def main():
# Callback functions
def on_resize(window, w, h):
active_window = glfwGetCurrentContext()
glfwMakeContextCurrent(window)
adjust_gl_view(w, h, window)
norm_size = normalize((w, h), glfwGetWindowSize(window))
fb_size = denormalize(norm_size, glfwGetFramebufferSize(window))
atb.TwWindowSize(*map(int, fb_size))
glfwMakeContextCurrent(active_window)
def on_key(window, key, scancode, action, mods):
if not atb.TwEventKeyboardGLFW(key, action):
if action == GLFW_PRESS:
pass
def on_char(window, char):
if not atb.TwEventCharGLFW(char, 1):
pass
def on_button(window, button, action, mods):
if not atb.TwEventMouseButtonGLFW(button, action):
pos = glfwGetCursorPos(window)
pos = normalize(pos, glfwGetWindowSize(main_window))
pos = denormalize(pos,
(frame.img.shape[1],
frame.img.shape[0])) # Position in img pixels
for p in g.plugins:
p.on_click(pos, button, action)
def on_pos(window, x, y):
norm_pos = normalize((x, y), glfwGetWindowSize(window))
fb_x, fb_y = denormalize(norm_pos, glfwGetFramebufferSize(window))
if atb.TwMouseMotion(int(fb_x), int(fb_y)):
pass
def on_scroll(window, x, y):
if not atb.TwMouseWheel(int(x)):
pass
def on_close(window):
glfwSetWindowShouldClose(main_window, True)
logger.info('Process closing from window')
try:
rec_dir = sys.argv[1]
except:
#for dev, supply hardcoded dir:
rec_dir = "/Users/mkassner/Downloads/1-4/000/"
if os.path.isdir(rec_dir):
logger.debug("Dev option: Using hadcoded data dir.")
else:
if getattr(sys, 'frozen', False):
logger.warning(
"You did not supply a data directory when you called this script! \
\nPlease drag a Pupil recoding directory onto the launch icon."
)
else:
logger.warning(
"You did not supply a data directory when you called this script! \
\nPlease supply a Pupil recoding directory as first arg when calling Pupil Player."
)
return
if not is_pupil_rec_dir(rec_dir):
logger.error(
"You did not supply a dir with the required files inside.")
return
#backwards compatibility fn.
patch_meta_info(rec_dir)
#parse and load data folder info
video_path = rec_dir + "/world.avi"
timestamps_path = rec_dir + "/timestamps.npy"
gaze_positions_path = rec_dir + "/gaze_positions.npy"
meta_info_path = rec_dir + "/info.csv"
#parse info.csv file
with open(meta_info_path) as info:
meta_info = dict(
((line.strip().split('\t')) for line in info.readlines()))
rec_version = meta_info["Capture Software Version"]
rec_version_float = int(
filter(type(rec_version).isdigit,
rec_version)[:3]) / 100. #(get major,minor,fix of version)
logger.debug("Recording version: %s , %s" %
(rec_version, rec_version_float))
#load gaze information
gaze_list = np.load(gaze_positions_path)
timestamps = np.load(timestamps_path)
#correlate data
positions_by_frame = correlate_gaze(gaze_list, timestamps)
# load session persistent settings
session_settings = shelve.open(os.path.join(user_dir, "user_settings"),
protocol=2)
def load(var_name, default):
return session_settings.get(var_name, default)
def save(var_name, var):
session_settings[var_name] = var
# Initialize capture
cap = autoCreateCapture(video_path, timestamps=timestamps_path)
if isinstance(cap, FakeCapture):
logger.error("could not start capture.")
return
width, height = cap.get_size()
# Initialize glfw
glfwInit()
main_window = glfwCreateWindow(
width, height, "Pupil Player: " + meta_info["Recording Name"] + " - " +
rec_dir.split(os.path.sep)[-1], None, None)
glfwMakeContextCurrent(main_window)
# Register callbacks main_window
glfwSetWindowSizeCallback(main_window, on_resize)
glfwSetWindowCloseCallback(main_window, on_close)
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)
# create container for globally scoped vars (within world)
g = Temp()
g.plugins = []
g.play = False
g.new_seek = True
g.user_dir = user_dir
g.rec_dir = rec_dir
g.app = 'player'
# helpers called by the main atb bar
def update_fps():
old_time, bar.timestamp = bar.timestamp, time()
dt = bar.timestamp - old_time
if dt:
bar.fps.value += .1 * (1. / dt - bar.fps.value)
def set_window_size(mode, data):
width, height = cap.get_size()
ratio = (1, .75, .5, .25)[mode]
w, h = int(width * ratio), int(height * ratio)
glfwSetWindowSize(main_window, w, h)
data.value = mode # update the bar.value
def get_from_data(data):
"""
helper for atb getter and setter use
"""
return data.value
def get_play():
return g.play
def set_play(value):
g.play = value
def next_frame():
cap.seek_to_frame(cap.get_frame_index())
g.new_seek = True
def prev_frame():
cap.seek_to_frame(cap.get_frame_index() - 2)
g.new_seek = True
def open_plugin(selection, data):
if plugin_by_index[selection] not in additive_plugins:
for p in g.plugins:
if isinstance(p, plugin_by_index[selection]):
return
g.plugins = [p for p in g.plugins if p.alive]
logger.debug('Open Plugin: %s' % name_by_index[selection])
new_plugin = plugin_by_index[selection](g)
g.plugins.append(new_plugin)
g.plugins.sort(key=lambda p: p.order)
if hasattr(new_plugin, 'init_gui'):
new_plugin.init_gui()
# save the value for atb bar
data.value = selection
def get_from_data(data):
"""
helper for atb getter and setter use
"""
return data.value
atb.init()
# add main controls ATB bar
bar = atb.Bar(name="Controls",
label="Controls",
help="Scene controls",
color=(50, 50, 50),
alpha=100,
valueswidth=150,
text='light',
position=(10, 10),
refresh=.1,
size=(300, 160))
bar.next_atb_pos = (10, 220)
bar.fps = c_float(0.0)
bar.timestamp = time()
bar.window_size = c_int(load("window_size", 0))
window_size_enum = atb.enum("Display Size", {
"Full": 0,
"Medium": 1,
"Half": 2,
"Mini": 3
})
bar.version = create_string_buffer(version, 512)
bar.recording_version = create_string_buffer(rec_version, 512)
bar.add_var("fps", bar.fps, step=1., readonly=True)
bar._fps = c_float(cap.get_fps())
bar.add_var("recoding fps", bar._fps, readonly=True)
bar.add_var("display size",
vtype=window_size_enum,
setter=set_window_size,
getter=get_from_data,
data=bar.window_size)
bar.add_var("play",
vtype=c_bool,
getter=get_play,
setter=set_play,
key="space")
bar.add_button('step next', next_frame, key='right')
bar.add_button('step prev', prev_frame, key='left')
bar.add_var("frame index", getter=lambda: cap.get_frame_index() - 1)
bar.plugin_to_load = c_int(0)
plugin_type_enum = atb.enum("Plug In", index_by_name)
bar.add_var("plugin",
setter=open_plugin,
getter=get_from_data,
data=bar.plugin_to_load,
vtype=plugin_type_enum)
bar.add_var(
"version of recording",
bar.recording_version,
readonly=True,
help="version of the capture software used to make this recording")
bar.add_var("version of player",
bar.version,
readonly=True,
help="version of the Pupil Player")
bar.add_button("exit", on_close, data=main_window, key="esc")
#set the last saved window size
set_window_size(bar.window_size.value, bar.window_size)
on_resize(main_window, *glfwGetWindowSize(main_window))
glfwSetWindowPos(main_window, 0, 0)
#we always load these plugins
g.plugins.append(
Export_Launcher(g, data_dir=rec_dir, frame_count=len(timestamps)))
g.plugins.append(Seek_Bar(g, capture=cap))
#these are loaded based on user settings
for initializer in load('plugins', []):
name, args = initializer
logger.debug("Loading plugin: %s with settings %s" % (name, args))
try:
p = plugin_by_name[name](g, **args)
g.plugins.append(p)
except:
logger.warning("Plugin '%s' failed to load from settings file." %
name)
if load('plugins', "_") == "_":
#lets load some default if we dont have presets
g.plugins.append(Scan_Path(g))
g.plugins.append(Vis_Polyline(g))
g.plugins.append(Vis_Circle(g))
# g.plugins.append(Vis_Light_Points(g))
#sort by exec order
g.plugins.sort(key=lambda p: p.order)
#init gui
for p in g.plugins:
if hasattr(p, 'init_gui'):
p.init_gui()
# gl_state settings
basic_gl_setup()
g.image_tex = create_named_texture((height, width, 3))
while not glfwWindowShouldClose(main_window):
update_fps()
#grab new frame
if g.play or g.new_seek:
try:
new_frame = cap.get_frame()
except EndofVideoFileError:
#end of video logic: pause at last frame.
g.play = False
if g.new_seek:
display_time = new_frame.timestamp
g.new_seek = False
frame = new_frame.copy()
#new positons and events we make a deepcopy just like the image should be a copy.
current_pupil_positions = deepcopy(positions_by_frame[frame.index])
events = []
# allow each Plugin to do its work.
for p in g.plugins:
p.update(frame, current_pupil_positions, events)
#check if a plugin need to be destroyed
g.plugins = [p for p in g.plugins if p.alive]
# render camera image
glfwMakeContextCurrent(main_window)
make_coord_system_norm_based()
draw_named_texture(g.image_tex, frame.img)
make_coord_system_pixel_based(frame.img.shape)
# render visual feedback from loaded plugins
for p in g.plugins:
p.gl_display()
#present frames at appropriate speed
wait_time = frame.timestamp - display_time
display_time = frame.timestamp
try:
spent_time = time() - timestamp
sleep(wait_time - spent_time)
except:
pass
timestamp = time()
atb.draw()
glfwSwapBuffers(main_window)
glfwPollEvents()
plugin_save = []
for p in g.plugins:
try:
p_initializer = p.get_class_name(), p.get_init_dict()
plugin_save.append(p_initializer)
except AttributeError:
#not all plugins need to be savable, they will not have the init dict.
# any object without a get_init_dict method will throw this exception.
pass
# de-init all running plugins
for p in g.plugins:
p.alive = False
#reading p.alive actually runs plug-in cleanup
_ = p.alive
save('plugins', plugin_save)
save('window_size', bar.window_size.value)
session_settings.close()
cap.close()
bar.destroy()
glfwDestroyWindow(main_window)
glfwTerminate()
logger.debug("Process done")
def export(should_terminate,frames_to_export,current_frame, data_dir,start_frame=None,end_frame=None,plugin_initializers=[],out_file_path=None):
logger = logging.getLogger(__name__+' with pid: '+str(os.getpid()) )
#parse and load data dir info
video_path = data_dir + "/world.avi"
timestamps_path = data_dir + "/timestamps.npy"
gaze_positions_path = data_dir + "/gaze_positions.npy"
record_path = data_dir + "/world_viz.avi"
#parse info.csv file
with open(data_dir + "/info.csv") as info:
meta_info = dict( ((line.strip().split('\t')) for line in info.readlines() ) )
rec_version = meta_info["Capture Software Version"]
rec_version_int = int(filter(type(rec_version).isdigit, rec_version)[:3])/100 #(get major,minor,fix of version)
logger.debug("Exporting a video from recording with version: %s , %s"%(rec_version,rec_version_int))
#load gaze information
gaze_list = np.load(gaze_positions_path)
timestamps = np.load(timestamps_path)
#correlate data
positions_by_frame = correlate_gaze(gaze_list,timestamps)
# Initialize capture, check if it works
cap = autoCreateCapture(video_path,timestamps=timestamps_path)
if cap is None:
logger.error("Did not receive valid Capture")
return
width,height = cap.get_size()
#Out file path verification, we do this before but if one uses a seperate tool, this will kick in.
if out_file_path is None:
out_file_path = os.path.join(data_dir, "world_viz.avi")
else:
file_name = os.path.basename(out_file_path)
dir_name = os.path.dirname(out_file_path)
if not dir_name:
dir_name = data_dir
if not file_name:
file_name = 'world_viz.avi'
out_file_path = os.path.expanduser(os.path.join(dir_name,file_name))
if os.path.isfile(out_file_path):
logger.warning("Video out file already exsists. I will overwrite!")
os.remove(out_file_path)
logger.debug("Saving Video to %s"%out_file_path)
#Trim mark verification
#make sure the trim marks (start frame, endframe) make sense: We define them like python list slices,thus we can test them like such.
trimmed_timestamps = timestamps[start_frame:end_frame]
if len(trimmed_timestamps)==0:
logger.warn("Start and end frames are set such that no video will be exported.")
return False
if start_frame == None:
start_frame = 0
#these two vars are shared with the lauching process and give an job lenght and progress report.
frames_to_export.value = len(trimmed_timestamps)
current_frame.value = 0
logger.debug("Will export from frame %s to frame %s. This means I will export %s frames."%(start_frame,start_frame+frames_to_export.value,frames_to_export.value))
#lets get the avg. framerate for our slice of video:
fps = float(len(trimmed_timestamps))/(trimmed_timestamps[-1] - trimmed_timestamps[0])
logger.debug("Framerate of export video is %s"%fps)
#setup of writer
writer = cv2.VideoWriter(out_file_path, cv2.cv.CV_FOURCC(*'DIVX'), fps, (width,height))
cap.seek_to_frame(start_frame)
start_time = time()
plugins = []
g = Temp()
g.plugins = plugins
g.app = 'exporter'
# load plugins from initializers:
for initializer in plugin_initializers:
name, args = initializer
logger.debug("Loading plugin: %s with settings %s"%(name, args))
try:
p = plugin_by_name[name](g,**args)
plugins.append(p)
except:
logger.warning("Plugin '%s' failed to load." %name)
while frames_to_export.value - current_frame.value > 0:
if should_terminate.value:
logger.warning("User aborted export. Exported %s frames to %s."%(current_frame.value,out_file_path))
#explicit release of VideoWriter
writer.release()
writer = None
return False
new_frame = cap.get_frame()
#end of video logic: pause at last frame.
if not new_frame:
logger.error("Could not read all frames.")
#explicit release of VideoWriter
writer.release()
writer = None
return False
else:
frame = new_frame
#new positons and events
current_pupil_positions = positions_by_frame[frame.index]
events = None
# allow each Plugin to do its work.
for p in plugins:
p.update(frame,current_pupil_positions,events)
# # render gl visual feedback from loaded plugins
# for p in plugins:
# p.gl_display(frame)
writer.write(frame.img)
current_frame.value +=1
writer.release()
writer = None
duration = time()-start_time
effective_fps = float(current_frame.value)/duration
logger.info("Export done: Exported %s frames to %s. This took %s seconds. Exporter ran at %s frames per second"%(current_frame.value,out_file_path,duration,effective_fps))
return True
def world(g_pool, cap_src, cap_size):
"""world
Creates a window, gl context.
Grabs images from a capture.
Receives Pupil coordinates from g_pool.pupil_queue
Can run various plug-ins.
"""
# Callback functions
def on_resize(window, w, h):
active_window = glfwGetCurrentContext()
glfwMakeContextCurrent(window)
norm_size = normalize((w, h), glfwGetWindowSize(window))
fb_size = denormalize(norm_size, glfwGetFramebufferSize(window))
atb.TwWindowSize(*map(int, fb_size))
adjust_gl_view(w, h, window)
glfwMakeContextCurrent(active_window)
for p in g_pool.plugins:
p.on_window_resize(window, w, h)
def on_iconify(window, iconfied):
if not isinstance(cap, FakeCapture):
g_pool.update_textures.value = not iconfied
def on_key(window, key, scancode, action, mods):
if not atb.TwEventKeyboardGLFW(key, action):
if action == GLFW_PRESS:
if key == GLFW_KEY_ESCAPE:
on_close(window)
def on_char(window, char):
if not atb.TwEventCharGLFW(char, 1):
pass
def on_button(window, button, action, mods):
if not atb.TwEventMouseButtonGLFW(button, action):
pos = glfwGetCursorPos(window)
pos = normalize(pos, glfwGetWindowSize(world_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):
norm_pos = normalize((x, y), glfwGetWindowSize(window))
fb_x, fb_y = denormalize(norm_pos, glfwGetFramebufferSize(window))
if atb.TwMouseMotion(int(fb_x), int(fb_y)):
pass
def on_scroll(window, x, y):
if not atb.TwMouseWheel(int(x)):
pass
def on_close(window):
g_pool.quit.value = True
logger.info('Process closing from window')
# load session persistent settings
session_settings = Persistent_Dict(
os.path.join(g_pool.user_dir, 'user_settings_world'))
def load(var_name, default):
return session_settings.get(var_name, default)
def save(var_name, var):
session_settings[var_name] = var
# Initialize capture
cap = autoCreateCapture(cap_src, cap_size, 24, timebase=g_pool.timebase)
# Get an image from the grabber
try:
frame = cap.get_frame()
except CameraCaptureError:
logger.error("Could not retrieve image from capture")
cap.close()
return
height, width = frame.img.shape[:2]
# load last calibration data
try:
pt_cloud = np.load(os.path.join(g_pool.user_dir, 'cal_pt_cloud.npy'))
logger.debug("Using calibration found in %s" % g_pool.user_dir)
map_pupil = calibrate.get_map_from_cloud(pt_cloud, (width, height))
except:
logger.debug("No calibration found.")
def map_pupil(vector):
""" 1 to 1 mapping """
return vector
# any object we attach to the g_pool object *from now on* will only be visible to this process!
# vars should be declared here to make them visible to the code reader.
g_pool.plugins = []
g_pool.map_pupil = map_pupil
g_pool.update_textures = c_bool(1)
if isinstance(cap, FakeCapture):
g_pool.update_textures.value = False
g_pool.capture = cap
g_pool.rec_name = recorder.get_auto_name()
# helpers called by the main atb bar
def update_fps():
old_time, bar.timestamp = bar.timestamp, time()
dt = bar.timestamp - old_time
if dt:
bar.fps.value += .05 * (1. / dt - bar.fps.value)
def set_window_size(mode, data):
height, width = frame.img.shape[:2]
ratio = (1, .75, .5, .25)[mode]
w, h = int(width * ratio), int(height * ratio)
glfwSetWindowSize(world_window, w, h)
data.value = mode # update the bar.value
def get_from_data(data):
"""
helper for atb getter and setter use
"""
return data.value
def set_rec_dir(val):
try:
n_path = os.path.expanduser(val.value)
logger.debug("Expanded user path.")
except:
n_path = val.value
if not n_path:
logger.warning("Please specify a path.")
elif not os.path.isdir(n_path):
logger.warning("This is not a valid path.")
else:
g_pool.rec_dir = n_path
def get_rec_dir():
return create_string_buffer(g_pool.rec_dir, 512)
def set_rec_name(val):
if not val.value:
g_pool.rec_name = recorder.get_auto_name()
else:
g_pool.rec_name = val.value
def get_rec_name():
return create_string_buffer(g_pool.rec_name, 512)
def open_calibration(selection, data):
# prepare destruction of current ref_detector... and remove it
for p in g_pool.plugins:
if isinstance(p, calibration_routines.detector_by_index):
p.alive = False
g_pool.plugins = [p for p in g_pool.plugins if p.alive]
new_ref_detector = calibration_routines.detector_by_index[selection](
g_pool, atb_pos=bar.next_atb_pos)
g_pool.plugins.append(new_ref_detector)
g_pool.plugins.sort(key=lambda p: p.order)
# save the value for atb bar
data.value = selection
def toggle_record_video():
for p in g_pool.plugins:
if isinstance(p, recorder.Recorder):
p.alive = False
return
new_plugin = recorder.Recorder(g_pool, g_pool.rec_name, bar.fps.value,
frame.img.shape, bar.record_eye.value,
g_pool.eye_tx, bar.audio.value)
g_pool.plugins.append(new_plugin)
g_pool.plugins.sort(key=lambda p: p.order)
def toggle_show_calib_result():
for p in g_pool.plugins:
if isinstance(p, Show_Calibration):
p.alive = False
return
new_plugin = Show_Calibration(g_pool, frame.img.shape)
g_pool.plugins.append(new_plugin)
g_pool.plugins.sort(key=lambda p: p.order)
def toggle_server():
for p in g_pool.plugins:
if isinstance(p, Pupil_Server):
p.alive = False
return
new_plugin = Pupil_Server(g_pool, (10, 300))
g_pool.plugins.append(new_plugin)
g_pool.plugins.sort(key=lambda p: p.order)
def toggle_remote():
for p in g_pool.plugins:
if isinstance(p, Pupil_Remote):
p.alive = False
return
new_plugin = Pupil_Remote(g_pool, (10, 360), on_char)
g_pool.plugins.append(new_plugin)
g_pool.plugins.sort(key=lambda p: p.order)
def toggle_ar():
for p in g_pool.plugins:
if isinstance(p, Marker_Detector):
p.alive = False
return
new_plugin = Marker_Detector(g_pool, (10, 400))
g_pool.plugins.append(new_plugin)
g_pool.plugins.sort(key=lambda p: p.order)
def reset_timebase():
#the last frame from worldcam will be t0
g_pool.timebase.value = g_pool.capture.get_now()
logger.info(
"New timebase set to %s all timestamps will count from here now." %
g_pool.timebase.value)
atb.init()
# add main controls ATB bar
bar = atb.Bar(name="World",
label="Controls",
help="Scene controls",
color=(50, 50, 50),
alpha=100,
valueswidth=150,
text='light',
position=(10, 10),
refresh=.3,
size=(300, 200))
bar.next_atb_pos = (10, 220)
bar.fps = c_float(0.0)
bar.timestamp = time()
bar.calibration_type = c_int(load("calibration_type", 0))
bar.record_eye = c_bool(load("record_eye", 0))
bar.audio = c_int(load("audio", -1))
bar.window_size = c_int(load("window_size", 0))
window_size_enum = atb.enum("Display Size", {
"Full": 0,
"Medium": 1,
"Half": 2,
"Mini": 3
})
calibrate_type_enum = atb.enum("Calibration Method",
calibration_routines.index_by_name)
audio_enum = atb.enum("Audio Input", dict(Audio_Input_List()))
bar.version = create_string_buffer(g_pool.version, 512)
bar.add_var(
"fps",
bar.fps,
step=1.,
readonly=True,
help=
"Refresh speed of this process. Especially during recording it should not drop below the camera set frame rate."
)
bar.add_var(
"display size",
vtype=window_size_enum,
setter=set_window_size,
getter=get_from_data,
data=bar.window_size,
help="Resize the world window. This has no effect on the actual image."
)
bar.add_var("calibration method",
setter=open_calibration,
getter=get_from_data,
data=bar.calibration_type,
vtype=calibrate_type_enum,
group="Calibration",
help="Please choose your desired calibration method.")
bar.add_button("show calibration result",
toggle_show_calib_result,
group="Calibration",
help="Click to show calibration result.")
bar.add_var("rec dir",
create_string_buffer(512),
getter=get_rec_dir,
setter=set_rec_dir,
group="Recording",
help="Specify the recording path")
bar.add_var("session name",
create_string_buffer(512),
getter=get_rec_name,
setter=set_rec_name,
group="Recording",
help="Give your recording session a custom name.")
bar.add_button("record",
toggle_record_video,
key="r",
group="Recording",
help="Start/Stop Recording")
bar.add_var("record eye",
bar.record_eye,
group="Recording",
help="check to save raw video of eye")
bar.add_var("record audio",
bar.audio,
vtype=audio_enum,
group="Recording",
help="Select from audio recording options.")
bar.add_button(
"start/stop marker tracking",
toggle_ar,
key="x",
help="find markers in scene to map gaze onto referace surfaces")
bar.add_button(
"start/stop server",
toggle_server,
key="s",
help=
"the server broadcasts pupil and gaze positions locally or via network"
)
bar.add_button("start/stop remote",
toggle_remote,
key="w",
help="remote allows seding commad to pupil via network")
bar.add_button(
"set timebase to now",
reset_timebase,
help="this button allows the timestamps to count from now on.",
key="t")
bar.add_var(
"update screen",
g_pool.update_textures,
help=
"if you dont need to see the camera image updated, you can turn this of to reduce CPU load."
)
bar.add_separator("Sep1")
bar.add_var("version", bar.version, readonly=True)
bar.add_var("exit", g_pool.quit)
# add uvc camera controls ATB bar
cap.create_atb_bar(pos=(320, 10))
# Initialize glfw
glfwInit()
world_window = glfwCreateWindow(width, height, "World", None, None)
glfwMakeContextCurrent(world_window)
# Register callbacks world_window
glfwSetWindowSizeCallback(world_window, on_resize)
glfwSetWindowCloseCallback(world_window, on_close)
glfwSetWindowIconifyCallback(world_window, on_iconify)
glfwSetKeyCallback(world_window, on_key)
glfwSetCharCallback(world_window, on_char)
glfwSetMouseButtonCallback(world_window, on_button)
glfwSetCursorPosCallback(world_window, on_pos)
glfwSetScrollCallback(world_window, on_scroll)
#set the last saved window size
set_window_size(bar.window_size.value, bar.window_size)
on_resize(world_window, *glfwGetWindowSize(world_window))
glfwSetWindowPos(world_window, 0, 0)
# gl_state settings
basic_gl_setup()
g_pool.image_tex = create_named_texture(frame.img)
# refresh speed settings
glfwSwapInterval(0)
#load calibration plugin
open_calibration(bar.calibration_type.value, bar.calibration_type)
#load gaze_display plugin
g_pool.plugins.append(Display_Recent_Gaze(g_pool))
# Event loop
while not g_pool.quit.value:
# Get an image from the grabber
try:
frame = cap.get_frame()
except CameraCaptureError:
logger.error("Capture from Camera Failed. Stopping.")
break
except EndofVideoFileError:
logger.warning("Video File is done. Stopping")
break
update_fps()
#a container that allows plugins to post and read events
events = []
#receive and map pupil positions
recent_pupil_positions = []
while not g_pool.pupil_queue.empty():
p = g_pool.pupil_queue.get()
if p['norm_pupil'] is None:
p['norm_gaze'] = None
else:
p['norm_gaze'] = g_pool.map_pupil(p['norm_pupil'])
recent_pupil_positions.append(p)
# allow each Plugin to do its work.
for p in g_pool.plugins:
p.update(frame, recent_pupil_positions, events)
#check if a plugin need to be destroyed
g_pool.plugins = [p for p in g_pool.plugins if p.alive]
# render camera image
glfwMakeContextCurrent(world_window)
make_coord_system_norm_based()
if g_pool.update_textures.value:
draw_named_texture(g_pool.image_tex, frame.img)
else:
draw_named_texture(g_pool.image_tex)
make_coord_system_pixel_based(frame.img.shape)
# render visual feedback from loaded plugins
for p in g_pool.plugins:
p.gl_display()
atb.draw()
glfwSwapBuffers(world_window)
glfwPollEvents()
# de-init all running plugins
for p in g_pool.plugins:
p.alive = False
#reading p.alive actually runs plug-in cleanup
_ = p.alive
save('window_size', bar.window_size.value)
save('calibration_type', bar.calibration_type.value)
save('record_eye', bar.record_eye.value)
save('audio', bar.audio.value)
session_settings.close()
cap.close()
atb.terminate()
glfwDestroyWindow(world_window)
glfwTerminate()
logger.debug("Process done")
def fill_cache(visited_list,video_file_path,q,seek_idx,run):
'''
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 uvc_capture import autoCreateCapture, EndofVideoFileError,FileSeekError
from square_marker_detect import detect_markers_robust
min_marker_perimeter = 80
aperture = 9
markers = []
cap = autoCreateCapture(video_file_path)
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()
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.close()
q.close()
return
def world(g_pool, cap_src, cap_size):
"""world
Creates a window, gl context.
Grabs images from a capture.
Receives Pupil coordinates from g_pool.pupil_queue
Can run various plug-ins.
"""
# Callback functions
def on_resize(window, w, h):
active_window = glfwGetCurrentContext()
glfwMakeContextCurrent(window)
adjust_gl_view(w, h)
atb.TwWindowSize(w, h)
glfwMakeContextCurrent(active_window)
def on_key(window, key, scancode, action, mods):
if not atb.TwEventKeyboardGLFW(key, action):
if action == GLFW_PRESS:
if key == GLFW_KEY_ESCAPE:
on_close(window)
def on_char(window, char):
if not atb.TwEventCharGLFW(char, 1):
pass
def on_button(window, button, action, mods):
if not atb.TwEventMouseButtonGLFW(button, action):
pos = glfwGetCursorPos(window)
pos = normalize(pos, glfwGetWindowSize(world_window))
pos = denormalize(pos,
(frame.img.shape[1],
frame.img.shape[0])) # Position in img pixels
for p in g.plugins:
p.on_click(pos, button, action)
def on_pos(window, x, y):
if atb.TwMouseMotion(int(x), int(y)):
pass
def on_scroll(window, x, y):
if not atb.TwMouseWheel(int(x)):
pass
def on_close(window):
g_pool.quit.value = True
logger.info('Process closing from window')
# load session persistent settings
session_settings = shelve.open(os.path.join(g_pool.user_dir,
'user_settings_world'),
protocol=2)
def load(var_name, default):
return session_settings.get(var_name, default)
def save(var_name, var):
session_settings[var_name] = var
# Initialize capture, check if it works
cap = autoCreateCapture(cap_src, cap_size, 24)
if cap is None:
logger.error("Did not receive valid Capture")
return
frame = cap.get_frame()
if frame.img is None:
logger.error("Could not retrieve image from capture")
cap.close()
return
height, width = frame.img.shape[:2]
# helpers called by the main atb bar
def update_fps():
old_time, bar.timestamp = bar.timestamp, time()
dt = bar.timestamp - old_time
if dt:
bar.fps.value += .05 * (1. / dt - bar.fps.value)
def set_window_size(mode, data):
height, width = frame.img.shape[:2]
ratio = (1, .75, .5, .25)[mode]
w, h = int(width * ratio), int(height * ratio)
glfwSetWindowSize(world_window, w, h)
data.value = mode # update the bar.value
def get_from_data(data):
"""
helper for atb getter and setter use
"""
return data.value
def open_calibration(selection, data):
# prepare destruction of current ref_detector... and remove it
for p in g.plugins:
if isinstance(p, calibration_routines.detector_by_index):
p.alive = False
g.plugins = [p for p in g.plugins if p.alive]
new_ref_detector = calibration_routines.detector_by_index[selection](
g_pool, atb_pos=bar.next_atb_pos)
g.plugins.append(new_ref_detector)
g.plugins.sort(key=lambda p: p.order)
# save the value for atb bar
data.value = selection
def toggle_record_video():
for p in g.plugins:
if isinstance(p, recorder.Recorder):
p.alive = False
return
# set up folder within recordings named by user input in atb
if not bar.rec_name.value:
bar.rec_name.value = recorder.get_auto_name()
new_plugin = recorder.Recorder(g_pool, bar.rec_name.value,
bar.fps.value, frame.img.shape,
bar.record_eye.value, g_pool.eye_tx)
g.plugins.append(new_plugin)
g.plugins.sort(key=lambda p: p.order)
def toggle_show_calib_result():
for p in g.plugins:
if isinstance(p, Show_Calibration):
p.alive = False
return
new_plugin = Show_Calibration(g_pool, frame.img.shape)
g.plugins.append(new_plugin)
g.plugins.sort(key=lambda p: p.order)
def toggle_server():
for p in g.plugins:
if isinstance(p, Pupil_Server):
p.alive = False
return
new_plugin = Pupil_Server(g_pool, (10, 300))
g.plugins.append(new_plugin)
g.plugins.sort(key=lambda p: p.order)
def toggle_ar():
for p in g.plugins:
if isinstance(p, Marker_Detector):
p.alive = False
return
new_plugin = Marker_Detector(g_pool, (10, 400))
g.plugins.append(new_plugin)
g.plugins.sort(key=lambda p: p.order)
atb.init()
# add main controls ATB bar
bar = atb.Bar(name="World",
label="Controls",
help="Scene controls",
color=(50, 50, 50),
alpha=100,
valueswidth=150,
text='light',
position=(10, 10),
refresh=.3,
size=(300, 200))
bar.next_atb_pos = (10, 220)
bar.fps = c_float(0.0)
bar.timestamp = time()
bar.calibration_type = c_int(load("calibration_type", 0))
bar.record_eye = c_bool(load("record_eye", 0))
bar.window_size = c_int(load("window_size", 0))
window_size_enum = atb.enum("Display Size", {
"Full": 0,
"Medium": 1,
"Half": 2,
"Mini": 3
})
calibrate_type_enum = atb.enum("Calibration Method",
calibration_routines.index_by_name)
bar.rec_name = create_string_buffer(512)
bar.version = create_string_buffer(g_pool.version, 512)
bar.rec_name.value = recorder.get_auto_name()
bar.add_var(
"fps",
bar.fps,
step=1.,
readonly=True,
help=
"Refresh speed of this process. Especially during recording it should not drop below the camera set frame rate."
)
bar.add_var(
"display size",
vtype=window_size_enum,
setter=set_window_size,
getter=get_from_data,
data=bar.window_size,
help="Resize the world window. This has no effect on the actual image."
)
bar.add_var("calibration method",
setter=open_calibration,
getter=get_from_data,
data=bar.calibration_type,
vtype=calibrate_type_enum,
group="Calibration",
help="Please choose your desired calibration method.")
bar.add_button("show calibration result",
toggle_show_calib_result,
group="Calibration",
help="Click to show calibration result.")
bar.add_var("session name",
bar.rec_name,
group="Recording",
help="Give your recording session a custom name.")
bar.add_button("record",
toggle_record_video,
key="r",
group="Recording",
help="Start/Stop Recording")
bar.add_var("record eye",
bar.record_eye,
group="Recording",
help="check to save raw video of eye")
bar.add_button(
"start/stop marker tracking",
toggle_ar,
key="x",
help="find markers in scene to map gaze onto referace surfaces")
bar.add_button(
"start/stop server",
toggle_server,
key="s",
help=
"the server broadcasts pupil and gaze positions locally or via network"
)
bar.add_separator("Sep1")
bar.add_var("version", bar.version, readonly=True)
bar.add_var("exit", g_pool.quit)
# add uvc camera controls ATB bar
cap.create_atb_bar(pos=(320, 10))
# Initialize glfw
glfwInit()
world_window = glfwCreateWindow(width, height, "World", None, None)
glfwMakeContextCurrent(world_window)
# Register callbacks world_window
glfwSetWindowSizeCallback(world_window, on_resize)
glfwSetWindowCloseCallback(world_window, on_close)
glfwSetKeyCallback(world_window, on_key)
glfwSetCharCallback(world_window, on_char)
glfwSetMouseButtonCallback(world_window, on_button)
glfwSetCursorPosCallback(world_window, on_pos)
glfwSetScrollCallback(world_window, on_scroll)
#set the last saved window size
set_window_size(bar.window_size.value, bar.window_size)
on_resize(world_window, *glfwGetFramebufferSize(world_window))
glfwSetWindowPos(world_window, 0, 0)
# gl_state settings
basic_gl_setup()
# refresh speed settings
glfwSwapInterval(0)
# load last calibration data
try:
pt_cloud = np.load(os.path.join(g_pool.user_dir, 'cal_pt_cloud.npy'))
logger.info("Using calibration found in %s" % g_pool.user_dir)
map_pupil = calibrate.get_map_from_cloud(pt_cloud, (width, height))
except:
logger.info("No calibration found.")
def map_pupil(vector):
""" 1 to 1 mapping
"""
return vector
# create container for globally scoped vars (within world)
g = Temp()
g.plugins = []
g_pool.map_pupil = map_pupil
#load calibration plugin
open_calibration(bar.calibration_type.value, bar.calibration_type)
#load gaze_display plugin
g.plugins.append(Display_Recent_Gaze(g_pool))
# Event loop
while not g_pool.quit.value:
# Get an image from the grabber
frame = cap.get_frame()
update_fps()
#a container that allows plugins to post and read events
events = []
#receive and map pupil positions
recent_pupil_positions = []
while not g_pool.pupil_queue.empty():
p = g_pool.pupil_queue.get()
if p['norm_pupil'] is None:
p['norm_gaze'] = None
else:
p['norm_gaze'] = g_pool.map_pupil(p['norm_pupil'])
recent_pupil_positions.append(p)
# allow each Plugin to do its work.
for p in g.plugins:
p.update(frame, recent_pupil_positions, events)
#check if a plugin need to be destroyed
g.plugins = [p for p in g.plugins if p.alive]
# render camera image
glfwMakeContextCurrent(world_window)
draw_gl_texture(frame.img)
# render visual feedback from loaded plugins
for p in g.plugins:
p.gl_display()
atb.draw()
glfwSwapBuffers(world_window)
glfwPollEvents()
# de-init all running plugins
for p in g.plugins:
p.alive = False
#reading p.alive actually runs plug-in cleanup
_ = p.alive
save('window_size', bar.window_size.value)
save('calibration_type', bar.calibration_type.value)
save('record_eye', bar.record_eye.value)
session_settings.close()
cap.close()
glfwDestroyWindow(world_window)
glfwTerminate()
logger.debug("Process done")
def eye(g_pool, cap_src, cap_size):
"""
Creates a window, gl context.
Grabs images from a capture.
Streams Pupil coordinates into g_pool.pupil_queue
"""
# modify the root logger for this process
logger = logging.getLogger()
# remove inherited handlers
logger.handlers = []
# create file handler which logs even debug messages
fh = logging.FileHandler(os.path.join(g_pool.user_dir, 'eye.log'),
mode='w')
fh.setLevel(logging.DEBUG)
# create console handler with a higher log level
ch = logging.StreamHandler()
ch.setLevel(logging.WARNING)
# create formatter and add it to the handlers
formatter = logging.Formatter(
'EYE Process: %(asctime)s - %(name)s - %(levelname)s - %(message)s')
fh.setFormatter(formatter)
formatter = logging.Formatter(
'E Y E Process [%(levelname)s] %(name)s : %(message)s')
ch.setFormatter(formatter)
# add the handlers to the logger
logger.addHandler(fh)
logger.addHandler(ch)
# create logger for the context of this function
logger = logging.getLogger(__name__)
# Callback functions
def on_resize(window, w, h):
adjust_gl_view(w, h, window)
norm_size = normalize((w, h), glfwGetWindowSize(window))
fb_size = denormalize(norm_size, glfwGetFramebufferSize(window))
atb.TwWindowSize(*map(int, fb_size))
def on_key(window, key, scancode, action, mods):
if not atb.TwEventKeyboardGLFW(key, int(action == GLFW_PRESS)):
if action == GLFW_PRESS:
if key == GLFW_KEY_ESCAPE:
on_close(window)
def on_char(window, char):
if not atb.TwEventCharGLFW(char, 1):
pass
def on_button(window, button, action, mods):
if not atb.TwEventMouseButtonGLFW(button, int(action == GLFW_PRESS)):
if action == GLFW_PRESS:
if bar.display.value == 1:
pos = glfwGetCursorPos(window)
pos = normalize(pos, glfwGetWindowSize(window))
pos = denormalize(
pos, (frame.img.shape[1],
frame.img.shape[0])) # pos in frame.img pixels
u_r.setStart(pos)
bar.draw_roi.value = 1
else:
bar.draw_roi.value = 0
def on_pos(window, x, y):
norm_pos = normalize((x, y), glfwGetWindowSize(window))
fb_x, fb_y = denormalize(norm_pos, glfwGetFramebufferSize(window))
if atb.TwMouseMotion(int(fb_x), int(fb_y)):
pass
if bar.draw_roi.value == 1:
pos = denormalize(norm_pos,
(frame.img.shape[1],
frame.img.shape[0])) # pos in frame.img pixels
u_r.setEnd(pos)
def on_scroll(window, x, y):
if not atb.TwMouseWheel(int(x)):
pass
def on_close(window):
g_pool.quit.value = True
logger.info('Process closing from window')
# Helper functions called by the main atb bar
def start_roi():
bar.display.value = 1
bar.draw_roi.value = 2
def update_fps():
old_time, bar.timestamp = bar.timestamp, time()
dt = bar.timestamp - old_time
if dt:
bar.fps.value += .05 * (1. / dt - bar.fps.value)
bar.dt.value = dt
def get_from_data(data):
"""
helper for atb getter and setter use
"""
return data.value
# load session persistent settings
session_settings = Persistent_Dict(
os.path.join(g_pool.user_dir, 'user_settings_eye'))
def load(var_name, default):
return session_settings.get(var_name, default)
def save(var_name, var):
session_settings[var_name] = var
# Initialize capture
cap = autoCreateCapture(cap_src, cap_size, timebase=g_pool.timebase)
if cap is None:
logger.error("Did not receive valid Capture")
return
# check if it works
frame = cap.get_frame()
if frame.img is None:
logger.error("Could not retrieve image from capture")
cap.close()
return
height, width = frame.img.shape[:2]
u_r = Roi(frame.img.shape)
u_r.set(load('roi', default=None))
writer = None
pupil_detector = Canny_Detector(g_pool)
atb.init()
# Create main ATB Controls
bar = atb.Bar(name="Eye",
label="Display",
help="Scene controls",
color=(50, 50, 50),
alpha=100,
text='light',
position=(10, 10),
refresh=.3,
size=(200, 100))
bar.fps = c_float(0.0)
bar.timestamp = time()
bar.dt = c_float(0.0)
bar.sleep = c_float(0.0)
bar.display = c_int(load('bar.display', 0))
bar.draw_pupil = c_bool(load('bar.draw_pupil', True))
bar.draw_roi = c_int(0)
dispay_mode_enum = atb.enum("Mode", {
"Camera Image": 0,
"Region of Interest": 1,
"Algorithm": 2,
"CPU Save": 3
})
bar.add_var("FPS", bar.fps, step=1., readonly=True)
bar.add_var("Mode",
bar.display,
vtype=dispay_mode_enum,
help="select the view-mode")
bar.add_var("Show_Pupil_Point", bar.draw_pupil)
bar.add_button("Draw_ROI",
start_roi,
help="drag on screen to select a region of interest")
bar.add_var("SlowDown", bar.sleep, step=0.01, min=0.0)
bar.add_var("SaveSettings&Exit", g_pool.quit)
cap.create_atb_bar(pos=(220, 10))
# create a bar for the detector
pupil_detector.create_atb_bar(pos=(10, 120))
glfwInit()
window = glfwCreateWindow(width, height, "Eye", None, None)
glfwMakeContextCurrent(window)
# Register callbacks window
glfwSetWindowSizeCallback(window, on_resize)
glfwSetWindowCloseCallback(window, on_close)
glfwSetKeyCallback(window, on_key)
glfwSetCharCallback(window, on_char)
glfwSetMouseButtonCallback(window, on_button)
glfwSetCursorPosCallback(window, on_pos)
glfwSetScrollCallback(window, on_scroll)
glfwSetWindowPos(window, 800, 0)
on_resize(window, width, height)
# gl_state settings
basic_gl_setup()
g_pool.image_tex = create_named_texture(frame.img)
# refresh speed settings
glfwSwapInterval(0)
# event loop
while not g_pool.quit.value:
# Get an image from the grabber
try:
frame = cap.get_frame()
except CameraCaptureError:
logger.error("Capture from Camera Failed. Stopping.")
break
except EndofVideoFileError:
logger.warning("Video File is done. Stopping")
break
update_fps()
sleep(bar.sleep.value) # for debugging only
### RECORDING of Eye Video (on demand) ###
# Setup variables and lists for recording
if g_pool.eye_rx.poll():
command = g_pool.eye_rx.recv()
if command is not None:
record_path = command
logger.info("Will save eye video to: %s" % record_path)
video_path = os.path.join(record_path, "eye.avi")
timestamps_path = os.path.join(record_path,
"eye_timestamps.npy")
writer = cv2.VideoWriter(
video_path, cv2.cv.CV_FOURCC(*'DIVX'), bar.fps.value,
(frame.img.shape[1], frame.img.shape[0]))
timestamps = []
else:
logger.info("Done recording eye.")
writer = None
np.save(timestamps_path, np.asarray(timestamps))
del timestamps
if writer:
writer.write(frame.img)
timestamps.append(frame.timestamp)
# pupil ellipse detection
result = pupil_detector.detect(frame,
user_roi=u_r,
visualize=bar.display.value == 2)
# stream the result
g_pool.pupil_queue.put(result)
# VISUALIZATION direct visualizations on the frame.img data
if bar.display.value == 1:
# and a solid (white) frame around the user defined ROI
r_img = frame.img[u_r.lY:u_r.uY, u_r.lX:u_r.uX]
r_img[:, 0] = 255, 255, 255
r_img[:, -1] = 255, 255, 255
r_img[0, :] = 255, 255, 255
r_img[-1, :] = 255, 255, 255
# GL-drawing
clear_gl_screen()
make_coord_system_norm_based()
if bar.display.value != 3:
draw_named_texture(g_pool.image_tex, frame.img)
else:
draw_named_texture(g_pool.image_tex)
make_coord_system_pixel_based(frame.img.shape)
if result['norm_pupil'] is not None and bar.draw_pupil.value:
if result.has_key('axes'):
pts = cv2.ellipse2Poly(
(int(result['center'][0]), int(result['center'][1])),
(int(result["axes"][0] / 2), int(result["axes"][1] / 2)),
int(result["angle"]), 0, 360, 15)
draw_gl_polyline(pts, (1., 0, 0, .5))
draw_gl_point_norm(result['norm_pupil'], color=(1., 0., 0., 0.5))
atb.draw()
glfwSwapBuffers(window)
glfwPollEvents()
# END while running
# in case eye reconding was still runnnig: Save&close
if writer:
logger.info("Done recording eye.")
writer = None
np.save(timestamps_path, np.asarray(timestamps))
# save session persistent settings
save('roi', u_r.get())
save('bar.display', bar.display.value)
save('bar.draw_pupil', bar.draw_pupil.value)
session_settings.close()
pupil_detector.cleanup()
cap.close()
atb.terminate()
glfwDestroyWindow(window)
glfwTerminate()
#flushing queue incase world process did not exit gracefully
while not g_pool.pupil_queue.empty():
g_pool.pupil_queue.get()
g_pool.pupil_queue.close()
logger.debug("Process done")
def eye(g_pool, cap_src, cap_size, rx_from_world, eye_id=0):
"""
Creates a window, gl context.
Grabs images from a capture.
Streams Pupil coordinates into g_pool.pupil_queue
"""
# modify the root logger for this process
logger = logging.getLogger()
# remove inherited handlers
logger.handlers = []
# create file handler which logs even debug messages
fh = logging.FileHandler(os.path.join(g_pool.user_dir,
'eye%s.log' % eye_id),
mode='w')
# fh.setLevel(logging.DEBUG)
# create console handler with a higher log level
ch = logging.StreamHandler()
ch.setLevel(logger.level + 10)
# create formatter and add it to the handlers
formatter = logging.Formatter(
'Eye' + str(eye_id) +
' Process: %(asctime)s - %(name)s - %(levelname)s - %(message)s')
fh.setFormatter(formatter)
formatter = logging.Formatter(
'EYE' + str(eye_id) +
' Process [%(levelname)s] %(name)s : %(message)s')
ch.setFormatter(formatter)
# add the handlers to the logger
logger.addHandler(fh)
logger.addHandler(ch)
# create logger for the context of this function
logger = logging.getLogger(__name__)
# Callback functions
def on_resize(window, w, h):
active_window = glfwGetCurrentContext()
glfwMakeContextCurrent(window)
hdpi_factor = glfwGetFramebufferSize(window)[0] / glfwGetWindowSize(
window)[0]
w, h = w * hdpi_factor, h * hdpi_factor
g_pool.gui.update_window(w, h)
graph.adjust_size(w, h)
adjust_gl_view(w, h)
# for p in g_pool.plugins:
# p.on_window_resize(window,w,h)
glfwMakeContextCurrent(active_window)
def on_key(window, key, scancode, action, mods):
g_pool.gui.update_key(key, scancode, action, mods)
def on_char(window, char):
g_pool.gui.update_char(char)
def on_button(window, button, action, mods):
if g_pool.display_mode == 'roi':
if action == GLFW_RELEASE and u_r.active_edit_pt:
u_r.active_edit_pt = False
return # if the roi interacts we dont what the gui to interact as well
elif action == GLFW_PRESS:
pos = glfwGetCursorPos(window)
pos = normalize(pos, glfwGetWindowSize(main_window))
if g_pool.flip:
pos = 1 - pos[0], 1 - pos[1]
pos = denormalize(
pos, (frame.width, frame.height)) # Position in img pixels
if u_r.mouse_over_edit_pt(pos, u_r.handle_size + 40,
u_r.handle_size + 40):
return # if the roi interacts we dont what the gui to interact as well
g_pool.gui.update_button(button, action, mods)
def on_pos(window, x, y):
hdpi_factor = float(
glfwGetFramebufferSize(window)[0] / glfwGetWindowSize(window)[0])
g_pool.gui.update_mouse(x * hdpi_factor, y * hdpi_factor)
if u_r.active_edit_pt:
pos = normalize((x, y), glfwGetWindowSize(main_window))
if g_pool.flip:
pos = 1 - pos[0], 1 - pos[1]
pos = denormalize(pos, (frame.width, frame.height))
u_r.move_vertex(u_r.active_pt_idx, pos)
def on_scroll(window, x, y):
g_pool.gui.update_scroll(x, y * scroll_factor)
def on_close(window):
g_pool.quit.value = True
logger.info('Process closing from window')
# load session persistent settings
session_settings = Persistent_Dict(
os.path.join(g_pool.user_dir, 'user_settings_eye%s' % eye_id))
# Initialize capture
cap = autoCreateCapture(cap_src, cap_size, 30, timebase=g_pool.timebase)
# Test capture
try:
frame = cap.get_frame()
except CameraCaptureError:
logger.error("Could not retrieve image from capture")
cap.close()
return
g_pool.capture = cap
g_pool.flip = session_settings.get('flip', False)
# any object we attach to the g_pool object *from now on* will only be visible to this process!
# vars should be declared here to make them visible to the code reader.
g_pool.window_size = session_settings.get('window_size', 1.)
g_pool.display_mode = session_settings.get('display_mode', 'camera_image')
g_pool.display_mode_info_text = {
'camera_image':
"Raw eye camera image. This uses the least amount of CPU power",
'roi':
"Click and drag on the blue circles to adjust the region of interest. The region should be a small as possible but big enough to capture to pupil in its movements",
'algorithm':
"Algorithm display mode overlays a visualization of the pupil detection parameters on top of the eye video. Adjust parameters with in the Pupil Detection menu below."
}
# g_pool.draw_pupil = session_settings.get('draw_pupil',True)
u_r = UIRoi(frame.img.shape)
u_r.set(session_settings.get('roi', u_r.get()))
writer = None
pupil_detector = Canny_Detector(g_pool)
# UI callback functions
def set_scale(new_scale):
g_pool.gui.scale = new_scale
g_pool.gui.collect_menus()
def get_scale():
return g_pool.gui.scale
def set_display_mode_info(val):
# set info text here and append to the general settings menu
# 'camera_image','roi','algorithm','cpu_save'
g_pool.display_mode = val
g_pool.display_mode_info.text = g_pool.display_mode_info_text[val]
width, height = session_settings.get('window_size',
(frame.width, frame.height))
window_pos = session_settings.get('window_position',
(0, 0)) # not yet using this one.
# Initialize glfw
glfwInit()
if g_pool.binocular:
title = "Binocular eye %s" % eye_id
else:
title = 'Eye'
main_window = glfwCreateWindow(width, height, title, None, None)
glfwMakeContextCurrent(main_window)
cygl_init()
# Register callbacks main_window
glfwSetWindowSizeCallback(main_window, on_resize)
glfwSetWindowCloseCallback(main_window, on_close)
glfwSetKeyCallback(main_window, on_key)
glfwSetCharCallback(main_window, on_char)
glfwSetMouseButtonCallback(main_window, on_button)
glfwSetCursorPosCallback(main_window, on_pos)
glfwSetScrollCallback(main_window, on_scroll)
# gl_state settings
basic_gl_setup()
g_pool.image_tex = create_named_texture(frame.img.shape)
update_named_texture(g_pool.image_tex, frame.img)
# refresh speed settings
glfwSwapInterval(0)
glfwSetWindowPos(main_window, 800, 300 * eye_id)
#setup GUI
g_pool.gui = ui.UI()
g_pool.gui.scale = session_settings.get('gui_scale', 1)
g_pool.sidebar = ui.Scrolling_Menu("Settings",
pos=(-300, 0),
size=(0, 0),
header_pos='left')
g_pool.sidebar.configuration = session_settings.get(
'side_bar_config', {'collapsed': True})
general_settings = ui.Growing_Menu('General')
general_settings.configuration = session_settings.get(
'general_menu_config', {})
general_settings.append(
ui.Slider('scale',
setter=set_scale,
getter=get_scale,
step=.05,
min=1.,
max=2.5,
label='Interface Size'))
general_settings.append(
ui.Button(
'Reset window size',
lambda: glfwSetWindowSize(main_window, frame.width, frame.height)))
general_settings.append(
ui.Selector('display_mode',
g_pool,
setter=set_display_mode_info,
selection=['camera_image', 'roi', 'algorithm'],
labels=['Camera Image', 'ROI', 'Algorithm'],
label="Mode"))
general_settings.append(
ui.Switch('flip', g_pool, label='Flip image display'))
g_pool.display_mode_info = ui.Info_Text(
g_pool.display_mode_info_text[g_pool.display_mode])
general_settings.append(g_pool.display_mode_info)
g_pool.sidebar.append(general_settings)
g_pool.gui.append(g_pool.sidebar)
g_pool.gui.append(
ui.Hot_Key("quit",
setter=on_close,
getter=lambda: True,
label="X",
hotkey=GLFW_KEY_ESCAPE))
# let the camera add its GUI
g_pool.capture.init_gui(g_pool.sidebar)
g_pool.capture.menu.configuration = session_settings.get(
'capture_menu_config', {'collapsed': True})
# let detector add its GUI
pupil_detector.init_gui(g_pool.sidebar)
#set the last saved window size
on_resize(main_window, *glfwGetWindowSize(main_window))
#set up performance graphs
pid = os.getpid()
ps = psutil.Process(pid)
ts = frame.timestamp
cpu_graph = graph.Bar_Graph()
cpu_graph.pos = (20, 130)
cpu_graph.update_fn = ps.get_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"
# Event loop
while not g_pool.quit.value:
# Get an image from the grabber
try:
frame = cap.get_frame()
except CameraCaptureError:
logger.error("Capture from Camera Failed. Stopping.")
break
except EndofVideoFileError:
logger.warning("Video File is done. Stopping")
break
#update performace graphs
t = frame.timestamp
dt, ts = t - ts, t
fps_graph.add(1. / dt)
cpu_graph.update()
### RECORDING of Eye Video (on demand) ###
# Setup variables and lists for recording
if rx_from_world.poll():
command = rx_from_world.recv()
if command is not None:
record_path = command
logger.info("Will save eye video to: %s" % record_path)
video_path = os.path.join(record_path, "eye%s.mkv" % eye_id)
timestamps_path = os.path.join(record_path,
"eye%s_timestamps.npy" % eye_id)
writer = cv2.VideoWriter(
video_path, cv2.cv.CV_FOURCC(*'DIVX'),
float(cap.frame_rate),
(frame.img.shape[1], frame.img.shape[0]))
timestamps = []
else:
logger.info("Done recording.")
writer = None
np.save(timestamps_path, np.asarray(timestamps))
del timestamps
if writer:
writer.write(frame.img)
timestamps.append(frame.timestamp)
# pupil ellipse detection
result = pupil_detector.detect(
frame, user_roi=u_r, visualize=g_pool.display_mode == 'algorithm')
result['id'] = eye_id
# stream the result
g_pool.pupil_queue.put(result)
# GL drawing
glfwMakeContextCurrent(main_window)
clear_gl_screen()
# switch to work in normalized coordinate space
if g_pool.display_mode == 'algorithm':
update_named_texture(g_pool.image_tex, frame.img)
elif g_pool.display_mode in ('camera_image', 'roi'):
update_named_texture(g_pool.image_tex, frame.gray)
else:
pass
make_coord_system_norm_based(g_pool.flip)
draw_named_texture(g_pool.image_tex)
# switch to work in pixel space
make_coord_system_pixel_based((frame.height, frame.width, 3),
g_pool.flip)
if result['confidence'] > 0:
if result.has_key('axes'):
pts = cv2.ellipse2Poly(
(int(result['center'][0]), int(result['center'][1])),
(int(result['axes'][0] / 2), int(result['axes'][1] / 2)),
int(result['angle']), 0, 360, 15)
cygl_draw_polyline(pts, 1, cygl_rgba(1., 0, 0, .5))
cygl_draw_points([result['center']],
size=20,
color=cygl_rgba(1., 0., 0., .5),
sharpness=1.)
# render graphs
graph.push_view()
fps_graph.draw()
cpu_graph.draw()
graph.pop_view()
# render GUI
g_pool.gui.update()
#render the ROI
if g_pool.display_mode == 'roi':
u_r.draw(g_pool.gui.scale)
#update screen
glfwSwapBuffers(main_window)
glfwPollEvents()
# END while running
# in case eye recording was still runnnig: Save&close
if writer:
logger.info("Done recording eye.")
writer = None
np.save(timestamps_path, np.asarray(timestamps))
# save session persistent settings
session_settings['gui_scale'] = g_pool.gui.scale
session_settings['roi'] = u_r.get()
session_settings['flip'] = g_pool.flip
session_settings['display_mode'] = g_pool.display_mode
session_settings['side_bar_config'] = g_pool.sidebar.configuration
session_settings['capture_menu_config'] = g_pool.capture.menu.configuration
session_settings['general_menu_config'] = general_settings.configuration
session_settings['window_size'] = glfwGetWindowSize(main_window)
session_settings['window_position'] = glfwGetWindowPos(main_window)
session_settings.close()
pupil_detector.cleanup()
cap.close()
glfwDestroyWindow(main_window)
glfwTerminate()
#flushing queue in case world process did not exit gracefully
while not g_pool.pupil_queue.empty():
g_pool.pupil_queue.get()
g_pool.pupil_queue.close()
logger.debug("Process done")
def main():
# Callback functions
def on_resize(window, w, h):
active_window = glfwGetCurrentContext()
glfwMakeContextCurrent(window)
hdpi_factor = glfwGetFramebufferSize(window)[0] / glfwGetWindowSize(
window)[0]
w, h = w * hdpi_factor, h * hdpi_factor
g_pool.gui.update_window(w, h)
g_pool.gui.collect_menus()
graph.adjust_size(w, h)
adjust_gl_view(w, h)
glfwMakeContextCurrent(active_window)
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(main_window))
pos = denormalize(
pos,
(frame.img.shape[1], frame.img.shape[0])) # Position in img pixels
for p in g_pool.plugins:
p.on_click(pos, button, action)
def on_pos(window, x, y):
hdpi_factor = float(
glfwGetFramebufferSize(window)[0] / glfwGetWindowSize(window)[0])
x, y = x * hdpi_factor, y * hdpi_factor
g_pool.gui.update_mouse(x, y)
def on_scroll(window, x, y):
g_pool.gui.update_scroll(x, y * y_scroll_factor)
def on_close(window):
glfwSetWindowShouldClose(main_window, True)
logger.debug('Process closing from window')
try:
rec_dir = sys.argv[1]
except:
#for dev, supply hardcoded dir:
rec_dir = '/Users/mkassner/Desktop/Marker_Tracking_Demo_Recording/'
if os.path.isdir(rec_dir):
logger.debug("Dev option: Using hadcoded data dir.")
else:
if getattr(sys, 'frozen', False):
logger.warning(
"You did not supply a data directory when you called this script! \
\nPlease drag a Pupil recoding directory onto the launch icon."
)
else:
logger.warning(
"You did not supply a data directory when you called this script! \
\nPlease supply a Pupil recoding directory as first arg when calling Pupil Player."
)
return
if not is_pupil_rec_dir(rec_dir):
logger.error(
"You did not supply a dir with the required files inside.")
return
# load session persistent settings
session_settings = Persistent_Dict(os.path.join(user_dir, "user_settings"))
#backwards compatibility fn.
patch_meta_info(rec_dir)
#parse info.csv file
meta_info_path = rec_dir + "/info.csv"
with open(meta_info_path) as info:
meta_info = dict(
((line.strip().split('\t')) for line in info.readlines()))
rec_version = read_rec_version(meta_info)
if rec_version < VersionFormat('0.4'):
video_path = rec_dir + "/world.avi"
timestamps_path = rec_dir + "/timestamps.npy"
else:
video_path = rec_dir + "/world.mkv"
timestamps_path = rec_dir + "/world_timestamps.npy"
gaze_positions_path = rec_dir + "/gaze_positions.npy"
#load gaze information
gaze_list = np.load(gaze_positions_path)
timestamps = np.load(timestamps_path)
#correlate data
if rec_version < VersionFormat('0.4'):
positions_by_frame = correlate_gaze_legacy(gaze_list, timestamps)
else:
positions_by_frame = correlate_gaze(gaze_list, timestamps)
# Initialize capture
cap = autoCreateCapture(video_path, timestamps=timestamps_path)
if isinstance(cap, FakeCapture):
logger.error("could not start capture.")
return
width, height = session_settings.get('window_size', cap.get_size())
window_pos = session_settings.get('window_position',
(0, 0)) # not yet using this one.
# Initialize glfw
glfwInit()
main_window = glfwCreateWindow(
width, height, "Pupil Player: " + meta_info["Recording Name"] + " - " +
rec_dir.split(os.path.sep)[-1], None, None)
glfwMakeContextCurrent(main_window)
cygl.utils.init()
# Register callbacks main_window
glfwSetWindowSizeCallback(main_window, on_resize)
glfwSetWindowCloseCallback(main_window, on_close)
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)
# create container for globally scoped vars (within world)
g_pool = Global_Container()
g_pool.app = 'player'
g_pool.version = get_version(version_file)
g_pool.capture = cap
g_pool.timestamps = timestamps
g_pool.gaze_list = gaze_list
g_pool.positions_by_frame = positions_by_frame
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
def next_frame(_):
try:
cap.seek_to_frame(cap.get_frame_index())
except FileSeekError:
pass
g_pool.new_seek = True
def prev_frame(_):
try:
cap.seek_to_frame(cap.get_frame_index() - 2)
except FileSeekError:
pass
g_pool.new_seek = True
def set_scale(new_scale):
g_pool.gui.scale = new_scale
g_pool.gui.collect_menus()
def get_scale():
return g_pool.gui.scale
def open_plugin(plugin):
if plugin == "Select to load":
return
logger.debug('Open Plugin: %s' % plugin)
new_plugin = plugin(g_pool)
g_pool.plugins.add(new_plugin)
def purge_plugins():
for p in g_pool.plugins:
if p.__class__ in user_launchable_plugins:
p.alive = False
g_pool.plugins.clean()
g_pool.gui = ui.UI()
g_pool.gui.scale = session_settings.get('gui_scale', 1)
g_pool.main_menu = ui.Scrolling_Menu("Settings",
pos=(-350, 20),
size=(300, 300))
g_pool.main_menu.append(ui.Button("quit", lambda: on_close(None)))
g_pool.main_menu.configuration = session_settings.get(
'main_menu_config', {})
g_pool.main_menu.append(
ui.Slider('scale',
setter=set_scale,
getter=get_scale,
step=.05,
min=0.75,
max=2.5,
label='Interface Size'))
g_pool.main_menu.append(ui.Info_Text('Player Version: %s' %
g_pool.version))
g_pool.main_menu.append(ui.Info_Text('Recording Version: %s' %
rec_version))
g_pool.main_menu.append(
ui.Selector('Open plugin',
selection=user_launchable_plugins,
labels=[
p.__name__.replace('_', ' ')
for p in user_launchable_plugins
],
setter=open_plugin,
getter=lambda: "Select to load"))
g_pool.main_menu.append(ui.Button('Close all plugins', purge_plugins))
g_pool.main_menu.append(
ui.Button(
'Reset window size',
lambda: glfwSetWindowSize(main_window,
cap.get_size()[0],
cap.get_size()[1])))
g_pool.quickbar = ui.Stretching_Menu('Quick Bar', (0, 100), (120, -100))
g_pool.play_button = ui.Thumb('play',
g_pool,
label='Play',
hotkey=GLFW_KEY_SPACE)
g_pool.play_button.on_color[:] = (0, 1., .0, .8)
g_pool.forward_button = ui.Thumb('forward',
getter=lambda: False,
setter=next_frame,
hotkey=GLFW_KEY_RIGHT)
g_pool.backward_button = ui.Thumb('backward',
getter=lambda: False,
setter=prev_frame,
hotkey=GLFW_KEY_LEFT)
g_pool.quickbar.extend(
[g_pool.play_button, g_pool.forward_button, g_pool.backward_button])
g_pool.gui.append(g_pool.quickbar)
g_pool.gui.append(g_pool.main_menu)
#we always load these plugins
system_plugins = [('Trim_Marks', {}), ('Seek_Bar', {})]
default_plugins = [('Scan_Path', {}), ('Vis_Polyline', {}),
('Vis_Circle', {}), ('Export_Launcher', {})]
previous_plugins = session_settings.get('loaded_plugins', default_plugins)
g_pool.plugins = Plugin_List(g_pool, plugin_by_name,
system_plugins + previous_plugins)
for p in g_pool.plugins:
if p.class_name == 'Trim_Marks':
g_pool.trim_marks = p
break
#set the last saved window size
on_resize(main_window, *glfwGetWindowSize(main_window))
glfwSetWindowPos(main_window, 0, 0)
# gl_state settings
basic_gl_setup()
g_pool.image_tex = create_named_texture((height, width, 3))
#set up performace graphs:
pid = os.getpid()
ps = psutil.Process(pid)
ts = cap.get_now() - .03
cpu_graph = graph.Bar_Graph()
cpu_graph.pos = (20, 110)
cpu_graph.update_fn = ps.get_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:
try:
new_frame = cap.get_frame()
except EndofVideoFileError:
#end of video logic: pause at last frame.
g_pool.play = False
if g_pool.new_seek:
display_time = new_frame.timestamp
g_pool.new_seek = False
update_graph = True
else:
update_graph = False
frame = new_frame.copy()
events = {}
#new positons we make a deepcopy just like the image is a copy.
events['pupil_positions'] = deepcopy(positions_by_frame[frame.index])
if update_graph:
#update performace graphs
for p in events['pupil_positions']:
pupil_graph.add(p['confidence'])
t = new_frame.timestamp
if ts != t:
dt, ts = t - ts, t
fps_graph.add(1. / dt)
g_pool.play_button.status_text = str(frame.index)
#always update the CPU graph
cpu_graph.update()
# allow each Plugin to do its work.
for p in g_pool.plugins:
p.update(frame, events)
#check if a plugin need to be destroyed
g_pool.plugins.clean()
# render camera image
glfwMakeContextCurrent(main_window)
make_coord_system_norm_based()
update_named_texture(g_pool.image_tex, frame.img)
draw_named_texture(g_pool.image_tex)
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
wait_time = frame.timestamp - display_time
display_time = frame.timestamp
try:
spent_time = time() - timestamp
sleep(wait_time - spent_time)
except:
pass
timestamp = time()
glfwSwapBuffers(main_window)
glfwPollEvents()
session_settings['loaded_plugins'] = g_pool.plugins.get_initializers()
session_settings['gui_scale'] = g_pool.gui.scale
session_settings['main_menu_config'] = g_pool.main_menu.configuration
session_settings['window_size'] = glfwGetWindowSize(main_window)
session_settings['window_position'] = glfwGetWindowPos(main_window)
session_settings.close()
# de-init all running plugins
for p in g_pool.plugins:
p.alive = False
g_pool.plugins.clean()
cap.close()
glfwDestroyWindow(main_window)
glfwTerminate()
logger.debug("Process done")
def export(should_terminate,
frames_to_export,
current_frame,
rec_dir,
start_frame=None,
end_frame=None,
plugin_initializers=[],
out_file_path=None):
logger = logging.getLogger(__name__ + ' with pid: ' + str(os.getpid()))
#parse info.csv file
with open(rec_dir + "/info.csv") as info:
meta_info = dict(
((line.strip().split('\t')) for line in info.readlines()))
rec_version = read_rec_version(meta_info)
logger.debug("Exporting a video from recording with version: %s" %
rec_version)
if rec_version < VersionFormat('0.4'):
video_path = rec_dir + "/world.avi"
timestamps_path = rec_dir + "/timestamps.npy"
else:
video_path = rec_dir + "/world.mkv"
timestamps_path = rec_dir + "/world_timestamps.npy"
gaze_positions_path = rec_dir + "/gaze_positions.npy"
#load gaze information
gaze_list = np.load(gaze_positions_path)
timestamps = np.load(timestamps_path)
#correlate data
if rec_version < VersionFormat('0.4'):
positions_by_frame = correlate_gaze_legacy(gaze_list, timestamps)
else:
positions_by_frame = correlate_gaze(gaze_list, timestamps)
cap = autoCreateCapture(video_path, timestamps=timestamps_path)
width, height = cap.get_size()
#Out file path verification, we do this before but if one uses a seperate tool, this will kick in.
if out_file_path is None:
out_file_path = os.path.join(rec_dir, "world_viz.mp4")
else:
file_name = os.path.basename(out_file_path)
dir_name = os.path.dirname(out_file_path)
if not dir_name:
dir_name = rec_dir
if not file_name:
file_name = 'world_viz.mp4'
out_file_path = os.path.expanduser(os.path.join(dir_name, file_name))
if os.path.isfile(out_file_path):
logger.warning("Video out file already exsists. I will overwrite!")
os.remove(out_file_path)
logger.debug("Saving Video to %s" % out_file_path)
#Trim mark verification
#make sure the trim marks (start frame, endframe) make sense: We define them like python list slices,thus we can test them like such.
trimmed_timestamps = timestamps[start_frame:end_frame]
if len(trimmed_timestamps) == 0:
logger.warn(
"Start and end frames are set such that no video will be exported."
)
return False
if start_frame == None:
start_frame = 0
#these two vars are shared with the lauching process and give a job length and progress report.
frames_to_export.value = len(trimmed_timestamps)
current_frame.value = 0
logger.debug(
"Will export from frame %s to frame %s. This means I will export %s frames."
% (start_frame, start_frame + frames_to_export.value,
frames_to_export.value))
#setup of writer
writer = AV_Writer(out_file_path)
cap.seek_to_frame(start_frame)
start_time = time()
g = Global_Container()
g.app = 'exporter'
g.rec_dir = rec_dir
g.rec_version = rec_version
g.timestamps = timestamps
g.gaze_list = gaze_list
g.positions_by_frame = positions_by_frame
g.plugins = Plugin_List(g, plugin_by_name, plugin_initializers)
while frames_to_export.value - current_frame.value > 0:
if should_terminate.value:
logger.warning("User aborted export. Exported %s frames to %s." %
(current_frame.value, out_file_path))
#explicit release of VideoWriter
writer.close()
writer = None
return False
try:
frame = cap.get_frame()
except EndofVideoFileError:
break
events = {}
#new positons and events
events['pupil_positions'] = positions_by_frame[frame.index]
# allow each Plugin to do its work.
for p in g.plugins:
p.update(frame, events)
writer.write_video_frame(frame)
current_frame.value += 1
writer.close()
writer = None
duration = time() - start_time
effective_fps = float(current_frame.value) / duration
logger.info(
"Export done: Exported %s frames to %s. This took %s seconds. Exporter ran at %s frames per second"
% (current_frame.value, out_file_path, duration, effective_fps))
return True
