class PITextureController:
def _initialize(self):
self._texture = Named_Texture()
self.reset()
def update(self, frame):
if frame.yuv_buffer is not None:
self._texture.update_from_yuv_buffer(frame.yuv_buffer, frame.width,
frame.height)
self.shape = frame.height, frame.width, 3
else:
self._texture.update_from_ndarray(frame.bgr)
self.shape = frame.bgr.shape
def draw(self):
try:
self._texture.draw()
except AttributeError:
self._initialize()
self._texture.draw()
def reset(self):
placeholder = np.ones((1080, 1088, 3), dtype=np.uint8) * 158
self._texture.update_from_ndarray(placeholder)
self.shape = placeholder.shape
def generate_heatmap(self, section):
if self.cache is None:
logger.warning('Surface cache is not build yet.')
return
x, y = self.real_world_size['x'], self.real_world_size['y']
x = max(1, int(x))
y = max(1, int(y))
filter_size = (int(self.heatmap_detail * x) / 2) * 2 + 1
std_dev = filter_size / 6.
self.heatmap = np.ones((y, x, 4), dtype=np.uint8)
all_gaze = []
for frame_idx, c_e in enumerate(self.cache[section]):
if c_e:
frame_idx += section.start
for gp in self.gaze_on_srf_by_frame_idx(
frame_idx, c_e['m_from_screen']):
if gp['confidence'] >= self.g_pool.min_data_confidence:
all_gaze.append(gp['norm_pos'])
if not all_gaze:
logger.warning("No gaze data on surface for heatmap found.")
all_gaze.append((-1., -1.))
all_gaze = np.array(all_gaze)
all_gaze *= [self.real_world_size['x'], self.real_world_size['y']]
hist, xedge, yedge = np.histogram2d(
all_gaze[:, 0],
all_gaze[:, 1],
bins=[x, y],
range=[[0, self.real_world_size['x']],
[0, self.real_world_size['y']]],
normed=False,
weights=None)
hist = np.rot90(hist)
#smoothing..
hist = cv2.GaussianBlur(hist, (filter_size, filter_size), std_dev)
maxval = np.amax(hist)
if maxval:
scale = 255. / maxval
else:
scale = 0
hist = np.uint8(hist * (scale))
#colormapping
c_map = cv2.applyColorMap(hist, cv2.COLORMAP_JET)
self.heatmap[:, :, :3] = c_map
self.heatmap[:, :, 3] = 125
self.heatmap_texture = Named_Texture()
self.heatmap_texture.update_from_ndarray(self.heatmap)
def __init__(self, g_pool, name="unnamed", saved_definition=None):
self.g_pool = g_pool
self.name = name
self.markers = {}
self.detected_markers = 0
self.defined = False
self.build_up_status = 0
self.required_build_up = 90.
self.detected = False
self.m_to_screen = None
self.m_from_screen = None
self.camera_pose_3d = None
self.use_distortion = True
self.uid = str(time())
self.real_world_size = {'x': 1., 'y': 1.}
self.heatmap = np.ones(0)
self.heatmap_detail = .2
self.heatmap_texture = Named_Texture()
self.gaze_history = deque()
self.gaze_history_length = 1.0 # unit: seconds
# window and gui vars
self._window = None
self.fullscreen = False
self.window_should_open = False
self.window_should_close = False
self.gaze_on_srf = [
] # points on surface for realtime feedback display
self.fixations_on_srf = [] # fixations on surface
self.glfont = fontstash.Context()
self.glfont.add_font('opensans', get_opensans_font_path())
self.glfont.set_size(22)
self.glfont.set_color_float((0.2, 0.5, 0.9, 1.0))
self.old_corners_robust = None
if saved_definition is not None:
self.load_from_dict(saved_definition)
# UI Platform tweaks
if system() == 'Linux':
self.window_position_default = (0, 0)
elif system() == 'Windows':
self.window_position_default = (8, 90)
else:
self.window_position_default = (0, 0)
def generate_heatmap(self,section):
if self.cache is None:
logger.warning('Surface cache is not build yet.')
return
x,y = self.real_world_size['x'],self.real_world_size['y']
x = max(1,int(x))
y = max(1,int(y))
filter_size = int(int(self.heatmap_detail * x)/2)*2 +1
std_dev = int(filter_size /6.)
self.heatmap = np.ones((y,x,4),dtype=np.uint8)
all_gaze = []
for frame_idx,c_e in enumerate(self.cache[section]):
if c_e:
frame_idx+=section.start
for gp in self.gaze_on_srf_by_frame_idx(frame_idx,c_e['m_from_screen']):
if gp['confidence']>=self.g_pool.min_data_confidence:
all_gaze.append(gp['norm_pos'])
if not all_gaze:
logger.warning("No gaze data on surface for heatmap found.")
all_gaze.append((-1.,-1.))
all_gaze = np.array(all_gaze)
all_gaze *= [self.real_world_size['x'],self.real_world_size['y']]
hist,xedge,yedge = np.histogram2d(all_gaze[:,0], all_gaze[:,1],
bins=[x,y],
range=[[0, self.real_world_size['x']], [0,self.real_world_size['y']]],
normed=False,
weights=None)
hist = np.rot90(hist)
#smoothing..
hist = cv2.GaussianBlur(hist,(filter_size,filter_size),std_dev)
maxval = np.amax(hist)
if maxval:
scale = 255./maxval
else:
scale = 0
hist = np.uint8( hist*(scale) )
#colormapping
c_map = cv2.applyColorMap(hist, cv2.COLORMAP_JET)
self.heatmap[:,:,:3] = c_map
self.heatmap[:,:,3] = 125
self.heatmap_texture = Named_Texture()
self.heatmap_texture.update_from_ndarray(self.heatmap)
class Reference_Surface(object):
"""docstring for Reference Surface
The surface coodinate system is 0-1.
Origin is the bottom left corner, (1,1) is the top right
The first scalar in the pos vector is width we call this 'u'.
The second is height we call this 'v'.
The surface is thus defined by 4 vertecies:
Our convention is this order: (0,0),(1,0),(1,1),(0,1)
The surface is supported by a set of n>=1 Markers:
Each marker has an id, you can not not have markers with the same id twice.
Each marker has 4 verts (order is the same as the surface verts)
Each maker vertex has a uv coord that places it on the surface
When we find the surface in locate() we use the correspondence
of uv and screen coords of all 4 verts of all detected markers to get the
surface to screen homography.
This allows us to get homographies for partially visible surfaces,
all we need are 2 visible markers. (We could get away with just
one marker but in pracise this is to noisy.)
The more markers we find the more accurate the homography.
"""
def __init__(self, g_pool, name="unnamed", saved_definition=None):
self.g_pool = g_pool
self.name = name
self.markers = {}
self.detected_markers = 0
self.defined = False
self.build_up_status = 0
self.required_build_up = 90.
self.detected = False
self.m_to_screen = None
self.m_from_screen = None
self.camera_pose_3d = None
self.use_distortion = True
self.uid = str(time())
self.real_world_size = {'x': 1., 'y': 1.}
self.heatmap = np.ones(0)
self.heatmap_detail = .2
self.heatmap_texture = Named_Texture()
self.gaze_history = deque()
self.gaze_history_length = 1.0 # unit: seconds
# window and gui vars
self._window = None
self.fullscreen = False
self.window_should_open = False
self.window_should_close = False
self.gaze_on_srf = [
] # points on surface for realtime feedback display
self.glfont = fontstash.Context()
self.glfont.add_font('opensans', get_opensans_font_path())
self.glfont.set_size(22)
self.glfont.set_color_float((0.2, 0.5, 0.9, 1.0))
self.old_corners_robust = None
if saved_definition is not None:
self.load_from_dict(saved_definition)
# UI Platform tweaks
if system() == 'Linux':
self.window_position_default = (0, 0)
elif system() == 'Windows':
self.window_position_default = (8, 31)
else:
self.window_position_default = (0, 0)
def save_to_dict(self):
"""
save all markers and name of this surface to a dict.
"""
markers = dict([(m_id, m.uv_coords.tolist())
for m_id, m in self.markers.items()])
return {
'name': self.name,
'uid': self.uid,
'markers': markers,
'real_world_size': self.real_world_size,
'gaze_history_length': self.gaze_history_length
}
def load_from_dict(self, d):
"""
load all markers of this surface to a dict.
"""
self.name = d['name']
self.uid = d['uid']
self.gaze_history_length = d.get('gaze_history_length',
self.gaze_history_length)
self.real_world_size = d.get('real_world_size', {'x': 1., 'y': 1.})
marker_dict = d['markers']
for m_id, uv_coords in marker_dict.items():
self.markers[m_id] = Support_Marker(m_id)
self.markers[m_id].load_uv_coords(np.asarray(uv_coords))
# flag this surface as fully defined
self.defined = True
self.build_up_status = self.required_build_up
def build_correspondence(self, visible_markers, min_marker_perimeter,
min_id_confidence):
"""
- use all visible markers
- fit a convex quadrangle around it
- use quadrangle verts to establish perpective transform
- map all markers into surface space
- build up list of found markers and their uv coords
"""
usable_markers = [
m for m in visible_markers
if m['perimeter'] >= min_marker_perimeter
]
all_verts = [m['verts'] for m in usable_markers]
if not all_verts:
return
all_verts = np.array(all_verts, dtype=np.float32)
all_verts.shape = (
-1, 1, 2) # [vert,vert,vert,vert,vert...] with vert = [[r,c]]
# all_verts_undistorted_normalized centered in img center flipped in y and range [-1,1]
all_verts_undistorted_normalized = self.g_pool.capture.intrinsics.undistortPoints(
all_verts, use_distortion=self.use_distortion)
hull = cv2.convexHull(all_verts_undistorted_normalized.astype(
np.float32),
clockwise=False)
#simplify until we have excatly 4 verts
if hull.shape[0] > 4:
new_hull = cv2.approxPolyDP(hull, epsilon=1, closed=True)
if new_hull.shape[0] >= 4:
hull = new_hull
if hull.shape[0] > 4:
curvature = abs(GetAnglesPolyline(hull, closed=True))
most_acute_4_threshold = sorted(curvature)[3]
hull = hull[curvature <= most_acute_4_threshold]
# all_verts_undistorted_normalized space is flipped in y.
# we need to change the order of the hull vertecies
hull = hull[[1, 0, 3, 2], :, :]
# now we need to roll the hull verts until we have the right orientation:
# all_verts_undistorted_normalized space has its origin at the image center.
# adding 1 to the coordinates puts the origin at the top left.
distance_to_top_left = np.sqrt((hull[:, :, 0] + 1)**2 +
(hull[:, :, 1] + 1)**2)
bot_left_idx = np.argmin(distance_to_top_left) + 1
hull = np.roll(hull, -bot_left_idx, axis=0)
#based on these 4 verts we calculate the transformations into a 0,0 1,1 square space
m_from_undistored_norm_space = m_verts_from_screen(hull)
self.detected = True
# map the markers vertices into the surface space (one can think of these as texture coordinates u,v)
marker_uv_coords = cv2.perspectiveTransform(
all_verts_undistorted_normalized, m_from_undistored_norm_space)
marker_uv_coords.shape = (
-1, 4, 1, 2) #[marker,marker...] marker = [ [[r,c]],[[r,c]] ]
# build up a dict of discovered markers. Each with a history of uv coordinates
for m, uv in zip(usable_markers, marker_uv_coords):
try:
self.markers[m['id']].add_uv_coords(uv)
except KeyError:
self.markers[m['id']] = Support_Marker(m['id'])
self.markers[m['id']].add_uv_coords(uv)
#average collection of uv correspondences across detected markers
self.build_up_status = sum(
[len(m.collected_uv_coords)
for m in self.markers.values()]) / float(len(self.markers))
if self.build_up_status >= self.required_build_up:
self.finalize_correspondence()
def finalize_correspondence(self):
"""
- prune markers that have been visible in less than x percent of frames.
- of those markers select a good subset of uv coords and compute mean.
- this mean value will be used from now on to estable surface transform
"""
persistent_markers = {}
for k, m in self.markers.items():
if len(m.collected_uv_coords) > self.required_build_up * .5:
persistent_markers[k] = m
self.markers = persistent_markers
for m in self.markers.values():
m.compute_robust_mean()
self.defined = True
if hasattr(self, 'on_finish_define'):
self.on_finish_define()
del self.on_finish_define
def update_gaze_history(self):
self.gaze_history.extend(self.gaze_on_srf)
try: # use newest gaze point to determine age threshold
age_threshold = self.gaze_history[-1][
'timestamp'] - self.gaze_history_length
while self.gaze_history[1]['timestamp'] < age_threshold:
self.gaze_history.popleft() # remove outdated gaze points
except IndexError:
pass
def generate_heatmap(self):
data = [
gp['norm_pos'] for gp in self.gaze_history
if gp['confidence'] > 0.6
]
self._generate_heatmap(data)
def _generate_heatmap(self, data):
if not data:
return
grid = int(self.real_world_size['y']), int(self.real_world_size['x'])
xvals, yvals = zip(*((x, 1. - y) for x, y in data))
hist, *edges = np.histogram2d(yvals,
xvals,
bins=grid,
range=[[0, 1.], [0, 1.]],
normed=False)
filter_h = int(self.heatmap_detail * grid[0]) // 2 * 2 + 1
filter_w = int(self.heatmap_detail * grid[1]) // 2 * 2 + 1
hist = cv2.GaussianBlur(hist, (filter_h, filter_w), 0)
hist_max = hist.max()
hist *= (255. / hist_max) if hist_max else 0.
hist = hist.astype(np.uint8)
c_map = cv2.applyColorMap(hist, cv2.COLORMAP_JET)
# reuse allocated memory if possible
if self.heatmap.shape != (*grid, 4):
self.heatmap = np.ones((*grid, 4), dtype=np.uint8)
self.heatmap[:, :, 3] = 125
self.heatmap[:, :, :3] = c_map
self.heatmap_texture.update_from_ndarray(self.heatmap)
def gl_display_heatmap(self):
if self.detected:
m = cvmat_to_glmat(self.m_to_screen)
glMatrixMode(GL_PROJECTION)
glPushMatrix()
glLoadIdentity()
glOrtho(0, 1, 0, 1, -1, 1) # gl coord convention
glMatrixMode(GL_MODELVIEW)
glPushMatrix()
# apply m to our quad - this will stretch the quad such that the ref suface will span the window extends
glLoadMatrixf(m)
self.heatmap_texture.draw()
glMatrixMode(GL_PROJECTION)
glPopMatrix()
glMatrixMode(GL_MODELVIEW)
glPopMatrix()
def locate(
self,
visible_markers,
min_marker_perimeter,
min_id_confidence,
locate_3d=False,
):
"""
- find overlapping set of surface markers and visible_markers
- compute homography (and inverse) based on this subset
"""
if not self.defined:
self.build_correspondence(visible_markers, min_marker_perimeter,
min_id_confidence)
res = self._get_location(visible_markers, min_marker_perimeter,
min_id_confidence, locate_3d)
self.detected = res['detected']
self.detected_markers = res['detected_markers']
self.m_to_screen = res['m_to_screen']
self.m_from_screen = res['m_from_screen']
self.camera_pose_3d = res['camera_pose_3d']
def _get_location(self,
visible_markers,
min_marker_perimeter,
min_id_confidence,
locate_3d=False):
filtered_markers = [
m for m in visible_markers
if m['perimeter'] >= min_marker_perimeter
and m['id_confidence'] > min_id_confidence
]
marker_by_id = {}
#if an id shows twice we use the bigger marker (usually this is a screen camera echo artifact.)
for m in filtered_markers:
if m["id"] in marker_by_id and m["perimeter"] < marker_by_id[
m['id']]['perimeter']:
pass
else:
marker_by_id[m["id"]] = m
visible_ids = set(marker_by_id.keys())
requested_ids = set(self.markers.keys())
overlap = visible_ids & requested_ids
# need at least two markers per surface when the surface is more that 1 marker.
if overlap and len(overlap) >= min(2, len(requested_ids)):
detected = True
xy = np.array([marker_by_id[i]['verts'] for i in overlap])
uv = np.array([self.markers[i].uv_coords for i in overlap])
uv.shape = (-1, 1, 2)
# our camera lens creates distortions we want to get a good 2d estimate despite that so we:
# compute the homography transform from marker into the undistored normalized image space
# (the line below is the same as what you find in methods.undistort_unproject_pts, except that we ommit the z corrd as it is always one.)
xy_undistorted_normalized = self.g_pool.capture.intrinsics.undistortPoints(
xy.reshape(-1, 2), use_distortion=self.use_distortion)
m_to_undistored_norm_space, mask = cv2.findHomography(
uv,
xy_undistorted_normalized,
method=cv2.RANSAC,
ransacReprojThreshold=100)
if not mask.all():
detected = False
m_from_undistored_norm_space, mask = cv2.findHomography(
xy_undistorted_normalized, uv)
# project the corners of the surface to undistored space
corners_undistored_space = cv2.perspectiveTransform(
marker_corners_norm.reshape(-1, 1, 2),
m_to_undistored_norm_space)
# project and distort these points and normalize them
corners_redistorted = self.g_pool.capture.intrinsics.projectPoints(
cv2.convertPointsToHomogeneous(corners_undistored_space),
use_distortion=self.use_distortion)
corners_nulldistorted = self.g_pool.capture.intrinsics.projectPoints(
cv2.convertPointsToHomogeneous(corners_undistored_space),
use_distortion=self.use_distortion)
#normalize to pupil norm space
corners_redistorted.shape = -1, 2
corners_redistorted /= self.g_pool.capture.intrinsics.resolution
corners_redistorted[:, -1] = 1 - corners_redistorted[:, -1]
#normalize to pupil norm space
corners_nulldistorted.shape = -1, 2
corners_nulldistorted /= self.g_pool.capture.intrinsics.resolution
corners_nulldistorted[:, -1] = 1 - corners_nulldistorted[:, -1]
# maps for extreme lens distortions will behave irratically beyond the image bounds
# since our surfaces often extend beyond the screen we need to interpolate
# between a distored projection and undistored one.
# def ratio(val):
# centered_val = abs(.5 - val)
# # signed distance to img cennter .5 is imag bound
# # we look to interpolate between .7 and .9
# inter = max()
corners_robust = []
for nulldist, redist in zip(corners_nulldistorted,
corners_redistorted):
if -.4 < nulldist[0] < 1.4 and -.4 < nulldist[1] < 1.4:
corners_robust.append(redist)
else:
corners_robust.append(nulldist)
corners_robust = np.array(corners_robust)
if self.old_corners_robust is not None and np.mean(
np.abs(corners_robust - self.old_corners_robust)) < 0.02:
smooth_corners_robust = self.old_corners_robust
smooth_corners_robust += .5 * (corners_robust -
self.old_corners_robust)
corners_robust = smooth_corners_robust
self.old_corners_robust = smooth_corners_robust
else:
self.old_corners_robust = corners_robust
#compute a perspective thransform from from the marker norm space to the apparent image.
# The surface corners will be at the right points
# However the space between the corners may be distored due to distortions of the lens,
m_to_screen = m_verts_to_screen(corners_robust)
m_from_screen = m_verts_from_screen(corners_robust)
camera_pose_3d = None
if locate_3d:
# 3d marker support pose estimation:
# scale normalized object points to world space units (think m,cm,mm)
uv.shape = -1, 2
uv *= [self.real_world_size['x'], self.real_world_size['y']]
# convert object points to lie on z==0 plane in 3d space
uv3d = np.zeros((uv.shape[0], uv.shape[1] + 1))
uv3d[:, :-1] = uv
xy.shape = -1, 1, 2
# compute pose of object relative to camera center
is3dPoseAvailable, rot3d_cam_to_object, translate3d_cam_to_object = self.g_pool.capture.intrinsics.solvePnP(
uv3d, xy)
print("{} \t {} \t {}".format(translate3d_cam_to_object[0],
translate3d_cam_to_object[1],
translate3d_cam_to_object[2]))
if is3dPoseAvailable:
# not verifed, potentially usefull info: http://stackoverflow.com/questions/17423302/opencv-solvepnp-tvec-units-and-axes-directions
###marker posed estimation from virtually projected points.
# object_pts = np.array([[[0,0],[0,1],[1,1],[1,0]]],dtype=np.float32)
# projected_pts = cv2.perspectiveTransform(object_pts,self.m_to_screen)
# projected_pts.shape = -1,2
# projected_pts *= img_size
# projected_pts.shape = -1, 1, 2
# # scale object points to world space units (think m,cm,mm)
# object_pts.shape = -1,2
# object_pts *= self.real_world_size
# # convert object points to lie on z==0 plane in 3d space
# object_pts_3d = np.zeros((4,3))
# object_pts_3d[:,:-1] = object_pts
# self.is3dPoseAvailable, rot3d_cam_to_object, translate3d_cam_to_object = cv2.solvePnP(object_pts_3d, projected_pts, K, dist_coef,flags=cv2.CV_EPNP)
# transformation from Camera Optical Center:
# first: translate from Camera center to object origin.
# second: rotate x,y,z
# coordinate system is x,y,z where z goes out from the camera into the viewed volume.
# print rot3d_cam_to_object[0],rot3d_cam_to_object[1],rot3d_cam_to_object[2], translate3d_cam_to_object[0],translate3d_cam_to_object[1],translate3d_cam_to_object[2]
#turn translation vectors into 3x3 rot mat.
rot3d_cam_to_object_mat, _ = cv2.Rodrigues(
rot3d_cam_to_object)
#to get the transformation from object to camera we need to reverse rotation and translation
translate3d_object_to_cam = -translate3d_cam_to_object
# rotation matrix inverse == transpose
rot3d_object_to_cam_mat = rot3d_cam_to_object_mat.T
# we assume that the volume of the object grows out of the marker surface and not into it. We thus have to flip the z-Axis:
flip_z_axix_hm = np.eye(4, dtype=np.float32)
flip_z_axix_hm[2, 2] = -1
# create a homogenous tranformation matrix from the rotation mat
rot3d_object_to_cam_hm = np.eye(4, dtype=np.float32)
rot3d_object_to_cam_hm[:-1, :-1] = rot3d_object_to_cam_mat
# create a homogenous tranformation matrix from the translation vect
translate3d_object_to_cam_hm = np.eye(4, dtype=np.float32)
translate3d_object_to_cam_hm[:-1,
-1] = translate3d_object_to_cam.reshape(
3)
# combine all tranformations into transformation matrix that decribes the move from object origin and orientation to camera origin and orientation
tranform3d_object_to_cam = np.matrix(
flip_z_axix_hm) * np.matrix(
rot3d_object_to_cam_hm) * np.matrix(
translate3d_object_to_cam_hm)
camera_pose_3d = tranform3d_object_to_cam
if detected == False:
camera_pose_3d = None
m_from_screen = None
m_to_screen = None
m_from_undistored_norm_space = None
m_to_undistored_norm_space = None
else:
detected = False
camera_pose_3d = None
m_from_screen = None
m_to_screen = None
m_from_undistored_norm_space = None
m_to_undistored_norm_space = None
return {
'detected': detected,
'detected_markers': len(overlap),
'm_from_undistored_norm_space': m_from_undistored_norm_space,
'm_to_undistored_norm_space': m_to_undistored_norm_space,
'm_from_screen': m_from_screen,
'm_to_screen': m_to_screen,
'camera_pose_3d': camera_pose_3d
}
def img_to_ref_surface(self, pos):
#convenience lines to allow 'simple' vectors (x,y) to be used
shape = pos.shape
pos.shape = (-1, 1, 2)
new_pos = cv2.perspectiveTransform(pos, self.m_from_screen)
new_pos.shape = shape
return new_pos
def ref_surface_to_img(self, pos):
#convenience lines to allow 'simple' vectors (x,y) to be used
shape = pos.shape
pos.shape = (-1, 1, 2)
new_pos = cv2.perspectiveTransform(pos, self.m_to_screen)
new_pos.shape = shape
return new_pos
@staticmethod
def map_datum_to_surface(d, m_from_screen):
pos = np.array([d['norm_pos']]).reshape(1, 1, 2)
mapped_pos = cv2.perspectiveTransform(pos, m_from_screen)
mapped_pos.shape = (2)
on_srf = bool((0 <= mapped_pos[0] <= 1) and (0 <= mapped_pos[1] <= 1))
return {
'topic': d['topic'] + "_on_surface",
'norm_pos': (mapped_pos[0], mapped_pos[1]),
'confidence': d['confidence'],
'on_srf': on_srf,
'base_data': d,
'timestamp': d['timestamp']
}
def map_data_to_surface(self, data, m_from_screen):
return [self.map_datum_to_surface(d, m_from_screen) for d in data]
def move_vertex(self, vert_idx, new_pos):
"""
this fn is used to manipulate the surface boundary (coordinate system)
new_pos is in uv-space coords
if we move one vertex of the surface we need to find
the tranformation from old quadrangle to new quardangle
and apply that transformation to our marker uv-coords
"""
before = marker_corners_norm
after = before.copy()
after[vert_idx] = new_pos
transform = cv2.getPerspectiveTransform(after, before)
for m in self.markers.values():
m.uv_coords = cv2.perspectiveTransform(m.uv_coords, transform)
def add_marker(self, marker, visible_markers, min_marker_perimeter,
min_id_confidence):
'''
add marker to surface.
'''
res = self._get_location(visible_markers,
min_marker_perimeter,
min_id_confidence,
locate_3d=False)
if res['detected']:
support_marker = Support_Marker(marker['id'])
marker_verts = np.array(marker['verts'])
marker_verts.shape = (-1, 1, 2)
if self.use_distortion:
marker_verts_undistorted_normalized = self.g_pool.capture.intrinsics.undistortPoints(
marker_verts)
else:
marker_verts_undistorted_normalized = self.g_pool.capture.intrinsics.undistortPoints(
marker_verts)
marker_uv_coords = cv2.perspectiveTransform(
marker_verts_undistorted_normalized,
res['m_from_undistored_norm_space'])
support_marker.load_uv_coords(marker_uv_coords)
self.markers[marker['id']] = support_marker
def remove_marker(self, marker):
if len(self.markers) == 1:
logger.warning(
"Need at least one marker per surface. Will not remove this last marker."
)
return
self.markers.pop(marker['id'])
def marker_status(self):
return "{} {}/{}".format(self.name, self.detected_markers,
len(self.markers))
def get_mode_toggle(self, pos, img_shape):
if self.detected and self.defined:
x, y = pos
frame = np.array([[[0, 0], [1, 0], [1, 1], [0, 1], [0, 0]]],
dtype=np.float32)
frame = cv2.perspectiveTransform(frame, self.m_to_screen)
text_anchor = frame.reshape((5, -1))[2]
text_anchor[1] = 1 - text_anchor[1]
text_anchor *= img_shape[1], img_shape[0]
text_anchor = text_anchor[0], text_anchor[1] - 75
surface_edit_anchor = text_anchor[0], text_anchor[1] + 25
marker_edit_anchor = text_anchor[0], text_anchor[1] + 50
if np.sqrt((x - surface_edit_anchor[0])**2 +
(y - surface_edit_anchor[1])**2) < 15:
return 'surface_mode'
elif np.sqrt((x - marker_edit_anchor[0])**2 +
(y - marker_edit_anchor[1])**2) < 15:
return 'marker_mode'
else:
return None
else:
return None
def gl_draw_frame(self,
img_size,
color=(1.0, 0.2, 0.6, 1.0),
highlight=False,
surface_mode=False,
marker_mode=False):
"""
draw surface and markers
"""
if self.detected:
r, g, b, a = color
frame = np.array([[[0, 0], [1, 0], [1, 1], [0, 1], [0, 0]]],
dtype=np.float32)
hat = np.array([[[.3, .7], [.7, .7], [.5, .9], [.3, .7]]],
dtype=np.float32)
hat = cv2.perspectiveTransform(hat, self.m_to_screen)
frame = cv2.perspectiveTransform(frame, self.m_to_screen)
alpha = min(1, self.build_up_status / self.required_build_up)
if highlight:
draw_polyline_norm(frame.reshape((5, 2)),
1,
RGBA(r, g, b, a * .1),
line_type=GL_POLYGON)
draw_polyline_norm(frame.reshape((5, 2)), 1,
RGBA(r, g, b, a * alpha))
draw_polyline_norm(hat.reshape((4, 2)), 1,
RGBA(r, g, b, a * alpha))
text_anchor = frame.reshape((5, -1))[2]
text_anchor[1] = 1 - text_anchor[1]
text_anchor *= img_size[1], img_size[0]
text_anchor = text_anchor[0], text_anchor[1] - 75
surface_edit_anchor = text_anchor[0], text_anchor[1] + 25
marker_edit_anchor = text_anchor[0], text_anchor[1] + 50
if self.defined:
if marker_mode:
draw_points([marker_edit_anchor], color=RGBA(0, .8, .7))
else:
draw_points([marker_edit_anchor])
if surface_mode:
draw_points([surface_edit_anchor], color=RGBA(0, .8, .7))
else:
draw_points([surface_edit_anchor])
self.glfont.set_blur(3.9)
self.glfont.set_color_float((0, 0, 0, .8))
self.glfont.draw_text(text_anchor[0] + 15, text_anchor[1] + 6,
self.marker_status())
self.glfont.draw_text(surface_edit_anchor[0] + 15,
surface_edit_anchor[1] + 6,
'edit surface')
self.glfont.draw_text(marker_edit_anchor[0] + 15,
marker_edit_anchor[1] + 6,
'add/remove markers')
self.glfont.set_blur(0.0)
self.glfont.set_color_float((0.1, 8., 8., .9))
self.glfont.draw_text(text_anchor[0] + 15, text_anchor[1] + 6,
self.marker_status())
self.glfont.draw_text(surface_edit_anchor[0] + 15,
surface_edit_anchor[1] + 6,
'edit surface')
self.glfont.draw_text(marker_edit_anchor[0] + 15,
marker_edit_anchor[1] + 6,
'add/remove markers')
else:
progress = (self.build_up_status /
float(self.required_build_up)) * 100
progress_text = '%.0f%%' % progress
self.glfont.set_blur(3.9)
self.glfont.set_color_float((0, 0, 0, .8))
self.glfont.draw_text(text_anchor[0] + 15, text_anchor[1] + 6,
self.marker_status())
self.glfont.draw_text(surface_edit_anchor[0] + 15,
surface_edit_anchor[1] + 6,
'Learning affiliated markers...')
self.glfont.draw_text(marker_edit_anchor[0] + 15,
marker_edit_anchor[1] + 6, progress_text)
self.glfont.set_blur(0.0)
self.glfont.set_color_float((0.1, 8., 8., .9))
self.glfont.draw_text(text_anchor[0] + 15, text_anchor[1] + 6,
self.marker_status())
self.glfont.draw_text(surface_edit_anchor[0] + 15,
surface_edit_anchor[1] + 6,
'Learning affiliated markers...')
self.glfont.draw_text(marker_edit_anchor[0] + 15,
marker_edit_anchor[1] + 6, progress_text)
def gl_draw_corners(self):
"""
draw surface and markers
"""
if self.detected:
frame = cv2.perspectiveTransform(
marker_corners_norm.reshape(-1, 1, 2), self.m_to_screen)
draw_points_norm(frame.reshape((4, 2)), 20,
RGBA(1.0, 0.2, 0.6, .5))
#### fns to draw surface in seperate window
def gl_display_in_window(self, world_tex):
"""
here we map a selected surface onto a seperate window.
"""
if self._window and self.detected:
active_window = glfwGetCurrentContext()
glfwMakeContextCurrent(self._window)
clear_gl_screen()
# cv uses 3x3 gl uses 4x4 tranformation matricies
m = cvmat_to_glmat(self.m_from_screen)
glMatrixMode(GL_PROJECTION)
glPushMatrix()
glLoadIdentity()
glOrtho(0, 1, 0, 1, -1, 1) # gl coord convention
glMatrixMode(GL_MODELVIEW)
glPushMatrix()
#apply m to our quad - this will stretch the quad such that the ref suface will span the window extends
glLoadMatrixf(m)
world_tex.draw()
glMatrixMode(GL_PROJECTION)
glPopMatrix()
glMatrixMode(GL_MODELVIEW)
glPopMatrix()
# now lets get recent pupil positions on this surface:
for gp in self.gaze_on_srf:
draw_points_norm([gp['norm_pos']],
color=RGBA(0.0, 0.8, 0.5, 0.8),
size=80)
glfwSwapBuffers(self._window)
glfwMakeContextCurrent(active_window)
#### fns to draw surface in separate window
def gl_display_in_window_3d(self, world_tex):
"""
here we map a selected surface onto a seperate window.
"""
K, img_size = self.g_pool.capture.intrinsics.K, self.g_pool.capture.intrinsics.resolution
if self._window and self.camera_pose_3d is not None:
active_window = glfwGetCurrentContext()
glfwMakeContextCurrent(self._window)
glClearColor(.8, .8, .8, 1.)
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
glClearDepth(1.0)
glDepthFunc(GL_LESS)
glEnable(GL_DEPTH_TEST)
self.trackball.push()
glMatrixMode(GL_MODELVIEW)
draw_coordinate_system(l=self.real_world_size['x'])
glPushMatrix()
glScalef(self.real_world_size['x'], self.real_world_size['y'], 1)
draw_polyline([[0, 0], [0, 1], [1, 1], [1, 0]],
color=RGBA(.5, .3, .1, .5),
thickness=3)
glPopMatrix()
# Draw the world window as projected onto the plane using the homography mapping
glPushMatrix()
glScalef(self.real_world_size['x'], self.real_world_size['y'], 1)
# cv uses 3x3 gl uses 4x4 tranformation matricies
m = cvmat_to_glmat(self.m_from_screen)
glMultMatrixf(m)
glTranslatef(0, 0, -.01)
world_tex.draw()
draw_polyline([[0, 0], [0, 1], [1, 1], [1, 0]],
color=RGBA(.5, .3, .6, .5),
thickness=3)
glPopMatrix()
# Draw the camera frustum and origin using the 3d tranformation obtained from solvepnp
glPushMatrix()
glMultMatrixf(self.camera_pose_3d.T.flatten())
draw_frustum(img_size, K, 150)
glLineWidth(1)
draw_frustum(img_size, K, .1)
draw_coordinate_system(l=5)
glPopMatrix()
self.trackball.pop()
glfwSwapBuffers(self._window)
glfwMakeContextCurrent(active_window)
def open_window(self):
if not self._window:
if self.fullscreen:
monitor = glfwGetMonitors()[self.monitor_idx]
mode = glfwGetVideoMode(monitor)
height, width = mode[0], mode[1]
else:
monitor = None
height, width = 640, int(
640. /
(self.real_world_size['x'] / self.real_world_size['y'])
) #open with same aspect ratio as surface
self._window = glfwCreateWindow(height,
width,
"Reference Surface: " + self.name,
monitor=monitor,
share=glfwGetCurrentContext())
if not self.fullscreen:
glfwSetWindowPos(self._window, self.window_position_default[0],
self.window_position_default[1])
self.trackball = Trackball()
self.input = {'down': False, 'mouse': (0, 0)}
#Register callbacks
glfwSetFramebufferSizeCallback(self._window, self.on_resize)
glfwSetKeyCallback(self._window, self.on_window_key)
glfwSetWindowCloseCallback(self._window, self.on_close)
glfwSetMouseButtonCallback(self._window,
self.on_window_mouse_button)
glfwSetCursorPosCallback(self._window, self.on_pos)
glfwSetScrollCallback(self._window, self.on_scroll)
self.on_resize(self._window, *glfwGetFramebufferSize(self._window))
# gl_state settings
active_window = glfwGetCurrentContext()
glfwMakeContextCurrent(self._window)
basic_gl_setup()
make_coord_system_norm_based()
# refresh speed settings
glfwSwapInterval(0)
glfwMakeContextCurrent(active_window)
def close_window(self):
if self._window:
glfwDestroyWindow(self._window)
self._window = None
self.window_should_close = False
def open_close_window(self):
if self._window:
self.close_window()
else:
self.open_window()
# window calbacks
def on_resize(self, window, w, h):
self.trackball.set_window_size(w, h)
active_window = glfwGetCurrentContext()
glfwMakeContextCurrent(window)
adjust_gl_view(w, h)
glfwMakeContextCurrent(active_window)
def on_window_key(self, window, key, scancode, action, mods):
if action == GLFW_PRESS:
if key == GLFW_KEY_ESCAPE:
self.on_close()
def on_close(self, window=None):
self.close_window()
def on_window_mouse_button(self, window, button, action, mods):
if action == GLFW_PRESS:
self.input['down'] = True
self.input['mouse'] = glfwGetCursorPos(window)
if action == GLFW_RELEASE:
self.input['down'] = False
def on_pos(self, window, x, y):
if self.input['down']:
old_x, old_y = self.input['mouse']
self.trackball.drag_to(x - old_x, y - old_y)
self.input['mouse'] = x, y
def on_scroll(self, window, x, y):
self.trackball.zoom_to(y)
def cleanup(self):
if self._window:
self.close_window()
def world(pupil_queue, timebase, lauchner_pipe, eye_pipes, eyes_are_alive,
user_dir, version, cap_src):
"""world
Creates a window, gl context.
Grabs images from a capture.
Receives Pupil coordinates from eye process[es]
Can run various plug-ins.
"""
import logging
# Set up root logger for this process before doing imports of logged modules.
logger = logging.getLogger()
logger.setLevel(logging.INFO)
# create file handler which logs even debug messages
fh = logging.FileHandler(os.path.join(user_dir, 'world.log'), mode='w')
fh.setLevel(logger.level)
# create console handler with a higher log level
ch = logging.StreamHandler()
ch.setLevel(logger.level + 10)
# create formatter and add it to the handlers
formatter = logging.Formatter(
'World Process: %(asctime)s - %(name)s - %(levelname)s - %(message)s')
fh.setFormatter(formatter)
formatter = logging.Formatter(
'WORLD Process [%(levelname)s] %(name)s : %(message)s')
ch.setFormatter(formatter)
# add the handlers to the logger
logger.addHandler(fh)
logger.addHandler(ch)
#silence noisy modules
logging.getLogger("OpenGL").setLevel(logging.ERROR)
logging.getLogger("libav").setLevel(logging.ERROR)
# create logger for the context of this function
logger = logging.getLogger(__name__)
# We deferr the imports becasue of multiprocessing.
# Otherwise the world process each process also loads the other imports.
# This is not harmfull but unnessasary.
#general imports
from time import time
import numpy as np
#display
import glfw
from pyglui import ui, graph, cygl
from pyglui.cygl.utils import Named_Texture
from gl_utils import basic_gl_setup, adjust_gl_view, clear_gl_screen, make_coord_system_pixel_based, make_coord_system_norm_based
#check versions for our own depedencies as they are fast-changing
from pyglui import __version__ as pyglui_version
assert pyglui_version >= '0.8'
#monitoring
import psutil
# helpers/utils
from file_methods import Persistent_Dict
from methods import normalize, denormalize, delta_t
from video_capture import autoCreateCapture, FileCaptureError, EndofVideoFileError, CameraCaptureError
from version_utils import VersionFormat
import audio
# Plug-ins
from plugin import Plugin_List, import_runtime_plugins
from calibration_routines import calibration_plugins, gaze_mapping_plugins
from recorder import Recorder
from show_calibration import Show_Calibration
from display_recent_gaze import Display_Recent_Gaze
from pupil_server import Pupil_Server
from pupil_sync import Pupil_Sync
from marker_detector import Marker_Detector
from log_display import Log_Display
from annotations import Annotation_Capture
# create logger for the context of this function
#UI Platform tweaks
if platform.system() == 'Linux':
scroll_factor = 10.0
window_position_default = (0, 0)
elif platform.system() == 'Windows':
scroll_factor = 1.0
window_position_default = (8, 31)
else:
scroll_factor = 1.0
window_position_default = (0, 0)
#g_pool holds variables for this process
g_pool = Global_Container()
# make some constants avaiable
g_pool.user_dir = user_dir
g_pool.version = version
g_pool.app = 'capture'
g_pool.pupil_queue = pupil_queue
g_pool.timebase = timebase
# g_pool.lauchner_pipe = lauchner_pipe
g_pool.eye_pipes = eye_pipes
g_pool.eyes_are_alive = eyes_are_alive
#manage plugins
runtime_plugins = import_runtime_plugins(
os.path.join(g_pool.user_dir, 'plugins'))
user_launchable_plugins = [
Show_Calibration, Pupil_Server, Pupil_Sync, Marker_Detector,
Annotation_Capture
] + runtime_plugins
system_plugins = [Log_Display, Display_Recent_Gaze, Recorder]
plugin_by_index = system_plugins + user_launchable_plugins + calibration_plugins + gaze_mapping_plugins
name_by_index = [p.__name__ for p in plugin_by_index]
plugin_by_name = dict(zip(name_by_index, plugin_by_index))
default_plugins = [('Log_Display', {}), ('Dummy_Gaze_Mapper', {}),
('Display_Recent_Gaze', {}),
('Screen_Marker_Calibration', {}), ('Recorder', {})]
# Callback functions
def on_resize(window, w, h):
if not g_pool.iconified:
g_pool.gui.update_window(w, h)
g_pool.gui.collect_menus()
graph.adjust_size(w, h)
adjust_gl_view(w, h)
for p in g_pool.plugins:
p.on_window_resize(window, w, h)
def on_iconify(window, iconified):
g_pool.iconified = iconified
def on_key(window, key, scancode, action, mods):
g_pool.gui.update_key(key, scancode, action, mods)
def on_char(window, char):
g_pool.gui.update_char(char)
def on_button(window, button, action, mods):
g_pool.gui.update_button(button, action, mods)
pos = glfw.glfwGetCursorPos(window)
pos = normalize(pos, glfw.glfwGetWindowSize(main_window))
pos = denormalize(
pos,
(frame.img.shape[1], frame.img.shape[0])) # Position in img pixels
for p in g_pool.plugins:
p.on_click(pos, button, action)
def on_pos(window, x, y):
hdpi_factor = float(
glfw.glfwGetFramebufferSize(window)[0] /
glfw.glfwGetWindowSize(window)[0])
x, y = x * hdpi_factor, y * hdpi_factor
g_pool.gui.update_mouse(x, y)
def on_scroll(window, x, y):
g_pool.gui.update_scroll(x, y * scroll_factor)
tick = delta_t()
def get_dt():
return next(tick)
# load session persistent settings
session_settings = Persistent_Dict(
os.path.join(g_pool.user_dir, 'user_settings_world'))
if session_settings.get("version", VersionFormat('0.0')) < g_pool.version:
logger.info(
"Session setting are from older version of this app. I will not use those."
)
session_settings.clear()
# Initialize capture
cap = autoCreateCapture(cap_src, timebase=g_pool.timebase)
default_settings = {'frame_size': (1280, 720), 'frame_rate': 30}
previous_settings = session_settings.get('capture_settings', None)
if previous_settings and previous_settings['name'] == cap.name:
cap.settings = previous_settings
else:
cap.settings = default_settings
# Test capture
try:
frame = cap.get_frame()
except CameraCaptureError:
logger.error("Could not retrieve image from capture")
cap.close()
lauchner_pipe.send("Exit")
return
g_pool.iconified = False
g_pool.capture = cap
g_pool.pupil_confidence_threshold = session_settings.get(
'pupil_confidence_threshold', .6)
g_pool.detection_mapping_mode = session_settings.get(
'detection_mapping_mode', '2d')
g_pool.active_calibration_plugin = None
audio.audio_mode = session_settings.get('audio_mode',
audio.default_audio_mode)
def open_plugin(plugin):
if plugin == "Select to load":
return
g_pool.plugins.add(plugin)
def set_scale(new_scale):
g_pool.gui.scale = new_scale
g_pool.gui.collect_menus()
def launch_eye_process(eye_id, blocking=False):
if eyes_are_alive[eye_id].value:
logger.error("Eye%s process already running." % eye_id)
return
lauchner_pipe.send(eye_id)
eye_pipes[eye_id].send(
('Set_Detection_Mapping_Mode', g_pool.detection_mapping_mode))
if blocking:
#wait for ready message from eye to sequentialize startup
eye_pipes[eye_id].send('Ping')
eye_pipes[eye_id].recv()
logger.warning('Eye %s process started.' % eye_id)
def stop_eye_process(eye_id, blocking=False):
if eyes_are_alive[eye_id].value:
eye_pipes[eye_id].send('Exit')
if blocking:
raise NotImplementedError()
def start_stop_eye(eye_id, make_alive):
if make_alive:
launch_eye_process(eye_id)
else:
stop_eye_process(eye_id)
def set_detection_mapping_mode(new_mode):
if new_mode == '2d':
for p in g_pool.plugins:
if "Vector_Gaze_Mapper" in p.class_name:
logger.warning(
"The gaze mapper is not supported in 2d mode. Please recalibrate."
)
p.alive = False
g_pool.plugins.clean()
for alive, pipe in zip(g_pool.eyes_are_alive, g_pool.eye_pipes):
if alive.value:
pipe.send(('Set_Detection_Mapping_Mode', new_mode))
g_pool.detection_mapping_mode = new_mode
#window and gl setup
glfw.glfwInit()
width, height = session_settings.get('window_size',
(frame.width, frame.height))
main_window = glfw.glfwCreateWindow(width, height, "World")
window_pos = session_settings.get('window_position',
window_position_default)
glfw.glfwSetWindowPos(main_window, window_pos[0], window_pos[1])
glfw.glfwMakeContextCurrent(main_window)
cygl.utils.init()
g_pool.main_window = main_window
#setup GUI
g_pool.gui = ui.UI()
g_pool.gui.scale = session_settings.get('gui_scale', 1)
g_pool.sidebar = ui.Scrolling_Menu("Settings",
pos=(-350, 0),
size=(0, 0),
header_pos='left')
general_settings = ui.Growing_Menu('General')
general_settings.append(
ui.Slider('scale',
g_pool.gui,
setter=set_scale,
step=.05,
min=1.,
max=2.5,
label='Interface size'))
general_settings.append(
ui.Button(
'Reset window size', lambda: glfw.glfwSetWindowSize(
main_window, frame.width, frame.height)))
general_settings.append(
ui.Selector('audio_mode', audio, selection=audio.audio_modes))
general_settings.append(
ui.Selector('detection_mapping_mode',
g_pool,
label='detection & mapping mode',
setter=set_detection_mapping_mode,
selection=['2d', '3d']))
general_settings.append(
ui.Switch('eye0_process',
label='Detect eye 0',
setter=lambda alive: start_stop_eye(0, alive),
getter=lambda: eyes_are_alive[0].value))
general_settings.append(
ui.Switch('eye1_process',
label='Detect eye 1',
setter=lambda alive: start_stop_eye(1, alive),
getter=lambda: eyes_are_alive[1].value))
general_settings.append(
ui.Selector('Open plugin',
selection=user_launchable_plugins,
labels=[
p.__name__.replace('_', ' ')
for p in user_launchable_plugins
],
setter=open_plugin,
getter=lambda: "Select to load"))
general_settings.append(
ui.Slider('pupil_confidence_threshold',
g_pool,
step=.01,
min=0.,
max=1.,
label='Minimum pupil confidence'))
general_settings.append(
ui.Info_Text('Capture Version: %s' % g_pool.version))
g_pool.sidebar.append(general_settings)
g_pool.calibration_menu = ui.Growing_Menu('Calibration')
g_pool.sidebar.append(g_pool.calibration_menu)
g_pool.gui.append(g_pool.sidebar)
g_pool.quickbar = ui.Stretching_Menu('Quick Bar', (0, 100), (120, -100))
g_pool.gui.append(g_pool.quickbar)
g_pool.capture.init_gui(g_pool.sidebar)
#plugins that are loaded based on user settings from previous session
g_pool.notifications = []
g_pool.delayed_notifications = {}
g_pool.plugins = Plugin_List(
g_pool, plugin_by_name,
session_settings.get('loaded_plugins', default_plugins))
#We add the calibration menu selector, after a calibration has been added:
g_pool.calibration_menu.insert(
0,
ui.Selector(
'active_calibration_plugin',
getter=lambda: g_pool.active_calibration_plugin.__class__,
selection=calibration_plugins,
labels=[p.__name__.replace('_', ' ') for p in calibration_plugins],
setter=open_plugin,
label='Method'))
# Register callbacks main_window
glfw.glfwSetFramebufferSizeCallback(main_window, on_resize)
glfw.glfwSetWindowIconifyCallback(main_window, on_iconify)
glfw.glfwSetKeyCallback(main_window, on_key)
glfw.glfwSetCharCallback(main_window, on_char)
glfw.glfwSetMouseButtonCallback(main_window, on_button)
glfw.glfwSetCursorPosCallback(main_window, on_pos)
glfw.glfwSetScrollCallback(main_window, on_scroll)
# gl_state settings
basic_gl_setup()
g_pool.image_tex = Named_Texture()
g_pool.image_tex.update_from_frame(frame)
# refresh speed settings
glfw.glfwSwapInterval(0)
#trigger setup of window and gl sizes
on_resize(main_window, *glfw.glfwGetFramebufferSize(main_window))
#now the we have aproper window we can load the last gui configuration
g_pool.gui.configuration = session_settings.get('ui_config', {})
#set up performace graphs:
pid = os.getpid()
ps = psutil.Process(pid)
ts = frame.timestamp
cpu_graph = graph.Bar_Graph()
cpu_graph.pos = (20, 130)
cpu_graph.update_fn = ps.cpu_percent
cpu_graph.update_rate = 5
cpu_graph.label = 'CPU %0.1f'
fps_graph = graph.Bar_Graph()
fps_graph.pos = (140, 130)
fps_graph.update_rate = 5
fps_graph.label = "%0.0f FPS"
pupil_graph = graph.Bar_Graph(max_val=1.0)
pupil_graph.pos = (260, 130)
pupil_graph.update_rate = 5
pupil_graph.label = "Confidence: %0.2f"
if session_settings.get('eye1_process_alive', False):
launch_eye_process(1, blocking=True)
if session_settings.get('eye0_process_alive', True):
launch_eye_process(0, blocking=False)
# Event loop
while not glfw.glfwWindowShouldClose(main_window):
# Get an image from the grabber
try:
frame = cap.get_frame()
except CameraCaptureError:
logger.error("Capture from camera failed. Stopping.")
break
except EndofVideoFileError:
logger.warning("Video file is done. Stopping")
break
#update performace graphs
t = frame.timestamp
dt, ts = t - ts, t
try:
fps_graph.add(1. / dt)
except ZeroDivisionError:
pass
cpu_graph.update()
#a dictionary that allows plugins to post and read events
events = {}
#report time between now and the last loop interation
events['dt'] = get_dt()
#receive and map pupil positions
recent_pupil_positions = []
while not g_pool.pupil_queue.empty():
p = g_pool.pupil_queue.get()
recent_pupil_positions.append(p)
pupil_graph.add(p['confidence'])
events['pupil_positions'] = recent_pupil_positions
# publish delayed notifiactions when their time has come.
for n in g_pool.delayed_notifications.values():
if n['_notify_time_'] < time():
del n['_notify_time_']
del g_pool.delayed_notifications[n['subject']]
g_pool.notifications.append(n)
# notify each plugin if there are new notifications:
while g_pool.notifications:
n = g_pool.notifications.pop(0)
for p in g_pool.plugins:
p.on_notify(n)
# allow each Plugin to do its work.
for p in g_pool.plugins:
p.update(frame, events)
#check if a plugin need to be destroyed
g_pool.plugins.clean()
# render camera image
glfw.glfwMakeContextCurrent(main_window)
if g_pool.iconified:
pass
else:
g_pool.image_tex.update_from_frame(frame)
make_coord_system_norm_based()
g_pool.image_tex.draw()
make_coord_system_pixel_based((frame.height, frame.width, 3))
# render visual feedback from loaded plugins
for p in g_pool.plugins:
p.gl_display()
if not g_pool.iconified:
graph.push_view()
fps_graph.draw()
cpu_graph.draw()
pupil_graph.draw()
graph.pop_view()
g_pool.gui.update()
glfw.glfwSwapBuffers(main_window)
glfw.glfwPollEvents()
glfw.glfwRestoreWindow(main_window) #need to do this for windows os
session_settings['loaded_plugins'] = g_pool.plugins.get_initializers()
session_settings[
'pupil_confidence_threshold'] = g_pool.pupil_confidence_threshold
session_settings['gui_scale'] = g_pool.gui.scale
session_settings['ui_config'] = g_pool.gui.configuration
session_settings['capture_settings'] = g_pool.capture.settings
session_settings['window_size'] = glfw.glfwGetWindowSize(main_window)
session_settings['window_position'] = glfw.glfwGetWindowPos(main_window)
session_settings['version'] = g_pool.version
session_settings['eye0_process_alive'] = eyes_are_alive[0].value
session_settings['eye1_process_alive'] = eyes_are_alive[1].value
session_settings['detection_mapping_mode'] = g_pool.detection_mapping_mode
session_settings['audio_mode'] = audio.audio_mode
session_settings.close()
# de-init all running plugins
for p in g_pool.plugins:
p.alive = False
g_pool.plugins.clean()
g_pool.gui.terminate()
glfw.glfwDestroyWindow(main_window)
glfw.glfwTerminate()
cap.close()
#shut down eye processes:
stop_eye_process(0)
stop_eye_process(1)
#shut down laucher
lauchner_pipe.send("Exit")
logger.debug("world process done")
def session(rec_dir):
plugin_dir = os.path.join(user_dir, 'plugins')
if not os.path.isdir(plugin_dir):
os.mkdir(plugin_dir)
runtime_plugins = import_runtime_plugins(plugin_dir)
system_plugins = [Log_Display, Seek_Bar, Trim_Marks]
vis_plugins = sorted([Vis_Circle, Vis_Fixation, Vis_Polyline, Vis_Light_Points, Vis_Cross,
Vis_Watermark, Vis_Eye_Video_Overlay, Vis_Scan_Path], key=lambda x: x.__name__)
analysis_plugins = sorted([Gaze_Position_2D_Fixation_Detector, Pupil_Angle_3D_Fixation_Detector,
Manual_Gaze_Correction, Video_Export_Launcher, Offline_Surface_Tracker,
Raw_Data_Exporter, Batch_Exporter, Annotation_Player], key=lambda x: x.__name__)
other_plugins = sorted([Log_History, Marker_Auto_Trim_Marks], key=lambda x: x.__name__)
user_plugins = sorted(runtime_plugins, key=lambda x: x.__name__)
user_launchable_plugins = vis_plugins + analysis_plugins + other_plugins + user_plugins
available_plugins = system_plugins + user_launchable_plugins
name_by_index = [p.__name__ for p in available_plugins]
plugin_by_name = dict(zip(name_by_index, available_plugins))
# Callback functions
def on_resize(window, w, h):
if gl_utils.is_window_visible(window):
hdpi_factor = float(glfwGetFramebufferSize(window)[0] / glfwGetWindowSize(window)[0])
g_pool.gui.scale = g_pool.gui_user_scale * hdpi_factor
g_pool.gui.update_window(w, h)
g_pool.gui.collect_menus()
for g in g_pool.graphs:
g.scale = hdpi_factor
g.adjust_window_size(w, h)
gl_utils.adjust_gl_view(w, h)
for p in g_pool.plugins:
p.on_window_resize(window, w, h)
def on_key(window, key, scancode, action, mods):
g_pool.gui.update_key(key, scancode, action, mods)
def on_char(window, char):
g_pool.gui.update_char(char)
def on_button(window, button, action, mods):
g_pool.gui.update_button(button, action, mods)
pos = glfwGetCursorPos(window)
pos = normalize(pos, glfwGetWindowSize(window))
pos = denormalize(pos, (frame.img.shape[1], frame.img.shape[0])) # Position in img pixels
for p in g_pool.plugins:
p.on_click(pos, button, action)
def on_pos(window, x, y):
hdpi_factor = float(glfwGetFramebufferSize(window)[0]/glfwGetWindowSize(window)[0])
g_pool.gui.update_mouse(x*hdpi_factor, y*hdpi_factor)
def on_scroll(window, x, y):
g_pool.gui.update_scroll(x, y*scroll_factor)
def on_drop(window, count, paths):
for x in range(count):
new_rec_dir = paths[x].decode('utf-8')
if is_pupil_rec_dir(new_rec_dir):
logger.debug("Starting new session with '{}'".format(new_rec_dir))
global rec_dir
rec_dir = new_rec_dir
glfwSetWindowShouldClose(window, True)
else:
logger.error("'{}' is not a valid pupil recording".format(new_rec_dir))
tick = delta_t()
def get_dt():
return next(tick)
update_recording_to_recent(rec_dir)
video_path = [f for f in glob(os.path.join(rec_dir, "world.*")) if f[-3:] in ('mp4', 'mkv', 'avi')][0]
timestamps_path = os.path.join(rec_dir, "world_timestamps.npy")
pupil_data_path = os.path.join(rec_dir, "pupil_data")
meta_info = load_meta_info(rec_dir)
app_version = get_version(version_file)
# log info about Pupil Platform and Platform in player.log
logger.info('Application Version: {}'.format(app_version))
logger.info('System Info: {}'.format(get_system_info()))
timestamps = np.load(timestamps_path)
# create container for globally scoped vars
g_pool = Global_Container()
g_pool.app = 'player'
# Initialize capture
cap = File_Source(g_pool, video_path, timestamps=list(timestamps))
# load session persistent settings
session_settings = Persistent_Dict(os.path.join(user_dir, "user_settings"))
if VersionFormat(session_settings.get("version", '0.0')) < get_version(version_file):
logger.info("Session setting are from older version of this app. I will not use those.")
session_settings.clear()
width, height = session_settings.get('window_size', cap.frame_size)
window_pos = session_settings.get('window_position', window_position_default)
main_window = glfwCreateWindow(width, height, "Pupil Player: "+meta_info["Recording Name"]+" - "
+ rec_dir.split(os.path.sep)[-1], None, None)
glfwSetWindowPos(main_window, window_pos[0], window_pos[1])
glfwMakeContextCurrent(main_window)
cygl.utils.init()
def set_scale(new_scale):
g_pool.gui_user_scale = new_scale
on_resize(main_window, *glfwGetFramebufferSize(main_window))
# load pupil_positions, gaze_positions
pupil_data = load_object(pupil_data_path)
pupil_list = pupil_data['pupil_positions']
gaze_list = pupil_data['gaze_positions']
g_pool.pupil_data = pupil_data
g_pool.binocular = meta_info.get('Eye Mode', 'monocular') == 'binocular'
g_pool.version = app_version
g_pool.capture = cap
g_pool.timestamps = timestamps
g_pool.play = False
g_pool.new_seek = True
g_pool.user_dir = user_dir
g_pool.rec_dir = rec_dir
g_pool.meta_info = meta_info
g_pool.min_data_confidence = session_settings.get('min_data_confidence', 0.6)
g_pool.pupil_positions_by_frame = correlate_data(pupil_list, g_pool.timestamps)
g_pool.gaze_positions_by_frame = correlate_data(gaze_list, g_pool.timestamps)
g_pool.fixations_by_frame = [[] for x in g_pool.timestamps] # populated by the fixation detector plugin
def next_frame(_):
try:
cap.seek_to_frame(cap.get_frame_index())
except(FileSeekError):
logger.warning("Could not seek to next frame.")
else:
g_pool.new_seek = True
def prev_frame(_):
try:
cap.seek_to_frame(cap.get_frame_index()-2)
except(FileSeekError):
logger.warning("Could not seek to previous frame.")
else:
g_pool.new_seek = True
def toggle_play(new_state):
if cap.get_frame_index() >= cap.get_frame_count()-5:
cap.seek_to_frame(1) # avoid pause set by hitting trimmark pause.
logger.warning("End of video - restart at beginning.")
g_pool.play = new_state
def set_data_confidence(new_confidence):
g_pool.min_data_confidence = new_confidence
notification = {'subject': 'min_data_confidence_changed'}
notification['_notify_time_'] = time()+.8
g_pool.delayed_notifications[notification['subject']] = notification
def open_plugin(plugin):
if plugin == "Select to load":
return
g_pool.plugins.add(plugin)
def purge_plugins():
for p in g_pool.plugins:
if p.__class__ in user_launchable_plugins:
p.alive = False
g_pool.plugins.clean()
def do_export(_):
export_range = slice(g_pool.trim_marks.in_mark, g_pool.trim_marks.out_mark)
export_dir = os.path.join(g_pool.rec_dir, 'exports', '{}-{}'.format(export_range.start, export_range.stop))
try:
os.makedirs(export_dir)
except OSError as e:
if e.errno != errno.EEXIST:
logger.error("Could not create export dir")
raise e
else:
overwrite_warning = "Previous export for range [{}-{}] already exsits - overwriting."
logger.warning(overwrite_warning.format(export_range.start, export_range.stop))
else:
logger.info('Created export dir at "{}"'.format(export_dir))
notification = {'subject': 'should_export', 'range': export_range, 'export_dir': export_dir}
g_pool.notifications.append(notification)
g_pool.gui = ui.UI()
g_pool.gui_user_scale = session_settings.get('gui_scale', 1.)
g_pool.main_menu = ui.Scrolling_Menu("Settings", pos=(-350, 20), size=(300, 500))
g_pool.main_menu.append(ui.Button('Reset window size',
lambda: glfwSetWindowSize(main_window, cap.frame_size[0], cap.frame_size[1])))
g_pool.main_menu.append(ui.Selector('gui_user_scale', g_pool, setter=set_scale, selection=[.8, .9, 1., 1.1, 1.2], label='Interface Size'))
g_pool.main_menu.append(ui.Info_Text('Player Version: {}'.format(g_pool.version)))
g_pool.main_menu.append(ui.Info_Text('Capture Version: {}'.format(meta_info['Capture Software Version'])))
g_pool.main_menu.append(ui.Info_Text('Data Format Version: {}'.format(meta_info['Data Format Version'])))
g_pool.main_menu.append(ui.Slider('min_data_confidence', g_pool, setter=set_data_confidence,
step=.05, min=0.0, max=1.0, label='Confidence threshold'))
selector_label = "Select to load"
vis_labels = [" " + p.__name__.replace('_', ' ') for p in vis_plugins]
analysis_labels = [" " + p.__name__.replace('_', ' ') for p in analysis_plugins]
other_labels = [" " + p.__name__.replace('_', ' ') for p in other_plugins]
user_labels = [" " + p.__name__.replace('_', ' ') for p in user_plugins]
plugins = ([selector_label, selector_label] + vis_plugins + [selector_label] + analysis_plugins + [selector_label]
+ other_plugins + [selector_label] + user_plugins)
labels = ([selector_label, "Visualization"] + vis_labels + ["Analysis"] + analysis_labels + ["Other"]
+ other_labels + ["User added"] + user_labels)
g_pool.main_menu.append(ui.Selector('Open plugin:',
selection=plugins,
labels=labels,
setter=open_plugin,
getter=lambda: selector_label))
g_pool.main_menu.append(ui.Button('Close all plugins', purge_plugins))
g_pool.quickbar = ui.Stretching_Menu('Quick Bar', (0, 100), (120, -100))
g_pool.play_button = ui.Thumb('play',
g_pool,
label=chr(0xf04b),
setter=toggle_play,
hotkey=GLFW_KEY_SPACE,
label_font='fontawesome',
label_offset_x=5,
label_offset_y=0,
label_offset_size=-24)
g_pool.play_button.on_color[:] = (0, 1., .0, .8)
g_pool.forward_button = ui.Thumb('forward',
label=chr(0xf04e),
getter=lambda: False,
setter=next_frame,
hotkey=GLFW_KEY_RIGHT,
label_font='fontawesome',
label_offset_x=5,
label_offset_y=0,
label_offset_size=-24)
g_pool.backward_button = ui.Thumb('backward',
label=chr(0xf04a),
getter=lambda: False,
setter=prev_frame,
hotkey=GLFW_KEY_LEFT,
label_font='fontawesome',
label_offset_x=-5,
label_offset_y=0,
label_offset_size=-24)
g_pool.export_button = ui.Thumb('export',
label=chr(0xf063),
getter=lambda: False,
setter=do_export,
hotkey='e',
label_font='fontawesome',
label_offset_x=0,
label_offset_y=2,
label_offset_size=-24)
g_pool.quickbar.extend([g_pool.play_button, g_pool.forward_button, g_pool.backward_button, g_pool.export_button])
g_pool.gui.append(g_pool.quickbar)
g_pool.gui.append(g_pool.main_menu)
# we always load these plugins
system_plugins = [('Trim_Marks', {}), ('Seek_Bar', {})]
default_plugins = [('Log_Display', {}), ('Vis_Scan_Path', {}), ('Vis_Polyline', {}), ('Vis_Circle', {}), ('Video_Export_Launcher', {})]
previous_plugins = session_settings.get('loaded_plugins', default_plugins)
g_pool.notifications = []
g_pool.delayed_notifications = {}
g_pool.plugins = Plugin_List(g_pool, plugin_by_name, system_plugins+previous_plugins)
# Register callbacks main_window
glfwSetFramebufferSizeCallback(main_window, on_resize)
glfwSetKeyCallback(main_window, on_key)
glfwSetCharCallback(main_window, on_char)
glfwSetMouseButtonCallback(main_window, on_button)
glfwSetCursorPosCallback(main_window, on_pos)
glfwSetScrollCallback(main_window, on_scroll)
glfwSetDropCallback(main_window, on_drop)
g_pool.gui.configuration = session_settings.get('ui_config', {})
# gl_state settings
gl_utils.basic_gl_setup()
g_pool.image_tex = Named_Texture()
# set up performace graphs:
pid = os.getpid()
ps = psutil.Process(pid)
ts = None
cpu_graph = graph.Bar_Graph()
cpu_graph.pos = (20, 110)
cpu_graph.update_fn = ps.cpu_percent
cpu_graph.update_rate = 5
cpu_graph.label = 'CPU %0.1f'
fps_graph = graph.Bar_Graph()
fps_graph.pos = (140, 110)
fps_graph.update_rate = 5
fps_graph.label = "%0.0f REC FPS"
pupil_graph = graph.Bar_Graph(max_val=1.0)
pupil_graph.pos = (260, 110)
pupil_graph.update_rate = 5
pupil_graph.label = "Confidence: %0.2f"
g_pool.graphs = [cpu_graph, fps_graph, pupil_graph]
# trigger on_resize
on_resize(main_window, *glfwGetFramebufferSize(main_window))
while not glfwWindowShouldClose(main_window):
# grab new frame
if g_pool.play or g_pool.new_seek:
g_pool.new_seek = False
try:
new_frame = cap.get_frame()
except EndofVideoFileError:
# end of video logic: pause at last frame.
g_pool.play = False
logger.warning("end of video")
update_graph = True
else:
update_graph = False
frame = new_frame.copy()
events = {}
events['frame'] = frame
# report time between now and the last loop interation
events['dt'] = get_dt()
# new positons we make a deepcopy just like the image is a copy.
events['gaze_positions'] = deepcopy(g_pool.gaze_positions_by_frame[frame.index])
events['pupil_positions'] = deepcopy(g_pool.pupil_positions_by_frame[frame.index])
if update_graph:
# update performace graphs
for p in events['pupil_positions']:
pupil_graph.add(p['confidence'])
t = new_frame.timestamp
if ts and ts != t:
dt, ts = t-ts, t
fps_graph.add(1./dt)
else:
ts = new_frame.timestamp
g_pool.play_button.status_text = str(frame.index)
# always update the CPU graph
cpu_graph.update()
# publish delayed notifiactions when their time has come.
for n in list(g_pool.delayed_notifications.values()):
if n['_notify_time_'] < time():
del n['_notify_time_']
del g_pool.delayed_notifications[n['subject']]
g_pool.notifications.append(n)
# notify each plugin if there are new notifactions:
while g_pool.notifications:
n = g_pool.notifications.pop(0)
for p in g_pool.plugins:
p.on_notify(n)
# allow each Plugin to do its work.
for p in g_pool.plugins:
p.recent_events(events)
# check if a plugin need to be destroyed
g_pool.plugins.clean()
# render camera image
glfwMakeContextCurrent(main_window)
gl_utils.make_coord_system_norm_based()
g_pool.image_tex.update_from_frame(frame)
g_pool.image_tex.draw()
gl_utils.make_coord_system_pixel_based(frame.img.shape)
# render visual feedback from loaded plugins
for p in g_pool.plugins:
p.gl_display()
fps_graph.draw()
cpu_graph.draw()
pupil_graph.draw()
g_pool.gui.update()
# present frames at appropriate speed
cap.wait(frame)
glfwSwapBuffers(main_window)
glfwPollEvents()
session_settings['loaded_plugins'] = g_pool.plugins.get_initializers()
session_settings['min_data_confidence'] = g_pool.min_data_confidence
session_settings['gui_scale'] = g_pool.gui_user_scale
session_settings['ui_config'] = g_pool.gui.configuration
session_settings['window_size'] = glfwGetWindowSize(main_window)
session_settings['window_position'] = glfwGetWindowPos(main_window)
session_settings['version'] = str(g_pool.version)
session_settings.close()
# de-init all running plugins
for p in g_pool.plugins:
p.alive = False
g_pool.plugins.clean()
cap.cleanup()
g_pool.gui.terminate()
glfwDestroyWindow(main_window)
def eye(timebase, is_alive_flag, ipc_pub_url, ipc_sub_url, ipc_push_url,
user_dir, version, eye_id, overwrite_cap_settings=None):
"""reads eye video and detects the pupil.
Creates a window, gl context.
Grabs images from a capture.
Streams Pupil coordinates.
Reacts to notifications:
``set_detection_mapping_mode``: Sets detection method
``eye_process.should_stop``: Stops the eye process
``recording.started``: Starts recording eye video
``recording.stopped``: Stops recording eye video
``frame_publishing.started``: Starts frame publishing
``frame_publishing.stopped``: Stops frame publishing
Emits notifications:
``eye_process.started``: Eye process started
``eye_process.stopped``: Eye process stopped
Emits data:
``pupil.<eye id>``: Pupil data for eye with id ``<eye id>``
``frame.eye.<eye id>``: Eye frames with id ``<eye id>``
"""
# We deferr the imports becasue of multiprocessing.
# Otherwise the world process each process also loads the other imports.
import zmq
import zmq_tools
zmq_ctx = zmq.Context()
ipc_socket = zmq_tools.Msg_Dispatcher(zmq_ctx, ipc_push_url)
pupil_socket = zmq_tools.Msg_Streamer(zmq_ctx, ipc_pub_url)
notify_sub = zmq_tools.Msg_Receiver(zmq_ctx, ipc_sub_url, topics=("notify",))
with Is_Alive_Manager(is_alive_flag, ipc_socket, eye_id):
# logging setup
import logging
logging.getLogger("OpenGL").setLevel(logging.ERROR)
logger = logging.getLogger()
logger.handlers = []
logger.setLevel(logging.INFO)
logger.addHandler(zmq_tools.ZMQ_handler(zmq_ctx, ipc_push_url))
# create logger for the context of this function
logger = logging.getLogger(__name__)
# general imports
import numpy as np
import cv2
# display
import glfw
from pyglui import ui, graph, cygl
from pyglui.cygl.utils import draw_points, RGBA, draw_polyline
from pyglui.cygl.utils import Named_Texture
from gl_utils import basic_gl_setup, adjust_gl_view, clear_gl_screen
from gl_utils import make_coord_system_pixel_based
from gl_utils import make_coord_system_norm_based
from gl_utils import is_window_visible
from ui_roi import UIRoi
# monitoring
import psutil
# helpers/utils
from uvc import get_time_monotonic
from file_methods import Persistent_Dict
from version_utils import VersionFormat
from methods import normalize, denormalize, timer
from av_writer import JPEG_Writer, AV_Writer
from ndsi import H264Writer
from video_capture import source_classes
from video_capture import manager_classes
# Pupil detectors
from pupil_detectors import Detector_2D, Detector_3D
pupil_detectors = {Detector_2D.__name__: Detector_2D,
Detector_3D.__name__: Detector_3D}
# UI Platform tweaks
if platform.system() == 'Linux':
scroll_factor = 10.0
window_position_default = (600, 300 * eye_id)
elif platform.system() == 'Windows':
scroll_factor = 10.0
window_position_default = (600,31+ 300 * eye_id)
else:
scroll_factor = 1.0
window_position_default = (600, 300 * eye_id)
# g_pool holds variables for this process
g_pool = Global_Container()
# make some constants avaiable
g_pool.user_dir = user_dir
g_pool.version = version
g_pool.app = 'capture'
g_pool.process = 'eye{}'.format(eye_id)
g_pool.timebase = timebase
g_pool.ipc_pub = ipc_socket
def get_timestamp():
return get_time_monotonic() - g_pool.timebase.value
g_pool.get_timestamp = get_timestamp
g_pool.get_now = get_time_monotonic
# Callback functions
def on_resize(window, w, h):
if is_window_visible(window):
active_window = glfw.glfwGetCurrentContext()
glfw.glfwMakeContextCurrent(window)
hdpi_factor = float(glfw.glfwGetFramebufferSize(window)[0] / glfw.glfwGetWindowSize(window)[0])
g_pool.gui.scale = g_pool.gui_user_scale * hdpi_factor
g_pool.gui.update_window(w, h)
g_pool.gui.collect_menus()
for g in g_pool.graphs:
g.scale = hdpi_factor
g.adjust_window_size(w, h)
adjust_gl_view(w, h)
glfw.glfwMakeContextCurrent(active_window)
def on_window_key(window, key, scancode, action, mods):
g_pool.gui.update_key(key, scancode, action, mods)
def on_window_char(window, char):
g_pool.gui.update_char(char)
def on_iconify(window, iconified):
g_pool.iconified = iconified
def on_window_mouse_button(window, button, action, mods):
if g_pool.display_mode == 'roi':
if action == glfw.GLFW_RELEASE and g_pool.u_r.active_edit_pt:
g_pool.u_r.active_edit_pt = False
# if the roi interacts we dont want
# the gui to interact as well
return
elif action == glfw.GLFW_PRESS:
pos = glfw.glfwGetCursorPos(window)
pos = normalize(pos, glfw.glfwGetWindowSize(main_window))
if g_pool.flip:
pos = 1 - pos[0], 1 - pos[1]
# Position in img pixels
pos = denormalize(pos,g_pool.capture.frame_size) # Position in img pixels
if g_pool.u_r.mouse_over_edit_pt(pos, g_pool.u_r.handle_size + 40,g_pool.u_r.handle_size + 40):
# if the roi interacts we dont want
# the gui to interact as well
return
g_pool.gui.update_button(button, action, mods)
def on_pos(window, x, y):
hdpi_factor = glfw.glfwGetFramebufferSize(
window)[0] / glfw.glfwGetWindowSize(window)[0]
g_pool.gui.update_mouse(x * hdpi_factor, y * hdpi_factor)
if g_pool.u_r.active_edit_pt:
pos = normalize((x, y), glfw.glfwGetWindowSize(main_window))
if g_pool.flip:
pos = 1-pos[0],1-pos[1]
pos = denormalize(pos,g_pool.capture.frame_size )
g_pool.u_r.move_vertex(g_pool.u_r.active_pt_idx,pos)
def on_scroll(window, x, y):
g_pool.gui.update_scroll(x, y * scroll_factor)
def on_drop(window, count, paths):
paths = [paths[x].decode('utf-8') for x in range(count)]
g_pool.capture_manager.on_drop(paths)
g_pool.capture.on_drop(paths)
# load session persistent settings
session_settings = Persistent_Dict(os.path.join(g_pool.user_dir, 'user_settings_eye{}'.format(eye_id)))
if VersionFormat(session_settings.get("version", '0.0')) != g_pool.version:
logger.info("Session setting are from a different version of this app. I will not use those.")
session_settings.clear()
g_pool.iconified = False
g_pool.capture = None
g_pool.capture_manager = None
g_pool.flip = session_settings.get('flip', False)
g_pool.display_mode = session_settings.get(
'display_mode', 'camera_image')
g_pool.display_mode_info_text = {'camera_image': "Raw eye camera image. This uses the least amount of CPU power",
'roi': "Click and drag on the blue circles to adjust the region of interest. The region should be as small as possible, but large enough to capture all pupil movements.",
'algorithm': "Algorithm display mode overlays a visualization of the pupil detection parameters on top of the eye video. Adjust parameters within the Pupil Detection menu below."}
capture_manager_settings = session_settings.get(
'capture_manager_settings', ('UVC_Manager',{}))
manager_class_name, manager_settings = capture_manager_settings
manager_class_by_name = {c.__name__:c for c in manager_classes}
g_pool.capture_manager = manager_class_by_name[manager_class_name](g_pool,**manager_settings)
if eye_id == 0:
cap_src = ["Pupil Cam1 ID0","HD-6000","Integrated Camera","HD USB Camera","USB 2.0 Camera"]
else:
cap_src = ["Pupil Cam1 ID1","HD-6000","Integrated Camera"]
# Initialize capture
default_settings = ('UVC_Source',{
'preferred_names' : cap_src,
'frame_size': (640,480),
'frame_rate': 90
})
capture_source_settings = overwrite_cap_settings or session_settings.get('capture_settings', default_settings)
source_class_name, source_settings = capture_source_settings
source_class_by_name = {c.__name__:c for c in source_classes}
g_pool.capture = source_class_by_name[source_class_name](g_pool,**source_settings)
assert g_pool.capture
g_pool.u_r = UIRoi((g_pool.capture.frame_size[1],g_pool.capture.frame_size[0]))
roi_user_settings = session_settings.get('roi')
if roi_user_settings and tuple(roi_user_settings[-1]) == g_pool.u_r.get()[-1]:
g_pool.u_r.set(roi_user_settings)
pupil_detector_settings = session_settings.get(
'pupil_detector_settings', None)
last_pupil_detector = pupil_detectors[session_settings.get(
'last_pupil_detector', Detector_2D.__name__)]
g_pool.pupil_detector = last_pupil_detector(
g_pool, pupil_detector_settings)
def set_display_mode_info(val):
g_pool.display_mode = val
g_pool.display_mode_info.text = g_pool.display_mode_info_text[val]
def set_detector(new_detector):
g_pool.pupil_detector.cleanup()
g_pool.pupil_detector = new_detector(g_pool)
g_pool.pupil_detector.init_gui(g_pool.sidebar)
# Initialize glfw
glfw.glfwInit()
title = "Pupil Capture - eye {}".format(eye_id)
width, height = session_settings.get(
'window_size', g_pool.capture.frame_size)
main_window = glfw.glfwCreateWindow(width, height, title, None, None)
window_pos = session_settings.get(
'window_position', window_position_default)
glfw.glfwSetWindowPos(main_window, window_pos[0], window_pos[1])
glfw.glfwMakeContextCurrent(main_window)
cygl.utils.init()
# UI callback functions
def set_scale(new_scale):
g_pool.gui_user_scale = new_scale
on_resize(main_window, *glfw.glfwGetFramebufferSize(main_window))
# gl_state settings
basic_gl_setup()
g_pool.image_tex = Named_Texture()
g_pool.image_tex.update_from_ndarray(np.ones((1,1),dtype=np.uint8)+125)
# setup GUI
g_pool.gui = ui.UI()
g_pool.gui_user_scale = session_settings.get('gui_scale', 1.)
g_pool.sidebar = ui.Scrolling_Menu("Settings",
pos=(-300, 0),
size=(0, 0),
header_pos='left')
general_settings = ui.Growing_Menu('General')
general_settings.append(ui.Selector('gui_user_scale', g_pool,
setter=set_scale,
selection=[.8, .9, 1., 1.1, 1.2],
label='Interface Size'))
general_settings.append(ui.Button('Reset window size',lambda: glfw.glfwSetWindowSize(main_window,*g_pool.capture.frame_size)) )
general_settings.append(ui.Switch('flip',g_pool,label='Flip image display'))
general_settings.append(ui.Selector('display_mode',
g_pool,
setter=set_display_mode_info,
selection=['camera_image','roi','algorithm'],
labels=['Camera Image', 'ROI', 'Algorithm'],
label="Mode")
)
g_pool.display_mode_info = ui.Info_Text(g_pool.display_mode_info_text[g_pool.display_mode])
general_settings.append(g_pool.display_mode_info)
g_pool.gui.append(g_pool.sidebar)
detector_selector = ui.Selector('pupil_detector',
getter=lambda: g_pool.pupil_detector.__class__,
setter=set_detector, selection=[
Detector_2D, Detector_3D],
labels=['C++ 2d detector',
'C++ 3d detector'],
label="Detection method")
general_settings.append(detector_selector)
g_pool.capture_selector_menu = ui.Growing_Menu('Capture Selection')
g_pool.capture_source_menu = ui.Growing_Menu('Capture Source')
g_pool.capture_source_menu.collapsed = True
g_pool.capture.init_gui()
g_pool.sidebar.append(general_settings)
g_pool.sidebar.append(g_pool.capture_selector_menu)
g_pool.sidebar.append(g_pool.capture_source_menu)
g_pool.pupil_detector.init_gui(g_pool.sidebar)
g_pool.capture_manager.init_gui()
g_pool.writer = None
def replace_source(source_class_name,source_settings):
g_pool.capture.cleanup()
g_pool.capture = source_class_by_name[source_class_name](g_pool,**source_settings)
g_pool.capture.init_gui()
if g_pool.writer:
logger.info("Done recording.")
g_pool.writer.release()
g_pool.writer = None
g_pool.replace_source = replace_source # for ndsi capture
def replace_manager(manager_class):
g_pool.capture_manager.cleanup()
g_pool.capture_manager = manager_class(g_pool)
g_pool.capture_manager.init_gui()
#We add the capture selection menu, after a manager has been added:
g_pool.capture_selector_menu.insert(0,ui.Selector(
'capture_manager',g_pool,
setter = replace_manager,
getter = lambda: g_pool.capture_manager.__class__,
selection = manager_classes,
labels = [b.gui_name for b in manager_classes],
label = 'Manager'
))
# Register callbacks main_window
glfw.glfwSetFramebufferSizeCallback(main_window, on_resize)
glfw.glfwSetWindowIconifyCallback(main_window, on_iconify)
glfw.glfwSetKeyCallback(main_window, on_window_key)
glfw.glfwSetCharCallback(main_window, on_window_char)
glfw.glfwSetMouseButtonCallback(main_window, on_window_mouse_button)
glfw.glfwSetCursorPosCallback(main_window, on_pos)
glfw.glfwSetScrollCallback(main_window, on_scroll)
glfw.glfwSetDropCallback(main_window, on_drop)
# load last gui configuration
g_pool.gui.configuration = session_settings.get('ui_config', {})
# set up performance graphs
pid = os.getpid()
ps = psutil.Process(pid)
ts = g_pool.get_timestamp()
cpu_graph = graph.Bar_Graph()
cpu_graph.pos = (20, 130)
cpu_graph.update_fn = ps.cpu_percent
cpu_graph.update_rate = 5
cpu_graph.label = 'CPU %0.1f'
fps_graph = graph.Bar_Graph()
fps_graph.pos = (140, 130)
fps_graph.update_rate = 5
fps_graph.label = "%0.0f FPS"
g_pool.graphs = [cpu_graph, fps_graph]
# set the last saved window size
on_resize(main_window, *glfw.glfwGetFramebufferSize(main_window))
should_publish_frames = False
frame_publish_format = 'jpeg'
# create a timer to control window update frequency
window_update_timer = timer(1 / 60)
def window_should_update():
return next(window_update_timer)
logger.warning('Process started.')
frame = None
# Event loop
while not glfw.glfwWindowShouldClose(main_window):
if notify_sub.new_data:
t, notification = notify_sub.recv()
subject = notification['subject']
if subject.startswith('eye_process.should_stop'):
if notification['eye_id'] == eye_id:
break
elif subject == 'set_detection_mapping_mode':
if notification['mode'] == '3d':
if not isinstance(g_pool.pupil_detector, Detector_3D):
set_detector(Detector_3D)
detector_selector.read_only = True
else:
if not isinstance(g_pool.pupil_detector, Detector_2D):
set_detector(Detector_2D)
detector_selector.read_only = False
elif subject == 'recording.started':
if notification['record_eye'] and g_pool.capture.online:
record_path = notification['rec_path']
raw_mode = notification['compression']
logger.info("Will save eye video to: {}".format(record_path))
video_path = os.path.join(record_path, "eye{}.mp4".format(eye_id))
if raw_mode and frame and g_pool.capture.jpeg_support:
g_pool.writer = JPEG_Writer(video_path, g_pool.capture.frame_rate)
elif hasattr(g_pool.capture._recent_frame, 'h264_buffer'):
g_pool.writer = H264Writer(video_path,
g_pool.capture.frame_size[0],
g_pool.capture.frame_size[1],
g_pool.capture.frame_rate)
else:
g_pool.writer = AV_Writer(video_path, g_pool.capture.frame_rate)
elif subject == 'recording.stopped':
if g_pool.writer:
logger.info("Done recording.")
g_pool.writer.release()
g_pool.writer = None
elif subject.startswith('meta.should_doc'):
ipc_socket.notify({
'subject': 'meta.doc',
'actor': 'eye{}'.format(eye_id),
'doc': eye.__doc__
})
elif subject.startswith('frame_publishing.started'):
should_publish_frames = True
frame_publish_format = notification.get('format', 'jpeg')
elif subject.startswith('frame_publishing.stopped'):
should_publish_frames = False
frame_publish_format = 'jpeg'
elif subject.startswith('start_eye_capture') and notification['target'] == g_pool.process:
replace_source(notification['name'],notification['args'])
g_pool.capture.on_notify(notification)
# Get an image from the grabber
event = {}
g_pool.capture.recent_events(event)
frame = event.get('frame')
g_pool.capture_manager.recent_events(event)
if frame:
f_width, f_height = g_pool.capture.frame_size
if (g_pool.u_r.array_shape[0], g_pool.u_r.array_shape[1]) != (f_height, f_width):
g_pool.pupil_detector.on_resolution_change((g_pool.u_r.array_shape[1], g_pool.u_r.array_shape[0]), g_pool.capture.frame_size)
g_pool.u_r = UIRoi((f_height, f_width))
if should_publish_frames:
try:
if frame_publish_format == "jpeg":
data = frame.jpeg_buffer
elif frame_publish_format == "yuv":
data = frame.yuv_buffer
elif frame_publish_format == "bgr":
data = frame.bgr
elif frame_publish_format == "gray":
data = frame.gray
else:
raise AttributeError()
except AttributeError:
pass
else:
pupil_socket.send('frame.eye.%s'%eye_id,{
'width': frame.width,
'height': frame.height,
'index': frame.index,
'timestamp': frame.timestamp,
'format': frame_publish_format,
'__raw_data__': [data]
})
t = frame.timestamp
dt, ts = t - ts, t
try:
fps_graph.add(1./dt)
except ZeroDivisionError:
pass
if g_pool.writer:
g_pool.writer.write_video_frame(frame)
# pupil ellipse detection
result = g_pool.pupil_detector.detect(frame, g_pool.u_r, g_pool.display_mode == 'algorithm')
result['id'] = eye_id
# stream the result
pupil_socket.send('pupil.%s'%eye_id,result)
cpu_graph.update()
# GL drawing
if window_should_update():
if is_window_visible(main_window):
glfw.glfwMakeContextCurrent(main_window)
clear_gl_screen()
if frame:
# switch to work in normalized coordinate space
if g_pool.display_mode == 'algorithm':
g_pool.image_tex.update_from_ndarray(frame.img)
elif g_pool.display_mode in ('camera_image', 'roi'):
g_pool.image_tex.update_from_ndarray(frame.gray)
else:
pass
make_coord_system_norm_based(g_pool.flip)
g_pool.image_tex.draw()
f_width, f_height = g_pool.capture.frame_size
make_coord_system_pixel_based((f_height, f_width, 3), g_pool.flip)
if frame:
if result['method'] == '3d c++':
eye_ball = result['projected_sphere']
try:
pts = cv2.ellipse2Poly(
(int(eye_ball['center'][0]),
int(eye_ball['center'][1])),
(int(eye_ball['axes'][0] / 2),
int(eye_ball['axes'][1] / 2)),
int(eye_ball['angle']), 0, 360, 8)
except ValueError as e:
pass
else:
draw_polyline(pts, 2, RGBA(0., .9, .1, result['model_confidence']))
if result['confidence'] > 0:
if 'ellipse' in result:
pts = cv2.ellipse2Poly(
(int(result['ellipse']['center'][0]),
int(result['ellipse']['center'][1])),
(int(result['ellipse']['axes'][0] / 2),
int(result['ellipse']['axes'][1] / 2)),
int(result['ellipse']['angle']), 0, 360, 15)
confidence = result['confidence'] * 0.7
draw_polyline(pts, 1, RGBA(1., 0, 0, confidence))
draw_points([result['ellipse']['center']],
size=20,
color=RGBA(1., 0., 0., confidence),
sharpness=1.)
# render graphs
fps_graph.draw()
cpu_graph.draw()
# render GUI
g_pool.gui.update()
# render the ROI
g_pool.u_r.draw(g_pool.gui.scale)
if g_pool.display_mode == 'roi':
g_pool.u_r.draw_points(g_pool.gui.scale)
# update screen
glfw.glfwSwapBuffers(main_window)
glfw.glfwPollEvents()
g_pool.pupil_detector.visualize() # detector decides if we visualize or not
# END while running
# in case eye recording was still runnnig: Save&close
if g_pool.writer:
logger.info("Done recording eye.")
g_pool.writer = None
glfw.glfwRestoreWindow(main_window) # need to do this for windows os
# save session persistent settings
session_settings['gui_scale'] = g_pool.gui_user_scale
session_settings['roi'] = g_pool.u_r.get()
session_settings['flip'] = g_pool.flip
session_settings['display_mode'] = g_pool.display_mode
session_settings['ui_config'] = g_pool.gui.configuration
session_settings['capture_settings'] = g_pool.capture.class_name, g_pool.capture.get_init_dict()
session_settings['capture_manager_settings'] = g_pool.capture_manager.class_name, g_pool.capture_manager.get_init_dict()
session_settings['window_size'] = glfw.glfwGetWindowSize(main_window)
session_settings['window_position'] = glfw.glfwGetWindowPos(main_window)
session_settings['version'] = str(g_pool.version)
session_settings['last_pupil_detector'] = g_pool.pupil_detector.__class__.__name__
session_settings['pupil_detector_settings'] = g_pool.pupil_detector.get_settings()
session_settings.close()
g_pool.capture.deinit_gui()
g_pool.pupil_detector.cleanup()
g_pool.gui.terminate()
glfw.glfwDestroyWindow(main_window)
glfw.glfwTerminate()
g_pool.capture_manager.cleanup()
g_pool.capture.cleanup()
logger.info("Process shutting down.")
def eye(pupil_queue, timebase, pipe_to_world, is_alive_flag, user_dir, version,
eye_id, cap_src):
"""
Creates a window, gl context.
Grabs images from a capture.
Streams Pupil coordinates into g_pool.pupil_queue
"""
is_alive = Is_Alive_Manager(is_alive_flag)
with is_alive:
import logging
# Set up root logger for this process before doing imports of logged modules.
logger = logging.getLogger()
logger.setLevel(logging.INFO)
# remove inherited handlers
logger.handlers = []
# create file handler which logs even debug messages
fh = logging.FileHandler(os.path.join(user_dir, 'eye%s.log' % eye_id),
mode='w')
# fh.setLevel(logging.DEBUG)
# create console handler with a higher log level
ch = logging.StreamHandler()
ch.setLevel(logger.level + 10)
# create formatter and add it to the handlers
formatter = logging.Formatter(
'Eye' + str(eye_id) +
' Process: %(asctime)s - %(name)s - %(levelname)s - %(message)s')
fh.setFormatter(formatter)
formatter = logging.Formatter(
'EYE' + str(eye_id) +
' Process [%(levelname)s] %(name)s : %(message)s')
ch.setFormatter(formatter)
# add the handlers to the logger
logger.addHandler(fh)
logger.addHandler(ch)
#silence noisy modules
logging.getLogger("OpenGL").setLevel(logging.ERROR)
logging.getLogger("libav").setLevel(logging.ERROR)
# create logger for the context of this function
logger = logging.getLogger(__name__)
# We deferr the imports becasue of multiprocessing.
# Otherwise the world process each process also loads the other imports.
#general imports
import numpy as np
import cv2
#display
import glfw
from pyglui import ui, graph, cygl
from pyglui.cygl.utils import draw_points, RGBA, draw_polyline, Named_Texture
from OpenGL.GL import GL_LINE_LOOP
from gl_utils import basic_gl_setup, adjust_gl_view, clear_gl_screen, make_coord_system_pixel_based, make_coord_system_norm_based
from ui_roi import UIRoi
#monitoring
import psutil
# helpers/utils
from file_methods import Persistent_Dict
from version_utils import VersionFormat
from methods import normalize, denormalize, Roi, timer
from video_capture import autoCreateCapture, FileCaptureError, EndofVideoFileError, CameraCaptureError
from av_writer import JPEG_Writer, AV_Writer
# Pupil detectors
from pupil_detectors import Canny_Detector, Detector_2D, Detector_3D
pupil_detectors = {
Canny_Detector.__name__: Canny_Detector,
Detector_2D.__name__: Detector_2D,
Detector_3D.__name__: Detector_3D
}
#UI Platform tweaks
if platform.system() == 'Linux':
scroll_factor = 10.0
window_position_default = (600, 300 * eye_id)
elif platform.system() == 'Windows':
scroll_factor = 1.0
window_position_default = (600, 31 + 300 * eye_id)
else:
scroll_factor = 1.0
window_position_default = (600, 300 * eye_id)
#g_pool holds variables for this process
g_pool = Global_Container()
# make some constants avaiable
g_pool.user_dir = user_dir
g_pool.version = version
g_pool.app = 'capture'
g_pool.pupil_queue = pupil_queue
g_pool.timebase = timebase
# Callback functions
def on_resize(window, w, h):
if not g_pool.iconified:
active_window = glfw.glfwGetCurrentContext()
glfw.glfwMakeContextCurrent(window)
g_pool.gui.update_window(w, h)
graph.adjust_size(w, h)
adjust_gl_view(w, h)
glfw.glfwMakeContextCurrent(active_window)
def on_key(window, key, scancode, action, mods):
g_pool.gui.update_key(key, scancode, action, mods)
def on_char(window, char):
g_pool.gui.update_char(char)
def on_iconify(window, iconified):
g_pool.iconified = iconified
def on_button(window, button, action, mods):
if g_pool.display_mode == 'roi':
if action == glfw.GLFW_RELEASE and g_pool.u_r.active_edit_pt:
g_pool.u_r.active_edit_pt = False
return # if the roi interacts we dont what the gui to interact as well
elif action == glfw.GLFW_PRESS:
pos = glfw.glfwGetCursorPos(window)
pos = normalize(pos, glfw.glfwGetWindowSize(main_window))
if g_pool.flip:
pos = 1 - pos[0], 1 - pos[1]
pos = denormalize(
pos,
(frame.width, frame.height)) # Position in img pixels
if g_pool.u_r.mouse_over_edit_pt(
pos, g_pool.u_r.handle_size + 40,
g_pool.u_r.handle_size + 40):
return # if the roi interacts we dont what the gui to interact as well
g_pool.gui.update_button(button, action, mods)
def on_pos(window, x, y):
hdpi_factor = float(
glfw.glfwGetFramebufferSize(window)[0] /
glfw.glfwGetWindowSize(window)[0])
g_pool.gui.update_mouse(x * hdpi_factor, y * hdpi_factor)
if g_pool.u_r.active_edit_pt:
pos = normalize((x, y), glfw.glfwGetWindowSize(main_window))
if g_pool.flip:
pos = 1 - pos[0], 1 - pos[1]
pos = denormalize(pos, (frame.width, frame.height))
g_pool.u_r.move_vertex(g_pool.u_r.active_pt_idx, pos)
def on_scroll(window, x, y):
g_pool.gui.update_scroll(x, y * scroll_factor)
# load session persistent settings
session_settings = Persistent_Dict(
os.path.join(g_pool.user_dir, 'user_settings_eye%s' % eye_id))
if session_settings.get("version",
VersionFormat('0.0')) < g_pool.version:
logger.info(
"Session setting are from older version of this app. I will not use those."
)
session_settings.clear()
# Initialize capture
cap = autoCreateCapture(cap_src, timebase=g_pool.timebase)
default_settings = {'frame_size': (640, 480), 'frame_rate': 60}
previous_settings = session_settings.get('capture_settings', None)
if previous_settings and previous_settings['name'] == cap.name:
cap.settings = previous_settings
else:
cap.settings = default_settings
# Test capture
try:
frame = cap.get_frame()
except CameraCaptureError:
logger.error("Could not retrieve image from capture")
cap.close()
return
#signal world that we are ready to go
# pipe_to_world.send('eye%s process ready'%eye_id)
# any object we attach to the g_pool object *from now on* will only be visible to this process!
# vars should be declared here to make them visible to the code reader.
g_pool.iconified = False
g_pool.capture = cap
g_pool.flip = session_settings.get('flip', False)
g_pool.display_mode = session_settings.get('display_mode',
'camera_image')
g_pool.display_mode_info_text = {
'camera_image':
"Raw eye camera image. This uses the least amount of CPU power",
'roi':
"Click and drag on the blue circles to adjust the region of interest. The region should be a small as possible but big enough to capture to pupil in its movements",
'algorithm':
"Algorithm display mode overlays a visualization of the pupil detection parameters on top of the eye video. Adjust parameters with in the Pupil Detection menu below."
}
g_pool.u_r = UIRoi(frame.img.shape)
g_pool.u_r.set(session_settings.get('roi', g_pool.u_r.get()))
def on_frame_size_change(new_size):
g_pool.u_r = UIRoi((new_size[1], new_size[0]))
cap.on_frame_size_change = on_frame_size_change
writer = None
pupil_detector_settings = session_settings.get(
'pupil_detector_settings', None)
last_pupil_detector = pupil_detectors[session_settings.get(
'last_pupil_detector', Detector_2D.__name__)]
g_pool.pupil_detector = last_pupil_detector(g_pool,
pupil_detector_settings)
# UI callback functions
def set_scale(new_scale):
g_pool.gui.scale = new_scale
g_pool.gui.collect_menus()
def set_display_mode_info(val):
g_pool.display_mode = val
g_pool.display_mode_info.text = g_pool.display_mode_info_text[val]
def set_detector(new_detector):
g_pool.pupil_detector.cleanup()
g_pool.pupil_detector = new_detector(g_pool)
g_pool.pupil_detector.init_gui(g_pool.sidebar)
# Initialize glfw
glfw.glfwInit()
title = "eye %s" % eye_id
width, height = session_settings.get('window_size',
(frame.width, frame.height))
main_window = glfw.glfwCreateWindow(width, height, title, None, None)
window_pos = session_settings.get('window_position',
window_position_default)
glfw.glfwSetWindowPos(main_window, window_pos[0], window_pos[1])
glfw.glfwMakeContextCurrent(main_window)
cygl.utils.init()
# gl_state settings
basic_gl_setup()
g_pool.image_tex = Named_Texture()
g_pool.image_tex.update_from_frame(frame)
glfw.glfwSwapInterval(0)
#setup GUI
g_pool.gui = ui.UI()
g_pool.gui.scale = session_settings.get('gui_scale', 1)
g_pool.sidebar = ui.Scrolling_Menu("Settings",
pos=(-300, 0),
size=(0, 0),
header_pos='left')
general_settings = ui.Growing_Menu('General')
general_settings.append(
ui.Slider('scale',
g_pool.gui,
setter=set_scale,
step=.05,
min=1.,
max=2.5,
label='Interface Size'))
general_settings.append(
ui.Button(
'Reset window size', lambda: glfw.glfwSetWindowSize(
main_window, frame.width, frame.height)))
general_settings.append(
ui.Switch('flip', g_pool, label='Flip image display'))
general_settings.append(
ui.Selector('display_mode',
g_pool,
setter=set_display_mode_info,
selection=['camera_image', 'roi', 'algorithm'],
labels=['Camera Image', 'ROI', 'Algorithm'],
label="Mode"))
g_pool.display_mode_info = ui.Info_Text(
g_pool.display_mode_info_text[g_pool.display_mode])
general_settings.append(g_pool.display_mode_info)
g_pool.sidebar.append(general_settings)
g_pool.gui.append(g_pool.sidebar)
detector_selector = ui.Selector(
'pupil_detector',
getter=lambda: g_pool.pupil_detector.__class__,
setter=set_detector,
selection=[Canny_Detector, Detector_2D, Detector_3D],
labels=[
'Python 2D detector', 'C++ 2d detector', 'C++ 3d detector'
],
label="Detection method")
general_settings.append(detector_selector)
# let detector add its GUI
g_pool.pupil_detector.init_gui(g_pool.sidebar)
# let the camera add its GUI
g_pool.capture.init_gui(g_pool.sidebar)
# Register callbacks main_window
glfw.glfwSetFramebufferSizeCallback(main_window, on_resize)
glfw.glfwSetWindowIconifyCallback(main_window, on_iconify)
glfw.glfwSetKeyCallback(main_window, on_key)
glfw.glfwSetCharCallback(main_window, on_char)
glfw.glfwSetMouseButtonCallback(main_window, on_button)
glfw.glfwSetCursorPosCallback(main_window, on_pos)
glfw.glfwSetScrollCallback(main_window, on_scroll)
#set the last saved window size
on_resize(main_window, *glfw.glfwGetWindowSize(main_window))
# load last gui configuration
g_pool.gui.configuration = session_settings.get('ui_config', {})
#set up performance graphs
pid = os.getpid()
ps = psutil.Process(pid)
ts = frame.timestamp
cpu_graph = graph.Bar_Graph()
cpu_graph.pos = (20, 130)
cpu_graph.update_fn = ps.cpu_percent
cpu_graph.update_rate = 5
cpu_graph.label = 'CPU %0.1f'
fps_graph = graph.Bar_Graph()
fps_graph.pos = (140, 130)
fps_graph.update_rate = 5
fps_graph.label = "%0.0f FPS"
#create a timer to control window update frequency
window_update_timer = timer(1 / 60.)
def window_should_update():
return next(window_update_timer)
# Event loop
while not glfw.glfwWindowShouldClose(main_window):
if pipe_to_world.poll():
cmd = pipe_to_world.recv()
if cmd == 'Exit':
break
elif cmd == "Ping":
pipe_to_world.send("Pong")
command = None
else:
command, payload = cmd
if command == 'Set_Detection_Mapping_Mode':
if payload == '3d':
if not isinstance(g_pool.pupil_detector, Detector_3D):
set_detector(Detector_3D)
detector_selector.read_only = True
else:
set_detector(Detector_2D)
detector_selector.read_only = False
else:
command = None
# Get an image from the grabber
try:
frame = cap.get_frame()
except CameraCaptureError:
logger.error("Capture from Camera Failed. Stopping.")
break
except EndofVideoFileError:
logger.warning("Video File is done. Stopping")
cap.seek_to_frame(0)
frame = cap.get_frame()
#update performace graphs
t = frame.timestamp
dt, ts = t - ts, t
try:
fps_graph.add(1. / dt)
except ZeroDivisionError:
pass
cpu_graph.update()
### RECORDING of Eye Video (on demand) ###
# Setup variables and lists for recording
if 'Rec_Start' == command:
record_path, raw_mode = payload
logger.info("Will save eye video to: %s" % record_path)
timestamps_path = os.path.join(record_path,
"eye%s_timestamps.npy" % eye_id)
if raw_mode and frame.jpeg_buffer:
video_path = os.path.join(record_path,
"eye%s.mp4" % eye_id)
writer = JPEG_Writer(video_path, cap.frame_rate)
else:
video_path = os.path.join(record_path,
"eye%s.mp4" % eye_id)
writer = AV_Writer(video_path, cap.frame_rate)
timestamps = []
elif 'Rec_Stop' == command:
logger.info("Done recording.")
writer.release()
writer = None
np.save(timestamps_path, np.asarray(timestamps))
del timestamps
if writer:
writer.write_video_frame(frame)
timestamps.append(frame.timestamp)
# pupil ellipse detection
result = g_pool.pupil_detector.detect(
frame, g_pool.u_r, g_pool.display_mode == 'algorithm')
result['id'] = eye_id
# stream the result
g_pool.pupil_queue.put(result)
# GL drawing
if window_should_update():
if not g_pool.iconified:
glfw.glfwMakeContextCurrent(main_window)
clear_gl_screen()
# switch to work in normalized coordinate space
if g_pool.display_mode == 'algorithm':
g_pool.image_tex.update_from_ndarray(frame.img)
elif g_pool.display_mode in ('camera_image', 'roi'):
g_pool.image_tex.update_from_ndarray(frame.gray)
else:
pass
make_coord_system_norm_based(g_pool.flip)
g_pool.image_tex.draw()
# switch to work in pixel space
make_coord_system_pixel_based(
(frame.height, frame.width, 3), g_pool.flip)
if result['confidence'] > 0:
if result.has_key('ellipse'):
pts = cv2.ellipse2Poly(
(int(result['ellipse']['center'][0]),
int(result['ellipse']['center'][1])),
(int(result['ellipse']['axes'][0] / 2),
int(result['ellipse']['axes'][1] / 2)),
int(result['ellipse']['angle']), 0, 360, 15)
draw_polyline(pts, 1, RGBA(1., 0, 0, .5))
draw_points([result['ellipse']['center']],
size=20,
color=RGBA(1., 0., 0., .5),
sharpness=1.)
# render graphs
graph.push_view()
fps_graph.draw()
cpu_graph.draw()
graph.pop_view()
# render GUI
g_pool.gui.update()
#render the ROI
if g_pool.display_mode == 'roi':
g_pool.u_r.draw(g_pool.gui.scale)
#update screen
glfw.glfwSwapBuffers(main_window)
glfw.glfwPollEvents()
g_pool.pupil_detector.visualize(
) #detector decides if we visualize or not
# END while running
# in case eye recording was still runnnig: Save&close
if writer:
logger.info("Done recording eye.")
writer = None
np.save(timestamps_path, np.asarray(timestamps))
glfw.glfwRestoreWindow(main_window) #need to do this for windows os
# save session persistent settings
session_settings['gui_scale'] = g_pool.gui.scale
session_settings['roi'] = g_pool.u_r.get()
session_settings['flip'] = g_pool.flip
session_settings['display_mode'] = g_pool.display_mode
session_settings['ui_config'] = g_pool.gui.configuration
session_settings['capture_settings'] = g_pool.capture.settings
session_settings['window_size'] = glfw.glfwGetWindowSize(main_window)
session_settings['window_position'] = glfw.glfwGetWindowPos(
main_window)
session_settings['version'] = g_pool.version
session_settings[
'last_pupil_detector'] = g_pool.pupil_detector.__class__.__name__
session_settings[
'pupil_detector_settings'] = g_pool.pupil_detector.get_settings()
session_settings.close()
g_pool.pupil_detector.cleanup()
g_pool.gui.terminate()
glfw.glfwDestroyWindow(main_window)
glfw.glfwTerminate()
cap.close()
logger.debug("Process done")
def _initialize(self):
self._texture = Named_Texture()
self.reset()
def world(g_pool,cap_src,cap_size):
"""world
Creates a window, gl context.
Grabs images from a capture.
Receives Pupil coordinates from eye process[es]
Can run various plug-ins.
"""
#manage plugins
runtime_plugins = import_runtime_plugins(os.path.join(g_pool.user_dir,'plugins'))
user_launchable_plugins = [Show_Calibration,Pupil_Server,Pupil_Sync,Marker_Detector]+runtime_plugins
system_plugins = [Log_Display,Display_Recent_Gaze,Recorder]
plugin_by_index = system_plugins+user_launchable_plugins+calibration_plugins+gaze_mapping_plugins
name_by_index = [p.__name__ for p in plugin_by_index]
plugin_by_name = dict(zip(name_by_index,plugin_by_index))
default_plugins = [('Log_Display',{}),('Dummy_Gaze_Mapper',{}),('Display_Recent_Gaze',{}), ('Screen_Marker_Calibration',{}),('Recorder',{})]
# Callback functions
def on_resize(window,w, h):
if not g_pool.iconified:
g_pool.gui.update_window(w,h)
g_pool.gui.collect_menus()
graph.adjust_size(w,h)
adjust_gl_view(w,h)
for p in g_pool.plugins:
p.on_window_resize(window,w,h)
def on_iconify(window,iconified):
g_pool.iconified = iconified
def on_key(window, key, scancode, action, mods):
g_pool.gui.update_key(key,scancode,action,mods)
def on_char(window,char):
g_pool.gui.update_char(char)
def on_button(window,button, action, mods):
g_pool.gui.update_button(button,action,mods)
pos = glfwGetCursorPos(window)
pos = normalize(pos,glfwGetWindowSize(main_window))
pos = denormalize(pos,(frame.img.shape[1],frame.img.shape[0]) ) # Position in img pixels
for p in g_pool.plugins:
p.on_click(pos,button,action)
def on_pos(window,x, y):
hdpi_factor = float(glfwGetFramebufferSize(window)[0]/glfwGetWindowSize(window)[0])
x,y = x*hdpi_factor,y*hdpi_factor
g_pool.gui.update_mouse(x,y)
def on_scroll(window,x,y):
g_pool.gui.update_scroll(x,y*scroll_factor)
def on_close(window):
g_pool.quit.value = True
logger.info('Process closing from window')
tick = delta_t()
def get_dt():
return next(tick)
# load session persistent settings
session_settings = Persistent_Dict(os.path.join(g_pool.user_dir,'user_settings_world'))
if session_settings.get("version",VersionFormat('0.0')) < g_pool.version:
logger.info("Session setting are from older version of this app. I will not use those.")
session_settings.clear()
# Initialize capture
cap = autoCreateCapture(cap_src, timebase=g_pool.timebase)
default_settings = {'frame_size':cap_size,'frame_rate':24}
previous_settings = session_settings.get('capture_settings',None)
if previous_settings and previous_settings['name'] == cap.name:
cap.settings = previous_settings
else:
cap.settings = default_settings
# Test capture
try:
frame = cap.get_frame()
except CameraCaptureError:
logger.error("Could not retrieve image from capture")
cap.close()
return
# any object we attach to the g_pool object *from now on* will only be visible to this process!
# vars should be declared here to make them visible to the code reader.
g_pool.iconified = False
g_pool.capture = cap
g_pool.pupil_confidence_threshold = session_settings.get('pupil_confidence_threshold',.6)
g_pool.active_calibration_plugin = None
def open_plugin(plugin):
if plugin == "Select to load":
return
g_pool.plugins.add(plugin)
def set_scale(new_scale):
g_pool.gui.scale = new_scale
g_pool.gui.collect_menus()
#window and gl setup
glfwInit()
width,height = session_settings.get('window_size',(frame.width, frame.height))
main_window = glfwCreateWindow(width,height, "World")
window_pos = session_settings.get('window_position',window_position_default)
glfwSetWindowPos(main_window,window_pos[0],window_pos[1])
glfwMakeContextCurrent(main_window)
cygl.utils.init()
#setup GUI
g_pool.gui = ui.UI()
g_pool.gui.scale = session_settings.get('gui_scale',1)
g_pool.sidebar = ui.Scrolling_Menu("Settings",pos=(-350,0),size=(0,0),header_pos='left')
general_settings = ui.Growing_Menu('General')
general_settings.append(ui.Slider('scale',g_pool.gui, setter=set_scale,step = .05,min=1.,max=2.5,label='Interface size'))
general_settings.append(ui.Button('Reset window size',lambda: glfwSetWindowSize(main_window,frame.width,frame.height)) )
general_settings.append(ui.Selector('Open plugin', selection = user_launchable_plugins,
labels = [p.__name__.replace('_',' ') for p in user_launchable_plugins],
setter= open_plugin, getter=lambda: "Select to load"))
general_settings.append(ui.Slider('pupil_confidence_threshold', g_pool,step = .01,min=0.,max=1.,label='Minimum pupil confidence'))
general_settings.append(ui.Info_Text('Capture Version: %s'%g_pool.version))
g_pool.sidebar.append(general_settings)
g_pool.calibration_menu = ui.Growing_Menu('Calibration')
g_pool.sidebar.append(g_pool.calibration_menu)
g_pool.gui.append(g_pool.sidebar)
g_pool.quickbar = ui.Stretching_Menu('Quick Bar',(0,100),(120,-100))
g_pool.gui.append(g_pool.quickbar)
g_pool.capture.init_gui(g_pool.sidebar)
#plugins that are loaded based on user settings from previous session
g_pool.notifications = []
g_pool.delayed_notifications = {}
g_pool.plugins = Plugin_List(g_pool,plugin_by_name,session_settings.get('loaded_plugins',default_plugins))
#We add the calibration menu selector, after a calibration has been added:
g_pool.calibration_menu.insert(0,ui.Selector('active_calibration_plugin',getter=lambda: g_pool.active_calibration_plugin.__class__, selection = calibration_plugins,
labels = [p.__name__.replace('_',' ') for p in calibration_plugins],
setter= open_plugin,label='Method'))
# Register callbacks main_window
glfwSetFramebufferSizeCallback(main_window,on_resize)
glfwSetWindowCloseCallback(main_window,on_close)
glfwSetWindowIconifyCallback(main_window,on_iconify)
glfwSetKeyCallback(main_window,on_key)
glfwSetCharCallback(main_window,on_char)
glfwSetMouseButtonCallback(main_window,on_button)
glfwSetCursorPosCallback(main_window,on_pos)
glfwSetScrollCallback(main_window,on_scroll)
# gl_state settings
basic_gl_setup()
g_pool.image_tex = Named_Texture()
g_pool.image_tex.update_from_frame(frame)
# refresh speed settings
glfwSwapInterval(0)
#trigger setup of window and gl sizes
on_resize(main_window, *glfwGetFramebufferSize(main_window))
#now the we have aproper window we can load the last gui configuration
g_pool.gui.configuration = session_settings.get('ui_config',{})
#set up performace graphs:
pid = os.getpid()
ps = psutil.Process(pid)
ts = frame.timestamp
cpu_graph = graph.Bar_Graph()
cpu_graph.pos = (20,130)
cpu_graph.update_fn = ps.cpu_percent
cpu_graph.update_rate = 5
cpu_graph.label = 'CPU %0.1f'
fps_graph = graph.Bar_Graph()
fps_graph.pos = (140,130)
fps_graph.update_rate = 5
fps_graph.label = "%0.0f FPS"
pupil_graph = graph.Bar_Graph(max_val=1.0)
pupil_graph.pos = (260,130)
pupil_graph.update_rate = 5
pupil_graph.label = "Confidence: %0.2f"
# Event loop
while not g_pool.quit.value:
# Get an image from the grabber
try:
frame = cap.get_frame()
except CameraCaptureError:
logger.error("Capture from camera failed. Stopping.")
break
except EndofVideoFileError:
logger.warning("Video file is done. Stopping")
break
#update performace graphs
t = frame.timestamp
dt,ts = t-ts,t
try:
fps_graph.add(1./dt)
except ZeroDivisionError:
pass
cpu_graph.update()
#a dictionary that allows plugins to post and read events
events = {}
#report time between now and the last loop interation
events['dt'] = get_dt()
#receive and map pupil positions
recent_pupil_positions = []
while not g_pool.pupil_queue.empty():
p = g_pool.pupil_queue.get()
recent_pupil_positions.append(p)
pupil_graph.add(p['confidence'])
events['pupil_positions'] = recent_pupil_positions
# publish delayed notifiactions when their time has come.
for n in g_pool.delayed_notifications.values():
if n['_notify_time_'] < time():
del n['_notify_time_']
del g_pool.delayed_notifications[n['subject']]
g_pool.notifications.append(n)
# notify each plugin if there are new notifications:
while g_pool.notifications:
n = g_pool.notifications.pop(0)
for p in g_pool.plugins:
p.on_notify(n)
# allow each Plugin to do its work.
for p in g_pool.plugins:
p.update(frame,events)
#check if a plugin need to be destroyed
g_pool.plugins.clean()
# render camera image
glfwMakeContextCurrent(main_window)
if g_pool.iconified:
pass
else:
g_pool.image_tex.update_from_frame(frame)
make_coord_system_norm_based()
g_pool.image_tex.draw()
make_coord_system_pixel_based((frame.height,frame.width,3))
# render visual feedback from loaded plugins
for p in g_pool.plugins:
p.gl_display()
if not g_pool.iconified:
graph.push_view()
fps_graph.draw()
cpu_graph.draw()
pupil_graph.draw()
graph.pop_view()
g_pool.gui.update()
glfwSwapBuffers(main_window)
glfwPollEvents()
glfwRestoreWindow(main_window) #need to do this for windows os
session_settings['loaded_plugins'] = g_pool.plugins.get_initializers()
session_settings['pupil_confidence_threshold'] = g_pool.pupil_confidence_threshold
session_settings['gui_scale'] = g_pool.gui.scale
session_settings['ui_config'] = g_pool.gui.configuration
session_settings['capture_settings'] = g_pool.capture.settings
session_settings['window_size'] = glfwGetWindowSize(main_window)
session_settings['window_position'] = glfwGetWindowPos(main_window)
session_settings['version'] = g_pool.version
session_settings.close()
# de-init all running plugins
for p in g_pool.plugins:
p.alive = False
g_pool.plugins.clean()
g_pool.gui.terminate()
glfwDestroyWindow(main_window)
glfwTerminate()
cap.close()
logger.debug("Process done")
def eye(
timebase,
is_alive_flag,
ipc_pub_url,
ipc_sub_url,
ipc_push_url,
user_dir,
version,
eye_id,
overwrite_cap_settings=None,
hide_ui=False,
):
"""reads eye video and detects the pupil.
Creates a window, gl context.
Grabs images from a capture.
Streams Pupil coordinates.
Reacts to notifications:
``set_detection_mapping_mode``: Sets detection method
``eye_process.should_stop``: Stops the eye process
``recording.started``: Starts recording eye video
``recording.stopped``: Stops recording eye video
``frame_publishing.started``: Starts frame publishing
``frame_publishing.stopped``: Stops frame publishing
``start_eye_plugin``: Start plugins in eye process
Emits notifications:
``eye_process.started``: Eye process started
``eye_process.stopped``: Eye process stopped
Emits data:
``pupil.<eye id>``: Pupil data for eye with id ``<eye id>``
``frame.eye.<eye id>``: Eye frames with id ``<eye id>``
"""
# We deferr the imports becasue of multiprocessing.
# Otherwise the world process each process also loads the other imports.
import zmq
import zmq_tools
zmq_ctx = zmq.Context()
ipc_socket = zmq_tools.Msg_Dispatcher(zmq_ctx, ipc_push_url)
pupil_socket = zmq_tools.Msg_Streamer(zmq_ctx, ipc_pub_url)
notify_sub = zmq_tools.Msg_Receiver(zmq_ctx,
ipc_sub_url,
topics=("notify", ))
# logging setup
import logging
logging.getLogger("OpenGL").setLevel(logging.ERROR)
logger = logging.getLogger()
logger.handlers = []
logger.setLevel(logging.NOTSET)
logger.addHandler(zmq_tools.ZMQ_handler(zmq_ctx, ipc_push_url))
# create logger for the context of this function
logger = logging.getLogger(__name__)
if is_alive_flag.value:
# indicates eye process that this is a duplicated startup
logger.warning("Aborting redundant eye process startup")
return
with Is_Alive_Manager(is_alive_flag, ipc_socket, eye_id, logger):
# general imports
import traceback
import numpy as np
import cv2
# display
import glfw
from pyglui import ui, graph, cygl
from pyglui.cygl.utils import draw_points, RGBA, draw_polyline
from pyglui.cygl.utils import Named_Texture
from gl_utils import basic_gl_setup, adjust_gl_view, clear_gl_screen
from gl_utils import make_coord_system_pixel_based
from gl_utils import make_coord_system_norm_based
from gl_utils import is_window_visible, glViewport
from ui_roi import UIRoi
# monitoring
import psutil
# Plug-ins
from plugin import Plugin_List
# helpers/utils
from uvc import get_time_monotonic
from file_methods import Persistent_Dict
from version_utils import VersionFormat
from methods import normalize, denormalize, timer
from av_writer import JPEG_Writer, MPEG_Writer
from ndsi import H264Writer
from video_capture import source_classes, manager_classes
from background_helper import IPC_Logging_Task_Proxy
from pupil_detector_plugins import available_detector_plugins
from pupil_detector_plugins.manager import PupilDetectorManager
IPC_Logging_Task_Proxy.push_url = ipc_push_url
def interrupt_handler(sig, frame):
import traceback
trace = traceback.format_stack(f=frame)
logger.debug(f"Caught signal {sig} in:\n" + "".join(trace))
# NOTE: Interrupt is handled in world/service/player which are responsible for
# shutting down the eye process properly
signal.signal(signal.SIGINT, interrupt_handler)
# UI Platform tweaks
if platform.system() == "Linux":
scroll_factor = 10.0
window_position_default = (600, 300 * eye_id + 30)
elif platform.system() == "Windows":
scroll_factor = 10.0
window_position_default = (600, 90 + 300 * eye_id)
else:
scroll_factor = 1.0
window_position_default = (600, 300 * eye_id)
icon_bar_width = 50
window_size = None
camera_render_size = None
hdpi_factor = 1.0
# g_pool holds variables for this process
g_pool = SimpleNamespace()
# make some constants avaiable
g_pool.user_dir = user_dir
g_pool.version = version
g_pool.app = "capture"
g_pool.eye_id = eye_id
g_pool.process = f"eye{eye_id}"
g_pool.timebase = timebase
g_pool.ipc_pub = ipc_socket
def get_timestamp():
return get_time_monotonic() - g_pool.timebase.value
g_pool.get_timestamp = get_timestamp
g_pool.get_now = get_time_monotonic
default_detector_cls, available_detectors = available_detector_plugins(
)
plugins = (manager_classes + source_classes + available_detectors +
[PupilDetectorManager])
g_pool.plugin_by_name = {p.__name__: p for p in plugins}
preferred_names = [
f"Pupil Cam3 ID{eye_id}",
f"Pupil Cam2 ID{eye_id}",
f"Pupil Cam1 ID{eye_id}",
]
if eye_id == 0:
preferred_names += ["HD-6000"]
default_capture_settings = (
"UVC_Source",
{
"preferred_names": preferred_names,
"frame_size": (320, 240),
"frame_rate": 120,
},
)
default_plugins = [
# TODO: extend with plugins
default_capture_settings,
("UVC_Manager", {}),
# Detector needs to be loaded first to set `g_pool.pupil_detector`
(default_detector_cls.__name__, {}),
("PupilDetectorManager", {}),
]
# Callback functions
def on_resize(window, w, h):
nonlocal window_size
nonlocal camera_render_size
nonlocal hdpi_factor
active_window = glfw.glfwGetCurrentContext()
glfw.glfwMakeContextCurrent(window)
hdpi_factor = glfw.getHDPIFactor(window)
g_pool.gui.scale = g_pool.gui_user_scale * hdpi_factor
window_size = w, h
camera_render_size = w - int(icon_bar_width * g_pool.gui.scale), h
g_pool.gui.update_window(w, h)
g_pool.gui.collect_menus()
for g in g_pool.graphs:
g.scale = hdpi_factor
g.adjust_window_size(w, h)
adjust_gl_view(w, h)
glfw.glfwMakeContextCurrent(active_window)
def on_window_key(window, key, scancode, action, mods):
g_pool.gui.update_key(key, scancode, action, mods)
def on_window_char(window, char):
g_pool.gui.update_char(char)
def on_iconify(window, iconified):
g_pool.iconified = iconified
def on_window_mouse_button(window, button, action, mods):
g_pool.gui.update_button(button, action, mods)
def on_pos(window, x, y):
x *= hdpi_factor
y *= hdpi_factor
g_pool.gui.update_mouse(x, y)
if g_pool.u_r.active_edit_pt:
pos = normalize((x, y), camera_render_size)
if g_pool.flip:
pos = 1 - pos[0], 1 - pos[1]
pos = denormalize(pos, g_pool.capture.frame_size)
g_pool.u_r.move_vertex(g_pool.u_r.active_pt_idx, pos)
def on_scroll(window, x, y):
g_pool.gui.update_scroll(x, y * scroll_factor)
def on_drop(window, count, paths):
paths = [paths[x].decode("utf-8") for x in range(count)]
for plugin in g_pool.plugins:
if plugin.on_drop(paths):
break
# load session persistent settings
session_settings = Persistent_Dict(
os.path.join(g_pool.user_dir,
"user_settings_eye{}".format(eye_id)))
if VersionFormat(session_settings.get("version",
"0.0")) != g_pool.version:
logger.info(
"Session setting are from a different version of this app. I will not use those."
)
session_settings.clear()
g_pool.iconified = False
g_pool.capture = None
g_pool.flip = session_settings.get("flip", False)
g_pool.display_mode = session_settings.get("display_mode",
"camera_image")
g_pool.display_mode_info_text = {
"camera_image":
"Raw eye camera image. This uses the least amount of CPU power",
"roi":
"Click and drag on the blue circles to adjust the region of interest. The region should be as small as possible, but large enough to capture all pupil movements.",
"algorithm":
"Algorithm display mode overlays a visualization of the pupil detection parameters on top of the eye video. Adjust parameters within the Pupil Detection menu below.",
}
def set_display_mode_info(val):
g_pool.display_mode = val
g_pool.display_mode_info.text = g_pool.display_mode_info_text[val]
def toggle_general_settings(collapsed):
# this is the menu toggle logic.
# Only one menu can be open.
# If no menu is open the menubar should collapse.
g_pool.menubar.collapsed = collapsed
for m in g_pool.menubar.elements:
m.collapsed = True
general_settings.collapsed = collapsed
# Initialize glfw
glfw.glfwInit()
if hide_ui:
glfw.glfwWindowHint(glfw.GLFW_VISIBLE, 0) # hide window
title = "Pupil Capture - eye {}".format(eye_id)
width, height = session_settings.get("window_size",
(640 + icon_bar_width, 480))
main_window = glfw.glfwCreateWindow(width, height, title, None, None)
window_pos = session_settings.get("window_position",
window_position_default)
glfw.glfwSetWindowPos(main_window, window_pos[0], window_pos[1])
glfw.glfwMakeContextCurrent(main_window)
cygl.utils.init()
# UI callback functions
def set_scale(new_scale):
g_pool.gui_user_scale = new_scale
on_resize(main_window, *glfw.glfwGetFramebufferSize(main_window))
# gl_state settings
basic_gl_setup()
g_pool.image_tex = Named_Texture()
g_pool.image_tex.update_from_ndarray(
np.ones((1, 1), dtype=np.uint8) + 125)
# setup GUI
g_pool.gui = ui.UI()
g_pool.gui_user_scale = session_settings.get("gui_scale", 1.0)
g_pool.menubar = ui.Scrolling_Menu("Settings",
pos=(-500, 0),
size=(-icon_bar_width, 0),
header_pos="left")
g_pool.iconbar = ui.Scrolling_Menu("Icons",
pos=(-icon_bar_width, 0),
size=(0, 0),
header_pos="hidden")
g_pool.gui.append(g_pool.menubar)
g_pool.gui.append(g_pool.iconbar)
general_settings = ui.Growing_Menu("General", header_pos="headline")
general_settings.append(
ui.Selector(
"gui_user_scale",
g_pool,
setter=set_scale,
selection=[0.8, 0.9, 1.0, 1.1, 1.2],
label="Interface Size",
))
def set_window_size():
f_width, f_height = g_pool.capture.frame_size
f_width *= 2
f_height *= 2
f_width += int(icon_bar_width * g_pool.gui.scale)
glfw.glfwSetWindowSize(main_window, f_width, f_height)
def uroi_on_mouse_button(button, action, mods):
if g_pool.display_mode == "roi":
if action == glfw.GLFW_RELEASE and g_pool.u_r.active_edit_pt:
g_pool.u_r.active_edit_pt = False
# if the roi interacts we dont want
# the gui to interact as well
return
elif action == glfw.GLFW_PRESS:
x, y = glfw.glfwGetCursorPos(main_window)
# pos = normalize(pos, glfw.glfwGetWindowSize(main_window))
x *= hdpi_factor
y *= hdpi_factor
pos = normalize((x, y), camera_render_size)
if g_pool.flip:
pos = 1 - pos[0], 1 - pos[1]
# Position in img pixels
pos = denormalize(
pos,
g_pool.capture.frame_size) # Position in img pixels
if g_pool.u_r.mouse_over_edit_pt(pos,
g_pool.u_r.handle_size,
g_pool.u_r.handle_size):
# if the roi interacts we dont want
# the gui to interact as well
return
general_settings.append(ui.Button("Reset window size",
set_window_size))
general_settings.append(
ui.Switch("flip", g_pool, label="Flip image display"))
general_settings.append(
ui.Selector(
"display_mode",
g_pool,
setter=set_display_mode_info,
selection=["camera_image", "roi", "algorithm"],
labels=["Camera Image", "ROI", "Algorithm"],
label="Mode",
))
g_pool.display_mode_info = ui.Info_Text(
g_pool.display_mode_info_text[g_pool.display_mode])
general_settings.append(g_pool.display_mode_info)
g_pool.menubar.append(general_settings)
icon = ui.Icon(
"collapsed",
general_settings,
label=chr(0xE8B8),
on_val=False,
off_val=True,
setter=toggle_general_settings,
label_font="pupil_icons",
)
icon.tooltip = "General Settings"
g_pool.iconbar.append(icon)
toggle_general_settings(False)
plugins_to_load = session_settings.get("loaded_plugins",
default_plugins)
if overwrite_cap_settings:
# Ensure that overwrite_cap_settings takes preference over source plugins
# with incorrect settings that were loaded from session settings.
plugins_to_load.append(overwrite_cap_settings)
g_pool.plugins = Plugin_List(g_pool, plugins_to_load)
g_pool.writer = None
g_pool.u_r = UIRoi(
(g_pool.capture.frame_size[1], g_pool.capture.frame_size[0]))
roi_user_settings = session_settings.get("roi")
if roi_user_settings and tuple(
roi_user_settings[-1]) == g_pool.u_r.get()[-1]:
g_pool.u_r.set(roi_user_settings)
# Register callbacks main_window
glfw.glfwSetFramebufferSizeCallback(main_window, on_resize)
glfw.glfwSetWindowIconifyCallback(main_window, on_iconify)
glfw.glfwSetKeyCallback(main_window, on_window_key)
glfw.glfwSetCharCallback(main_window, on_window_char)
glfw.glfwSetMouseButtonCallback(main_window, on_window_mouse_button)
glfw.glfwSetCursorPosCallback(main_window, on_pos)
glfw.glfwSetScrollCallback(main_window, on_scroll)
glfw.glfwSetDropCallback(main_window, on_drop)
# load last gui configuration
g_pool.gui.configuration = session_settings.get("ui_config", {})
# set up performance graphs
pid = os.getpid()
ps = psutil.Process(pid)
ts = g_pool.get_timestamp()
cpu_graph = graph.Bar_Graph()
cpu_graph.pos = (20, 50)
cpu_graph.update_fn = ps.cpu_percent
cpu_graph.update_rate = 5
cpu_graph.label = "CPU %0.1f"
fps_graph = graph.Bar_Graph()
fps_graph.pos = (140, 50)
fps_graph.update_rate = 5
fps_graph.label = "%0.0f FPS"
g_pool.graphs = [cpu_graph, fps_graph]
# set the last saved window size
on_resize(main_window, *glfw.glfwGetFramebufferSize(main_window))
should_publish_frames = False
frame_publish_format = "jpeg"
frame_publish_format_recent_warning = False
# create a timer to control window update frequency
window_update_timer = timer(1 / 60)
def window_should_update():
return next(window_update_timer)
logger.warning("Process started.")
frame = None
# Event loop
while not glfw.glfwWindowShouldClose(main_window):
if notify_sub.new_data:
t, notification = notify_sub.recv()
subject = notification["subject"]
if subject.startswith("eye_process.should_stop"):
if notification["eye_id"] == eye_id:
break
elif subject == "recording.started":
if notification["record_eye"] and g_pool.capture.online:
record_path = notification["rec_path"]
raw_mode = notification["compression"]
start_time_synced = notification["start_time_synced"]
logger.info(
"Will save eye video to: {}".format(record_path))
video_path = os.path.join(record_path,
"eye{}.mp4".format(eye_id))
if raw_mode and frame and g_pool.capture.jpeg_support:
g_pool.writer = JPEG_Writer(
video_path, start_time_synced)
elif hasattr(g_pool.capture._recent_frame,
"h264_buffer"):
g_pool.writer = H264Writer(
video_path,
g_pool.capture.frame_size[0],
g_pool.capture.frame_size[1],
g_pool.capture.frame_rate,
)
else:
g_pool.writer = MPEG_Writer(
video_path, start_time_synced)
elif subject == "recording.stopped":
if g_pool.writer:
logger.info("Done recording.")
try:
g_pool.writer.release()
except RuntimeError:
logger.error("No eye video recorded")
g_pool.writer = None
elif subject.startswith("meta.should_doc"):
ipc_socket.notify({
"subject": "meta.doc",
"actor": "eye{}".format(eye_id),
"doc": eye.__doc__,
})
elif subject.startswith("frame_publishing.started"):
should_publish_frames = True
frame_publish_format = notification.get("format", "jpeg")
elif subject.startswith("frame_publishing.stopped"):
should_publish_frames = False
frame_publish_format = "jpeg"
elif (subject.startswith("start_eye_plugin")
and notification["target"] == g_pool.process):
try:
g_pool.plugins.add(
g_pool.plugin_by_name[notification["name"]],
notification.get("args", {}),
)
except KeyError as err:
logger.error(f"Attempt to load unknown plugin: {err}")
for plugin in g_pool.plugins:
plugin.on_notify(notification)
event = {}
for plugin in g_pool.plugins:
plugin.recent_events(event)
frame = event.get("frame")
if frame:
f_width, f_height = g_pool.capture.frame_size
if (g_pool.u_r.array_shape[0], g_pool.u_r.array_shape[1]) != (
f_height,
f_width,
):
g_pool.pupil_detector.on_resolution_change(
(g_pool.u_r.array_shape[1], g_pool.u_r.array_shape[0]),
g_pool.capture.frame_size,
)
g_pool.u_r = UIRoi((f_height, f_width))
if should_publish_frames:
try:
if frame_publish_format == "jpeg":
data = frame.jpeg_buffer
elif frame_publish_format == "yuv":
data = frame.yuv_buffer
elif frame_publish_format == "bgr":
data = frame.bgr
elif frame_publish_format == "gray":
data = frame.gray
assert data is not None
except (AttributeError, AssertionError, NameError):
if not frame_publish_format_recent_warning:
frame_publish_format_recent_warning = True
logger.warning(
'{}s are not compatible with format "{}"'.
format(type(frame), frame_publish_format))
else:
frame_publish_format_recent_warning = False
pupil_socket.send({
"topic":
"frame.eye.{}".format(eye_id),
"width":
frame.width,
"height":
frame.height,
"index":
frame.index,
"timestamp":
frame.timestamp,
"format":
frame_publish_format,
"__raw_data__": [data],
})
t = frame.timestamp
dt, ts = t - ts, t
try:
fps_graph.add(1.0 / dt)
except ZeroDivisionError:
pass
if g_pool.writer:
g_pool.writer.write_video_frame(frame)
result = event.get("pupil_detection_result", None)
if result is not None:
pupil_socket.send(result)
cpu_graph.update()
# GL drawing
if window_should_update():
if is_window_visible(main_window):
glfw.glfwMakeContextCurrent(main_window)
clear_gl_screen()
glViewport(0, 0, *camera_render_size)
for p in g_pool.plugins:
p.gl_display()
glViewport(0, 0, *camera_render_size)
# render the ROI
g_pool.u_r.draw(g_pool.gui.scale)
if g_pool.display_mode == "roi":
g_pool.u_r.draw_points(g_pool.gui.scale)
glViewport(0, 0, *window_size)
# render graphs
fps_graph.draw()
cpu_graph.draw()
# render GUI
try:
clipboard = glfw.glfwGetClipboardString(
main_window).decode()
except AttributeError: # clipboard is None, might happen on startup
clipboard = ""
g_pool.gui.update_clipboard(clipboard)
user_input = g_pool.gui.update()
if user_input.clipboard != clipboard:
# only write to clipboard if content changed
glfw.glfwSetClipboardString(
main_window, user_input.clipboard.encode())
for button, action, mods in user_input.buttons:
x, y = glfw.glfwGetCursorPos(main_window)
pos = x * hdpi_factor, y * hdpi_factor
pos = normalize(pos, camera_render_size)
# Position in img pixels
pos = denormalize(pos, g_pool.capture.frame_size)
for plugin in g_pool.plugins:
if plugin.on_click(pos, button, action):
break
for key, scancode, action, mods in user_input.keys:
for plugin in g_pool.plugins:
if plugin.on_key(key, scancode, action, mods):
break
for char_ in user_input.chars:
for plugin in g_pool.plugins:
if plugin.on_char(char_):
break
# update screen
glfw.glfwSwapBuffers(main_window)
glfw.glfwPollEvents()
# END while running
# in case eye recording was still runnnig: Save&close
if g_pool.writer:
logger.info("Done recording eye.")
g_pool.writer.release()
g_pool.writer = None
session_settings["loaded_plugins"] = g_pool.plugins.get_initializers()
# save session persistent settings
session_settings["gui_scale"] = g_pool.gui_user_scale
session_settings["roi"] = g_pool.u_r.get()
session_settings["flip"] = g_pool.flip
session_settings["display_mode"] = g_pool.display_mode
session_settings["ui_config"] = g_pool.gui.configuration
session_settings["version"] = str(g_pool.version)
if not hide_ui:
glfw.glfwRestoreWindow(
main_window) # need to do this for windows os
session_settings["window_position"] = glfw.glfwGetWindowPos(
main_window)
session_window_size = glfw.glfwGetWindowSize(main_window)
if 0 not in session_window_size:
session_settings["window_size"] = session_window_size
session_settings.close()
for plugin in g_pool.plugins:
plugin.alive = False
g_pool.plugins.clean()
glfw.glfwDestroyWindow(main_window)
g_pool.gui.terminate()
glfw.glfwTerminate()
logger.info("Process shutting down.")
def world(
timebase,
eye_procs_alive,
ipc_pub_url,
ipc_sub_url,
ipc_push_url,
user_dir,
version,
preferred_remote_port,
hide_ui,
debug,
):
"""Reads world video and runs plugins.
Creates a window, gl context.
Grabs images from a capture.
Maps pupil to gaze data
Can run various plug-ins.
Reacts to notifications:
``eye_process.started``
``start_plugin``
``should_stop``
Emits notifications:
``eye_process.should_start``
``eye_process.should_stop``
``world_process.started``
``world_process.stopped``
``recording.should_stop``: Emits on camera failure
``launcher_process.should_stop``
Emits data:
``gaze``: Gaze data from current gaze mapping plugin.``
``*``: any other plugin generated data in the events
that it not [dt,pupil,gaze].
"""
# We defer the imports because of multiprocessing.
# Otherwise the world process each process also loads the other imports.
# This is not harmful but unnecessary.
# general imports
from time import sleep
import logging
# networking
import zmq
import zmq_tools
# zmq ipc setup
zmq_ctx = zmq.Context()
ipc_pub = zmq_tools.Msg_Dispatcher(zmq_ctx, ipc_push_url)
notify_sub = zmq_tools.Msg_Receiver(zmq_ctx, ipc_sub_url, topics=("notify",))
# log setup
logging.getLogger("OpenGL").setLevel(logging.ERROR)
logger = logging.getLogger()
logger.handlers = []
logger.setLevel(logging.NOTSET)
logger.addHandler(zmq_tools.ZMQ_handler(zmq_ctx, ipc_push_url))
# create logger for the context of this function
logger = logging.getLogger(__name__)
def launch_eye_process(eye_id, delay=0):
n = {
"subject": "eye_process.should_start.{}".format(eye_id),
"eye_id": eye_id,
"delay": delay,
}
ipc_pub.notify(n)
def stop_eye_process(eye_id):
n = {
"subject": "eye_process.should_stop.{}".format(eye_id),
"eye_id": eye_id,
"delay": 0.2,
}
ipc_pub.notify(n)
def start_stop_eye(eye_id, make_alive):
if make_alive:
launch_eye_process(eye_id)
else:
stop_eye_process(eye_id)
def detection_enabled_getter() -> bool:
return g_pool.pupil_detection_enabled
def detection_enabled_setter(is_on: bool):
g_pool.pupil_detection_enabled = is_on
n = {"subject": "set_pupil_detection_enabled", "value": is_on}
ipc_pub.notify(n)
try:
from background_helper import IPC_Logging_Task_Proxy
IPC_Logging_Task_Proxy.push_url = ipc_push_url
from tasklib.background.patches import IPCLoggingPatch
IPCLoggingPatch.ipc_push_url = ipc_push_url
from OpenGL.GL import GL_COLOR_BUFFER_BIT
# display
import glfw
glfw.ERROR_REPORTING = "raise"
from version_utils import parse_version
from pyglui import ui, cygl, __version__ as pyglui_version
assert parse_version(pyglui_version) >= parse_version(
"1.27"
), "pyglui out of date, please upgrade to newest version"
from pyglui.cygl.utils import Named_Texture
import gl_utils
# helpers/utils
from file_methods import Persistent_Dict
from methods import normalize, denormalize, delta_t, get_system_info, timer
from uvc import get_time_monotonic
logger.info("Application Version: {}".format(version))
logger.info("System Info: {}".format(get_system_info()))
logger.debug(f"Debug flag: {debug}")
import audio
# Plug-ins
from plugin import (
Plugin,
System_Plugin_Base,
Plugin_List,
import_runtime_plugins,
)
from plugin_manager import Plugin_Manager
from calibration_choreography import (
available_calibration_choreography_plugins,
CalibrationChoreographyPlugin,
patch_loaded_plugins_with_choreography_plugin,
)
available_choreography_plugins = available_calibration_choreography_plugins()
from gaze_mapping import registered_gazer_classes
from gaze_mapping.gazer_base import GazerBase
from pupil_detector_plugins.detector_base_plugin import PupilDetectorPlugin
from fixation_detector import Fixation_Detector
from recorder import Recorder
from display_recent_gaze import Display_Recent_Gaze
from time_sync import Time_Sync
from network_api import NetworkApiPlugin
from pupil_groups import Pupil_Groups
from surface_tracker import Surface_Tracker_Online
from log_display import Log_Display
from annotations import Annotation_Capture
from log_history import Log_History
from blink_detection import Blink_Detection
from video_capture import (
source_classes,
manager_classes,
Base_Manager,
Base_Source,
)
from pupil_data_relay import Pupil_Data_Relay
from remote_recorder import Remote_Recorder
from accuracy_visualizer import Accuracy_Visualizer
from system_graphs import System_Graphs
from camera_intrinsics_estimation import Camera_Intrinsics_Estimation
from hololens_relay import Hololens_Relay
from head_pose_tracker.online_head_pose_tracker import Online_Head_Pose_Tracker
# UI Platform tweaks
if platform.system() == "Linux":
scroll_factor = 10.0
window_position_default = (30, 30)
elif platform.system() == "Windows":
scroll_factor = 10.0
window_position_default = (8, 90)
else:
scroll_factor = 1.0
window_position_default = (0, 0)
process_was_interrupted = False
def interrupt_handler(sig, frame):
import traceback
trace = traceback.format_stack(f=frame)
logger.debug(f"Caught signal {sig} in:\n" + "".join(trace))
nonlocal process_was_interrupted
process_was_interrupted = True
signal.signal(signal.SIGINT, interrupt_handler)
icon_bar_width = 50
window_size = None
camera_render_size = None
content_scale = 1.0
# g_pool holds variables for this process they are accessible to all plugins
g_pool = SimpleNamespace()
g_pool.debug = debug
g_pool.app = "capture"
g_pool.process = "world"
g_pool.user_dir = user_dir
g_pool.version = version
g_pool.timebase = timebase
g_pool.zmq_ctx = zmq_ctx
g_pool.ipc_pub = ipc_pub
g_pool.ipc_pub_url = ipc_pub_url
g_pool.ipc_sub_url = ipc_sub_url
g_pool.ipc_push_url = ipc_push_url
g_pool.eye_procs_alive = eye_procs_alive
g_pool.preferred_remote_port = preferred_remote_port
def get_timestamp():
return get_time_monotonic() - g_pool.timebase.value
g_pool.get_timestamp = get_timestamp
g_pool.get_now = get_time_monotonic
# manage plugins
runtime_plugins = import_runtime_plugins(
os.path.join(g_pool.user_dir, "plugins")
)
runtime_plugins = [
p for p in runtime_plugins if not issubclass(p, PupilDetectorPlugin)
]
user_plugins = [
Pupil_Groups,
NetworkApiPlugin,
Time_Sync,
Surface_Tracker_Online,
Annotation_Capture,
Log_History,
Fixation_Detector,
Blink_Detection,
Remote_Recorder,
Accuracy_Visualizer,
Camera_Intrinsics_Estimation,
Hololens_Relay,
Online_Head_Pose_Tracker,
]
system_plugins = (
[
Log_Display,
Display_Recent_Gaze,
Recorder,
Pupil_Data_Relay,
Plugin_Manager,
System_Graphs,
]
+ manager_classes
+ source_classes
)
plugins = (
system_plugins
+ user_plugins
+ runtime_plugins
+ available_choreography_plugins
+ registered_gazer_classes()
)
user_plugins += [
p
for p in runtime_plugins
if not isinstance(
p,
(
Base_Manager,
Base_Source,
System_Plugin_Base,
CalibrationChoreographyPlugin,
GazerBase,
),
)
]
g_pool.plugin_by_name = {p.__name__: p for p in plugins}
default_capture_name = "UVC_Source"
default_capture_settings = {
"preferred_names": [
"Pupil Cam1 ID2",
"Logitech Camera",
"(046d:081d)",
"C510",
"B525",
"C525",
"C615",
"C920",
"C930e",
],
"frame_size": (1280, 720),
"frame_rate": 30,
}
default_plugins = [
(default_capture_name, default_capture_settings),
("Pupil_Data_Relay", {}),
("UVC_Manager", {}),
("NDSI_Manager", {}),
("HMD_Streaming_Manager", {}),
("File_Manager", {}),
("Log_Display", {}),
("Dummy_Gaze_Mapper", {}),
("Display_Recent_Gaze", {}),
# Calibration choreography plugin is added below by calling
# patch_loaded_plugins_with_choreography_plugin
("Recorder", {}),
("NetworkApiPlugin", {}),
("Fixation_Detector", {}),
("Blink_Detection", {}),
("Accuracy_Visualizer", {}),
("Plugin_Manager", {}),
("System_Graphs", {}),
]
def consume_events_and_render_buffer():
gl_utils.glViewport(0, 0, *camera_render_size)
for p in g_pool.plugins:
p.gl_display()
gl_utils.glViewport(0, 0, *window_size)
try:
clipboard = glfw.get_clipboard_string(main_window).decode()
except (AttributeError, glfw.GLFWError):
# clipboard is None, might happen on startup
clipboard = ""
g_pool.gui.update_clipboard(clipboard)
user_input = g_pool.gui.update()
if user_input.clipboard != clipboard:
# only write to clipboard if content changed
glfw.set_clipboard_string(main_window, user_input.clipboard)
for button, action, mods in user_input.buttons:
x, y = glfw.get_cursor_pos(main_window)
pos = gl_utils.window_coordinate_to_framebuffer_coordinate(
main_window, x, y, cached_scale=None
)
pos = normalize(pos, camera_render_size)
# Position in img pixels
pos = denormalize(pos, g_pool.capture.frame_size)
for plugin in g_pool.plugins:
if plugin.on_click(pos, button, action):
break
for key, scancode, action, mods in user_input.keys:
for plugin in g_pool.plugins:
if plugin.on_key(key, scancode, action, mods):
break
for char_ in user_input.chars:
for plugin in g_pool.plugins:
if plugin.on_char(char_):
break
glfw.swap_buffers(main_window)
# Callback functions
def on_resize(window, w, h):
nonlocal window_size
nonlocal camera_render_size
nonlocal content_scale
if w == 0 or h == 0:
return
# Always clear buffers on resize to make sure that there are no overlapping
# artifacts from previous frames.
gl_utils.glClear(GL_COLOR_BUFFER_BIT)
gl_utils.glClearColor(0, 0, 0, 1)
content_scale = gl_utils.get_content_scale(window)
framebuffer_scale = gl_utils.get_framebuffer_scale(window)
g_pool.gui.scale = content_scale
window_size = w, h
camera_render_size = w - int(icon_bar_width * g_pool.gui.scale), h
g_pool.gui.update_window(*window_size)
g_pool.gui.collect_menus()
for p in g_pool.plugins:
p.on_window_resize(window, *camera_render_size)
# Minimum window size required, otherwise parts of the UI can cause openGL
# issues with permanent effects. Depends on the content scale, which can
# potentially be dynamically modified, so we re-adjust the size limits every
# time here.
min_size = int(2 * icon_bar_width * g_pool.gui.scale / framebuffer_scale)
glfw.set_window_size_limits(
window,
min_size,
min_size,
glfw.DONT_CARE,
glfw.DONT_CARE,
)
# Needed, to update the window buffer while resizing
consume_events_and_render_buffer()
def on_window_key(window, key, scancode, action, mods):
g_pool.gui.update_key(key, scancode, action, mods)
def on_window_char(window, char):
g_pool.gui.update_char(char)
def on_window_mouse_button(window, button, action, mods):
g_pool.gui.update_button(button, action, mods)
def on_pos(window, x, y):
x, y = gl_utils.window_coordinate_to_framebuffer_coordinate(
window, x, y, cached_scale=None
)
g_pool.gui.update_mouse(x, y)
pos = x, y
pos = normalize(pos, camera_render_size)
# Position in img pixels
pos = denormalize(pos, g_pool.capture.frame_size)
for p in g_pool.plugins:
p.on_pos(pos)
def on_scroll(window, x, y):
g_pool.gui.update_scroll(x, y * scroll_factor)
def on_drop(window, paths):
for plugin in g_pool.plugins:
if plugin.on_drop(paths):
break
tick = delta_t()
def get_dt():
return next(tick)
# load session persistent settings
session_settings = Persistent_Dict(
os.path.join(g_pool.user_dir, "user_settings_world")
)
if parse_version(session_settings.get("version", "0.0")) != g_pool.version:
logger.info(
"Session setting are from a different version of this app. I will not use those."
)
session_settings.clear()
g_pool.min_data_confidence = 0.6
g_pool.min_calibration_confidence = session_settings.get(
"min_calibration_confidence", 0.8
)
g_pool.pupil_detection_enabled = session_settings.get(
"pupil_detection_enabled", True
)
g_pool.active_gaze_mapping_plugin = None
g_pool.capture = None
audio.set_audio_mode(
session_settings.get("audio_mode", audio.get_default_audio_mode())
)
def handle_notifications(noti):
subject = noti["subject"]
if subject == "set_pupil_detection_enabled":
g_pool.pupil_detection_enabled = noti["value"]
elif subject == "start_plugin":
try:
g_pool.plugins.add(
g_pool.plugin_by_name[noti["name"]], args=noti.get("args", {})
)
except KeyError as err:
logger.error(f"Attempt to load unknown plugin: {err}")
elif subject == "stop_plugin":
for p in g_pool.plugins:
if p.class_name == noti["name"]:
p.alive = False
g_pool.plugins.clean()
elif subject == "eye_process.started":
noti = {
"subject": "set_pupil_detection_enabled",
"value": g_pool.pupil_detection_enabled,
}
ipc_pub.notify(noti)
elif subject == "set_min_calibration_confidence":
g_pool.min_calibration_confidence = noti["value"]
elif subject.startswith("meta.should_doc"):
ipc_pub.notify(
{"subject": "meta.doc", "actor": g_pool.app, "doc": world.__doc__}
)
for p in g_pool.plugins:
if (
p.on_notify.__doc__
and p.__class__.on_notify != Plugin.on_notify
):
ipc_pub.notify(
{
"subject": "meta.doc",
"actor": p.class_name,
"doc": p.on_notify.__doc__,
}
)
elif subject == "world_process.adapt_window_size":
set_window_size()
elif subject == "world_process.should_stop":
glfw.set_window_should_close(main_window, True)
width, height = session_settings.get(
"window_size", (1280 + icon_bar_width, 720)
)
# window and gl setup
glfw.init()
glfw.window_hint(glfw.SCALE_TO_MONITOR, glfw.TRUE)
if hide_ui:
glfw.window_hint(glfw.VISIBLE, 0) # hide window
main_window = glfw.create_window(
width, height, "Pupil Capture - World", None, None
)
window_position_manager = gl_utils.WindowPositionManager()
window_pos = window_position_manager.new_window_position(
window=main_window,
default_position=window_position_default,
previous_position=session_settings.get("window_position", None),
)
glfw.set_window_pos(main_window, window_pos[0], window_pos[1])
glfw.make_context_current(main_window)
cygl.utils.init()
g_pool.main_window = main_window
def reset_restart():
logger.warning("Resetting all settings and restarting Capture.")
glfw.set_window_should_close(main_window, True)
ipc_pub.notify({"subject": "clear_settings_process.should_start"})
ipc_pub.notify({"subject": "world_process.should_start", "delay": 2.0})
def toggle_general_settings(collapsed):
# this is the menu toggle logic.
# Only one menu can be open.
# If no menu is opened, the menubar should collapse.
g_pool.menubar.collapsed = collapsed
for m in g_pool.menubar.elements:
m.collapsed = True
general_settings.collapsed = collapsed
# setup GUI
g_pool.gui = ui.UI()
g_pool.menubar = ui.Scrolling_Menu(
"Settings", pos=(-400, 0), size=(-icon_bar_width, 0), header_pos="left"
)
g_pool.iconbar = ui.Scrolling_Menu(
"Icons", pos=(-icon_bar_width, 0), size=(0, 0), header_pos="hidden"
)
g_pool.quickbar = ui.Stretching_Menu("Quick Bar", (0, 100), (120, -100))
g_pool.gui.append(g_pool.menubar)
g_pool.gui.append(g_pool.iconbar)
g_pool.gui.append(g_pool.quickbar)
general_settings = ui.Growing_Menu("General", header_pos="headline")
def set_window_size():
# Get current capture frame size
f_width, f_height = g_pool.capture.frame_size
# Get current display scale factor
content_scale = gl_utils.get_content_scale(main_window)
framebuffer_scale = gl_utils.get_framebuffer_scale(main_window)
display_scale_factor = content_scale / framebuffer_scale
# Scale the capture frame size by display scale factor
f_width *= display_scale_factor
f_height *= display_scale_factor
# Increas the width to account for the added scaled icon bar width
f_width += icon_bar_width * display_scale_factor
# Set the newly calculated size (scaled capture frame size + scaled icon bar width)
glfw.set_window_size(main_window, int(f_width), int(f_height))
general_settings.append(ui.Button("Reset window size", set_window_size))
general_settings.append(
ui.Selector(
"Audio mode",
None,
getter=audio.get_audio_mode,
setter=audio.set_audio_mode,
selection=audio.get_audio_mode_list(),
)
)
general_settings.append(
ui.Switch(
"pupil_detection_enabled",
label="Pupil detection",
getter=detection_enabled_getter,
setter=detection_enabled_setter,
)
)
general_settings.append(
ui.Switch(
"eye0_process",
label="Detect eye 0",
setter=lambda alive: start_stop_eye(0, alive),
getter=lambda: eye_procs_alive[0].value,
)
)
general_settings.append(
ui.Switch(
"eye1_process",
label="Detect eye 1",
setter=lambda alive: start_stop_eye(1, alive),
getter=lambda: eye_procs_alive[1].value,
)
)
general_settings.append(
ui.Info_Text("Capture Version: {}".format(g_pool.version))
)
general_settings.append(
ui.Button("Restart with default settings", reset_restart)
)
g_pool.menubar.append(general_settings)
icon = ui.Icon(
"collapsed",
general_settings,
label=chr(0xE8B8),
on_val=False,
off_val=True,
setter=toggle_general_settings,
label_font="pupil_icons",
)
icon.tooltip = "General Settings"
g_pool.iconbar.append(icon)
user_plugin_separator = ui.Separator()
user_plugin_separator.order = 0.35
g_pool.iconbar.append(user_plugin_separator)
loaded_plugins = session_settings.get("loaded_plugins", default_plugins)
# Resolve the active calibration choreography plugin
loaded_plugins = patch_loaded_plugins_with_choreography_plugin(
loaded_plugins, app=g_pool.app
)
session_settings["loaded_plugins"] = loaded_plugins
# plugins that are loaded based on user settings from previous session
g_pool.plugins = Plugin_List(g_pool, loaded_plugins)
if not g_pool.capture:
# Make sure we always have a capture running. Important if there was no
# capture stored in session settings.
g_pool.plugins.add(
g_pool.plugin_by_name[default_capture_name], default_capture_settings
)
# Register callbacks main_window
glfw.set_framebuffer_size_callback(main_window, on_resize)
glfw.set_key_callback(main_window, on_window_key)
glfw.set_char_callback(main_window, on_window_char)
glfw.set_mouse_button_callback(main_window, on_window_mouse_button)
glfw.set_cursor_pos_callback(main_window, on_pos)
glfw.set_scroll_callback(main_window, on_scroll)
glfw.set_drop_callback(main_window, on_drop)
# gl_state settings
gl_utils.basic_gl_setup()
g_pool.image_tex = Named_Texture()
toggle_general_settings(True)
# now that we have a proper window we can load the last gui configuration
g_pool.gui.configuration = session_settings.get("ui_config", {})
# If previously selected plugin was not loaded this time, we will have an
# expanded menubar without any menu selected. We need to ensure the menubar is
# collapsed in this case.
if all(submenu.collapsed for submenu in g_pool.menubar.elements):
g_pool.menubar.collapsed = True
# create a timer to control window update frequency
window_update_timer = timer(1 / 60)
def window_should_update():
return next(window_update_timer)
# trigger setup of window and gl sizes
on_resize(main_window, *glfw.get_framebuffer_size(main_window))
if session_settings.get("eye1_process_alive", True):
launch_eye_process(1, delay=0.6)
if session_settings.get("eye0_process_alive", True):
launch_eye_process(0, delay=0.3)
ipc_pub.notify({"subject": "world_process.started"})
logger.warning("Process started.")
if platform.system() == "Darwin":
# On macOS, calls to glfw.swap_buffers() deliberately take longer in case of
# occluded windows, based on the swap interval value. This causes an FPS drop
# and leads to problems when recording. To side-step this behaviour, the swap
# interval is set to zero.
#
# Read more about window occlusion on macOS here:
# https://developer.apple.com/library/archive/documentation/Performance/Conceptual/power_efficiency_guidelines_osx/WorkWhenVisible.html
glfw.swap_interval(0)
# Event loop
while not glfw.window_should_close(main_window) and not process_was_interrupted:
# fetch newest notifications
new_notifications = []
while notify_sub.new_data:
t, n = notify_sub.recv()
new_notifications.append(n)
# notify each plugin if there are new notifications:
for n in new_notifications:
handle_notifications(n)
for p in g_pool.plugins:
p.on_notify(n)
# a dictionary that allows plugins to post and read events
events = {}
# report time between now and the last loop interation
events["dt"] = get_dt()
# allow each Plugin to do its work.
for p in g_pool.plugins:
p.recent_events(events)
# check if a plugin need to be destroyed
g_pool.plugins.clean()
# "blacklisted" events that were already sent
del events["pupil"]
del events["gaze"]
# delete if exists. More expensive than del, so only use it when key might not exist
events.pop("annotation", None)
# send new events to ipc:
if "frame" in events:
del events["frame"] # send explicitly with frame publisher
if "depth_frame" in events:
del events["depth_frame"]
if "audio_packets" in events:
del events["audio_packets"]
del events["dt"] # no need to send this
for data in events.values():
assert isinstance(data, (list, tuple))
for d in data:
ipc_pub.send(d)
glfw.make_context_current(main_window)
# render visual feedback from loaded plugins
glfw.poll_events()
if window_should_update() and gl_utils.is_window_visible(main_window):
gl_utils.glViewport(0, 0, *camera_render_size)
for p in g_pool.plugins:
p.gl_display()
gl_utils.glViewport(0, 0, *window_size)
try:
clipboard = glfw.get_clipboard_string(main_window).decode()
except (AttributeError, glfw.GLFWError):
# clipboard is None, might happen on startup
clipboard = ""
g_pool.gui.update_clipboard(clipboard)
user_input = g_pool.gui.update()
if user_input.clipboard != clipboard:
# only write to clipboard if content changed
glfw.set_clipboard_string(main_window, user_input.clipboard)
for button, action, mods in user_input.buttons:
x, y = glfw.get_cursor_pos(main_window)
pos = gl_utils.window_coordinate_to_framebuffer_coordinate(
main_window, x, y, cached_scale=None
)
pos = normalize(pos, camera_render_size)
# Position in img pixels
pos = denormalize(pos, g_pool.capture.frame_size)
for plugin in g_pool.plugins:
if plugin.on_click(pos, button, action):
break
for key, scancode, action, mods in user_input.keys:
for plugin in g_pool.plugins:
if plugin.on_key(key, scancode, action, mods):
break
for char_ in user_input.chars:
for plugin in g_pool.plugins:
if plugin.on_char(char_):
break
glfw.swap_buffers(main_window)
session_settings["loaded_plugins"] = g_pool.plugins.get_initializers()
session_settings["ui_config"] = g_pool.gui.configuration
session_settings["version"] = str(g_pool.version)
session_settings["eye0_process_alive"] = eye_procs_alive[0].value
session_settings["eye1_process_alive"] = eye_procs_alive[1].value
session_settings[
"min_calibration_confidence"
] = g_pool.min_calibration_confidence
session_settings["pupil_detection_enabled"] = g_pool.pupil_detection_enabled
session_settings["audio_mode"] = audio.get_audio_mode()
if not hide_ui:
glfw.restore_window(main_window) # need to do this for windows os
session_settings["window_position"] = glfw.get_window_pos(main_window)
session_window_size = glfw.get_window_size(main_window)
if 0 not in session_window_size:
f_width, f_height = session_window_size
if platform.system() in ("Windows", "Linux"):
f_width, f_height = (
f_width / content_scale,
f_height / content_scale,
)
session_settings["window_size"] = int(f_width), int(f_height)
session_settings.close()
# de-init all running plugins
for p in g_pool.plugins:
p.alive = False
g_pool.plugins.clean()
g_pool.gui.terminate()
glfw.destroy_window(main_window)
glfw.terminate()
except Exception:
import traceback
trace = traceback.format_exc()
logger.error("Process Capture crashed with trace:\n{}".format(trace))
finally:
# shut down eye processes:
stop_eye_process(0)
stop_eye_process(1)
logger.info("Process shutting down.")
ipc_pub.notify({"subject": "world_process.stopped"})
sleep(1.0)
def eye(
timebase,
is_alive_flag,
ipc_pub_url,
ipc_sub_url,
ipc_push_url,
user_dir,
version,
eye_id,
overwrite_cap_settings=None,
hide_ui=False,
debug=False,
pub_socket_hwm=None,
parent_application="capture",
):
"""reads eye video and detects the pupil.
Creates a window, gl context.
Grabs images from a capture.
Streams Pupil coordinates.
Reacts to notifications:
``eye_process.should_stop``: Stops the eye process
``recording.started``: Starts recording eye video
``recording.stopped``: Stops recording eye video
``frame_publishing.started``: Starts frame publishing
``frame_publishing.stopped``: Stops frame publishing
``start_eye_plugin``: Start plugins in eye process
Emits notifications:
``eye_process.started``: Eye process started
``eye_process.stopped``: Eye process stopped
Emits data:
``pupil.<eye id>``: Pupil data for eye with id ``<eye id>``
``frame.eye.<eye id>``: Eye frames with id ``<eye id>``
"""
# We deferr the imports becasue of multiprocessing.
# Otherwise the world process each process also loads the other imports.
import zmq
import zmq_tools
zmq_ctx = zmq.Context()
ipc_socket = zmq_tools.Msg_Dispatcher(zmq_ctx, ipc_push_url)
pupil_socket = zmq_tools.Msg_Streamer(zmq_ctx, ipc_pub_url, pub_socket_hwm)
notify_sub = zmq_tools.Msg_Receiver(zmq_ctx, ipc_sub_url, topics=("notify",))
# logging setup
import logging
logging.getLogger("OpenGL").setLevel(logging.ERROR)
logger = logging.getLogger()
logger.handlers = []
logger.setLevel(logging.NOTSET)
logger.addHandler(zmq_tools.ZMQ_handler(zmq_ctx, ipc_push_url))
# create logger for the context of this function
logger = logging.getLogger(__name__)
if is_alive_flag.value:
# indicates eye process that this is a duplicated startup
logger.warning("Aborting redundant eye process startup")
return
with Is_Alive_Manager(is_alive_flag, ipc_socket, eye_id, logger):
# general imports
import traceback
import numpy as np
import cv2
from OpenGL.GL import GL_COLOR_BUFFER_BIT
# display
import glfw
from gl_utils import GLFWErrorReporting
GLFWErrorReporting.set_default()
from pyglui import ui, graph, cygl
from pyglui.cygl.utils import Named_Texture
import gl_utils
from gl_utils import basic_gl_setup, adjust_gl_view, clear_gl_screen
from gl_utils import make_coord_system_pixel_based
from gl_utils import make_coord_system_norm_based
from gl_utils import is_window_visible, glViewport
# monitoring
import psutil
# Plug-ins
from plugin import Plugin_List
# helpers/utils
from uvc import get_time_monotonic
from file_methods import Persistent_Dict
from version_utils import parse_version
from methods import normalize, denormalize, timer
from av_writer import JPEG_Writer, MPEG_Writer, NonMonotonicTimestampError
from ndsi import H264Writer
from video_capture import source_classes, manager_classes
from roi import Roi
from background_helper import IPC_Logging_Task_Proxy
from pupil_detector_plugins import available_detector_plugins, EVENT_KEY
IPC_Logging_Task_Proxy.push_url = ipc_push_url
def interrupt_handler(sig, frame):
import traceback
trace = traceback.format_stack(f=frame)
logger.debug(f"Caught signal {sig} in:\n" + "".join(trace))
# NOTE: Interrupt is handled in world/service/player which are responsible for
# shutting down the eye process properly
signal.signal(signal.SIGINT, interrupt_handler)
# UI Platform tweaks
if platform.system() == "Linux":
scroll_factor = 10.0
window_position_default = (600, 300 * eye_id + 30)
elif platform.system() == "Windows":
scroll_factor = 10.0
window_position_default = (600, 90 + 300 * eye_id)
else:
scroll_factor = 1.0
window_position_default = (600, 300 * eye_id)
icon_bar_width = 50
window_size = None
content_scale = 1.0
# g_pool holds variables for this process
g_pool = SimpleNamespace()
# make some constants avaiable
g_pool.debug = debug
g_pool.user_dir = user_dir
g_pool.version = version
g_pool.app = parent_application
g_pool.eye_id = eye_id
g_pool.process = f"eye{eye_id}"
g_pool.timebase = timebase
g_pool.camera_render_size = None
g_pool.zmq_ctx = zmq_ctx
g_pool.ipc_pub = ipc_socket
g_pool.ipc_pub_url = ipc_pub_url
g_pool.ipc_sub_url = ipc_sub_url
g_pool.ipc_push_url = ipc_push_url
def get_timestamp():
return get_time_monotonic() - g_pool.timebase.value
g_pool.get_timestamp = get_timestamp
g_pool.get_now = get_time_monotonic
def load_runtime_pupil_detection_plugins():
from plugin import import_runtime_plugins
from pupil_detector_plugins.detector_base_plugin import PupilDetectorPlugin
plugins_path = os.path.join(g_pool.user_dir, "plugins")
for plugin in import_runtime_plugins(plugins_path):
if not isinstance(plugin, type):
continue
if not issubclass(plugin, PupilDetectorPlugin):
continue
if plugin is PupilDetectorPlugin:
continue
yield plugin
available_detectors = available_detector_plugins()
runtime_detectors = list(load_runtime_pupil_detection_plugins())
plugins = (
manager_classes
+ source_classes
+ available_detectors
+ runtime_detectors
+ [Roi]
)
g_pool.plugin_by_name = {p.__name__: p for p in plugins}
preferred_names = [
f"Pupil Cam3 ID{eye_id}",
f"Pupil Cam2 ID{eye_id}",
f"Pupil Cam1 ID{eye_id}",
]
if eye_id == 0:
preferred_names += ["HD-6000"]
default_capture_name = "UVC_Source"
default_capture_settings = {
"preferred_names": preferred_names,
"frame_size": (192, 192),
"frame_rate": 120,
}
default_plugins = [
# TODO: extend with plugins
(default_capture_name, default_capture_settings),
("UVC_Manager", {}),
*[(p.__name__, {}) for p in available_detectors],
("NDSI_Manager", {}),
("HMD_Streaming_Manager", {}),
("File_Manager", {}),
("Roi", {}),
]
def consume_events_and_render_buffer():
glfw.make_context_current(main_window)
clear_gl_screen()
if all(c > 0 for c in g_pool.camera_render_size):
glViewport(0, 0, *g_pool.camera_render_size)
for p in g_pool.plugins:
p.gl_display()
glViewport(0, 0, *window_size)
# render graphs
fps_graph.draw()
cpu_graph.draw()
# render GUI
try:
clipboard = glfw.get_clipboard_string(main_window).decode()
except (AttributeError, glfw.GLFWError):
# clipboard is None, might happen on startup
clipboard = ""
g_pool.gui.update_clipboard(clipboard)
user_input = g_pool.gui.update()
if user_input.clipboard != clipboard:
# only write to clipboard if content changed
glfw.set_clipboard_string(main_window, user_input.clipboard)
for button, action, mods in user_input.buttons:
x, y = glfw.get_cursor_pos(main_window)
pos = gl_utils.window_coordinate_to_framebuffer_coordinate(
main_window, x, y, cached_scale=None
)
pos = normalize(pos, g_pool.camera_render_size)
if g_pool.flip:
pos = 1 - pos[0], 1 - pos[1]
# Position in img pixels
pos = denormalize(pos, g_pool.capture.frame_size)
for plugin in g_pool.plugins:
if plugin.on_click(pos, button, action):
break
for key, scancode, action, mods in user_input.keys:
for plugin in g_pool.plugins:
if plugin.on_key(key, scancode, action, mods):
break
for char_ in user_input.chars:
for plugin in g_pool.plugins:
if plugin.on_char(char_):
break
# update screen
glfw.swap_buffers(main_window)
# Callback functions
def on_resize(window, w, h):
nonlocal window_size
nonlocal content_scale
is_minimized = bool(glfw.get_window_attrib(window, glfw.ICONIFIED))
if is_minimized:
return
# Always clear buffers on resize to make sure that there are no overlapping
# artifacts from previous frames.
gl_utils.glClear(GL_COLOR_BUFFER_BIT)
gl_utils.glClearColor(0, 0, 0, 1)
active_window = glfw.get_current_context()
glfw.make_context_current(window)
content_scale = gl_utils.get_content_scale(window)
framebuffer_scale = gl_utils.get_framebuffer_scale(window)
g_pool.gui.scale = content_scale
window_size = w, h
g_pool.camera_render_size = w - int(icon_bar_width * g_pool.gui.scale), h
g_pool.gui.update_window(w, h)
g_pool.gui.collect_menus()
for g in g_pool.graphs:
g.scale = content_scale
g.adjust_window_size(w, h)
adjust_gl_view(w, h)
glfw.make_context_current(active_window)
# Minimum window size required, otherwise parts of the UI can cause openGL
# issues with permanent effects. Depends on the content scale, which can
# potentially be dynamically modified, so we re-adjust the size limits every
# time here.
min_size = int(2 * icon_bar_width * g_pool.gui.scale / framebuffer_scale)
glfw.set_window_size_limits(
window,
min_size,
min_size,
glfw.DONT_CARE,
glfw.DONT_CARE,
)
# Needed, to update the window buffer while resizing
consume_events_and_render_buffer()
def on_window_key(window, key, scancode, action, mods):
g_pool.gui.update_key(key, scancode, action, mods)
def on_window_char(window, char):
g_pool.gui.update_char(char)
def on_iconify(window, iconified):
g_pool.iconified = iconified
def on_window_mouse_button(window, button, action, mods):
g_pool.gui.update_button(button, action, mods)
def on_pos(window, x, y):
x, y = gl_utils.window_coordinate_to_framebuffer_coordinate(
window, x, y, cached_scale=None
)
g_pool.gui.update_mouse(x, y)
pos = x, y
pos = normalize(pos, g_pool.camera_render_size)
if g_pool.flip:
pos = 1 - pos[0], 1 - pos[1]
# Position in img pixels
pos = denormalize(pos, g_pool.capture.frame_size)
for p in g_pool.plugins:
p.on_pos(pos)
def on_scroll(window, x, y):
g_pool.gui.update_scroll(x, y * scroll_factor)
def on_drop(window, paths):
for plugin in g_pool.plugins:
if plugin.on_drop(paths):
break
# load session persistent settings
session_settings = Persistent_Dict(
os.path.join(g_pool.user_dir, "user_settings_eye{}".format(eye_id))
)
if parse_version(session_settings.get("version", "0.0")) != g_pool.version:
logger.info(
"Session setting are from a different version of this app. I will not use those."
)
session_settings.clear()
camera_is_physically_flipped = eye_id == 0
g_pool.iconified = False
g_pool.capture = None
g_pool.flip = session_settings.get("flip", camera_is_physically_flipped)
g_pool.display_mode = session_settings.get("display_mode", "camera_image")
g_pool.display_mode_info_text = {
"camera_image": "Raw eye camera image. This uses the least amount of CPU power",
"roi": "Click and drag on the blue circles to adjust the region of interest. The region should be as small as possible, but large enough to capture all pupil movements.",
"algorithm": "Algorithm display mode overlays a visualization of the pupil detection parameters on top of the eye video. Adjust parameters within the Pupil Detection menu below.",
}
def set_display_mode_info(val):
g_pool.display_mode = val
g_pool.display_mode_info.text = g_pool.display_mode_info_text[val]
def toggle_general_settings(collapsed):
# this is the menu toggle logic.
# Only one menu can be open.
# If no menu is open the menubar should collapse.
g_pool.menubar.collapsed = collapsed
for m in g_pool.menubar.elements:
m.collapsed = True
general_settings.collapsed = collapsed
# Initialize glfw
glfw.init()
glfw.window_hint(glfw.SCALE_TO_MONITOR, glfw.TRUE)
if hide_ui:
glfw.window_hint(glfw.VISIBLE, 0) # hide window
title = "Pupil Capture - eye {}".format(eye_id)
# Pupil Cam1 uses 4:3 resolutions. Pupil Cam2 and Cam3 use 1:1 resolutions.
# As all Pupil Core and VR/AR add-ons are shipped with Pupil Cam2 and Cam3
# cameras, we adjust the default eye window size to a 1:1 content aspect ratio.
# The size of 500 was chosen s.t. the menu still fits.
default_window_size = 500 + icon_bar_width, 500
width, height = session_settings.get("window_size", default_window_size)
main_window = glfw.create_window(width, height, title, None, None)
window_position_manager = gl_utils.WindowPositionManager()
window_pos = window_position_manager.new_window_position(
window=main_window,
default_position=window_position_default,
previous_position=session_settings.get("window_position", None),
)
glfw.set_window_pos(main_window, window_pos[0], window_pos[1])
glfw.make_context_current(main_window)
cygl.utils.init()
# gl_state settings
basic_gl_setup()
g_pool.image_tex = Named_Texture()
g_pool.image_tex.update_from_ndarray(np.ones((1, 1), dtype=np.uint8) + 125)
# setup GUI
g_pool.gui = ui.UI()
g_pool.menubar = ui.Scrolling_Menu(
"Settings", pos=(-500, 0), size=(-icon_bar_width, 0), header_pos="left"
)
g_pool.iconbar = ui.Scrolling_Menu(
"Icons", pos=(-icon_bar_width, 0), size=(0, 0), header_pos="hidden"
)
g_pool.gui.append(g_pool.menubar)
g_pool.gui.append(g_pool.iconbar)
general_settings = ui.Growing_Menu("General", header_pos="headline")
def set_window_size():
# Get current capture frame size
f_width, f_height = g_pool.capture.frame_size
# Eye camera resolutions are too small to be used as default window sizes.
# We use double their size instead.
frame_scale_factor = 2
f_width *= frame_scale_factor
f_height *= frame_scale_factor
# Get current display scale factor
content_scale = gl_utils.get_content_scale(main_window)
framebuffer_scale = gl_utils.get_framebuffer_scale(main_window)
display_scale_factor = content_scale / framebuffer_scale
# Scale the capture frame size by display scale factor
f_width *= display_scale_factor
f_height *= display_scale_factor
# Increas the width to account for the added scaled icon bar width
f_width += icon_bar_width * display_scale_factor
# Set the newly calculated size (scaled capture frame size + scaled icon bar width)
glfw.set_window_size(main_window, int(f_width), int(f_height))
general_settings.append(ui.Button("Reset window size", set_window_size))
general_settings.append(ui.Switch("flip", g_pool, label="Flip image display"))
general_settings.append(
ui.Selector(
"display_mode",
g_pool,
setter=set_display_mode_info,
selection=["camera_image", "roi", "algorithm"],
labels=["Camera Image", "ROI", "Algorithm"],
label="Mode",
)
)
g_pool.display_mode_info = ui.Info_Text(
g_pool.display_mode_info_text[g_pool.display_mode]
)
general_settings.append(g_pool.display_mode_info)
g_pool.menubar.append(general_settings)
icon = ui.Icon(
"collapsed",
general_settings,
label=chr(0xE8B8),
on_val=False,
off_val=True,
setter=toggle_general_settings,
label_font="pupil_icons",
)
icon.tooltip = "General Settings"
g_pool.iconbar.append(icon)
plugins_to_load = session_settings.get("loaded_plugins", default_plugins)
if overwrite_cap_settings:
# Ensure that overwrite_cap_settings takes preference over source plugins
# with incorrect settings that were loaded from session settings.
plugins_to_load.append(overwrite_cap_settings)
# Add runtime plugins to the list of plugins to load with default arguments,
# if not already restored from session settings
plugins_to_load_names = set(name for name, _ in plugins_to_load)
for runtime_detector in runtime_detectors:
runtime_name = runtime_detector.__name__
if runtime_name not in plugins_to_load_names:
plugins_to_load.append((runtime_name, {}))
g_pool.plugins = Plugin_List(g_pool, plugins_to_load)
if not g_pool.capture:
# Make sure we always have a capture running. Important if there was no
# capture stored in session settings.
g_pool.plugins.add(
g_pool.plugin_by_name[default_capture_name], default_capture_settings
)
toggle_general_settings(True)
g_pool.writer = None
g_pool.rec_path = None
# Register callbacks main_window
glfw.set_framebuffer_size_callback(main_window, on_resize)
glfw.set_window_iconify_callback(main_window, on_iconify)
glfw.set_key_callback(main_window, on_window_key)
glfw.set_char_callback(main_window, on_window_char)
glfw.set_mouse_button_callback(main_window, on_window_mouse_button)
glfw.set_cursor_pos_callback(main_window, on_pos)
glfw.set_scroll_callback(main_window, on_scroll)
glfw.set_drop_callback(main_window, on_drop)
# load last gui configuration
g_pool.gui.configuration = session_settings.get("ui_config", {})
# If previously selected plugin was not loaded this time, we will have an
# expanded menubar without any menu selected. We need to ensure the menubar is
# collapsed in this case.
if all(submenu.collapsed for submenu in g_pool.menubar.elements):
g_pool.menubar.collapsed = True
# set up performance graphs
pid = os.getpid()
ps = psutil.Process(pid)
ts = g_pool.get_timestamp()
cpu_graph = graph.Bar_Graph()
cpu_graph.pos = (20, 50)
cpu_graph.update_fn = ps.cpu_percent
cpu_graph.update_rate = 5
cpu_graph.label = "CPU %0.1f"
fps_graph = graph.Bar_Graph()
fps_graph.pos = (140, 50)
fps_graph.update_rate = 5
fps_graph.label = "%0.0f FPS"
g_pool.graphs = [cpu_graph, fps_graph]
# set the last saved window size
on_resize(main_window, *glfw.get_framebuffer_size(main_window))
should_publish_frames = False
frame_publish_format = "jpeg"
frame_publish_format_recent_warning = False
# create a timer to control window update frequency
window_update_timer = timer(1 / 60)
def window_should_update():
return next(window_update_timer)
logger.warning("Process started.")
frame = None
if platform.system() == "Darwin":
# On macOS, calls to glfw.swap_buffers() deliberately take longer in case of
# occluded windows, based on the swap interval value. This causes an FPS drop
# and leads to problems when recording. To side-step this behaviour, the swap
# interval is set to zero.
#
# Read more about window occlusion on macOS here:
# https://developer.apple.com/library/archive/documentation/Performance/Conceptual/power_efficiency_guidelines_osx/WorkWhenVisible.html
glfw.swap_interval(0)
# Event loop
window_should_close = False
while not window_should_close:
if notify_sub.new_data:
t, notification = notify_sub.recv()
subject = notification["subject"]
if subject.startswith("eye_process.should_stop"):
if notification["eye_id"] == eye_id:
break
elif subject == "recording.started":
if notification["record_eye"] and g_pool.capture.online:
g_pool.rec_path = notification["rec_path"]
raw_mode = notification["compression"]
start_time_synced = notification["start_time_synced"]
logger.info(f"Will save eye video to: {g_pool.rec_path}")
video_path = os.path.join(
g_pool.rec_path, "eye{}.mp4".format(eye_id)
)
if raw_mode and frame and g_pool.capture.jpeg_support:
g_pool.writer = JPEG_Writer(video_path, start_time_synced)
elif hasattr(g_pool.capture._recent_frame, "h264_buffer"):
g_pool.writer = H264Writer(
video_path,
g_pool.capture.frame_size[0],
g_pool.capture.frame_size[1],
g_pool.capture.frame_rate,
)
else:
g_pool.writer = MPEG_Writer(video_path, start_time_synced)
elif subject == "recording.stopped":
if g_pool.writer:
logger.info("Done recording.")
try:
g_pool.writer.release()
except RuntimeError:
logger.error("No eye video recorded")
else:
# TODO: wrap recording logic into plugin
g_pool.capture.intrinsics.save(
g_pool.rec_path, custom_name=f"eye{eye_id}"
)
finally:
g_pool.writer = None
elif subject.startswith("meta.should_doc"):
ipc_socket.notify(
{
"subject": "meta.doc",
"actor": "eye{}".format(eye_id),
"doc": eye.__doc__,
}
)
elif subject.startswith("frame_publishing.started"):
should_publish_frames = True
frame_publish_format = notification.get("format", "jpeg")
elif subject.startswith("frame_publishing.stopped"):
should_publish_frames = False
frame_publish_format = "jpeg"
elif (
subject.startswith("start_eye_plugin")
and notification["target"] == g_pool.process
):
try:
g_pool.plugins.add(
g_pool.plugin_by_name[notification["name"]],
notification.get("args", {}),
)
except KeyError as err:
logger.error(f"Attempt to load unknown plugin: {err}")
elif (
subject.startswith("stop_eye_plugin")
and notification["target"] == g_pool.process
):
try:
plugin_to_stop = g_pool.plugin_by_name[notification["name"]]
except KeyError as err:
logger.error(f"Attempt to load unknown plugin: {err}")
else:
plugin_to_stop.alive = False
g_pool.plugins.clean()
for plugin in g_pool.plugins:
plugin.on_notify(notification)
event = {}
for plugin in g_pool.plugins:
plugin.recent_events(event)
frame = event.get("frame")
if frame:
if should_publish_frames:
try:
if frame_publish_format == "jpeg":
data = frame.jpeg_buffer
elif frame_publish_format == "yuv":
data = frame.yuv_buffer
elif frame_publish_format == "bgr":
data = frame.bgr
elif frame_publish_format == "gray":
data = frame.gray
assert data is not None
except (AttributeError, AssertionError, NameError):
if not frame_publish_format_recent_warning:
frame_publish_format_recent_warning = True
logger.warning(
'{}s are not compatible with format "{}"'.format(
type(frame), frame_publish_format
)
)
else:
frame_publish_format_recent_warning = False
pupil_socket.send(
{
"topic": "frame.eye.{}".format(eye_id),
"width": frame.width,
"height": frame.height,
"index": frame.index,
"timestamp": frame.timestamp,
"format": frame_publish_format,
"__raw_data__": [data],
}
)
t = frame.timestamp
dt, ts = t - ts, t
try:
fps_graph.add(1.0 / dt)
except ZeroDivisionError:
pass
if g_pool.writer:
try:
g_pool.writer.write_video_frame(frame)
except NonMonotonicTimestampError as e:
logger.error(
"Recorder received non-monotonic timestamp!"
" Stopping the recording!"
)
logger.debug(str(e))
ipc_socket.notify({"subject": "recording.should_stop"})
ipc_socket.notify(
{"subject": "recording.should_stop", "remote_notify": "all"}
)
for result in event.get(EVENT_KEY, ()):
pupil_socket.send(result)
# GL drawing
if window_should_update():
cpu_graph.update()
if is_window_visible(main_window):
consume_events_and_render_buffer()
glfw.poll_events()
window_should_close = glfw.window_should_close(main_window)
# END while running
# in case eye recording was still runnnig: Save&close
if g_pool.writer:
logger.info("Done recording eye.")
g_pool.writer.release()
g_pool.writer = None
session_settings["loaded_plugins"] = g_pool.plugins.get_initializers()
# save session persistent settings
session_settings["flip"] = g_pool.flip
session_settings["display_mode"] = g_pool.display_mode
session_settings["ui_config"] = g_pool.gui.configuration
session_settings["version"] = str(g_pool.version)
if not hide_ui:
glfw.restore_window(main_window) # need to do this for windows os
session_settings["window_position"] = glfw.get_window_pos(main_window)
session_window_size = glfw.get_window_size(main_window)
if 0 not in session_window_size:
f_width, f_height = session_window_size
if platform.system() in ("Windows", "Linux"):
# Store unscaled window size as the operating system will scale the
# windows appropriately during launch on Windows and Linux.
f_width, f_height = (
f_width / content_scale,
f_height / content_scale,
)
session_settings["window_size"] = int(f_width), int(f_height)
session_settings.close()
for plugin in g_pool.plugins:
plugin.alive = False
g_pool.plugins.clean()
glfw.destroy_window(main_window)
g_pool.gui.terminate()
glfw.terminate()
logger.info("Process shutting down.")
def session(rec_dir):
# Callback functions
def on_resize(window, w, h):
g_pool.gui.update_window(w, h)
g_pool.gui.collect_menus()
graph.adjust_size(w, h)
adjust_gl_view(w, h)
for p in g_pool.plugins:
p.on_window_resize(window, w, h)
def on_key(window, key, scancode, action, mods):
g_pool.gui.update_key(key, scancode, action, mods)
def on_char(window, char):
g_pool.gui.update_char(char)
def on_button(window, button, action, mods):
g_pool.gui.update_button(button, action, mods)
pos = glfwGetCursorPos(window)
pos = normalize(pos, glfwGetWindowSize(window))
pos = denormalize(
pos,
(frame.img.shape[1], frame.img.shape[0])) # Position in img pixels
for p in g_pool.plugins:
p.on_click(pos, button, action)
def on_pos(window, x, y):
hdpi_factor = float(
glfwGetFramebufferSize(window)[0] / glfwGetWindowSize(window)[0])
g_pool.gui.update_mouse(x * hdpi_factor, y * hdpi_factor)
def on_scroll(window, x, y):
g_pool.gui.update_scroll(x, y * y_scroll_factor)
def on_drop(window, count, paths):
for x in range(count):
new_rec_dir = paths[x]
if is_pupil_rec_dir(new_rec_dir):
logger.debug("Starting new session with '%s'" % new_rec_dir)
global rec_dir
rec_dir = new_rec_dir
glfwSetWindowShouldClose(window, True)
else:
logger.error("'%s' is not a valid pupil recording" %
new_rec_dir)
tick = delta_t()
def get_dt():
return next(tick)
video_path = [
f for f in glob(os.path.join(rec_dir, "world.*"))
if f[-3:] in ('mp4', 'mkv', 'avi')
][0]
timestamps_path = os.path.join(rec_dir, "world_timestamps.npy")
pupil_data_path = os.path.join(rec_dir, "pupil_data")
#parse info.csv file
meta_info_path = os.path.join(rec_dir, "info.csv")
with open(meta_info_path) as info:
meta_info = dict(
((line.strip().split('\t')) for line in info.readlines()))
rec_version = read_rec_version(meta_info)
if rec_version >= VersionFormat('0.5'):
pass
elif rec_version >= VersionFormat('0.4'):
update_recording_0v4_to_current(rec_dir)
elif rec_version >= VersionFormat('0.3'):
update_recording_0v3_to_current(rec_dir)
timestamps_path = os.path.join(rec_dir, "timestamps.npy")
else:
logger.Error("This recording is to old. Sorry.")
return
# Initialize capture
cap = File_Capture(video_path, timestamps=timestamps_path)
# load session persistent settings
session_settings = Persistent_Dict(os.path.join(user_dir, "user_settings"))
if session_settings.get("version",
VersionFormat('0.0')) < get_version(version_file):
logger.info(
"Session setting are from older version of this app. I will not use those."
)
session_settings.clear()
width, height = session_settings.get('window_size', cap.frame_size)
window_pos = session_settings.get('window_position', (0, 0))
main_window = glfwCreateWindow(
width, height, "Pupil Player: " + meta_info["Recording Name"] + " - " +
rec_dir.split(os.path.sep)[-1], None, None)
glfwSetWindowPos(main_window, window_pos[0], window_pos[1])
glfwMakeContextCurrent(main_window)
cygl.utils.init()
# load pupil_positions, gaze_positions
pupil_data = load_object(pupil_data_path)
pupil_list = pupil_data['pupil_positions']
gaze_list = pupil_data['gaze_positions']
# create container for globally scoped vars
g_pool = Global_Container()
g_pool.app = 'player'
g_pool.version = get_version(version_file)
g_pool.capture = cap
g_pool.timestamps = np.load(timestamps_path)
g_pool.play = False
g_pool.new_seek = True
g_pool.user_dir = user_dir
g_pool.rec_dir = rec_dir
g_pool.rec_version = rec_version
g_pool.meta_info = meta_info
g_pool.pupil_positions_by_frame = correlate_data(pupil_list,
g_pool.timestamps)
g_pool.gaze_positions_by_frame = correlate_data(gaze_list,
g_pool.timestamps)
g_pool.fixations_by_frame = [[] for x in g_pool.timestamps
] #populated by the fixation detector plugin
def next_frame(_):
try:
cap.seek_to_frame(cap.get_frame_index())
except FileSeekError:
pass
g_pool.new_seek = True
def prev_frame(_):
try:
cap.seek_to_frame(cap.get_frame_index() - 2)
except FileSeekError:
pass
g_pool.new_seek = True
def set_scale(new_scale):
g_pool.gui.scale = new_scale
g_pool.gui.collect_menus()
def open_plugin(plugin):
if plugin == "Select to load":
return
g_pool.plugins.add(plugin)
def purge_plugins():
for p in g_pool.plugins:
if p.__class__ in user_launchable_plugins:
p.alive = False
g_pool.plugins.clean()
g_pool.gui = ui.UI()
g_pool.gui.scale = session_settings.get('gui_scale', 1)
g_pool.main_menu = ui.Growing_Menu("Settings",
pos=(-350, 20),
size=(300, 400))
g_pool.main_menu.append(
ui.Button("Close Pupil Player",
lambda: glfwSetWindowShouldClose(main_window, True)))
g_pool.main_menu.append(
ui.Slider('scale',
g_pool.gui,
setter=set_scale,
step=.05,
min=0.75,
max=2.5,
label='Interface Size'))
g_pool.main_menu.append(ui.Info_Text('Player Version: %s' %
g_pool.version))
g_pool.main_menu.append(ui.Info_Text('Recording Version: %s' %
rec_version))
g_pool.main_menu.append(
ui.Selector('Open plugin',
selection=user_launchable_plugins,
labels=[
p.__name__.replace('_', ' ')
for p in user_launchable_plugins
],
setter=open_plugin,
getter=lambda: "Select to load"))
g_pool.main_menu.append(ui.Button('Close all plugins', purge_plugins))
g_pool.main_menu.append(
ui.Button(
'Reset window size', lambda: glfwSetWindowSize(
main_window, cap.frame_size[0], cap.frame_size[1])))
g_pool.quickbar = ui.Stretching_Menu('Quick Bar', (0, 100), (120, -100))
g_pool.play_button = ui.Thumb('play',
g_pool,
label='Play',
hotkey=GLFW_KEY_SPACE)
g_pool.play_button.on_color[:] = (0, 1., .0, .8)
g_pool.forward_button = ui.Thumb('forward',
getter=lambda: False,
setter=next_frame,
hotkey=GLFW_KEY_RIGHT)
g_pool.backward_button = ui.Thumb('backward',
getter=lambda: False,
setter=prev_frame,
hotkey=GLFW_KEY_LEFT)
g_pool.quickbar.extend(
[g_pool.play_button, g_pool.forward_button, g_pool.backward_button])
g_pool.gui.append(g_pool.quickbar)
g_pool.gui.append(g_pool.main_menu)
#we always load these plugins
system_plugins = [('Trim_Marks', {}), ('Seek_Bar', {})]
default_plugins = [('Log_Display', {}), ('Scan_Path', {}),
('Vis_Polyline', {}), ('Vis_Circle', {}),
('Export_Launcher', {})]
previous_plugins = session_settings.get('loaded_plugins', default_plugins)
g_pool.notifications = []
g_pool.plugins = Plugin_List(g_pool, plugin_by_name,
system_plugins + previous_plugins)
for p in g_pool.plugins:
if p.class_name == 'Trim_Marks':
g_pool.trim_marks = p
break
# Register callbacks main_window
glfwSetFramebufferSizeCallback(main_window, on_resize)
glfwSetKeyCallback(main_window, on_key)
glfwSetCharCallback(main_window, on_char)
glfwSetMouseButtonCallback(main_window, on_button)
glfwSetCursorPosCallback(main_window, on_pos)
glfwSetScrollCallback(main_window, on_scroll)
glfwSetDropCallback(main_window, on_drop)
#trigger on_resize
on_resize(main_window, *glfwGetFramebufferSize(main_window))
g_pool.gui.configuration = session_settings.get('ui_config', {})
# gl_state settings
basic_gl_setup()
g_pool.image_tex = Named_Texture()
#set up performace graphs:
pid = os.getpid()
ps = psutil.Process(pid)
ts = cap.get_timestamp() - .03
cpu_graph = graph.Bar_Graph()
cpu_graph.pos = (20, 110)
cpu_graph.update_fn = ps.cpu_percent
cpu_graph.update_rate = 5
cpu_graph.label = 'CPU %0.1f'
fps_graph = graph.Bar_Graph()
fps_graph.pos = (140, 110)
fps_graph.update_rate = 5
fps_graph.label = "%0.0f REC FPS"
pupil_graph = graph.Bar_Graph(max_val=1.0)
pupil_graph.pos = (260, 110)
pupil_graph.update_rate = 5
pupil_graph.label = "Confidence: %0.2f"
while not glfwWindowShouldClose(main_window):
#grab new frame
if g_pool.play or g_pool.new_seek:
g_pool.new_seek = False
try:
new_frame = cap.get_frame_nowait()
except EndofVideoFileError:
#end of video logic: pause at last frame.
g_pool.play = False
update_graph = True
else:
update_graph = False
frame = new_frame.copy()
events = {}
#report time between now and the last loop interation
events['dt'] = get_dt()
#new positons we make a deepcopy just like the image is a copy.
events['gaze_positions'] = deepcopy(
g_pool.gaze_positions_by_frame[frame.index])
events['pupil_positions'] = deepcopy(
g_pool.pupil_positions_by_frame[frame.index])
if update_graph:
#update performace graphs
for p in events['pupil_positions']:
pupil_graph.add(p['confidence'])
t = new_frame.timestamp
if ts != t:
dt, ts = t - ts, t
fps_graph.add(1. / dt)
g_pool.play_button.status_text = str(frame.index)
#always update the CPU graph
cpu_graph.update()
# notify each plugin if there are new notifactions:
while g_pool.notifications:
n = g_pool.notifications.pop(0)
for p in g_pool.plugins:
p.on_notify(n)
# allow each Plugin to do its work.
for p in g_pool.plugins:
p.update(frame, events)
#check if a plugin need to be destroyed
g_pool.plugins.clean()
# render camera image
glfwMakeContextCurrent(main_window)
make_coord_system_norm_based()
g_pool.image_tex.update_from_frame(frame)
g_pool.image_tex.draw()
make_coord_system_pixel_based(frame.img.shape)
# render visual feedback from loaded plugins
for p in g_pool.plugins:
p.gl_display()
graph.push_view()
fps_graph.draw()
cpu_graph.draw()
pupil_graph.draw()
graph.pop_view()
g_pool.gui.update()
#present frames at appropriate speed
cap.wait(frame)
glfwSwapBuffers(main_window)
glfwPollEvents()
session_settings['loaded_plugins'] = g_pool.plugins.get_initializers()
session_settings['gui_scale'] = g_pool.gui.scale
session_settings['ui_config'] = g_pool.gui.configuration
session_settings['window_size'] = glfwGetWindowSize(main_window)
session_settings['window_position'] = glfwGetWindowPos(main_window)
session_settings['version'] = g_pool.version
session_settings.close()
# de-init all running plugins
for p in g_pool.plugins:
p.alive = False
g_pool.plugins.clean()
cap.close()
g_pool.gui.terminate()
glfwDestroyWindow(main_window)
def eye(timebase, is_alive_flag, ipc_pub_url, ipc_sub_url, ipc_push_url,
user_dir, version, eye_id, cap_src):
"""reads eye video and detects the pupil.
Creates a window, gl context.
Grabs images from a capture.
Streams Pupil coordinates.
Reacts to notifications:
``set_detection_mapping_mode``: Sets detection method
``eye_process.should_stop``: Stops the eye process
``recording.started``: Starts recording eye video
``recording.stopped``: Stops recording eye video
Emits notifications:
``eye_process.started``: Eye process started
``eye_process.stopped``: Eye process stopped
Emits data:
``pupil.<eye id>``: Pupil data for eye with id ``<eye id>``
"""
# We deferr the imports becasue of multiprocessing.
# Otherwise the world process each process also loads the other imports.
import zmq
import zmq_tools
zmq_ctx = zmq.Context()
ipc_socket = zmq_tools.Msg_Dispatcher(zmq_ctx, ipc_push_url)
pupil_socket = zmq_tools.Msg_Streamer(zmq_ctx, ipc_pub_url)
notify_sub = zmq_tools.Msg_Receiver(zmq_ctx,
ipc_sub_url,
topics=("notify", ))
with Is_Alive_Manager(is_alive_flag, ipc_socket, eye_id):
#logging setup
import logging
logging.getLogger("OpenGL").setLevel(logging.ERROR)
logger = logging.getLogger()
logger.handlers = []
logger.addHandler(zmq_tools.ZMQ_handler(zmq_ctx, ipc_push_url))
# create logger for the context of this function
logger = logging.getLogger(__name__)
#general imports
import numpy as np
import cv2
#display
import glfw
from pyglui import ui, graph, cygl
from pyglui.cygl.utils import draw_points, RGBA, draw_polyline, Named_Texture, Sphere
import OpenGL.GL as gl
from gl_utils import basic_gl_setup, adjust_gl_view, clear_gl_screen, make_coord_system_pixel_based, make_coord_system_norm_based, make_coord_system_eye_camera_based
from ui_roi import UIRoi
#monitoring
import psutil
import math
# helpers/utils
from file_methods import Persistent_Dict
from version_utils import VersionFormat
from methods import normalize, denormalize, Roi, timer
from video_capture import autoCreateCapture, FileCaptureError, EndofVideoFileError, CameraCaptureError
from av_writer import JPEG_Writer, AV_Writer
# Pupil detectors
from pupil_detectors import Detector_2D, Detector_3D
pupil_detectors = {
Detector_2D.__name__: Detector_2D,
Detector_3D.__name__: Detector_3D
}
#UI Platform tweaks
if platform.system() == 'Linux':
scroll_factor = 10.0
window_position_default = (600, 300 * eye_id)
elif platform.system() == 'Windows':
scroll_factor = 1.0
window_position_default = (600, 31 + 300 * eye_id)
else:
scroll_factor = 1.0
window_position_default = (600, 300 * eye_id)
#g_pool holds variables for this process
g_pool = Global_Container()
# make some constants avaiable
g_pool.user_dir = user_dir
g_pool.version = version
g_pool.app = 'capture'
g_pool.timebase = timebase
# Callback functions
def on_resize(window, w, h):
if not g_pool.iconified:
active_window = glfw.glfwGetCurrentContext()
glfw.glfwMakeContextCurrent(window)
g_pool.gui.update_window(w, h)
graph.adjust_size(w, h)
adjust_gl_view(w, h)
glfw.glfwMakeContextCurrent(active_window)
def on_key(window, key, scancode, action, mods):
g_pool.gui.update_key(key, scancode, action, mods)
def on_char(window, char):
g_pool.gui.update_char(char)
def on_iconify(window, iconified):
g_pool.iconified = iconified
def on_button(window, button, action, mods):
if g_pool.display_mode == 'roi':
if action == glfw.GLFW_RELEASE and g_pool.u_r.active_edit_pt:
g_pool.u_r.active_edit_pt = False
return # if the roi interacts we dont what the gui to interact as well
elif action == glfw.GLFW_PRESS:
pos = glfw.glfwGetCursorPos(window)
pos = normalize(pos, glfw.glfwGetWindowSize(main_window))
if g_pool.flip:
pos = 1 - pos[0], 1 - pos[1]
pos = denormalize(
pos,
(frame.width, frame.height)) # Position in img pixels
if g_pool.u_r.mouse_over_edit_pt(
pos, g_pool.u_r.handle_size + 40,
g_pool.u_r.handle_size + 40):
return # if the roi interacts we dont what the gui to interact as well
g_pool.gui.update_button(button, action, mods)
def on_pos(window, x, y):
hdpi_factor = float(
glfw.glfwGetFramebufferSize(window)[0] /
glfw.glfwGetWindowSize(window)[0])
g_pool.gui.update_mouse(x * hdpi_factor, y * hdpi_factor)
if g_pool.u_r.active_edit_pt:
pos = normalize((x, y), glfw.glfwGetWindowSize(main_window))
if g_pool.flip:
pos = 1 - pos[0], 1 - pos[1]
pos = denormalize(pos, (frame.width, frame.height))
g_pool.u_r.move_vertex(g_pool.u_r.active_pt_idx, pos)
def on_scroll(window, x, y):
g_pool.gui.update_scroll(x, y * scroll_factor)
# load session persistent settings
session_settings = Persistent_Dict(
os.path.join(g_pool.user_dir, 'user_settings_eye%s' % eye_id))
if session_settings.get("version",
VersionFormat('0.0')) < g_pool.version:
logger.info(
"Session setting are from older version of this app. I will not use those."
)
session_settings.clear()
# Initialize capture
cap = autoCreateCapture(cap_src, timebase=g_pool.timebase)
default_settings = {'frame_size': (640, 480), 'frame_rate': 60}
previous_settings = session_settings.get('capture_settings', None)
if previous_settings and previous_settings['name'] == cap.name:
cap.settings = previous_settings
else:
cap.settings = default_settings
g_pool.iconified = False
g_pool.capture = cap
g_pool.flip = session_settings.get('flip', False)
g_pool.display_mode = session_settings.get('display_mode',
'camera_image')
g_pool.display_mode_info_text = {
'camera_image':
"Raw eye camera image. This uses the least amount of CPU power",
'roi':
"Click and drag on the blue circles to adjust the region of interest. The region should be as small as possible, but large enough to capture all pupil movements.",
'algorithm':
"Algorithm display mode overlays a visualization of the pupil detection parameters on top of the eye video. Adjust parameters within the Pupil Detection menu below."
}
g_pool.u_r = UIRoi((cap.frame_size[1], cap.frame_size[0]))
g_pool.u_r.set(session_settings.get('roi', g_pool.u_r.get()))
def on_frame_size_change(new_size):
g_pool.u_r = UIRoi((new_size[1], new_size[0]))
cap.on_frame_size_change = on_frame_size_change
writer = None
pupil_detector_settings = session_settings.get(
'pupil_detector_settings', None)
last_pupil_detector = pupil_detectors[session_settings.get(
'last_pupil_detector', Detector_2D.__name__)]
g_pool.pupil_detector = last_pupil_detector(g_pool,
pupil_detector_settings)
# UI callback functions
def set_scale(new_scale):
g_pool.gui.scale = new_scale
g_pool.gui.collect_menus()
def set_display_mode_info(val):
g_pool.display_mode = val
g_pool.display_mode_info.text = g_pool.display_mode_info_text[val]
def set_detector(new_detector):
g_pool.pupil_detector.cleanup()
g_pool.pupil_detector = new_detector(g_pool)
g_pool.pupil_detector.init_gui(g_pool.sidebar)
# Initialize glfw
glfw.glfwInit()
title = "eye %s" % eye_id
width, height = session_settings.get('window_size', cap.frame_size)
main_window = glfw.glfwCreateWindow(width, height, title, None, None)
window_pos = session_settings.get('window_position',
window_position_default)
glfw.glfwSetWindowPos(main_window, window_pos[0], window_pos[1])
glfw.glfwMakeContextCurrent(main_window)
cygl.utils.init()
# gl_state settings
basic_gl_setup()
g_pool.image_tex = Named_Texture()
glfw.glfwSwapInterval(0)
#setup GUI
g_pool.gui = ui.UI()
g_pool.gui.scale = session_settings.get('gui_scale', 1)
g_pool.sidebar = ui.Scrolling_Menu("Settings",
pos=(-300, 0),
size=(0, 0),
header_pos='left')
general_settings = ui.Growing_Menu('General')
general_settings.append(
ui.Slider('scale',
g_pool.gui,
setter=set_scale,
step=.05,
min=1.,
max=2.5,
label='Interface Size'))
general_settings.append(
ui.Button(
'Reset window size', lambda: glfw.glfwSetWindowSize(
main_window, frame.width, frame.height)))
general_settings.append(
ui.Switch('flip', g_pool, label='Flip image display'))
general_settings.append(
ui.Selector('display_mode',
g_pool,
setter=set_display_mode_info,
selection=['camera_image', 'roi', 'algorithm'],
labels=['Camera Image', 'ROI', 'Algorithm'],
label="Mode"))
g_pool.display_mode_info = ui.Info_Text(
g_pool.display_mode_info_text[g_pool.display_mode])
general_settings.append(g_pool.display_mode_info)
g_pool.sidebar.append(general_settings)
g_pool.gui.append(g_pool.sidebar)
detector_selector = ui.Selector(
'pupil_detector',
getter=lambda: g_pool.pupil_detector.__class__,
setter=set_detector,
selection=[Detector_2D, Detector_3D],
labels=['C++ 2d detector', 'C++ 3d detector'],
label="Detection method")
general_settings.append(detector_selector)
# let detector add its GUI
g_pool.pupil_detector.init_gui(g_pool.sidebar)
# let the camera add its GUI
g_pool.capture.init_gui(g_pool.sidebar)
# Register callbacks main_window
glfw.glfwSetFramebufferSizeCallback(main_window, on_resize)
glfw.glfwSetWindowIconifyCallback(main_window, on_iconify)
glfw.glfwSetKeyCallback(main_window, on_key)
glfw.glfwSetCharCallback(main_window, on_char)
glfw.glfwSetMouseButtonCallback(main_window, on_button)
glfw.glfwSetCursorPosCallback(main_window, on_pos)
glfw.glfwSetScrollCallback(main_window, on_scroll)
#set the last saved window size
on_resize(main_window, *glfw.glfwGetWindowSize(main_window))
# load last gui configuration
g_pool.gui.configuration = session_settings.get('ui_config', {})
#set up performance graphs
pid = os.getpid()
ps = psutil.Process(pid)
ts = cap.get_timestamp()
cpu_graph = graph.Bar_Graph()
cpu_graph.pos = (20, 130)
cpu_graph.update_fn = ps.cpu_percent
cpu_graph.update_rate = 5
cpu_graph.label = 'CPU %0.1f'
fps_graph = graph.Bar_Graph()
fps_graph.pos = (140, 130)
fps_graph.update_rate = 5
fps_graph.label = "%0.0f FPS"
#create a timer to control window update frequency
window_update_timer = timer(1 / 60.)
def window_should_update():
return next(window_update_timer)
logger.warning('Process started.')
# Event loop
while not glfw.glfwWindowShouldClose(main_window):
if notify_sub.new_data:
t, notification = notify_sub.recv()
subject = notification['subject']
if subject == 'eye_process.should_stop':
if notification['eye_id'] == eye_id:
break
elif subject == 'set_detection_mapping_mode':
if notification['mode'] == '3d':
if not isinstance(g_pool.pupil_detector, Detector_3D):
set_detector(Detector_3D)
detector_selector.read_only = True
else:
if not isinstance(g_pool.pupil_detector, Detector_2D):
set_detector(Detector_2D)
detector_selector.read_only = False
elif subject == 'recording.started':
if notification['record_eye']:
record_path = notification['rec_path']
raw_mode = notification['compression']
logger.info("Will save eye video to: %s" % record_path)
timestamps_path = os.path.join(
record_path, "eye%s_timestamps.npy" % eye_id)
if raw_mode and frame.jpeg_buffer:
video_path = os.path.join(record_path,
"eye%s.mp4" % eye_id)
writer = JPEG_Writer(video_path, cap.frame_rate)
else:
video_path = os.path.join(record_path,
"eye%s.mp4" % eye_id)
writer = AV_Writer(video_path, cap.frame_rate)
timestamps = []
elif subject == 'recording.stopped':
if writer:
logger.info("Done recording.")
writer.release()
writer = None
np.save(timestamps_path, np.asarray(timestamps))
del timestamps
elif subject.startswith('meta.should_doc'):
ipc_socket.notify({
'subject': 'meta.doc',
'actor': 'eye%i' % eye_id,
'doc': eye.__doc__
})
# Get an image from the grabber
try:
frame = cap.get_frame()
except CameraCaptureError:
logger.error("Capture from Camera Failed. Stopping.")
break
except EndofVideoFileError:
logger.warning("Video File is done. Stopping")
cap.seek_to_frame(0)
frame = cap.get_frame()
#update performace graphs
t = frame.timestamp
dt, ts = t - ts, t
try:
fps_graph.add(1. / dt)
except ZeroDivisionError:
pass
cpu_graph.update()
if writer:
writer.write_video_frame(frame)
timestamps.append(frame.timestamp)
# pupil ellipse detection
result = g_pool.pupil_detector.detect(
frame, g_pool.u_r, g_pool.display_mode == 'algorithm')
result['id'] = eye_id
# stream the result
pupil_socket.send('pupil.%s' % eye_id, result)
# GL drawing
if window_should_update():
if not g_pool.iconified:
glfw.glfwMakeContextCurrent(main_window)
clear_gl_screen()
# switch to work in normalized coordinate space
if g_pool.display_mode == 'algorithm':
g_pool.image_tex.update_from_ndarray(frame.img)
elif g_pool.display_mode in ('camera_image', 'roi'):
g_pool.image_tex.update_from_ndarray(frame.gray)
else:
pass
make_coord_system_norm_based(g_pool.flip)
g_pool.image_tex.draw()
window_size = glfw.glfwGetWindowSize(main_window)
make_coord_system_pixel_based(
(frame.height, frame.width, 3), g_pool.flip)
if result['method'] == '3d c++':
eye_ball = result['projected_sphere']
try:
pts = cv2.ellipse2Poly(
(int(eye_ball['center'][0]),
int(eye_ball['center'][1])),
(int(eye_ball['axes'][0] / 2),
int(eye_ball['axes'][1] / 2)),
int(eye_ball['angle']), 0, 360, 8)
except ValueError as e:
pass
else:
draw_polyline(
pts, 2,
RGBA(0., .9, .1, result['model_confidence']))
if result['confidence'] > 0:
if result.has_key('ellipse'):
pts = cv2.ellipse2Poly(
(int(result['ellipse']['center'][0]),
int(result['ellipse']['center'][1])),
(int(result['ellipse']['axes'][0] / 2),
int(result['ellipse']['axes'][1] / 2)),
int(result['ellipse']['angle']), 0, 360, 15)
confidence = result[
'confidence'] * 0.7 #scale it a little
draw_polyline(pts, 1, RGBA(1., 0, 0, confidence))
draw_points([result['ellipse']['center']],
size=20,
color=RGBA(1., 0., 0., confidence),
sharpness=1.)
# render graphs
graph.push_view()
fps_graph.draw()
cpu_graph.draw()
graph.pop_view()
# render GUI
g_pool.gui.update()
#render the ROI
g_pool.u_r.draw(g_pool.gui.scale)
if g_pool.display_mode == 'roi':
g_pool.u_r.draw_points(g_pool.gui.scale)
#update screen
glfw.glfwSwapBuffers(main_window)
glfw.glfwPollEvents()
g_pool.pupil_detector.visualize(
) #detector decides if we visualize or not
# END while running
# in case eye recording was still runnnig: Save&close
if writer:
logger.info("Done recording eye.")
writer = None
np.save(timestamps_path, np.asarray(timestamps))
glfw.glfwRestoreWindow(main_window) #need to do this for windows os
# save session persistent settings
session_settings['gui_scale'] = g_pool.gui.scale
session_settings['roi'] = g_pool.u_r.get()
session_settings['flip'] = g_pool.flip
session_settings['display_mode'] = g_pool.display_mode
session_settings['ui_config'] = g_pool.gui.configuration
session_settings['capture_settings'] = g_pool.capture.settings
session_settings['window_size'] = glfw.glfwGetWindowSize(main_window)
session_settings['window_position'] = glfw.glfwGetWindowPos(
main_window)
session_settings['version'] = g_pool.version
session_settings[
'last_pupil_detector'] = g_pool.pupil_detector.__class__.__name__
session_settings[
'pupil_detector_settings'] = g_pool.pupil_detector.get_settings()
session_settings.close()
g_pool.pupil_detector.cleanup()
g_pool.gui.terminate()
glfw.glfwDestroyWindow(main_window)
glfw.glfwTerminate()
cap.close()
logger.info("Process shutting down.")
def player(rec_dir, ipc_pub_url, ipc_sub_url, ipc_push_url, user_dir,
app_version):
# general imports
from time import sleep
import logging
import errno
from glob import glob
from time import time
# networking
import zmq
import zmq_tools
import numpy as np
# zmq ipc setup
zmq_ctx = zmq.Context()
ipc_pub = zmq_tools.Msg_Dispatcher(zmq_ctx, ipc_push_url)
notify_sub = zmq_tools.Msg_Receiver(zmq_ctx,
ipc_sub_url,
topics=('notify', ))
# log setup
logging.getLogger("OpenGL").setLevel(logging.ERROR)
logger = logging.getLogger()
logger.handlers = []
logger.setLevel(logging.INFO)
logger.addHandler(zmq_tools.ZMQ_handler(zmq_ctx, ipc_push_url))
# create logger for the context of this function
logger = logging.getLogger(__name__)
try:
# imports
from file_methods import Persistent_Dict, load_object
# display
import glfw
# check versions for our own depedencies as they are fast-changing
from pyglui import __version__ as pyglui_version
from pyglui import ui, cygl
from pyglui.cygl.utils import Named_Texture, RGBA
import gl_utils
# capture
from video_capture import File_Source, EndofVideoFileError
# helpers/utils
from version_utils import VersionFormat
from methods import normalize, denormalize, delta_t, get_system_info
from player_methods import correlate_data, is_pupil_rec_dir, load_meta_info
# Plug-ins
from plugin import Plugin, Plugin_List, import_runtime_plugins
from plugin_manager import Plugin_Manager
from vis_circle import Vis_Circle
from vis_cross import Vis_Cross
from vis_polyline import Vis_Polyline
from vis_light_points import Vis_Light_Points
from vis_watermark import Vis_Watermark
from vis_fixation import Vis_Fixation
from vis_scan_path import Vis_Scan_Path
from vis_eye_video_overlay import Vis_Eye_Video_Overlay
from seek_control import Seek_Control
from video_export_launcher import Video_Export_Launcher
from offline_surface_tracker import Offline_Surface_Tracker
# from marker_auto_trim_marks import Marker_Auto_Trim_Marks
from fixation_detector import Offline_Fixation_Detector
from batch_exporter import Batch_Exporter, Batch_Export
from log_display import Log_Display
from annotations import Annotation_Player
from raw_data_exporter import Raw_Data_Exporter
from log_history import Log_History
from pupil_producers import Pupil_From_Recording, Offline_Pupil_Detection
from gaze_producers import Gaze_From_Recording, Offline_Calibration
from system_graphs import System_Graphs
from system_timelines import System_Timelines
from blink_detection import Offline_Blink_Detection
assert VersionFormat(pyglui_version) >= VersionFormat(
'1.17'), 'pyglui out of date, please upgrade to newest version'
runtime_plugins = import_runtime_plugins(
os.path.join(user_dir, 'plugins'))
system_plugins = [
Log_Display, Seek_Control, Plugin_Manager, System_Graphs,
Batch_Export, System_Timelines
]
user_plugins = [
Vis_Circle, Vis_Fixation, Vis_Polyline, Vis_Light_Points,
Vis_Cross, Vis_Watermark, Vis_Eye_Video_Overlay, Vis_Scan_Path,
Offline_Fixation_Detector, Offline_Blink_Detection, Batch_Exporter,
Video_Export_Launcher, Offline_Surface_Tracker, Raw_Data_Exporter,
Annotation_Player, Log_History, Pupil_From_Recording,
Offline_Pupil_Detection, Gaze_From_Recording, Offline_Calibration
] + runtime_plugins
plugins = system_plugins + user_plugins
# Callback functions
def on_resize(window, w, h):
nonlocal window_size
nonlocal hdpi_factor
hdpi_factor = float(
glfw.glfwGetFramebufferSize(window)[0] /
glfw.glfwGetWindowSize(window)[0])
g_pool.gui.scale = g_pool.gui_user_scale * hdpi_factor
window_size = w, h
g_pool.camera_render_size = w - int(
icon_bar_width * g_pool.gui.scale), h
g_pool.gui.update_window(*window_size)
g_pool.gui.collect_menus()
for p in g_pool.plugins:
p.on_window_resize(window, *g_pool.camera_render_size)
def on_window_key(window, key, scancode, action, mods):
g_pool.gui.update_key(key, scancode, action, mods)
def on_window_char(window, char):
g_pool.gui.update_char(char)
def on_window_mouse_button(window, button, action, mods):
g_pool.gui.update_button(button, action, mods)
def on_pos(window, x, y):
x, y = x * hdpi_factor, y * hdpi_factor
g_pool.gui.update_mouse(x, y)
pos = x, y
pos = normalize(pos, g_pool.camera_render_size)
# Position in img pixels
pos = denormalize(pos, g_pool.capture.frame_size)
for p in g_pool.plugins:
p.on_pos(pos)
def on_scroll(window, x, y):
g_pool.gui.update_scroll(x, y * scroll_factor)
def on_drop(window, count, paths):
for x in range(count):
new_rec_dir = paths[x].decode('utf-8')
if is_pupil_rec_dir(new_rec_dir):
logger.debug(
"Starting new session with '{}'".format(new_rec_dir))
ipc_pub.notify({
"subject": "player_drop_process.should_start",
"rec_dir": new_rec_dir
})
glfw.glfwSetWindowShouldClose(window, True)
else:
logger.error("'{}' is not a valid pupil recording".format(
new_rec_dir))
tick = delta_t()
def get_dt():
return next(tick)
video_path = [
f for f in glob(os.path.join(rec_dir, "world.*"))
if os.path.splitext(f)[1] in ('.mp4', '.mkv', '.avi', '.h264',
'.mjpeg')
][0]
pupil_data_path = os.path.join(rec_dir, "pupil_data")
meta_info = load_meta_info(rec_dir)
# log info about Pupil Platform and Platform in player.log
logger.info('Application Version: {}'.format(app_version))
logger.info('System Info: {}'.format(get_system_info()))
icon_bar_width = 50
window_size = None
hdpi_factor = 1.0
# create container for globally scoped vars
g_pool = Global_Container()
g_pool.app = 'player'
g_pool.zmq_ctx = zmq_ctx
g_pool.ipc_pub = ipc_pub
g_pool.ipc_pub_url = ipc_pub_url
g_pool.ipc_sub_url = ipc_sub_url
g_pool.ipc_push_url = ipc_push_url
g_pool.plugin_by_name = {p.__name__: p for p in plugins}
g_pool.camera_render_size = None
# sets itself to g_pool.capture
File_Source(g_pool, video_path)
# load session persistent settings
session_settings = Persistent_Dict(
os.path.join(user_dir, "user_settings_player"))
if VersionFormat(session_settings.get("version",
'0.0')) != app_version:
logger.info(
"Session setting are a different version of this app. I will not use those."
)
session_settings.clear()
g_pool.capture.playback_speed = session_settings.get(
'playback_speed', 1.)
width, height = session_settings.get('window_size',
g_pool.capture.frame_size)
window_pos = session_settings.get('window_position',
window_position_default)
glfw.glfwInit()
main_window = glfw.glfwCreateWindow(
width, height, "Pupil Player: " + meta_info["Recording Name"] +
" - " + rec_dir.split(os.path.sep)[-1], None, None)
glfw.glfwSetWindowPos(main_window, window_pos[0], window_pos[1])
glfw.glfwMakeContextCurrent(main_window)
cygl.utils.init()
g_pool.main_window = main_window
def set_scale(new_scale):
g_pool.gui_user_scale = new_scale
window_size = (
g_pool.camera_render_size[0] +
int(icon_bar_width * g_pool.gui_user_scale * hdpi_factor),
glfw.glfwGetFramebufferSize(main_window)[1])
logger.warning(icon_bar_width * g_pool.gui_user_scale *
hdpi_factor)
glfw.glfwSetWindowSize(main_window, *window_size)
# load pupil_positions, gaze_positions
g_pool.pupil_data = load_object(pupil_data_path)
g_pool.binocular = meta_info.get('Eye Mode',
'monocular') == 'binocular'
g_pool.version = app_version
g_pool.timestamps = g_pool.capture.timestamps
g_pool.get_timestamp = lambda: 0.
g_pool.new_seek = True
g_pool.user_dir = user_dir
g_pool.rec_dir = rec_dir
g_pool.meta_info = meta_info
g_pool.min_data_confidence = session_settings.get(
'min_data_confidence', 0.6)
g_pool.pupil_positions = []
g_pool.gaze_positions = []
g_pool.fixations = []
g_pool.notifications_by_frame = correlate_data(
g_pool.pupil_data['notifications'], g_pool.timestamps)
g_pool.pupil_positions_by_frame = [[] for x in g_pool.timestamps
] # populated by producer`
g_pool.gaze_positions_by_frame = [[] for x in g_pool.timestamps
] # populated by producer
g_pool.fixations_by_frame = [
[] for x in g_pool.timestamps
] # populated by the fixation detector plugin
def set_data_confidence(new_confidence):
g_pool.min_data_confidence = new_confidence
notification = {'subject': 'min_data_confidence_changed'}
notification['_notify_time_'] = time() + .8
g_pool.ipc_pub.notify(notification)
def open_plugin(plugin):
if plugin == "Select to load":
return
g_pool.plugins.add(plugin)
def purge_plugins():
for p in g_pool.plugins:
if p.__class__ in user_plugins:
p.alive = False
g_pool.plugins.clean()
def do_export(_):
export_range = g_pool.seek_control.trim_left, g_pool.seek_control.trim_right
export_dir = os.path.join(g_pool.rec_dir, 'exports',
'{}-{}'.format(*export_range))
try:
os.makedirs(export_dir)
except OSError as e:
if e.errno != errno.EEXIST:
logger.error("Could not create export dir")
raise e
else:
overwrite_warning = "Previous export for range [{}-{}] already exists - overwriting."
logger.warning(overwrite_warning.format(*export_range))
else:
logger.info('Created export dir at "{}"'.format(export_dir))
notification = {
'subject': 'should_export',
'range': export_range,
'export_dir': export_dir
}
g_pool.ipc_pub.notify(notification)
def reset_restart():
logger.warning("Resetting all settings and restarting Player.")
glfw.glfwSetWindowShouldClose(main_window, True)
ipc_pub.notify({'subject': 'clear_settings_process.should_start'})
ipc_pub.notify({
'subject': 'player_process.should_start',
'rec_dir': rec_dir,
'delay': 2.
})
def toggle_general_settings(collapsed):
# this is the menu toggle logic.
# Only one menu can be open.
# If no menu is open the menubar should collapse.
g_pool.menubar.collapsed = collapsed
for m in g_pool.menubar.elements:
m.collapsed = True
general_settings.collapsed = collapsed
g_pool.gui = ui.UI()
g_pool.gui_user_scale = session_settings.get('gui_scale', 1.)
g_pool.menubar = ui.Scrolling_Menu("Settings",
pos=(-500, 0),
size=(-icon_bar_width, 0),
header_pos='left')
g_pool.iconbar = ui.Scrolling_Menu("Icons",
pos=(-icon_bar_width, 0),
size=(0, 0),
header_pos='hidden')
g_pool.timelines = ui.Container((0, 0), (0, 0), (0, 0))
g_pool.timelines.horizontal_constraint = g_pool.menubar
g_pool.user_timelines = ui.Timeline_Menu('User Timelines',
pos=(0., -150.),
size=(0., 0.),
header_pos='headline')
g_pool.user_timelines.color = RGBA(a=0.)
g_pool.user_timelines.collapsed = True
# add container that constaints itself to the seekbar height
vert_constr = ui.Container((0, 0), (0, -50.), (0, 0))
vert_constr.append(g_pool.user_timelines)
g_pool.timelines.append(vert_constr)
general_settings = ui.Growing_Menu('General', header_pos='headline')
general_settings.append(
ui.Button(
'Reset window size', lambda: glfw.glfwSetWindowSize(
main_window, g_pool.capture.frame_size[0], g_pool.capture.
frame_size[1])))
general_settings.append(
ui.Selector('gui_user_scale',
g_pool,
setter=set_scale,
selection=[.8, .9, 1., 1.1, 1.2] +
list(np.arange(1.5, 5.1, .5)),
label='Interface Size'))
general_settings.append(
ui.Info_Text('Player Version: {}'.format(g_pool.version)))
general_settings.append(
ui.Info_Text('Capture Version: {}'.format(
meta_info['Capture Software Version'])))
general_settings.append(
ui.Info_Text('Data Format Version: {}'.format(
meta_info['Data Format Version'])))
general_settings.append(
ui.Slider('min_data_confidence',
g_pool,
setter=set_data_confidence,
step=.05,
min=0.0,
max=1.0,
label='Confidence threshold'))
general_settings.append(
ui.Button('Restart with default settings', reset_restart))
g_pool.menubar.append(general_settings)
icon = ui.Icon('collapsed',
general_settings,
label=chr(0xe8b8),
on_val=False,
off_val=True,
setter=toggle_general_settings,
label_font='pupil_icons')
icon.tooltip = 'General Settings'
g_pool.iconbar.append(icon)
user_plugin_separator = ui.Separator()
user_plugin_separator.order = 0.35
g_pool.iconbar.append(user_plugin_separator)
g_pool.quickbar = ui.Stretching_Menu('Quick Bar', (0, 100),
(100, -100))
g_pool.export_button = ui.Thumb('export',
label=chr(0xe2c5),
getter=lambda: False,
setter=do_export,
hotkey='e',
label_font='pupil_icons')
g_pool.quickbar.extend([g_pool.export_button])
g_pool.gui.append(g_pool.menubar)
g_pool.gui.append(g_pool.timelines)
g_pool.gui.append(g_pool.iconbar)
g_pool.gui.append(g_pool.quickbar)
# we always load these plugins
default_plugins = [('Plugin_Manager', {}), ('Seek_Control', {}),
('Log_Display', {}), ('Raw_Data_Exporter', {}),
('Vis_Polyline', {}), ('Vis_Circle', {}),
('System_Graphs', {}), ('System_Timelines', {}),
('Video_Export_Launcher', {}),
('Pupil_From_Recording', {}),
('Gaze_From_Recording', {})]
g_pool.plugins = Plugin_List(
g_pool, session_settings.get('loaded_plugins', default_plugins))
# Register callbacks main_window
glfw.glfwSetFramebufferSizeCallback(main_window, on_resize)
glfw.glfwSetKeyCallback(main_window, on_window_key)
glfw.glfwSetCharCallback(main_window, on_window_char)
glfw.glfwSetMouseButtonCallback(main_window, on_window_mouse_button)
glfw.glfwSetCursorPosCallback(main_window, on_pos)
glfw.glfwSetScrollCallback(main_window, on_scroll)
glfw.glfwSetDropCallback(main_window, on_drop)
toggle_general_settings(True)
g_pool.gui.configuration = session_settings.get('ui_config', {})
# gl_state settings
gl_utils.basic_gl_setup()
g_pool.image_tex = Named_Texture()
# trigger on_resize
on_resize(main_window, *glfw.glfwGetFramebufferSize(main_window))
def handle_notifications(n):
subject = n['subject']
if subject == 'start_plugin':
g_pool.plugins.add(g_pool.plugin_by_name[n['name']],
args=n.get('args', {}))
elif subject.startswith('meta.should_doc'):
ipc_pub.notify({
'subject': 'meta.doc',
'actor': g_pool.app,
'doc': player.__doc__
})
for p in g_pool.plugins:
if (p.on_notify.__doc__
and p.__class__.on_notify != Plugin.on_notify):
ipc_pub.notify({
'subject': 'meta.doc',
'actor': p.class_name,
'doc': p.on_notify.__doc__
})
while not glfw.glfwWindowShouldClose(main_window):
# fetch newest notifications
new_notifications = []
while notify_sub.new_data:
t, n = notify_sub.recv()
new_notifications.append(n)
# notify each plugin if there are new notifications:
for n in new_notifications:
handle_notifications(n)
for p in g_pool.plugins:
p.on_notify(n)
# grab new frame
if g_pool.capture.play or g_pool.new_seek:
g_pool.new_seek = False
try:
new_frame = g_pool.capture.get_frame()
except EndofVideoFileError:
# end of video logic: pause at last frame.
g_pool.capture.play = False
logger.warning("end of video")
frame = new_frame.copy()
events = {}
events['frame'] = frame
# report time between now and the last loop interation
events['dt'] = get_dt()
# pupil and gaze positions are added by their respective producer plugins
events['pupil_positions'] = []
events['gaze_positions'] = []
# allow each Plugin to do its work.
for p in g_pool.plugins:
p.recent_events(events)
# check if a plugin need to be destroyed
g_pool.plugins.clean()
glfw.glfwMakeContextCurrent(main_window)
# render visual feedback from loaded plugins
if gl_utils.is_window_visible(main_window):
gl_utils.glViewport(0, 0, *g_pool.camera_render_size)
g_pool.capture._recent_frame = frame
g_pool.capture.gl_display()
for p in g_pool.plugins:
p.gl_display()
gl_utils.glViewport(0, 0, *window_size)
try:
clipboard = glfw.glfwGetClipboardString(
main_window).decode()
except AttributeError: # clipbaord is None, might happen on startup
clipboard = ''
g_pool.gui.update_clipboard(clipboard)
user_input = g_pool.gui.update()
if user_input.clipboard and user_input.clipboard != clipboard:
# only write to clipboard if content changed
glfw.glfwSetClipboardString(main_window,
user_input.clipboard.encode())
for b in user_input.buttons:
button, action, mods = b
x, y = glfw.glfwGetCursorPos(main_window)
pos = x * hdpi_factor, y * hdpi_factor
pos = normalize(pos, g_pool.camera_render_size)
pos = denormalize(pos, g_pool.capture.frame_size)
for p in g_pool.plugins:
p.on_click(pos, button, action)
for key, scancode, action, mods in user_input.keys:
for p in g_pool.plugins:
p.on_key(key, scancode, action, mods)
for char_ in user_input.chars:
for p in g_pool.plugins:
p.on_char(char_)
glfw.glfwSwapBuffers(main_window)
# present frames at appropriate speed
g_pool.capture.wait(frame)
glfw.glfwPollEvents()
session_settings['playback_speed'] = g_pool.capture.playback_speed
session_settings['loaded_plugins'] = g_pool.plugins.get_initializers()
session_settings['min_data_confidence'] = g_pool.min_data_confidence
session_settings['gui_scale'] = g_pool.gui_user_scale
session_settings['ui_config'] = g_pool.gui.configuration
session_settings['window_size'] = glfw.glfwGetWindowSize(main_window)
session_settings['window_position'] = glfw.glfwGetWindowPos(
main_window)
session_settings['version'] = str(g_pool.version)
session_settings.close()
# de-init all running plugins
for p in g_pool.plugins:
p.alive = False
g_pool.plugins.clean()
g_pool.capture.cleanup()
g_pool.gui.terminate()
glfw.glfwDestroyWindow(main_window)
except:
import traceback
trace = traceback.format_exc()
logger.error('Process Player crashed with trace:\n{}'.format(trace))
finally:
logger.info("Process shutting down.")
ipc_pub.notify({'subject': 'player_process.stopped'})
sleep(1.0)
class Offline_Reference_Surface(Reference_Surface):
"""docstring for Offline_Reference_Surface"""
def __init__(self,g_pool,name="unnamed",saved_definition=None):
super(Offline_Reference_Surface, self).__init__(name,saved_definition)
self.g_pool = g_pool
self.cache = None
self.gaze_on_srf = [] # points on surface for realtime feedback display
self.heatmap_detail = .2
self.heatmap = None
self.heatmap_texture = None
self.metrics_gazecount = None
self.metrics_texture = None
#cache fn for offline marker
def locate_from_cache(self,frame_idx):
if self.cache == None:
#no cache available cannot update from cache
return False
cache_result = self.cache[frame_idx]
if cache_result == False:
#cached data not avaible for this frame
return False
elif cache_result == None:
#cached data shows surface not found:
self.detected = False
self.m_from_screen = None
self.m_to_screen = None
self.gaze_on_srf = []
self.detected_markers = 0
return True
else:
self.detected = True
self.m_from_screen = cache_result['m_from_screen']
self.m_to_screen = cache_result['m_to_screen']
self.detected_markers = cache_result['detected_markers']
self.gaze_on_srf = self.gaze_on_srf_by_frame_idx(frame_idx,self.m_from_screen)
return True
raise Exception("Invalid cache entry. Please report Bug.")
def update_cache(self,marker_cache,idx=None):
'''
compute surface m's and gaze points from cached marker data
entries are:
- False: when marker cache entry was False (not yet searched)
- None: when surface was not found
- {'m_to_screen':,'m_from_screen':,'detected_markers':,gaze_on_srf}
'''
# iterations = 0
if self.cache == None:
pass
# self.init_cache(marker_cache)
elif idx != None:
#update single data pt
self.cache.update(idx,self.answer_caching_request(marker_cache,idx))
else:
# update where marker cache is not False but surface cache is still false
# this happens when the markercache was incomplete when this fn was run before
for i in range(len(marker_cache)):
if self.cache[i] == False and marker_cache[i] != False:
self.cache.update(i,self.answer_caching_request(marker_cache,i))
# iterations +=1
# return iterations
def init_cache(self,marker_cache):
if self.defined:
logger.debug("Full update of surface '%s' positons cache"%self.name)
self.cache = Cache_List([self.answer_caching_request(marker_cache,i) for i in xrange(len(marker_cache))],positive_eval_fn=lambda x: (x!=False) and (x!=None))
def answer_caching_request(self,marker_cache,frame_index):
visible_markers = marker_cache[frame_index]
# cache point had not been visited
if visible_markers == False:
return False
# cache point had been visited
marker_by_id = dict( [ (m['id'],m) for m in visible_markers] )
visible_ids = set(marker_by_id.keys())
requested_ids = set(self.markers.keys())
overlap = visible_ids & requested_ids
detected_markers = len(overlap)
if len(overlap)>=min(2,len(requested_ids)):
yx = np.array( [marker_by_id[i]['verts_norm'] for i in overlap] )
uv = np.array( [self.markers[i].uv_coords for i in overlap] )
yx.shape=(-1,1,2)
uv.shape=(-1,1,2)
m_to_screen,mask = cv2.findHomography(uv,yx)
m_from_screen,mask = cv2.findHomography(yx,uv)
return {'m_to_screen':m_to_screen,
'm_from_screen':m_from_screen,
'detected_markers':len(overlap)}
else:
#surface not found
return None
def gaze_on_srf_by_frame_idx(self,frame_index,m_from_screen):
return self._on_srf_by_frame_idx(frame_index,m_from_screen,self.g_pool.gaze_positions_by_frame[frame_index])
def fixations_on_srf_by_frame_idx(self,frame_index,m_from_screen):
return self._on_srf_by_frame_idx(frame_index,m_from_screen,self.g_pool.fixations_by_frame[frame_index])
def _on_srf_by_frame_idx(self,frame_idx,m_from_screen,data_by_frame):
data_on_srf = []
for d in data_by_frame:
pos = np.array([d['norm_pos']]).reshape(1,1,2)
mapped_pos = cv2.perspectiveTransform(pos , m_from_screen )
mapped_pos.shape = (2)
on_srf = bool((0 <= mapped_pos[0] <= 1) and (0 <= mapped_pos[1] <= 1))
data_on_srf.append( {'norm_pos':(mapped_pos[0],mapped_pos[1]),'on_srf':on_srf,'base':d } )
return data_on_srf
def gl_display_heatmap(self):
if self.heatmap_texture and self.detected:
# cv uses 3x3 gl uses 4x4 tranformation matricies
m = cvmat_to_glmat(self.m_to_screen)
glMatrixMode(GL_PROJECTION)
glPushMatrix()
glLoadIdentity()
glOrtho(0, 1, 0, 1,-1,1) # gl coord convention
glMatrixMode(GL_MODELVIEW)
glPushMatrix()
#apply m to our quad - this will stretch the quad such that the ref suface will span the window extends
glLoadMatrixf(m)
self.heatmap_texture.draw()
glMatrixMode(GL_PROJECTION)
glPopMatrix()
glMatrixMode(GL_MODELVIEW)
glPopMatrix()
def gl_display_metrics(self):
if self.metrics_texture and self.detected:
# cv uses 3x3 gl uses 4x4 tranformation matricies
m = cvmat_to_glmat(self.m_to_screen)
glMatrixMode(GL_PROJECTION)
glPushMatrix()
glLoadIdentity()
glOrtho(0, 1, 0, 1,-1,1) # gl coord convention
glMatrixMode(GL_MODELVIEW)
glPushMatrix()
#apply m to our quad - this will stretch the quad such that the ref suface will span the window extends
glLoadMatrixf(m)
self.metrics_texture.draw()
glMatrixMode(GL_PROJECTION)
glPopMatrix()
glMatrixMode(GL_MODELVIEW)
glPopMatrix()
#### fns to draw surface in seperate window
def gl_display_in_window(self,world_tex):
"""
here we map a selected surface onto a seperate window.
"""
if self._window and self.detected:
active_window = glfwGetCurrentContext()
glfwMakeContextCurrent(self._window)
clear_gl_screen()
# cv uses 3x3 gl uses 4x4 tranformation matricies
m = cvmat_to_glmat(self.m_from_screen)
glMatrixMode(GL_PROJECTION)
glPushMatrix()
glLoadIdentity()
glOrtho(0, 1, 0, 1,-1,1) # gl coord convention
glMatrixMode(GL_MODELVIEW)
glPushMatrix()
#apply m to our quad - this will stretch the quad such that the ref suface will span the window extends
glLoadMatrixf(m)
world_tex.draw()
glMatrixMode(GL_PROJECTION)
glPopMatrix()
glMatrixMode(GL_MODELVIEW)
glPopMatrix()
if self.heatmap_texture:
self.heatmap_texture.draw()
# now lets get recent pupil positions on this surface:
for gp in self.gaze_on_srf:
draw_points_norm([gp['norm_pos']],color=RGBA(0.0,0.8,0.5,0.8), size=80)
glfwSwapBuffers(self._window)
glfwMakeContextCurrent(active_window)
def generate_heatmap(self,section):
if self.cache is None:
logger.warning('Surface cache is not build yet.')
return
x,y = self.real_world_size['x'],self.real_world_size['y']
x = max(1,int(x))
y = max(1,int(y))
filter_size = (int(self.heatmap_detail * x)/2)*2 +1
std_dev = filter_size /6.
self.heatmap = np.ones((y,x,4),dtype=np.uint8)
all_gaze = []
for frame_idx,c_e in enumerate(self.cache[section]):
if c_e:
frame_idx+=section.start
for gp in self.gaze_on_srf_by_frame_idx(frame_idx,c_e['m_from_screen']):
all_gaze.append(gp['norm_pos'])
if not all_gaze:
logger.warning("No gaze data on surface for heatmap found.")
all_gaze.append((-1.,-1.))
all_gaze = np.array(all_gaze)
all_gaze *= [self.real_world_size['x'],self.real_world_size['y']]
hist,xedge,yedge = np.histogram2d(all_gaze[:,0], all_gaze[:,1],
bins=[x,y],
range=[[0, self.real_world_size['x']], [0,self.real_world_size['y']]],
normed=False,
weights=None)
hist = np.rot90(hist)
#smoothing..
hist = cv2.GaussianBlur(hist, (filter_size,filter_size),std_dev)
maxval = np.amax(hist)
if maxval:
scale = 255./maxval
else:
scale = 0
hist = np.uint8( hist*(scale) )
#colormapping
c_map = cv2.applyColorMap(hist, cv2.COLORMAP_JET)
self.heatmap[:,:,:3] = c_map
self.heatmap[:,:,3] = 125
self.heatmap_texture = Named_Texture()
self.heatmap_texture.update_from_ndarray(self.heatmap)
def visible_count_in_section(self,section):
#section is a slice
#return number of frames where surface is visible.
#If cache is not available on frames it is reported as not visible
if self.cache is None:
return 0
section_cache = self.cache[section]
return sum(map(bool,section_cache))
def gaze_on_srf_in_section(self,section=slice(0,None)):
#section is a slice
#return number of gazepoints that are on surface in section
#If cache is not available on frames it is reported as not visible
if self.cache is None:
return []
gaze_on_srf = []
for frame_idx,c_e in enumerate(self.cache[section]):
frame_idx+=section.start
if c_e:
gaze_on_srf += [gp for gp in self.gaze_on_srf_by_frame_idx(frame_idx,c_e['m_from_screen']) if gp['on_srf']]
return gaze_on_srf
class Offline_Reference_Surface(Reference_Surface):
"""docstring for Offline_Reference_Surface"""
def __init__(self,g_pool,name="unnamed",saved_definition=None):
super(Offline_Reference_Surface, self).__init__(name,saved_definition)
self.g_pool = g_pool
self.cache = None
self.gaze_on_srf = [] # points on surface for realtime feedback display
self.heatmap_detail = .2
self.heatmap = None
self.heatmap_texture = None
self.metrics_gazecount = None
self.metrics_texture = None
#cache fn for offline marker
def locate_from_cache(self,frame_idx):
if self.cache == None:
#no cache available cannot update from cache
return False
cache_result = self.cache[frame_idx]
if cache_result == False:
#cached data not avaible for this frame
return False
elif cache_result == None:
#cached data shows surface not found:
self.detected = False
self.m_from_screen = None
self.m_to_screen = None
self.gaze_on_srf = []
self.detected_markers = 0
return True
else:
self.detected = True
self.m_from_screen = cache_result['m_from_screen']
self.m_to_screen = cache_result['m_to_screen']
self.detected_markers = cache_result['detected_markers']
self.gaze_on_srf = self.gaze_on_srf_by_frame_idx(frame_idx,self.m_from_screen)
return True
raise Exception("Invalid cache entry. Please report Bug.")
def update_cache(self,marker_cache,idx=None):
'''
compute surface m's and gaze points from cached marker data
entries are:
- False: when marker cache entry was False (not yet searched)
- None: when surface was not found
- {'m_to_screen':,'m_from_screen':,'detected_markers':,gaze_on_srf}
'''
# iterations = 0
if self.cache == None:
pass
# self.init_cache(marker_cache)
elif idx != None:
#update single data pt
self.cache.update(idx,self.answer_caching_request(marker_cache,idx))
else:
# update where marker cache is not False but surface cache is still false
# this happens when the markercache was incomplete when this fn was run before
for i in range(len(marker_cache)):
if self.cache[i] == False and marker_cache[i] != False:
self.cache.update(i,self.answer_caching_request(marker_cache,i))
# iterations +=1
# return iterations
def init_cache(self,marker_cache):
if self.defined:
logger.debug("Full update of surface '%s' positons cache"%self.name)
self.cache = Cache_List([self.answer_caching_request(marker_cache,i) for i in xrange(len(marker_cache))],positive_eval_fn=lambda x: (x!=False) and (x!=None))
def answer_caching_request(self,marker_cache,frame_index):
visible_markers = marker_cache[frame_index]
# cache point had not been visited
if visible_markers == False:
return False
# cache point had been visited
marker_by_id = dict( [ (m['id'],m) for m in visible_markers] )
visible_ids = set(marker_by_id.keys())
requested_ids = set(self.markers.keys())
overlap = visible_ids & requested_ids
detected_markers = len(overlap)
if len(overlap)>=min(2,len(requested_ids)):
yx = np.array( [marker_by_id[i]['verts_norm'] for i in overlap] )
uv = np.array( [self.markers[i].uv_coords for i in overlap] )
yx.shape=(-1,1,2)
uv.shape=(-1,1,2)
m_to_screen,mask = cv2.findHomography(uv,yx)
m_from_screen,mask = cv2.findHomography(yx,uv)
return {'m_to_screen':m_to_screen,
'm_from_screen':m_from_screen,
'detected_markers':len(overlap)}
else:
#surface not found
return None
def gaze_on_srf_by_frame_idx(self,frame_index,m_from_screen):
return self._on_srf_by_frame_idx(frame_index,m_from_screen,self.g_pool.gaze_positions_by_frame[frame_index])
def fixations_on_srf_by_frame_idx(self,frame_index,m_from_screen):
return self._on_srf_by_frame_idx(frame_index,m_from_screen,self.g_pool.fixations_by_frame[frame_index])
def _on_srf_by_frame_idx(self,frame_idx,m_from_screen,data_by_frame):
data_on_srf = []
for d in data_by_frame:
pos = np.array([d['norm_pos']]).reshape(1,1,2)
mapped_pos = cv2.perspectiveTransform(pos , m_from_screen )
mapped_pos.shape = (2)
on_srf = bool((0 <= mapped_pos[0] <= 1) and (0 <= mapped_pos[1] <= 1))
data_on_srf.append( {'norm_pos':(mapped_pos[0],mapped_pos[1]),'on_srf':on_srf,'base':d } )
return data_on_srf
def gl_display_heatmap(self):
if self.heatmap_texture and self.detected:
# cv uses 3x3 gl uses 4x4 tranformation matricies
m = cvmat_to_glmat(self.m_to_screen)
glMatrixMode(GL_PROJECTION)
glPushMatrix()
glLoadIdentity()
glOrtho(0, 1, 0, 1,-1,1) # gl coord convention
glMatrixMode(GL_MODELVIEW)
glPushMatrix()
#apply m to our quad - this will stretch the quad such that the ref suface will span the window extends
glLoadMatrixf(m)
self.heatmap_texture.draw()
glMatrixMode(GL_PROJECTION)
glPopMatrix()
glMatrixMode(GL_MODELVIEW)
glPopMatrix()
def gl_display_metrics(self):
if self.metrics_texture and self.detected:
# cv uses 3x3 gl uses 4x4 tranformation matricies
m = cvmat_to_glmat(self.m_to_screen)
glMatrixMode(GL_PROJECTION)
glPushMatrix()
glLoadIdentity()
glOrtho(0, 1, 0, 1,-1,1) # gl coord convention
glMatrixMode(GL_MODELVIEW)
glPushMatrix()
#apply m to our quad - this will stretch the quad such that the ref suface will span the window extends
glLoadMatrixf(m)
self.metrics_texture.draw()
glMatrixMode(GL_PROJECTION)
glPopMatrix()
glMatrixMode(GL_MODELVIEW)
glPopMatrix()
#### fns to draw surface in seperate window
def gl_display_in_window(self,world_tex):
"""
here we map a selected surface onto a seperate window.
"""
if self._window and self.detected:
active_window = glfwGetCurrentContext()
glfwMakeContextCurrent(self._window)
clear_gl_screen()
# cv uses 3x3 gl uses 4x4 tranformation matricies
m = cvmat_to_glmat(self.m_from_screen)
glMatrixMode(GL_PROJECTION)
glPushMatrix()
glLoadIdentity()
glOrtho(0, 1, 0, 1,-1,1) # gl coord convention
glMatrixMode(GL_MODELVIEW)
glPushMatrix()
#apply m to our quad - this will stretch the quad such that the ref suface will span the window extends
glLoadMatrixf(m)
world_tex.draw()
glMatrixMode(GL_PROJECTION)
glPopMatrix()
glMatrixMode(GL_MODELVIEW)
glPopMatrix()
if self.heatmap_texture:
self.heatmap_texture.draw()
# now lets get recent pupil positions on this surface:
for gp in self.gaze_on_srf:
draw_points_norm([gp['norm_pos']],color=RGBA(0.0,0.8,0.5,0.8), size=80)
glfwSwapBuffers(self._window)
glfwMakeContextCurrent(active_window)
def generate_heatmap(self,section):
if self.cache is None:
logger.warning('Surface cache is not build yet.')
return
x,y = self.real_world_size['x'],self.real_world_size['y']
x = max(1,int(x))
y = max(1,int(y))
filter_size = (int(self.heatmap_detail * x)/2)*2 +1
std_dev = filter_size /6.
self.heatmap = np.ones((y,x,4),dtype=np.uint8)
all_gaze = []
for frame_idx,c_e in enumerate(self.cache[section]):
if c_e:
frame_idx+=section.start
for gp in self.gaze_on_srf_by_frame_idx(frame_idx,c_e['m_from_screen']):
all_gaze.append(gp['norm_pos'])
if not all_gaze:
logger.warning("No gaze data on surface for heatmap found.")
all_gaze.append((-1.,-1.))
all_gaze = np.array(all_gaze)
all_gaze *= [self.real_world_size['x'],self.real_world_size['y']]
hist,xedge,yedge = np.histogram2d(all_gaze[:,0], all_gaze[:,1],
bins=[x,y],
range=[[0, self.real_world_size['x']], [0,self.real_world_size['y']]],
normed=False,
weights=None)
hist = np.rot90(hist)
#smoothing..
hist = cv2.GaussianBlur(hist, (filter_size,filter_size),std_dev)
maxval = np.amax(hist)
if maxval:
scale = 255./maxval
else:
scale = 0
hist = np.uint8( hist*(scale) )
#colormapping
c_map = cv2.applyColorMap(hist, cv2.COLORMAP_JET)
self.heatmap[:,:,:3] = c_map
self.heatmap[:,:,3] = 125
self.heatmap_texture = Named_Texture()
self.heatmap_texture.update_from_ndarray(self.heatmap)
def visible_count_in_section(self,section):
#section is a slice
#return number of frames where surface is visible.
#If cache is not available on frames it is reported as not visible
if self.cache is None:
return 0
section_cache = self.cache[section]
return sum(map(bool,section_cache))
def gaze_on_srf_in_section(self,section=slice(0,None)):
#section is a slice
#return number of gazepoints that are on surface in section
#If cache is not available on frames it is reported as not visible
if self.cache is None:
return []
gaze_on_srf = []
for frame_idx,c_e in enumerate(self.cache[section]):
frame_idx+=section.start
if c_e:
gaze_on_srf += [gp for gp in self.gaze_on_srf_by_frame_idx(frame_idx,c_e['m_from_screen']) if gp['on_srf']]
return gaze_on_srf
class Offline_Reference_Surface(Reference_Surface):
"""docstring for Offline_Reference_Surface"""
def __init__(self, g_pool, name="unnamed", saved_definition=None):
super(Offline_Reference_Surface, self).__init__(name, saved_definition)
self.g_pool = g_pool
self.cache = None
self.gaze_on_srf = [
] # points on surface for realtime feedback display
self.heatmap_detail = .2
self.heatmap = None
self.heatmap_texture = None
self.metrics_gazecount = None
self.metrics_texture = None
#cache fn for offline marker
def locate_from_cache(self, frame_idx):
if self.cache == None:
#no cache available cannot update from cache
return False
cache_result = self.cache[frame_idx]
if cache_result == False:
#cached data not avaible for this frame
return False
elif cache_result == None:
#cached data shows surface not found:
self.detected = False
self.m_from_screen = None
self.m_to_screen = None
self.gaze_on_srf = []
self.detected_markers = 0
return True
else:
self.detected = True
self.m_from_screen = cache_result['m_from_screen']
self.m_to_screen = cache_result['m_to_screen']
self.detected_markers = cache_result['detected_markers']
self.gaze_on_srf = self.gaze_on_srf_by_frame_idx(
frame_idx, self.m_from_screen)
return True
raise Exception("Invalid cache entry. Please report Bug.")
def update_cache(self,
marker_cache,
camera_calibration,
min_marker_perimeter,
min_id_confidence,
idx=None):
'''
compute surface m's and gaze points from cached marker data
entries are:
- False: when marker cache entry was False (not yet searched)
- None: when surface was not found
- {'m_to_screen':,'m_from_screen':,'detected_markers':,gaze_on_srf}
'''
# iterations = 0
if self.cache == None:
pass
# self.init_cache(marker_cache)
elif idx != None:
#update single data pt
self.cache.update(
idx,
self.answer_caching_request(marker_cache, idx,
camera_calibration,
min_marker_perimeter,
min_id_confidence))
else:
# update where marker cache is not False but surface cache is still false
# this happens when the markercache was incomplete when this fn was run before
for i in range(len(marker_cache)):
if self.cache[i] == False and marker_cache[i] != False:
self.cache.update(
i,
self.answer_caching_request(marker_cache, i,
camera_calibration,
min_marker_perimeter,
min_id_confidence))
# iterations +=1
# return iterations
def init_cache(self, marker_cache, camera_calibration,
min_marker_perimeter, min_id_confidence):
if self.defined:
logger.debug("Full update of surface '%s' positons cache" %
self.name)
self.cache = Cache_List([
self.answer_caching_request(
marker_cache, i, camera_calibration, min_marker_perimeter,
min_id_confidence) for i in xrange(len(marker_cache))
],
positive_eval_fn=lambda x:
(x != False) and (x != None))
def answer_caching_request(self, marker_cache, frame_index,
camera_calibration, min_marker_perimeter,
min_id_confidence):
visible_markers = marker_cache[frame_index]
# cache point had not been visited
if visible_markers == False:
return False
res = self._get_location(visible_markers,
camera_calibration,
min_marker_perimeter,
min_id_confidence,
locate_3d=False)
if res['detected']:
return res
else:
#surface not found
return None
def move_vertex(self, vert_idx, new_pos):
super(Offline_Reference_Surface, self).move_vertex(vert_idx, new_pos)
self.cache = None
self.heatmap = None
def add_marker(self, marker, visible_markers, camera_calibration,
min_marker_perimeter, min_id_confidence):
super(Offline_Reference_Surface,
self).add_marker(marker, visible_markers, camera_calibration,
min_marker_perimeter, min_id_confidence)
self.cache = None
self.heatmap = None
def remove_marker(self, marker):
super(Offline_Reference_Surface, self).remove_marker(marker)
self.cache = None
self.heatmap = None
def gaze_on_srf_by_frame_idx(self, frame_index, m_from_screen):
return self.map_data_to_surface(
self.g_pool.gaze_positions_by_frame[frame_index], m_from_screen)
def fixations_on_srf_by_frame_idx(self, frame_index, m_from_screen):
return self.map_data_to_surface(
self.g_pool.fixations_by_frame[frame_index], m_from_screen)
def gl_display_heatmap(self):
if self.heatmap_texture and self.detected:
# cv uses 3x3 gl uses 4x4 tranformation matricies
m = cvmat_to_glmat(self.m_to_screen)
glMatrixMode(GL_PROJECTION)
glPushMatrix()
glLoadIdentity()
glOrtho(0, 1, 0, 1, -1, 1) # gl coord convention
glMatrixMode(GL_MODELVIEW)
glPushMatrix()
#apply m to our quad - this will stretch the quad such that the ref suface will span the window extends
glLoadMatrixf(m)
self.heatmap_texture.draw()
glMatrixMode(GL_PROJECTION)
glPopMatrix()
glMatrixMode(GL_MODELVIEW)
glPopMatrix()
def gl_display_metrics(self):
if self.metrics_texture and self.detected:
# cv uses 3x3 gl uses 4x4 tranformation matricies
m = cvmat_to_glmat(self.m_to_screen)
glMatrixMode(GL_PROJECTION)
glPushMatrix()
glLoadIdentity()
glOrtho(0, 1, 0, 1, -1, 1) # gl coord convention
glMatrixMode(GL_MODELVIEW)
glPushMatrix()
#apply m to our quad - this will stretch the quad such that the ref suface will span the window extends
glLoadMatrixf(m)
self.metrics_texture.draw()
glMatrixMode(GL_PROJECTION)
glPopMatrix()
glMatrixMode(GL_MODELVIEW)
glPopMatrix()
def generate_heatmap(self, section):
if self.cache is None:
logger.warning('Surface cache is not build yet.')
return
x, y = self.real_world_size['x'], self.real_world_size['y']
x = max(1, int(x))
y = max(1, int(y))
filter_size = (int(self.heatmap_detail * x) / 2) * 2 + 1
std_dev = filter_size / 6.
self.heatmap = np.ones((y, x, 4), dtype=np.uint8)
all_gaze = []
for frame_idx, c_e in enumerate(self.cache[section]):
if c_e:
frame_idx += section.start
for gp in self.gaze_on_srf_by_frame_idx(
frame_idx, c_e['m_from_screen']):
if gp['confidence'] >= self.g_pool.min_data_confidence:
all_gaze.append(gp['norm_pos'])
if not all_gaze:
logger.warning("No gaze data on surface for heatmap found.")
all_gaze.append((-1., -1.))
all_gaze = np.array(all_gaze)
all_gaze *= [self.real_world_size['x'], self.real_world_size['y']]
hist, xedge, yedge = np.histogram2d(
all_gaze[:, 0],
all_gaze[:, 1],
bins=[x, y],
range=[[0, self.real_world_size['x']],
[0, self.real_world_size['y']]],
normed=False,
weights=None)
hist = np.rot90(hist)
#smoothing..
hist = cv2.GaussianBlur(hist, (filter_size, filter_size), std_dev)
maxval = np.amax(hist)
if maxval:
scale = 255. / maxval
else:
scale = 0
hist = np.uint8(hist * (scale))
#colormapping
c_map = cv2.applyColorMap(hist, cv2.COLORMAP_JET)
self.heatmap[:, :, :3] = c_map
self.heatmap[:, :, 3] = 125
self.heatmap_texture = Named_Texture()
self.heatmap_texture.update_from_ndarray(self.heatmap)
def visible_count_in_section(self, section):
#section is a slice
#return number of frames where surface is visible.
#If cache is not available on frames it is reported as not visible
if self.cache is None:
return 0
section_cache = self.cache[section]
return sum(map(bool, section_cache))
def gaze_on_srf_in_section(self, section=slice(0, None)):
#section is a slice
#return number of gazepoints that are on surface in section
#If cache is not available on frames it is reported as not visible
if self.cache is None:
return []
gaze_on_srf = []
for frame_idx, c_e in enumerate(self.cache[section]):
frame_idx += section.start
if c_e:
gaze_on_srf += [
gp for gp in self.gaze_on_srf_by_frame_idx(
frame_idx, c_e['m_from_screen']) if gp['on_srf']
]
return gaze_on_srf
def world(timebase, eyes_are_alive, ipc_pub_url, ipc_sub_url, ipc_push_url,
user_dir, version):
"""Reads world video and runs plugins.
Creates a window, gl context.
Grabs images from a capture.
Maps pupil to gaze data
Can run various plug-ins.
Reacts to notifications:
``set_detection_mapping_mode``
``eye_process.started``
``start_plugin``
Emits notifications:
``eye_process.should_start``
``eye_process.should_stop``
``set_detection_mapping_mode``
``world_process.started``
``world_process.stopped``
``recording.should_stop``: Emits on camera failure
``launcher_process.should_stop``
Emits data:
``gaze``: Gaze data from current gaze mapping plugin.``
``*``: any other plugin generated data in the events
that it not [dt,pupil,gaze].
"""
# We defer the imports because of multiprocessing.
# Otherwise the world process each process also loads the other imports.
# This is not harmful but unnecessary.
# general imports
from time import sleep
import logging
# networking
import zmq
import zmq_tools
# zmq ipc setup
zmq_ctx = zmq.Context()
ipc_pub = zmq_tools.Msg_Dispatcher(zmq_ctx, ipc_push_url)
notify_sub = zmq_tools.Msg_Receiver(zmq_ctx,
ipc_sub_url,
topics=('notify', ))
# log setup
logging.getLogger("OpenGL").setLevel(logging.ERROR)
logger = logging.getLogger()
logger.handlers = []
# logger.setLevel(logging.DEBUG)
logger.addHandler(zmq_tools.ZMQ_handler(zmq_ctx, ipc_push_url))
# create logger for the context of this function
logger = logging.getLogger(__name__)
def launch_eye_process(eye_id, delay=0):
n = {
'subject': 'eye_process.should_start.{}'.format(eye_id),
'eye_id': eye_id,
'delay': delay
}
ipc_pub.notify(n)
def stop_eye_process(eye_id):
n = {
'subject': 'eye_process.should_stop.{}'.format(eye_id),
'eye_id': eye_id,
'delay': 0.2
}
ipc_pub.notify(n)
def start_stop_eye(eye_id, make_alive):
if make_alive:
launch_eye_process(eye_id)
else:
stop_eye_process(eye_id)
def set_detection_mapping_mode(new_mode):
n = {'subject': 'set_detection_mapping_mode', 'mode': new_mode}
ipc_pub.notify(n)
try:
# display
import glfw
from version_utils import VersionFormat
from pyglui import ui, cygl, __version__ as pyglui_version
assert VersionFormat(pyglui_version) >= VersionFormat(
'1.9'), 'pyglui out of date, please upgrade to newest version'
from pyglui.cygl.utils import Named_Texture
import gl_utils
# helpers/utils
from file_methods import Persistent_Dict
from methods import normalize, denormalize, delta_t, get_system_info, timer
from uvc import get_time_monotonic
logger.info('Application Version: {}'.format(version))
logger.info('System Info: {}'.format(get_system_info()))
import audio
# trigger pupil detector cpp build:
import pupil_detectors
del pupil_detectors
# Plug-ins
from plugin import Plugin, System_Plugin_Base, Plugin_List, import_runtime_plugins
from plugin_manager import Plugin_Manager
from calibration_routines import calibration_plugins, gaze_mapping_plugins, Calibration_Plugin, Gaze_Mapping_Plugin
from fixation_detector import Fixation_Detector
from recorder import Recorder
from display_recent_gaze import Display_Recent_Gaze
from time_sync import Time_Sync
from pupil_remote import Pupil_Remote
from pupil_groups import Pupil_Groups
from surface_tracker import Surface_Tracker
from log_display import Log_Display
from annotations import Annotation_Capture
from log_history import Log_History
from frame_publisher import Frame_Publisher
from blink_detection import Blink_Detection
from video_capture import source_classes, manager_classes, Base_Manager, Base_Source
from pupil_data_relay import Pupil_Data_Relay
from remote_recorder import Remote_Recorder
from audio_capture import Audio_Capture
from accuracy_visualizer import Accuracy_Visualizer
# from saccade_detector import Saccade_Detector
from system_graphs import System_Graphs
from camera_intrinsics_estimation import Camera_Intrinsics_Estimation
from hololens_relay import Hololens_Relay
# UI Platform tweaks
if platform.system() == 'Linux':
scroll_factor = 10.0
window_position_default = (30, 30)
elif platform.system() == 'Windows':
scroll_factor = 10.0
window_position_default = (8, 31)
else:
scroll_factor = 1.0
window_position_default = (0, 0)
icon_bar_width = 50
window_size = None
camera_render_size = None
hdpi_factor = 1.0
# g_pool holds variables for this process they are accesible to all plugins
g_pool = Global_Container()
g_pool.app = 'capture'
g_pool.process = 'world'
g_pool.user_dir = user_dir
g_pool.version = version
g_pool.timebase = timebase
g_pool.zmq_ctx = zmq_ctx
g_pool.ipc_pub = ipc_pub
g_pool.ipc_pub_url = ipc_pub_url
g_pool.ipc_sub_url = ipc_sub_url
g_pool.ipc_push_url = ipc_push_url
g_pool.eyes_are_alive = eyes_are_alive
def get_timestamp():
return get_time_monotonic() - g_pool.timebase.value
g_pool.get_timestamp = get_timestamp
g_pool.get_now = get_time_monotonic
# manage plugins
runtime_plugins = import_runtime_plugins(
os.path.join(g_pool.user_dir, 'plugins'))
user_plugins = [
Audio_Capture, Pupil_Groups, Frame_Publisher, Pupil_Remote,
Time_Sync, Surface_Tracker, Annotation_Capture, Log_History,
Fixation_Detector, Blink_Detection, Remote_Recorder,
Accuracy_Visualizer, Camera_Intrinsics_Estimation, Hololens_Relay
]
system_plugins = [
Log_Display, Display_Recent_Gaze, Recorder, Pupil_Data_Relay,
Plugin_Manager, System_Graphs
] + manager_classes + source_classes
plugins = system_plugins + user_plugins + runtime_plugins + calibration_plugins + gaze_mapping_plugins
user_plugins += [
p for p in runtime_plugins
if not isinstance(p, (Base_Manager, Base_Source,
System_Plugin_Base, Calibration_Plugin,
Gaze_Mapping_Plugin))
]
g_pool.plugin_by_name = {p.__name__: p for p in plugins}
default_capture_settings = {
'preferred_names': [
"Pupil Cam1 ID2", "Logitech Camera", "(046d:081d)", "C510",
"B525", "C525", "C615", "C920", "C930e"
],
'frame_size': (1280, 720),
'frame_rate':
30
}
default_plugins = [("UVC_Source", default_capture_settings),
('Pupil_Data_Relay', {}), ('UVC_Manager', {}),
('Log_Display', {}), ('Dummy_Gaze_Mapper', {}),
('Display_Recent_Gaze', {}),
('Screen_Marker_Calibration', {}), ('Recorder', {}),
('Pupil_Remote', {}), ('Plugin_Manager', {}),
('System_Graphs', {})]
# Callback functions
def on_resize(window, w, h):
nonlocal window_size
nonlocal camera_render_size
nonlocal hdpi_factor
hdpi_factor = float(
glfw.glfwGetFramebufferSize(window)[0] /
glfw.glfwGetWindowSize(window)[0])
g_pool.gui.scale = g_pool.gui_user_scale * hdpi_factor
window_size = w, h
camera_render_size = w - int(icon_bar_width * g_pool.gui.scale), h
g_pool.gui.update_window(*window_size)
g_pool.gui.collect_menus()
for p in g_pool.plugins:
p.on_window_resize(window, *camera_render_size)
def on_window_key(window, key, scancode, action, mods):
g_pool.gui.update_key(key, scancode, action, mods)
def on_window_char(window, char):
g_pool.gui.update_char(char)
def on_window_mouse_button(window, button, action, mods):
g_pool.gui.update_button(button, action, mods)
def on_pos(window, x, y):
x, y = x * hdpi_factor, y * hdpi_factor
g_pool.gui.update_mouse(x, y)
pos = x, y
pos = normalize(pos, camera_render_size)
# Position in img pixels
pos = denormalize(pos, g_pool.capture.frame_size)
for p in g_pool.plugins:
p.on_pos(pos)
def on_scroll(window, x, y):
g_pool.gui.update_scroll(x, y * scroll_factor)
def on_drop(window, count, paths):
paths = [paths[x].decode('utf-8') for x in range(count)]
for p in g_pool.plugins:
p.on_drop(paths)
tick = delta_t()
def get_dt():
return next(tick)
# load session persistent settings
session_settings = Persistent_Dict(
os.path.join(g_pool.user_dir, 'user_settings_world'))
if VersionFormat(session_settings.get("version",
'0.0')) != g_pool.version:
logger.info(
"Session setting are from a different version of this app. I will not use those."
)
session_settings.clear()
g_pool.detection_mapping_mode = session_settings.get(
'detection_mapping_mode', '3d')
g_pool.active_calibration_plugin = None
g_pool.active_gaze_mapping_plugin = None
g_pool.capture = None
audio.audio_mode = session_settings.get('audio_mode',
audio.default_audio_mode)
def handle_notifications(n):
subject = n['subject']
if subject == 'set_detection_mapping_mode':
if n['mode'] == '2d':
if ("Vector_Gaze_Mapper"
in g_pool.active_gaze_mapping_plugin.class_name):
logger.warning(
"The gaze mapper is not supported in 2d mode. Please recalibrate."
)
g_pool.plugins.add(
g_pool.plugin_by_name['Dummy_Gaze_Mapper'])
g_pool.detection_mapping_mode = n['mode']
elif subject == 'start_plugin':
g_pool.plugins.add(g_pool.plugin_by_name[n['name']],
args=n.get('args', {}))
elif subject == 'stop_plugin':
for p in g_pool.plugins:
if p.class_name == n['name']:
p.alive = False
g_pool.plugins.clean()
elif subject == 'eye_process.started':
n = {
'subject': 'set_detection_mapping_mode',
'mode': g_pool.detection_mapping_mode
}
ipc_pub.notify(n)
elif subject.startswith('meta.should_doc'):
ipc_pub.notify({
'subject': 'meta.doc',
'actor': g_pool.app,
'doc': world.__doc__
})
for p in g_pool.plugins:
if (p.on_notify.__doc__
and p.__class__.on_notify != Plugin.on_notify):
ipc_pub.notify({
'subject': 'meta.doc',
'actor': p.class_name,
'doc': p.on_notify.__doc__
})
# window and gl setup
glfw.glfwInit()
width, height = session_settings.get('window_size',
(1280 + icon_bar_width, 720))
main_window = glfw.glfwCreateWindow(width, height,
"Pupil Capture - World")
window_pos = session_settings.get('window_position',
window_position_default)
glfw.glfwSetWindowPos(main_window, window_pos[0], window_pos[1])
glfw.glfwMakeContextCurrent(main_window)
cygl.utils.init()
g_pool.main_window = main_window
def set_scale(new_scale):
g_pool.gui_user_scale = new_scale
window_size = camera_render_size[0] + \
int(icon_bar_width * g_pool.gui_user_scale * hdpi_factor), \
glfw.glfwGetFramebufferSize(main_window)[1]
logger.warning(icon_bar_width * g_pool.gui_user_scale *
hdpi_factor)
glfw.glfwSetWindowSize(main_window, *window_size)
def reset_restart():
logger.warning("Resetting all settings and restarting Capture.")
glfw.glfwSetWindowShouldClose(main_window, True)
ipc_pub.notify({'subject': 'clear_settings_process.should_start'})
ipc_pub.notify({
'subject': 'world_process.should_start',
'delay': 2.
})
def toggle_general_settings(collapsed):
# this is the menu toggle logic.
# Only one menu can be open.
# If no menu is open the menubar should collapse.
g_pool.menubar.collapsed = collapsed
for m in g_pool.menubar.elements:
m.collapsed = True
general_settings.collapsed = collapsed
# setup GUI
g_pool.gui = ui.UI()
g_pool.gui_user_scale = session_settings.get('gui_scale', 1.)
g_pool.menubar = ui.Scrolling_Menu("Settings",
pos=(-400, 0),
size=(-icon_bar_width, 0),
header_pos='left')
g_pool.iconbar = ui.Scrolling_Menu("Icons",
pos=(-icon_bar_width, 0),
size=(0, 0),
header_pos='hidden')
g_pool.quickbar = ui.Stretching_Menu('Quick Bar', (0, 100),
(120, -100))
g_pool.gui.append(g_pool.menubar)
g_pool.gui.append(g_pool.iconbar)
g_pool.gui.append(g_pool.quickbar)
general_settings = ui.Growing_Menu('General', header_pos='headline')
general_settings.append(
ui.Selector('gui_user_scale',
g_pool,
setter=set_scale,
selection=[.6, .8, 1., 1.2, 1.4],
label='Interface size'))
def set_window_size():
f_width, f_height = g_pool.capture.frame_size
f_width += int(icon_bar_width * g_pool.gui.scale)
glfw.glfwSetWindowSize(main_window, f_width, f_height)
general_settings.append(ui.Button('Reset window size',
set_window_size))
general_settings.append(
ui.Selector('audio_mode', audio, selection=audio.audio_modes))
general_settings.append(
ui.Selector('detection_mapping_mode',
g_pool,
label='detection & mapping mode',
setter=set_detection_mapping_mode,
selection=['2d', '3d']))
general_settings.append(
ui.Switch('eye0_process',
label='Detect eye 0',
setter=lambda alive: start_stop_eye(0, alive),
getter=lambda: eyes_are_alive[0].value))
general_settings.append(
ui.Switch('eye1_process',
label='Detect eye 1',
setter=lambda alive: start_stop_eye(1, alive),
getter=lambda: eyes_are_alive[1].value))
general_settings.append(
ui.Info_Text('Capture Version: {}'.format(g_pool.version)))
general_settings.append(
ui.Button('Restart with default settings', reset_restart))
g_pool.menubar.append(general_settings)
icon = ui.Icon('collapsed',
general_settings,
label=chr(0xe8b8),
on_val=False,
off_val=True,
setter=toggle_general_settings,
label_font='pupil_icons')
icon.tooltip = 'General Settings'
g_pool.iconbar.append(icon)
user_plugin_separator = ui.Separator()
user_plugin_separator.order = 0.35
g_pool.iconbar.append(user_plugin_separator)
# plugins that are loaded based on user settings from previous session
g_pool.plugins = Plugin_List(
g_pool, session_settings.get('loaded_plugins', default_plugins))
# Register callbacks main_window
glfw.glfwSetFramebufferSizeCallback(main_window, on_resize)
glfw.glfwSetKeyCallback(main_window, on_window_key)
glfw.glfwSetCharCallback(main_window, on_window_char)
glfw.glfwSetMouseButtonCallback(main_window, on_window_mouse_button)
glfw.glfwSetCursorPosCallback(main_window, on_pos)
glfw.glfwSetScrollCallback(main_window, on_scroll)
glfw.glfwSetDropCallback(main_window, on_drop)
# gl_state settings
gl_utils.basic_gl_setup()
g_pool.image_tex = Named_Texture()
toggle_general_settings(False)
# now the we have aproper window we can load the last gui configuration
g_pool.gui.configuration = session_settings.get('ui_config', {})
# create a timer to control window update frequency
window_update_timer = timer(1 / 60)
def window_should_update():
return next(window_update_timer)
# trigger setup of window and gl sizes
on_resize(main_window, *glfw.glfwGetFramebufferSize(main_window))
if session_settings.get('eye1_process_alive', False):
launch_eye_process(1, delay=0.6)
if session_settings.get('eye0_process_alive', True):
launch_eye_process(0, delay=0.3)
ipc_pub.notify({'subject': 'world_process.started'})
logger.warning('Process started.')
# Event loop
while not glfw.glfwWindowShouldClose(main_window):
# fetch newest notifications
new_notifications = []
while notify_sub.new_data:
t, n = notify_sub.recv()
new_notifications.append(n)
# notify each plugin if there are new notifications:
for n in new_notifications:
handle_notifications(n)
for p in g_pool.plugins:
p.on_notify(n)
#a dictionary that allows plugins to post and read events
events = {}
# report time between now and the last loop interation
events['dt'] = get_dt()
# allow each Plugin to do its work.
for p in g_pool.plugins:
p.recent_events(events)
# check if a plugin need to be destroyed
g_pool.plugins.clean()
# send new events to ipc:
del events['pupil_positions'] # already on the wire
del events['gaze_positions'] # sent earlier
if 'frame' in events:
del events['frame'] # send explicity with frame publisher
if 'depth_frame' in events:
del events['depth_frame']
if 'audio_packets' in events:
del events['audio_packets']
del events['dt'] # no need to send this
for topic, data in events.items():
assert (isinstance(data, (list, tuple)))
for d in data:
ipc_pub.send(topic, d)
glfw.glfwMakeContextCurrent(main_window)
# render visual feedback from loaded plugins
if window_should_update() and gl_utils.is_window_visible(
main_window):
gl_utils.glViewport(0, 0, *camera_render_size)
for p in g_pool.plugins:
p.gl_display()
gl_utils.glViewport(0, 0, *window_size)
unused_elements = g_pool.gui.update()
for button, action, mods in unused_elements.buttons:
x, y = glfw.glfwGetCursorPos(main_window)
pos = x * hdpi_factor, y * hdpi_factor
pos = normalize(pos, camera_render_size)
# Position in img pixels
pos = denormalize(pos, g_pool.capture.frame_size)
for p in g_pool.plugins:
p.on_click(pos, button, action)
for key, scancode, action, mods in unused_elements.keys:
for p in g_pool.plugins:
p.on_key(key, scancode, action, mods)
for char_ in unused_elements.chars:
for p in g_pool.plugins:
p.on_char(char_)
glfw.glfwSwapBuffers(main_window)
glfw.glfwPollEvents()
glfw.glfwRestoreWindow(main_window) # need to do this for windows os
session_settings['loaded_plugins'] = g_pool.plugins.get_initializers()
session_settings['gui_scale'] = g_pool.gui_user_scale
session_settings['ui_config'] = g_pool.gui.configuration
session_settings['window_size'] = glfw.glfwGetWindowSize(main_window)
session_settings['window_position'] = glfw.glfwGetWindowPos(
main_window)
session_settings['version'] = str(g_pool.version)
session_settings['eye0_process_alive'] = eyes_are_alive[0].value
session_settings['eye1_process_alive'] = eyes_are_alive[1].value
session_settings[
'detection_mapping_mode'] = g_pool.detection_mapping_mode
session_settings['audio_mode'] = audio.audio_mode
session_settings.close()
# de-init all running plugins
for p in g_pool.plugins:
p.alive = False
g_pool.plugins.clean()
g_pool.gui.terminate()
glfw.glfwDestroyWindow(main_window)
glfw.glfwTerminate()
except:
import traceback
trace = traceback.format_exc()
logger.error('Process Capture crashed with trace:\n{}'.format(trace))
finally:
# shut down eye processes:
stop_eye_process(0)
stop_eye_process(1)
logger.info("Process shutting down.")
ipc_pub.notify({'subject': 'world_process.stopped'})
sleep(1.0)
def player(rec_dir, ipc_pub_url, ipc_sub_url,
ipc_push_url, user_dir, app_version):
# general imports
import logging
import errno
from glob import glob
from copy import deepcopy
from time import time
# networking
import zmq
import zmq_tools
# zmq ipc setup
zmq_ctx = zmq.Context()
ipc_pub = zmq_tools.Msg_Dispatcher(zmq_ctx, ipc_push_url)
notify_sub = zmq_tools.Msg_Receiver(zmq_ctx, ipc_sub_url, topics=('notify',))
# log setup
logging.getLogger("OpenGL").setLevel(logging.ERROR)
logger = logging.getLogger()
logger.handlers = []
logger.setLevel(logging.INFO)
logger.addHandler(zmq_tools.ZMQ_handler(zmq_ctx, ipc_push_url))
# create logger for the context of this function
logger = logging.getLogger(__name__)
# imports
from file_methods import Persistent_Dict, load_object
# display
import glfw
# check versions for our own depedencies as they are fast-changing
from pyglui import __version__ as pyglui_version
from pyglui import ui, graph, cygl
from pyglui.cygl.utils import Named_Texture
import gl_utils
# capture
from video_capture import File_Source, EndofVideoFileError, FileSeekError
# helpers/utils
from version_utils import VersionFormat
from methods import normalize, denormalize, delta_t, get_system_info
from player_methods import correlate_data, is_pupil_rec_dir, load_meta_info
# monitoring
import psutil
# Plug-ins
from plugin import Plugin, Plugin_List, import_runtime_plugins, Visualizer_Plugin_Base, Analysis_Plugin_Base, Producer_Plugin_Base
from vis_circle import Vis_Circle
from vis_cross import Vis_Cross
from vis_polyline import Vis_Polyline
from vis_light_points import Vis_Light_Points
from vis_watermark import Vis_Watermark
from vis_fixation import Vis_Fixation
from vis_scan_path import Vis_Scan_Path
from vis_eye_video_overlay import Vis_Eye_Video_Overlay
from seek_bar import Seek_Bar
from trim_marks import Trim_Marks
from video_export_launcher import Video_Export_Launcher
from offline_surface_tracker import Offline_Surface_Tracker
from marker_auto_trim_marks import Marker_Auto_Trim_Marks
from fixation_detector import Gaze_Position_2D_Fixation_Detector, Pupil_Angle_3D_Fixation_Detector
# from manual_gaze_correction import Manual_Gaze_Correction
from batch_exporter import Batch_Exporter
from log_display import Log_Display
from annotations import Annotation_Player
from raw_data_exporter import Raw_Data_Exporter
from log_history import Log_History
from pupil_producers import Pupil_From_Recording, Offline_Pupil_Detection
from gaze_producers import Gaze_From_Recording, Offline_Calibration
assert pyglui_version >= '1.7'
runtime_plugins = import_runtime_plugins(os.path.join(user_dir, 'plugins'))
system_plugins = [Log_Display, Seek_Bar, Trim_Marks]
user_launchable_plugins = [Vis_Circle, Vis_Fixation, Vis_Polyline, Vis_Light_Points, Vis_Cross, Vis_Watermark,
Vis_Eye_Video_Overlay, Vis_Scan_Path, Gaze_Position_2D_Fixation_Detector,
Pupil_Angle_3D_Fixation_Detector, Video_Export_Launcher,
Offline_Surface_Tracker, Raw_Data_Exporter, Batch_Exporter, Annotation_Player,
Log_History, Marker_Auto_Trim_Marks, Pupil_From_Recording, Offline_Pupil_Detection,
Gaze_From_Recording, Offline_Calibration] + runtime_plugins
available_plugins = system_plugins + user_launchable_plugins
name_by_index = [p.__name__ for p in available_plugins]
plugin_by_name = dict(zip(name_by_index, available_plugins))
# Callback functions
def on_resize(window, w, h):
if gl_utils.is_window_visible(window):
hdpi_factor = float(glfw.glfwGetFramebufferSize(window)[0] / glfw.glfwGetWindowSize(window)[0])
g_pool.gui.scale = g_pool.gui_user_scale * hdpi_factor
g_pool.gui.update_window(w, h)
g_pool.gui.collect_menus()
for g in g_pool.graphs:
g.scale = hdpi_factor
g.adjust_window_size(w, h)
gl_utils.adjust_gl_view(w, h)
for p in g_pool.plugins:
p.on_window_resize(window, w, h)
def on_window_key(window, key, scancode, action, mods):
g_pool.gui.update_key(key, scancode, action, mods)
def on_window_char(window, char):
g_pool.gui.update_char(char)
def on_window_mouse_button(window, button, action, mods):
g_pool.gui.update_button(button, action, mods)
def on_pos(window, x, y):
hdpi_factor = float(glfw.glfwGetFramebufferSize(window)[0]/glfw.glfwGetWindowSize(window)[0])
g_pool.gui.update_mouse(x*hdpi_factor, y*hdpi_factor)
def on_scroll(window, x, y):
g_pool.gui.update_scroll(x, y*scroll_factor)
def on_drop(window, count, paths):
for x in range(count):
new_rec_dir = paths[x].decode('utf-8')
if is_pupil_rec_dir(new_rec_dir):
logger.debug("Starting new session with '{}'".format(new_rec_dir))
ipc_pub.notify({"subject": "player_drop_process.should_start", "rec_dir": new_rec_dir})
glfw.glfwSetWindowShouldClose(window, True)
else:
logger.error("'{}' is not a valid pupil recording".format(new_rec_dir))
tick = delta_t()
def get_dt():
return next(tick)
video_path = [f for f in glob(os.path.join(rec_dir, "world.*"))
if os.path.splitext(f)[1] in ('.mp4', '.mkv', '.avi', '.h264', '.mjpeg')][0]
pupil_data_path = os.path.join(rec_dir, "pupil_data")
meta_info = load_meta_info(rec_dir)
# log info about Pupil Platform and Platform in player.log
logger.info('Application Version: {}'.format(app_version))
logger.info('System Info: {}'.format(get_system_info()))
# create container for globally scoped vars
g_pool = Global_Container()
g_pool.app = 'player'
g_pool.zmq_ctx = zmq_ctx
g_pool.ipc_pub = ipc_pub
g_pool.ipc_pub_url = ipc_pub_url
g_pool.ipc_sub_url = ipc_sub_url
g_pool.ipc_push_url = ipc_push_url
# Initialize capture
cap = File_Source(g_pool, video_path)
# load session persistent settings
session_settings = Persistent_Dict(os.path.join(user_dir, "user_settings"))
if VersionFormat(session_settings.get("version", '0.0')) != app_version:
logger.info("Session setting are a different version of this app. I will not use those.")
session_settings.clear()
width, height = session_settings.get('window_size', cap.frame_size)
window_pos = session_settings.get('window_position', window_position_default)
glfw.glfwInit()
main_window = glfw.glfwCreateWindow(width, height, "Pupil Player: "+meta_info["Recording Name"]+" - "
+ rec_dir.split(os.path.sep)[-1], None, None)
glfw.glfwSetWindowPos(main_window, window_pos[0], window_pos[1])
glfw.glfwMakeContextCurrent(main_window)
cygl.utils.init()
def set_scale(new_scale):
g_pool.gui_user_scale = new_scale
on_resize(main_window, *glfw.glfwGetFramebufferSize(main_window))
# load pupil_positions, gaze_positions
g_pool.pupil_data = load_object(pupil_data_path)
g_pool.binocular = meta_info.get('Eye Mode', 'monocular') == 'binocular'
g_pool.version = app_version
g_pool.capture = cap
g_pool.timestamps = g_pool.capture.timestamps
g_pool.get_timestamp = lambda: 0.
g_pool.play = False
g_pool.new_seek = True
g_pool.user_dir = user_dir
g_pool.rec_dir = rec_dir
g_pool.meta_info = meta_info
g_pool.min_data_confidence = session_settings.get('min_data_confidence', 0.6)
g_pool.pupil_positions = []
g_pool.gaze_positions = []
g_pool.fixations = []
g_pool.notifications_by_frame = correlate_data(g_pool.pupil_data['notifications'], g_pool.timestamps)
g_pool.pupil_positions_by_frame = [[] for x in g_pool.timestamps] # populated by producer`
g_pool.gaze_positions_by_frame = [[] for x in g_pool.timestamps] # populated by producer
g_pool.fixations_by_frame = [[] for x in g_pool.timestamps] # populated by the fixation detector plugin
def next_frame(_):
try:
cap.seek_to_frame(cap.get_frame_index() + 1)
except(FileSeekError):
logger.warning("Could not seek to next frame.")
else:
g_pool.new_seek = True
def prev_frame(_):
try:
cap.seek_to_frame(cap.get_frame_index() - 1)
except(FileSeekError):
logger.warning("Could not seek to previous frame.")
else:
g_pool.new_seek = True
def toggle_play(new_state):
if cap.get_frame_index() >= cap.get_frame_count()-5:
cap.seek_to_frame(1) # avoid pause set by hitting trimmark pause.
logger.warning("End of video - restart at beginning.")
g_pool.play = new_state
def set_data_confidence(new_confidence):
g_pool.min_data_confidence = new_confidence
notification = {'subject': 'min_data_confidence_changed'}
notification['_notify_time_'] = time()+.8
g_pool.ipc_pub.notify(notification)
def open_plugin(plugin):
if plugin == "Select to load":
return
g_pool.plugins.add(plugin)
def purge_plugins():
for p in g_pool.plugins:
if p.__class__ in user_launchable_plugins:
p.alive = False
g_pool.plugins.clean()
def do_export(_):
export_range = g_pool.trim_marks.in_mark, g_pool.trim_marks.out_mark
export_dir = os.path.join(g_pool.rec_dir, 'exports', '{}-{}'.format(*export_range))
try:
os.makedirs(export_dir)
except OSError as e:
if e.errno != errno.EEXIST:
logger.error("Could not create export dir")
raise e
else:
overwrite_warning = "Previous export for range [{}-{}] already exsits - overwriting."
logger.warning(overwrite_warning.format(*export_range))
else:
logger.info('Created export dir at "{}"'.format(export_dir))
notification = {'subject': 'should_export', 'range': export_range, 'export_dir': export_dir}
g_pool.ipc_pub.notify(notification)
g_pool.gui = ui.UI()
g_pool.gui_user_scale = session_settings.get('gui_scale', 1.)
g_pool.main_menu = ui.Scrolling_Menu("Settings", pos=(-350, 20), size=(300, 560))
g_pool.main_menu.append(ui.Button('Reset window size',
lambda: glfw.glfwSetWindowSize(main_window, cap.frame_size[0], cap.frame_size[1])))
g_pool.main_menu.append(ui.Selector('gui_user_scale', g_pool, setter=set_scale, selection=[.8, .9, 1., 1.1, 1.2], label='Interface Size'))
g_pool.main_menu.append(ui.Info_Text('Player Version: {}'.format(g_pool.version)))
g_pool.main_menu.append(ui.Info_Text('Capture Version: {}'.format(meta_info['Capture Software Version'])))
g_pool.main_menu.append(ui.Info_Text('Data Format Version: {}'.format(meta_info['Data Format Version'])))
g_pool.main_menu.append(ui.Slider('min_data_confidence', g_pool, setter=set_data_confidence,
step=.05, min=0.0, max=1.0, label='Confidence threshold'))
g_pool.main_menu.append(ui.Info_Text('Open plugins'))
selector_label = "Select to load"
def append_selector(label, plugins):
plugins.sort(key=lambda p: p.__name__)
plugin_labels = [p.__name__.replace('_', ' ') for p in plugins]
g_pool.main_menu.append(ui.Selector(label,
selection=[selector_label] + plugins,
labels=[selector_label] + plugin_labels,
setter=open_plugin,
getter=lambda: selector_label))
base_plugins = [Visualizer_Plugin_Base, Analysis_Plugin_Base, Producer_Plugin_Base]
base_labels = ['Visualizer:', 'Analyser:', 'Data Source:']
launchable = user_launchable_plugins.copy()
for base_class, label in zip(base_plugins, base_labels):
member_plugins = []
for p in user_launchable_plugins:
if issubclass(p, base_class):
member_plugins.append(p)
launchable.remove(p)
append_selector(label, member_plugins)
# launchable only contains plugins that could not be assigned to any of the above categories
append_selector('Other', launchable)
g_pool.main_menu.append(ui.Button('Close all plugins', purge_plugins))
g_pool.quickbar = ui.Stretching_Menu('Quick Bar', (0, 100), (120, -100))
g_pool.play_button = ui.Thumb('play',
g_pool,
label=chr(0xf04b),
setter=toggle_play,
hotkey=glfw.GLFW_KEY_SPACE,
label_font='fontawesome',
label_offset_x=5,
label_offset_y=0,
label_offset_size=-24)
g_pool.play_button.on_color[:] = (0, 1., .0, .8)
g_pool.forward_button = ui.Thumb('forward',
label=chr(0xf04e),
getter=lambda: False,
setter=next_frame,
hotkey=glfw.GLFW_KEY_RIGHT,
label_font='fontawesome',
label_offset_x=5,
label_offset_y=0,
label_offset_size=-24)
g_pool.backward_button = ui.Thumb('backward',
label=chr(0xf04a),
getter=lambda: False,
setter=prev_frame,
hotkey=glfw.GLFW_KEY_LEFT,
label_font='fontawesome',
label_offset_x=-5,
label_offset_y=0,
label_offset_size=-24)
g_pool.export_button = ui.Thumb('export',
label=chr(0xf063),
getter=lambda: False,
setter=do_export,
hotkey='e',
label_font='fontawesome',
label_offset_x=0,
label_offset_y=2,
label_offset_size=-24)
g_pool.quickbar.extend([g_pool.play_button, g_pool.forward_button, g_pool.backward_button, g_pool.export_button])
g_pool.gui.append(g_pool.quickbar)
g_pool.gui.append(g_pool.main_menu)
# we always load these plugins
system_plugins = [('Trim_Marks', {}), ('Seek_Bar', {})]
default_plugins = [('Log_Display', {}), ('Vis_Scan_Path', {}), ('Vis_Polyline', {}),
('Vis_Circle', {}), ('Video_Export_Launcher', {}),
('Pupil_From_Recording', {}), ('Gaze_From_Recording', {})]
previous_plugins = session_settings.get('loaded_plugins', default_plugins)
g_pool.plugins = Plugin_List(g_pool, plugin_by_name, system_plugins+previous_plugins)
# Register callbacks main_window
glfw.glfwSetFramebufferSizeCallback(main_window, on_resize)
glfw.glfwSetKeyCallback(main_window, on_window_key)
glfw.glfwSetCharCallback(main_window, on_window_char)
glfw.glfwSetMouseButtonCallback(main_window, on_window_mouse_button)
glfw.glfwSetCursorPosCallback(main_window, on_pos)
glfw.glfwSetScrollCallback(main_window, on_scroll)
glfw.glfwSetDropCallback(main_window, on_drop)
g_pool.gui.configuration = session_settings.get('ui_config', {})
# gl_state settings
gl_utils.basic_gl_setup()
g_pool.image_tex = Named_Texture()
# set up performace graphs:
pid = os.getpid()
ps = psutil.Process(pid)
ts = None
cpu_graph = graph.Bar_Graph()
cpu_graph.pos = (20, 110)
cpu_graph.update_fn = ps.cpu_percent
cpu_graph.update_rate = 5
cpu_graph.label = 'CPU %0.1f'
fps_graph = graph.Bar_Graph()
fps_graph.pos = (140, 110)
fps_graph.update_rate = 5
fps_graph.label = "%0.0f REC FPS"
pupil_graph = graph.Bar_Graph(max_val=1.0)
pupil_graph.pos = (260, 110)
pupil_graph.update_rate = 5
pupil_graph.label = "Confidence: %0.2f"
g_pool.graphs = [cpu_graph, fps_graph, pupil_graph]
# trigger on_resize
on_resize(main_window, *glfw.glfwGetFramebufferSize(main_window))
def handle_notifications(n):
subject = n['subject']
if subject == 'start_plugin':
g_pool.plugins.add(
plugin_by_name[n['name']], args=n.get('args', {}))
elif subject.startswith('meta.should_doc'):
ipc_pub.notify({'subject': 'meta.doc',
'actor': g_pool.app,
'doc': player.__doc__})
for p in g_pool.plugins:
if (p.on_notify.__doc__
and p.__class__.on_notify != Plugin.on_notify):
ipc_pub.notify({'subject': 'meta.doc',
'actor': p.class_name,
'doc': p.on_notify.__doc__})
while not glfw.glfwWindowShouldClose(main_window):
# fetch newest notifications
new_notifications = []
while notify_sub.new_data:
t, n = notify_sub.recv()
new_notifications.append(n)
# notify each plugin if there are new notifications:
for n in new_notifications:
handle_notifications(n)
for p in g_pool.plugins:
p.on_notify(n)
# grab new frame
if g_pool.play or g_pool.new_seek:
g_pool.new_seek = False
try:
new_frame = cap.get_frame()
except EndofVideoFileError:
# end of video logic: pause at last frame.
g_pool.play = False
logger.warning("end of video")
update_graph = True
else:
update_graph = False
frame = new_frame.copy()
events = {}
events['frame'] = frame
# report time between now and the last loop interation
events['dt'] = get_dt()
# new positons we make a deepcopy just like the image is a copy.
events['gaze_positions'] = deepcopy(g_pool.gaze_positions_by_frame[frame.index])
events['pupil_positions'] = deepcopy(g_pool.pupil_positions_by_frame[frame.index])
if update_graph:
# update performace graphs
for p in events['pupil_positions']:
pupil_graph.add(p['confidence'])
t = new_frame.timestamp
if ts and ts != t:
dt, ts = t-ts, t
fps_graph.add(1./dt)
else:
ts = new_frame.timestamp
g_pool.play_button.status_text = str(frame.index)
# always update the CPU graph
cpu_graph.update()
# allow each Plugin to do its work.
for p in g_pool.plugins:
p.recent_events(events)
# check if a plugin need to be destroyed
g_pool.plugins.clean()
# render camera image
glfw.glfwMakeContextCurrent(main_window)
gl_utils.make_coord_system_norm_based()
g_pool.image_tex.update_from_ndarray(frame.bgr)
g_pool.image_tex.draw()
gl_utils.make_coord_system_pixel_based(frame.img.shape)
# render visual feedback from loaded plugins
for p in g_pool.plugins:
p.gl_display()
fps_graph.draw()
cpu_graph.draw()
pupil_graph.draw()
unused_elements = g_pool.gui.update()
for b in unused_elements.buttons:
button, action, mods = b
pos = glfw.glfwGetCursorPos(main_window)
pos = normalize(pos, glfw.glfwGetWindowSize(main_window))
pos = denormalize(pos, (frame.img.shape[1], frame.img.shape[0])) # Position in img pixels
for p in g_pool.plugins:
p.on_click(pos, button, action)
for key, scancode, action, mods in unused_elements.keys:
for p in g_pool.plugins:
p.on_key(key, scancode, action, mods)
for char_ in unused_elements.chars:
for p in g_pool.plugins:
p.on_char(char_)
# present frames at appropriate speed
cap.wait(frame)
glfw.glfwSwapBuffers(main_window)
glfw.glfwPollEvents()
session_settings['loaded_plugins'] = g_pool.plugins.get_initializers()
session_settings['min_data_confidence'] = g_pool.min_data_confidence
session_settings['gui_scale'] = g_pool.gui_user_scale
session_settings['ui_config'] = g_pool.gui.configuration
session_settings['window_size'] = glfw.glfwGetWindowSize(main_window)
session_settings['window_position'] = glfw.glfwGetWindowPos(main_window)
session_settings['version'] = str(g_pool.version)
session_settings.close()
# de-init all running plugins
for p in g_pool.plugins:
p.alive = False
g_pool.plugins.clean()
cap.cleanup()
g_pool.gui.terminate()
glfw.glfwDestroyWindow(main_window)
logger.info("Process shutting down.")
ipc_pub.notify({'subject': 'player_process.stopped'})
def eye(g_pool, cap_src, cap_size, pipe_to_world, eye_id=0):
"""
Creates a window, gl context.
Grabs images from a capture.
Streams Pupil coordinates into g_pool.pupil_queue
"""
# modify the root logger for this process
logger = logging.getLogger()
# remove inherited handlers
logger.handlers = []
# create file handler which logs even debug messages
fh = logging.FileHandler(os.path.join(g_pool.user_dir,
'eye%s.log' % eye_id),
mode='w')
# fh.setLevel(logging.DEBUG)
# create console handler with a higher log level
ch = logging.StreamHandler()
ch.setLevel(logger.level + 10)
# create formatter and add it to the handlers
formatter = logging.Formatter(
'Eye' + str(eye_id) +
' Process: %(asctime)s - %(name)s - %(levelname)s - %(message)s')
fh.setFormatter(formatter)
formatter = logging.Formatter(
'EYE' + str(eye_id) +
' Process [%(levelname)s] %(name)s : %(message)s')
ch.setFormatter(formatter)
# add the handlers to the logger
logger.addHandler(fh)
logger.addHandler(ch)
# create logger for the context of this function
logger = logging.getLogger(__name__)
#UI Platform tweaks
if platform.system() == 'Linux':
scroll_factor = 10.0
window_position_default = (600, 300 * eye_id)
elif platform.system() == 'Windows':
scroll_factor = 1.0
window_position_default = (600, 31 + 300 * eye_id)
else:
scroll_factor = 1.0
window_position_default = (600, 300 * eye_id)
# Callback functions
def on_resize(window, w, h):
if not g_pool.iconified:
active_window = glfwGetCurrentContext()
glfwMakeContextCurrent(window)
g_pool.gui.update_window(w, h)
graph.adjust_size(w, h)
adjust_gl_view(w, h)
glfwMakeContextCurrent(active_window)
def on_key(window, key, scancode, action, mods):
g_pool.gui.update_key(key, scancode, action, mods)
def on_char(window, char):
g_pool.gui.update_char(char)
def on_iconify(window, iconified):
g_pool.iconified = iconified
def on_button(window, button, action, mods):
if g_pool.display_mode == 'roi':
if action == GLFW_RELEASE and u_r.active_edit_pt:
u_r.active_edit_pt = False
return # if the roi interacts we dont what the gui to interact as well
elif action == GLFW_PRESS:
pos = glfwGetCursorPos(window)
pos = normalize(pos, glfwGetWindowSize(main_window))
if g_pool.flip:
pos = 1 - pos[0], 1 - pos[1]
pos = denormalize(
pos, (frame.width, frame.height)) # Position in img pixels
if u_r.mouse_over_edit_pt(pos, u_r.handle_size + 40,
u_r.handle_size + 40):
return # if the roi interacts we dont what the gui to interact as well
g_pool.gui.update_button(button, action, mods)
def on_pos(window, x, y):
hdpi_factor = float(
glfwGetFramebufferSize(window)[0] / glfwGetWindowSize(window)[0])
g_pool.gui.update_mouse(x * hdpi_factor, y * hdpi_factor)
if u_r.active_edit_pt:
pos = normalize((x, y), glfwGetWindowSize(main_window))
if g_pool.flip:
pos = 1 - pos[0], 1 - pos[1]
pos = denormalize(pos, (frame.width, frame.height))
u_r.move_vertex(u_r.active_pt_idx, pos)
def on_scroll(window, x, y):
g_pool.gui.update_scroll(x, y * scroll_factor)
def on_close(window):
g_pool.quit.value = True
logger.info('Process closing from window')
# load session persistent settings
session_settings = Persistent_Dict(
os.path.join(g_pool.user_dir, 'user_settings_eye%s' % eye_id))
if session_settings.get("version", VersionFormat('0.0')) < g_pool.version:
logger.info(
"Session setting are from older version of this app. I will not use those."
)
session_settings.clear()
# Initialize capture
cap = autoCreateCapture(cap_src, timebase=g_pool.timebase)
default_settings = {'frame_size': cap_size, 'frame_rate': 30}
previous_settings = session_settings.get('capture_settings', None)
if previous_settings and previous_settings['name'] == cap.name:
cap.settings = previous_settings
else:
cap.settings = default_settings
# Test capture
try:
frame = cap.get_frame()
except CameraCaptureError:
logger.error("Could not retrieve image from capture")
cap.close()
return
#signal world that we are ready to go
pipe_to_world.send('eye%s process ready' % eye_id)
# any object we attach to the g_pool object *from now on* will only be visible to this process!
# vars should be declared here to make them visible to the code reader.
g_pool.iconified = False
g_pool.capture = cap
g_pool.flip = session_settings.get('flip', False)
g_pool.display_mode = session_settings.get('display_mode', 'camera_image')
g_pool.display_mode_info_text = {
'camera_image':
"Raw eye camera image. This uses the least amount of CPU power",
'roi':
"Click and drag on the blue circles to adjust the region of interest. The region should be a small as possible but big enough to capture to pupil in its movements",
'algorithm':
"Algorithm display mode overlays a visualization of the pupil detection parameters on top of the eye video. Adjust parameters with in the Pupil Detection menu below."
}
# g_pool.draw_pupil = session_settings.get('draw_pupil',True)
u_r = UIRoi(frame.img.shape)
u_r.set(session_settings.get('roi', u_r.get()))
writer = None
pupil_detector = Canny_Detector(g_pool)
# UI callback functions
def set_scale(new_scale):
g_pool.gui.scale = new_scale
g_pool.gui.collect_menus()
def set_display_mode_info(val):
g_pool.display_mode = val
g_pool.display_mode_info.text = g_pool.display_mode_info_text[val]
# Initialize glfw
glfwInit()
if g_pool.binocular:
title = "Binocular eye %s" % eye_id
else:
title = 'Eye'
width, height = session_settings.get('window_size',
(frame.width, frame.height))
main_window = glfwCreateWindow(width, height, title, None, None)
window_pos = session_settings.get('window_position',
window_position_default)
glfwSetWindowPos(main_window, window_pos[0], window_pos[1])
glfwMakeContextCurrent(main_window)
cygl_init()
# gl_state settings
basic_gl_setup()
g_pool.image_tex = Named_Texture()
g_pool.image_tex.update_from_frame(frame)
glfwSwapInterval(0)
#setup GUI
g_pool.gui = ui.UI()
g_pool.gui.scale = session_settings.get('gui_scale', 1)
g_pool.sidebar = ui.Scrolling_Menu("Settings",
pos=(-300, 0),
size=(0, 0),
header_pos='left')
general_settings = ui.Growing_Menu('General')
general_settings.append(
ui.Slider('scale',
g_pool.gui,
setter=set_scale,
step=.05,
min=1.,
max=2.5,
label='Interface Size'))
general_settings.append(
ui.Button(
'Reset window size',
lambda: glfwSetWindowSize(main_window, frame.width, frame.height)))
general_settings.append(
ui.Selector('display_mode',
g_pool,
setter=set_display_mode_info,
selection=['camera_image', 'roi', 'algorithm'],
labels=['Camera Image', 'ROI', 'Algorithm'],
label="Mode"))
general_settings.append(
ui.Switch('flip', g_pool, label='Flip image display'))
g_pool.display_mode_info = ui.Info_Text(
g_pool.display_mode_info_text[g_pool.display_mode])
general_settings.append(g_pool.display_mode_info)
g_pool.sidebar.append(general_settings)
g_pool.gui.append(g_pool.sidebar)
# let the camera add its GUI
g_pool.capture.init_gui(g_pool.sidebar)
# let detector add its GUI
pupil_detector.init_gui(g_pool.sidebar)
# Register callbacks main_window
glfwSetFramebufferSizeCallback(main_window, on_resize)
glfwSetWindowCloseCallback(main_window, on_close)
glfwSetWindowIconifyCallback(main_window, on_iconify)
glfwSetKeyCallback(main_window, on_key)
glfwSetCharCallback(main_window, on_char)
glfwSetMouseButtonCallback(main_window, on_button)
glfwSetCursorPosCallback(main_window, on_pos)
glfwSetScrollCallback(main_window, on_scroll)
#set the last saved window size
on_resize(main_window, *glfwGetWindowSize(main_window))
# load last gui configuration
g_pool.gui.configuration = session_settings.get('ui_config', {})
#set up performance graphs
pid = os.getpid()
ps = psutil.Process(pid)
ts = frame.timestamp
cpu_graph = graph.Bar_Graph()
cpu_graph.pos = (20, 130)
cpu_graph.update_fn = ps.cpu_percent
cpu_graph.update_rate = 5
cpu_graph.label = 'CPU %0.1f'
fps_graph = graph.Bar_Graph()
fps_graph.pos = (140, 130)
fps_graph.update_rate = 5
fps_graph.label = "%0.0f FPS"
#create a timer to control window update frequency
window_update_timer = timer(1 / 60.)
def window_should_update():
return next(window_update_timer)
# Event loop
while not g_pool.quit.value:
# Get an image from the grabber
try:
frame = cap.get_frame()
except CameraCaptureError:
logger.error("Capture from Camera Failed. Stopping.")
break
except EndofVideoFileError:
logger.warning("Video File is done. Stopping")
break
#update performace graphs
t = frame.timestamp
dt, ts = t - ts, t
try:
fps_graph.add(1. / dt)
except ZeroDivisionError:
pass
cpu_graph.update()
### RECORDING of Eye Video (on demand) ###
# Setup variables and lists for recording
if pipe_to_world.poll():
command, raw_mode = pipe_to_world.recv()
if command is not None:
record_path = command
logger.info("Will save eye video to: %s" % record_path)
timestamps_path = os.path.join(record_path,
"eye%s_timestamps.npy" % eye_id)
if raw_mode and frame.jpeg_buffer:
video_path = os.path.join(record_path,
"eye%s.mp4" % eye_id)
writer = JPEG_Writer(video_path, cap.frame_rate)
else:
video_path = os.path.join(record_path,
"eye%s.mp4" % eye_id)
writer = AV_Writer(video_path, cap.frame_rate)
timestamps = []
else:
logger.info("Done recording.")
writer.release()
writer = None
np.save(timestamps_path, np.asarray(timestamps))
del timestamps
if writer:
writer.write_video_frame(frame)
timestamps.append(frame.timestamp)
# pupil ellipse detection
result = pupil_detector.detect(
frame, user_roi=u_r, visualize=g_pool.display_mode == 'algorithm')
result['id'] = eye_id
# stream the result
g_pool.pupil_queue.put(result)
# GL drawing
if window_should_update():
if not g_pool.iconified:
glfwMakeContextCurrent(main_window)
clear_gl_screen()
# switch to work in normalized coordinate space
if g_pool.display_mode == 'algorithm':
g_pool.image_tex.update_from_ndarray(frame.img)
elif g_pool.display_mode in ('camera_image', 'roi'):
g_pool.image_tex.update_from_ndarray(frame.gray)
else:
pass
make_coord_system_norm_based(g_pool.flip)
g_pool.image_tex.draw()
# switch to work in pixel space
make_coord_system_pixel_based((frame.height, frame.width, 3),
g_pool.flip)
if result['confidence'] > 0:
if result.has_key('axes'):
pts = cv2.ellipse2Poly((int(
result['center'][0]), int(result['center'][1])),
(int(result['axes'][0] / 2),
int(result['axes'][1] / 2)),
int(result['angle']), 0, 360,
15)
cygl_draw_polyline(pts, 1, cygl_rgba(1., 0, 0, .5))
cygl_draw_points([result['center']],
size=20,
color=cygl_rgba(1., 0., 0., .5),
sharpness=1.)
# render graphs
graph.push_view()
fps_graph.draw()
cpu_graph.draw()
graph.pop_view()
# render GUI
g_pool.gui.update()
#render the ROI
if g_pool.display_mode == 'roi':
u_r.draw(g_pool.gui.scale)
#update screen
glfwSwapBuffers(main_window)
glfwPollEvents()
# END while running
# in case eye recording was still runnnig: Save&close
if writer:
logger.info("Done recording eye.")
writer = None
np.save(timestamps_path, np.asarray(timestamps))
glfwRestoreWindow(main_window) #need to do this for windows os
# save session persistent settings
session_settings['gui_scale'] = g_pool.gui.scale
session_settings['roi'] = u_r.get()
session_settings['flip'] = g_pool.flip
session_settings['display_mode'] = g_pool.display_mode
session_settings['ui_config'] = g_pool.gui.configuration
session_settings['capture_settings'] = g_pool.capture.settings
session_settings['window_size'] = glfwGetWindowSize(main_window)
session_settings['window_position'] = glfwGetWindowPos(main_window)
session_settings['version'] = g_pool.version
session_settings.close()
pupil_detector.cleanup()
g_pool.gui.terminate()
glfwDestroyWindow(main_window)
glfwTerminate()
cap.close()
#flushing queue in case world process did not exit gracefully
while not g_pool.pupil_queue.empty():
g_pool.pupil_queue.get()
g_pool.pupil_queue.close()
logger.debug("Process done")
def world(timebase, eyes_are_alive, ipc_pub_url, ipc_sub_url,
ipc_push_url, user_dir, version):
"""Reads world video and runs plugins.
Creates a window, gl context.
Grabs images from a capture.
Maps pupil to gaze data
Can run various plug-ins.
Reacts to notifications:
``set_detection_mapping_mode``
``eye_process.started``
``start_plugin``
Emits notifications:
``eye_process.should_start``
``eye_process.should_stop``
``set_detection_mapping_mode``
``world_process.started``
``world_process.stopped``
``recording.should_stop``: Emits on camera failure
``launcher_process.should_stop``
Emits data:
``gaze``: Gaze data from current gaze mapping plugin.``
``*``: any other plugin generated data in the events
that it not [dt,pupil,gaze].
"""
# We defer the imports because of multiprocessing.
# Otherwise the world process each process also loads the other imports.
# This is not harmful but unnecessary.
# general imports
import logging
# networking
import zmq
import zmq_tools
# zmq ipc setup
zmq_ctx = zmq.Context()
ipc_pub = zmq_tools.Msg_Dispatcher(zmq_ctx, ipc_push_url)
notify_sub = zmq_tools.Msg_Receiver(zmq_ctx, ipc_sub_url, topics=('notify',))
# log setup
logging.getLogger("OpenGL").setLevel(logging.ERROR)
logger = logging.getLogger()
logger.handlers = []
logger.setLevel(logging.INFO)
logger.addHandler(zmq_tools.ZMQ_handler(zmq_ctx, ipc_push_url))
# create logger for the context of this function
logger = logging.getLogger(__name__)
# display
import glfw
from pyglui import ui, graph, cygl, __version__ as pyglui_version
assert pyglui_version >= '1.7'
from pyglui.cygl.utils import Named_Texture
import gl_utils
# monitoring
import psutil
# helpers/utils
from version_utils import VersionFormat
from file_methods import Persistent_Dict
from methods import normalize, denormalize, delta_t, get_system_info, timer
from uvc import get_time_monotonic
logger.info('Application Version: {}'.format(version))
logger.info('System Info: {}'.format(get_system_info()))
import audio
# trigger pupil detector cpp build:
import pupil_detectors
del pupil_detectors
# Plug-ins
from plugin import Plugin, Plugin_List, import_runtime_plugins
from calibration_routines import calibration_plugins, gaze_mapping_plugins, Calibration_Plugin
from fixation_detector import Fixation_Detector
from recorder import Recorder
from display_recent_gaze import Display_Recent_Gaze
from time_sync import Time_Sync
from pupil_remote import Pupil_Remote
from pupil_groups import Pupil_Groups
from surface_tracker import Surface_Tracker
from log_display import Log_Display
from annotations import Annotation_Capture
from log_history import Log_History
from frame_publisher import Frame_Publisher
from blink_detection import Blink_Detection
from video_capture import source_classes, manager_classes, Base_Manager
from pupil_data_relay import Pupil_Data_Relay
from remote_recorder import Remote_Recorder
from audio_capture import Audio_Capture
from accuracy_visualizer import Accuracy_Visualizer
# UI Platform tweaks
if platform.system() == 'Linux':
scroll_factor = 10.0
window_position_default = (0, 0)
elif platform.system() == 'Windows':
scroll_factor = 10.0
window_position_default = (8, 31)
else:
scroll_factor = 1.0
window_position_default = (0, 0)
# g_pool holds variables for this process they are accesible to all plugins
g_pool = Global_Container()
g_pool.app = 'capture'
g_pool.process = 'world'
g_pool.user_dir = user_dir
g_pool.version = version
g_pool.timebase = timebase
g_pool.zmq_ctx = zmq_ctx
g_pool.ipc_pub = ipc_pub
g_pool.ipc_pub_url = ipc_pub_url
g_pool.ipc_sub_url = ipc_sub_url
g_pool.ipc_push_url = ipc_push_url
g_pool.eyes_are_alive = eyes_are_alive
def get_timestamp():
return get_time_monotonic() - g_pool.timebase.value
g_pool.get_timestamp = get_timestamp
g_pool.get_now = get_time_monotonic
# manage plugins
runtime_plugins = import_runtime_plugins(os.path.join(g_pool.user_dir, 'plugins'))
calibration_plugins += [p for p in runtime_plugins if issubclass(p, Calibration_Plugin)]
runtime_plugins = [p for p in runtime_plugins if not issubclass(p, Calibration_Plugin)]
manager_classes += [p for p in runtime_plugins if issubclass(p, Base_Manager)]
runtime_plugins = [p for p in runtime_plugins if not issubclass(p, Base_Manager)]
user_launchable_plugins = [Audio_Capture, Pupil_Groups, Frame_Publisher, Pupil_Remote, Time_Sync, Surface_Tracker,
Annotation_Capture, Log_History, Fixation_Detector,
Blink_Detection, Remote_Recorder, Accuracy_Visualizer] + runtime_plugins
system_plugins = [Log_Display, Display_Recent_Gaze, Recorder, Pupil_Data_Relay]
plugin_by_index = (system_plugins + user_launchable_plugins + calibration_plugins
+ gaze_mapping_plugins + manager_classes + source_classes)
name_by_index = [p.__name__ for p in plugin_by_index]
plugin_by_name = dict(zip(name_by_index, plugin_by_index))
default_capture_settings = {
'preferred_names': ["Pupil Cam1 ID2", "Logitech Camera", "(046d:081d)",
"C510", "B525", "C525", "C615", "C920", "C930e"],
'frame_size': (1280, 720),
'frame_rate': 30
}
default_plugins = [("UVC_Source", default_capture_settings),
('Pupil_Data_Relay', {}),
('UVC_Manager', {}),
('Log_Display', {}),
('Dummy_Gaze_Mapper', {}),
('Display_Recent_Gaze', {}),
('Screen_Marker_Calibration', {}),
('Recorder', {}),
('Pupil_Remote', {})]
# Callback functions
def on_resize(window, w, h):
if gl_utils.is_window_visible(window):
hdpi_factor = float(glfw.glfwGetFramebufferSize(window)[0] / glfw.glfwGetWindowSize(window)[0])
g_pool.gui.scale = g_pool.gui_user_scale * hdpi_factor
g_pool.gui.update_window(w, h)
g_pool.gui.collect_menus()
for g in g_pool.graphs:
g.scale = hdpi_factor
g.adjust_window_size(w, h)
gl_utils.adjust_gl_view(w, h)
for p in g_pool.plugins:
p.on_window_resize(window, w, h)
def on_iconify(window, iconified):
g_pool.iconified = iconified
def on_window_key(window, key, scancode, action, mods):
g_pool.gui.update_key(key, scancode, action, mods)
def on_window_char(window, char):
g_pool.gui.update_char(char)
def on_window_mouse_button(window, button, action, mods):
g_pool.gui.update_button(button, action, mods)
def on_pos(window, x, y):
hdpi_factor = float(glfw.glfwGetFramebufferSize(
window)[0] / glfw.glfwGetWindowSize(window)[0])
x, y = x * hdpi_factor, y * hdpi_factor
g_pool.gui.update_mouse(x, y)
def on_scroll(window, x, y):
g_pool.gui.update_scroll(x, y * scroll_factor)
def on_drop(window, count, paths):
paths = [paths[x].decode('utf-8') for x in range(count)]
for p in g_pool.plugins:
p.on_drop(paths)
tick = delta_t()
def get_dt():
return next(tick)
# load session persistent settings
session_settings = Persistent_Dict(os.path.join(g_pool.user_dir, 'user_settings_world'))
if VersionFormat(session_settings.get("version", '0.0')) != g_pool.version:
logger.info("Session setting are from a different version of this app. I will not use those.")
session_settings.clear()
g_pool.iconified = False
g_pool.detection_mapping_mode = session_settings.get('detection_mapping_mode', '3d')
g_pool.active_calibration_plugin = None
g_pool.active_gaze_mapping_plugin = None
g_pool.capture_manager = None
audio.audio_mode = session_settings.get('audio_mode', audio.default_audio_mode)
def open_plugin(plugin):
if plugin == "Select to load":
return
g_pool.plugins.add(plugin)
def launch_eye_process(eye_id, delay=0):
n = {'subject': 'eye_process.should_start.{}'.format(eye_id),
'eye_id': eye_id, 'delay': delay}
ipc_pub.notify(n)
def stop_eye_process(eye_id):
n = {'subject': 'eye_process.should_stop.{}'.format(eye_id), 'eye_id': eye_id,'delay':0.2}
ipc_pub.notify(n)
def start_stop_eye(eye_id, make_alive):
if make_alive:
launch_eye_process(eye_id)
else:
stop_eye_process(eye_id)
def set_detection_mapping_mode(new_mode):
n = {'subject': 'set_detection_mapping_mode', 'mode': new_mode}
ipc_pub.notify(n)
def handle_notifications(n):
subject = n['subject']
if subject == 'set_detection_mapping_mode':
if n['mode'] == '2d':
if ("Vector_Gaze_Mapper" in
g_pool.active_gaze_mapping_plugin.class_name):
logger.warning("The gaze mapper is not supported in 2d mode. Please recalibrate.")
g_pool.plugins.add(plugin_by_name['Dummy_Gaze_Mapper'])
g_pool.detection_mapping_mode = n['mode']
elif subject == 'start_plugin':
g_pool.plugins.add(plugin_by_name[n['name']], args=n.get('args', {}))
elif subject == 'stop_plugin':
for p in g_pool.plugins:
if p.class_name == n['name']:
p.alive = False
g_pool.plugins.clean()
elif subject == 'eye_process.started':
n = {'subject': 'set_detection_mapping_mode',
'mode': g_pool.detection_mapping_mode}
ipc_pub.notify(n)
elif subject.startswith('meta.should_doc'):
ipc_pub.notify({'subject': 'meta.doc',
'actor': g_pool.app,
'doc': world.__doc__})
for p in g_pool.plugins:
if (p.on_notify.__doc__
and p.__class__.on_notify != Plugin.on_notify):
ipc_pub.notify({'subject': 'meta.doc',
'actor': p.class_name,
'doc': p.on_notify.__doc__})
# window and gl setup
glfw.glfwInit()
width, height = session_settings.get('window_size', (1280, 720))
main_window = glfw.glfwCreateWindow(width, height, "Pupil Capture - World")
window_pos = session_settings.get('window_position', window_position_default)
glfw.glfwSetWindowPos(main_window, window_pos[0], window_pos[1])
glfw.glfwMakeContextCurrent(main_window)
cygl.utils.init()
g_pool.main_window = main_window
def set_scale(new_scale):
g_pool.gui_user_scale = new_scale
on_resize(main_window, *glfw.glfwGetFramebufferSize(main_window))
def reset_restart():
logger.warning("Resetting all settings and restarting Capture.")
glfw.glfwSetWindowShouldClose(main_window, True)
ipc_pub.notify({'subject': 'reset_restart_process.should_start'})
# setup GUI
g_pool.gui = ui.UI()
g_pool.gui_user_scale = session_settings.get('gui_scale', 1.)
g_pool.sidebar = ui.Scrolling_Menu("Settings", pos=(-350, 0), size=(0, 0), header_pos='left')
general_settings = ui.Growing_Menu('General')
general_settings.append(ui.Button('Reset to default settings',reset_restart))
general_settings.append(ui.Selector('gui_user_scale', g_pool, setter=set_scale, selection=[.8, .9, 1., 1.1, 1.2], label='Interface size'))
general_settings.append(ui.Button('Reset window size', lambda: glfw.glfwSetWindowSize(main_window,g_pool.capture.frame_size[0],g_pool.capture.frame_size[1])) )
general_settings.append(ui.Selector('audio_mode', audio, selection=audio.audio_modes))
general_settings.append(ui.Selector('detection_mapping_mode',
g_pool,
label='detection & mapping mode',
setter=set_detection_mapping_mode,
selection=['2d','3d']
))
general_settings.append(ui.Switch('eye0_process',
label='Detect eye 0',
setter=lambda alive: start_stop_eye(0,alive),
getter=lambda: eyes_are_alive[0].value
))
general_settings.append(ui.Switch('eye1_process',
label='Detect eye 1',
setter=lambda alive: start_stop_eye(1,alive),
getter=lambda: eyes_are_alive[1].value
))
selector_label = "Select to load"
labels = [p.__name__.replace('_', ' ') for p in user_launchable_plugins]
user_launchable_plugins.insert(0, selector_label)
labels.insert(0, selector_label)
general_settings.append(ui.Selector('Open plugin',
selection=user_launchable_plugins,
labels=labels,
setter=open_plugin,
getter=lambda: selector_label))
general_settings.append(ui.Info_Text('Capture Version: {}'.format(g_pool.version)))
g_pool.quickbar = ui.Stretching_Menu('Quick Bar', (0, 100), (120, -100))
g_pool.capture_source_menu = ui.Growing_Menu('Capture Source')
g_pool.capture_source_menu.collapsed = True
g_pool.calibration_menu = ui.Growing_Menu('Calibration')
g_pool.calibration_menu.collapsed = True
g_pool.capture_selector_menu = ui.Growing_Menu('Capture Selection')
g_pool.sidebar.append(general_settings)
g_pool.sidebar.append(g_pool.capture_selector_menu)
g_pool.sidebar.append(g_pool.capture_source_menu)
g_pool.sidebar.append(g_pool.calibration_menu)
g_pool.gui.append(g_pool.sidebar)
g_pool.gui.append(g_pool.quickbar)
# plugins that are loaded based on user settings from previous session
g_pool.plugins = Plugin_List(g_pool, plugin_by_name, session_settings.get('loaded_plugins', default_plugins))
#We add the calibration menu selector, after a calibration has been added:
g_pool.calibration_menu.insert(0,ui.Selector(
'active_calibration_plugin',
getter=lambda: g_pool.active_calibration_plugin.__class__,
selection = calibration_plugins,
labels = [p.__name__.replace('_',' ') for p in calibration_plugins],
setter= open_plugin,label='Method'
))
#We add the capture selection menu, after a manager has been added:
g_pool.capture_selector_menu.insert(0,ui.Selector(
'capture_manager',
setter = open_plugin,
getter = lambda: g_pool.capture_manager.__class__,
selection = manager_classes,
labels = [b.gui_name for b in manager_classes],
label = 'Manager'
))
# Register callbacks main_window
glfw.glfwSetFramebufferSizeCallback(main_window, on_resize)
glfw.glfwSetWindowIconifyCallback(main_window, on_iconify)
glfw.glfwSetKeyCallback(main_window, on_window_key)
glfw.glfwSetCharCallback(main_window, on_window_char)
glfw.glfwSetMouseButtonCallback(main_window, on_window_mouse_button)
glfw.glfwSetCursorPosCallback(main_window, on_pos)
glfw.glfwSetScrollCallback(main_window, on_scroll)
glfw.glfwSetDropCallback(main_window, on_drop)
# gl_state settings
gl_utils.basic_gl_setup()
g_pool.image_tex = Named_Texture()
# now the we have aproper window we can load the last gui configuration
g_pool.gui.configuration = session_settings.get('ui_config', {})
# create a timer to control window update frequency
window_update_timer = timer(1 / 60)
def window_should_update():
return next(window_update_timer)
# set up performace graphs:
pid = os.getpid()
ps = psutil.Process(pid)
ts = g_pool.get_timestamp()
cpu_graph = graph.Bar_Graph()
cpu_graph.pos = (20, 130)
cpu_graph.update_fn = ps.cpu_percent
cpu_graph.update_rate = 5
cpu_graph.label = 'CPU %0.1f'
fps_graph = graph.Bar_Graph()
fps_graph.pos = (140, 130)
fps_graph.update_rate = 5
fps_graph.label = "%0.0f FPS"
pupil0_graph = graph.Bar_Graph(max_val=1.0)
pupil0_graph.pos = (260, 130)
pupil0_graph.update_rate = 5
pupil0_graph.label = "id0 conf: %0.2f"
pupil1_graph = graph.Bar_Graph(max_val=1.0)
pupil1_graph.pos = (380, 130)
pupil1_graph.update_rate = 5
pupil1_graph.label = "id1 conf: %0.2f"
pupil_graphs = pupil0_graph, pupil1_graph
g_pool.graphs = [cpu_graph, fps_graph, pupil0_graph, pupil1_graph]
# trigger setup of window and gl sizes
on_resize(main_window, *glfw.glfwGetFramebufferSize(main_window))
if session_settings.get('eye1_process_alive', False):
launch_eye_process(1, delay=0.6)
if session_settings.get('eye0_process_alive', True):
launch_eye_process(0, delay=0.3)
ipc_pub.notify({'subject': 'world_process.started'})
logger.warning('Process started.')
# Event loop
while not glfw.glfwWindowShouldClose(main_window):
# fetch newest notifications
new_notifications = []
while notify_sub.new_data:
t, n = notify_sub.recv()
new_notifications.append(n)
# notify each plugin if there are new notifications:
for n in new_notifications:
handle_notifications(n)
for p in g_pool.plugins:
p.on_notify(n)
#a dictionary that allows plugins to post and read events
events = {}
# report time between now and the last loop interation
events['dt'] = get_dt()
# allow each Plugin to do its work.
for p in g_pool.plugins:
p.recent_events(events)
# check if a plugin need to be destroyed
g_pool.plugins.clean()
# update performace graphs
if 'frame' in events:
t = events["frame"].timestamp
dt, ts = t-ts, t
try:
fps_graph.add(1./dt)
except ZeroDivisionError:
pass
for p in events["pupil_positions"]:
pupil_graphs[p['id']].add(p['confidence'])
cpu_graph.update()
# send new events to ipc:
del events['pupil_positions'] # already on the wire
del events['gaze_positions'] # sent earlier
if 'frame' in events:
del events['frame'] # send explicity with frame publisher
if 'depth_frame' in events:
del events['depth_frame']
if 'audio_packets' in events:
del events['audio_packets']
del events['dt'] # no need to send this
for topic, data in events.items():
assert(isinstance(data, (list, tuple)))
for d in data:
ipc_pub.send(topic, d)
glfw.glfwMakeContextCurrent(main_window)
# render visual feedback from loaded plugins
if window_should_update() and gl_utils.is_window_visible(main_window):
for p in g_pool.plugins:
p.gl_display()
for g in g_pool.graphs:
g.draw()
unused_elements = g_pool.gui.update()
for button, action, mods in unused_elements.buttons:
pos = glfw.glfwGetCursorPos(main_window)
pos = normalize(pos, glfw.glfwGetWindowSize(main_window))
# Position in img pixels
pos = denormalize(pos, g_pool.capture.frame_size)
for p in g_pool.plugins:
p.on_click(pos, button, action)
for key, scancode, action, mods in unused_elements.keys:
for p in g_pool.plugins:
p.on_key(key, scancode, action, mods)
for char_ in unused_elements.chars:
for p in g_pool.plugins:
p.on_char(char_)
glfw.glfwSwapBuffers(main_window)
glfw.glfwPollEvents()
glfw.glfwRestoreWindow(main_window) # need to do this for windows os
session_settings['loaded_plugins'] = g_pool.plugins.get_initializers()
session_settings['gui_scale'] = g_pool.gui_user_scale
session_settings['ui_config'] = g_pool.gui.configuration
session_settings['window_size'] = glfw.glfwGetWindowSize(main_window)
session_settings['window_position'] = glfw.glfwGetWindowPos(main_window)
session_settings['version'] = str(g_pool.version)
session_settings['eye0_process_alive'] = eyes_are_alive[0].value
session_settings['eye1_process_alive'] = eyes_are_alive[1].value
session_settings['detection_mapping_mode'] = g_pool.detection_mapping_mode
session_settings['audio_mode'] = audio.audio_mode
session_settings.close()
# de-init all running plugins
for p in g_pool.plugins:
p.alive = False
g_pool.plugins.clean()
g_pool.gui.terminate()
glfw.glfwDestroyWindow(main_window)
glfw.glfwTerminate()
# shut down eye processes:
stop_eye_process(0)
stop_eye_process(1)
logger.info("Process shutting down.")
ipc_pub.notify({'subject': 'world_process.stopped'})
class Offline_Reference_Surface(Reference_Surface):
"""docstring for Offline_Reference_Surface"""
def __init__(self,g_pool,name="unnamed",saved_definition=None):
super(Offline_Reference_Surface, self).__init__(name,saved_definition)
self.g_pool = g_pool
self.cache = None
self.gaze_on_srf = [] # points on surface for realtime feedback display
self.heatmap_detail = .2
self.heatmap = None
self.heatmap_texture = None
self.metrics_gazecount = None
self.metrics_texture = None
#cache fn for offline marker
def locate_from_cache(self,frame_idx):
if self.cache == None:
#no cache available cannot update from cache
return False
cache_result = self.cache[frame_idx]
if cache_result == False:
#cached data not avaible for this frame
return False
elif cache_result == None:
#cached data shows surface not found:
self.detected = False
self.m_from_screen = None
self.m_to_screen = None
self.gaze_on_srf = []
self.detected_markers = 0
return True
else:
self.detected = True
self.m_from_screen = cache_result['m_from_screen']
self.m_to_screen = cache_result['m_to_screen']
self.detected_markers = cache_result['detected_markers']
self.gaze_on_srf = self.gaze_on_srf_by_frame_idx(frame_idx,self.m_from_screen)
return True
raise Exception("Invalid cache entry. Please report Bug.")
def update_cache(self,marker_cache,camera_calibration,min_marker_perimeter,idx=None):
'''
compute surface m's and gaze points from cached marker data
entries are:
- False: when marker cache entry was False (not yet searched)
- None: when surface was not found
- {'m_to_screen':,'m_from_screen':,'detected_markers':,gaze_on_srf}
'''
# iterations = 0
if self.cache == None:
pass
# self.init_cache(marker_cache)
elif idx != None:
#update single data pt
self.cache.update(idx,self.answer_caching_request(marker_cache,idx,camera_calibration,min_marker_perimeter))
else:
# update where marker cache is not False but surface cache is still false
# this happens when the markercache was incomplete when this fn was run before
for i in range(len(marker_cache)):
if self.cache[i] == False and marker_cache[i] != False:
self.cache.update(i,self.answer_caching_request(marker_cache,i,camera_calibration,min_marker_perimeter))
# iterations +=1
# return iterations
def init_cache(self,marker_cache,camera_calibration,min_marker_perimeter):
if self.defined:
logger.debug("Full update of surface '%s' positons cache"%self.name)
self.cache = Cache_List([self.answer_caching_request(marker_cache,i,camera_calibration,min_marker_perimeter) for i in xrange(len(marker_cache))],positive_eval_fn=lambda x: (x!=False) and (x!=None))
def answer_caching_request(self,marker_cache,frame_index,camera_calibration,min_marker_perimeter):
visible_markers = marker_cache[frame_index]
# cache point had not been visited
if visible_markers == False:
return False
res = self._get_location(visible_markers,camera_calibration,min_marker_perimeter,locate_3d=False)
if res['detected']:
return res
else:
#surface not found
return None
def move_vertex(self,vert_idx,new_pos):
super(Offline_Reference_Surface, self).move_vertex(vert_idx,new_pos)
self.cache = None
self.heatmap = None
def add_marker(self,marker,visible_markers,camera_calibration,min_marker_perimeter):
super(Offline_Reference_Surface, self).add_marker(marker,visible_markers,camera_calibration,min_marker_perimeter)
self.cache = None
self.heatmap = None
def remove_marker(self,marker):
super(Offline_Reference_Surface, self).remove_marker(marker)
self.cache = None
self.heatmap = None
def gaze_on_srf_by_frame_idx(self,frame_index,m_from_screen):
return self.map_data_to_surface(self.g_pool.gaze_positions_by_frame[frame_index],m_from_screen)
def fixations_on_srf_by_frame_idx(self,frame_index,m_from_screen):
return self.map_data_to_surface(self.g_pool.fixations_by_frame[frame_index],m_from_screen)
def gl_display_heatmap(self):
if self.heatmap_texture and self.detected:
# cv uses 3x3 gl uses 4x4 tranformation matricies
m = cvmat_to_glmat(self.m_to_screen)
glMatrixMode(GL_PROJECTION)
glPushMatrix()
glLoadIdentity()
glOrtho(0, 1, 0, 1,-1,1) # gl coord convention
glMatrixMode(GL_MODELVIEW)
glPushMatrix()
#apply m to our quad - this will stretch the quad such that the ref suface will span the window extends
glLoadMatrixf(m)
self.heatmap_texture.draw()
glMatrixMode(GL_PROJECTION)
glPopMatrix()
glMatrixMode(GL_MODELVIEW)
glPopMatrix()
def gl_display_metrics(self):
if self.metrics_texture and self.detected:
# cv uses 3x3 gl uses 4x4 tranformation matricies
m = cvmat_to_glmat(self.m_to_screen)
glMatrixMode(GL_PROJECTION)
glPushMatrix()
glLoadIdentity()
glOrtho(0, 1, 0, 1,-1,1) # gl coord convention
glMatrixMode(GL_MODELVIEW)
glPushMatrix()
#apply m to our quad - this will stretch the quad such that the ref suface will span the window extends
glLoadMatrixf(m)
self.metrics_texture.draw()
glMatrixMode(GL_PROJECTION)
glPopMatrix()
glMatrixMode(GL_MODELVIEW)
glPopMatrix()
def generate_heatmap(self,section):
if self.cache is None:
logger.warning('Surface cache is not build yet.')
return
x,y = self.real_world_size['x'],self.real_world_size['y']
x = max(1,int(x))
y = max(1,int(y))
filter_size = (int(self.heatmap_detail * x)/2)*2 +1
std_dev = filter_size /6.
self.heatmap = np.ones((y,x,4),dtype=np.uint8)
all_gaze = []
for frame_idx,c_e in enumerate(self.cache[section]):
if c_e:
frame_idx+=section.start
for gp in self.gaze_on_srf_by_frame_idx(frame_idx,c_e['m_from_screen']):
all_gaze.append(gp['norm_pos'])
if not all_gaze:
logger.warning("No gaze data on surface for heatmap found.")
all_gaze.append((-1.,-1.))
all_gaze = np.array(all_gaze)
all_gaze *= [self.real_world_size['x'],self.real_world_size['y']]
hist,xedge,yedge = np.histogram2d(all_gaze[:,0], all_gaze[:,1],
bins=[x,y],
range=[[0, self.real_world_size['x']], [0,self.real_world_size['y']]],
normed=False,
weights=None)
hist = np.rot90(hist)
#smoothing..
hist = cv2.GaussianBlur(hist, (filter_size,filter_size),std_dev)
maxval = np.amax(hist)
if maxval:
scale = 255./maxval
else:
scale = 0
hist = np.uint8( hist*(scale) )
#colormapping
c_map = cv2.applyColorMap(hist, cv2.COLORMAP_JET)
self.heatmap[:,:,:3] = c_map
self.heatmap[:,:,3] = 125
self.heatmap_texture = Named_Texture()
self.heatmap_texture.update_from_ndarray(self.heatmap)
def visible_count_in_section(self,section):
#section is a slice
#return number of frames where surface is visible.
#If cache is not available on frames it is reported as not visible
if self.cache is None:
return 0
section_cache = self.cache[section]
return sum(map(bool,section_cache))
def gaze_on_srf_in_section(self,section=slice(0,None)):
#section is a slice
#return number of gazepoints that are on surface in section
#If cache is not available on frames it is reported as not visible
if self.cache is None:
return []
gaze_on_srf = []
for frame_idx,c_e in enumerate(self.cache[section]):
frame_idx+=section.start
if c_e:
gaze_on_srf += [gp for gp in self.gaze_on_srf_by_frame_idx(frame_idx,c_e['m_from_screen']) if gp['on_srf']]
return gaze_on_srf
def world(
timebase,
eye_procs_alive,
ipc_pub_url,
ipc_sub_url,
ipc_push_url,
user_dir,
version,
preferred_remote_port,
hide_ui,
):
"""Reads world video and runs plugins.
Creates a window, gl context.
Grabs images from a capture.
Maps pupil to gaze data
Can run various plug-ins.
Reacts to notifications:
``set_detection_mapping_mode``
``eye_process.started``
``start_plugin``
Emits notifications:
``eye_process.should_start``
``eye_process.should_stop``
``set_detection_mapping_mode``
``world_process.started``
``world_process.stopped``
``recording.should_stop``: Emits on camera failure
``launcher_process.should_stop``
Emits data:
``gaze``: Gaze data from current gaze mapping plugin.``
``*``: any other plugin generated data in the events
that it not [dt,pupil,gaze].
"""
# We defer the imports because of multiprocessing.
# Otherwise the world process each process also loads the other imports.
# This is not harmful but unnecessary.
# general imports
from time import sleep
import logging
# networking
import zmq
import zmq_tools
# zmq ipc setup
zmq_ctx = zmq.Context()
ipc_pub = zmq_tools.Msg_Dispatcher(zmq_ctx, ipc_push_url)
notify_sub = zmq_tools.Msg_Receiver(zmq_ctx,
ipc_sub_url,
topics=("notify", ))
# log setup
logging.getLogger("OpenGL").setLevel(logging.ERROR)
logger = logging.getLogger()
logger.handlers = []
logger.setLevel(logging.NOTSET)
logger.addHandler(zmq_tools.ZMQ_handler(zmq_ctx, ipc_push_url))
# create logger for the context of this function
logger = logging.getLogger(__name__)
def launch_eye_process(eye_id, delay=0):
n = {
"subject": "eye_process.should_start.{}".format(eye_id),
"eye_id": eye_id,
"delay": delay,
}
ipc_pub.notify(n)
def stop_eye_process(eye_id):
n = {
"subject": "eye_process.should_stop.{}".format(eye_id),
"eye_id": eye_id,
"delay": 0.2,
}
ipc_pub.notify(n)
def start_stop_eye(eye_id, make_alive):
if make_alive:
launch_eye_process(eye_id)
else:
stop_eye_process(eye_id)
def set_detection_mapping_mode(new_mode):
n = {"subject": "set_detection_mapping_mode", "mode": new_mode}
ipc_pub.notify(n)
try:
from background_helper import IPC_Logging_Task_Proxy
IPC_Logging_Task_Proxy.push_url = ipc_push_url
from tasklib.background.patches import IPCLoggingPatch
IPCLoggingPatch.ipc_push_url = ipc_push_url
# display
import glfw
from version_utils import VersionFormat
from pyglui import ui, cygl, __version__ as pyglui_version
assert VersionFormat(pyglui_version) >= VersionFormat(
"1.24"), "pyglui out of date, please upgrade to newest version"
from pyglui.cygl.utils import Named_Texture
import gl_utils
# helpers/utils
from file_methods import Persistent_Dict
from methods import normalize, denormalize, delta_t, get_system_info, timer
from uvc import get_time_monotonic
logger.info("Application Version: {}".format(version))
logger.info("System Info: {}".format(get_system_info()))
import audio
# trigger pupil detector cpp build:
import pupil_detectors
del pupil_detectors
# Plug-ins
from plugin import (
Plugin,
System_Plugin_Base,
Plugin_List,
import_runtime_plugins,
)
from plugin_manager import Plugin_Manager
from calibration_routines import (
calibration_plugins,
gaze_mapping_plugins,
Calibration_Plugin,
Gaze_Mapping_Plugin,
)
from fixation_detector import Fixation_Detector
from recorder import Recorder
from display_recent_gaze import Display_Recent_Gaze
from time_sync import Time_Sync
from pupil_remote import Pupil_Remote
from pupil_groups import Pupil_Groups
from surface_tracker import Surface_Tracker_Online
from log_display import Log_Display
from annotations import Annotation_Capture
from log_history import Log_History
from frame_publisher import Frame_Publisher
from blink_detection import Blink_Detection
from video_capture import (
source_classes,
manager_classes,
Base_Manager,
Base_Source,
)
from pupil_data_relay import Pupil_Data_Relay
from remote_recorder import Remote_Recorder
from audio_capture import Audio_Capture
from accuracy_visualizer import Accuracy_Visualizer
# from saccade_detector import Saccade_Detector
from system_graphs import System_Graphs
from camera_intrinsics_estimation import Camera_Intrinsics_Estimation
from hololens_relay import Hololens_Relay
from head_pose_tracker.online_head_pose_tracker import Online_Head_Pose_Tracker
# UI Platform tweaks
if platform.system() == "Linux":
scroll_factor = 10.0
window_position_default = (30, 30)
elif platform.system() == "Windows":
scroll_factor = 10.0
window_position_default = (8, 90)
else:
scroll_factor = 1.0
window_position_default = (0, 0)
process_was_interrupted = False
def interrupt_handler(sig, frame):
import traceback
trace = traceback.format_stack(f=frame)
logger.debug(f"Caught signal {sig} in:\n" + "".join(trace))
nonlocal process_was_interrupted
process_was_interrupted = True
signal.signal(signal.SIGINT, interrupt_handler)
icon_bar_width = 50
window_size = None
camera_render_size = None
hdpi_factor = 1.0
# g_pool holds variables for this process they are accessible to all plugins
g_pool = SimpleNamespace()
g_pool.app = "capture"
g_pool.process = "world"
g_pool.user_dir = user_dir
g_pool.version = version
g_pool.timebase = timebase
g_pool.zmq_ctx = zmq_ctx
g_pool.ipc_pub = ipc_pub
g_pool.ipc_pub_url = ipc_pub_url
g_pool.ipc_sub_url = ipc_sub_url
g_pool.ipc_push_url = ipc_push_url
g_pool.eye_procs_alive = eye_procs_alive
g_pool.preferred_remote_port = preferred_remote_port
def get_timestamp():
return get_time_monotonic() - g_pool.timebase.value
g_pool.get_timestamp = get_timestamp
g_pool.get_now = get_time_monotonic
# manage plugins
runtime_plugins = import_runtime_plugins(
os.path.join(g_pool.user_dir, "plugins"))
user_plugins = [
Audio_Capture,
Pupil_Groups,
Frame_Publisher,
Pupil_Remote,
Time_Sync,
Surface_Tracker_Online,
Annotation_Capture,
Log_History,
Fixation_Detector,
Blink_Detection,
Remote_Recorder,
Accuracy_Visualizer,
Camera_Intrinsics_Estimation,
Hololens_Relay,
Online_Head_Pose_Tracker,
]
system_plugins = ([
Log_Display,
Display_Recent_Gaze,
Recorder,
Pupil_Data_Relay,
Plugin_Manager,
System_Graphs,
] + manager_classes + source_classes)
plugins = (system_plugins + user_plugins + runtime_plugins +
calibration_plugins + gaze_mapping_plugins)
user_plugins += [
p for p in runtime_plugins if not isinstance(
p,
(
Base_Manager,
Base_Source,
System_Plugin_Base,
Calibration_Plugin,
Gaze_Mapping_Plugin,
),
)
]
g_pool.plugin_by_name = {p.__name__: p for p in plugins}
default_capture_settings = {
"preferred_names": [
"Pupil Cam1 ID2",
"Logitech Camera",
"(046d:081d)",
"C510",
"B525",
"C525",
"C615",
"C920",
"C930e",
],
"frame_size": (1280, 720),
"frame_rate":
30,
}
default_plugins = [
("UVC_Source", default_capture_settings),
("Pupil_Data_Relay", {}),
("UVC_Manager", {}),
("Log_Display", {}),
("Dummy_Gaze_Mapper", {}),
("Display_Recent_Gaze", {}),
("Screen_Marker_Calibration", {}),
("Recorder", {}),
("Pupil_Remote", {}),
("Accuracy_Visualizer", {}),
("Plugin_Manager", {}),
("System_Graphs", {}),
]
# Callback functions
def on_resize(window, w, h):
nonlocal window_size
nonlocal camera_render_size
nonlocal hdpi_factor
if w == 0 or h == 0:
return
hdpi_factor = glfw.getHDPIFactor(window)
g_pool.gui.scale = g_pool.gui_user_scale * hdpi_factor
window_size = w, h
camera_render_size = w - int(icon_bar_width * g_pool.gui.scale), h
g_pool.gui.update_window(*window_size)
g_pool.gui.collect_menus()
for p in g_pool.plugins:
p.on_window_resize(window, *camera_render_size)
def on_window_key(window, key, scancode, action, mods):
g_pool.gui.update_key(key, scancode, action, mods)
def on_window_char(window, char):
g_pool.gui.update_char(char)
def on_window_mouse_button(window, button, action, mods):
g_pool.gui.update_button(button, action, mods)
def on_pos(window, x, y):
x, y = x * hdpi_factor, y * hdpi_factor
g_pool.gui.update_mouse(x, y)
pos = x, y
pos = normalize(pos, camera_render_size)
# Position in img pixels
pos = denormalize(pos, g_pool.capture.frame_size)
for p in g_pool.plugins:
p.on_pos(pos)
def on_scroll(window, x, y):
g_pool.gui.update_scroll(x, y * scroll_factor)
def on_drop(window, count, paths):
paths = [paths[x].decode("utf-8") for x in range(count)]
for plugin in g_pool.plugins:
if plugin.on_drop(paths):
break
tick = delta_t()
def get_dt():
return next(tick)
# load session persistent settings
session_settings = Persistent_Dict(
os.path.join(g_pool.user_dir, "user_settings_world"))
if VersionFormat(session_settings.get("version",
"0.0")) != g_pool.version:
logger.info(
"Session setting are from a different version of this app. I will not use those."
)
session_settings.clear()
g_pool.min_calibration_confidence = session_settings.get(
"min_calibration_confidence", 0.8)
g_pool.detection_mapping_mode = session_settings.get(
"detection_mapping_mode", "3d")
g_pool.active_calibration_plugin = None
g_pool.active_gaze_mapping_plugin = None
g_pool.capture = None
audio.audio_mode = session_settings.get("audio_mode",
audio.default_audio_mode)
def handle_notifications(noti):
subject = noti["subject"]
if subject == "set_detection_mapping_mode":
if noti["mode"] == "2d":
if ("Vector_Gaze_Mapper"
in g_pool.active_gaze_mapping_plugin.class_name):
logger.warning(
"The gaze mapper is not supported in 2d mode. Please recalibrate."
)
g_pool.plugins.add(
g_pool.plugin_by_name["Dummy_Gaze_Mapper"])
g_pool.detection_mapping_mode = noti["mode"]
elif subject == "start_plugin":
try:
g_pool.plugins.add(g_pool.plugin_by_name[noti["name"]],
args=noti.get("args", {}))
except KeyError as err:
logger.error(f"Attempt to load unknown plugin: {err}")
elif subject == "stop_plugin":
for p in g_pool.plugins:
if p.class_name == noti["name"]:
p.alive = False
g_pool.plugins.clean()
elif subject == "eye_process.started":
noti = {
"subject": "set_detection_mapping_mode",
"mode": g_pool.detection_mapping_mode,
}
ipc_pub.notify(noti)
elif subject == "set_min_calibration_confidence":
g_pool.min_calibration_confidence = noti["value"]
elif subject.startswith("meta.should_doc"):
ipc_pub.notify({
"subject": "meta.doc",
"actor": g_pool.app,
"doc": world.__doc__
})
for p in g_pool.plugins:
if (p.on_notify.__doc__
and p.__class__.on_notify != Plugin.on_notify):
ipc_pub.notify({
"subject": "meta.doc",
"actor": p.class_name,
"doc": p.on_notify.__doc__,
})
elif subject == "world_process.adapt_window_size":
set_window_size()
width, height = session_settings.get("window_size",
(1280 + icon_bar_width, 720))
# window and gl setup
glfw.glfwInit()
if hide_ui:
glfw.glfwWindowHint(glfw.GLFW_VISIBLE, 0) # hide window
main_window = glfw.glfwCreateWindow(width, height,
"Pupil Capture - World")
window_pos = session_settings.get("window_position",
window_position_default)
glfw.glfwSetWindowPos(main_window, window_pos[0], window_pos[1])
glfw.glfwMakeContextCurrent(main_window)
cygl.utils.init()
g_pool.main_window = main_window
def set_scale(new_scale):
g_pool.gui_user_scale = new_scale
window_size = (
camera_render_size[0] +
int(icon_bar_width * g_pool.gui_user_scale * hdpi_factor),
glfw.glfwGetFramebufferSize(main_window)[1],
)
logger.warning(icon_bar_width * g_pool.gui_user_scale *
hdpi_factor)
glfw.glfwSetWindowSize(main_window, *window_size)
def reset_restart():
logger.warning("Resetting all settings and restarting Capture.")
glfw.glfwSetWindowShouldClose(main_window, True)
ipc_pub.notify({"subject": "clear_settings_process.should_start"})
ipc_pub.notify({
"subject": "world_process.should_start",
"delay": 2.0
})
def toggle_general_settings(collapsed):
# this is the menu toggle logic.
# Only one menu can be open.
# If no menu is opened, the menubar should collapse.
g_pool.menubar.collapsed = collapsed
for m in g_pool.menubar.elements:
m.collapsed = True
general_settings.collapsed = collapsed
# setup GUI
g_pool.gui = ui.UI()
g_pool.gui_user_scale = session_settings.get("gui_scale", 1.0)
g_pool.menubar = ui.Scrolling_Menu("Settings",
pos=(-400, 0),
size=(-icon_bar_width, 0),
header_pos="left")
g_pool.iconbar = ui.Scrolling_Menu("Icons",
pos=(-icon_bar_width, 0),
size=(0, 0),
header_pos="hidden")
g_pool.quickbar = ui.Stretching_Menu("Quick Bar", (0, 100),
(120, -100))
g_pool.gui.append(g_pool.menubar)
g_pool.gui.append(g_pool.iconbar)
g_pool.gui.append(g_pool.quickbar)
general_settings = ui.Growing_Menu("General", header_pos="headline")
general_settings.append(
ui.Selector(
"gui_user_scale",
g_pool,
setter=set_scale,
selection=[0.6, 0.8, 1.0, 1.2, 1.4],
label="Interface size",
))
def set_window_size():
f_width, f_height = g_pool.capture.frame_size
f_width += int(icon_bar_width * g_pool.gui.scale)
glfw.glfwSetWindowSize(main_window, f_width, f_height)
on_resize(main_window, f_width, f_height)
general_settings.append(ui.Button("Reset window size",
set_window_size))
general_settings.append(
ui.Selector("audio_mode", audio, selection=audio.audio_modes))
general_settings.append(
ui.Selector(
"detection_mapping_mode",
g_pool,
label="detection & mapping mode",
setter=set_detection_mapping_mode,
selection=["disabled", "2d", "3d"],
))
general_settings.append(
ui.Switch(
"eye0_process",
label="Detect eye 0",
setter=lambda alive: start_stop_eye(0, alive),
getter=lambda: eye_procs_alive[0].value,
))
general_settings.append(
ui.Switch(
"eye1_process",
label="Detect eye 1",
setter=lambda alive: start_stop_eye(1, alive),
getter=lambda: eye_procs_alive[1].value,
))
general_settings.append(
ui.Info_Text("Capture Version: {}".format(g_pool.version)))
general_settings.append(
ui.Button("Restart with default settings", reset_restart))
g_pool.menubar.append(general_settings)
icon = ui.Icon(
"collapsed",
general_settings,
label=chr(0xE8B8),
on_val=False,
off_val=True,
setter=toggle_general_settings,
label_font="pupil_icons",
)
icon.tooltip = "General Settings"
g_pool.iconbar.append(icon)
user_plugin_separator = ui.Separator()
user_plugin_separator.order = 0.35
g_pool.iconbar.append(user_plugin_separator)
# plugins that are loaded based on user settings from previous session
g_pool.plugins = Plugin_List(
g_pool, session_settings.get("loaded_plugins", default_plugins))
# Register callbacks main_window
glfw.glfwSetFramebufferSizeCallback(main_window, on_resize)
glfw.glfwSetKeyCallback(main_window, on_window_key)
glfw.glfwSetCharCallback(main_window, on_window_char)
glfw.glfwSetMouseButtonCallback(main_window, on_window_mouse_button)
glfw.glfwSetCursorPosCallback(main_window, on_pos)
glfw.glfwSetScrollCallback(main_window, on_scroll)
glfw.glfwSetDropCallback(main_window, on_drop)
# gl_state settings
gl_utils.basic_gl_setup()
g_pool.image_tex = Named_Texture()
toggle_general_settings(True)
# now that we have a proper window we can load the last gui configuration
g_pool.gui.configuration = session_settings.get("ui_config", {})
# create a timer to control window update frequency
window_update_timer = timer(1 / 60)
def window_should_update():
return next(window_update_timer)
# trigger setup of window and gl sizes
on_resize(main_window, *glfw.glfwGetFramebufferSize(main_window))
if session_settings.get("eye1_process_alive", True):
launch_eye_process(1, delay=0.6)
if session_settings.get("eye0_process_alive", True):
launch_eye_process(0, delay=0.3)
ipc_pub.notify({"subject": "world_process.started"})
logger.warning("Process started.")
# Event loop
while (not glfw.glfwWindowShouldClose(main_window)
and not process_was_interrupted):
# fetch newest notifications
new_notifications = []
while notify_sub.new_data:
t, n = notify_sub.recv()
new_notifications.append(n)
# notify each plugin if there are new notifications:
for n in new_notifications:
handle_notifications(n)
for p in g_pool.plugins:
p.on_notify(n)
# a dictionary that allows plugins to post and read events
events = {}
# report time between now and the last loop interation
events["dt"] = get_dt()
# allow each Plugin to do its work.
for p in g_pool.plugins:
p.recent_events(events)
# check if a plugin need to be destroyed
g_pool.plugins.clean()
# "blacklisted" events that were already sent
del events["pupil"]
del events["gaze"]
# delete if exists. More expensive than del, so only use it when key might not exist
events.pop("annotation", None)
# send new events to ipc:
if "frame" in events:
del events["frame"] # send explicitly with frame publisher
if "depth_frame" in events:
del events["depth_frame"]
if "audio_packets" in events:
del events["audio_packets"]
del events["dt"] # no need to send this
for data in events.values():
assert isinstance(data, (list, tuple))
for d in data:
ipc_pub.send(d)
glfw.glfwMakeContextCurrent(main_window)
# render visual feedback from loaded plugins
glfw.glfwPollEvents()
if window_should_update() and gl_utils.is_window_visible(
main_window):
gl_utils.glViewport(0, 0, *camera_render_size)
for p in g_pool.plugins:
p.gl_display()
gl_utils.glViewport(0, 0, *window_size)
try:
clipboard = glfw.glfwGetClipboardString(
main_window).decode()
except AttributeError: # clipboard is None, might happen on startup
clipboard = ""
g_pool.gui.update_clipboard(clipboard)
user_input = g_pool.gui.update()
if user_input.clipboard != clipboard:
# only write to clipboard if content changed
glfw.glfwSetClipboardString(main_window,
user_input.clipboard.encode())
for button, action, mods in user_input.buttons:
x, y = glfw.glfwGetCursorPos(main_window)
pos = x * hdpi_factor, y * hdpi_factor
pos = normalize(pos, camera_render_size)
# Position in img pixels
pos = denormalize(pos, g_pool.capture.frame_size)
for plugin in g_pool.plugins:
if plugin.on_click(pos, button, action):
break
for key, scancode, action, mods in user_input.keys:
for plugin in g_pool.plugins:
if plugin.on_key(key, scancode, action, mods):
break
for char_ in user_input.chars:
for plugin in g_pool.plugins:
if plugin.on_char(char_):
break
glfw.glfwSwapBuffers(main_window)
session_settings["loaded_plugins"] = g_pool.plugins.get_initializers()
session_settings["gui_scale"] = g_pool.gui_user_scale
session_settings["ui_config"] = g_pool.gui.configuration
session_settings["version"] = str(g_pool.version)
session_settings["eye0_process_alive"] = eye_procs_alive[0].value
session_settings["eye1_process_alive"] = eye_procs_alive[1].value
session_settings[
"min_calibration_confidence"] = g_pool.min_calibration_confidence
session_settings[
"detection_mapping_mode"] = g_pool.detection_mapping_mode
session_settings["audio_mode"] = audio.audio_mode
if not hide_ui:
glfw.glfwRestoreWindow(
main_window) # need to do this for windows os
session_settings["window_position"] = glfw.glfwGetWindowPos(
main_window)
session_window_size = glfw.glfwGetWindowSize(main_window)
if 0 not in session_window_size:
session_settings["window_size"] = session_window_size
session_settings.close()
# de-init all running plugins
for p in g_pool.plugins:
p.alive = False
g_pool.plugins.clean()
g_pool.gui.terminate()
glfw.glfwDestroyWindow(main_window)
glfw.glfwTerminate()
except Exception:
import traceback
trace = traceback.format_exc()
logger.error("Process Capture crashed with trace:\n{}".format(trace))
finally:
# shut down eye processes:
stop_eye_process(0)
stop_eye_process(1)
logger.info("Process shutting down.")
ipc_pub.notify({"subject": "world_process.stopped"})
sleep(1.0)
def player(rec_dir, ipc_pub_url, ipc_sub_url, ipc_push_url, user_dir,
app_version, debug):
# general imports
from time import sleep
import logging
from glob import glob
from time import time, strftime, localtime
# networking
import zmq
import zmq_tools
import numpy as np
# zmq ipc setup
zmq_ctx = zmq.Context()
ipc_pub = zmq_tools.Msg_Dispatcher(zmq_ctx, ipc_push_url)
notify_sub = zmq_tools.Msg_Receiver(zmq_ctx,
ipc_sub_url,
topics=("notify", ))
# log setup
logging.getLogger("OpenGL").setLevel(logging.ERROR)
logger = logging.getLogger()
logger.handlers = []
logger.setLevel(logging.NOTSET)
logger.addHandler(zmq_tools.ZMQ_handler(zmq_ctx, ipc_push_url))
# create logger for the context of this function
logger = logging.getLogger(__name__)
try:
from background_helper import IPC_Logging_Task_Proxy
IPC_Logging_Task_Proxy.push_url = ipc_push_url
from tasklib.background.patches import IPCLoggingPatch
IPCLoggingPatch.ipc_push_url = ipc_push_url
# imports
from file_methods import Persistent_Dict, next_export_sub_dir
# display
import glfw
# check versions for our own depedencies as they are fast-changing
from pyglui import __version__ as pyglui_version
from pyglui import ui, cygl
from pyglui.cygl.utils import Named_Texture, RGBA
import gl_utils
# capture
from video_capture import File_Source
# helpers/utils
from version_utils import VersionFormat
from methods import normalize, denormalize, delta_t, get_system_info
import player_methods as pm
from pupil_recording import PupilRecording
from csv_utils import write_key_value_file
# Plug-ins
from plugin import Plugin, Plugin_List, import_runtime_plugins
from plugin_manager import Plugin_Manager
from vis_circle import Vis_Circle
from vis_cross import Vis_Cross
from vis_polyline import Vis_Polyline
from vis_light_points import Vis_Light_Points
from vis_watermark import Vis_Watermark
from vis_fixation import Vis_Fixation
from seek_control import Seek_Control
from surface_tracker import Surface_Tracker_Offline
# from marker_auto_trim_marks import Marker_Auto_Trim_Marks
from fixation_detector import Offline_Fixation_Detector
from log_display import Log_Display
from annotations import Annotation_Player
from raw_data_exporter import Raw_Data_Exporter
from log_history import Log_History
from pupil_producers import Pupil_From_Recording, Offline_Pupil_Detection
from gaze_producer.gaze_from_recording import GazeFromRecording
from gaze_producer.gaze_from_offline_calibration import (
GazeFromOfflineCalibration, )
from system_graphs import System_Graphs
from system_timelines import System_Timelines
from blink_detection import Offline_Blink_Detection
from audio_playback import Audio_Playback
from video_export.plugins.imotions_exporter import iMotions_Exporter
from video_export.plugins.eye_video_exporter import Eye_Video_Exporter
from video_export.plugins.world_video_exporter import World_Video_Exporter
from head_pose_tracker.offline_head_pose_tracker import (
Offline_Head_Pose_Tracker, )
from video_capture import File_Source
from video_overlay.plugins import Video_Overlay, Eye_Overlay
from pupil_recording import (
assert_valid_recording_type,
InvalidRecordingException,
)
assert VersionFormat(pyglui_version) >= VersionFormat(
"1.27"), "pyglui out of date, please upgrade to newest version"
process_was_interrupted = False
def interrupt_handler(sig, frame):
import traceback
trace = traceback.format_stack(f=frame)
logger.debug(f"Caught signal {sig} in:\n" + "".join(trace))
nonlocal process_was_interrupted
process_was_interrupted = True
signal.signal(signal.SIGINT, interrupt_handler)
runtime_plugins = import_runtime_plugins(
os.path.join(user_dir, "plugins"))
system_plugins = [
Log_Display,
Seek_Control,
Plugin_Manager,
System_Graphs,
System_Timelines,
Audio_Playback,
]
user_plugins = [
Vis_Circle,
Vis_Fixation,
Vis_Polyline,
Vis_Light_Points,
Vis_Cross,
Vis_Watermark,
Eye_Overlay,
Video_Overlay,
Offline_Fixation_Detector,
Offline_Blink_Detection,
Surface_Tracker_Offline,
Raw_Data_Exporter,
Annotation_Player,
Log_History,
Pupil_From_Recording,
Offline_Pupil_Detection,
GazeFromRecording,
GazeFromOfflineCalibration,
World_Video_Exporter,
iMotions_Exporter,
Eye_Video_Exporter,
Offline_Head_Pose_Tracker,
] + runtime_plugins
plugins = system_plugins + user_plugins
# Callback functions
def on_resize(window, w, h):
nonlocal window_size
nonlocal hdpi_factor
if w == 0 or h == 0:
return
hdpi_factor = glfw.getHDPIFactor(window)
g_pool.gui.scale = g_pool.gui_user_scale * hdpi_factor
window_size = w, h
g_pool.camera_render_size = w - int(
icon_bar_width * g_pool.gui.scale), h
g_pool.gui.update_window(*window_size)
g_pool.gui.collect_menus()
for p in g_pool.plugins:
p.on_window_resize(window, *g_pool.camera_render_size)
def on_window_key(window, key, scancode, action, mods):
g_pool.gui.update_key(key, scancode, action, mods)
def on_window_char(window, char):
g_pool.gui.update_char(char)
def on_window_mouse_button(window, button, action, mods):
g_pool.gui.update_button(button, action, mods)
def on_pos(window, x, y):
x, y = x * hdpi_factor, y * hdpi_factor
g_pool.gui.update_mouse(x, y)
pos = x, y
pos = normalize(pos, g_pool.camera_render_size)
# Position in img pixels
pos = denormalize(pos, g_pool.capture.frame_size)
for p in g_pool.plugins:
p.on_pos(pos)
def on_scroll(window, x, y):
g_pool.gui.update_scroll(x, y * scroll_factor)
def on_drop(window, count, paths):
paths = [paths[x].decode("utf-8") for x in range(count)]
for path in paths:
try:
assert_valid_recording_type(path)
_restart_with_recording(path)
return
except InvalidRecordingException as err:
logger.debug(str(err))
for plugin in g_pool.plugins:
if plugin.on_drop(paths):
break
def _restart_with_recording(rec_dir):
logger.debug("Starting new session with '{}'".format(rec_dir))
ipc_pub.notify({
"subject": "player_drop_process.should_start",
"rec_dir": rec_dir
})
glfw.glfwSetWindowShouldClose(g_pool.main_window, True)
tick = delta_t()
def get_dt():
return next(tick)
recording = PupilRecording(rec_dir)
meta_info = recording.meta_info
# log info about Pupil Platform and Platform in player.log
logger.info("Application Version: {}".format(app_version))
logger.info("System Info: {}".format(get_system_info()))
logger.debug(f"Debug flag: {debug}")
icon_bar_width = 50
window_size = None
hdpi_factor = 1.0
# create container for globally scoped vars
g_pool = SimpleNamespace()
g_pool.app = "player"
g_pool.zmq_ctx = zmq_ctx
g_pool.ipc_pub = ipc_pub
g_pool.ipc_pub_url = ipc_pub_url
g_pool.ipc_sub_url = ipc_sub_url
g_pool.ipc_push_url = ipc_push_url
g_pool.plugin_by_name = {p.__name__: p for p in plugins}
g_pool.camera_render_size = None
video_path = recording.files().core().world().videos()[0].resolve()
File_Source(
g_pool,
timing="external",
source_path=video_path,
buffered_decoding=True,
fill_gaps=True,
)
# load session persistent settings
session_settings = Persistent_Dict(
os.path.join(user_dir, "user_settings_player"))
if VersionFormat(session_settings.get("version",
"0.0")) != app_version:
logger.info(
"Session setting are a different version of this app. I will not use those."
)
session_settings.clear()
width, height = g_pool.capture.frame_size
width += icon_bar_width
width, height = session_settings.get("window_size", (width, height))
window_pos = session_settings.get("window_position",
window_position_default)
window_name = f"Pupil Player: {meta_info.recording_name} - {rec_dir}"
glfw.glfwInit()
main_window = glfw.glfwCreateWindow(width, height, window_name, None,
None)
glfw.glfwSetWindowPos(main_window, window_pos[0], window_pos[1])
glfw.glfwMakeContextCurrent(main_window)
cygl.utils.init()
g_pool.main_window = main_window
def set_scale(new_scale):
g_pool.gui_user_scale = new_scale
window_size = (
g_pool.camera_render_size[0] +
int(icon_bar_width * g_pool.gui_user_scale * hdpi_factor),
glfw.glfwGetFramebufferSize(main_window)[1],
)
logger.warning(icon_bar_width * g_pool.gui_user_scale *
hdpi_factor)
glfw.glfwSetWindowSize(main_window, *window_size)
g_pool.version = app_version
g_pool.timestamps = g_pool.capture.timestamps
g_pool.get_timestamp = lambda: 0.0
g_pool.user_dir = user_dir
g_pool.rec_dir = rec_dir
g_pool.meta_info = meta_info
g_pool.min_data_confidence = session_settings.get(
"min_data_confidence", MIN_DATA_CONFIDENCE_DEFAULT)
g_pool.min_calibration_confidence = session_settings.get(
"min_calibration_confidence", MIN_CALIBRATION_CONFIDENCE_DEFAULT)
# populated by producers
g_pool.pupil_positions = pm.PupilDataBisector()
g_pool.gaze_positions = pm.Bisector()
g_pool.fixations = pm.Affiliator()
g_pool.eye_movements = pm.Affiliator()
def set_data_confidence(new_confidence):
g_pool.min_data_confidence = new_confidence
notification = {"subject": "min_data_confidence_changed"}
notification["_notify_time_"] = time() + 0.8
g_pool.ipc_pub.notify(notification)
def do_export(_):
left_idx = g_pool.seek_control.trim_left
right_idx = g_pool.seek_control.trim_right
export_range = left_idx, right_idx + 1 # exclusive range.stop
export_ts_window = pm.exact_window(g_pool.timestamps,
(left_idx, right_idx))
export_dir = os.path.join(g_pool.rec_dir, "exports")
export_dir = next_export_sub_dir(export_dir)
os.makedirs(export_dir)
logger.info('Created export dir at "{}"'.format(export_dir))
export_info = {
"Player Software Version":
str(g_pool.version),
"Data Format Version":
meta_info.min_player_version,
"Export Date":
strftime("%d.%m.%Y", localtime()),
"Export Time":
strftime("%H:%M:%S", localtime()),
"Frame Index Range:":
g_pool.seek_control.get_frame_index_trim_range_string(),
"Relative Time Range":
g_pool.seek_control.get_rel_time_trim_range_string(),
"Absolute Time Range":
g_pool.seek_control.get_abs_time_trim_range_string(),
}
with open(os.path.join(export_dir, "export_info.csv"), "w") as csv:
write_key_value_file(csv, export_info)
notification = {
"subject": "should_export",
"range": export_range,
"ts_window": export_ts_window,
"export_dir": export_dir,
}
g_pool.ipc_pub.notify(notification)
def reset_restart():
logger.warning("Resetting all settings and restarting Player.")
glfw.glfwSetWindowShouldClose(main_window, True)
ipc_pub.notify({"subject": "clear_settings_process.should_start"})
ipc_pub.notify({
"subject": "player_process.should_start",
"rec_dir": rec_dir,
"delay": 2.0,
})
def toggle_general_settings(collapsed):
# this is the menu toggle logic.
# Only one menu can be open.
# If no menu is open the menubar should collapse.
g_pool.menubar.collapsed = collapsed
for m in g_pool.menubar.elements:
m.collapsed = True
general_settings.collapsed = collapsed
g_pool.gui = ui.UI()
g_pool.gui_user_scale = session_settings.get("gui_scale", 1.0)
g_pool.menubar = ui.Scrolling_Menu("Settings",
pos=(-500, 0),
size=(-icon_bar_width, 0),
header_pos="left")
g_pool.iconbar = ui.Scrolling_Menu("Icons",
pos=(-icon_bar_width, 0),
size=(0, 0),
header_pos="hidden")
g_pool.timelines = ui.Container((0, 0), (0, 0), (0, 0))
g_pool.timelines.horizontal_constraint = g_pool.menubar
g_pool.user_timelines = ui.Timeline_Menu("User Timelines",
pos=(0.0, -150.0),
size=(0.0, 0.0),
header_pos="headline")
g_pool.user_timelines.color = RGBA(a=0.0)
g_pool.user_timelines.collapsed = True
# add container that constaints itself to the seekbar height
vert_constr = ui.Container((0, 0), (0, -50.0), (0, 0))
vert_constr.append(g_pool.user_timelines)
g_pool.timelines.append(vert_constr)
def set_window_size():
f_width, f_height = g_pool.capture.frame_size
f_width += int(icon_bar_width * g_pool.gui.scale)
glfw.glfwSetWindowSize(main_window, f_width, f_height)
general_settings = ui.Growing_Menu("General", header_pos="headline")
general_settings.append(ui.Button("Reset window size",
set_window_size))
general_settings.append(
ui.Selector(
"gui_user_scale",
g_pool,
setter=set_scale,
selection=[0.8, 0.9, 1.0, 1.1, 1.2] +
list(np.arange(1.5, 5.1, 0.5)),
label="Interface Size",
))
general_settings.append(
ui.Info_Text(
f"Minimum Player Version: {meta_info.min_player_version}"))
general_settings.append(
ui.Info_Text(f"Player Version: {g_pool.version}"))
general_settings.append(
ui.Info_Text(
f"Recording Software: {meta_info.recording_software_name}"))
general_settings.append(
ui.Info_Text(
f"Recording Software Version: {meta_info.recording_software_version}"
))
general_settings.append(
ui.Info_Text(
"High level data, e.g. fixations, or visualizations only consider gaze data that has an equal or higher confidence than the minimum data confidence."
))
general_settings.append(
ui.Slider(
"min_data_confidence",
g_pool,
setter=set_data_confidence,
step=0.05,
min=0.0,
max=1.0,
label="Minimum data confidence",
))
general_settings.append(
ui.Button("Restart with default settings", reset_restart))
g_pool.menubar.append(general_settings)
icon = ui.Icon(
"collapsed",
general_settings,
label=chr(0xE8B8),
on_val=False,
off_val=True,
setter=toggle_general_settings,
label_font="pupil_icons",
)
icon.tooltip = "General Settings"
g_pool.iconbar.append(icon)
user_plugin_separator = ui.Separator()
user_plugin_separator.order = 0.35
g_pool.iconbar.append(user_plugin_separator)
g_pool.quickbar = ui.Stretching_Menu("Quick Bar", (0, 100),
(100, -100))
g_pool.export_button = ui.Thumb(
"export",
label=chr(0xE2C5),
getter=lambda: False,
setter=do_export,
hotkey="e",
label_font="pupil_icons",
)
g_pool.quickbar.extend([g_pool.export_button])
g_pool.gui.append(g_pool.menubar)
g_pool.gui.append(g_pool.timelines)
g_pool.gui.append(g_pool.iconbar)
g_pool.gui.append(g_pool.quickbar)
# we always load these plugins
default_plugins = [
("Plugin_Manager", {}),
("Seek_Control", {}),
("Log_Display", {}),
("Raw_Data_Exporter", {}),
("Vis_Polyline", {}),
("Vis_Circle", {}),
("System_Graphs", {}),
("System_Timelines", {}),
("World_Video_Exporter", {}),
("Pupil_From_Recording", {}),
("GazeFromRecording", {}),
("Audio_Playback", {}),
]
g_pool.plugins = Plugin_List(
g_pool, session_settings.get("loaded_plugins", default_plugins))
# Manually add g_pool.capture to the plugin list
g_pool.plugins._plugins.append(g_pool.capture)
g_pool.plugins._plugins.sort(key=lambda p: p.order)
g_pool.capture.init_ui()
general_settings.insert(
-1,
ui.Text_Input(
"rel_time_trim_section",
getter=g_pool.seek_control.get_rel_time_trim_range_string,
setter=g_pool.seek_control.set_rel_time_trim_range_string,
label="Relative time range to export",
),
)
general_settings.insert(
-1,
ui.Text_Input(
"frame_idx_trim_section",
getter=g_pool.seek_control.get_frame_index_trim_range_string,
setter=g_pool.seek_control.set_frame_index_trim_range_string,
label="Frame index range to export",
),
)
# Register callbacks main_window
glfw.glfwSetFramebufferSizeCallback(main_window, on_resize)
glfw.glfwSetKeyCallback(main_window, on_window_key)
glfw.glfwSetCharCallback(main_window, on_window_char)
glfw.glfwSetMouseButtonCallback(main_window, on_window_mouse_button)
glfw.glfwSetCursorPosCallback(main_window, on_pos)
glfw.glfwSetScrollCallback(main_window, on_scroll)
glfw.glfwSetDropCallback(main_window, on_drop)
toggle_general_settings(True)
g_pool.gui.configuration = session_settings.get("ui_config", {})
# gl_state settings
gl_utils.basic_gl_setup()
g_pool.image_tex = Named_Texture()
# trigger on_resize
on_resize(main_window, *glfw.glfwGetFramebufferSize(main_window))
def handle_notifications(n):
subject = n["subject"]
if subject == "start_plugin":
g_pool.plugins.add(g_pool.plugin_by_name[n["name"]],
args=n.get("args", {}))
elif subject.startswith("meta.should_doc"):
ipc_pub.notify({
"subject": "meta.doc",
"actor": g_pool.app,
"doc": player.__doc__
})
for p in g_pool.plugins:
if (p.on_notify.__doc__
and p.__class__.on_notify != Plugin.on_notify):
ipc_pub.notify({
"subject": "meta.doc",
"actor": p.class_name,
"doc": p.on_notify.__doc__,
})
while (not glfw.glfwWindowShouldClose(main_window)
and not process_was_interrupted):
# fetch newest notifications
new_notifications = []
while notify_sub.new_data:
t, n = notify_sub.recv()
new_notifications.append(n)
# notify each plugin if there are new notifications:
for n in new_notifications:
handle_notifications(n)
for p in g_pool.plugins:
p.on_notify(n)
events = {}
# report time between now and the last loop interation
events["dt"] = get_dt()
# pupil and gaze positions are added by their respective producer plugins
events["pupil"] = []
events["gaze"] = []
# allow each Plugin to do its work.
for p in g_pool.plugins:
p.recent_events(events)
# check if a plugin need to be destroyed
g_pool.plugins.clean()
glfw.glfwMakeContextCurrent(main_window)
glfw.glfwPollEvents()
# render visual feedback from loaded plugins
if gl_utils.is_window_visible(main_window):
gl_utils.glViewport(0, 0, *g_pool.camera_render_size)
g_pool.capture.gl_display()
for p in g_pool.plugins:
p.gl_display()
gl_utils.glViewport(0, 0, *window_size)
try:
clipboard = glfw.glfwGetClipboardString(
main_window).decode()
except AttributeError: # clipbaord is None, might happen on startup
clipboard = ""
g_pool.gui.update_clipboard(clipboard)
user_input = g_pool.gui.update()
if user_input.clipboard and user_input.clipboard != clipboard:
# only write to clipboard if content changed
glfw.glfwSetClipboardString(main_window,
user_input.clipboard.encode())
for b in user_input.buttons:
button, action, mods = b
x, y = glfw.glfwGetCursorPos(main_window)
pos = x * hdpi_factor, y * hdpi_factor
pos = normalize(pos, g_pool.camera_render_size)
pos = denormalize(pos, g_pool.capture.frame_size)
for plugin in g_pool.plugins:
if plugin.on_click(pos, button, action):
break
for key, scancode, action, mods in user_input.keys:
for plugin in g_pool.plugins:
if plugin.on_key(key, scancode, action, mods):
break
for char_ in user_input.chars:
for plugin in g_pool.plugins:
if plugin.on_char(char_):
break
# present frames at appropriate speed
g_pool.seek_control.wait(events["frame"].timestamp)
glfw.glfwSwapBuffers(main_window)
session_settings["loaded_plugins"] = g_pool.plugins.get_initializers()
session_settings["min_data_confidence"] = g_pool.min_data_confidence
session_settings[
"min_calibration_confidence"] = g_pool.min_calibration_confidence
session_settings["gui_scale"] = g_pool.gui_user_scale
session_settings["ui_config"] = g_pool.gui.configuration
session_settings["window_position"] = glfw.glfwGetWindowPos(
main_window)
session_settings["version"] = str(g_pool.version)
session_window_size = glfw.glfwGetWindowSize(main_window)
if 0 not in session_window_size:
session_settings["window_size"] = session_window_size
session_settings.close()
# de-init all running plugins
for p in g_pool.plugins:
p.alive = False
g_pool.plugins.clean()
g_pool.gui.terminate()
glfw.glfwDestroyWindow(main_window)
except Exception:
import traceback
trace = traceback.format_exc()
logger.error("Process Player crashed with trace:\n{}".format(trace))
finally:
logger.info("Process shutting down.")
ipc_pub.notify({"subject": "player_process.stopped"})
sleep(1.0)
def eye(
timebase,
is_alive_flag,
ipc_pub_url,
ipc_sub_url,
ipc_push_url,
user_dir,
version,
eye_id,
overwrite_cap_settings=None,
):
"""reads eye video and detects the pupil.
Creates a window, gl context.
Grabs images from a capture.
Streams Pupil coordinates.
Reacts to notifications:
``set_detection_mapping_mode``: Sets detection method
``eye_process.should_stop``: Stops the eye process
``recording.started``: Starts recording eye video
``recording.stopped``: Stops recording eye video
``frame_publishing.started``: Starts frame publishing
``frame_publishing.stopped``: Stops frame publishing
Emits notifications:
``eye_process.started``: Eye process started
``eye_process.stopped``: Eye process stopped
Emits data:
``pupil.<eye id>``: Pupil data for eye with id ``<eye id>``
``frame.eye.<eye id>``: Eye frames with id ``<eye id>``
"""
# We deferr the imports becasue of multiprocessing.
# Otherwise the world process each process also loads the other imports.
import zmq
import zmq_tools
zmq_ctx = zmq.Context()
ipc_socket = zmq_tools.Msg_Dispatcher(zmq_ctx, ipc_push_url)
pupil_socket = zmq_tools.Msg_Streamer(zmq_ctx, ipc_pub_url)
notify_sub = zmq_tools.Msg_Receiver(zmq_ctx, ipc_sub_url, topics=("notify",))
# logging setup
import logging
logging.getLogger("OpenGL").setLevel(logging.ERROR)
logger = logging.getLogger()
logger.handlers = []
logger.setLevel(logging.NOTSET)
logger.addHandler(zmq_tools.ZMQ_handler(zmq_ctx, ipc_push_url))
# create logger for the context of this function
logger = logging.getLogger(__name__)
if is_alive_flag.value:
# indicates eye process that this is a duplicated startup
logger.warning("Aborting redundant eye process startup")
return
with Is_Alive_Manager(is_alive_flag, ipc_socket, eye_id, logger):
# general imports
import traceback
import numpy as np
import cv2
# display
import glfw
from pyglui import ui, graph, cygl
from pyglui.cygl.utils import draw_points, RGBA, draw_polyline
from pyglui.cygl.utils import Named_Texture
from gl_utils import basic_gl_setup, adjust_gl_view, clear_gl_screen
from gl_utils import make_coord_system_pixel_based
from gl_utils import make_coord_system_norm_based
from gl_utils import is_window_visible, glViewport
from ui_roi import UIRoi
# monitoring
import psutil
# helpers/utils
from uvc import get_time_monotonic
from file_methods import Persistent_Dict
from version_utils import VersionFormat
from methods import normalize, denormalize, timer
from av_writer import JPEG_Writer, AV_Writer
from ndsi import H264Writer
from video_capture import source_classes
from video_capture import manager_classes
from background_helper import IPC_Logging_Task_Proxy
IPC_Logging_Task_Proxy.push_url = ipc_push_url
# Pupil detectors
from pupil_detectors import Detector_2D, Detector_3D, Detector_Dummy
pupil_detectors = {
Detector_2D.__name__: Detector_2D,
Detector_3D.__name__: Detector_3D,
Detector_Dummy.__name__: Detector_Dummy,
}
# UI Platform tweaks
if platform.system() == "Linux":
scroll_factor = 10.0
window_position_default = (600, 300 * eye_id + 30)
elif platform.system() == "Windows":
scroll_factor = 10.0
window_position_default = (600, 90 + 300 * eye_id)
else:
scroll_factor = 1.0
window_position_default = (600, 300 * eye_id)
icon_bar_width = 50
window_size = None
camera_render_size = None
hdpi_factor = 1.0
# g_pool holds variables for this process
g_pool = SimpleNamespace()
# make some constants avaiable
g_pool.user_dir = user_dir
g_pool.version = version
g_pool.app = "capture"
g_pool.process = "eye{}".format(eye_id)
g_pool.timebase = timebase
g_pool.ipc_pub = ipc_socket
def get_timestamp():
return get_time_monotonic() - g_pool.timebase.value
g_pool.get_timestamp = get_timestamp
g_pool.get_now = get_time_monotonic
# Callback functions
def on_resize(window, w, h):
nonlocal window_size
nonlocal camera_render_size
nonlocal hdpi_factor
active_window = glfw.glfwGetCurrentContext()
glfw.glfwMakeContextCurrent(window)
hdpi_factor = glfw.getHDPIFactor(window)
g_pool.gui.scale = g_pool.gui_user_scale * hdpi_factor
window_size = w, h
camera_render_size = w - int(icon_bar_width * g_pool.gui.scale), h
g_pool.gui.update_window(w, h)
g_pool.gui.collect_menus()
for g in g_pool.graphs:
g.scale = hdpi_factor
g.adjust_window_size(w, h)
adjust_gl_view(w, h)
glfw.glfwMakeContextCurrent(active_window)
def on_window_key(window, key, scancode, action, mods):
g_pool.gui.update_key(key, scancode, action, mods)
def on_window_char(window, char):
g_pool.gui.update_char(char)
def on_iconify(window, iconified):
g_pool.iconified = iconified
def on_window_mouse_button(window, button, action, mods):
g_pool.gui.update_button(button, action, mods)
def on_pos(window, x, y):
x *= hdpi_factor
y *= hdpi_factor
g_pool.gui.update_mouse(x, y)
if g_pool.u_r.active_edit_pt:
pos = normalize((x, y), camera_render_size)
if g_pool.flip:
pos = 1 - pos[0], 1 - pos[1]
pos = denormalize(pos, g_pool.capture.frame_size)
g_pool.u_r.move_vertex(g_pool.u_r.active_pt_idx, pos)
def on_scroll(window, x, y):
g_pool.gui.update_scroll(x, y * scroll_factor)
def on_drop(window, count, paths):
paths = [paths[x].decode("utf-8") for x in range(count)]
plugins = (g_pool.capture_manager, g_pool.capture)
# call `on_drop` callbacks until a plugin indicates
# that it has consumed the event (by returning True)
any(p.on_drop(paths) for p in plugins)
# load session persistent settings
session_settings = Persistent_Dict(
os.path.join(g_pool.user_dir, "user_settings_eye{}".format(eye_id))
)
if VersionFormat(session_settings.get("version", "0.0")) != g_pool.version:
logger.info(
"Session setting are from a different version of this app. I will not use those."
)
session_settings.clear()
g_pool.iconified = False
g_pool.capture = None
g_pool.capture_manager = None
g_pool.flip = session_settings.get("flip", False)
g_pool.display_mode = session_settings.get("display_mode", "camera_image")
g_pool.display_mode_info_text = {
"camera_image": "Raw eye camera image. This uses the least amount of CPU power",
"roi": "Click and drag on the blue circles to adjust the region of interest. The region should be as small as possible, but large enough to capture all pupil movements.",
"algorithm": "Algorithm display mode overlays a visualization of the pupil detection parameters on top of the eye video. Adjust parameters within the Pupil Detection menu below.",
}
capture_manager_settings = session_settings.get(
"capture_manager_settings", ("UVC_Manager", {})
)
manager_class_name, manager_settings = capture_manager_settings
manager_class_by_name = {c.__name__: c for c in manager_classes}
g_pool.capture_manager = manager_class_by_name[manager_class_name](
g_pool, **manager_settings
)
if eye_id == 0:
cap_src = ["Pupil Cam3 ID0", "Pupil Cam2 ID0", "Pupil Cam1 ID0", "HD-6000"]
else:
cap_src = ["Pupil Cam3 ID1", "Pupil Cam2 ID1", "Pupil Cam1 ID1"]
# Initialize capture
default_settings = (
"UVC_Source",
{"preferred_names": cap_src, "frame_size": (320, 240), "frame_rate": 120},
)
capture_source_settings = overwrite_cap_settings or session_settings.get(
"capture_settings", default_settings
)
source_class_name, source_settings = capture_source_settings
source_class_by_name = {c.__name__: c for c in source_classes}
g_pool.capture = source_class_by_name[source_class_name](
g_pool, **source_settings
)
assert g_pool.capture
g_pool.u_r = UIRoi((g_pool.capture.frame_size[1], g_pool.capture.frame_size[0]))
roi_user_settings = session_settings.get("roi")
if roi_user_settings and tuple(roi_user_settings[-1]) == g_pool.u_r.get()[-1]:
g_pool.u_r.set(roi_user_settings)
pupil_detector_settings = session_settings.get("pupil_detector_settings", None)
last_pupil_detector = pupil_detectors[
session_settings.get("last_pupil_detector", Detector_2D.__name__)
]
g_pool.pupil_detector = last_pupil_detector(g_pool, pupil_detector_settings)
def set_display_mode_info(val):
g_pool.display_mode = val
g_pool.display_mode_info.text = g_pool.display_mode_info_text[val]
def set_detector(new_detector):
g_pool.pupil_detector.deinit_ui()
g_pool.pupil_detector.cleanup()
g_pool.pupil_detector = new_detector(g_pool)
g_pool.pupil_detector.init_ui()
def toggle_general_settings(collapsed):
# this is the menu toggle logic.
# Only one menu can be open.
# If no menu is open the menubar should collapse.
g_pool.menubar.collapsed = collapsed
for m in g_pool.menubar.elements:
m.collapsed = True
general_settings.collapsed = collapsed
# Initialize glfw
glfw.glfwInit()
title = "Pupil Capture - eye {}".format(eye_id)
width, height = g_pool.capture.frame_size
width *= 2
height *= 2
width += icon_bar_width
width, height = session_settings.get("window_size", (width, height))
main_window = glfw.glfwCreateWindow(width, height, title, None, None)
window_pos = session_settings.get("window_position", window_position_default)
glfw.glfwSetWindowPos(main_window, window_pos[0], window_pos[1])
glfw.glfwMakeContextCurrent(main_window)
cygl.utils.init()
# UI callback functions
def set_scale(new_scale):
g_pool.gui_user_scale = new_scale
on_resize(main_window, *glfw.glfwGetFramebufferSize(main_window))
# gl_state settings
basic_gl_setup()
g_pool.image_tex = Named_Texture()
g_pool.image_tex.update_from_ndarray(np.ones((1, 1), dtype=np.uint8) + 125)
# setup GUI
g_pool.gui = ui.UI()
g_pool.gui_user_scale = session_settings.get("gui_scale", 1.0)
g_pool.menubar = ui.Scrolling_Menu(
"Settings", pos=(-500, 0), size=(-icon_bar_width, 0), header_pos="left"
)
g_pool.iconbar = ui.Scrolling_Menu(
"Icons", pos=(-icon_bar_width, 0), size=(0, 0), header_pos="hidden"
)
g_pool.gui.append(g_pool.menubar)
g_pool.gui.append(g_pool.iconbar)
general_settings = ui.Growing_Menu("General", header_pos="headline")
general_settings.append(
ui.Selector(
"gui_user_scale",
g_pool,
setter=set_scale,
selection=[0.8, 0.9, 1.0, 1.1, 1.2],
label="Interface Size",
)
)
def set_window_size():
f_width, f_height = g_pool.capture.frame_size
f_width *= 2
f_height *= 2
f_width += int(icon_bar_width * g_pool.gui.scale)
glfw.glfwSetWindowSize(main_window, f_width, f_height)
def uroi_on_mouse_button(button, action, mods):
if g_pool.display_mode == "roi":
if action == glfw.GLFW_RELEASE and g_pool.u_r.active_edit_pt:
g_pool.u_r.active_edit_pt = False
# if the roi interacts we dont want
# the gui to interact as well
return
elif action == glfw.GLFW_PRESS:
x, y = glfw.glfwGetCursorPos(main_window)
# pos = normalize(pos, glfw.glfwGetWindowSize(main_window))
x *= hdpi_factor
y *= hdpi_factor
pos = normalize((x, y), camera_render_size)
if g_pool.flip:
pos = 1 - pos[0], 1 - pos[1]
# Position in img pixels
pos = denormalize(
pos, g_pool.capture.frame_size
) # Position in img pixels
if g_pool.u_r.mouse_over_edit_pt(
pos, g_pool.u_r.handle_size, g_pool.u_r.handle_size
):
# if the roi interacts we dont want
# the gui to interact as well
return
general_settings.append(ui.Button("Reset window size", set_window_size))
general_settings.append(ui.Switch("flip", g_pool, label="Flip image display"))
general_settings.append(
ui.Selector(
"display_mode",
g_pool,
setter=set_display_mode_info,
selection=["camera_image", "roi", "algorithm"],
labels=["Camera Image", "ROI", "Algorithm"],
label="Mode",
)
)
g_pool.display_mode_info = ui.Info_Text(
g_pool.display_mode_info_text[g_pool.display_mode]
)
general_settings.append(g_pool.display_mode_info)
detector_selector = ui.Selector(
"pupil_detector",
getter=lambda: g_pool.pupil_detector.__class__,
setter=set_detector,
selection=[Detector_Dummy, Detector_2D, Detector_3D],
labels=["disabled", "C++ 2d detector", "C++ 3d detector"],
label="Detection method",
)
general_settings.append(detector_selector)
g_pool.menubar.append(general_settings)
icon = ui.Icon(
"collapsed",
general_settings,
label=chr(0xE8B8),
on_val=False,
off_val=True,
setter=toggle_general_settings,
label_font="pupil_icons",
)
icon.tooltip = "General Settings"
g_pool.iconbar.append(icon)
toggle_general_settings(False)
g_pool.pupil_detector.init_ui()
g_pool.capture.init_ui()
g_pool.capture_manager.init_ui()
g_pool.writer = None
def replace_source(source_class_name, source_settings):
g_pool.capture.deinit_ui()
g_pool.capture.cleanup()
g_pool.capture = source_class_by_name[source_class_name](
g_pool, **source_settings
)
g_pool.capture.init_ui()
if g_pool.writer:
logger.info("Done recording.")
try:
g_pool.writer.release()
except RuntimeError:
logger.error("No eye video recorded")
g_pool.writer = None
g_pool.replace_source = replace_source # for ndsi capture
# Register callbacks main_window
glfw.glfwSetFramebufferSizeCallback(main_window, on_resize)
glfw.glfwSetWindowIconifyCallback(main_window, on_iconify)
glfw.glfwSetKeyCallback(main_window, on_window_key)
glfw.glfwSetCharCallback(main_window, on_window_char)
glfw.glfwSetMouseButtonCallback(main_window, on_window_mouse_button)
glfw.glfwSetCursorPosCallback(main_window, on_pos)
glfw.glfwSetScrollCallback(main_window, on_scroll)
glfw.glfwSetDropCallback(main_window, on_drop)
# load last gui configuration
g_pool.gui.configuration = session_settings.get("ui_config", {})
# set up performance graphs
pid = os.getpid()
ps = psutil.Process(pid)
ts = g_pool.get_timestamp()
cpu_graph = graph.Bar_Graph()
cpu_graph.pos = (20, 50)
cpu_graph.update_fn = ps.cpu_percent
cpu_graph.update_rate = 5
cpu_graph.label = "CPU %0.1f"
fps_graph = graph.Bar_Graph()
fps_graph.pos = (140, 50)
fps_graph.update_rate = 5
fps_graph.label = "%0.0f FPS"
g_pool.graphs = [cpu_graph, fps_graph]
# set the last saved window size
on_resize(main_window, *glfw.glfwGetFramebufferSize(main_window))
should_publish_frames = False
frame_publish_format = "jpeg"
frame_publish_format_recent_warning = False
# create a timer to control window update frequency
window_update_timer = timer(1 / 60)
def window_should_update():
return next(window_update_timer)
logger.warning("Process started.")
frame = None
# Event loop
while not glfw.glfwWindowShouldClose(main_window):
if notify_sub.new_data:
t, notification = notify_sub.recv()
subject = notification["subject"]
if subject.startswith("eye_process.should_stop"):
if notification["eye_id"] == eye_id:
break
elif subject == "set_detection_mapping_mode":
if notification["mode"] == "3d":
if not isinstance(g_pool.pupil_detector, Detector_3D):
set_detector(Detector_3D)
detector_selector.read_only = True
elif notification["mode"] == "2d":
if not isinstance(g_pool.pupil_detector, Detector_2D):
set_detector(Detector_2D)
detector_selector.read_only = False
else:
if not isinstance(g_pool.pupil_detector, Detector_Dummy):
set_detector(Detector_Dummy)
detector_selector.read_only = True
elif subject == "recording.started":
if notification["record_eye"] and g_pool.capture.online:
record_path = notification["rec_path"]
raw_mode = notification["compression"]
logger.info("Will save eye video to: {}".format(record_path))
video_path = os.path.join(
record_path, "eye{}.mp4".format(eye_id)
)
if raw_mode and frame and g_pool.capture.jpeg_support:
g_pool.writer = JPEG_Writer(
video_path, g_pool.capture.frame_rate
)
elif hasattr(g_pool.capture._recent_frame, "h264_buffer"):
g_pool.writer = H264Writer(
video_path,
g_pool.capture.frame_size[0],
g_pool.capture.frame_size[1],
g_pool.capture.frame_rate,
)
else:
g_pool.writer = AV_Writer(
video_path, g_pool.capture.frame_rate
)
elif subject == "recording.stopped":
if g_pool.writer:
logger.info("Done recording.")
try:
g_pool.writer.release()
except RuntimeError:
logger.error("No eye video recorded")
g_pool.writer = None
elif subject.startswith("meta.should_doc"):
ipc_socket.notify(
{
"subject": "meta.doc",
"actor": "eye{}".format(eye_id),
"doc": eye.__doc__,
}
)
elif subject.startswith("frame_publishing.started"):
should_publish_frames = True
frame_publish_format = notification.get("format", "jpeg")
elif subject.startswith("frame_publishing.stopped"):
should_publish_frames = False
frame_publish_format = "jpeg"
elif (
subject.startswith("start_eye_capture")
and notification["target"] == g_pool.process
):
replace_source(notification["name"], notification["args"])
elif notification["subject"].startswith("pupil_detector.set_property"):
target_process = notification.get("target", g_pool.process)
should_apply = target_process == g_pool.process
if should_apply:
try:
property_name = notification["name"]
property_value = notification["value"]
if "2d" in notification["subject"]:
g_pool.pupil_detector.set_2d_detector_property(
property_name, property_value
)
elif "3d" in notification["subject"]:
if not isinstance(g_pool.pupil_detector, Detector_3D):
raise ValueError(
"3d properties are only available"
" if 3d detector is active"
)
g_pool.pupil_detector.set_3d_detector_property(
property_name, property_value
)
else:
raise KeyError(
"Notification subject does not "
"specifiy detector type."
)
logger.debug(
"`{}` property set to {}".format(
property_name, property_value
)
)
except KeyError:
logger.error("Malformed notification received")
logger.debug(traceback.format_exc())
except (ValueError, TypeError):
logger.error("Invalid property or value")
logger.debug(traceback.format_exc())
elif notification["subject"].startswith(
"pupil_detector.broadcast_properties"
):
target_process = notification.get("target", g_pool.process)
should_respond = target_process == g_pool.process
if should_respond:
props = g_pool.pupil_detector.get_detector_properties()
properties_broadcast = {
"subject": "pupil_detector.properties.{}".format(eye_id),
**props, # add properties to broadcast
}
ipc_socket.notify(properties_broadcast)
g_pool.capture.on_notify(notification)
g_pool.capture_manager.on_notify(notification)
# Get an image from the grabber
event = {}
g_pool.capture.recent_events(event)
frame = event.get("frame")
g_pool.capture_manager.recent_events(event)
if frame:
f_width, f_height = g_pool.capture.frame_size
if (g_pool.u_r.array_shape[0], g_pool.u_r.array_shape[1]) != (
f_height,
f_width,
):
g_pool.pupil_detector.on_resolution_change(
(g_pool.u_r.array_shape[1], g_pool.u_r.array_shape[0]),
g_pool.capture.frame_size,
)
g_pool.u_r = UIRoi((f_height, f_width))
if should_publish_frames:
try:
if frame_publish_format == "jpeg":
data = frame.jpeg_buffer
elif frame_publish_format == "yuv":
data = frame.yuv_buffer
elif frame_publish_format == "bgr":
data = frame.bgr
elif frame_publish_format == "gray":
data = frame.gray
assert data is not None
except (AttributeError, AssertionError, NameError):
if not frame_publish_format_recent_warning:
frame_publish_format_recent_warning = True
logger.warning(
'{}s are not compatible with format "{}"'.format(
type(frame), frame_publish_format
)
)
else:
frame_publish_format_recent_warning = False
pupil_socket.send(
{
"topic": "frame.eye.{}".format(eye_id),
"width": frame.width,
"height": frame.height,
"index": frame.index,
"timestamp": frame.timestamp,
"format": frame_publish_format,
"__raw_data__": [data],
}
)
t = frame.timestamp
dt, ts = t - ts, t
try:
fps_graph.add(1.0 / dt)
except ZeroDivisionError:
pass
if g_pool.writer:
g_pool.writer.write_video_frame(frame)
# pupil ellipse detection
result = g_pool.pupil_detector.detect(
frame, g_pool.u_r, g_pool.display_mode == "algorithm"
)
if result is not None:
result["id"] = eye_id
result["topic"] = "pupil.{}".format(eye_id)
pupil_socket.send(result)
cpu_graph.update()
# GL drawing
if window_should_update():
if is_window_visible(main_window):
glfw.glfwMakeContextCurrent(main_window)
clear_gl_screen()
if frame:
# switch to work in normalized coordinate space
if g_pool.display_mode == "algorithm":
g_pool.image_tex.update_from_ndarray(frame.img)
elif g_pool.display_mode in ("camera_image", "roi"):
g_pool.image_tex.update_from_ndarray(frame.gray)
else:
pass
glViewport(0, 0, *camera_render_size)
make_coord_system_norm_based(g_pool.flip)
g_pool.image_tex.draw()
f_width, f_height = g_pool.capture.frame_size
make_coord_system_pixel_based((f_height, f_width, 3), g_pool.flip)
if frame and result:
if result["method"] == "3d c++":
eye_ball = result["projected_sphere"]
try:
pts = cv2.ellipse2Poly(
(
int(eye_ball["center"][0]),
int(eye_ball["center"][1]),
),
(
int(eye_ball["axes"][0] / 2),
int(eye_ball["axes"][1] / 2),
),
int(eye_ball["angle"]),
0,
360,
8,
)
except ValueError as e:
pass
else:
draw_polyline(
pts,
2,
RGBA(0.0, 0.9, 0.1, result["model_confidence"]),
)
if result["confidence"] > 0:
if "ellipse" in result:
pts = cv2.ellipse2Poly(
(
int(result["ellipse"]["center"][0]),
int(result["ellipse"]["center"][1]),
),
(
int(result["ellipse"]["axes"][0] / 2),
int(result["ellipse"]["axes"][1] / 2),
),
int(result["ellipse"]["angle"]),
0,
360,
15,
)
confidence = result["confidence"] * 0.7
draw_polyline(pts, 1, RGBA(1.0, 0, 0, confidence))
draw_points(
[result["ellipse"]["center"]],
size=20,
color=RGBA(1.0, 0.0, 0.0, confidence),
sharpness=1.0,
)
glViewport(0, 0, *camera_render_size)
make_coord_system_pixel_based((f_height, f_width, 3), g_pool.flip)
# render the ROI
g_pool.u_r.draw(g_pool.gui.scale)
if g_pool.display_mode == "roi":
g_pool.u_r.draw_points(g_pool.gui.scale)
glViewport(0, 0, *window_size)
make_coord_system_pixel_based((*window_size[::-1], 3), g_pool.flip)
# render graphs
fps_graph.draw()
cpu_graph.draw()
# render GUI
unused_elements = g_pool.gui.update()
for butt in unused_elements.buttons:
uroi_on_mouse_button(*butt)
make_coord_system_pixel_based((*window_size[::-1], 3), g_pool.flip)
g_pool.pupil_detector.visualize() # detector decides if we visualize or not
# update screen
glfw.glfwSwapBuffers(main_window)
glfw.glfwPollEvents()
# END while running
# in case eye recording was still runnnig: Save&close
if g_pool.writer:
logger.info("Done recording eye.")
g_pool.writer = None
glfw.glfwRestoreWindow(main_window) # need to do this for windows os
# save session persistent settings
session_settings["gui_scale"] = g_pool.gui_user_scale
session_settings["roi"] = g_pool.u_r.get()
session_settings["flip"] = g_pool.flip
session_settings["display_mode"] = g_pool.display_mode
session_settings["ui_config"] = g_pool.gui.configuration
session_settings["capture_settings"] = (
g_pool.capture.class_name,
g_pool.capture.get_init_dict(),
)
session_settings["capture_manager_settings"] = (
g_pool.capture_manager.class_name,
g_pool.capture_manager.get_init_dict(),
)
session_settings["window_position"] = glfw.glfwGetWindowPos(main_window)
session_settings["version"] = str(g_pool.version)
session_settings[
"last_pupil_detector"
] = g_pool.pupil_detector.__class__.__name__
session_settings[
"pupil_detector_settings"
] = g_pool.pupil_detector.get_settings()
session_window_size = glfw.glfwGetWindowSize(main_window)
if 0 not in session_window_size:
session_settings["window_size"] = session_window_size
session_settings.close()
g_pool.capture.deinit_ui()
g_pool.capture_manager.deinit_ui()
g_pool.pupil_detector.deinit_ui()
g_pool.pupil_detector.cleanup()
g_pool.capture_manager.cleanup()
g_pool.capture.cleanup()
glfw.glfwDestroyWindow(main_window)
g_pool.gui.terminate()
glfw.glfwTerminate()
logger.info("Process shutting down.")
def world(timebase, eyes_are_alive, ipc_pub_url, ipc_sub_url, ipc_push_url,
user_dir, version):
"""Reads world video and runs plugins.
Creates a window, gl context.
Grabs images from a capture.
Maps pupil to gaze data
Can run various plug-ins.
Reacts to notifications:
``set_detection_mapping_mode``
``eye_process.started``
``start_plugin``
Emits notifications:
``eye_process.should_start``
``eye_process.should_stop``
``set_detection_mapping_mode``
``world_process.started``
``world_process.stopped``
``recording.should_stop``: Emits on camera failure
``launcher_process.should_stop``
Emits data:
``gaze``: Gaze data from current gaze mapping plugin.``
``*``: any other plugin generated data in the events that it not [dt,pupil,gaze].
"""
# We defer the imports because of multiprocessing.
# Otherwise the world process each process also loads the other imports.
# This is not harmful but unnecessary.
#general imports
from time import time, sleep
import numpy as np
import logging
#networking
import zmq
import zmq_tools
#zmq ipc setup
zmq_ctx = zmq.Context()
ipc_pub = zmq_tools.Msg_Dispatcher(zmq_ctx, ipc_push_url)
gaze_pub = zmq_tools.Msg_Streamer(zmq_ctx, ipc_pub_url)
pupil_sub = zmq_tools.Msg_Receiver(zmq_ctx,
ipc_sub_url,
topics=('pupil', ))
notify_sub = zmq_tools.Msg_Receiver(zmq_ctx,
ipc_sub_url,
topics=('notify', ))
#log setup
logging.getLogger("OpenGL").setLevel(logging.ERROR)
logger = logging.getLogger()
logger.handlers = []
logger.addHandler(zmq_tools.ZMQ_handler(zmq_ctx, ipc_push_url))
# create logger for the context of this function
logger = logging.getLogger(__name__)
#display
import glfw
from pyglui import ui, graph, cygl, __version__ as pyglui_version
assert pyglui_version >= '1.0'
from pyglui.cygl.utils import Named_Texture
from gl_utils import basic_gl_setup, adjust_gl_view, clear_gl_screen, make_coord_system_pixel_based, make_coord_system_norm_based, glFlush, is_window_visible
#monitoring
import psutil
# helpers/utils
from version_utils import VersionFormat
from file_methods import Persistent_Dict
from methods import normalize, denormalize, delta_t, get_system_info
from uvc import get_time_monotonic
logger.info('Application Version: %s' % version)
logger.info('System Info: %s' % get_system_info())
# video sources
from video_capture import InitialisationError, StreamError, Fake_Source, EndofVideoFileError, source_classes, manager_classes
source_by_name = {src.class_name(): src for src in source_classes}
import audio
#trigger pupil detector cpp build:
import pupil_detectors
del pupil_detectors
# Plug-ins
from plugin import Plugin, Plugin_List, import_runtime_plugins
from calibration_routines import calibration_plugins, gaze_mapping_plugins
from fixation_detector import Fixation_Detector_3D
from recorder import Recorder
from show_calibration import Show_Calibration
from display_recent_gaze import Display_Recent_Gaze
from time_sync import Time_Sync
from pupil_remote import Pupil_Remote
from pupil_groups import Pupil_Groups
from surface_tracker import Surface_Tracker
from log_display import Log_Display
from annotations import Annotation_Capture
from log_history import Log_History
from frame_publisher import Frame_Publisher
#UI Platform tweaks
if platform.system() == 'Linux':
scroll_factor = 10.0
window_position_default = (0, 0)
elif platform.system() == 'Windows':
scroll_factor = 1.0
window_position_default = (8, 31)
else:
scroll_factor = 1.0
window_position_default = (0, 0)
#g_pool holds variables for this process they are accesible to all plugins
g_pool = Global_Container()
g_pool.app = 'capture'
g_pool.user_dir = user_dir
g_pool.version = version
g_pool.timebase = timebase
g_pool.zmq_ctx = zmq_ctx
g_pool.ipc_pub = ipc_pub
g_pool.ipc_pub_url = ipc_pub_url
g_pool.ipc_sub_url = ipc_sub_url
g_pool.ipc_push_url = ipc_push_url
g_pool.eyes_are_alive = eyes_are_alive
def get_timestamp():
return get_time_monotonic() - g_pool.timebase.value
g_pool.get_timestamp = get_timestamp
g_pool.get_now = get_time_monotonic
#manage plugins
runtime_plugins = import_runtime_plugins(
os.path.join(g_pool.user_dir, 'plugins'))
user_launchable_plugins = [
Pupil_Groups, Frame_Publisher, Show_Calibration, Pupil_Remote,
Time_Sync, Surface_Tracker, Annotation_Capture, Log_History,
Fixation_Detector_3D
] + runtime_plugins
system_plugins = [Log_Display, Display_Recent_Gaze, Recorder]
plugin_by_index = system_plugins + user_launchable_plugins + calibration_plugins + gaze_mapping_plugins + manager_classes
name_by_index = [p.__name__ for p in plugin_by_index]
plugin_by_name = dict(zip(name_by_index, plugin_by_index))
default_plugins = [('UVC_Manager', {}), ('Log_Display', {}),
('Dummy_Gaze_Mapper', {}), ('Display_Recent_Gaze', {}),
('Screen_Marker_Calibration', {}), ('Recorder', {}),
('Pupil_Remote', {}), ('Fixation_Detector_3D', {})]
# Callback functions
def on_resize(window, w, h):
if is_window_visible(window):
g_pool.gui.update_window(w, h)
g_pool.gui.collect_menus()
graph.adjust_size(w, h)
adjust_gl_view(w, h)
for p in g_pool.plugins:
p.on_window_resize(window, w, h)
def on_iconify(window, iconified):
g_pool.iconified = iconified
def on_key(window, key, scancode, action, mods):
g_pool.gui.update_key(key, scancode, action, mods)
def on_char(window, char):
g_pool.gui.update_char(char)
def on_button(window, button, action, mods):
g_pool.gui.update_button(button, action, mods)
pos = glfw.glfwGetCursorPos(window)
pos = normalize(pos, glfw.glfwGetWindowSize(main_window))
pos = denormalize(
pos,
(frame.img.shape[1], frame.img.shape[0])) # Position in img pixels
for p in g_pool.plugins:
p.on_click(pos, button, action)
def on_pos(window, x, y):
hdpi_factor = float(
glfw.glfwGetFramebufferSize(window)[0] /
glfw.glfwGetWindowSize(window)[0])
x, y = x * hdpi_factor, y * hdpi_factor
g_pool.gui.update_mouse(x, y)
def on_scroll(window, x, y):
g_pool.gui.update_scroll(x, y * scroll_factor)
tick = delta_t()
def get_dt():
return next(tick)
g_pool.on_frame_size_change = lambda new_size: None
# load session persistent settings
session_settings = Persistent_Dict(
os.path.join(g_pool.user_dir, 'user_settings_world'))
if session_settings.get("version", VersionFormat('0.0')) < g_pool.version:
logger.info(
"Session setting are from older version of this app. I will not use those."
)
session_settings.clear()
# Initialize capture
default_settings = {
'source_class_name':
'UVC_Source',
'preferred_names': [
"Pupil Cam1 ID2", "Logitech Camera", "(046d:081d)", "C510", "B525",
"C525", "C615", "C920", "C930e"
],
'frame_size': (1280, 720),
'frame_rate':
30
}
settings = session_settings.get('capture_settings', default_settings)
try:
cap = source_by_name[settings['source_class_name']](g_pool, **settings)
except (KeyError, InitialisationError) as e:
if isinstance(e, KeyError):
logger.warning(
'Incompatible capture setting encountered. Falling back to fake source.'
)
cap = Fake_Source(g_pool, **settings)
g_pool.iconified = False
g_pool.detection_mapping_mode = session_settings.get(
'detection_mapping_mode', '3d')
g_pool.active_calibration_plugin = None
g_pool.active_gaze_mapping_plugin = None
g_pool.capture = cap
g_pool.capture_manager = None
audio.audio_mode = session_settings.get('audio_mode',
audio.default_audio_mode)
def open_plugin(plugin):
if plugin == "Select to load":
return
g_pool.plugins.add(plugin)
def set_scale(new_scale):
g_pool.gui.scale = new_scale
g_pool.gui.collect_menus()
def launch_eye_process(eye_id, delay=0):
n = {
'subject': 'eye_process.should_start.%s' % eye_id,
'eye_id': eye_id,
'delay': delay
}
ipc_pub.notify(n)
def stop_eye_process(eye_id):
n = {'subject': 'eye_process.should_stop', 'eye_id': eye_id}
ipc_pub.notify(n)
def start_stop_eye(eye_id, make_alive):
if make_alive:
launch_eye_process(eye_id)
else:
stop_eye_process(eye_id)
def set_detection_mapping_mode(new_mode):
n = {'subject': 'set_detection_mapping_mode', 'mode': new_mode}
ipc_pub.notify(n)
def handle_notifications(n):
subject = n['subject']
if subject == 'set_detection_mapping_mode':
if n['mode'] == '2d':
if "Vector_Gaze_Mapper" in g_pool.active_gaze_mapping_plugin.class_name:
logger.warning(
"The gaze mapper is not supported in 2d mode. Please recalibrate."
)
g_pool.plugins.add(plugin_by_name['Dummy_Gaze_Mapper'])
g_pool.detection_mapping_mode = n['mode']
elif subject == 'start_plugin':
g_pool.plugins.add(plugin_by_name[n['name']],
args=n.get('args', {}))
elif subject == 'eye_process.started':
n = {
'subject': 'set_detection_mapping_mode',
'mode': g_pool.detection_mapping_mode
}
ipc_pub.notify(n)
elif subject.startswith('meta.should_doc'):
ipc_pub.notify({
'subject': 'meta.doc',
'actor': g_pool.app,
'doc': world.__doc__
})
for p in g_pool.plugins:
if p.on_notify.__doc__ and p.__class__.on_notify != Plugin.on_notify:
ipc_pub.notify({
'subject': 'meta.doc',
'actor': p.class_name,
'doc': p.on_notify.__doc__
})
#window and gl setup
glfw.glfwInit()
width, height = session_settings.get('window_size', cap.frame_size)
main_window = glfw.glfwCreateWindow(width, height, "World")
window_pos = session_settings.get('window_position',
window_position_default)
glfw.glfwSetWindowPos(main_window, window_pos[0], window_pos[1])
glfw.glfwMakeContextCurrent(main_window)
cygl.utils.init()
g_pool.main_window = main_window
#setup GUI
g_pool.gui = ui.UI()
g_pool.gui.scale = session_settings.get('gui_scale', 1)
g_pool.sidebar = ui.Scrolling_Menu("Settings",
pos=(-350, 0),
size=(0, 0),
header_pos='left')
general_settings = ui.Growing_Menu('General')
general_settings.append(
ui.Slider('scale',
g_pool.gui,
setter=set_scale,
step=.05,
min=1.,
max=2.5,
label='Interface size'))
general_settings.append(
ui.Button(
'Reset window size', lambda: glfw.glfwSetWindowSize(
main_window, frame.width, frame.height)))
general_settings.append(
ui.Selector('audio_mode', audio, selection=audio.audio_modes))
general_settings.append(
ui.Selector('detection_mapping_mode',
g_pool,
label='detection & mapping mode',
setter=set_detection_mapping_mode,
selection=['2d', '3d']))
general_settings.append(
ui.Switch('eye0_process',
label='Detect eye 0',
setter=lambda alive: start_stop_eye(0, alive),
getter=lambda: eyes_are_alive[0].value))
general_settings.append(
ui.Switch('eye1_process',
label='Detect eye 1',
setter=lambda alive: start_stop_eye(1, alive),
getter=lambda: eyes_are_alive[1].value))
selector_label = "Select to load"
labels = [p.__name__.replace('_', ' ') for p in user_launchable_plugins]
user_launchable_plugins.insert(0, selector_label)
labels.insert(0, selector_label)
general_settings.append(
ui.Selector('Open plugin',
selection=user_launchable_plugins,
labels=labels,
setter=open_plugin,
getter=lambda: selector_label))
general_settings.append(
ui.Info_Text('Capture Version: %s' % g_pool.version))
g_pool.quickbar = ui.Stretching_Menu('Quick Bar', (0, 100), (120, -100))
g_pool.capture_source_menu = ui.Growing_Menu('Capture Source')
g_pool.capture.init_gui()
g_pool.calibration_menu = ui.Growing_Menu('Calibration')
g_pool.capture_selector_menu = ui.Growing_Menu('Capture Selection')
g_pool.sidebar.append(general_settings)
g_pool.sidebar.append(g_pool.capture_selector_menu)
g_pool.sidebar.append(g_pool.capture_source_menu)
g_pool.sidebar.append(g_pool.calibration_menu)
g_pool.gui.append(g_pool.sidebar)
g_pool.gui.append(g_pool.quickbar)
#plugins that are loaded based on user settings from previous session
g_pool.plugins = Plugin_List(
g_pool, plugin_by_name,
session_settings.get('loaded_plugins', default_plugins))
#We add the calibration menu selector, after a calibration has been added:
g_pool.calibration_menu.insert(
0,
ui.Selector(
'active_calibration_plugin',
getter=lambda: g_pool.active_calibration_plugin.__class__,
selection=calibration_plugins,
labels=[p.__name__.replace('_', ' ') for p in calibration_plugins],
setter=open_plugin,
label='Method'))
#We add the capture selection menu, after a manager has been added:
g_pool.capture_selector_menu.insert(
0,
ui.Selector('capture_manager',
setter=open_plugin,
getter=lambda: g_pool.capture_manager.__class__,
selection=manager_classes,
labels=[b.gui_name for b in manager_classes],
label='Manager'))
# Register callbacks main_window
glfw.glfwSetFramebufferSizeCallback(main_window, on_resize)
glfw.glfwSetWindowIconifyCallback(main_window, on_iconify)
glfw.glfwSetKeyCallback(main_window, on_key)
glfw.glfwSetCharCallback(main_window, on_char)
glfw.glfwSetMouseButtonCallback(main_window, on_button)
glfw.glfwSetCursorPosCallback(main_window, on_pos)
glfw.glfwSetScrollCallback(main_window, on_scroll)
# gl_state settings
basic_gl_setup()
g_pool.image_tex = Named_Texture()
# refresh speed settings
glfw.glfwSwapInterval(0)
#trigger setup of window and gl sizes
on_resize(main_window, *glfw.glfwGetFramebufferSize(main_window))
#now the we have aproper window we can load the last gui configuration
g_pool.gui.configuration = session_settings.get('ui_config', {})
#set up performace graphs:
pid = os.getpid()
ps = psutil.Process(pid)
ts = g_pool.get_timestamp()
cpu_graph = graph.Bar_Graph()
cpu_graph.pos = (20, 130)
cpu_graph.update_fn = ps.cpu_percent
cpu_graph.update_rate = 5
cpu_graph.label = 'CPU %0.1f'
fps_graph = graph.Bar_Graph()
fps_graph.pos = (140, 130)
fps_graph.update_rate = 5
fps_graph.label = "%0.0f FPS"
pupil0_graph = graph.Bar_Graph(max_val=1.0)
pupil0_graph.pos = (260, 130)
pupil0_graph.update_rate = 5
pupil0_graph.label = "id0 conf: %0.2f"
pupil1_graph = graph.Bar_Graph(max_val=1.0)
pupil1_graph.pos = (380, 130)
pupil1_graph.update_rate = 5
pupil1_graph.label = "id1 conf: %0.2f"
pupil_graphs = pupil0_graph, pupil1_graph
if session_settings.get('eye1_process_alive', False):
launch_eye_process(1, delay=0.6)
if session_settings.get('eye0_process_alive', True):
launch_eye_process(0, delay=0.3)
ipc_pub.notify({'subject': 'world_process.started'})
logger.warning('Process started.')
# Event loop
while not glfw.glfwWindowShouldClose(main_window):
# fetch newest notifications
new_notifications = []
while notify_sub.new_data:
t, n = notify_sub.recv()
new_notifications.append(n)
# notify each plugin if there are new notifications:
for n in new_notifications:
handle_notifications(n)
g_pool.capture.on_notify(n)
for p in g_pool.plugins:
p.on_notify(n)
# Get an image from the grabber
try:
frame = g_pool.capture.get_frame()
except StreamError as e:
prev_settings = g_pool.capture.settings
g_pool.capture.deinit_gui()
g_pool.capture.cleanup()
g_pool.capture = None
prev_settings[
'info_text'] = "'%s' disconnected." % prev_settings['name']
g_pool.capture = Fake_Source(g_pool, **prev_settings)
g_pool.capture.init_gui()
ipc_pub.notify({'subject': 'recording.should_stop'})
logger.error("Error getting frame. Falling back to Fake source.")
logger.debug("Caught error: %s" % e)
sleep(.2)
continue
except EndofVideoFileError:
logger.warning("Video file is done. Rewinding")
g_pool.capture.seek_to_frame(0)
continue
#update performace graphs
t = frame.timestamp
dt, ts = t - ts, t
try:
fps_graph.add(1. / dt)
except ZeroDivisionError:
pass
cpu_graph.update()
#a dictionary that allows plugins to post and read events
events = {}
#report time between now and the last loop interation
events['dt'] = get_dt()
recent_pupil_data = []
recent_gaze_data = []
while pupil_sub.new_data:
t, p = pupil_sub.recv()
pupil_graphs[p['id']].add(p['confidence'])
recent_pupil_data.append(p)
new_gaze_data = g_pool.active_gaze_mapping_plugin.on_pupil_datum(p)
for g in new_gaze_data:
gaze_pub.send('gaze', g)
recent_gaze_data += new_gaze_data
events['pupil_positions'] = recent_pupil_data
events['gaze_positions'] = recent_gaze_data
# allow each Plugin to do its work.
for p in g_pool.plugins:
p.update(frame, events)
#check if a plugin need to be destroyed
g_pool.plugins.clean()
#send new events to ipc:
del events['pupil_positions'] #already on the wire
del events['gaze_positions'] #send earlier in this loop
del events['dt'] #no need to send this
for topic, data in events.iteritems():
assert (isinstance(data, (list, tuple)))
for d in data:
ipc_pub.send(topic, d)
# render camera image
glfw.glfwMakeContextCurrent(main_window)
if is_window_visible(main_window):
g_pool.image_tex.update_from_frame(frame)
glFlush()
make_coord_system_norm_based()
g_pool.image_tex.draw()
make_coord_system_pixel_based((frame.height, frame.width, 3))
# render visual feedback from loaded plugins
if is_window_visible(main_window):
g_pool.capture.gl_display()
for p in g_pool.plugins:
p.gl_display()
graph.push_view()
fps_graph.draw()
cpu_graph.draw()
pupil0_graph.draw()
pupil1_graph.draw()
graph.pop_view()
g_pool.gui.update()
glfw.glfwSwapBuffers(main_window)
glfw.glfwPollEvents()
glfw.glfwRestoreWindow(main_window) #need to do this for windows os
session_settings['loaded_plugins'] = g_pool.plugins.get_initializers()
session_settings['gui_scale'] = g_pool.gui.scale
session_settings['ui_config'] = g_pool.gui.configuration
session_settings['capture_settings'] = g_pool.capture.settings
session_settings['window_size'] = glfw.glfwGetWindowSize(main_window)
session_settings['window_position'] = glfw.glfwGetWindowPos(main_window)
session_settings['version'] = g_pool.version
session_settings['eye0_process_alive'] = eyes_are_alive[0].value
session_settings['eye1_process_alive'] = eyes_are_alive[1].value
session_settings['detection_mapping_mode'] = g_pool.detection_mapping_mode
session_settings['audio_mode'] = audio.audio_mode
session_settings.close()
# de-init all running plugins
for p in g_pool.plugins:
p.alive = False
g_pool.plugins.clean()
g_pool.gui.terminate()
glfw.glfwDestroyWindow(main_window)
glfw.glfwTerminate()
g_pool.capture.deinit_gui()
g_pool.capture.cleanup()
#shut down eye processes:
stop_eye_process(0)
stop_eye_process(1)
logger.info("Process shutting down.")
ipc_pub.notify({'subject': 'world_process.stopped'})
#shut down launcher
n = {'subject': 'launcher_process.should_stop'}
ipc_pub.notify(n)
zmq_ctx.destroy()
def gl_display_in_window(self):
try:
active_window = glfwGetCurrentContext()
if glfwWindowShouldClose(self._window):
self.close_window()
return
# make plugin window current context and clear the screen
glfwMakeContextCurrent(self._window)
clear_gl_screen()
gl.glMatrixMode(gl.GL_PROJECTION)
gl.glLoadIdentity()
p_window_size = glfwGetFramebufferSize(self._window)
gl.glOrtho(0, p_window_size[0], p_window_size[1], 0, -1, 1)
# Switch back to Model View Matrix
gl.glMatrixMode(gl.GL_MODELVIEW)
gl.glLoadIdentity()
# draw markers using the previously generated ndarrays and Named_Texture objects
# (see https://github.com/pupil-labs/pyglui/blob/master/pyglui/cygl/utils.pyx for details)
m1 = Named_Texture()
m1.update_from_ndarray(self.marker1)
m1.draw(True, ((10.0, self.m_size), (self.m_size, self.m_size), (self.m_size, 10.0), (10.0, 10.0)), 10.0)
m2 = Named_Texture()
m2.update_from_ndarray(self.marker2)
m2.draw(True, ((p_window_size[0]-self.m_size, self.m_size), (p_window_size[0]-10.0, self.m_size), (p_window_size[0]-10.0, 10.0), (p_window_size[0]-self.m_size, 10.0)), 10.0)
m3 = Named_Texture()
m3.update_from_ndarray(self.marker3)
m3.draw(True, ((10.0, p_window_size[1]-10.0), (self.m_size, p_window_size[1]-10.0), (self.m_size, p_window_size[1]-self.m_size), (10.0, p_window_size[1]-self.m_size)), 10.0)
m4 = Named_Texture()
m4.update_from_ndarray(self.marker4)
m4.draw(True, ((p_window_size[0]-self.m_size, p_window_size[1]-10.0), (p_window_size[0]-10.0, p_window_size[1]-10.0), (p_window_size[0]-10.0, p_window_size[1]-self.m_size), (p_window_size[0]-self.m_size, p_window_size[1]-self.m_size)), 10.0)
# swap buffer
glfwSwapBuffers(self._window)
glfwMakeContextCurrent(active_window)
except:
logger.error("Unexpected error: {}".format(sys.exc_info()))