def __init__(self,
fields,
title='MAVProxy: LiveGraph',
timespan=20.0,
tickresolution=0.2,
colors=[
'red', 'green', 'blue', 'orange', 'olive', 'cyan',
'magenta', 'brown', 'violet', 'purple', 'grey', 'black'
]):
if platform.system() == 'Darwin':
import billiard as multiprocessing
else:
import multiprocessing
self.fields = fields
self.colors = colors
self.title = title
self.timespan = timespan
self.tickresolution = tickresolution
self.values = [None] * len(self.fields)
if platform.system() == 'Darwin':
multiprocessing.forking_enable(False)
self.parent_pipe, self.child_pipe = multiprocessing.Pipe()
self.close_graph = multiprocessing.Event()
self.close_graph.clear()
self.child = multiprocessing.Process(target=self.child_task)
self.child.start()
def add_export(self):
# on MacOS we will not use os.fork, elsewhere this does nothing.
forking_enable(0)
logger.debug("Adding new export.")
should_terminate = Value(c_bool, False)
frames_to_export = Value(c_int, 0)
current_frame = Value(c_int, 0)
rec_dir = self.g_pool.rec_dir
user_dir = self.g_pool.user_dir
start_frame = self.g_pool.trim_marks.in_mark
end_frame = self.g_pool.trim_marks.out_mark + 1 # end_frame is exclusive
frames_to_export.value = end_frame - start_frame
# Here we make clones of every plugin that supports it.
# So it runs in the current config when we lauch the exporter.
plugins = self.g_pool.plugins.get_initializers()
out_file_path = verify_out_file_path(self.rec_name, self.g_pool.rec_dir)
process = Export_Process(
target=export,
args=(
should_terminate,
frames_to_export,
current_frame,
rec_dir,
user_dir,
start_frame,
end_frame,
plugins,
out_file_path,
),
)
self.new_export = process
def display_graph(self, graphdef):
'''display a graph'''
if 'mestate' in globals():
self.mestate.console.write("Expression: %s\n" % ' '.join(graphdef.expression.split()))
else:
self.mestate.child_pipe_send_console.send("Expression: %s\n" % ' '.join(graphdef.expression.split()))
#mestate.mlog.reduce_by_flightmodes(mestate.flightmode_selections)
#setup the graph, then pass to a new process and display
self.mg = grapher.MavGraph()
self.mg.set_marker(self.mestate.settings.marker)
self.mg.set_condition(self.mestate.settings.condition)
self.mg.set_xaxis(self.mestate.settings.xaxis)
self.mg.set_linestyle(self.mestate.settings.linestyle)
self.mg.set_show_flightmode(self.mestate.settings.show_flightmode)
self.mg.set_legend(self.mestate.settings.legend)
self.mg.add_mav(self.mestate.mlog)
for f in graphdef.expression.split():
self.mg.add_field(f)
self.mg.process(self.mestate.flightmode_selections, self.mestate.mlog._flightmodes)
self.lenmavlist = len(self.mg.mav_list)
if platform.system() == 'Darwin':
forking_enable(False)
#Important - mg.mav_list is the full logfile and can be very large in size
#To avoid slowdowns in Windows (which copies the vars to the new process)
#We need to empty this var when we're finished with it
self.mg.mav_list = []
child = Process(target=self.mg.show, args=[self.lenmavlist, ])
child.start()
self.mestate.mlog.rewind()
def display_graph(self, graphdef):
'''display a graph'''
if 'mestate' in globals():
self.mestate.console.write("Expression: %s\n" %
' '.join(graphdef.expression.split()))
else:
self.mestate.child_pipe_send_console.send(
"Expression: %s\n" % ' '.join(graphdef.expression.split()))
#mestate.mlog.reduce_by_flightmodes(mestate.flightmode_selections)
#setup the graph, then pass to a new process and display
self.mg = grapher.MavGraph()
self.mg.set_marker(self.mestate.settings.marker)
self.mg.set_condition(self.mestate.settings.condition)
self.mg.set_xaxis(self.mestate.settings.xaxis)
self.mg.set_linestyle(self.mestate.settings.linestyle)
self.mg.set_show_flightmode(self.mestate.settings.show_flightmode)
self.mg.set_legend(self.mestate.settings.legend)
self.mg.add_mav(self.mestate.mlog)
for f in graphdef.expression.split():
self.mg.add_field(f)
self.mg.process(self.mestate.flightmode_selections,
self.mestate.mlog._flightmodes)
self.lenmavlist = len(self.mg.mav_list)
if platform.system() == 'Darwin':
forking_enable(False)
#Important - mg.mav_list is the full logfile and can be very large in size
#To avoid slowdowns in Windows (which copies the vars to the new process)
#We need to empty this var when we're finished with it
self.mg.mav_list = []
child = Process(target=self.mg.show, args=[
self.lenmavlist,
])
child.start()
self.mestate.mlog.rewind()
def on_start(self):
"""Run the task pool.
Will pre-fork all workers so they're ready to accept tasks.
"""
if self.options.get('maxtasksperchild'):
try:
from billiard.connection import Connection
Connection.send_offset
except (ImportError, AttributeError):
# billiard C extension not installed
warning(MAXTASKS_NO_BILLIARD)
forking_enable(self.forking_enable)
Pool = (self.BlockingPool if self.options.get('threads', True)
else self.Pool)
P = self._pool = Pool(processes=self.limit,
initializer=process_initializer,
synack=False,
**self.options)
# Create proxy methods
self.on_apply = P.apply_async
self.maintain_pool = P.maintain_pool
self.terminate_job = P.terminate_job
self.grow = P.grow
self.shrink = P.shrink
self.restart = P.restart
self.maybe_handle_result = P._result_handler.handle_event
self.handle_result_event = P.handle_result_event
def add_export(self):
# on MacOS we will not use os.fork, elsewhere this does nothing.
forking_enable(0)
logger.debug("Adding new export.")
should_terminate = Value(c_bool, False)
frames_to_export = Value(c_int, 0)
current_frame = Value(c_int, 0)
rec_dir = self.g_pool.rec_dir
user_dir = self.g_pool.user_dir
start_frame = self.g_pool.trim_marks.in_mark
end_frame = self.g_pool.trim_marks.out_mark + 1 #end_frame is exclusive
frames_to_export.value = end_frame - start_frame
# Here we make clones of every plugin that supports it.
# So it runs in the current config when we lauch the exporter.
plugins = self.g_pool.plugins.get_initializers()
out_file_path = verify_out_file_path(self.rec_name,
self.g_pool.rec_dir)
process = Export_Process(
target=export,
args=(should_terminate, frames_to_export, current_frame, rec_dir,
user_dir, start_frame, end_frame, plugins, out_file_path))
self.new_export = process
def on_start(self):
"""Run the task pool.
Will pre-fork all workers so they're ready to accept tasks.
"""
if self.options.get("maxtasksperchild"):
try:
import _billiard # noqa
_billiard.Connection.send_offset
except (ImportError, AttributeError):
# billiard C extension not installed
warning(MAXTASKS_NO_BILLIARD)
forking_enable(self.forking_enable)
Pool = self.BlockingPool if self.options.get("threads", True) else self.Pool
P = self._pool = Pool(processes=self.limit, initializer=process_initializer, synack=False, **self.options)
self.on_apply = P.apply_async
self.on_soft_timeout = P._timeout_handler.on_soft_timeout
self.on_hard_timeout = P._timeout_handler.on_hard_timeout
self.maintain_pool = P.maintain_pool
self.terminate_job = self._pool.terminate_job
self.grow = self._pool.grow
self.shrink = self._pool.shrink
self.restart = self._pool.restart
self.maybe_handle_result = P._result_handler.handle_event
self.outbound_buffer = deque()
self.handle_result_event = P.handle_result_event
self._active_writes = set()
self._active_writers = set()
def on_start(self):
"""Run the task pool.
Will pre-fork all workers so they're ready to accept tasks.
"""
if self.options.get('maxtasksperchild') and sys.platform != 'win32':
try:
from billiard.connection import Connection
Connection.send_offset
except (ImportError, AttributeError):
# billiard C extension not installed
warning(MAXTASKS_NO_BILLIARD)
forking_enable(self.forking_enable)
Pool = (self.BlockingPool if self.options.get('threads', True)
else self.Pool)
P = self._pool = Pool(processes=self.limit,
initializer=process_initializer,
on_process_exit=process_destructor,
synack=False,
**self.options)
# Create proxy methods
self.on_apply = P.apply_async
self.maintain_pool = P.maintain_pool
self.terminate_job = P.terminate_job
self.grow = P.grow
self.shrink = P.shrink
self.flush = getattr(P, 'flush', None) # FIXME add to billiard
self.restart = P.restart
def on_start(self):
"""Run the task pool.
Will pre-fork all workers so they're ready to accept tasks.
"""
if self.options.get('maxtasksperchild'):
try:
import _billiard # noqa
_billiard.Connection.send_offset
except (ImportError, AttributeError):
# billiard C extension not installed
warning(MAXTASKS_NO_BILLIARD)
forking_enable(self.forking_enable)
Pool = (self.BlockingPool
if self.options.get('threads', True) else self.Pool)
P = self._pool = Pool(processes=self.limit,
initializer=process_initializer,
synack=False,
**self.options)
self.on_apply = P.apply_async
self.on_soft_timeout = P._timeout_handler.on_soft_timeout
self.on_hard_timeout = P._timeout_handler.on_hard_timeout
self.maintain_pool = P.maintain_pool
self.terminate_job = self._pool.terminate_job
self.grow = self._pool.grow
self.shrink = self._pool.shrink
self.restart = self._pool.restart
self.maybe_handle_result = P._result_handler.handle_event
self.outbound_buffer = deque()
self.handle_result_event = P.handle_result_event
self._active_writes = set()
self._active_writers = set()
def main():
# To assign camera by name: put string(s) in list
eye_cam_names = [
"USB 2.0 Camera", "Microsoft", "6000", "Integrated Camera",
"HD USB Camera"
]
world_src = [
"Logitech Camera", "(046d:081d)", "C510", "B525", "C525", "C615",
"C920", "C930e"
]
eye_src = (eye_cam_names,
0), (eye_cam_names, 1
) #first match for eye0 and second match for eye1
# to assign cameras directly, using integers as demonstrated below
# eye_src = 4 , 5 #second arg will be ignored for monocular eye trackers
# world_src = 1
# to use a pre-recorded video.
# Use a string to specify the path to your video file as demonstrated below
# eye_src = '/Users/mkassner/Downloads/000/eye0.mkv' , '/Users/mkassner/Downloads/eye.avi'
# world_src = "/Users/mkassner/Downloads/000/world.mkv"
# Camera video size in pixels (width,height)
eye_size = (640, 480)
world_size = (1280, 720)
# on MacOS we will not use os.fork, elsewhere this does nothing.
forking_enable(0)
#g_pool holds variables. Only if added here they are shared across processes.
g_pool = Global_Container()
# Create and initialize IPC
g_pool.pupil_queue = Queue()
g_pool.quit = Value(c_bool, 0)
g_pool.timebase = Value(c_double, 0)
g_pool.eye_tx = []
# make some constants avaiable
g_pool.user_dir = user_dir
g_pool.version = get_version(version_file)
g_pool.app = 'capture'
g_pool.binocular = binocular
p_eye = []
for eye_id in range(1 + 1 * binocular):
rx, tx = Pipe(False)
p_eye += [
Process(target=eye,
args=(g_pool, eye_src[eye_id], eye_size, rx, eye_id))
]
g_pool.eye_tx += [tx]
p_eye[-1].start()
world(g_pool, world_src, world_size)
# Exit / clean-up
for p in p_eye:
p.join()
def main():
billiard.forking_enable(False)
x = billiard.Pool(2)
x.apply_async(f, (8, ), callback=cb)
x.close()
x.join()
def opensesame():
set_paths()
# Support for multiprocessing when packaged
# In OS X the multiprocessing module is horribly broken, but a fixed
# version has been released as the 'billiard' module
if platform.system() == 'Darwin':
# Use normal multiprocessing module from python 3.4 and on
if sys.version_info >= (3, 4):
from multiprocessing import freeze_support, set_start_method
freeze_support()
set_start_method('spawn')
else:
from billiard import freeze_support, forking_enable
freeze_support()
forking_enable(0)
else:
from multiprocessing import freeze_support
freeze_support()
# Parse the (optional) environment file that contains special paths, etc.
from libopensesame.misc import parse_environment_file
parse_environment_file()
# Force the new-style Qt API
import sip
import qtpy
sip.setapi('QString', 2)
sip.setapi('QVariant', 2)
# Do the basic window initialization
from qtpy.QtWidgets import QApplication
# From Qt 5.6 on, QtWebEngine is the default way to render web pages
# QtWebEngineWidgets must be imported before a QCoreApplication instance is
# created.
try:
from qtpy import QtWebEngineWidgets
except ImportError:
pass
app = QApplication(sys.argv)
# Enable High DPI display with PyQt5
if hasattr(qtpy.QtCore.Qt, 'AA_UseHighDpiPixmaps'):
app.setAttribute(qtpy.QtCore.Qt.AA_UseHighDpiPixmaps)
from libqtopensesame.qtopensesame import qtopensesame
opensesame = qtopensesame(app)
opensesame.__script__ = __file__
app.processEvents()
# Install the translator. For some reason, the translator needs to be
# instantiated here and not in the set_locale() function, otherwise the
# locale is ignored.
from qtpy.QtCore import QTranslator
translator = QTranslator()
opensesame.set_locale(translator)
# Now that the window is shown, load the remaining modules and resume the
# GUI initialization.
opensesame.resume_init()
opensesame.restore_window_state()
opensesame.refresh()
opensesame.show()
# Added for OS X, otherwise Window will not appear
opensesame.raise_()
# Exit using the application exit status
sys.exit(app.exec_())
def add_export(self):
# on MacOS we will not use os.fork, elsewhere this does nothing.
forking_enable(0)
logger.debug("Adding new export.")
should_terminate = RawValue(c_bool, False)
frames_to_export = RawValue(c_int, 0)
current_frame = RawValue(c_int, 0)
data_dir = self.data_dir
start_frame = self.start_frame.value
end_frame = self.end_frame.value
plugins = []
# Here we make clones of every plugin that supports it.
# So it runs in the current config when we lauch the exporter.
for p in self.g_pool.plugins:
try:
p_initializer = p.get_class_name(), p.get_init_dict()
plugins.append(p_initializer)
except AttributeError:
pass
out_file_path = verify_out_file_path(self.rec_name.value,
self.data_dir)
process = Process(target=export,
args=(should_terminate, frames_to_export,
current_frame, data_dir, start_frame,
end_frame, plugins, out_file_path))
process.should_terminate = should_terminate
process.frames_to_export = frames_to_export
process.current_frame = current_frame
process.out_file_path = out_file_path
self.new_export = process
def on_start(self):
"""Run the task pool.
Will pre-fork all workers so they're ready to accept tasks.
"""
if self.options.get('maxtasksperchild') and sys.platform != 'win32':
try:
from billiard.connection import Connection
Connection.send_offset
except (ImportError, AttributeError):
# billiard C extension not installed
warning(MAXTASKS_NO_BILLIARD)
forking_enable(self.forking_enable)
Pool = (self.BlockingPool
if self.options.get('threads', True) else self.Pool)
P = self._pool = Pool(processes=self.limit,
initializer=process_initializer,
on_process_exit=process_destructor,
synack=False,
**self.options)
# Create proxy methods
self.on_apply = P.apply_async
self.maintain_pool = P.maintain_pool
self.terminate_job = P.terminate_job
self.grow = P.grow
self.shrink = P.shrink
self.flush = getattr(P, 'flush', None) # FIXME add to billiard
def add_export(self):
# on MacOS we will not use os.fork, elsewhere this does nothing.
forking_enable(0)
logger.debug("Adding new export.")
should_terminate = RawValue(c_bool,False)
frames_to_export = RawValue(c_int,0)
current_frame = RawValue(c_int,0)
data_dir = self.data_dir
start_frame= self.start_frame.value
end_frame= self.end_frame.value
plugins = []
# Here we make clones of every plugin that supports it.
# So it runs in the current config when we lauch the exporter.
for p in self.g_pool.plugins:
try:
p_initializer = p.get_class_name(),p.get_init_dict()
plugins.append(p_initializer)
except AttributeError:
pass
out_file_path=verify_out_file_path(self.rec_name.value,self.data_dir)
process = Process(target=export, args=(should_terminate,frames_to_export,current_frame, data_dir,start_frame,end_frame,plugins,out_file_path))
process.should_terminate = should_terminate
process.frames_to_export = frames_to_export
process.current_frame = current_frame
process.out_file_path = out_file_path
self.new_export = process
def main():
# To assign camera by name: put string(s) in list
# Parse command line arguments
parser = argparse.ArgumentParser(description='GUI for gaze tracking and pupillometry')
parser.add_argument('-eye', dest='eye_file', type=str, help="Work with existing video recording, instead of live feed", default='')
parser.add_argument('-world', dest='world_file', type=str, help="Work with existing video recording, instead of live feed", default='')
args = parser.parse_args()
# to use a pre-recorded video.
# Use a string to specify the path to your video file as demonstrated below
if args.eye_file == '':
eye_src = ["UI154xLE-M", "USB Camera-B4.09.24.1", "FaceTime Camera (Built-in)", "Microsoft", "6000","Integrated Camera"]
# to assign cameras directly, using integers as demonstrated below
# eye_src = 1
else:
# print "Using provide file: %s" % args.filename
eye_src = args.eye_file
if args.world_file == '':
world_src = ["Logitech Camera","(046d:081d)","C510","B525", "C525","C615","C920","C930e"]
# to assign cameras directly, using integers as demonstrated below
# world_src = 0
else:
world_src = args.world_file
# Camera video size in pixels (width,height)
eye_size = (260,216) #(1280,1024)
world_size = (640,480)
# on MacOS we will not use os.fork, elsewhere this does nothing.
forking_enable(0)
# Create and initialize IPC
g_pool = Temp()
g_pool.pupil_queue = Queue()
g_pool.eye_rx, g_pool.eye_tx = Pipe(False)
g_pool.quit = RawValue(c_bool,0)
# this value will be substracted form the capture timestamp
g_pool.timebase = RawValue(c_double,0)
# make some constants avaiable
g_pool.user_dir = user_dir
g_pool.rec_dir = rec_dir
g_pool.version = version
g_pool.app = 'capture'
# set up subprocesses
p_eye = Process(target=eye, args=(g_pool,eye_src,eye_size))
# Spawn subprocess:
p_eye.start()
if platform.system() == 'Linux':
# We need to give the camera driver some time before requesting another camera.
sleep(0.5)
world(g_pool,world_src,world_size)
# Exit / clean-up
p_eye.join()
def start(self,windowSize=(200,10),windowPosition=(0,0),windowColor=(255,255,255),doBorder=True): import billiard billiard.forking_enable(0) self.qTo = billiard.Queue() self.qFrom = billiard.Queue() self.process = billiard.Process( target=stamperLoop , args=(windowSize,windowPosition,windowColor,doBorder,self.qTo,self.qFrom,) ) self.process.start() return None
def forking_enable(enabled):
try:
from billiard import forking_enable
except ImportError:
try:
from multiprocessing import forking_enable
except ImportError:
return
forking_enable(enabled)
def main():
# To assign camera by name: put string(s) in list
eye_cam_names = ["USB 2.0 Camera","Microsoft", "6000","Integrated Camera"]
world_src = ["Logitech Camera","(046d:081d)", "(046d:0991)", "C510","B525", "C525","C615","C920","C930e"]
# world_src = ["USB 2.0 Camera","Microsoft", "5000","Integrated Camera"]
eye_src = (eye_cam_names,0),(eye_cam_names,1) #first match for eye0 and second match for eye1
# to assign cameras directly, using integers as demonstrated below
# eye_src = 4 , 5 #second arg will be ignored for monocular eye trackers
# world_src = 1
# to use a pre-recorded video.
# Use a string to specify the path to your video file as demonstrated below
# eye_src = '/Users/mkassner/Downloads/eye.avi' , '/Users/mkassner/Downloads/eye.avi'
# world_src = "/Users/mkassner/Desktop/2014_01_21/000/world.avi"
# Camera video size in pixels (width,height)
eye_size = (640,480)
world_size = (1280,720)
# on MacOS we will not use os.fork, elsewhere this does nothing.
forking_enable(0)
#g_pool holds variables. Only if added here they are shared across processes.
g_pool = Global_Container()
# Create and initialize IPC
g_pool.pupil_queue = Queue()
g_pool.quit = Value(c_bool,0)
g_pool.timebase = Value(c_double,0)
g_pool.eye_tx = []
# make some constants avaiable
g_pool.user_dir = user_dir
g_pool.rec_dir = rec_dir
g_pool.version = get_version(version_file)
g_pool.app = 'capture'
g_pool.binocular = binocular
p_eye = []
for eye_id in range(1+1*binocular):
rx,tx = Pipe(False)
p_eye += [Process(target=eye, args=(g_pool,eye_src[eye_id],eye_size,rx,eye_id))]
g_pool.eye_tx += [tx]
p_eye[-1].start()
if platform.system() == 'Linux':
# We need to give the camera driver some time before requesting another camera.
sleep(0.5)
world(g_pool,world_src,world_size)
# Exit / clean-up
for p in p_eye:
p.join()
def init_marker_cacher(self):
forking_enable(0) #for MacOs only
from marker_detector_cacher import fill_cache
visited_list = [False if x == False else True for x in self.cache]
video_file_path = self.g_pool.capture.src
self.cache_queue = Queue()
self.cacher_seek_idx = Value('i',0)
self.cacher_run = Value(c_bool,True)
self.cacher = Process(target=fill_cache, args=(visited_list,video_file_path,self.cache_queue,self.cacher_seek_idx,self.cacher_run,self.min_marker_perimeter))
self.cacher.start()
def create(self, w):
forking_enable(w.no_execv or not w.force_execv)
pool = w.pool = self.instantiate(w.pool_cls, w.min_concurrency,
initargs=(w.app, w.hostname),
maxtasksperchild=w.max_tasks_per_child,
timeout=w.task_time_limit,
soft_timeout=w.task_soft_time_limit,
putlocks=w.pool_putlocks,
lost_worker_timeout=w.worker_lost_wait)
return pool
def init_marker_cacher(self):
forking_enable(0) #for MacOs only
from marker_detector_cacher import fill_cache
visited_list = [False if x == False else True for x in self.cache]
video_file_path = os.path.join(self.g_pool.rec_dir,'world.avi')
self.cache_queue = Queue()
self.cacher_seek_idx = Value(c_int,0)
self.cacher_run = Value(c_bool,True)
self.cacher = Process(target=fill_cache, args=(visited_list,video_file_path,self.cache_queue,self.cacher_seek_idx,self.cacher_run))
self.cacher.start()
def main():
# To assign camera by name: put string(s) in list
world_src = ["Pupil Cam1 ID2","Logitech Camera","(046d:081d)","C510","B525", "C525","C615","C920","C930e"]
eye0 = ["Pupil Cam1 ID0","HD-6000","Integrated Camera","HD USB Camera","USB 2.0 Camera"]
eye1 = ["Pupil Cam1 ID1","HD-6000","Integrated Camera"]
eye_src = eye0, eye1
# to assign cameras directly, using integers as demonstrated below
# eye_src = 1 , 1 #second arg will be ignored for monocular eye trackers
# world_src = 0
# to use a pre-recorded video.
# Use a string to specify the path to your video file as demonstrated below
# eye_src = '/Users/mkassner/Downloads/000/eye0.mkv' , '/Users/mkassner/Downloads/eye.avi'
# world_src = "/Users/mkassner/Downloads/000/world.mkv"
# Default camera video size in pixels (width,height)
eye_size = (640,480)
world_size = (1280,720)
# on MacOS we will not use os.fork, elsewhere this does nothing.
forking_enable(0)
#g_pool holds variables. Only if added here they are shared across processes.
g_pool = Global_Container()
# Create and initialize IPC
g_pool.pupil_queue = Queue()
g_pool.quit = Value(c_bool,0)
g_pool.timebase = Value(c_double,0)
g_pool.eye_tx = []
# make some constants avaiable
g_pool.user_dir = user_dir
g_pool.version = get_version(version_file)
g_pool.app = 'capture'
g_pool.binocular = binocular
p_eye = []
for eye_id in range(1+1*binocular):
eye_end,world_end = Pipe(True)
p_eye += [Process(target=eye, args=(g_pool,eye_src[eye_id],eye_size,eye_end,eye_id))]
p_eye[-1].start()
#wait for ready message from eye to sequentialize startup
logger.debug(world_end.recv())
g_pool.eye_tx += [world_end]
world(g_pool,world_src,world_size)
# Exit / clean-up
for p in p_eye:
p.join()
def init_marker_cacher(self):
forking_enable(0) #for MacOs only
from marker_detector_cacher import fill_cache
visited_list = [False if x == False else True for x in self.cache]
video_file_path = self.g_pool.capture.src
timestamps = self.g_pool.capture.timestamps
self.cache_queue = Queue()
self.cacher_seek_idx = Value('i',0)
self.cacher_run = Value(c_bool,True)
self.cacher = Process(target=fill_cache, args=(visited_list,video_file_path,timestamps,self.cache_queue,self.cacher_seek_idx,self.cacher_run,self.min_marker_perimeter_cacher))
self.cacher.start()
def run_player(self, graphdef):
if 'mestate' in globals():
self.mestate.console.write("Running Player...")
else:
self.mestate.child_pipe_send_console.send("Running Player...")
self.player = player.MavPlay()
self.player.add_mav(self.mlog)
if platform.system() == 'Darwin':
forking_enable(False)
child = Process(target=self.player.run)
child.start()
def create(self, w):
forking_enable(not w.force_execv)
pool = w.pool = self.instantiate(
w.pool_cls,
w.min_concurrency,
initargs=(w.app, w.hostname),
maxtasksperchild=w.max_tasks_per_child,
timeout=w.task_time_limit,
soft_timeout=w.task_soft_time_limit,
putlocks=w.pool_putlocks,
lost_worker_timeout=w.worker_lost_wait)
return pool
def start(self,file_loc, audio_src):
# from rec_thread import rec_thread
try:
from billiard import forking_enable
forking_enable(0)
except ImportError:
pass
self.should_close.clear()
self.process = Process(target=rec_thread, args=(file_loc, audio_src,self.should_close))
self.process.start()
try:
forking_enable(1)
except:
pass
def create(self, w):
threaded = not w.use_eventloop
forking_enable(w.no_execv or not w.force_execv)
pool = w.pool = self.instantiate(w.pool_cls, w.min_concurrency,
initargs=(w.app, w.hostname),
maxtasksperchild=w.max_tasks_per_child,
timeout=w.task_time_limit,
soft_timeout=w.task_soft_time_limit,
putlocks=w.pool_putlocks,
lost_worker_timeout=w.worker_lost_wait,
with_task_thread=threaded,
with_result_thread=threaded,
with_supervisor_thread=threaded)
return pool
def main():
# To assign camera by name: put string(s) in list
eye_src = ["Microsoft", "6000","Integrated Camera"]
world_src = ["Logitech Camera","(046d:081d)","C510","B525", "C525","C615","C920","C930e"]
# to assign cameras directly, using integers as demonstrated below
# eye_src = 1
# world_src = 0
# to use a pre-recorded video.
# Use a string to specify the path to your video file as demonstrated below
# eye_src = '/Users/mkassner/Pupil/datasets/p1-left/frames/test.avi'
# world_src = "/Users/mkassner/Desktop/2014_01_21/000/world.avi"
# Camera video size in pixels (width,height)
eye_size = (640,360)
world_size = (1280,720)
# on MacOS we will not use os.fork, elsewhere this does nothing.
forking_enable(0)
# Create and initialize IPC
g_pool = Temp()
g_pool.pupil_queue = Queue()
g_pool.eye_rx, g_pool.eye_tx = Pipe(False)
g_pool.quit = RawValue(c_bool,0)
# this value will be substracted form the capture timestamp
g_pool.timebase = RawValue(c_double,0)
# make some constants avaiable
g_pool.user_dir = user_dir
g_pool.rec_dir = rec_dir
g_pool.version = version
g_pool.app = 'capture'
# set up subprocesses
p_eye = Process(target=eye, args=(g_pool,eye_src,eye_size))
# Spawn subprocess:
p_eye.start()
if platform.system() == 'Linux':
# We need to give the camera driver some time before requesting another camera.
sleep(0.5)
world(g_pool,world_src,world_size)
# Exit / clean-up
p_eye.join()
def main():
# To assign camera by name: put string(s) in list
eye_src = ["Microsoft", "6000", "Integrated Camera"]
world_src = [
"Logitech Camera", "(046d:081d)", "C510", "B525", "C525", "C615",
"C920", "C930e"
]
# to assign cameras directly, using integers as demonstrated below
# eye_src = 1
# world_src = 0
# to use a pre-recorded video.
# Use a string to specify the path to your video file as demonstrated below
# eye_src = '/Users/mkassner/Pupil/datasets/p1-left/frames/test.avi'
# world_src = "/Users/mkassner/Desktop/2014_01_21/000/world.avi"
# Camera video size in pixels (width,height)
eye_size = (640, 360)
world_size = (1280, 720)
# on MacOS we will not use os.fork, elsewhere this does nothing.
forking_enable(0)
# Create and initialize IPC
g_pool = Temp()
g_pool.pupil_queue = Queue()
g_pool.eye_rx, g_pool.eye_tx = Pipe(False)
g_pool.quit = RawValue(c_bool, 0)
# this value will be substracted form the capture timestamp
g_pool.timebase = RawValue(c_double, 0)
# make some constants avaiable
g_pool.user_dir = user_dir
g_pool.rec_dir = rec_dir
g_pool.version = version
g_pool.app = 'capture'
# set up subprocesses
p_eye = Process(target=eye, args=(g_pool, eye_src, eye_size))
# Spawn subprocess:
p_eye.start()
if platform.system() == 'Linux':
# We need to give the camera driver some time before requesting another camera.
sleep(0.5)
world(g_pool, world_src, world_size)
# Exit / clean-up
p_eye.join()
def on_start(self):
"""Run the task pool.
Will pre-fork all workers so they're ready to accept tasks.
"""
forking_enable(self.forking_enable)
P = self._pool = self.Pool(processes=self.limit,
initializer=process_initializer,
**self.options)
self.on_apply = P.apply_async
self.on_soft_timeout = P._timeout_handler.on_soft_timeout
self.on_hard_timeout = P._timeout_handler.on_hard_timeout
self.maintain_pool = P.maintain_pool
self.maybe_handle_result = P._result_handler.handle_event
def on_start(self):
"""Run the task pool.
Will pre-fork all workers so they're ready to accept tasks.
"""
forking_enable(self.forking_enable)
P = self._pool = self.Pool(processes=self.limit,
initializer=process_initializer,
**self.options)
self.on_apply = P.apply_async
self.on_soft_timeout = P._timeout_handler.on_soft_timeout
self.on_hard_timeout = P._timeout_handler.on_hard_timeout
self.maintain_pool = P.maintain_pool
self.maybe_handle_result = P._result_handler.handle_event
def start(self, file_loc, audio_src):
# from rec_thread import rec_thread
try:
from billiard import forking_enable
forking_enable(0)
except ImportError:
pass
self.should_close.clear()
self.process = Process(target=rec_thread,
args=(file_loc, audio_src, self.should_close))
self.process.start()
try:
forking_enable(1)
except:
pass
def main():
mp.forking_enable(False)
initfun()
x = mp.Pool(1, initializer=initfun)
time.sleep(10)
x.apply_async(f, ("x" * 1024**2, ), callback=cb)
time.sleep(3)
x.apply_async(f, ("x" * (1024**2), ), callback=cb)
time.sleep(3)
x.apply_async(f, ("x" * (1024**2), ), callback=cb)
time.sleep(30)
x.close()
x.join()
def __init__(self, title='MAVProxy: console'):
if platform.system() == 'Darwin':
forking_enable(False)
textconsole.SimpleConsole.__init__(self)
self.title = title
self.menu_callback = None
self.parent_pipe_recv, self.child_pipe_send = Pipe(duplex=False)
self.child_pipe_recv, self.parent_pipe_send = Pipe(duplex=False)
self.close_event = Event()
self.close_event.clear()
self.child = Process(target=self.child_task)
self.child.start()
self.child_pipe_send.close()
self.child_pipe_recv.close()
t = threading.Thread(target=self.watch_thread)
t.daemon = True
t.start()
def add_exports(self):
# on MacOS we will not use os.fork, elsewhere this does nothing.
forking_enable(0)
outfiles = set()
for d in self.new_exports:
logger.debug("Adding new export.")
should_terminate = RawValue(c_bool, False)
frames_to_export = RawValue(c_int, 0)
current_frame = RawValue(c_int, 0)
start_frame = None
end_frame = None
data_dir = d
plugins = []
# Here we make clones of every plugin that supports it.
# So it runs in the current config when we lauch the exporter.
for p in self.g_pool.plugins:
try:
p_initializer = p.get_class_name(), p.get_init_dict()
plugins.append(p_initializer)
except AttributeError:
pass
#make a unique name created from rec_session and dir name
rec_session, rec_dir = data_dir.rsplit(os.path.sep, 2)[1:]
out_name = rec_session + "_" + rec_dir + ".avi"
out_file_path = os.path.join(self.destination_dir.value, out_name)
if out_file_path in outfiles:
logger.error(
"This export setting would try to save %s at least twice please rename dirs to prevent this. Skipping File"
% out_file_path)
else:
outfiles.add(out_file_path)
logger.info("Exporting to: %s" % out_file_path)
process = Process(target=export,
args=(should_terminate, frames_to_export,
current_frame, data_dir, start_frame,
end_frame, plugins, out_file_path))
process.should_terminate = should_terminate
process.frames_to_export = frames_to_export
process.current_frame = current_frame
process.out_file_path = out_file_path
self.exports.append(process)
def on_start(self):
forking_enable(self.forking_enable)
Pool = (self.BlockingPool if self.options.get('threads', True)
else self.Pool)
P = self._pool = Pool(processes=self.limit,
initializer=process_initializer,
on_process_exit=process_destructor,
enable_timeouts=True,
synack=False,
**self.options)
# Create proxy methods
self.on_apply = P.apply_async
self.maintain_pool = P.maintain_pool
self.terminate_job = P.terminate_job
self.grow = P.grow
self.shrink = P.shrink
self.flush = getattr(P, 'flush', None) # FIXME add to billiard
def on_start(self):
forking_enable(self.forking_enable)
Pool = (self.BlockingPool
if self.options.get('threads', True) else self.Pool)
P = self._pool = Pool(processes=self.limit,
initializer=process_initializer,
on_process_exit=process_destructor,
enable_timeouts=True,
synack=False,
**self.options)
# Create proxy methods
self.on_apply = P.apply_async
self.maintain_pool = P.maintain_pool
self.terminate_job = P.terminate_job
self.grow = P.grow
self.shrink = P.shrink
self.flush = getattr(P, 'flush', None) # FIXME add to billiard
def main():
# To assign camera by name: put string(s) in list
eye_src = ["Microsoft", "6000","Integrated Camera"]
world_src = ["Logitech Camera","B525", "C525","C615","C920","C930e"]
# to assign cameras directly, using integers as demonstrated below
# eye_src = 1
# world_src = 0
# to use a pre-recorded video.
# Use a string to specify the path to your video file as demonstrated below
# eye_src = "/Users/mkassner/Pupil/datasets/eye2_fieldtest/eye 10.avi"
# world_src = "/Users/mkassner/Downloads/2013_10_22_M25/000/world.avi"
# Camera video size in pixels (width,height)
eye_size = (640,360)
world_size = (1280,720)
# on MacOS we will not use os.fork, elsewhere this does nothing.
forking_enable(0)
# Create and initialize IPC
g_pool = Temp()
g_pool.pupil_queue = Queue()
g_pool.eye_rx, g_pool.eye_tx = Pipe(False)
g_pool.quit = RawValue(c_bool,0)
# make some constants avaiable
g_pool.user_dir = user_dir
g_pool.rec_dir = rec_dir
g_pool.version = version
# set up subprocesses
p_eye = Process(target=eye, args=(g_pool,eye_src,eye_size))
# Spawn subprocess:
p_eye.start()
# On Linux, we need to give the camera driver some time before requesting another camera.
sleep(0.5)
# On MacOS cameras using MJPG compression (world camera) need to run in the main process.
world(g_pool,world_src,world_size)
# Exit / clean-up
p_eye.join()
def on_start(self):
"""Run the task pool.
Will pre-fork all workers so they're ready to accept tasks.
"""
if self.options.get('maxtasksperchild'):
try:
from billiard import Connection
Connection.send_offset
except (ImportError, AttributeError):
# billiard C extension not installed
warning(MAXTASKS_NO_BILLIARD)
forking_enable(self.forking_enable)
Pool = (self.BlockingPool if self.options.get('threads', True)
else self.Pool)
P = self._pool = Pool(processes=self.limit,
initializer=process_initializer,
synack=False,
**self.options)
# Create proxy methods
self.on_apply = P.apply_async
self.on_soft_timeout = P._timeout_handler.on_soft_timeout
self.on_hard_timeout = P._timeout_handler.on_hard_timeout
self.maintain_pool = P.maintain_pool
self.terminate_job = P.terminate_job
self.grow = P.grow
self.shrink = P.shrink
self.restart = P.restart
self.maybe_handle_result = P._result_handler.handle_event
self.handle_result_event = P.handle_result_event
# Holds jobs waiting to be written to child processes.
self.outbound_buffer = deque()
# Set of fds being written to (busy)
self._active_writes = set()
# Set of active co-routines currently writing jobs.
self._active_writers = set()
def create(self, w, semaphore=None, max_restarts=None):
threaded = not w.use_eventloop
forking_enable(not threaded or (w.no_execv or not w.force_execv))
procs = w.min_concurrency
if not threaded:
semaphore = w.semaphore = BoundedSemaphore(procs)
max_restarts = 100
pool = w.pool = self.instantiate(w.pool_cls, w.min_concurrency,
initargs=(w.app, w.hostname),
maxtasksperchild=w.max_tasks_per_child,
timeout=w.task_time_limit,
soft_timeout=w.task_soft_time_limit,
putlocks=w.pool_putlocks and threaded,
lost_worker_timeout=w.worker_lost_wait,
with_task_thread=threaded,
with_result_thread=threaded,
with_supervisor_thread=threaded,
max_restarts=max_restarts,
semaphore=semaphore)
return pool
def add_exports(self):
# on MacOS we will not use os.fork, elsewhere this does nothing.
forking_enable(0)
outfiles = set()
for d in self.new_exports:
logger.debug("Adding new export.")
should_terminate = RawValue(c_bool,False)
frames_to_export = RawValue(c_int,0)
current_frame = RawValue(c_int,0)
start_frame = None
end_frame = None
data_dir = d
plugins = []
# Here we make clones of every plugin that supports it.
# So it runs in the current config when we lauch the exporter.
for p in self.g_pool.plugins:
try:
p_initializer = p.get_class_name(),p.get_init_dict()
plugins.append(p_initializer)
except AttributeError:
pass
#make a unique name created from rec_session and dir name
rec_session, rec_dir = data_dir.rsplit(os.path.sep,2)[1:]
out_name = rec_session+"_"+rec_dir+".avi"
out_file_path = os.path.join(self.destination_dir.value,out_name)
if out_file_path in outfiles:
logger.error("This export setting would try to save %s at least twice please rename dirs to prevent this. Skipping File"%out_file_path)
else:
outfiles.add(out_file_path)
logger.info("Exporting to: %s"%out_file_path)
process = Process(target=export, args=(should_terminate,frames_to_export,current_frame, data_dir,start_frame,end_frame,plugins,out_file_path))
process.should_terminate = should_terminate
process.frames_to_export = frames_to_export
process.current_frame = current_frame
process.out_file_path = out_file_path
self.exports.append(process)
def on_start(self):
"""Run the task pool.
Will pre-fork all workers so they're ready to accept tasks.
"""
forking_enable(self.forking_enable)
Pool = (self.BlockingPool
if self.options.get('threads', True) else self.Pool)
P = self._pool = Pool(processes=self.limit,
initializer=process_initializer,
on_process_exit=process_destructor,
synack=False,
**self.options)
# Create proxy methods
self.on_apply = P.apply_async
self.maintain_pool = P.maintain_pool
self.terminate_job = P.terminate_job
self.grow = P.grow
self.shrink = P.shrink
self.flush = getattr(P, 'flush', None) # FIXME add to billiard
def create(self, w, semaphore=None, max_restarts=None):
threaded = not w.use_eventloop
forking_enable(not threaded or (w.no_execv or not w.force_execv))
procs = w.min_concurrency
if not threaded:
semaphore = w.semaphore = BoundedSemaphore(procs)
max_restarts = 100
pool = w.pool = self.instantiate(
w.pool_cls,
w.min_concurrency,
initargs=(w.app, w.hostname),
maxtasksperchild=w.max_tasks_per_child,
timeout=w.task_time_limit,
soft_timeout=w.task_soft_time_limit,
putlocks=w.pool_putlocks and threaded,
lost_worker_timeout=w.worker_lost_wait,
threads=threaded,
max_restarts=max_restarts,
semaphore=semaphore)
if w.hub:
w.hub.on_init.append(partial(self.on_poll_init, pool))
return pool
def on_start(self):
"""Run the task pool.
Will pre-fork all workers so they're ready to accept tasks.
"""
forking_enable(self.forking_enable)
Pool = (self.BlockingPool if self.options.get('threads', True)
else self.Pool)
P = self._pool = Pool(processes=self.limit,
initializer=process_initializer,
on_process_exit=process_destructor,
synack=False,
**self.options)
# Create proxy methods
self.on_apply = P.apply_async
self.maintain_pool = P.maintain_pool
self.terminate_job = P.terminate_job
self.grow = P.grow
self.shrink = P.shrink
self.flush = getattr(P, 'flush', None) # FIXME add to billiard
def create(self, w, semaphore=None, max_restarts=None):
threaded = not w.use_eventloop
forking_enable(not threaded or (w.no_execv or not w.force_execv))
procs = w.min_concurrency
if not threaded:
semaphore = w.semaphore = BoundedSemaphore(procs)
max_restarts = 100
allow_restart = self.autoreload_enabled or w.pool_restarts
pool = w.pool = self.instantiate(w.pool_cls, w.min_concurrency,
initargs=(w.app, w.hostname),
maxtasksperchild=w.max_tasks_per_child,
timeout=w.task_time_limit,
soft_timeout=w.task_soft_time_limit,
putlocks=w.pool_putlocks and threaded,
lost_worker_timeout=w.worker_lost_wait,
threads=threaded,
max_restarts=max_restarts,
allow_restart=allow_restart,
semaphore=semaphore)
if w.hub:
w.hub.on_init.append(partial(self.on_poll_init, pool))
return pool
import billiard
billiard.forking_enable(0)
from . import trackerLoop
from . import cameraLoop
from . import calibrationLoop
########
# Define a class that spawns a new process to poll the camera and queue images
########
class cameraClass:
def __init__(self,camIndex,camRes,timestampMethod):
self.qTo = billiard.Queue()
self.qFrom = billiard.Queue()
self.process = billiard.Process( target=cameraLoop.loop , args=(self.qTo,self.qFrom,camIndex,camRes,timestampMethod) )
def start(self):
self.process.start()
def stop(self,):
self.qTo.put('quit')
self.process.join(timeout=1)
if self.process.is_alive():
self.process.terminate()
del self.qTo
del self.qFrom
return None
########
# Define a class that spawns a new process to manage the camera, do tracking and display a preview window
########
class trackerClass:
def __init__(self,camIndex,camRes,previewDownsize,previewLoc,faceDetectionScale,eyeDetectionScale,timestampMethod,viewingDistance,stimDisplayWidth,stimDisplayRes,stimDisplayPosition,mirrorDisplayPosition,mirrorDownSize,manualCalibrationOrder,calibrationDotSizeInDegrees,saccadeAlertSizeInDegrees):
def execute(self):
"""See base_runner.execute()."""
import platform
# In OS X the multiprocessing module is horribly broken, but a fixed
# version has been released as the 'billiard' module
if platform.system() == 'Darwin':
import billiard as multiprocessing
multiprocessing.forking_enable(0)
else:
import multiprocessing
from libqtopensesame.misc import process, _
from libopensesame import misc
self._workspace_globals = {}
if os.name == u'nt' or (sys.platform == u'darwin' \
and not hasattr(sys,"frozen")):
# Under Windows and OSX, the multiprocess runner assumes that there
# is a file called `opensesame.py` or `opensesame.pyc`. If this file
# does not exist, try to copy it from the main script
# (`opensesame`). If this fails, provide an informative error
# message.
os_folder = misc.opensesame_folder()
# misc.opensesame_folder() doesn't work for OSX and returns None then,
# so determine OpenSesame's rootdir in another way
if os_folder is None:
os_folder = os.path.dirname(
os.path.abspath(sys.modules['__main__'].__file__))
if not os.path.exists(os.path.join(os_folder, u'opensesame.pyc')) \
and not os.path.exists(os.path.join(os_folder, u'opensesame.py')):
import shutil
try:
shutil.copyfile(os.path.join(os_folder, u'opensesame'),
os.path.join(os_folder, u'opensesame.py'))
except Exception as e:
return osexception(_(
u'Failed to copy `opensesame` to `opensesame.py`, which is required for the multiprocess runner. Please copy the file manually, or select a different runner under Preferences.'
),
exception=e)
self.channel = multiprocessing.Queue()
try:
self.exp_process = process.ExperimentProcess(
self.experiment, self.channel)
except Exception as e:
return osexception(_(u'Failed to initialize experiment process'),
exception=e)
# Start process!
self.exp_process.start()
# Wait for experiment to finish.
# Listen for incoming messages in the meantime.
while self.exp_process.is_alive() or not self.channel.empty():
# We need to process the GUI. To make the GUI feel more responsive
# during pauses, we refresh the GUI more often when paused.
QtGui.QApplication.processEvents()
if self.paused:
for i in range(25):
time.sleep(.01)
QtGui.QApplication.processEvents()
# Make sure None is not printed. Ugly hack for a bug in the Queue
# class?
self.console.suppress_stdout()
# Wait for messages. Will throw Exception if no message is received
# before timeout.
try:
msg = self.channel.get(True, 0.05)
except:
continue
# Restore connection to stdout
self.console.capture_stdout()
if isinstance(msg, basestring):
sys.stdout.write(safe_decode(msg, errors=u'ignore'))
continue
# Capture exceptions
if isinstance(msg, Exception):
return msg
# The workspace globals are sent as a dict. A special __pause__ key
# indicates whether the experiment should be paused or resumed.
if isinstance(msg, dict):
self._workspace_globals = msg
if u'__heartbeat__' in msg:
self.console.set_workspace_globals(msg)
self.main_window.extension_manager.fire(u'heartbeat')
elif u'__pause__' in msg:
if msg[u'__pause__']:
self.pause()
else:
self.resume()
continue
# Anything that is not a string, not an Exception, and not None is
# unexpected
return osexception(
u"Illegal message type received from child process: %s (%s)" \
% (msg, type(msg)))
# Return None if experiment finished without problems
return None
def start():
forking_enable(0) # Is all you need!
camProcess = Process(target=cam, args=(0, ))
camProcess.start()
#block and listen for relevant messages.
topic,n = cmd_sub.recv()
if "notify.eye_process.should_start" in topic:
eye_id = n['eye_id']
if not eyes_are_alive[eye_id].value:
Process(target=eye,
name='eye%s'%eye_id,
args=(timebase,
eyes_are_alive[eye_id],
ipc_pub_url,
ipc_sub_url,
ipc_push_url,
user_dir,
app_version,
eye_id
)).start()
elif "notify.launcher_process.should_stop" in topic:
break
elif "notify.meta.should_doc" in topic:
cmd_push.notify({
'subject':'meta.doc',
'actor':'launcher',
'doc':launcher.__doc__})
for p in active_children(): p.join()
if __name__ == '__main__':
freeze_support()
forking_enable(0)
launcher()
self.close()
def get(self):
if not self.alive:
return None
self.fill()
if len(self.pending) > 0:
return self.pending.pop(0)
return None
def qsize(self):
self.fill()
return len(self.pending)
def empty(self):
return self.qsize() == 0
import platform, os, sys
# we use billiard (and forking disable) on MacOS, and also if USE_BILLIARD environment
# is set. Using USE_BILLIARD allows for debugging of the crazy forking disable approach on
# a saner platform
# As of Python 3.8 the default start method for macOS is spawn and billiard is not required.
if ((platform.system() == 'Darwin' or os.environ.get('USE_BILLIARD',None) is not None)
and sys.version_info < (3, 8)):
from billiard import Process, forking_enable, freeze_support, Pipe, Semaphore, Event, Lock
forking_enable(False)
Queue = PipeQueue
else:
from multiprocessing import Process, freeze_support, Pipe, Semaphore, Event, Lock, Queue
def opensesame():
import os, sys, platform
# Add the folder that contains the OpenSesame modules to the path. This is
# generally only necessary if OpenSesame is directly run from source,
# instead from an installation.
if os.path.exists(os.path.join(os.getcwd(), 'libopensesame')):
sys.path.insert(0, os.getcwd())
# Support for multiprocessing when packaged
# In OS X the multiprocessing module is horribly broken, but a fixed
# version has been released as the 'billiard' module
if platform.system() == 'Darwin':
# Use normal multirpocessing module from python 3.4 and on
if sys.version_info >= (3, 4):
from multiprocessing import freeze_support, set_start_method
freeze_support()
set_start_method('forkserver')
else:
from billiard import freeze_support, forking_enable
freeze_support()
forking_enable(0)
else:
from multiprocessing import freeze_support
freeze_support()
# Parse the (optional) environment file that contains special paths, etc.
from libopensesame.misc import resource, filesystem_encoding, \
parse_environment_file
parse_environment_file()
# Force the new-style Qt API
import sip
import qtpy
sip.setapi('QString', 2)
sip.setapi('QVariant', 2)
# Load debug package (this must be after the working directory change)
from libopensesame import debug
# Do the basic window initialization
from qtpy.QtWidgets import QApplication
# From Qt 5.6 on, QtWebEngine is the default way to render web pages
# QtWebEngineWidgets must be imported before a QCoreApplication instance is created
try:
from qtpy import QtWebEngineWidgets
except ImportError:
pass
app = QApplication(sys.argv)
# Enable High DPI display with PyQt5
if hasattr(qtpy.QtCore.Qt, 'AA_UseHighDpiPixmaps'):
app.setAttribute(qtpy.QtCore.Qt.AA_UseHighDpiPixmaps)
from libqtopensesame.qtopensesame import qtopensesame
opensesame = qtopensesame(app)
opensesame.__script__ = __file__
app.processEvents()
# Import the remaining modules
from qtpy.QtCore import QObject, QLocale, QTranslator
import os.path
# Load the locale for UI translation. The locale can be specified on the
# command line using the --locale parameter
locale = QLocale().system().name()
for i in range(len(sys.argv) - 1):
if sys.argv[i] == '--locale':
locale = sys.argv[i + 1]
qm = resource(os.path.join(u'locale', locale) + u'.qm')
# Say that we're trying to load de_AT, and it is not found, then we'll try
# de_DE as fallback.
if qm is None:
l = locale.split(u'_')
if len(l):
_locale = l[0] + u'_' + l[0].upper()
qm = resource(os.path.join(u'locale', _locale + u'.qm'))
if qm is not None:
locale = _locale
opensesame._locale = locale
if qm is not None:
debug.msg(u'installing %s translator' % qm)
translator = QTranslator()
translator.load(qm)
app.installTranslator(translator)
else:
debug.msg(u'no translator found for %s' % locale)
# Now that the window is shown, load the remaining modules and resume the
# GUI initialization.
opensesame.resume_init()
opensesame.restore_window_state()
opensesame.refresh()
opensesame.show()
# Added for OS X, otherwise Window will not appear
opensesame.raise_()
# Exit using the application exit status
sys.exit(app.exec_())
# # print writer.video_stream.time_base
# # print writer.
# for x in xrange(300):
# frame = cap.get_frame()
# writer.write_video_frame(frame)
# # writer.write(frame.img)
# # print writer.video_stream
# cap.close()
# writer.close()
if __name__ == '__main__':
try:
from billiard import forking_enable
forking_enable(0)
except ImportError:
pass
logging.basicConfig(level=logging.DEBUG)
cap = Audio_Capture('test.wav', 1)
import time
time.sleep(2)
cap.close()
#mic device
exit()
container = av.open('hw:0', format="alsa")
container = av.open(':0', format="avfoundation")
print 'container:', container
but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenSesame. If not, see <http://www.gnu.org/licenses/>. """ import platform # In OS X the multiprocessing module is horribly broken, but a fixed # version has been released as the 'billiard' module if platform.system() == 'Darwin': import billiard as multiprocessing multiprocessing.forking_enable(0) else: import multiprocessing class OutputChannel: """Passes messages from child process back to main process.""" def __init__(self, channel, orig=None): """ Constructor. Arguments: channel -- A multiprocessing.JoinableQueue object that is referenced from the main process.
def main():
# To assign camera by name: put string(s) in list
world_src = [
"Pupil Cam1 ID2", "Logitech Camera", "(046d:081d)", "C510", "B525",
"C525", "C615", "C920", "C930e"
]
eye0 = [
"Pupil Cam1 ID0", "HD-6000", "Integrated Camera", "HD USB Camera",
"USB 2.0 Camera"
]
eye1 = ["Pupil Cam1 ID1", "HD-6000", "Integrated Camera"]
eye_src = eye0, eye1
# to assign cameras directly, using integers as demonstrated below
# eye_src = 1 , 1 #second arg will be ignored for monocular eye trackers
# world_src = 0
# to use a pre-recorded video.
# Use a string to specify the path to your video file as demonstrated below
# eye_src = '/Users/mkassner/Downloads/eye0.mkv' , '/Users/mkassner/Downloads/eye.avi'
# world_src = "/Users/mkassner/Downloads/000/world.mkv"
# Default camera video size in pixels (width,height)
eye_size = (640, 480)
world_size = (1280, 720)
# on MacOS we will not use os.fork, elsewhere this does nothing.
forking_enable(0)
#g_pool holds variables. Only if added here they are shared across processes.
g_pool = Global_Container()
# Create and initialize IPC
g_pool.pupil_queue = Queue()
g_pool.quit = Value(c_bool, 0)
g_pool.timebase = Value(c_double, 0)
g_pool.eye_tx = []
# make some constants avaiable
g_pool.user_dir = user_dir
g_pool.version = get_version(version_file)
g_pool.app = 'capture'
g_pool.binocular = binocular
p_eye = []
for eye_id in range(1 + 1 * binocular):
eye_end, world_end = Pipe(True)
p_eye += [
Process(target=eye,
args=(g_pool, eye_src[eye_id], eye_size, eye_end, eye_id))
]
p_eye[-1].start()
#wait for ready message from eye to sequentialize startup
logger.debug(world_end.recv())
g_pool.eye_tx += [world_end]
world(g_pool, world_src, world_size)
# Exit / clean-up
for p in p_eye:
p.join()