def _convert_video_file(
input_file,
output_file,
export_range,
world_timestamps,
process_frame,
timestamp_export_format,
):
yield "Export video", 0.0
input_source = File_Source(SimpleNamespace(), input_file, fill_gaps=True)
if not input_source.initialised:
yield "Exporting video failed", 0.0
return
# yield progress results two times per second
update_rate = int(input_source.frame_rate / 2)
export_start, export_stop = export_range # export_stop is exclusive
export_window = pm.exact_window(world_timestamps, (export_start, export_stop - 1))
(export_from_index, export_to_index) = pm.find_closest(
input_source.timestamps, export_window
)
# NOTE: Start time of the export recording will be synced with world recording
# export! This means that if the recording to export started later than the world
# video, the first frame of the exported recording will not be at timestamp 0 in
# the recording, but later. Some video players (e.g. VLC on windows) might display
# the video weirdly in this case, but we rather want syncronization between the
# exported video!
start_time = export_window[0]
writer = MPEG_Writer(output_file, start_time)
input_source.seek_to_frame(export_from_index)
next_update_idx = export_from_index + update_rate
while True:
try:
input_frame = input_source.get_frame()
except EndofVideoError:
break
if input_frame.index >= export_to_index:
break
output_img = process_frame(input_source, input_frame)
output_frame = input_frame
output_frame._img = output_img # it's ._img because .img has no setter
writer.write_video_frame(output_frame)
if input_source.get_frame_index() >= next_update_idx:
progress = (input_source.get_frame_index() - export_from_index) / (
export_to_index - export_from_index
)
yield "Exporting video", progress * 100.0
next_update_idx += update_rate
writer.close(timestamp_export_format)
input_source.cleanup()
yield "Exporting video completed", 100.0
def _convert_video_file(
input_file,
output_file,
export_range,
world_timestamps,
process_frame,
timestamp_export_format,
):
yield "Export video", 0.0
input_source = File_Source(SimpleNamespace(), input_file, fill_gaps=True)
if not input_source.initialised:
yield "Exporting video failed", 0.0
return
# yield progress results two times per second
update_rate = int(input_source.frame_rate / 2)
export_start, export_stop = export_range # export_stop is exclusive
export_window = pm.exact_window(world_timestamps, (export_start, export_stop - 1))
(export_from_index, export_to_index) = pm.find_closest(
input_source.timestamps, export_window
)
writer = AV_Writer(
output_file, fps=input_source.frame_rate, audio_dir=None, use_timestamps=True
)
input_source.seek_to_frame(export_from_index)
next_update_idx = export_from_index + update_rate
while True:
try:
input_frame = input_source.get_frame()
except EndofVideoError:
break
if input_frame.index >= export_to_index:
break
output_img = process_frame(input_source, input_frame)
output_frame = input_frame
output_frame._img = output_img # it's ._img because .img has no setter
writer.write_video_frame(output_frame)
if input_source.get_frame_index() >= next_update_idx:
progress = (input_source.get_frame_index() - export_from_index) / (
export_to_index - export_from_index
)
yield "Exporting video", progress * 100.0
next_update_idx += update_rate
writer.close(timestamp_export_format)
input_source.cleanup()
yield "Exporting video completed", 100.0
def _convert_video_file(
input_file,
output_file,
export_range,
world_timestamps,
process_frame,
timestamp_export_format,
):
yield "Export video", 0.0
input_source = File_Source(EmptyGPool(), input_file, fill_gaps=True)
if not input_source.initialised:
yield "Exporting video failed", 0.0
return
# yield progress results two times per second
update_rate = int(input_source.frame_rate / 2)
export_start, export_stop = export_range # export_stop is exclusive
export_window = pm.exact_window(world_timestamps,
(export_start, export_stop - 1))
(export_from_index,
export_to_index) = pm.find_closest(input_source.timestamps, export_window)
writer = AV_Writer(output_file,
fps=input_source.frame_rate,
audio_dir=None,
use_timestamps=True)
input_source.seek_to_frame(export_from_index)
next_update_idx = export_from_index + update_rate
while True:
try:
input_frame = input_source.get_frame()
except EndofVideoError:
break
if input_frame.index >= export_to_index:
break
output_img = process_frame(input_source, input_frame)
output_frame = input_frame
output_frame._img = output_img # it's ._img because .img has no setter
writer.write_video_frame(output_frame)
if input_source.get_frame_index() >= next_update_idx:
progress = (input_source.get_frame_index() - export_from_index) / (
export_to_index - export_from_index)
yield "Exporting video", progress * 100.0
next_update_idx += update_rate
writer.close(timestamp_export_format)
input_source.cleanup()
yield "Exporting video completed", 100.0
def fill_cache(visited_list,video_file_path,timestamps,q,seek_idx,run,min_marker_perimeter):
'''
this function is part of marker_detector it is run as a seperate process.
it must be kept in a seperate file for namespace sanatisation
'''
import os
#import logging
#logger = logging.getLogger(__name__+' with pid: '+str(os.getpid()) )
#logger.debug('Started cacher process for Marker Detector')
import cv2
from video_capture import File_Source, EndofVideoFileError,FileSeekError
from screen_detector_methods import detect_screens
#aperture = 9
markers = []
cap = File_Source(Global_Container(),video_file_path,timestamps=timestamps)
def next_unvisited_idx(frame_idx):
try:
visited = visited_list[frame_idx]
except IndexError:
visited = True # trigger search
if not visited:
next_unvisited = frame_idx
else:
# find next unvisited site in the future
try:
next_unvisited = visited_list.index(False,frame_idx)
except ValueError:
# any thing in the past?
try:
next_unvisited = visited_list.index(False,0,frame_idx)
except ValueError:
#no unvisited sites left. Done!
#logger.debug("Caching completed.")
next_unvisited = None
return next_unvisited
def handle_frame(next):
if next != cap.get_frame_index():
#we need to seek:
#logger.debug("Seeking to Frame %s" %next)
try:
cap.seek_to_frame(next)
except FileSeekError:
#could not seek to requested position
#logger.warning("Could not evaluate frame: %s."%next)
visited_list[next] = True # this frame is now visited.
q.put((next,[])) # we cannot look at the frame, report no detection
return
#seeking invalidates prev markers for the detector
markers[:] = []
try:
frame = cap.get_frame_nowait()
except EndofVideoFileError:
#logger.debug("Video File's last frame(s) not accesible")
#could not read frame
#logger.warning("Could not evaluate frame: %s."%next)
visited_list[next] = True # this frame is now visited.
q.put((next,[])) # we cannot look at the frame, report no detection
return
markers[:] = detect_screens(frame.gray)
visited_list[frame.index] = True
q.put((frame.index,markers[:])) #object passed will only be pickeled when collected from other process! need to make a copy ot avoid overwrite!!!
while run.value:
next = cap.get_frame_index()
if seek_idx.value != -1:
next = seek_idx.value
seek_idx.value = -1
#logger.debug("User required seek. Marker caching at Frame: %s"%next)
#check the visited list
next = next_unvisited_idx(next)
if next == None:
#we are done here:
break
else:
handle_frame(next)
#logger.debug("Closing Cacher Process")
cap.cleanup()
q.close()
run.value = False
return
def fill_cache(visited_list, video_file_path, timestamps, q, seek_idx, run,
min_marker_perimeter):
'''
this function is part of marker_detector it is run as a seperate process.
it must be kept in a seperate file for namespace sanatisation
'''
import os
import logging
logger = logging.getLogger(__name__ + ' with pid: ' + str(os.getpid()))
logger.debug('Started cacher process for Marker Detector')
import cv2
from video_capture import File_Source, EndofVideoFileError, FileSeekError
from square_marker_detect import detect_markers_robust
aperture = 9
markers = []
cap = File_Source(Global_Container(),
video_file_path,
timestamps=timestamps)
def next_unvisited_idx(frame_idx):
try:
visited = visited_list[frame_idx]
except IndexError:
visited = True # trigger search
if not visited:
next_unvisited = frame_idx
else:
# find next unvisited site in the future
try:
next_unvisited = visited_list.index(False, frame_idx)
except ValueError:
# any thing in the past?
try:
next_unvisited = visited_list.index(False, 0, frame_idx)
except ValueError:
#no unvisited sites left. Done!
logger.debug("Caching completed.")
next_unvisited = None
return next_unvisited
def handle_frame(next):
if next != cap.get_frame_index():
#we need to seek:
logger.debug("Seeking to Frame %s" % next)
try:
cap.seek_to_frame(next)
except FileSeekError:
#could not seek to requested position
logger.warning("Could not evaluate frame: %s." % next)
visited_list[next] = True # this frame is now visited.
q.put((next,
[])) # we cannot look at the frame, report no detection
return
#seeking invalidates prev markers for the detector
markers[:] = []
try:
frame = cap.get_frame_nowait()
except EndofVideoFileError:
logger.debug("Video File's last frame(s) not accesible")
#could not read frame
logger.warning("Could not evaluate frame: %s." % next)
visited_list[next] = True # this frame is now visited.
q.put(
(next, [])) # we cannot look at the frame, report no detection
return
markers[:] = detect_markers_robust(
frame.gray,
grid_size=5,
prev_markers=markers,
min_marker_perimeter=min_marker_perimeter,
aperture=aperture,
visualize=0,
true_detect_every_frame=1)
visited_list[frame.index] = True
q.put(
(frame.index, markers[:])
) #object passed will only be pickeled when collected from other process! need to make a copy ot avoid overwrite!!!
while run.value:
next = cap.get_frame_index()
if seek_idx.value != -1:
next = seek_idx.value
seek_idx.value = -1
logger.debug("User required seek. Marker caching at Frame: %s" %
next)
#check the visited list
next = next_unvisited_idx(next)
if next == None:
#we are done here:
break
else:
handle_frame(next)
logger.debug("Closing Cacher Process")
cap.cleanup()
q.close()
run.value = False
return
def export_undistorted_h264(distorted_video_loc, target_video_loc,
export_range):
yield "Converting scene video", .1
capture = File_Source(Empty(), distorted_video_loc)
if not capture.initialised:
yield "Converting scene video failed", 0.
return
update_rate = 10
start_time = None
time_base = Fraction(1, 65535)
average_fps = int(
len(capture.timestamps) /
(capture.timestamps[-1] - capture.timestamps[0]))
target_container = av.open(target_video_loc, 'w')
video_stream = target_container.add_stream('mpeg4', 1 / time_base)
video_stream.bit_rate = 150e6
video_stream.bit_rate_tolerance = video_stream.bit_rate / 20
video_stream.thread_count = max(1, mp.cpu_count() - 1)
video_stream.width, video_stream.height = capture.frame_size
av_frame = av.VideoFrame(*capture.frame_size, 'bgr24')
av_frame.time_base = time_base
capture.seek_to_frame(export_range[0])
next_update_idx = export_range[0] + update_rate
while True:
try:
frame = capture.get_frame()
except EndofVideoError:
break
if frame.index > export_range[1]:
break
if start_time is None:
start_time = frame.timestamp
undistorted_img = capture.intrinsics.undistort(frame.img)
av_frame.planes[0].update(undistorted_img)
av_frame.pts = int((frame.timestamp - start_time) / time_base)
packet = video_stream.encode(av_frame)
if packet:
target_container.mux(packet)
if capture.current_frame_idx >= next_update_idx:
progress = ((capture.current_frame_idx - export_range[0]) /
(export_range[1] - export_range[0])) * .9 + .1
yield "Converting scene video", progress * 100.
next_update_idx += update_rate
while True: # flush encoder
packet = video_stream.encode()
if packet:
target_container.mux(packet)
else:
break
target_container.close()
capture.cleanup()
yield "Converting scene video completed", 1. * 100.
def session(rec_dir):
system_plugins = [Log_Display, Seek_Bar, Trim_Marks]
vis_plugins = sorted([Vis_Circle, Vis_Fixation, Vis_Polyline, Vis_Light_Points, Vis_Cross,
Vis_Watermark, Vis_Eye_Video_Overlay, Vis_Scan_Path], key=lambda x: x.__name__)
analysis_plugins = sorted([Gaze_Position_2D_Fixation_Detector, Pupil_Angle_3D_Fixation_Detector,
Manual_Gaze_Correction, Video_Export_Launcher, Offline_Surface_Tracker,
Raw_Data_Exporter, Batch_Exporter, Annotation_Player], key=lambda x: x.__name__)
other_plugins = sorted([Show_Calibration, Log_History, Marker_Auto_Trim_Marks], key=lambda x: x.__name__)
user_plugins = sorted(import_runtime_plugins(os.path.join(user_dir, 'plugins')), key=lambda x: x.__name__)
user_launchable_plugins = vis_plugins + analysis_plugins + other_plugins + user_plugins
available_plugins = system_plugins + user_launchable_plugins
name_by_index = [p.__name__ for p in available_plugins]
plugin_by_name = dict(zip(name_by_index, available_plugins))
# Callback functions
def on_resize(window, w, h):
g_pool.gui.update_window(w, h)
g_pool.gui.collect_menus()
graph.adjust_size(w, h)
gl_utils.adjust_gl_view(w, h)
for p in g_pool.plugins:
p.on_window_resize(window, w, h)
def on_key(window, key, scancode, action, mods):
g_pool.gui.update_key(key, scancode, action, mods)
def on_char(window, char):
g_pool.gui.update_char(char)
def on_button(window, button, action, mods):
g_pool.gui.update_button(button, action, mods)
pos = glfwGetCursorPos(window)
pos = normalize(pos, glfwGetWindowSize(window))
pos = denormalize(pos, (frame.img.shape[1], frame.img.shape[0])) # Position in img pixels
for p in g_pool.plugins:
p.on_click(pos, button, action)
def on_pos(window, x, y):
hdpi_factor = float(glfwGetFramebufferSize(window)[0]/glfwGetWindowSize(window)[0])
g_pool.gui.update_mouse(x*hdpi_factor, y*hdpi_factor)
def on_scroll(window, x, y):
g_pool.gui.update_scroll(x, y*scroll_factor)
def on_drop(window, count, paths):
for x in range(count):
new_rec_dir = paths[x].decode('utf-8')
if is_pupil_rec_dir(new_rec_dir):
logger.debug("Starting new session with '{}'".format(new_rec_dir))
global rec_dir
rec_dir = new_rec_dir
glfwSetWindowShouldClose(window, True)
else:
logger.error("'{}' is not a valid pupil recording".format(new_rec_dir))
tick = delta_t()
def get_dt():
return next(tick)
update_recording_to_recent(rec_dir)
video_path = [f for f in glob(os.path.join(rec_dir, "world.*")) if f[-3:] in ('mp4', 'mkv', 'avi')][0]
timestamps_path = os.path.join(rec_dir, "world_timestamps.npy")
pupil_data_path = os.path.join(rec_dir, "pupil_data")
meta_info = load_meta_info(rec_dir)
rec_version = read_rec_version(meta_info)
app_version = get_version(version_file)
# log info about Pupil Platform and Platform in player.log
logger.info('Application Version: {}'.format(app_version))
logger.info('System Info: {}'.format(get_system_info()))
timestamps = np.load(timestamps_path)
# create container for globally scoped vars
g_pool = Global_Container()
g_pool.app = 'player'
# Initialize capture
cap = File_Source(g_pool, video_path, timestamps=list(timestamps))
# load session persistent settings
session_settings = Persistent_Dict(os.path.join(user_dir, "user_settings"))
if session_settings.get("version", VersionFormat('0.0')) < get_version(version_file):
logger.info("Session setting are from older version of this app. I will not use those.")
session_settings.clear()
width, height = session_settings.get('window_size', cap.frame_size)
window_pos = session_settings.get('window_position', window_position_default)
main_window = glfwCreateWindow(width, height, "Pupil Player: "+meta_info["Recording Name"]+" - "
+ rec_dir.split(os.path.sep)[-1], None, None)
glfwSetWindowPos(main_window, window_pos[0], window_pos[1])
glfwMakeContextCurrent(main_window)
cygl.utils.init()
# load pupil_positions, gaze_positions
pupil_data = load_object(pupil_data_path)
pupil_list = pupil_data['pupil_positions']
gaze_list = pupil_data['gaze_positions']
g_pool.binocular = meta_info.get('Eye Mode', 'monocular') == 'binocular'
g_pool.version = app_version
g_pool.capture = cap
g_pool.timestamps = timestamps
g_pool.play = False
g_pool.new_seek = True
g_pool.user_dir = user_dir
g_pool.rec_dir = rec_dir
g_pool.rec_version = rec_version
g_pool.meta_info = meta_info
g_pool.min_data_confidence = session_settings.get('min_data_confidence', 0.6)
g_pool.pupil_positions_by_frame = correlate_data(pupil_list, g_pool.timestamps)
g_pool.gaze_positions_by_frame = correlate_data(gaze_list, g_pool.timestamps)
g_pool.fixations_by_frame = [[] for x in g_pool.timestamps] # populated by the fixation detector plugin
def next_frame(_):
try:
cap.seek_to_frame(cap.get_frame_index())
except(FileSeekError):
logger.warning("Could not seek to next frame.")
else:
g_pool.new_seek = True
def prev_frame(_):
try:
cap.seek_to_frame(cap.get_frame_index()-2)
except(FileSeekError):
logger.warning("Could not seek to previous frame.")
else:
g_pool.new_seek = True
def toggle_play(new_state):
if cap.get_frame_index() >= cap.get_frame_count()-5:
cap.seek_to_frame(1) # avoid pause set by hitting trimmark pause.
logger.warning("End of video - restart at beginning.")
g_pool.play = new_state
def set_scale(new_scale):
g_pool.gui.scale = new_scale
g_pool.gui.collect_menus()
def set_data_confidence(new_confidence):
g_pool.min_data_confidence = new_confidence
notification = {'subject': 'min_data_confidence_changed'}
notification['_notify_time_'] = time()+.8
g_pool.delayed_notifications[notification['subject']] = notification
def open_plugin(plugin):
if plugin == "Select to load":
return
g_pool.plugins.add(plugin)
def purge_plugins():
for p in g_pool.plugins:
if p.__class__ in user_launchable_plugins:
p.alive = False
g_pool.plugins.clean()
def do_export(_):
export_range = slice(g_pool.trim_marks.in_mark, g_pool.trim_marks.out_mark)
export_dir = os.path.join(g_pool.rec_dir, 'exports', '{}-{}'.format(export_range.start, export_range.stop))
try:
os.makedirs(export_dir)
except OSError as e:
if e.errno != errno.EEXIST:
logger.error("Could not create export dir")
raise e
else:
overwrite_warning = "Previous export for range [{}-{}] already exsits - overwriting."
logger.warning(overwrite_warning.format(export_range.start, export_range.stop))
else:
logger.info('Created export dir at "{}"'.format(export_dir))
notification = {'subject': 'should_export', 'range': export_range, 'export_dir': export_dir}
g_pool.notifications.append(notification)
g_pool.gui = ui.UI()
g_pool.gui.scale = session_settings.get('gui_scale', 1)
g_pool.main_menu = ui.Scrolling_Menu("Settings", pos=(-350, 20), size=(300, 500))
g_pool.main_menu.append(ui.Button("Close Pupil Player", lambda: glfwSetWindowShouldClose(main_window, True)))
g_pool.main_menu.append(ui.Slider('scale', g_pool.gui, setter=set_scale, step=.05, min=0.75, max=2.5, label='Interface Size'))
g_pool.main_menu.append(ui.Info_Text('Player Version: {}'.format(g_pool.version)))
g_pool.main_menu.append(ui.Info_Text('Recording Version: {}'.format(rec_version)))
g_pool.main_menu.append(ui.Slider('min_data_confidence', g_pool, setter=set_data_confidence,
step=.05, min=0.0, max=1.0, label='Confidence threshold'))
selector_label = "Select to load"
vis_labels = [" " + p.__name__.replace('_', ' ') for p in vis_plugins]
analysis_labels = [" " + p.__name__.replace('_', ' ') for p in analysis_plugins]
other_labels = [" " + p.__name__.replace('_', ' ') for p in other_plugins]
user_labels = [" " + p.__name__.replace('_', ' ') for p in user_plugins]
plugins = ([selector_label, selector_label] + vis_plugins + [selector_label] + analysis_plugins + [selector_label]
+ other_plugins + [selector_label] + user_plugins)
labels = ([selector_label, "Visualization"] + vis_labels + ["Analysis"] + analysis_labels + ["Other"]
+ other_labels + ["User added"] + user_labels)
g_pool.main_menu.append(ui.Selector('Open plugin:',
selection=plugins,
labels=labels,
setter=open_plugin,
getter=lambda: selector_label))
g_pool.main_menu.append(ui.Button('Close all plugins', purge_plugins))
g_pool.main_menu.append(ui.Button('Reset window size',
lambda: glfwSetWindowSize(main_window, cap.frame_size[0], cap.frame_size[1])))
g_pool.quickbar = ui.Stretching_Menu('Quick Bar', (0, 100), (120, -100))
g_pool.play_button = ui.Thumb('play',
g_pool,
label=chr(0xf04b),
setter=toggle_play,
hotkey=GLFW_KEY_SPACE,
label_font='fontawesome',
label_offset_x=5,
label_offset_y=0,
label_offset_size=-24)
g_pool.play_button.on_color[:] = (0, 1., .0, .8)
g_pool.forward_button = ui.Thumb('forward',
label=chr(0xf04e),
getter=lambda: False,
setter=next_frame,
hotkey=GLFW_KEY_RIGHT,
label_font='fontawesome',
label_offset_x=5,
label_offset_y=0,
label_offset_size=-24)
g_pool.backward_button = ui.Thumb('backward',
label=chr(0xf04a),
getter=lambda: False,
setter=prev_frame,
hotkey=GLFW_KEY_LEFT,
label_font='fontawesome',
label_offset_x=-5,
label_offset_y=0,
label_offset_size=-24)
g_pool.export_button = ui.Thumb('export',
label=chr(0xf063),
getter=lambda: False,
setter=do_export,
hotkey='e',
label_font='fontawesome',
label_offset_x=0,
label_offset_y=2,
label_offset_size=-24)
g_pool.quickbar.extend([g_pool.play_button, g_pool.forward_button, g_pool.backward_button, g_pool.export_button])
g_pool.gui.append(g_pool.quickbar)
g_pool.gui.append(g_pool.main_menu)
# we always load these plugins
system_plugins = [('Trim_Marks', {}), ('Seek_Bar', {})]
default_plugins = [('Log_Display', {}), ('Vis_Scan_Path', {}), ('Vis_Polyline', {}), ('Vis_Circle', {}), ('Video_Export_Launcher', {})]
previous_plugins = session_settings.get('loaded_plugins', default_plugins)
g_pool.notifications = []
g_pool.delayed_notifications = {}
g_pool.plugins = Plugin_List(g_pool, plugin_by_name, system_plugins+previous_plugins)
# Register callbacks main_window
glfwSetFramebufferSizeCallback(main_window, on_resize)
glfwSetKeyCallback(main_window, on_key)
glfwSetCharCallback(main_window, on_char)
glfwSetMouseButtonCallback(main_window, on_button)
glfwSetCursorPosCallback(main_window, on_pos)
glfwSetScrollCallback(main_window, on_scroll)
glfwSetDropCallback(main_window, on_drop)
# trigger on_resize
on_resize(main_window, *glfwGetFramebufferSize(main_window))
g_pool.gui.configuration = session_settings.get('ui_config', {})
# gl_state settings
gl_utils.basic_gl_setup()
g_pool.image_tex = Named_Texture()
# set up performace graphs:
pid = os.getpid()
ps = psutil.Process(pid)
ts = None
cpu_graph = graph.Bar_Graph()
cpu_graph.pos = (20, 110)
cpu_graph.update_fn = ps.cpu_percent
cpu_graph.update_rate = 5
cpu_graph.label = 'CPU %0.1f'
fps_graph = graph.Bar_Graph()
fps_graph.pos = (140, 110)
fps_graph.update_rate = 5
fps_graph.label = "%0.0f REC FPS"
pupil_graph = graph.Bar_Graph(max_val=1.0)
pupil_graph.pos = (260, 110)
pupil_graph.update_rate = 5
pupil_graph.label = "Confidence: %0.2f"
while not glfwWindowShouldClose(main_window):
# grab new frame
if g_pool.play or g_pool.new_seek:
g_pool.new_seek = False
try:
new_frame = cap.get_frame_nowait()
except EndofVideoFileError:
# end of video logic: pause at last frame.
g_pool.play = False
logger.warning("end of video")
update_graph = True
else:
update_graph = False
frame = new_frame.copy()
events = {}
# report time between now and the last loop interation
events['dt'] = get_dt()
# new positons we make a deepcopy just like the image is a copy.
events['gaze_positions'] = deepcopy(g_pool.gaze_positions_by_frame[frame.index])
events['pupil_positions'] = deepcopy(g_pool.pupil_positions_by_frame[frame.index])
if update_graph:
# update performace graphs
for p in events['pupil_positions']:
pupil_graph.add(p['confidence'])
t = new_frame.timestamp
if ts and ts != t:
dt, ts = t-ts, t
fps_graph.add(1./dt)
else:
ts = new_frame.timestamp
g_pool.play_button.status_text = str(frame.index)
# always update the CPU graph
cpu_graph.update()
# publish delayed notifiactions when their time has come.
for n in list(g_pool.delayed_notifications.values()):
if n['_notify_time_'] < time():
del n['_notify_time_']
del g_pool.delayed_notifications[n['subject']]
g_pool.notifications.append(n)
# notify each plugin if there are new notifactions:
while g_pool.notifications:
n = g_pool.notifications.pop(0)
for p in g_pool.plugins:
p.on_notify(n)
# allow each Plugin to do its work.
for p in g_pool.plugins:
p.update(frame, events)
# check if a plugin need to be destroyed
g_pool.plugins.clean()
# render camera image
glfwMakeContextCurrent(main_window)
gl_utils.make_coord_system_norm_based()
g_pool.image_tex.update_from_frame(frame)
g_pool.image_tex.draw()
gl_utils.make_coord_system_pixel_based(frame.img.shape)
# render visual feedback from loaded plugins
for p in g_pool.plugins:
p.gl_display()
graph.push_view()
fps_graph.draw()
cpu_graph.draw()
pupil_graph.draw()
graph.pop_view()
g_pool.gui.update()
# present frames at appropriate speed
cap.wait(frame)
glfwSwapBuffers(main_window)
glfwPollEvents()
session_settings['loaded_plugins'] = g_pool.plugins.get_initializers()
session_settings['min_data_confidence'] = g_pool.min_data_confidence
session_settings['gui_scale'] = g_pool.gui.scale
session_settings['ui_config'] = g_pool.gui.configuration
session_settings['window_size'] = glfwGetWindowSize(main_window)
session_settings['window_position'] = glfwGetWindowPos(main_window)
session_settings['version'] = g_pool.version
session_settings.close()
# de-init all running plugins
for p in g_pool.plugins:
p.alive = False
g_pool.plugins.clean()
cap.cleanup()
g_pool.gui.terminate()
glfwDestroyWindow(main_window)
def player(rec_dir, ipc_pub_url, ipc_sub_url,
ipc_push_url, user_dir, app_version):
# general imports
import logging
import errno
from glob import glob
from copy import deepcopy
from time import time
# networking
import zmq
import zmq_tools
# zmq ipc setup
zmq_ctx = zmq.Context()
ipc_pub = zmq_tools.Msg_Dispatcher(zmq_ctx, ipc_push_url)
notify_sub = zmq_tools.Msg_Receiver(zmq_ctx, ipc_sub_url, topics=('notify',))
# log setup
logging.getLogger("OpenGL").setLevel(logging.ERROR)
logger = logging.getLogger()
logger.handlers = []
logger.setLevel(logging.INFO)
logger.addHandler(zmq_tools.ZMQ_handler(zmq_ctx, ipc_push_url))
# create logger for the context of this function
logger = logging.getLogger(__name__)
# imports
from file_methods import Persistent_Dict, load_object
import numpy as np
# display
import glfw
# check versions for our own depedencies as they are fast-changing
from pyglui import __version__ as pyglui_version
from pyglui import ui, graph, cygl
from pyglui.cygl.utils import Named_Texture
import gl_utils
# capture
from video_capture import File_Source, EndofVideoFileError, FileSeekError
# helpers/utils
from version_utils import VersionFormat
from methods import normalize, denormalize, delta_t, get_system_info
from player_methods import correlate_data, is_pupil_rec_dir, load_meta_info
# monitoring
import psutil
# Plug-ins
from plugin import Plugin, Plugin_List, import_runtime_plugins, Visualizer_Plugin_Base, Analysis_Plugin_Base, Producer_Plugin_Base
from vis_circle import Vis_Circle
from vis_cross import Vis_Cross
from vis_polyline import Vis_Polyline
from vis_light_points import Vis_Light_Points
from vis_watermark import Vis_Watermark
from vis_fixation import Vis_Fixation
from vis_scan_path import Vis_Scan_Path
from vis_eye_video_overlay import Vis_Eye_Video_Overlay
from seek_bar import Seek_Bar
from trim_marks import Trim_Marks
from video_export_launcher import Video_Export_Launcher
from offline_surface_tracker import Offline_Surface_Tracker
from marker_auto_trim_marks import Marker_Auto_Trim_Marks
from fixation_detector import Gaze_Position_2D_Fixation_Detector, Pupil_Angle_3D_Fixation_Detector
# from manual_gaze_correction import Manual_Gaze_Correction
from batch_exporter import Batch_Exporter
from log_display import Log_Display
from annotations import Annotation_Player
from raw_data_exporter import Raw_Data_Exporter
from log_history import Log_History
from pupil_producers import Pupil_From_Recording, Offline_Pupil_Detection
from gaze_producers import Gaze_From_Recording, Offline_Calibration
assert pyglui_version >= '1.5'
runtime_plugins = import_runtime_plugins(os.path.join(user_dir, 'plugins'))
system_plugins = [Log_Display, Seek_Bar, Trim_Marks]
user_launchable_plugins = [Vis_Circle, Vis_Fixation, Vis_Polyline, Vis_Light_Points, Vis_Cross, Vis_Watermark,
Vis_Eye_Video_Overlay, Vis_Scan_Path, Gaze_Position_2D_Fixation_Detector,
Pupil_Angle_3D_Fixation_Detector, Video_Export_Launcher,
Offline_Surface_Tracker, Raw_Data_Exporter, Batch_Exporter, Annotation_Player,
Log_History, Marker_Auto_Trim_Marks, Pupil_From_Recording, Offline_Pupil_Detection,
Gaze_From_Recording, Offline_Calibration] + runtime_plugins
available_plugins = system_plugins + user_launchable_plugins
name_by_index = [p.__name__ for p in available_plugins]
plugin_by_name = dict(zip(name_by_index, available_plugins))
# Callback functions
def on_resize(window, w, h):
if gl_utils.is_window_visible(window):
hdpi_factor = float(glfw.glfwGetFramebufferSize(window)[0] / glfw.glfwGetWindowSize(window)[0])
g_pool.gui.scale = g_pool.gui_user_scale * hdpi_factor
g_pool.gui.update_window(w, h)
g_pool.gui.collect_menus()
for g in g_pool.graphs:
g.scale = hdpi_factor
g.adjust_window_size(w, h)
gl_utils.adjust_gl_view(w, h)
for p in g_pool.plugins:
p.on_window_resize(window, w, h)
def on_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)
def on_pos(window, x, y):
hdpi_factor = float(glfw.glfwGetFramebufferSize(window)[0]/glfw.glfwGetWindowSize(window)[0])
g_pool.gui.update_mouse(x*hdpi_factor, y*hdpi_factor)
def on_scroll(window, x, y):
g_pool.gui.update_scroll(x, y*scroll_factor)
def on_drop(window, count, paths):
for x in range(count):
new_rec_dir = paths[x].decode('utf-8')
if is_pupil_rec_dir(new_rec_dir):
logger.debug("Starting new session with '{}'".format(new_rec_dir))
ipc_pub.notify({"subject": "player_drop_process.should_start", "rec_dir": new_rec_dir})
glfw.glfwSetWindowShouldClose(window, True)
else:
logger.error("'{}' is not a valid pupil recording".format(new_rec_dir))
tick = delta_t()
def get_dt():
return next(tick)
video_path = [f for f in glob(os.path.join(rec_dir, "world.*"))
if os.path.splitext(f)[1] in ('.mp4', '.mkv', '.avi', '.h264', '.mjpeg')][0]
timestamps_path = os.path.join(rec_dir, "world_timestamps.npy")
pupil_data_path = os.path.join(rec_dir, "pupil_data")
meta_info = load_meta_info(rec_dir)
# log info about Pupil Platform and Platform in player.log
logger.info('Application Version: {}'.format(app_version))
logger.info('System Info: {}'.format(get_system_info()))
timestamps = np.load(timestamps_path)
# create container for globally scoped vars
g_pool = Global_Container()
g_pool.app = 'player'
g_pool.zmq_ctx = zmq_ctx
g_pool.ipc_pub = ipc_pub
g_pool.ipc_pub_url = ipc_pub_url
g_pool.ipc_sub_url = ipc_sub_url
g_pool.ipc_push_url = ipc_push_url
# Initialize capture
cap = File_Source(g_pool, video_path, timestamps=list(timestamps))
# load session persistent settings
session_settings = Persistent_Dict(os.path.join(user_dir, "user_settings"))
if VersionFormat(session_settings.get("version", '0.0')) != app_version:
logger.info("Session setting are a different version of this app. I will not use those.")
session_settings.clear()
width, height = session_settings.get('window_size', cap.frame_size)
window_pos = session_settings.get('window_position', window_position_default)
glfw.glfwInit()
main_window = glfw.glfwCreateWindow(width, height, "Pupil Player: "+meta_info["Recording Name"]+" - "
+ rec_dir.split(os.path.sep)[-1], None, None)
glfw.glfwSetWindowPos(main_window, window_pos[0], window_pos[1])
glfw.glfwMakeContextCurrent(main_window)
cygl.utils.init()
def set_scale(new_scale):
g_pool.gui_user_scale = new_scale
on_resize(main_window, *glfw.glfwGetFramebufferSize(main_window))
# load pupil_positions, gaze_positions
g_pool.pupil_data = load_object(pupil_data_path)
g_pool.binocular = meta_info.get('Eye Mode', 'monocular') == 'binocular'
g_pool.version = app_version
g_pool.capture = cap
g_pool.timestamps = timestamps
g_pool.get_timestamp = lambda: 0.
g_pool.play = False
g_pool.new_seek = True
g_pool.user_dir = user_dir
g_pool.rec_dir = rec_dir
g_pool.meta_info = meta_info
g_pool.min_data_confidence = session_settings.get('min_data_confidence', 0.6)
g_pool.pupil_positions = []
g_pool.gaze_positions = []
g_pool.fixations = []
g_pool.notifications_by_frame = correlate_data(g_pool.pupil_data['notifications'], g_pool.timestamps)
g_pool.pupil_positions_by_frame = [[] for x in g_pool.timestamps] # populated by producer`
g_pool.gaze_positions_by_frame = [[] for x in g_pool.timestamps] # populated by producer
g_pool.fixations_by_frame = [[] for x in g_pool.timestamps] # populated by the fixation detector plugin
def next_frame(_):
try:
cap.seek_to_frame(cap.get_frame_index() + 1)
except(FileSeekError):
logger.warning("Could not seek to next frame.")
else:
g_pool.new_seek = True
def prev_frame(_):
try:
cap.seek_to_frame(cap.get_frame_index() - 1)
except(FileSeekError):
logger.warning("Could not seek to previous frame.")
else:
g_pool.new_seek = True
def toggle_play(new_state):
if cap.get_frame_index() >= cap.get_frame_count()-5:
cap.seek_to_frame(1) # avoid pause set by hitting trimmark pause.
logger.warning("End of video - restart at beginning.")
g_pool.play = new_state
def set_data_confidence(new_confidence):
g_pool.min_data_confidence = new_confidence
notification = {'subject': 'min_data_confidence_changed'}
notification['_notify_time_'] = time()+.8
g_pool.ipc_pub.notify(notification)
def open_plugin(plugin):
if plugin == "Select to load":
return
g_pool.plugins.add(plugin)
def purge_plugins():
for p in g_pool.plugins:
if p.__class__ in user_launchable_plugins:
p.alive = False
g_pool.plugins.clean()
def do_export(_):
export_range = g_pool.trim_marks.in_mark, g_pool.trim_marks.out_mark
export_dir = os.path.join(g_pool.rec_dir, 'exports', '{}-{}'.format(*export_range))
try:
os.makedirs(export_dir)
except OSError as e:
if e.errno != errno.EEXIST:
logger.error("Could not create export dir")
raise e
else:
overwrite_warning = "Previous export for range [{}-{}] already exsits - overwriting."
logger.warning(overwrite_warning.format(*export_range))
else:
logger.info('Created export dir at "{}"'.format(export_dir))
notification = {'subject': 'should_export', 'range': export_range, 'export_dir': export_dir}
g_pool.ipc_pub.notify(notification)
g_pool.gui = ui.UI()
g_pool.gui_user_scale = session_settings.get('gui_scale', 1.)
g_pool.main_menu = ui.Scrolling_Menu("Settings", pos=(-350, 20), size=(300, 560))
g_pool.main_menu.append(ui.Button('Reset window size',
lambda: glfw.glfwSetWindowSize(main_window, cap.frame_size[0], cap.frame_size[1])))
g_pool.main_menu.append(ui.Selector('gui_user_scale', g_pool, setter=set_scale, selection=[.8, .9, 1., 1.1, 1.2], label='Interface Size'))
g_pool.main_menu.append(ui.Info_Text('Player Version: {}'.format(g_pool.version)))
g_pool.main_menu.append(ui.Info_Text('Capture Version: {}'.format(meta_info['Capture Software Version'])))
g_pool.main_menu.append(ui.Info_Text('Data Format Version: {}'.format(meta_info['Data Format Version'])))
g_pool.main_menu.append(ui.Slider('min_data_confidence', g_pool, setter=set_data_confidence,
step=.05, min=0.0, max=1.0, label='Confidence threshold'))
g_pool.main_menu.append(ui.Info_Text('Open plugins'))
selector_label = "Select to load"
def append_selector(label, plugins):
plugins.sort(key=lambda p: p.__name__)
plugin_labels = [p.__name__.replace('_', ' ') for p in plugins]
g_pool.main_menu.append(ui.Selector(label,
selection=[selector_label] + plugins,
labels=[selector_label] + plugin_labels,
setter=open_plugin,
getter=lambda: selector_label))
base_plugins = [Visualizer_Plugin_Base, Analysis_Plugin_Base, Producer_Plugin_Base]
base_labels = ['Visualizer:', 'Analyser:', 'Data Source:']
launchable = user_launchable_plugins.copy()
for base_class, label in zip(base_plugins, base_labels):
member_plugins = []
for p in user_launchable_plugins:
if issubclass(p, base_class):
member_plugins.append(p)
launchable.remove(p)
append_selector(label, member_plugins)
# launchable only contains plugins that could not be assigned to any of the above categories
append_selector('Other', launchable)
g_pool.main_menu.append(ui.Button('Close all plugins', purge_plugins))
g_pool.quickbar = ui.Stretching_Menu('Quick Bar', (0, 100), (120, -100))
g_pool.play_button = ui.Thumb('play',
g_pool,
label=chr(0xf04b),
setter=toggle_play,
hotkey=glfw.GLFW_KEY_SPACE,
label_font='fontawesome',
label_offset_x=5,
label_offset_y=0,
label_offset_size=-24)
g_pool.play_button.on_color[:] = (0, 1., .0, .8)
g_pool.forward_button = ui.Thumb('forward',
label=chr(0xf04e),
getter=lambda: False,
setter=next_frame,
hotkey=glfw.GLFW_KEY_RIGHT,
label_font='fontawesome',
label_offset_x=5,
label_offset_y=0,
label_offset_size=-24)
g_pool.backward_button = ui.Thumb('backward',
label=chr(0xf04a),
getter=lambda: False,
setter=prev_frame,
hotkey=glfw.GLFW_KEY_LEFT,
label_font='fontawesome',
label_offset_x=-5,
label_offset_y=0,
label_offset_size=-24)
g_pool.export_button = ui.Thumb('export',
label=chr(0xf063),
getter=lambda: False,
setter=do_export,
hotkey='e',
label_font='fontawesome',
label_offset_x=0,
label_offset_y=2,
label_offset_size=-24)
g_pool.quickbar.extend([g_pool.play_button, g_pool.forward_button, g_pool.backward_button, g_pool.export_button])
g_pool.gui.append(g_pool.quickbar)
g_pool.gui.append(g_pool.main_menu)
# we always load these plugins
system_plugins = [('Trim_Marks', {}), ('Seek_Bar', {})]
default_plugins = [('Log_Display', {}), ('Vis_Scan_Path', {}), ('Vis_Polyline', {}),
('Vis_Circle', {}), ('Video_Export_Launcher', {}),
('Pupil_From_Recording', {}), ('Gaze_From_Recording', {})]
previous_plugins = session_settings.get('loaded_plugins', default_plugins)
g_pool.plugins = Plugin_List(g_pool, plugin_by_name, system_plugins+previous_plugins)
# Register callbacks main_window
glfw.glfwSetFramebufferSizeCallback(main_window, on_resize)
glfw.glfwSetKeyCallback(main_window, on_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)
glfw.glfwSetDropCallback(main_window, on_drop)
g_pool.gui.configuration = session_settings.get('ui_config', {})
# gl_state settings
gl_utils.basic_gl_setup()
g_pool.image_tex = Named_Texture()
# set up performace graphs:
pid = os.getpid()
ps = psutil.Process(pid)
ts = None
cpu_graph = graph.Bar_Graph()
cpu_graph.pos = (20, 110)
cpu_graph.update_fn = ps.cpu_percent
cpu_graph.update_rate = 5
cpu_graph.label = 'CPU %0.1f'
fps_graph = graph.Bar_Graph()
fps_graph.pos = (140, 110)
fps_graph.update_rate = 5
fps_graph.label = "%0.0f REC FPS"
pupil_graph = graph.Bar_Graph(max_val=1.0)
pupil_graph.pos = (260, 110)
pupil_graph.update_rate = 5
pupil_graph.label = "Confidence: %0.2f"
g_pool.graphs = [cpu_graph, fps_graph, pupil_graph]
# trigger on_resize
on_resize(main_window, *glfw.glfwGetFramebufferSize(main_window))
def handle_notifications(n):
subject = n['subject']
if subject == 'start_plugin':
g_pool.plugins.add(
plugin_by_name[n['name']], args=n.get('args', {}))
elif subject.startswith('meta.should_doc'):
ipc_pub.notify({'subject': 'meta.doc',
'actor': g_pool.app,
'doc': player.__doc__})
for p in g_pool.plugins:
if (p.on_notify.__doc__
and p.__class__.on_notify != Plugin.on_notify):
ipc_pub.notify({'subject': 'meta.doc',
'actor': p.class_name,
'doc': p.on_notify.__doc__})
while not glfw.glfwWindowShouldClose(main_window):
# fetch newest notifications
new_notifications = []
while notify_sub.new_data:
t, n = notify_sub.recv()
new_notifications.append(n)
# notify each plugin if there are new notifications:
for n in new_notifications:
handle_notifications(n)
for p in g_pool.plugins:
p.on_notify(n)
# grab new frame
if g_pool.play or g_pool.new_seek:
g_pool.new_seek = False
try:
new_frame = cap.get_frame()
except EndofVideoFileError:
# end of video logic: pause at last frame.
g_pool.play = False
logger.warning("end of video")
update_graph = True
else:
update_graph = False
frame = new_frame.copy()
events = {}
events['frame'] = frame
# report time between now and the last loop interation
events['dt'] = get_dt()
# new positons we make a deepcopy just like the image is a copy.
events['gaze_positions'] = deepcopy(g_pool.gaze_positions_by_frame[frame.index])
events['pupil_positions'] = deepcopy(g_pool.pupil_positions_by_frame[frame.index])
if update_graph:
# update performace graphs
for p in events['pupil_positions']:
pupil_graph.add(p['confidence'])
t = new_frame.timestamp
if ts and ts != t:
dt, ts = t-ts, t
fps_graph.add(1./dt)
else:
ts = new_frame.timestamp
g_pool.play_button.status_text = str(frame.index)
# always update the CPU graph
cpu_graph.update()
# allow each Plugin to do its work.
for p in g_pool.plugins:
p.recent_events(events)
# check if a plugin need to be destroyed
g_pool.plugins.clean()
# render camera image
glfw.glfwMakeContextCurrent(main_window)
gl_utils.make_coord_system_norm_based()
g_pool.image_tex.update_from_frame(frame)
g_pool.image_tex.draw()
gl_utils.make_coord_system_pixel_based(frame.img.shape)
# render visual feedback from loaded plugins
for p in g_pool.plugins:
p.gl_display()
fps_graph.draw()
cpu_graph.draw()
pupil_graph.draw()
unused_buttons = g_pool.gui.update()
for b in unused_buttons:
button,action,mods = b
pos = glfw.glfwGetCursorPos(main_window)
pos = normalize(pos, glfw.glfwGetWindowSize(main_window))
pos = denormalize(pos, (frame.img.shape[1], frame.img.shape[0])) # Position in img pixels
for p in g_pool.plugins:
p.on_click(pos, button, action)
# present frames at appropriate speed
cap.wait(frame)
glfw.glfwSwapBuffers(main_window)
glfw.glfwPollEvents()
session_settings['loaded_plugins'] = g_pool.plugins.get_initializers()
session_settings['min_data_confidence'] = g_pool.min_data_confidence
session_settings['gui_scale'] = g_pool.gui_user_scale
session_settings['ui_config'] = g_pool.gui.configuration
session_settings['window_size'] = glfw.glfwGetWindowSize(main_window)
session_settings['window_position'] = glfw.glfwGetWindowPos(main_window)
session_settings['version'] = str(g_pool.version)
session_settings.close()
# de-init all running plugins
for p in g_pool.plugins:
p.alive = False
g_pool.plugins.clean()
cap.cleanup()
g_pool.gui.terminate()
glfw.glfwDestroyWindow(main_window)
logger.info("Process shutting down.")
ipc_pub.notify({'subject': 'player_process.stopped'})
def export_processed_h264(
world_timestamps,
unprocessed_video_loc,
target_video_loc,
export_range,
process_frame,
export_timestamps,
):
yield "Converting video", 0.1
capture = File_Source(Empty(), unprocessed_video_loc)
if not capture.initialised:
yield "Converting scene video failed", 0.0
return
export_window = pm.exact_window(world_timestamps, export_range)
(export_from_index,
export_to_index) = pm.find_closest(capture.timestamps, export_window)
update_rate = 10
start_time = None
time_base = Fraction(1, 65535)
target_container = av.open(target_video_loc, "w")
video_stream = target_container.add_stream("mpeg4", 1 / time_base)
video_stream.bit_rate = 150e6
video_stream.bit_rate_tolerance = video_stream.bit_rate / 20
video_stream.thread_count = max(1, mp.cpu_count() - 1)
video_stream.width, video_stream.height = capture.frame_size
av_frame = av.VideoFrame(*capture.frame_size, "bgr24")
av_frame.time_base = time_base
capture.seek_to_frame(export_from_index)
next_update_idx = export_from_index + update_rate
timestamps = []
while True:
try:
frame = capture.get_frame()
except EndofVideoError:
break
if frame.index > export_to_index:
break
if start_time is None:
start_time = frame.timestamp
undistorted_img = process_frame(capture, frame)
av_frame.planes[0].update(undistorted_img)
av_frame.pts = int((frame.timestamp - start_time) / time_base)
if export_timestamps:
timestamps.append(frame.timestamp)
packet = video_stream.encode(av_frame)
if packet:
target_container.mux(packet)
if capture.current_frame_idx >= next_update_idx:
progress = ((capture.current_frame_idx - export_from_index) /
(export_to_index - export_from_index)) * 0.9 + 0.1
yield "Converting video", progress * 100.0
next_update_idx += update_rate
while True: # flush encoder
packet = video_stream.encode()
if packet:
target_container.mux(packet)
else:
break
if export_timestamps:
write_timestamps(target_video_loc, timestamps)
target_container.close()
capture.cleanup()
yield "Converting video completed", 1.0 * 100.0
def player(rec_dir, ipc_pub_url, ipc_sub_url,
ipc_push_url, user_dir, app_version):
# general imports
import logging
import errno
from glob import glob
from copy import deepcopy
from time import time
# networking
import zmq
import zmq_tools
# zmq ipc setup
zmq_ctx = zmq.Context()
ipc_pub = zmq_tools.Msg_Dispatcher(zmq_ctx, ipc_push_url)
notify_sub = zmq_tools.Msg_Receiver(zmq_ctx, ipc_sub_url, topics=('notify',))
# log setup
logging.getLogger("OpenGL").setLevel(logging.ERROR)
logger = logging.getLogger()
logger.handlers = []
logger.setLevel(logging.INFO)
logger.addHandler(zmq_tools.ZMQ_handler(zmq_ctx, ipc_push_url))
# create logger for the context of this function
logger = logging.getLogger(__name__)
# imports
from file_methods import Persistent_Dict, load_object
# display
import glfw
# check versions for our own depedencies as they are fast-changing
from pyglui import __version__ as pyglui_version
from pyglui import ui, graph, cygl
from pyglui.cygl.utils import Named_Texture
import gl_utils
# capture
from video_capture import File_Source, EndofVideoFileError, FileSeekError
# helpers/utils
from version_utils import VersionFormat
from methods import normalize, denormalize, delta_t, get_system_info
from player_methods import correlate_data, is_pupil_rec_dir, load_meta_info
# monitoring
import psutil
# Plug-ins
from plugin import Plugin, Plugin_List, import_runtime_plugins, Visualizer_Plugin_Base, Analysis_Plugin_Base, Producer_Plugin_Base
from vis_circle import Vis_Circle
from vis_cross import Vis_Cross
from vis_polyline import Vis_Polyline
from vis_light_points import Vis_Light_Points
from vis_watermark import Vis_Watermark
from vis_fixation import Vis_Fixation
from vis_scan_path import Vis_Scan_Path
from vis_eye_video_overlay import Vis_Eye_Video_Overlay
from seek_bar import Seek_Bar
from trim_marks import Trim_Marks
from video_export_launcher import Video_Export_Launcher
from offline_surface_tracker import Offline_Surface_Tracker
from marker_auto_trim_marks import Marker_Auto_Trim_Marks
from fixation_detector import Gaze_Position_2D_Fixation_Detector, Pupil_Angle_3D_Fixation_Detector
# from manual_gaze_correction import Manual_Gaze_Correction
from batch_exporter import Batch_Exporter
from log_display import Log_Display
from annotations import Annotation_Player
from raw_data_exporter import Raw_Data_Exporter
from log_history import Log_History
from pupil_producers import Pupil_From_Recording, Offline_Pupil_Detection
from gaze_producers import Gaze_From_Recording, Offline_Calibration
assert pyglui_version >= '1.7'
runtime_plugins = import_runtime_plugins(os.path.join(user_dir, 'plugins'))
system_plugins = [Log_Display, Seek_Bar, Trim_Marks]
user_launchable_plugins = [Vis_Circle, Vis_Fixation, Vis_Polyline, Vis_Light_Points, Vis_Cross, Vis_Watermark,
Vis_Eye_Video_Overlay, Vis_Scan_Path, Gaze_Position_2D_Fixation_Detector,
Pupil_Angle_3D_Fixation_Detector, Video_Export_Launcher,
Offline_Surface_Tracker, Raw_Data_Exporter, Batch_Exporter, Annotation_Player,
Log_History, Marker_Auto_Trim_Marks, Pupil_From_Recording, Offline_Pupil_Detection,
Gaze_From_Recording, Offline_Calibration] + runtime_plugins
available_plugins = system_plugins + user_launchable_plugins
name_by_index = [p.__name__ for p in available_plugins]
plugin_by_name = dict(zip(name_by_index, available_plugins))
# Callback functions
def on_resize(window, w, h):
if gl_utils.is_window_visible(window):
hdpi_factor = float(glfw.glfwGetFramebufferSize(window)[0] / glfw.glfwGetWindowSize(window)[0])
g_pool.gui.scale = g_pool.gui_user_scale * hdpi_factor
g_pool.gui.update_window(w, h)
g_pool.gui.collect_menus()
for g in g_pool.graphs:
g.scale = hdpi_factor
g.adjust_window_size(w, h)
gl_utils.adjust_gl_view(w, h)
for p in g_pool.plugins:
p.on_window_resize(window, w, h)
def on_window_key(window, key, scancode, action, mods):
g_pool.gui.update_key(key, scancode, action, mods)
def on_window_char(window, char):
g_pool.gui.update_char(char)
def on_window_mouse_button(window, button, action, mods):
g_pool.gui.update_button(button, action, mods)
def on_pos(window, x, y):
hdpi_factor = float(glfw.glfwGetFramebufferSize(window)[0]/glfw.glfwGetWindowSize(window)[0])
g_pool.gui.update_mouse(x*hdpi_factor, y*hdpi_factor)
def on_scroll(window, x, y):
g_pool.gui.update_scroll(x, y*scroll_factor)
def on_drop(window, count, paths):
for x in range(count):
new_rec_dir = paths[x].decode('utf-8')
if is_pupil_rec_dir(new_rec_dir):
logger.debug("Starting new session with '{}'".format(new_rec_dir))
ipc_pub.notify({"subject": "player_drop_process.should_start", "rec_dir": new_rec_dir})
glfw.glfwSetWindowShouldClose(window, True)
else:
logger.error("'{}' is not a valid pupil recording".format(new_rec_dir))
tick = delta_t()
def get_dt():
return next(tick)
video_path = [f for f in glob(os.path.join(rec_dir, "world.*"))
if os.path.splitext(f)[1] in ('.mp4', '.mkv', '.avi', '.h264', '.mjpeg')][0]
pupil_data_path = os.path.join(rec_dir, "pupil_data")
meta_info = load_meta_info(rec_dir)
# log info about Pupil Platform and Platform in player.log
logger.info('Application Version: {}'.format(app_version))
logger.info('System Info: {}'.format(get_system_info()))
# create container for globally scoped vars
g_pool = Global_Container()
g_pool.app = 'player'
g_pool.zmq_ctx = zmq_ctx
g_pool.ipc_pub = ipc_pub
g_pool.ipc_pub_url = ipc_pub_url
g_pool.ipc_sub_url = ipc_sub_url
g_pool.ipc_push_url = ipc_push_url
# Initialize capture
cap = File_Source(g_pool, video_path)
# load session persistent settings
session_settings = Persistent_Dict(os.path.join(user_dir, "user_settings"))
if VersionFormat(session_settings.get("version", '0.0')) != app_version:
logger.info("Session setting are a different version of this app. I will not use those.")
session_settings.clear()
width, height = session_settings.get('window_size', cap.frame_size)
window_pos = session_settings.get('window_position', window_position_default)
glfw.glfwInit()
main_window = glfw.glfwCreateWindow(width, height, "Pupil Player: "+meta_info["Recording Name"]+" - "
+ rec_dir.split(os.path.sep)[-1], None, None)
glfw.glfwSetWindowPos(main_window, window_pos[0], window_pos[1])
glfw.glfwMakeContextCurrent(main_window)
cygl.utils.init()
def set_scale(new_scale):
g_pool.gui_user_scale = new_scale
on_resize(main_window, *glfw.glfwGetFramebufferSize(main_window))
# load pupil_positions, gaze_positions
g_pool.pupil_data = load_object(pupil_data_path)
g_pool.binocular = meta_info.get('Eye Mode', 'monocular') == 'binocular'
g_pool.version = app_version
g_pool.capture = cap
g_pool.timestamps = g_pool.capture.timestamps
g_pool.get_timestamp = lambda: 0.
g_pool.play = False
g_pool.new_seek = True
g_pool.user_dir = user_dir
g_pool.rec_dir = rec_dir
g_pool.meta_info = meta_info
g_pool.min_data_confidence = session_settings.get('min_data_confidence', 0.6)
g_pool.pupil_positions = []
g_pool.gaze_positions = []
g_pool.fixations = []
g_pool.notifications_by_frame = correlate_data(g_pool.pupil_data['notifications'], g_pool.timestamps)
g_pool.pupil_positions_by_frame = [[] for x in g_pool.timestamps] # populated by producer`
g_pool.gaze_positions_by_frame = [[] for x in g_pool.timestamps] # populated by producer
g_pool.fixations_by_frame = [[] for x in g_pool.timestamps] # populated by the fixation detector plugin
def next_frame(_):
try:
cap.seek_to_frame(cap.get_frame_index() + 1)
except(FileSeekError):
logger.warning("Could not seek to next frame.")
else:
g_pool.new_seek = True
def prev_frame(_):
try:
cap.seek_to_frame(cap.get_frame_index() - 1)
except(FileSeekError):
logger.warning("Could not seek to previous frame.")
else:
g_pool.new_seek = True
def toggle_play(new_state):
if cap.get_frame_index() >= cap.get_frame_count()-5:
cap.seek_to_frame(1) # avoid pause set by hitting trimmark pause.
logger.warning("End of video - restart at beginning.")
g_pool.play = new_state
def set_data_confidence(new_confidence):
g_pool.min_data_confidence = new_confidence
notification = {'subject': 'min_data_confidence_changed'}
notification['_notify_time_'] = time()+.8
g_pool.ipc_pub.notify(notification)
def open_plugin(plugin):
if plugin == "Select to load":
return
g_pool.plugins.add(plugin)
def purge_plugins():
for p in g_pool.plugins:
if p.__class__ in user_launchable_plugins:
p.alive = False
g_pool.plugins.clean()
def do_export(_):
export_range = g_pool.trim_marks.in_mark, g_pool.trim_marks.out_mark
export_dir = os.path.join(g_pool.rec_dir, 'exports', '{}-{}'.format(*export_range))
try:
os.makedirs(export_dir)
except OSError as e:
if e.errno != errno.EEXIST:
logger.error("Could not create export dir")
raise e
else:
overwrite_warning = "Previous export for range [{}-{}] already exsits - overwriting."
logger.warning(overwrite_warning.format(*export_range))
else:
logger.info('Created export dir at "{}"'.format(export_dir))
notification = {'subject': 'should_export', 'range': export_range, 'export_dir': export_dir}
g_pool.ipc_pub.notify(notification)
g_pool.gui = ui.UI()
g_pool.gui_user_scale = session_settings.get('gui_scale', 1.)
g_pool.main_menu = ui.Scrolling_Menu("Settings", pos=(-350, 20), size=(300, 560))
g_pool.main_menu.append(ui.Button('Reset window size',
lambda: glfw.glfwSetWindowSize(main_window, cap.frame_size[0], cap.frame_size[1])))
g_pool.main_menu.append(ui.Selector('gui_user_scale', g_pool, setter=set_scale, selection=[.8, .9, 1., 1.1, 1.2], label='Interface Size'))
g_pool.main_menu.append(ui.Info_Text('Player Version: {}'.format(g_pool.version)))
g_pool.main_menu.append(ui.Info_Text('Capture Version: {}'.format(meta_info['Capture Software Version'])))
g_pool.main_menu.append(ui.Info_Text('Data Format Version: {}'.format(meta_info['Data Format Version'])))
g_pool.main_menu.append(ui.Slider('min_data_confidence', g_pool, setter=set_data_confidence,
step=.05, min=0.0, max=1.0, label='Confidence threshold'))
g_pool.main_menu.append(ui.Info_Text('Open plugins'))
selector_label = "Select to load"
def append_selector(label, plugins):
plugins.sort(key=lambda p: p.__name__)
plugin_labels = [p.__name__.replace('_', ' ') for p in plugins]
g_pool.main_menu.append(ui.Selector(label,
selection=[selector_label] + plugins,
labels=[selector_label] + plugin_labels,
setter=open_plugin,
getter=lambda: selector_label))
base_plugins = [Visualizer_Plugin_Base, Analysis_Plugin_Base, Producer_Plugin_Base]
base_labels = ['Visualizer:', 'Analyser:', 'Data Source:']
launchable = user_launchable_plugins.copy()
for base_class, label in zip(base_plugins, base_labels):
member_plugins = []
for p in user_launchable_plugins:
if issubclass(p, base_class):
member_plugins.append(p)
launchable.remove(p)
append_selector(label, member_plugins)
# launchable only contains plugins that could not be assigned to any of the above categories
append_selector('Other', launchable)
g_pool.main_menu.append(ui.Button('Close all plugins', purge_plugins))
g_pool.quickbar = ui.Stretching_Menu('Quick Bar', (0, 100), (120, -100))
g_pool.play_button = ui.Thumb('play',
g_pool,
label=chr(0xf04b),
setter=toggle_play,
hotkey=glfw.GLFW_KEY_SPACE,
label_font='fontawesome',
label_offset_x=5,
label_offset_y=0,
label_offset_size=-24)
g_pool.play_button.on_color[:] = (0, 1., .0, .8)
g_pool.forward_button = ui.Thumb('forward',
label=chr(0xf04e),
getter=lambda: False,
setter=next_frame,
hotkey=glfw.GLFW_KEY_RIGHT,
label_font='fontawesome',
label_offset_x=5,
label_offset_y=0,
label_offset_size=-24)
g_pool.backward_button = ui.Thumb('backward',
label=chr(0xf04a),
getter=lambda: False,
setter=prev_frame,
hotkey=glfw.GLFW_KEY_LEFT,
label_font='fontawesome',
label_offset_x=-5,
label_offset_y=0,
label_offset_size=-24)
g_pool.export_button = ui.Thumb('export',
label=chr(0xf063),
getter=lambda: False,
setter=do_export,
hotkey='e',
label_font='fontawesome',
label_offset_x=0,
label_offset_y=2,
label_offset_size=-24)
g_pool.quickbar.extend([g_pool.play_button, g_pool.forward_button, g_pool.backward_button, g_pool.export_button])
g_pool.gui.append(g_pool.quickbar)
g_pool.gui.append(g_pool.main_menu)
# we always load these plugins
system_plugins = [('Trim_Marks', {}), ('Seek_Bar', {})]
default_plugins = [('Log_Display', {}), ('Vis_Scan_Path', {}), ('Vis_Polyline', {}),
('Vis_Circle', {}), ('Video_Export_Launcher', {}),
('Pupil_From_Recording', {}), ('Gaze_From_Recording', {})]
previous_plugins = session_settings.get('loaded_plugins', default_plugins)
g_pool.plugins = Plugin_List(g_pool, plugin_by_name, system_plugins+previous_plugins)
# Register callbacks main_window
glfw.glfwSetFramebufferSizeCallback(main_window, on_resize)
glfw.glfwSetKeyCallback(main_window, on_window_key)
glfw.glfwSetCharCallback(main_window, on_window_char)
glfw.glfwSetMouseButtonCallback(main_window, on_window_mouse_button)
glfw.glfwSetCursorPosCallback(main_window, on_pos)
glfw.glfwSetScrollCallback(main_window, on_scroll)
glfw.glfwSetDropCallback(main_window, on_drop)
g_pool.gui.configuration = session_settings.get('ui_config', {})
# gl_state settings
gl_utils.basic_gl_setup()
g_pool.image_tex = Named_Texture()
# set up performace graphs:
pid = os.getpid()
ps = psutil.Process(pid)
ts = None
cpu_graph = graph.Bar_Graph()
cpu_graph.pos = (20, 110)
cpu_graph.update_fn = ps.cpu_percent
cpu_graph.update_rate = 5
cpu_graph.label = 'CPU %0.1f'
fps_graph = graph.Bar_Graph()
fps_graph.pos = (140, 110)
fps_graph.update_rate = 5
fps_graph.label = "%0.0f REC FPS"
pupil_graph = graph.Bar_Graph(max_val=1.0)
pupil_graph.pos = (260, 110)
pupil_graph.update_rate = 5
pupil_graph.label = "Confidence: %0.2f"
g_pool.graphs = [cpu_graph, fps_graph, pupil_graph]
# trigger on_resize
on_resize(main_window, *glfw.glfwGetFramebufferSize(main_window))
def handle_notifications(n):
subject = n['subject']
if subject == 'start_plugin':
g_pool.plugins.add(
plugin_by_name[n['name']], args=n.get('args', {}))
elif subject.startswith('meta.should_doc'):
ipc_pub.notify({'subject': 'meta.doc',
'actor': g_pool.app,
'doc': player.__doc__})
for p in g_pool.plugins:
if (p.on_notify.__doc__
and p.__class__.on_notify != Plugin.on_notify):
ipc_pub.notify({'subject': 'meta.doc',
'actor': p.class_name,
'doc': p.on_notify.__doc__})
while not glfw.glfwWindowShouldClose(main_window):
# fetch newest notifications
new_notifications = []
while notify_sub.new_data:
t, n = notify_sub.recv()
new_notifications.append(n)
# notify each plugin if there are new notifications:
for n in new_notifications:
handle_notifications(n)
for p in g_pool.plugins:
p.on_notify(n)
# grab new frame
if g_pool.play or g_pool.new_seek:
g_pool.new_seek = False
try:
new_frame = cap.get_frame()
except EndofVideoFileError:
# end of video logic: pause at last frame.
g_pool.play = False
logger.warning("end of video")
update_graph = True
else:
update_graph = False
frame = new_frame.copy()
events = {}
events['frame'] = frame
# report time between now and the last loop interation
events['dt'] = get_dt()
# new positons we make a deepcopy just like the image is a copy.
events['gaze_positions'] = deepcopy(g_pool.gaze_positions_by_frame[frame.index])
events['pupil_positions'] = deepcopy(g_pool.pupil_positions_by_frame[frame.index])
if update_graph:
# update performace graphs
for p in events['pupil_positions']:
pupil_graph.add(p['confidence'])
t = new_frame.timestamp
if ts and ts != t:
dt, ts = t-ts, t
fps_graph.add(1./dt)
else:
ts = new_frame.timestamp
g_pool.play_button.status_text = str(frame.index)
# always update the CPU graph
cpu_graph.update()
# allow each Plugin to do its work.
for p in g_pool.plugins:
p.recent_events(events)
# check if a plugin need to be destroyed
g_pool.plugins.clean()
# render camera image
glfw.glfwMakeContextCurrent(main_window)
gl_utils.make_coord_system_norm_based()
g_pool.image_tex.update_from_ndarray(frame.bgr)
g_pool.image_tex.draw()
gl_utils.make_coord_system_pixel_based(frame.img.shape)
# render visual feedback from loaded plugins
for p in g_pool.plugins:
p.gl_display()
fps_graph.draw()
cpu_graph.draw()
pupil_graph.draw()
unused_elements = g_pool.gui.update()
for b in unused_elements.buttons:
button, action, mods = b
pos = glfw.glfwGetCursorPos(main_window)
pos = normalize(pos, glfw.glfwGetWindowSize(main_window))
pos = denormalize(pos, (frame.img.shape[1], frame.img.shape[0])) # Position in img pixels
for p in g_pool.plugins:
p.on_click(pos, button, action)
for key, scancode, action, mods in unused_elements.keys:
for p in g_pool.plugins:
p.on_key(key, scancode, action, mods)
for char_ in unused_elements.chars:
for p in g_pool.plugins:
p.on_char(char_)
# present frames at appropriate speed
cap.wait(frame)
glfw.glfwSwapBuffers(main_window)
glfw.glfwPollEvents()
session_settings['loaded_plugins'] = g_pool.plugins.get_initializers()
session_settings['min_data_confidence'] = g_pool.min_data_confidence
session_settings['gui_scale'] = g_pool.gui_user_scale
session_settings['ui_config'] = g_pool.gui.configuration
session_settings['window_size'] = glfw.glfwGetWindowSize(main_window)
session_settings['window_position'] = glfw.glfwGetWindowPos(main_window)
session_settings['version'] = str(g_pool.version)
session_settings.close()
# de-init all running plugins
for p in g_pool.plugins:
p.alive = False
g_pool.plugins.clean()
cap.cleanup()
g_pool.gui.terminate()
glfw.glfwDestroyWindow(main_window)
logger.info("Process shutting down.")
ipc_pub.notify({'subject': 'player_process.stopped'})
def session(rec_dir):
plugin_dir = os.path.join(user_dir, 'plugins')
if not os.path.isdir(plugin_dir):
os.mkdir(plugin_dir)
runtime_plugins = import_runtime_plugins(plugin_dir)
system_plugins = [Log_Display, Seek_Bar, Trim_Marks]
vis_plugins = sorted([Vis_Circle, Vis_Fixation, Vis_Polyline, Vis_Light_Points, Vis_Cross,
Vis_Watermark, Vis_Eye_Video_Overlay, Vis_Scan_Path], key=lambda x: x.__name__)
analysis_plugins = sorted([Gaze_Position_2D_Fixation_Detector, Pupil_Angle_3D_Fixation_Detector,
Manual_Gaze_Correction, Video_Export_Launcher, Offline_Surface_Tracker,
Raw_Data_Exporter, Batch_Exporter, Annotation_Player], key=lambda x: x.__name__)
other_plugins = sorted([Log_History, Marker_Auto_Trim_Marks], key=lambda x: x.__name__)
user_plugins = sorted(runtime_plugins, key=lambda x: x.__name__)
user_launchable_plugins = vis_plugins + analysis_plugins + other_plugins + user_plugins
available_plugins = system_plugins + user_launchable_plugins
name_by_index = [p.__name__ for p in available_plugins]
plugin_by_name = dict(zip(name_by_index, available_plugins))
# Callback functions
def on_resize(window, w, h):
if gl_utils.is_window_visible(window):
hdpi_factor = float(glfwGetFramebufferSize(window)[0] / glfwGetWindowSize(window)[0])
g_pool.gui.scale = g_pool.gui_user_scale * hdpi_factor
g_pool.gui.update_window(w, h)
g_pool.gui.collect_menus()
for g in g_pool.graphs:
g.scale = hdpi_factor
g.adjust_window_size(w, h)
gl_utils.adjust_gl_view(w, h)
for p in g_pool.plugins:
p.on_window_resize(window, w, h)
def on_key(window, key, scancode, action, mods):
g_pool.gui.update_key(key, scancode, action, mods)
def on_char(window, char):
g_pool.gui.update_char(char)
def on_button(window, button, action, mods):
g_pool.gui.update_button(button, action, mods)
pos = glfwGetCursorPos(window)
pos = normalize(pos, glfwGetWindowSize(window))
pos = denormalize(pos, (frame.img.shape[1], frame.img.shape[0])) # Position in img pixels
for p in g_pool.plugins:
p.on_click(pos, button, action)
def on_pos(window, x, y):
hdpi_factor = float(glfwGetFramebufferSize(window)[0]/glfwGetWindowSize(window)[0])
g_pool.gui.update_mouse(x*hdpi_factor, y*hdpi_factor)
def on_scroll(window, x, y):
g_pool.gui.update_scroll(x, y*scroll_factor)
def on_drop(window, count, paths):
for x in range(count):
new_rec_dir = paths[x].decode('utf-8')
if is_pupil_rec_dir(new_rec_dir):
logger.debug("Starting new session with '{}'".format(new_rec_dir))
global rec_dir
rec_dir = new_rec_dir
glfwSetWindowShouldClose(window, True)
else:
logger.error("'{}' is not a valid pupil recording".format(new_rec_dir))
tick = delta_t()
def get_dt():
return next(tick)
update_recording_to_recent(rec_dir)
video_path = [f for f in glob(os.path.join(rec_dir, "world.*")) if f[-3:] in ('mp4', 'mkv', 'avi')][0]
timestamps_path = os.path.join(rec_dir, "world_timestamps.npy")
pupil_data_path = os.path.join(rec_dir, "pupil_data")
meta_info = load_meta_info(rec_dir)
app_version = get_version(version_file)
# log info about Pupil Platform and Platform in player.log
logger.info('Application Version: {}'.format(app_version))
logger.info('System Info: {}'.format(get_system_info()))
timestamps = np.load(timestamps_path)
# create container for globally scoped vars
g_pool = Global_Container()
g_pool.app = 'player'
# Initialize capture
cap = File_Source(g_pool, video_path, timestamps=list(timestamps))
# load session persistent settings
session_settings = Persistent_Dict(os.path.join(user_dir, "user_settings"))
if VersionFormat(session_settings.get("version", '0.0')) < get_version(version_file):
logger.info("Session setting are from older version of this app. I will not use those.")
session_settings.clear()
width, height = session_settings.get('window_size', cap.frame_size)
window_pos = session_settings.get('window_position', window_position_default)
main_window = glfwCreateWindow(width, height, "Pupil Player: "+meta_info["Recording Name"]+" - "
+ rec_dir.split(os.path.sep)[-1], None, None)
glfwSetWindowPos(main_window, window_pos[0], window_pos[1])
glfwMakeContextCurrent(main_window)
cygl.utils.init()
def set_scale(new_scale):
g_pool.gui_user_scale = new_scale
on_resize(main_window, *glfwGetFramebufferSize(main_window))
# load pupil_positions, gaze_positions
pupil_data = load_object(pupil_data_path)
pupil_list = pupil_data['pupil_positions']
gaze_list = pupil_data['gaze_positions']
g_pool.pupil_data = pupil_data
g_pool.binocular = meta_info.get('Eye Mode', 'monocular') == 'binocular'
g_pool.version = app_version
g_pool.capture = cap
g_pool.timestamps = timestamps
g_pool.play = False
g_pool.new_seek = True
g_pool.user_dir = user_dir
g_pool.rec_dir = rec_dir
g_pool.meta_info = meta_info
g_pool.min_data_confidence = session_settings.get('min_data_confidence', 0.6)
g_pool.pupil_positions_by_frame = correlate_data(pupil_list, g_pool.timestamps)
g_pool.gaze_positions_by_frame = correlate_data(gaze_list, g_pool.timestamps)
g_pool.fixations_by_frame = [[] for x in g_pool.timestamps] # populated by the fixation detector plugin
def next_frame(_):
try:
cap.seek_to_frame(cap.get_frame_index())
except(FileSeekError):
logger.warning("Could not seek to next frame.")
else:
g_pool.new_seek = True
def prev_frame(_):
try:
cap.seek_to_frame(cap.get_frame_index()-2)
except(FileSeekError):
logger.warning("Could not seek to previous frame.")
else:
g_pool.new_seek = True
def toggle_play(new_state):
if cap.get_frame_index() >= cap.get_frame_count()-5:
cap.seek_to_frame(1) # avoid pause set by hitting trimmark pause.
logger.warning("End of video - restart at beginning.")
g_pool.play = new_state
def set_data_confidence(new_confidence):
g_pool.min_data_confidence = new_confidence
notification = {'subject': 'min_data_confidence_changed'}
notification['_notify_time_'] = time()+.8
g_pool.delayed_notifications[notification['subject']] = notification
def open_plugin(plugin):
if plugin == "Select to load":
return
g_pool.plugins.add(plugin)
def purge_plugins():
for p in g_pool.plugins:
if p.__class__ in user_launchable_plugins:
p.alive = False
g_pool.plugins.clean()
def do_export(_):
export_range = slice(g_pool.trim_marks.in_mark, g_pool.trim_marks.out_mark)
export_dir = os.path.join(g_pool.rec_dir, 'exports', '{}-{}'.format(export_range.start, export_range.stop))
try:
os.makedirs(export_dir)
except OSError as e:
if e.errno != errno.EEXIST:
logger.error("Could not create export dir")
raise e
else:
overwrite_warning = "Previous export for range [{}-{}] already exsits - overwriting."
logger.warning(overwrite_warning.format(export_range.start, export_range.stop))
else:
logger.info('Created export dir at "{}"'.format(export_dir))
notification = {'subject': 'should_export', 'range': export_range, 'export_dir': export_dir}
g_pool.notifications.append(notification)
g_pool.gui = ui.UI()
g_pool.gui_user_scale = session_settings.get('gui_scale', 1.)
g_pool.main_menu = ui.Scrolling_Menu("Settings", pos=(-350, 20), size=(300, 500))
g_pool.main_menu.append(ui.Button('Reset window size',
lambda: glfwSetWindowSize(main_window, cap.frame_size[0], cap.frame_size[1])))
g_pool.main_menu.append(ui.Selector('gui_user_scale', g_pool, setter=set_scale, selection=[.8, .9, 1., 1.1, 1.2], label='Interface Size'))
g_pool.main_menu.append(ui.Info_Text('Player Version: {}'.format(g_pool.version)))
g_pool.main_menu.append(ui.Info_Text('Capture Version: {}'.format(meta_info['Capture Software Version'])))
g_pool.main_menu.append(ui.Info_Text('Data Format Version: {}'.format(meta_info['Data Format Version'])))
g_pool.main_menu.append(ui.Slider('min_data_confidence', g_pool, setter=set_data_confidence,
step=.05, min=0.0, max=1.0, label='Confidence threshold'))
selector_label = "Select to load"
vis_labels = [" " + p.__name__.replace('_', ' ') for p in vis_plugins]
analysis_labels = [" " + p.__name__.replace('_', ' ') for p in analysis_plugins]
other_labels = [" " + p.__name__.replace('_', ' ') for p in other_plugins]
user_labels = [" " + p.__name__.replace('_', ' ') for p in user_plugins]
plugins = ([selector_label, selector_label] + vis_plugins + [selector_label] + analysis_plugins + [selector_label]
+ other_plugins + [selector_label] + user_plugins)
labels = ([selector_label, "Visualization"] + vis_labels + ["Analysis"] + analysis_labels + ["Other"]
+ other_labels + ["User added"] + user_labels)
g_pool.main_menu.append(ui.Selector('Open plugin:',
selection=plugins,
labels=labels,
setter=open_plugin,
getter=lambda: selector_label))
g_pool.main_menu.append(ui.Button('Close all plugins', purge_plugins))
g_pool.quickbar = ui.Stretching_Menu('Quick Bar', (0, 100), (120, -100))
g_pool.play_button = ui.Thumb('play',
g_pool,
label=chr(0xf04b),
setter=toggle_play,
hotkey=GLFW_KEY_SPACE,
label_font='fontawesome',
label_offset_x=5,
label_offset_y=0,
label_offset_size=-24)
g_pool.play_button.on_color[:] = (0, 1., .0, .8)
g_pool.forward_button = ui.Thumb('forward',
label=chr(0xf04e),
getter=lambda: False,
setter=next_frame,
hotkey=GLFW_KEY_RIGHT,
label_font='fontawesome',
label_offset_x=5,
label_offset_y=0,
label_offset_size=-24)
g_pool.backward_button = ui.Thumb('backward',
label=chr(0xf04a),
getter=lambda: False,
setter=prev_frame,
hotkey=GLFW_KEY_LEFT,
label_font='fontawesome',
label_offset_x=-5,
label_offset_y=0,
label_offset_size=-24)
g_pool.export_button = ui.Thumb('export',
label=chr(0xf063),
getter=lambda: False,
setter=do_export,
hotkey='e',
label_font='fontawesome',
label_offset_x=0,
label_offset_y=2,
label_offset_size=-24)
g_pool.quickbar.extend([g_pool.play_button, g_pool.forward_button, g_pool.backward_button, g_pool.export_button])
g_pool.gui.append(g_pool.quickbar)
g_pool.gui.append(g_pool.main_menu)
# we always load these plugins
system_plugins = [('Trim_Marks', {}), ('Seek_Bar', {})]
default_plugins = [('Log_Display', {}), ('Vis_Scan_Path', {}), ('Vis_Polyline', {}), ('Vis_Circle', {}), ('Video_Export_Launcher', {})]
previous_plugins = session_settings.get('loaded_plugins', default_plugins)
g_pool.notifications = []
g_pool.delayed_notifications = {}
g_pool.plugins = Plugin_List(g_pool, plugin_by_name, system_plugins+previous_plugins)
# Register callbacks main_window
glfwSetFramebufferSizeCallback(main_window, on_resize)
glfwSetKeyCallback(main_window, on_key)
glfwSetCharCallback(main_window, on_char)
glfwSetMouseButtonCallback(main_window, on_button)
glfwSetCursorPosCallback(main_window, on_pos)
glfwSetScrollCallback(main_window, on_scroll)
glfwSetDropCallback(main_window, on_drop)
g_pool.gui.configuration = session_settings.get('ui_config', {})
# gl_state settings
gl_utils.basic_gl_setup()
g_pool.image_tex = Named_Texture()
# set up performace graphs:
pid = os.getpid()
ps = psutil.Process(pid)
ts = None
cpu_graph = graph.Bar_Graph()
cpu_graph.pos = (20, 110)
cpu_graph.update_fn = ps.cpu_percent
cpu_graph.update_rate = 5
cpu_graph.label = 'CPU %0.1f'
fps_graph = graph.Bar_Graph()
fps_graph.pos = (140, 110)
fps_graph.update_rate = 5
fps_graph.label = "%0.0f REC FPS"
pupil_graph = graph.Bar_Graph(max_val=1.0)
pupil_graph.pos = (260, 110)
pupil_graph.update_rate = 5
pupil_graph.label = "Confidence: %0.2f"
g_pool.graphs = [cpu_graph, fps_graph, pupil_graph]
# trigger on_resize
on_resize(main_window, *glfwGetFramebufferSize(main_window))
while not glfwWindowShouldClose(main_window):
# grab new frame
if g_pool.play or g_pool.new_seek:
g_pool.new_seek = False
try:
new_frame = cap.get_frame()
except EndofVideoFileError:
# end of video logic: pause at last frame.
g_pool.play = False
logger.warning("end of video")
update_graph = True
else:
update_graph = False
frame = new_frame.copy()
events = {}
events['frame'] = frame
# report time between now and the last loop interation
events['dt'] = get_dt()
# new positons we make a deepcopy just like the image is a copy.
events['gaze_positions'] = deepcopy(g_pool.gaze_positions_by_frame[frame.index])
events['pupil_positions'] = deepcopy(g_pool.pupil_positions_by_frame[frame.index])
if update_graph:
# update performace graphs
for p in events['pupil_positions']:
pupil_graph.add(p['confidence'])
t = new_frame.timestamp
if ts and ts != t:
dt, ts = t-ts, t
fps_graph.add(1./dt)
else:
ts = new_frame.timestamp
g_pool.play_button.status_text = str(frame.index)
# always update the CPU graph
cpu_graph.update()
# publish delayed notifiactions when their time has come.
for n in list(g_pool.delayed_notifications.values()):
if n['_notify_time_'] < time():
del n['_notify_time_']
del g_pool.delayed_notifications[n['subject']]
g_pool.notifications.append(n)
# notify each plugin if there are new notifactions:
while g_pool.notifications:
n = g_pool.notifications.pop(0)
for p in g_pool.plugins:
p.on_notify(n)
# allow each Plugin to do its work.
for p in g_pool.plugins:
p.recent_events(events)
# check if a plugin need to be destroyed
g_pool.plugins.clean()
# render camera image
glfwMakeContextCurrent(main_window)
gl_utils.make_coord_system_norm_based()
g_pool.image_tex.update_from_frame(frame)
g_pool.image_tex.draw()
gl_utils.make_coord_system_pixel_based(frame.img.shape)
# render visual feedback from loaded plugins
for p in g_pool.plugins:
p.gl_display()
fps_graph.draw()
cpu_graph.draw()
pupil_graph.draw()
g_pool.gui.update()
# present frames at appropriate speed
cap.wait(frame)
glfwSwapBuffers(main_window)
glfwPollEvents()
session_settings['loaded_plugins'] = g_pool.plugins.get_initializers()
session_settings['min_data_confidence'] = g_pool.min_data_confidence
session_settings['gui_scale'] = g_pool.gui_user_scale
session_settings['ui_config'] = g_pool.gui.configuration
session_settings['window_size'] = glfwGetWindowSize(main_window)
session_settings['window_position'] = glfwGetWindowPos(main_window)
session_settings['version'] = str(g_pool.version)
session_settings.close()
# de-init all running plugins
for p in g_pool.plugins:
p.alive = False
g_pool.plugins.clean()
cap.cleanup()
g_pool.gui.terminate()
glfwDestroyWindow(main_window)
def fill_cache(visited_list, video_file_path, q, seek_idx, run,
min_marker_perimeter, invert_image):
"""
this function is part of marker_detector it is run as a seperate process.
it must be kept in a seperate file for namespace sanatisation
"""
import os
import logging
logger = logging.getLogger(__name__ + " with pid: " + str(os.getpid()))
logger.debug("Started cacher process for Marker Detector")
from video_capture import File_Source, EndofVideoError, FileSeekError
from square_marker_detect import detect_markers_robust
aperture = 9
markers = []
cap = File_Source(SimpleNamespace(),
source_path=video_file_path,
timing=None,
fill_gaps=True)
def next_unvisited_idx(frame_idx):
try:
visited = visited_list[frame_idx]
except IndexError:
visited = True # trigger search
if not visited:
next_unvisited = frame_idx
else:
# find next unvisited site in the future
try:
next_unvisited = visited_list.index(False, frame_idx)
except ValueError:
# any thing in the past?
try:
next_unvisited = visited_list.index(False, 0, frame_idx)
except ValueError:
# no unvisited sites left. Done!
logger.debug("Caching completed.")
next_unvisited = None
return next_unvisited
def handle_frame(next_frame):
if next_frame != cap.get_frame_index() + 1:
# we need to seek:
logger.debug("Seeking to Frame {}".format(next_frame))
try:
cap.seek_to_frame(next_frame)
except FileSeekError:
# could not seek to requested position
logger.warning(
"Could not evaluate frame: {}.".format(next_frame))
visited_list[next_frame] = True # this frame is now visited.
q.put((next_frame,
[])) # we cannot look at the frame, report no detection
return
# seeking invalidates prev markers for the detector
markers[:] = []
try:
frame = cap.get_frame()
except EndofVideoError:
logger.debug("Video File's last frame(s) not accesible")
# could not read frame
logger.warning("Could not evaluate frame: {}.".format(next_frame))
visited_list[next_frame] = True # this frame is now visited.
q.put((next_frame,
[])) # we cannot look at the frame, report no detection
return
markers[:] = detect_markers_robust(
frame.gray,
grid_size=5,
prev_markers=markers,
min_marker_perimeter=min_marker_perimeter,
aperture=aperture,
visualize=0,
true_detect_every_frame=1,
invert_image=invert_image,
)
visited_list[frame.index] = True
q.put(
(frame.index, markers[:])
) # object passed will only be pickeled when collected from other process! need to make a copy ot avoid overwrite!!!
while run.value:
next_frame = cap.get_frame_index()
if seek_idx.value != -1:
next_frame = seek_idx.value
seek_idx.value = -1
logger.debug(
"User required seek. Marker caching at Frame: {}".format(
next_frame))
# Delete the # to unfill the gap
# target_entry = cap.videoset.lookup[next_frame]
# if target_entry.container_idx == -1:
# continue
# check the visited list
next_frame = next_unvisited_idx(next_frame)
if next_frame is None:
# we are done here:
break
else:
handle_frame(next_frame)
logger.debug("Closing Cacher Process")
cap.cleanup()
q.close()
run.value = False
return
