def nbp_pupildetect(eye_id=None,
folder=None,
pupildetect_options=None,
detector_type='2d'):
from functions.pl_surface import fake_gpool_surface
from ui_roi import UIRoi
#options = {"pupil_size_min":10,'pupil_size_max':150}
logger = logging.getLogger(__name__)
logger.info("Redetecting Pupil")
logger.info("Starting Playback Device")
cap = init_playback(video_name='eye' + str(eye_id) + '.mp4',
video_file_path=folder)
logger.info("Detector_type:" + detector_type)
#result = detector.detect(frame, UIRoi([frame.height,frame.width]), 0)
if detector_type == '2d':
detector = pupil_detectors.Detector_2D()
elif detector_type == '3d':
detector = pupil_detectors.Detector_3D()
else:
print("unknown detector type:" + detector_type)
raise ('unknown detectortype')
if pupildetect_options:
# XXX to be implemented after looking at what these parameters do.........
for key in options.keys():
assert key in detector.detectProperties.keys()
logger.info("Starting detection of eye" + str(eye_id))
results = []
for k in range(cap.get_frame_count()):
cap.seek_to_frame(k)
frame = cap.get_frame()
result = detector.detect(frame, UIRoi([frame.height, frame.width]), 0)
if result is not None:
result['id'] = eye_id
results.append(result)
return (results)
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 on_frame_size_change(new_size):
g_pool.u_r = UIRoi((new_size[1], new_size[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 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 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 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
#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 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.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 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(glfw.glfwGetFramebufferSize(window)[0]/glfw.glfwGetWindowSize(window)[0])
g_pool.gui.update_mouse(x*hdpi_factor,y*hdpi_factor)
if 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) )
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)
# 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':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
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.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
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():
command = pipe_to_world.recv()
if command == 'Exit':
break
elif command == "Ping":
pipe_to_world.send("Pong")
command = None
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")
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 command:
if 'Rec_Start:' in command:
record_path,raw_mode = 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 = []
elif 'Rec_Stop:' in 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 = 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:
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('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)
draw_polyline(pts,1,RGBA(1.,0,0,.5))
draw_points([result['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':
u_r.draw(g_pool.gui.scale)
#update screen
glfw.glfwSwapBuffers(main_window)
glfw.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))
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'] = 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.close()
pupil_detector.cleanup()
g_pool.gui.terminate()
glfw.glfwDestroyWindow(main_window)
glfw.glfwTerminate()
cap.close()
logger.debug("Process done")
