def gl_display(self):
# Temporary copy of Base_Source.gl_display until proper frame class hierarchy
# is implemented
if self._recent_frame is not None:
frame = self._recent_frame
if (
# `frame.yuv_subsampling` is `None` without calling `frame.yuv_buffer`
frame.yuv_buffer is not None
and TJSAMP(frame.yuv_subsampling) == TJSAMP.TJSAMP_422
# TODO: Find a better solution than this:
and
getattr(self.g_pool, "display_mode", "") != "algorithm"):
self.g_pool.image_tex.update_from_yuv_buffer(
frame.yuv_buffer, frame.width, frame.height)
else:
self.g_pool.image_tex.update_from_ndarray(frame.bgr)
gl_utils.glFlush()
should_flip = getattr(self.g_pool, "flip", False)
gl_utils.make_coord_system_norm_based(flip=should_flip)
self.g_pool.image_tex.draw()
if not self.online:
cygl.utils.draw_gl_texture(np.zeros((1, 1, 3), dtype=np.uint8),
alpha=0.4)
gl_utils.make_coord_system_pixel_based(
(self.frame_size[1], self.frame_size[0], 3), flip=should_flip)
def gl_display(self):
if self._recent_frame is not None:
self.g_pool.image_tex.update_from_frame(self._recent_frame)
gl_utils.glFlush()
gl_utils.make_coord_system_norm_based()
self.g_pool.image_tex.draw()
if not self.online:
cygl.utils.draw_gl_texture(np.zeros((1, 1, 3), dtype=np.uint8), alpha=0.4)
gl_utils.make_coord_system_pixel_based((self.frame_size[1], self.frame_size[0], 3))
def gl_display(self):
if self.preview_depth and self._recent_depth_frame is not None:
self.g_pool.image_tex.update_from_ndarray(self._recent_depth_frame.bgr)
gl_utils.glFlush()
elif not self.preview_depth and self._recent_frame is not None:
self.g_pool.image_tex.update_from_yuv_buffer(self._recent_frame.yuv_buffer,self._recent_frame.width,self._recent_frame.height)
gl_utils.glFlush()
gl_utils.make_coord_system_norm_based()
self.g_pool.image_tex.draw()
if not self.online:
cygl.utils.draw_gl_texture(np.zeros((1, 1, 3), dtype=np.uint8), alpha=0.4)
gl_utils.make_coord_system_pixel_based((self.frame_size[1], self.frame_size[0], 3))
def gl_display(self):
if self._recent_frame is not None:
frame = self._recent_frame
if frame.yuv_buffer is not None:
self.g_pool.image_tex.update_from_yuv_buffer(
frame.yuv_buffer, frame.width, frame.height
)
else:
self.g_pool.image_tex.update_from_ndarray(frame.bgr)
gl_utils.glFlush()
gl_utils.make_coord_system_norm_based()
self.g_pool.image_tex.draw()
if not self.online:
cygl.utils.draw_gl_texture(np.zeros((1, 1, 3), dtype=np.uint8), alpha=0.4)
gl_utils.make_coord_system_pixel_based(
(self.frame_size[1], self.frame_size[0], 3)
)
def gl_display(self):
# Temporary copy of Base_Source.gl_display until proper frame class hierarchy
# is implemented
if self._recent_frame is not None:
frame = self._recent_frame
if False:
print(frame.yuv_buffer)
self.g_pool.image_tex.update_from_yuv_buffer(
frame.yuv_buffer[0], frame.width, frame.height)
else:
self.g_pool.image_tex.update_from_ndarray(frame.bgr)
gl_utils.glFlush()
gl_utils.make_coord_system_norm_based()
self.g_pool.image_tex.draw()
if not self.online:
cygl.utils.draw_gl_texture(np.zeros((1, 1, 3), dtype=np.uint8),
alpha=0.4)
gl_utils.make_coord_system_pixel_based(
(self.frame_size[1], self.frame_size[0], 3))
def gl_display(self):
if self._recent_frame is not None:
frame = self._recent_frame
if (frame.yuv_buffer is not None
# TODO: Find a better solution than this:
and
getattr(self.g_pool, "display_mode", "") != "algorithm"):
self.g_pool.image_tex.update_from_yuv_buffer(
frame.yuv_buffer, frame.width, frame.height)
else:
self.g_pool.image_tex.update_from_ndarray(frame.bgr)
gl_utils.glFlush()
should_flip = getattr(self.g_pool, "flip", False)
gl_utils.make_coord_system_norm_based(flip=should_flip)
self.g_pool.image_tex.draw()
if not self.online:
cygl.utils.draw_gl_texture(np.zeros((1, 1, 3), dtype=np.uint8),
alpha=0.4)
gl_utils.make_coord_system_pixel_based(
(self.frame_size[1], self.frame_size[0], 3), flip=should_flip)
def gl_display(self):
if self.online:
if self.preview_depth and self.recent_depth_frame is not None:
self.g_pool.image_tex.update_from_ndarray(
self.recent_depth_frame.get_color_mapped(
self.hue_near, self.hue_far, self.dist_near,
self.dist_far, self.preview_true_depth))
elif self.recent_frame is not None:
self.g_pool.image_tex.update_from_ndarray(
self.recent_frame.img)
gl_utils.glFlush()
gl_utils.make_coord_system_norm_based()
self.g_pool.image_tex.draw(interpolation=False)
else:
super().gl_display()
if self.preview_depth:
gl_utils.adjust_gl_view(*self._camera_render_size)
self._render_color_bar()
gl_utils.make_coord_system_pixel_based(
(self.frame_size[1], self.frame_size[0], 3))
def gl_display(self):
if self.preview_depth and self._recent_depth_frame is not None:
self.g_pool.image_tex.update_from_ndarray(
self._recent_depth_frame.bgr)
gl_utils.glFlush()
gl_utils.make_coord_system_norm_based()
self.g_pool.image_tex.draw()
elif self._recent_frame is not None:
self.g_pool.image_tex.update_from_yuv_buffer(
self._recent_frame.yuv_buffer,
self._recent_frame.width,
self._recent_frame.height,
)
gl_utils.glFlush()
gl_utils.make_coord_system_norm_based()
self.g_pool.image_tex.draw()
if not self.online:
super().gl_display()
gl_utils.make_coord_system_pixel_based(
(self.frame_size[1], self.frame_size[0], 3))
def gl_display(self):
if self.preview_depth and self._recent_depth_frame is not None:
self.g_pool.image_tex.update_from_ndarray(self._recent_depth_frame.bgr)
gl_utils.glFlush()
gl_utils.make_coord_system_norm_based()
self.g_pool.image_tex.draw()
elif self._recent_frame is not None:
self.g_pool.image_tex.update_from_yuv_buffer(
self._recent_frame.yuv_buffer,
self._recent_frame.width,
self._recent_frame.height,
)
gl_utils.glFlush()
gl_utils.make_coord_system_norm_based()
self.g_pool.image_tex.draw()
if not self.online:
super().gl_display()
gl_utils.make_coord_system_pixel_based(
(self.frame_size[1], self.frame_size[0], 3)
)
def world(timebase, eyes_are_alive, ipc_pub_url, ipc_sub_url, ipc_push_url,
user_dir, version):
"""Reads world video and runs plugins.
Creates a window, gl context.
Grabs images from a capture.
Maps pupil to gaze data
Can run various plug-ins.
Reacts to notifications:
``set_detection_mapping_mode``
``eye_process.started``
``start_plugin``
Emits notifications:
``eye_process.should_start``
``eye_process.should_stop``
``set_detection_mapping_mode``
``world_process.started``
``world_process.stopped``
``recording.should_stop``: Emits on camera failure
``launcher_process.should_stop``
Emits data:
``gaze``: Gaze data from current gaze mapping plugin.``
``*``: any other plugin generated data in the events that it not [dt,pupil,gaze].
"""
# We defer the imports because of multiprocessing.
# Otherwise the world process each process also loads the other imports.
# This is not harmful but unnecessary.
#general imports
from time import time, sleep
import numpy as np
import logging
#networking
import zmq
import zmq_tools
#zmq ipc setup
zmq_ctx = zmq.Context()
ipc_pub = zmq_tools.Msg_Dispatcher(zmq_ctx, ipc_push_url)
gaze_pub = zmq_tools.Msg_Streamer(zmq_ctx, ipc_pub_url)
pupil_sub = zmq_tools.Msg_Receiver(zmq_ctx,
ipc_sub_url,
topics=('pupil', ))
notify_sub = zmq_tools.Msg_Receiver(zmq_ctx,
ipc_sub_url,
topics=('notify', ))
#log setup
logging.getLogger("OpenGL").setLevel(logging.ERROR)
logger = logging.getLogger()
logger.handlers = []
logger.addHandler(zmq_tools.ZMQ_handler(zmq_ctx, ipc_push_url))
# create logger for the context of this function
logger = logging.getLogger(__name__)
#display
import glfw
from pyglui import ui, graph, cygl, __version__ as pyglui_version
assert pyglui_version >= '1.0'
from pyglui.cygl.utils import Named_Texture
from gl_utils import basic_gl_setup, adjust_gl_view, clear_gl_screen, make_coord_system_pixel_based, make_coord_system_norm_based, glFlush, is_window_visible
#monitoring
import psutil
# helpers/utils
from version_utils import VersionFormat
from file_methods import Persistent_Dict
from methods import normalize, denormalize, delta_t, get_system_info
from uvc import get_time_monotonic
logger.info('Application Version: %s' % version)
logger.info('System Info: %s' % get_system_info())
# video sources
from video_capture import InitialisationError, StreamError, Fake_Source, EndofVideoFileError, source_classes, manager_classes
source_by_name = {src.class_name(): src for src in source_classes}
import audio
#trigger pupil detector cpp build:
import pupil_detectors
del pupil_detectors
# Plug-ins
from plugin import Plugin, Plugin_List, import_runtime_plugins
from calibration_routines import calibration_plugins, gaze_mapping_plugins
from fixation_detector import Fixation_Detector_3D
from recorder import Recorder
from show_calibration import Show_Calibration
from display_recent_gaze import Display_Recent_Gaze
from time_sync import Time_Sync
from pupil_remote import Pupil_Remote
from pupil_groups import Pupil_Groups
from surface_tracker import Surface_Tracker
from log_display import Log_Display
from annotations import Annotation_Capture
from log_history import Log_History
from frame_publisher import Frame_Publisher
#UI Platform tweaks
if platform.system() == 'Linux':
scroll_factor = 10.0
window_position_default = (0, 0)
elif platform.system() == 'Windows':
scroll_factor = 1.0
window_position_default = (8, 31)
else:
scroll_factor = 1.0
window_position_default = (0, 0)
#g_pool holds variables for this process they are accesible to all plugins
g_pool = Global_Container()
g_pool.app = 'capture'
g_pool.user_dir = user_dir
g_pool.version = version
g_pool.timebase = timebase
g_pool.zmq_ctx = zmq_ctx
g_pool.ipc_pub = ipc_pub
g_pool.ipc_pub_url = ipc_pub_url
g_pool.ipc_sub_url = ipc_sub_url
g_pool.ipc_push_url = ipc_push_url
g_pool.eyes_are_alive = eyes_are_alive
def get_timestamp():
return get_time_monotonic() - g_pool.timebase.value
g_pool.get_timestamp = get_timestamp
g_pool.get_now = get_time_monotonic
#manage plugins
runtime_plugins = import_runtime_plugins(
os.path.join(g_pool.user_dir, 'plugins'))
user_launchable_plugins = [
Pupil_Groups, Frame_Publisher, Show_Calibration, Pupil_Remote,
Time_Sync, Surface_Tracker, Annotation_Capture, Log_History,
Fixation_Detector_3D
] + runtime_plugins
system_plugins = [Log_Display, Display_Recent_Gaze, Recorder]
plugin_by_index = system_plugins + user_launchable_plugins + calibration_plugins + gaze_mapping_plugins + manager_classes
name_by_index = [p.__name__ for p in plugin_by_index]
plugin_by_name = dict(zip(name_by_index, plugin_by_index))
default_plugins = [('UVC_Manager', {}), ('Log_Display', {}),
('Dummy_Gaze_Mapper', {}), ('Display_Recent_Gaze', {}),
('Screen_Marker_Calibration', {}), ('Recorder', {}),
('Pupil_Remote', {}), ('Fixation_Detector_3D', {})]
# Callback functions
def on_resize(window, w, h):
if is_window_visible(window):
g_pool.gui.update_window(w, h)
g_pool.gui.collect_menus()
graph.adjust_size(w, h)
adjust_gl_view(w, h)
for p in g_pool.plugins:
p.on_window_resize(window, w, h)
def on_iconify(window, iconified):
g_pool.iconified = iconified
def on_key(window, key, scancode, action, mods):
g_pool.gui.update_key(key, scancode, action, mods)
def on_char(window, char):
g_pool.gui.update_char(char)
def on_button(window, button, action, mods):
g_pool.gui.update_button(button, action, mods)
pos = glfw.glfwGetCursorPos(window)
pos = normalize(pos, glfw.glfwGetWindowSize(main_window))
pos = denormalize(
pos,
(frame.img.shape[1], frame.img.shape[0])) # Position in img pixels
for p in g_pool.plugins:
p.on_click(pos, button, action)
def on_pos(window, x, y):
hdpi_factor = float(
glfw.glfwGetFramebufferSize(window)[0] /
glfw.glfwGetWindowSize(window)[0])
x, y = x * hdpi_factor, y * hdpi_factor
g_pool.gui.update_mouse(x, y)
def on_scroll(window, x, y):
g_pool.gui.update_scroll(x, y * scroll_factor)
tick = delta_t()
def get_dt():
return next(tick)
g_pool.on_frame_size_change = lambda new_size: None
# load session persistent settings
session_settings = Persistent_Dict(
os.path.join(g_pool.user_dir, 'user_settings_world'))
if session_settings.get("version", VersionFormat('0.0')) < g_pool.version:
logger.info(
"Session setting are from older version of this app. I will not use those."
)
session_settings.clear()
# Initialize capture
default_settings = {
'source_class_name':
'UVC_Source',
'preferred_names': [
"Pupil Cam1 ID2", "Logitech Camera", "(046d:081d)", "C510", "B525",
"C525", "C615", "C920", "C930e"
],
'frame_size': (1280, 720),
'frame_rate':
30
}
settings = session_settings.get('capture_settings', default_settings)
try:
cap = source_by_name[settings['source_class_name']](g_pool, **settings)
except (KeyError, InitialisationError) as e:
if isinstance(e, KeyError):
logger.warning(
'Incompatible capture setting encountered. Falling back to fake source.'
)
cap = Fake_Source(g_pool, **settings)
g_pool.iconified = False
g_pool.detection_mapping_mode = session_settings.get(
'detection_mapping_mode', '3d')
g_pool.active_calibration_plugin = None
g_pool.active_gaze_mapping_plugin = None
g_pool.capture = cap
g_pool.capture_manager = None
audio.audio_mode = session_settings.get('audio_mode',
audio.default_audio_mode)
def open_plugin(plugin):
if plugin == "Select to load":
return
g_pool.plugins.add(plugin)
def set_scale(new_scale):
g_pool.gui.scale = new_scale
g_pool.gui.collect_menus()
def launch_eye_process(eye_id, delay=0):
n = {
'subject': 'eye_process.should_start.%s' % eye_id,
'eye_id': eye_id,
'delay': delay
}
ipc_pub.notify(n)
def stop_eye_process(eye_id):
n = {'subject': 'eye_process.should_stop', 'eye_id': eye_id}
ipc_pub.notify(n)
def start_stop_eye(eye_id, make_alive):
if make_alive:
launch_eye_process(eye_id)
else:
stop_eye_process(eye_id)
def set_detection_mapping_mode(new_mode):
n = {'subject': 'set_detection_mapping_mode', 'mode': new_mode}
ipc_pub.notify(n)
def handle_notifications(n):
subject = n['subject']
if subject == 'set_detection_mapping_mode':
if n['mode'] == '2d':
if "Vector_Gaze_Mapper" in g_pool.active_gaze_mapping_plugin.class_name:
logger.warning(
"The gaze mapper is not supported in 2d mode. Please recalibrate."
)
g_pool.plugins.add(plugin_by_name['Dummy_Gaze_Mapper'])
g_pool.detection_mapping_mode = n['mode']
elif subject == 'start_plugin':
g_pool.plugins.add(plugin_by_name[n['name']],
args=n.get('args', {}))
elif subject == 'eye_process.started':
n = {
'subject': 'set_detection_mapping_mode',
'mode': g_pool.detection_mapping_mode
}
ipc_pub.notify(n)
elif subject.startswith('meta.should_doc'):
ipc_pub.notify({
'subject': 'meta.doc',
'actor': g_pool.app,
'doc': world.__doc__
})
for p in g_pool.plugins:
if p.on_notify.__doc__ and p.__class__.on_notify != Plugin.on_notify:
ipc_pub.notify({
'subject': 'meta.doc',
'actor': p.class_name,
'doc': p.on_notify.__doc__
})
#window and gl setup
glfw.glfwInit()
width, height = session_settings.get('window_size', cap.frame_size)
main_window = glfw.glfwCreateWindow(width, height, "World")
window_pos = session_settings.get('window_position',
window_position_default)
glfw.glfwSetWindowPos(main_window, window_pos[0], window_pos[1])
glfw.glfwMakeContextCurrent(main_window)
cygl.utils.init()
g_pool.main_window = main_window
#setup GUI
g_pool.gui = ui.UI()
g_pool.gui.scale = session_settings.get('gui_scale', 1)
g_pool.sidebar = ui.Scrolling_Menu("Settings",
pos=(-350, 0),
size=(0, 0),
header_pos='left')
general_settings = ui.Growing_Menu('General')
general_settings.append(
ui.Slider('scale',
g_pool.gui,
setter=set_scale,
step=.05,
min=1.,
max=2.5,
label='Interface size'))
general_settings.append(
ui.Button(
'Reset window size', lambda: glfw.glfwSetWindowSize(
main_window, frame.width, frame.height)))
general_settings.append(
ui.Selector('audio_mode', audio, selection=audio.audio_modes))
general_settings.append(
ui.Selector('detection_mapping_mode',
g_pool,
label='detection & mapping mode',
setter=set_detection_mapping_mode,
selection=['2d', '3d']))
general_settings.append(
ui.Switch('eye0_process',
label='Detect eye 0',
setter=lambda alive: start_stop_eye(0, alive),
getter=lambda: eyes_are_alive[0].value))
general_settings.append(
ui.Switch('eye1_process',
label='Detect eye 1',
setter=lambda alive: start_stop_eye(1, alive),
getter=lambda: eyes_are_alive[1].value))
selector_label = "Select to load"
labels = [p.__name__.replace('_', ' ') for p in user_launchable_plugins]
user_launchable_plugins.insert(0, selector_label)
labels.insert(0, selector_label)
general_settings.append(
ui.Selector('Open plugin',
selection=user_launchable_plugins,
labels=labels,
setter=open_plugin,
getter=lambda: selector_label))
general_settings.append(
ui.Info_Text('Capture Version: %s' % g_pool.version))
g_pool.quickbar = ui.Stretching_Menu('Quick Bar', (0, 100), (120, -100))
g_pool.capture_source_menu = ui.Growing_Menu('Capture Source')
g_pool.capture.init_gui()
g_pool.calibration_menu = ui.Growing_Menu('Calibration')
g_pool.capture_selector_menu = ui.Growing_Menu('Capture Selection')
g_pool.sidebar.append(general_settings)
g_pool.sidebar.append(g_pool.capture_selector_menu)
g_pool.sidebar.append(g_pool.capture_source_menu)
g_pool.sidebar.append(g_pool.calibration_menu)
g_pool.gui.append(g_pool.sidebar)
g_pool.gui.append(g_pool.quickbar)
#plugins that are loaded based on user settings from previous session
g_pool.plugins = Plugin_List(
g_pool, plugin_by_name,
session_settings.get('loaded_plugins', default_plugins))
#We add the calibration menu selector, after a calibration has been added:
g_pool.calibration_menu.insert(
0,
ui.Selector(
'active_calibration_plugin',
getter=lambda: g_pool.active_calibration_plugin.__class__,
selection=calibration_plugins,
labels=[p.__name__.replace('_', ' ') for p in calibration_plugins],
setter=open_plugin,
label='Method'))
#We add the capture selection menu, after a manager has been added:
g_pool.capture_selector_menu.insert(
0,
ui.Selector('capture_manager',
setter=open_plugin,
getter=lambda: g_pool.capture_manager.__class__,
selection=manager_classes,
labels=[b.gui_name for b in manager_classes],
label='Manager'))
# Register callbacks main_window
glfw.glfwSetFramebufferSizeCallback(main_window, on_resize)
glfw.glfwSetWindowIconifyCallback(main_window, on_iconify)
glfw.glfwSetKeyCallback(main_window, on_key)
glfw.glfwSetCharCallback(main_window, on_char)
glfw.glfwSetMouseButtonCallback(main_window, on_button)
glfw.glfwSetCursorPosCallback(main_window, on_pos)
glfw.glfwSetScrollCallback(main_window, on_scroll)
# gl_state settings
basic_gl_setup()
g_pool.image_tex = Named_Texture()
# refresh speed settings
glfw.glfwSwapInterval(0)
#trigger setup of window and gl sizes
on_resize(main_window, *glfw.glfwGetFramebufferSize(main_window))
#now the we have aproper window we can load the last gui configuration
g_pool.gui.configuration = session_settings.get('ui_config', {})
#set up performace graphs:
pid = os.getpid()
ps = psutil.Process(pid)
ts = g_pool.get_timestamp()
cpu_graph = graph.Bar_Graph()
cpu_graph.pos = (20, 130)
cpu_graph.update_fn = ps.cpu_percent
cpu_graph.update_rate = 5
cpu_graph.label = 'CPU %0.1f'
fps_graph = graph.Bar_Graph()
fps_graph.pos = (140, 130)
fps_graph.update_rate = 5
fps_graph.label = "%0.0f FPS"
pupil0_graph = graph.Bar_Graph(max_val=1.0)
pupil0_graph.pos = (260, 130)
pupil0_graph.update_rate = 5
pupil0_graph.label = "id0 conf: %0.2f"
pupil1_graph = graph.Bar_Graph(max_val=1.0)
pupil1_graph.pos = (380, 130)
pupil1_graph.update_rate = 5
pupil1_graph.label = "id1 conf: %0.2f"
pupil_graphs = pupil0_graph, pupil1_graph
if session_settings.get('eye1_process_alive', False):
launch_eye_process(1, delay=0.6)
if session_settings.get('eye0_process_alive', True):
launch_eye_process(0, delay=0.3)
ipc_pub.notify({'subject': 'world_process.started'})
logger.warning('Process started.')
# Event loop
while not glfw.glfwWindowShouldClose(main_window):
# fetch newest notifications
new_notifications = []
while notify_sub.new_data:
t, n = notify_sub.recv()
new_notifications.append(n)
# notify each plugin if there are new notifications:
for n in new_notifications:
handle_notifications(n)
g_pool.capture.on_notify(n)
for p in g_pool.plugins:
p.on_notify(n)
# Get an image from the grabber
try:
frame = g_pool.capture.get_frame()
except StreamError as e:
prev_settings = g_pool.capture.settings
g_pool.capture.deinit_gui()
g_pool.capture.cleanup()
g_pool.capture = None
prev_settings[
'info_text'] = "'%s' disconnected." % prev_settings['name']
g_pool.capture = Fake_Source(g_pool, **prev_settings)
g_pool.capture.init_gui()
ipc_pub.notify({'subject': 'recording.should_stop'})
logger.error("Error getting frame. Falling back to Fake source.")
logger.debug("Caught error: %s" % e)
sleep(.2)
continue
except EndofVideoFileError:
logger.warning("Video file is done. Rewinding")
g_pool.capture.seek_to_frame(0)
continue
#update performace graphs
t = frame.timestamp
dt, ts = t - ts, t
try:
fps_graph.add(1. / dt)
except ZeroDivisionError:
pass
cpu_graph.update()
#a dictionary that allows plugins to post and read events
events = {}
#report time between now and the last loop interation
events['dt'] = get_dt()
recent_pupil_data = []
recent_gaze_data = []
while pupil_sub.new_data:
t, p = pupil_sub.recv()
pupil_graphs[p['id']].add(p['confidence'])
recent_pupil_data.append(p)
new_gaze_data = g_pool.active_gaze_mapping_plugin.on_pupil_datum(p)
for g in new_gaze_data:
gaze_pub.send('gaze', g)
recent_gaze_data += new_gaze_data
events['pupil_positions'] = recent_pupil_data
events['gaze_positions'] = recent_gaze_data
# allow each Plugin to do its work.
for p in g_pool.plugins:
p.update(frame, events)
#check if a plugin need to be destroyed
g_pool.plugins.clean()
#send new events to ipc:
del events['pupil_positions'] #already on the wire
del events['gaze_positions'] #send earlier in this loop
del events['dt'] #no need to send this
for topic, data in events.iteritems():
assert (isinstance(data, (list, tuple)))
for d in data:
ipc_pub.send(topic, d)
# render camera image
glfw.glfwMakeContextCurrent(main_window)
if is_window_visible(main_window):
g_pool.image_tex.update_from_frame(frame)
glFlush()
make_coord_system_norm_based()
g_pool.image_tex.draw()
make_coord_system_pixel_based((frame.height, frame.width, 3))
# render visual feedback from loaded plugins
if is_window_visible(main_window):
g_pool.capture.gl_display()
for p in g_pool.plugins:
p.gl_display()
graph.push_view()
fps_graph.draw()
cpu_graph.draw()
pupil0_graph.draw()
pupil1_graph.draw()
graph.pop_view()
g_pool.gui.update()
glfw.glfwSwapBuffers(main_window)
glfw.glfwPollEvents()
glfw.glfwRestoreWindow(main_window) #need to do this for windows os
session_settings['loaded_plugins'] = g_pool.plugins.get_initializers()
session_settings['gui_scale'] = g_pool.gui.scale
session_settings['ui_config'] = g_pool.gui.configuration
session_settings['capture_settings'] = g_pool.capture.settings
session_settings['window_size'] = glfw.glfwGetWindowSize(main_window)
session_settings['window_position'] = glfw.glfwGetWindowPos(main_window)
session_settings['version'] = g_pool.version
session_settings['eye0_process_alive'] = eyes_are_alive[0].value
session_settings['eye1_process_alive'] = eyes_are_alive[1].value
session_settings['detection_mapping_mode'] = g_pool.detection_mapping_mode
session_settings['audio_mode'] = audio.audio_mode
session_settings.close()
# de-init all running plugins
for p in g_pool.plugins:
p.alive = False
g_pool.plugins.clean()
g_pool.gui.terminate()
glfw.glfwDestroyWindow(main_window)
glfw.glfwTerminate()
g_pool.capture.deinit_gui()
g_pool.capture.cleanup()
#shut down eye processes:
stop_eye_process(0)
stop_eye_process(1)
logger.info("Process shutting down.")
ipc_pub.notify({'subject': 'world_process.stopped'})
#shut down launcher
n = {'subject': 'launcher_process.should_stop'}
ipc_pub.notify(n)
zmq_ctx.destroy()
def gl_display(self):
from math import floor
if self.depth_window is not None and glfw.glfwWindowShouldClose(
self.depth_window):
glfw.glfwDestroyWindow(self.depth_window)
self.depth_window = None
if self.depth_window is not None and self._recent_depth_frame is not None:
active_window = glfw.glfwGetCurrentContext()
glfw.glfwMakeContextCurrent(self.depth_window)
win_size = glfw.glfwGetFramebufferSize(self.depth_window)
gl_utils.adjust_gl_view(win_size[0], win_size[1])
pos = glfw.glfwGetCursorPos(self.depth_window)
if self.mouse_drag:
self.pitch = np.clip(self.pitch + (pos[1] - self.last_pos[1]),
-80, 80)
self.yaw = np.clip(self.yaw - (pos[0] - self.last_pos[0]),
-120, 120)
self.last_pos = pos
glClearColor(0, 0, 0, 0)
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
glMatrixMode(GL_PROJECTION)
glLoadIdentity()
gluPerspective(60, win_size[0] / win_size[1], 0.01, 20.0)
glMatrixMode(GL_MODELVIEW)
glLoadIdentity()
gluLookAt(0, 0, 0, 0, 0, 1, 0, -1, 0)
glTranslatef(0, 0, 0.5)
glRotated(self.pitch, 1, 0, 0)
glRotated(self.yaw, 0, 1, 0)
glTranslatef(0, 0, -0.5)
# glPointSize(2)
glEnable(GL_DEPTH_TEST)
extrinsics = self.device.get_device_extrinsics(
rs_stream.RS_STREAM_DEPTH, rs_stream.RS_STREAM_COLOR)
depth_frame = self._recent_depth_frame
color_frame = self._recent_frame
depth_scale = self.device.depth_scale
glEnableClientState(GL_VERTEX_ARRAY)
pointcloud = self.device.pointcloud
glVertexPointer(3, GL_FLOAT, 0, pointcloud)
glEnableClientState(GL_COLOR_ARRAY)
depth_to_color = np.zeros(
depth_frame.height * depth_frame.width * 3, np.uint8)
rsutilwrapper.project_pointcloud_to_pixel(
depth_to_color,
self.device.depth_intrinsics,
self.device.color_intrinsics,
extrinsics,
pointcloud,
self._recent_frame.bgr,
)
glColorPointer(3, GL_UNSIGNED_BYTE, 0, depth_to_color)
glDrawArrays(GL_POINTS, 0, depth_frame.width * depth_frame.height)
gl_utils.glFlush()
glDisable(GL_DEPTH_TEST)
# gl_utils.make_coord_system_norm_based()
glfw.glfwSwapBuffers(self.depth_window)
glfw.glfwMakeContextCurrent(active_window)
if self.preview_depth and self._recent_depth_frame is not None:
self.g_pool.image_tex.update_from_ndarray(
self._recent_depth_frame.bgr)
gl_utils.glFlush()
gl_utils.make_coord_system_norm_based()
self.g_pool.image_tex.draw()
elif self._recent_frame is not None:
self.g_pool.image_tex.update_from_yuv_buffer(
self._recent_frame.yuv_buffer,
self._recent_frame.width,
self._recent_frame.height,
)
gl_utils.glFlush()
gl_utils.make_coord_system_norm_based()
self.g_pool.image_tex.draw()
if not self.online:
super().gl_display()
gl_utils.make_coord_system_pixel_based(
(self.frame_size[1], self.frame_size[0], 3))
def gl_display(self):
from math import floor
if self.depth_window is not None and glfw.glfwWindowShouldClose(
self.depth_window
):
glfw.glfwDestroyWindow(self.depth_window)
self.depth_window = None
if self.depth_window is not None and self._recent_depth_frame is not None:
active_window = glfw.glfwGetCurrentContext()
glfw.glfwMakeContextCurrent(self.depth_window)
win_size = glfw.glfwGetFramebufferSize(self.depth_window)
gl_utils.adjust_gl_view(win_size[0], win_size[1])
pos = glfw.glfwGetCursorPos(self.depth_window)
if self.mouse_drag:
self.pitch = np.clip(self.pitch + (pos[1] - self.last_pos[1]), -80, 80)
self.yaw = np.clip(self.yaw - (pos[0] - self.last_pos[0]), -120, 120)
self.last_pos = pos
glClearColor(0, 0, 0, 0)
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
glMatrixMode(GL_PROJECTION)
glLoadIdentity()
gluPerspective(60, win_size[0] / win_size[1], 0.01, 20.0)
glMatrixMode(GL_MODELVIEW)
glLoadIdentity()
gluLookAt(0, 0, 0, 0, 0, 1, 0, -1, 0)
glTranslatef(0, 0, 0.5)
glRotated(self.pitch, 1, 0, 0)
glRotated(self.yaw, 0, 1, 0)
glTranslatef(0, 0, -0.5)
# glPointSize(2)
glEnable(GL_DEPTH_TEST)
extrinsics = self.device.get_device_extrinsics(
rs_stream.RS_STREAM_DEPTH, rs_stream.RS_STREAM_COLOR
)
depth_frame = self._recent_depth_frame
color_frame = self._recent_frame
depth_scale = self.device.depth_scale
glEnableClientState(GL_VERTEX_ARRAY)
pointcloud = self.device.pointcloud
glVertexPointer(3, GL_FLOAT, 0, pointcloud)
glEnableClientState(GL_COLOR_ARRAY)
depth_to_color = np.zeros(
depth_frame.height * depth_frame.width * 3, np.uint8
)
rsutilwrapper.project_pointcloud_to_pixel(
depth_to_color,
self.device.depth_intrinsics,
self.device.color_intrinsics,
extrinsics,
pointcloud,
self._recent_frame.bgr,
)
glColorPointer(3, GL_UNSIGNED_BYTE, 0, depth_to_color)
glDrawArrays(GL_POINTS, 0, depth_frame.width * depth_frame.height)
gl_utils.glFlush()
glDisable(GL_DEPTH_TEST)
# gl_utils.make_coord_system_norm_based()
glfw.glfwSwapBuffers(self.depth_window)
glfw.glfwMakeContextCurrent(active_window)
if self.preview_depth and self._recent_depth_frame is not None:
self.g_pool.image_tex.update_from_ndarray(self._recent_depth_frame.bgr)
gl_utils.glFlush()
gl_utils.make_coord_system_norm_based()
self.g_pool.image_tex.draw()
elif self._recent_frame is not None:
self.g_pool.image_tex.update_from_yuv_buffer(
self._recent_frame.yuv_buffer,
self._recent_frame.width,
self._recent_frame.height,
)
gl_utils.glFlush()
gl_utils.make_coord_system_norm_based()
self.g_pool.image_tex.draw()
if not self.online:
super().gl_display()
gl_utils.make_coord_system_pixel_based(
(self.frame_size[1], self.frame_size[0], 3)
)
def world(timebase,eyes_are_alive,ipc_pub_url,ipc_sub_url,ipc_push_url,user_dir,version,cap_src):
"""Reads world video and runs plugins.
Creates a window, gl context.
Grabs images from a capture.
Maps pupil to gaze data
Can run various plug-ins.
Reacts to notifications:
``set_detection_mapping_mode``
``eye_process.started``
``start_plugin``
Emits notifications:
``eye_process.should_start``
``eye_process.should_stop``
``set_detection_mapping_mode``
``world_process.started``
``world_process.stopped``
``recording.should_stop``: Emits on camera failure
``launcher_process.should_stop``
Emits data:
``gaze``: Gaze data from current gaze mapping plugin.``
``*``: any other plugin generated data in the events that it not [dt,pupil,gaze].
"""
# We defer the imports because of multiprocessing.
# Otherwise the world process each process also loads the other imports.
# This is not harmful but unnecessary.
#general imports
from time import time,sleep
import numpy as np
import logging
import zmq
import zmq_tools
#zmq ipc setup
zmq_ctx = zmq.Context()
ipc_pub = zmq_tools.Msg_Dispatcher(zmq_ctx,ipc_push_url)
gaze_pub = zmq_tools.Msg_Streamer(zmq_ctx,ipc_pub_url)
pupil_sub = zmq_tools.Msg_Receiver(zmq_ctx,ipc_sub_url,topics=('pupil',))
notify_sub = zmq_tools.Msg_Receiver(zmq_ctx,ipc_sub_url,topics=('notify',))
#log setup
logging.getLogger("OpenGL").setLevel(logging.ERROR)
logger = logging.getLogger()
logger.handlers = []
logger.addHandler(zmq_tools.ZMQ_handler(zmq_ctx,ipc_push_url))
# create logger for the context of this function
logger = logging.getLogger(__name__)
#display
import glfw
from pyglui import ui,graph,cygl
from pyglui.cygl.utils import Named_Texture
from gl_utils import basic_gl_setup,adjust_gl_view, clear_gl_screen,make_coord_system_pixel_based,make_coord_system_norm_based,glFlush
#check versions for our own depedencies as they are fast-changing
from pyglui import __version__ as pyglui_version
assert pyglui_version >= '0.8'
#monitoring
import psutil
# helpers/utils
from file_methods import Persistent_Dict
from methods import normalize, denormalize, delta_t, get_system_info
from video_capture import autoCreateCapture, FileCaptureError, EndofVideoFileError, CameraCaptureError
from version_utils import VersionFormat
import audio
from uvc import get_time_monotonic
#trigger pupil detector cpp build:
import pupil_detectors
del pupil_detectors
# Plug-ins
from plugin import Plugin,Plugin_List,import_runtime_plugins
from calibration_routines import calibration_plugins, gaze_mapping_plugins
from recorder import Recorder
from show_calibration import Show_Calibration
from display_recent_gaze import Display_Recent_Gaze
from pupil_sync import Pupil_Sync
from pupil_remote import Pupil_Remote
from surface_tracker import Surface_Tracker
from log_display import Log_Display
from annotations import Annotation_Capture
from log_history import Log_History
logger.info('Application Version: %s'%version)
logger.info('System Info: %s'%get_system_info())
#UI Platform tweaks
if platform.system() == 'Linux':
scroll_factor = 10.0
window_position_default = (0,0)
elif platform.system() == 'Windows':
scroll_factor = 1.0
window_position_default = (8,31)
else:
scroll_factor = 1.0
window_position_default = (0,0)
#g_pool holds variables for this process they are accesible to all plugins
g_pool = Global_Container()
g_pool.app = 'capture'
g_pool.user_dir = user_dir
g_pool.version = version
g_pool.timebase = timebase
g_pool.zmq_ctx = zmq_ctx
g_pool.ipc_pub = ipc_pub
g_pool.ipc_pub_url = ipc_pub_url
g_pool.ipc_sub_url = ipc_sub_url
g_pool.ipc_push_url = ipc_push_url
g_pool.eyes_are_alive = eyes_are_alive
def get_timestamp():
return get_time_monotonic()-g_pool.timebase.value
g_pool.get_timestamp = get_timestamp
g_pool.get_now = get_time_monotonic
#manage plugins
runtime_plugins = import_runtime_plugins(os.path.join(g_pool.user_dir,'plugins'))
user_launchable_plugins = [Show_Calibration,Pupil_Remote,Pupil_Sync,Surface_Tracker,Annotation_Capture,Log_History]+runtime_plugins
system_plugins = [Log_Display,Display_Recent_Gaze,Recorder]
plugin_by_index = system_plugins+user_launchable_plugins+calibration_plugins+gaze_mapping_plugins
name_by_index = [p.__name__ for p in plugin_by_index]
plugin_by_name = dict(zip(name_by_index,plugin_by_index))
default_plugins = [('Log_Display',{}),('Dummy_Gaze_Mapper',{}),('Display_Recent_Gaze',{}), ('Screen_Marker_Calibration',{}),('Recorder',{}),('Pupil_Remote',{})]
# Callback functions
def on_resize(window,w, h):
if not g_pool.iconified:
g_pool.gui.update_window(w,h)
g_pool.gui.collect_menus()
graph.adjust_size(w,h)
adjust_gl_view(w,h)
for p in g_pool.plugins:
p.on_window_resize(window,w,h)
def on_iconify(window,iconified):
g_pool.iconified = iconified
def on_key(window, key, scancode, action, mods):
g_pool.gui.update_key(key,scancode,action,mods)
def on_char(window,char):
g_pool.gui.update_char(char)
def on_button(window,button, action, mods):
g_pool.gui.update_button(button,action,mods)
pos = glfw.glfwGetCursorPos(window)
pos = normalize(pos,glfw.glfwGetWindowSize(main_window))
pos = denormalize(pos,(frame.img.shape[1],frame.img.shape[0]) ) # Position in img pixels
for p in g_pool.plugins:
p.on_click(pos,button,action)
def on_pos(window,x, y):
hdpi_factor = float(glfw.glfwGetFramebufferSize(window)[0]/glfw.glfwGetWindowSize(window)[0])
x,y = x*hdpi_factor,y*hdpi_factor
g_pool.gui.update_mouse(x,y)
def on_scroll(window,x,y):
g_pool.gui.update_scroll(x,y*scroll_factor)
tick = delta_t()
def get_dt():
return next(tick)
# load session persistent settings
session_settings = Persistent_Dict(os.path.join(g_pool.user_dir,'user_settings_world'))
if session_settings.get("version",VersionFormat('0.0')) < g_pool.version:
logger.info("Session setting are from older version of this app. I will not use those.")
session_settings.clear()
# Initialize capture
cap = autoCreateCapture(cap_src, timebase=g_pool.timebase)
default_settings = {'frame_size':(1280,720),'frame_rate':30}
previous_settings = session_settings.get('capture_settings',None)
if previous_settings and previous_settings['name'] == cap.name:
cap.settings = previous_settings
else:
cap.settings = default_settings
g_pool.iconified = False
g_pool.capture = cap
g_pool.detection_mapping_mode = session_settings.get('detection_mapping_mode','2d')
g_pool.active_calibration_plugin = None
g_pool.active_gaze_mapping_plugin = None
audio.audio_mode = session_settings.get('audio_mode',audio.default_audio_mode)
def open_plugin(plugin):
if plugin == "Select to load":
return
g_pool.plugins.add(plugin)
def set_scale(new_scale):
g_pool.gui.scale = new_scale
g_pool.gui.collect_menus()
def launch_eye_process(eye_id,delay=0):
n = {'subject':'eye_process.should_start.%s'%eye_id,'eye_id':eye_id,'delay':delay}
ipc_pub.notify(n)
def stop_eye_process(eye_id):
n = {'subject':'eye_process.should_stop','eye_id':eye_id}
ipc_pub.notify(n)
def start_stop_eye(eye_id,make_alive):
if make_alive:
launch_eye_process(eye_id)
else:
stop_eye_process(eye_id)
def set_detection_mapping_mode(new_mode):
n = {'subject':'set_detection_mapping_mode','mode':new_mode}
ipc_pub.notify(n)
def handle_notifications(n):
subject = n['subject']
if subject == 'set_detection_mapping_mode':
if n['mode'] == '2d':
if "Vector_Gaze_Mapper" in g_pool.active_gaze_mapping_plugin.class_name:
logger.warning("The gaze mapper is not supported in 2d mode. Please recalibrate.")
g_pool.plugins.add(plugin_by_name['Dummy_Gaze_Mapper'])
g_pool.detection_mapping_mode = n['mode']
elif subject == 'start_plugin':
g_pool.plugins.add(plugin_by_name[n['name']],args=n.get('args',{}) )
elif subject == 'eye_process.started':
n = {'subject':'set_detection_mapping_mode','mode':g_pool.detection_mapping_mode}
ipc_pub.notify(n)
elif subject.startswith('meta.should_doc'):
ipc_pub.notify({
'subject':'meta.doc',
'actor':g_pool.app,
'doc':world.__doc__})
for p in g_pool.plugins:
if p.on_notify.__doc__ and p.__class__.on_notify != Plugin.on_notify:
ipc_pub.notify({
'subject':'meta.doc',
'actor': p.class_name,
'doc':p.on_notify.__doc__})
#window and gl setup
glfw.glfwInit()
width,height = session_settings.get('window_size',cap.frame_size)
main_window = glfw.glfwCreateWindow(width,height, "World")
window_pos = session_settings.get('window_position',window_position_default)
glfw.glfwSetWindowPos(main_window,window_pos[0],window_pos[1])
glfw.glfwMakeContextCurrent(main_window)
cygl.utils.init()
g_pool.main_window = main_window
#setup GUI
g_pool.gui = ui.UI()
g_pool.gui.scale = session_settings.get('gui_scale',1)
g_pool.sidebar = ui.Scrolling_Menu("Settings",pos=(-350,0),size=(0,0),header_pos='left')
general_settings = ui.Growing_Menu('General')
general_settings.append(ui.Slider('scale',g_pool.gui, setter=set_scale,step = .05,min=1.,max=2.5,label='Interface size'))
general_settings.append(ui.Button('Reset window size',lambda: glfw.glfwSetWindowSize(main_window,frame.width,frame.height)) )
general_settings.append(ui.Selector('audio_mode',audio,selection=audio.audio_modes))
general_settings.append(ui.Selector('detection_mapping_mode',g_pool,label='detection & mapping mode',setter=set_detection_mapping_mode,selection=['2d','3d']))
general_settings.append(ui.Switch('eye0_process',label='Detect eye 0',setter=lambda alive: start_stop_eye(0,alive),getter=lambda: eyes_are_alive[0].value ))
general_settings.append(ui.Switch('eye1_process',label='Detect eye 1',setter=lambda alive: start_stop_eye(1,alive),getter=lambda: eyes_are_alive[1].value ))
general_settings.append(ui.Selector('Open plugin', selection = user_launchable_plugins,
labels = [p.__name__.replace('_',' ') for p in user_launchable_plugins],
setter= open_plugin, getter=lambda: "Select to load"))
general_settings.append(ui.Info_Text('Capture Version: %s'%g_pool.version))
g_pool.sidebar.append(general_settings)
g_pool.calibration_menu = ui.Growing_Menu('Calibration')
g_pool.sidebar.append(g_pool.calibration_menu)
g_pool.gui.append(g_pool.sidebar)
g_pool.quickbar = ui.Stretching_Menu('Quick Bar',(0,100),(120,-100))
g_pool.gui.append(g_pool.quickbar)
g_pool.capture.init_gui(g_pool.sidebar)
#plugins that are loaded based on user settings from previous session
g_pool.plugins = Plugin_List(g_pool,plugin_by_name,session_settings.get('loaded_plugins',default_plugins))
#We add the calibration menu selector, after a calibration has been added:
g_pool.calibration_menu.insert(0,ui.Selector('active_calibration_plugin',getter=lambda: g_pool.active_calibration_plugin.__class__, selection = calibration_plugins,
labels = [p.__name__.replace('_',' ') for p in calibration_plugins],
setter= open_plugin,label='Method'))
# Register callbacks main_window
glfw.glfwSetFramebufferSizeCallback(main_window,on_resize)
glfw.glfwSetWindowIconifyCallback(main_window,on_iconify)
glfw.glfwSetKeyCallback(main_window,on_key)
glfw.glfwSetCharCallback(main_window,on_char)
glfw.glfwSetMouseButtonCallback(main_window,on_button)
glfw.glfwSetCursorPosCallback(main_window,on_pos)
glfw.glfwSetScrollCallback(main_window,on_scroll)
# gl_state settings
basic_gl_setup()
g_pool.image_tex = Named_Texture()
# refresh speed settings
glfw.glfwSwapInterval(0)
#trigger setup of window and gl sizes
on_resize(main_window, *glfw.glfwGetFramebufferSize(main_window))
#now the we have aproper window we can load the last gui configuration
g_pool.gui.configuration = session_settings.get('ui_config',{})
#set up performace graphs:
pid = os.getpid()
ps = psutil.Process(pid)
ts = 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"
pupil0_graph = graph.Bar_Graph(max_val=1.0)
pupil0_graph.pos = (260,130)
pupil0_graph.update_rate = 5
pupil0_graph.label = "id0 conf: %0.2f"
pupil1_graph = graph.Bar_Graph(max_val=1.0)
pupil1_graph.pos = (380,130)
pupil1_graph.update_rate = 5
pupil1_graph.label = "id1 conf: %0.2f"
pupil_graphs = pupil0_graph,pupil1_graph
if session_settings.get('eye1_process_alive',False):
launch_eye_process(1,delay=0.6)
if session_settings.get('eye0_process_alive',True):
launch_eye_process(0,delay=0.3)
ipc_pub.notify({'subject':'world_process.started'})
logger.warning('Process started.')
# Event loop
while not glfw.glfwWindowShouldClose(main_window):
# Get an image from the grabber
try:
frame = g_pool.capture.get_frame()
except CameraCaptureError:
logger.error("Capture from camera failed. Starting Fake Capture.")
settings = g_pool.capture.settings
g_pool.capture.close()
g_pool.capture = autoCreateCapture(None, timebase=g_pool.timebase)
g_pool.capture.init_gui(g_pool.sidebar)
g_pool.capture.settings = settings
ipc_pub.notify({'subject':'recording.should_stop'})
continue
except EndofVideoFileError:
logger.warning("Video file is done. Stopping")
break
#update performace graphs
t = frame.timestamp
dt,ts = t-ts,t
try:
fps_graph.add(1./dt)
except ZeroDivisionError:
pass
cpu_graph.update()
#a dictionary that allows plugins to post and read events
events = {}
#report time between now and the last loop interation
events['dt'] = get_dt()
recent_pupil_data = []
recent_gaze_data = []
new_notifications = []
while pupil_sub.new_data:
t,p = pupil_sub.recv()
pupil_graphs[p['id']].add(p['confidence'])
recent_pupil_data.append(p)
new_gaze_data = g_pool.active_gaze_mapping_plugin.on_pupil_datum(p)
for g in new_gaze_data:
gaze_pub.send('gaze',g)
recent_gaze_data += new_gaze_data
while notify_sub.new_data:
t,n = notify_sub.recv()
new_notifications.append(n)
events['pupil_positions'] = recent_pupil_data
events['gaze_positions'] = recent_gaze_data
# notify each plugin if there are new notifications:
for n in new_notifications:
handle_notifications(n)
for p in g_pool.plugins:
p.on_notify(n)
# allow each Plugin to do its work.
for p in g_pool.plugins:
p.update(frame,events)
#check if a plugin need to be destroyed
g_pool.plugins.clean()
#send new events to ipc:
del events['pupil_positions'] #already on the wire
del events['gaze_positions'] #send earlier in this loop
del events['dt'] #no need to send this
for topic,data in events.iteritems():
for d in data:
ipc_pub.send(topic, d)
# render camera image
glfw.glfwMakeContextCurrent(main_window)
if g_pool.iconified:
pass
else:
g_pool.image_tex.update_from_frame(frame)
glFlush()
make_coord_system_norm_based()
g_pool.image_tex.draw()
make_coord_system_pixel_based((frame.height,frame.width,3))
# render visual feedback from loaded plugins
for p in g_pool.plugins:
p.gl_display()
if not g_pool.iconified:
graph.push_view()
fps_graph.draw()
cpu_graph.draw()
pupil0_graph.draw()
pupil1_graph.draw()
graph.pop_view()
g_pool.gui.update()
glfw.glfwSwapBuffers(main_window)
glfw.glfwPollEvents()
glfw.glfwRestoreWindow(main_window) #need to do this for windows os
session_settings['loaded_plugins'] = g_pool.plugins.get_initializers()
session_settings['gui_scale'] = g_pool.gui.scale
session_settings['ui_config'] = g_pool.gui.configuration
session_settings['capture_settings'] = g_pool.capture.settings
session_settings['window_size'] = glfw.glfwGetWindowSize(main_window)
session_settings['window_position'] = glfw.glfwGetWindowPos(main_window)
session_settings['version'] = g_pool.version
session_settings['eye0_process_alive'] = eyes_are_alive[0].value
session_settings['eye1_process_alive'] = eyes_are_alive[1].value
session_settings['detection_mapping_mode'] = g_pool.detection_mapping_mode
session_settings['audio_mode'] = audio.audio_mode
session_settings.close()
# de-init all running plugins
for p in g_pool.plugins:
p.alive = False
g_pool.plugins.clean()
g_pool.gui.terminate()
glfw.glfwDestroyWindow(main_window)
glfw.glfwTerminate()
g_pool.capture.close()
#shut down eye processes:
stop_eye_process(0)
stop_eye_process(1)
logger.info("Process shutting down.")
ipc_pub.notify({'subject':'world_process.stopped'})
#shut down launcher
n = {'subject':'launcher_process.should_stop'}
ipc_pub.notify(n)
zmq_ctx.destroy()
def world(pupil_queue, timebase, launcher_pipe, eye_pipes, eyes_are_alive,
user_dir, version, cap_src):
"""world
Creates a window, gl context.
Grabs images from a capture.
Receives Pupil coordinates from eye process[es]
Can run various plug-ins.
"""
import logging
# Set up root logger for this process before doing imports of logged modules.
logger = logging.getLogger()
logger.setLevel(logging.INFO)
#silence noisy modules
logging.getLogger("OpenGL").setLevel(logging.ERROR)
# create formatter
formatter = logging.Formatter(
'%(processName)s - [%(levelname)s] %(name)s : %(message)s')
# create file handler which logs even debug messages
fh = logging.FileHandler(os.path.join(user_dir, 'capture.log'), mode='w')
fh.setLevel(logger.level)
fh.setFormatter(formatter)
# create console handler with a higher log level
ch = logging.StreamHandler()
ch.setLevel(logger.level + 10)
ch.setFormatter(formatter)
# add the handlers to the logger
logger.addHandler(fh)
logger.addHandler(ch)
#setup thread to recv log recrods from other processes.
def log_loop(logging):
import zmq
ctx = zmq.Context()
sub = ctx.socket(zmq.SUB)
sub.bind('tcp://127.0.0.1:502020')
sub.setsockopt(zmq.SUBSCRIBE, "")
while True:
record = sub.recv_pyobj()
logger = logging.getLogger(record.name)
logger.handle(record)
import threading
log_thread = threading.Thread(target=log_loop, args=(logging, ))
log_thread.setDaemon(True)
log_thread.start()
# create logger for the context of this function
logger = logging.getLogger(__name__)
# We defer the imports because of multiprocessing.
# Otherwise the world process each process also loads the other imports.
# This is not harmful but unnecessary.
#general imports
from time import time, sleep
import numpy as np
#display
import glfw
from pyglui import ui, graph, cygl
from pyglui.cygl.utils import Named_Texture
from gl_utils import basic_gl_setup, adjust_gl_view, clear_gl_screen, make_coord_system_pixel_based, make_coord_system_norm_based, glFlush
#check versions for our own depedencies as they are fast-changing
from pyglui import __version__ as pyglui_version
assert pyglui_version >= '0.8'
#monitoring
import psutil
# helpers/utils
from file_methods import Persistent_Dict
from methods import normalize, denormalize, delta_t, get_system_info
from video_capture import autoCreateCapture, FileCaptureError, EndofVideoFileError, CameraCaptureError
from version_utils import VersionFormat
import audio
# Plug-ins
from plugin import Plugin_List, import_runtime_plugins
from calibration_routines import calibration_plugins, gaze_mapping_plugins
from recorder import Recorder
from show_calibration import Show_Calibration
from display_recent_gaze import Display_Recent_Gaze
from pupil_server import Pupil_Server
from pupil_sync import Pupil_Sync
from surface_tracker import Surface_Tracker
from log_display import Log_Display
from annotations import Annotation_Capture
from pupil_remote import Pupil_Remote
from log_history import Log_History
logger.info('Application Version: %s' % version)
logger.info('System Info: %s' % get_system_info())
#UI Platform tweaks
if platform.system() == 'Linux':
scroll_factor = 10.0
window_position_default = (0, 0)
elif platform.system() == 'Windows':
scroll_factor = 1.0
window_position_default = (8, 31)
else:
scroll_factor = 1.0
window_position_default = (0, 0)
#g_pool holds variables for this process
g_pool = Global_Container()
# make some constants avaiable
g_pool.user_dir = user_dir
g_pool.version = version
g_pool.app = 'capture'
g_pool.pupil_queue = pupil_queue
g_pool.timebase = timebase
# g_pool.launcher_pipe = launcher_pipe
g_pool.eye_pipes = eye_pipes
g_pool.eyes_are_alive = eyes_are_alive
#manage plugins
runtime_plugins = import_runtime_plugins(
os.path.join(g_pool.user_dir, 'plugins'))
user_launchable_plugins = [
Show_Calibration, Pupil_Remote, Pupil_Server, Pupil_Sync,
Surface_Tracker, Annotation_Capture, Log_History
] + runtime_plugins
system_plugins = [Log_Display, Display_Recent_Gaze, Recorder]
plugin_by_index = system_plugins + user_launchable_plugins + calibration_plugins + gaze_mapping_plugins
name_by_index = [p.__name__ for p in plugin_by_index]
plugin_by_name = dict(zip(name_by_index, plugin_by_index))
default_plugins = [('Log_Display', {}), ('Dummy_Gaze_Mapper', {}),
('Display_Recent_Gaze', {}),
('Screen_Marker_Calibration', {}), ('Recorder', {})]
# Callback functions
def on_resize(window, w, h):
if not g_pool.iconified:
g_pool.gui.update_window(w, h)
g_pool.gui.collect_menus()
graph.adjust_size(w, h)
adjust_gl_view(w, h)
for p in g_pool.plugins:
p.on_window_resize(window, w, h)
def on_iconify(window, iconified):
g_pool.iconified = iconified
def on_key(window, key, scancode, action, mods):
g_pool.gui.update_key(key, scancode, action, mods)
def on_char(window, char):
g_pool.gui.update_char(char)
def on_button(window, button, action, mods):
g_pool.gui.update_button(button, action, mods)
pos = glfw.glfwGetCursorPos(window)
pos = normalize(pos, glfw.glfwGetWindowSize(main_window))
pos = denormalize(
pos,
(frame.img.shape[1], frame.img.shape[0])) # Position in img pixels
for p in g_pool.plugins:
p.on_click(pos, button, action)
def on_pos(window, x, y):
hdpi_factor = float(
glfw.glfwGetFramebufferSize(window)[0] /
glfw.glfwGetWindowSize(window)[0])
x, y = x * hdpi_factor, y * hdpi_factor
g_pool.gui.update_mouse(x, y)
def on_scroll(window, x, y):
g_pool.gui.update_scroll(x, y * scroll_factor)
tick = delta_t()
def get_dt():
return next(tick)
# load session persistent settings
session_settings = Persistent_Dict(
os.path.join(g_pool.user_dir, 'user_settings_world'))
if session_settings.get("version", VersionFormat('0.0')) < g_pool.version:
logger.info(
"Session setting are from older version of this app. I will not use those."
)
session_settings.clear()
# Initialize capture
cap = autoCreateCapture(cap_src, timebase=g_pool.timebase)
default_settings = {'frame_size': (1280, 720), 'frame_rate': 30}
previous_settings = session_settings.get('capture_settings', None)
if previous_settings and previous_settings['name'] == cap.name:
cap.settings = previous_settings
else:
cap.settings = default_settings
# Test capture
try:
frame = cap.get_frame()
except CameraCaptureError:
logger.error("Could not retrieve image from capture")
cap.close()
launcher_pipe.send("Exit")
return
g_pool.iconified = False
g_pool.capture = cap
g_pool.pupil_confidence_threshold = session_settings.get(
'pupil_confidence_threshold', .6)
g_pool.detection_mapping_mode = session_settings.get(
'detection_mapping_mode', '2d')
g_pool.active_calibration_plugin = None
audio.audio_mode = session_settings.get('audio_mode',
audio.default_audio_mode)
def open_plugin(plugin):
if plugin == "Select to load":
return
g_pool.plugins.add(plugin)
def set_scale(new_scale):
g_pool.gui.scale = new_scale
g_pool.gui.collect_menus()
def launch_eye_process(eye_id, blocking=False):
if eyes_are_alive[eye_id].value:
logger.error("Eye%s process already running." % eye_id)
return
launcher_pipe.send(eye_id)
eye_pipes[eye_id].send(
('Set_Detection_Mapping_Mode', g_pool.detection_mapping_mode))
if blocking:
#wait for ready message from eye to sequentialize startup
eye_pipes[eye_id].send('Ping')
eye_pipes[eye_id].recv()
logger.warning('Eye %s process started.' % eye_id)
def stop_eye_process(eye_id, blocking=False):
if eyes_are_alive[eye_id].value:
eye_pipes[eye_id].send('Exit')
if blocking:
while eyes_are_alive[eye_id].value:
sleep(.1)
def start_stop_eye(eye_id, make_alive):
if make_alive:
launch_eye_process(eye_id)
else:
stop_eye_process(eye_id)
def set_detection_mapping_mode(new_mode):
if new_mode == '2d':
for p in g_pool.plugins:
if "Vector_Gaze_Mapper" in p.class_name:
logger.warning(
"The gaze mapper is not supported in 2d mode. Please recalibrate."
)
p.alive = False
g_pool.plugins.clean()
for alive, pipe in zip(g_pool.eyes_are_alive, g_pool.eye_pipes):
if alive.value:
pipe.send(('Set_Detection_Mapping_Mode', new_mode))
g_pool.detection_mapping_mode = new_mode
#window and gl setup
glfw.glfwInit()
width, height = session_settings.get('window_size',
(frame.width, frame.height))
main_window = glfw.glfwCreateWindow(width, height, "World")
window_pos = session_settings.get('window_position',
window_position_default)
glfw.glfwSetWindowPos(main_window, window_pos[0], window_pos[1])
glfw.glfwMakeContextCurrent(main_window)
cygl.utils.init()
g_pool.main_window = main_window
#setup GUI
g_pool.gui = ui.UI()
g_pool.gui.scale = session_settings.get('gui_scale', 1)
g_pool.sidebar = ui.Scrolling_Menu("Settings",
pos=(-350, 0),
size=(0, 0),
header_pos='left')
general_settings = ui.Growing_Menu('General')
general_settings.append(
ui.Slider('scale',
g_pool.gui,
setter=set_scale,
step=.05,
min=1.,
max=2.5,
label='Interface size'))
general_settings.append(
ui.Button(
'Reset window size', lambda: glfw.glfwSetWindowSize(
main_window, frame.width, frame.height)))
general_settings.append(
ui.Selector('audio_mode', audio, selection=audio.audio_modes))
general_settings.append(
ui.Selector('detection_mapping_mode',
g_pool,
label='detection & mapping mode',
setter=set_detection_mapping_mode,
selection=['2d', '3d']))
general_settings.append(
ui.Switch('eye0_process',
label='Detect eye 0',
setter=lambda alive: start_stop_eye(0, alive),
getter=lambda: eyes_are_alive[0].value))
general_settings.append(
ui.Switch('eye1_process',
label='Detect eye 1',
setter=lambda alive: start_stop_eye(1, alive),
getter=lambda: eyes_are_alive[1].value))
general_settings.append(
ui.Selector('Open plugin',
selection=user_launchable_plugins,
labels=[
p.__name__.replace('_', ' ')
for p in user_launchable_plugins
],
setter=open_plugin,
getter=lambda: "Select to load"))
general_settings.append(
ui.Slider('pupil_confidence_threshold',
g_pool,
step=.01,
min=0.,
max=1.,
label='Minimum pupil confidence'))
general_settings.append(
ui.Info_Text('Capture Version: %s' % g_pool.version))
g_pool.sidebar.append(general_settings)
g_pool.calibration_menu = ui.Growing_Menu('Calibration')
g_pool.sidebar.append(g_pool.calibration_menu)
g_pool.gui.append(g_pool.sidebar)
g_pool.quickbar = ui.Stretching_Menu('Quick Bar', (0, 100), (120, -100))
g_pool.gui.append(g_pool.quickbar)
g_pool.capture.init_gui(g_pool.sidebar)
#plugins that are loaded based on user settings from previous session
g_pool.notifications = []
g_pool.delayed_notifications = {}
g_pool.plugins = Plugin_List(
g_pool, plugin_by_name,
session_settings.get('loaded_plugins', default_plugins))
#We add the calibration menu selector, after a calibration has been added:
g_pool.calibration_menu.insert(
0,
ui.Selector(
'active_calibration_plugin',
getter=lambda: g_pool.active_calibration_plugin.__class__,
selection=calibration_plugins,
labels=[p.__name__.replace('_', ' ') for p in calibration_plugins],
setter=open_plugin,
label='Method'))
# Register callbacks main_window
glfw.glfwSetFramebufferSizeCallback(main_window, on_resize)
glfw.glfwSetWindowIconifyCallback(main_window, on_iconify)
glfw.glfwSetKeyCallback(main_window, on_key)
glfw.glfwSetCharCallback(main_window, on_char)
glfw.glfwSetMouseButtonCallback(main_window, on_button)
glfw.glfwSetCursorPosCallback(main_window, on_pos)
glfw.glfwSetScrollCallback(main_window, on_scroll)
# gl_state settings
basic_gl_setup()
g_pool.image_tex = Named_Texture()
g_pool.image_tex.update_from_frame(frame)
# refresh speed settings
glfw.glfwSwapInterval(0)
#trigger setup of window and gl sizes
on_resize(main_window, *glfw.glfwGetFramebufferSize(main_window))
#now the we have aproper window we can load the last gui configuration
g_pool.gui.configuration = session_settings.get('ui_config', {})
#set up performace graphs:
pid = os.getpid()
ps = psutil.Process(pid)
ts = frame.timestamp
cpu_graph = graph.Bar_Graph()
cpu_graph.pos = (20, 130)
cpu_graph.update_fn = ps.cpu_percent
cpu_graph.update_rate = 5
cpu_graph.label = 'CPU %0.1f'
fps_graph = graph.Bar_Graph()
fps_graph.pos = (140, 130)
fps_graph.update_rate = 5
fps_graph.label = "%0.0f FPS"
pupil_graph = graph.Bar_Graph(max_val=1.0)
pupil_graph.pos = (260, 130)
pupil_graph.update_rate = 5
pupil_graph.label = "Confidence: %0.2f"
if session_settings.get('eye1_process_alive', False):
launch_eye_process(1, blocking=True)
if session_settings.get('eye0_process_alive', True):
launch_eye_process(0, blocking=False)
# Event loop
while not glfw.glfwWindowShouldClose(main_window):
# Get an image from the grabber
try:
frame = g_pool.capture.get_frame()
except CameraCaptureError:
logger.error("Capture from camera failed. Starting Fake Capture.")
settings = g_pool.capture.settings
g_pool.capture.close()
g_pool.capture = autoCreateCapture(None, timebase=g_pool.timebase)
g_pool.capture.init_gui(g_pool.sidebar)
g_pool.capture.settings = settings
g_pool.notifications.append({'subject': 'should_stop_recording'})
continue
except EndofVideoFileError:
logger.warning("Video file is done. Stopping")
break
#update performace graphs
t = frame.timestamp
dt, ts = t - ts, t
try:
fps_graph.add(1. / dt)
except ZeroDivisionError:
pass
cpu_graph.update()
#a dictionary that allows plugins to post and read events
events = {}
#report time between now and the last loop interation
events['dt'] = get_dt()
#receive and map pupil positions
recent_pupil_positions = []
while not g_pool.pupil_queue.empty():
p = g_pool.pupil_queue.get()
recent_pupil_positions.append(p)
pupil_graph.add(p['confidence'])
events['pupil_positions'] = recent_pupil_positions
# publish delayed notifiactions when their time has come.
for n in g_pool.delayed_notifications.values():
if n['_notify_time_'] < time():
del n['_notify_time_']
del g_pool.delayed_notifications[n['subject']]
g_pool.notifications.append(n)
# notify each plugin if there are new notifications:
while g_pool.notifications:
n = g_pool.notifications.pop(0)
for p in g_pool.plugins:
p.on_notify(n)
# allow each Plugin to do its work.
for p in g_pool.plugins:
p.update(frame, events)
#check if a plugin need to be destroyed
g_pool.plugins.clean()
# render camera image
glfw.glfwMakeContextCurrent(main_window)
if g_pool.iconified:
pass
else:
g_pool.image_tex.update_from_frame(frame)
glFlush()
make_coord_system_norm_based()
g_pool.image_tex.draw()
make_coord_system_pixel_based((frame.height, frame.width, 3))
# render visual feedback from loaded plugins
for p in g_pool.plugins:
p.gl_display()
if not g_pool.iconified:
graph.push_view()
fps_graph.draw()
cpu_graph.draw()
pupil_graph.draw()
graph.pop_view()
g_pool.gui.update()
glfw.glfwSwapBuffers(main_window)
glfw.glfwPollEvents()
glfw.glfwRestoreWindow(main_window) #need to do this for windows os
session_settings['loaded_plugins'] = g_pool.plugins.get_initializers()
session_settings[
'pupil_confidence_threshold'] = g_pool.pupil_confidence_threshold
session_settings['gui_scale'] = g_pool.gui.scale
session_settings['ui_config'] = g_pool.gui.configuration
session_settings['capture_settings'] = g_pool.capture.settings
session_settings['window_size'] = glfw.glfwGetWindowSize(main_window)
session_settings['window_position'] = glfw.glfwGetWindowPos(main_window)
session_settings['version'] = g_pool.version
session_settings['eye0_process_alive'] = eyes_are_alive[0].value
session_settings['eye1_process_alive'] = eyes_are_alive[1].value
session_settings['detection_mapping_mode'] = g_pool.detection_mapping_mode
session_settings['audio_mode'] = audio.audio_mode
session_settings.close()
# de-init all running plugins
for p in g_pool.plugins:
p.alive = False
g_pool.plugins.clean()
g_pool.gui.terminate()
glfw.glfwDestroyWindow(main_window)
glfw.glfwTerminate()
g_pool.capture.close()
#shut down eye processes:
stop_eye_process(0, blocking=True)
stop_eye_process(1, blocking=True)
#shut down laucher
launcher_pipe.send("Exit")
logger.info("Process Shutting down.")
def world(pupil_queue,timebase,launcher_pipe,eye_pipes,eyes_are_alive,user_dir,version,cap_src):
"""world
Creates a window, gl context.
Grabs images from a capture.
Receives Pupil coordinates from eye process[es]
Can run various plug-ins.
"""
import logging
# Set up root logger for this process before doing imports of logged modules.
logger = logging.getLogger()
logger.setLevel(logging.INFO)
#silence noisy modules
logging.getLogger("OpenGL").setLevel(logging.ERROR)
# create formatter
formatter = logging.Formatter('%(processName)s - [%(levelname)s] %(name)s : %(message)s')
# create file handler which logs even debug messages
fh = logging.FileHandler(os.path.join(user_dir,'capture.log'),mode='w')
fh.setLevel(logger.level)
fh.setFormatter(formatter)
# create console handler with a higher log level
ch = logging.StreamHandler()
ch.setLevel(logger.level+10)
ch.setFormatter(formatter)
# add the handlers to the logger
logger.addHandler(fh)
logger.addHandler(ch)
#setup thread to recv log recrods from other processes.
def log_loop(logging):
import zmq
ctx = zmq.Context()
sub = ctx.socket(zmq.SUB)
sub.bind('tcp://127.0.0.1:502020')
sub.setsockopt(zmq.SUBSCRIBE, "")
while True:
record = sub.recv_pyobj()
logger = logging.getLogger(record.name)
logger.handle(record)
import threading
log_thread = threading.Thread(target=log_loop, args=(logging,))
log_thread.setDaemon(True)
log_thread.start()
# create logger for the context of this function
logger = logging.getLogger(__name__)
# We defer the imports because of multiprocessing.
# Otherwise the world process each process also loads the other imports.
# This is not harmful but unnecessary.
#general imports
from time import time,sleep
import numpy as np
#display
import glfw
from pyglui import ui,graph,cygl
from pyglui.cygl.utils import Named_Texture
from gl_utils import basic_gl_setup,adjust_gl_view, clear_gl_screen,make_coord_system_pixel_based,make_coord_system_norm_based,glFlush
#check versions for our own depedencies as they are fast-changing
from pyglui import __version__ as pyglui_version
assert pyglui_version >= '0.8'
#monitoring
import psutil
# helpers/utils
from file_methods import Persistent_Dict
from methods import normalize, denormalize, delta_t, get_system_info
from video_capture import autoCreateCapture, FileCaptureError, EndofVideoFileError, CameraCaptureError
from version_utils import VersionFormat
import audio
# Plug-ins
from plugin import Plugin_List,import_runtime_plugins
from calibration_routines import calibration_plugins, gaze_mapping_plugins
from recorder import Recorder
from show_calibration import Show_Calibration
from display_recent_gaze import Display_Recent_Gaze
from pupil_server import Pupil_Server
from pupil_sync import Pupil_Sync
from surface_tracker import Surface_Tracker
from log_display import Log_Display
from annotations import Annotation_Capture
from pupil_remote import Pupil_Remote
from log_history import Log_History
logger.info('Application Version: %s'%version)
logger.info('System Info: %s'%get_system_info())
#UI Platform tweaks
if platform.system() == 'Linux':
scroll_factor = 10.0
window_position_default = (0,0)
elif platform.system() == 'Windows':
scroll_factor = 1.0
window_position_default = (8,31)
else:
scroll_factor = 1.0
window_position_default = (0,0)
#g_pool holds variables for this process
g_pool = Global_Container()
# make some constants avaiable
g_pool.user_dir = user_dir
g_pool.version = version
g_pool.app = 'capture'
g_pool.pupil_queue = pupil_queue
g_pool.timebase = timebase
# g_pool.launcher_pipe = launcher_pipe
g_pool.eye_pipes = eye_pipes
g_pool.eyes_are_alive = eyes_are_alive
#manage plugins
runtime_plugins = import_runtime_plugins(os.path.join(g_pool.user_dir,'plugins'))
user_launchable_plugins = [Show_Calibration,Pupil_Remote,Pupil_Server,Pupil_Sync,Surface_Tracker,Annotation_Capture,Log_History]+runtime_plugins
system_plugins = [Log_Display,Display_Recent_Gaze,Recorder]
plugin_by_index = system_plugins+user_launchable_plugins+calibration_plugins+gaze_mapping_plugins
name_by_index = [p.__name__ for p in plugin_by_index]
plugin_by_name = dict(zip(name_by_index,plugin_by_index))
default_plugins = [('Log_Display',{}),('Dummy_Gaze_Mapper',{}),('Display_Recent_Gaze',{}), ('Screen_Marker_Calibration',{}),('Recorder',{})]
# Callback functions
def on_resize(window,w, h):
if not g_pool.iconified:
g_pool.gui.update_window(w,h)
g_pool.gui.collect_menus()
graph.adjust_size(w,h)
adjust_gl_view(w,h)
for p in g_pool.plugins:
p.on_window_resize(window,w,h)
def on_iconify(window,iconified):
g_pool.iconified = iconified
def on_key(window, key, scancode, action, mods):
g_pool.gui.update_key(key,scancode,action,mods)
def on_char(window,char):
g_pool.gui.update_char(char)
def on_button(window,button, action, mods):
g_pool.gui.update_button(button,action,mods)
pos = glfw.glfwGetCursorPos(window)
pos = normalize(pos,glfw.glfwGetWindowSize(main_window))
pos = denormalize(pos,(frame.img.shape[1],frame.img.shape[0]) ) # Position in img pixels
for p in g_pool.plugins:
p.on_click(pos,button,action)
def on_pos(window,x, y):
hdpi_factor = float(glfw.glfwGetFramebufferSize(window)[0]/glfw.glfwGetWindowSize(window)[0])
x,y = x*hdpi_factor,y*hdpi_factor
g_pool.gui.update_mouse(x,y)
def on_scroll(window,x,y):
g_pool.gui.update_scroll(x,y*scroll_factor)
tick = delta_t()
def get_dt():
return next(tick)
# load session persistent settings
session_settings = Persistent_Dict(os.path.join(g_pool.user_dir,'user_settings_world'))
if session_settings.get("version",VersionFormat('0.0')) < g_pool.version:
logger.info("Session setting are from older version of this app. I will not use those.")
session_settings.clear()
# Initialize capture
cap = autoCreateCapture(cap_src, timebase=g_pool.timebase)
default_settings = {'frame_size':(1280,720),'frame_rate':30}
previous_settings = session_settings.get('capture_settings',None)
if previous_settings and previous_settings['name'] == cap.name:
cap.settings = previous_settings
else:
cap.settings = default_settings
# Test capture
try:
frame = cap.get_frame()
except CameraCaptureError:
logger.error("Could not retrieve image from capture")
cap.close()
launcher_pipe.send("Exit")
return
g_pool.iconified = False
g_pool.capture = cap
g_pool.pupil_confidence_threshold = session_settings.get('pupil_confidence_threshold',.6)
g_pool.detection_mapping_mode = session_settings.get('detection_mapping_mode','2d')
g_pool.active_calibration_plugin = None
audio.audio_mode = session_settings.get('audio_mode',audio.default_audio_mode)
def open_plugin(plugin):
if plugin == "Select to load":
return
g_pool.plugins.add(plugin)
def set_scale(new_scale):
g_pool.gui.scale = new_scale
g_pool.gui.collect_menus()
def launch_eye_process(eye_id,blocking=False):
if eyes_are_alive[eye_id].value:
logger.error("Eye%s process already running."%eye_id)
return
launcher_pipe.send(eye_id)
eye_pipes[eye_id].send( ('Set_Detection_Mapping_Mode',g_pool.detection_mapping_mode) )
if blocking:
#wait for ready message from eye to sequentialize startup
eye_pipes[eye_id].send('Ping')
eye_pipes[eye_id].recv()
logger.warning('Eye %s process started.'%eye_id)
def stop_eye_process(eye_id,blocking=False):
if eyes_are_alive[eye_id].value:
eye_pipes[eye_id].send('Exit')
if blocking:
while eyes_are_alive[eye_id].value:
sleep(.1)
def start_stop_eye(eye_id,make_alive):
if make_alive:
launch_eye_process(eye_id)
else:
stop_eye_process(eye_id)
def set_detection_mapping_mode(new_mode):
if new_mode == '2d':
for p in g_pool.plugins:
if "Vector_Gaze_Mapper" in p.class_name:
logger.warning("The gaze mapper is not supported in 2d mode. Please recalibrate.")
p.alive = False
g_pool.plugins.clean()
for alive, pipe in zip(g_pool.eyes_are_alive,g_pool.eye_pipes):
if alive.value:
pipe.send( ('Set_Detection_Mapping_Mode',new_mode) )
g_pool.detection_mapping_mode = new_mode
#window and gl setup
glfw.glfwInit()
width,height = session_settings.get('window_size',(frame.width, frame.height))
main_window = glfw.glfwCreateWindow(width,height, "World")
window_pos = session_settings.get('window_position',window_position_default)
glfw.glfwSetWindowPos(main_window,window_pos[0],window_pos[1])
glfw.glfwMakeContextCurrent(main_window)
cygl.utils.init()
g_pool.main_window = main_window
#setup GUI
g_pool.gui = ui.UI()
g_pool.gui.scale = session_settings.get('gui_scale',1)
g_pool.sidebar = ui.Scrolling_Menu("Settings",pos=(-350,0),size=(0,0),header_pos='left')
general_settings = ui.Growing_Menu('General')
general_settings.append(ui.Slider('scale',g_pool.gui, setter=set_scale,step = .05,min=1.,max=2.5,label='Interface size'))
general_settings.append(ui.Button('Reset window size',lambda: glfw.glfwSetWindowSize(main_window,frame.width,frame.height)) )
general_settings.append(ui.Selector('audio_mode',audio,selection=audio.audio_modes))
general_settings.append(ui.Selector('detection_mapping_mode',g_pool,label='detection & mapping mode',setter=set_detection_mapping_mode,selection=['2d','3d']))
general_settings.append(ui.Switch('eye0_process',label='Detect eye 0',setter=lambda alive: start_stop_eye(0,alive),getter=lambda: eyes_are_alive[0].value ))
general_settings.append(ui.Switch('eye1_process',label='Detect eye 1',setter=lambda alive: start_stop_eye(1,alive),getter=lambda: eyes_are_alive[1].value ))
general_settings.append(ui.Selector('Open plugin', selection = user_launchable_plugins,
labels = [p.__name__.replace('_',' ') for p in user_launchable_plugins],
setter= open_plugin, getter=lambda: "Select to load"))
general_settings.append(ui.Slider('pupil_confidence_threshold', g_pool,step = .01,min=0.,max=1.,label='Minimum pupil confidence'))
general_settings.append(ui.Info_Text('Capture Version: %s'%g_pool.version))
g_pool.sidebar.append(general_settings)
g_pool.calibration_menu = ui.Growing_Menu('Calibration')
g_pool.sidebar.append(g_pool.calibration_menu)
g_pool.gui.append(g_pool.sidebar)
g_pool.quickbar = ui.Stretching_Menu('Quick Bar',(0,100),(120,-100))
g_pool.gui.append(g_pool.quickbar)
g_pool.capture.init_gui(g_pool.sidebar)
#plugins that are loaded based on user settings from previous session
g_pool.notifications = []
g_pool.delayed_notifications = {}
g_pool.plugins = Plugin_List(g_pool,plugin_by_name,session_settings.get('loaded_plugins',default_plugins))
#We add the calibration menu selector, after a calibration has been added:
g_pool.calibration_menu.insert(0,ui.Selector('active_calibration_plugin',getter=lambda: g_pool.active_calibration_plugin.__class__, selection = calibration_plugins,
labels = [p.__name__.replace('_',' ') for p in calibration_plugins],
setter= open_plugin,label='Method'))
# Register callbacks main_window
glfw.glfwSetFramebufferSizeCallback(main_window,on_resize)
glfw.glfwSetWindowIconifyCallback(main_window,on_iconify)
glfw.glfwSetKeyCallback(main_window,on_key)
glfw.glfwSetCharCallback(main_window,on_char)
glfw.glfwSetMouseButtonCallback(main_window,on_button)
glfw.glfwSetCursorPosCallback(main_window,on_pos)
glfw.glfwSetScrollCallback(main_window,on_scroll)
# gl_state settings
basic_gl_setup()
g_pool.image_tex = Named_Texture()
g_pool.image_tex.update_from_frame(frame)
# refresh speed settings
glfw.glfwSwapInterval(0)
#trigger setup of window and gl sizes
on_resize(main_window, *glfw.glfwGetFramebufferSize(main_window))
#now the we have aproper window we can load the last gui configuration
g_pool.gui.configuration = session_settings.get('ui_config',{})
#set up performace graphs:
pid = os.getpid()
ps = psutil.Process(pid)
ts = frame.timestamp
cpu_graph = graph.Bar_Graph()
cpu_graph.pos = (20,130)
cpu_graph.update_fn = ps.cpu_percent
cpu_graph.update_rate = 5
cpu_graph.label = 'CPU %0.1f'
fps_graph = graph.Bar_Graph()
fps_graph.pos = (140,130)
fps_graph.update_rate = 5
fps_graph.label = "%0.0f FPS"
pupil_graph = graph.Bar_Graph(max_val=1.0)
pupil_graph.pos = (260,130)
pupil_graph.update_rate = 5
pupil_graph.label = "Confidence: %0.2f"
if session_settings.get('eye1_process_alive',False):
launch_eye_process(1,blocking=True)
if session_settings.get('eye0_process_alive',True):
launch_eye_process(0,blocking=False)
# Event loop
while not glfw.glfwWindowShouldClose(main_window):
# Get an image from the grabber
try:
frame = g_pool.capture.get_frame()
except CameraCaptureError:
logger.error("Capture from camera failed. Starting Fake Capture.")
settings = g_pool.capture.settings
g_pool.capture.close()
g_pool.capture = autoCreateCapture(None, timebase=g_pool.timebase)
g_pool.capture.init_gui(g_pool.sidebar)
g_pool.capture.settings = settings
g_pool.notifications.append({'subject':'should_stop_recording'})
continue
except EndofVideoFileError:
logger.warning("Video file is done. Stopping")
break
#update performace graphs
t = frame.timestamp
dt,ts = t-ts,t
try:
fps_graph.add(1./dt)
except ZeroDivisionError:
pass
cpu_graph.update()
#a dictionary that allows plugins to post and read events
events = {}
#report time between now and the last loop interation
events['dt'] = get_dt()
#receive and map pupil positions
recent_pupil_positions = []
while not g_pool.pupil_queue.empty():
p = g_pool.pupil_queue.get()
recent_pupil_positions.append(p)
pupil_graph.add(p['confidence'])
events['pupil_positions'] = recent_pupil_positions
# publish delayed notifiactions when their time has come.
for n in g_pool.delayed_notifications.values():
if n['_notify_time_'] < time():
del n['_notify_time_']
del g_pool.delayed_notifications[n['subject']]
g_pool.notifications.append(n)
# notify each plugin if there are new notifications:
while g_pool.notifications:
n = g_pool.notifications.pop(0)
for p in g_pool.plugins:
p.on_notify(n)
# allow each Plugin to do its work.
for p in g_pool.plugins:
p.update(frame,events)
#check if a plugin need to be destroyed
g_pool.plugins.clean()
# render camera image
glfw.glfwMakeContextCurrent(main_window)
if g_pool.iconified:
pass
else:
g_pool.image_tex.update_from_frame(frame)
glFlush()
make_coord_system_norm_based()
g_pool.image_tex.draw()
make_coord_system_pixel_based((frame.height,frame.width,3))
# render visual feedback from loaded plugins
for p in g_pool.plugins:
p.gl_display()
if not g_pool.iconified:
graph.push_view()
fps_graph.draw()
cpu_graph.draw()
pupil_graph.draw()
graph.pop_view()
g_pool.gui.update()
glfw.glfwSwapBuffers(main_window)
glfw.glfwPollEvents()
glfw.glfwRestoreWindow(main_window) #need to do this for windows os
session_settings['loaded_plugins'] = g_pool.plugins.get_initializers()
session_settings['pupil_confidence_threshold'] = g_pool.pupil_confidence_threshold
session_settings['gui_scale'] = g_pool.gui.scale
session_settings['ui_config'] = g_pool.gui.configuration
session_settings['capture_settings'] = g_pool.capture.settings
session_settings['window_size'] = glfw.glfwGetWindowSize(main_window)
session_settings['window_position'] = glfw.glfwGetWindowPos(main_window)
session_settings['version'] = g_pool.version
session_settings['eye0_process_alive'] = eyes_are_alive[0].value
session_settings['eye1_process_alive'] = eyes_are_alive[1].value
session_settings['detection_mapping_mode'] = g_pool.detection_mapping_mode
session_settings['audio_mode'] = audio.audio_mode
session_settings.close()
# de-init all running plugins
for p in g_pool.plugins:
p.alive = False
g_pool.plugins.clean()
g_pool.gui.terminate()
glfw.glfwDestroyWindow(main_window)
glfw.glfwTerminate()
g_pool.capture.close()
#shut down eye processes:
stop_eye_process(0,blocking = True)
stop_eye_process(1,blocking = True)
#shut down laucher
launcher_pipe.send("Exit")
logger.info("Process Shutting down.")
