def launch_aligner(self):
""" Load the aligner plugin to retrieve landmarks """
out_queue = queue_manager.get_queue("out")
kwargs = {"in_queue": queue_manager.get_queue("in"),
"out_queue": out_queue}
for plugin in ("fan", "cv2_dnn"):
aligner = PluginLoader.get_aligner(plugin)(loglevel=self.args.loglevel)
process = SpawnProcess(aligner.run, **kwargs)
event = process.event
process.start()
# Wait for Aligner to take init
# The first ever load of the model for FAN has reportedly taken
# up to 3-4 minutes, hence high timeout.
event.wait(300)
if not event.is_set():
if plugin == "fan":
process.join()
logger.error("Error initializing FAN. Trying CV2-DNN")
continue
else:
raise ValueError("Error inititalizing Aligner")
if plugin == "cv2_dnn":
return
try:
err = None
err = out_queue.get(True, 1)
except QueueEmpty:
pass
if not err:
break
process.join()
logger.error("Error initializing FAN. Trying CV2-DNN")
def launch_aligner(self):
""" Launch the face aligner """
logger.debug("Launching Aligner")
kwargs = {"in_queue": self.queues["extract_align_in"],
"out_queue": self.queues["extract_align_out"]}
process = SpawnProcess(self.aligner.run, **kwargs)
event = process.event
error = process.error
process.start()
self.processes.append(process)
# Wait for Aligner to take it's VRAM
# The first ever load of the model for FAN has reportedly taken
# up to 3-4 minutes, hence high timeout.
# TODO investigate why this is and fix if possible
for mins in reversed(range(5)):
for seconds in range(60):
event.wait(seconds)
if event.is_set():
break
if error.is_set():
break
if event.is_set():
break
if mins == 0 or error.is_set():
raise ValueError("Error initializing Aligner")
logger.info("Waiting for Aligner... Time out in %s minutes", mins)
logger.debug("Launched Aligner")
def init_extractor(self, loglevel):
""" Initialize FAN """
logger.debug("Initialize Extractor")
out_queue = queue_manager.get_queue("out")
d_kwargs = {"in_queue": queue_manager.get_queue("in"),
"out_queue": queue_manager.get_queue("align")}
a_kwargs = {"in_queue": queue_manager.get_queue("align"),
"out_queue": out_queue}
detector = PluginLoader.get_detector("manual")(loglevel=loglevel)
detect_process = SpawnProcess(detector.run, **d_kwargs)
d_event = detect_process.event
detect_process.start()
for plugin in ("fan", "cv2_dnn"):
aligner = PluginLoader.get_aligner(plugin)(loglevel=loglevel)
align_process = SpawnProcess(aligner.run, **a_kwargs)
a_event = align_process.event
align_process.start()
# Wait for Aligner to initialize
# The first ever load of the model for FAN has reportedly taken
# up to 3-4 minutes, hence high timeout.
a_event.wait(300)
if not a_event.is_set():
if plugin == "fan":
align_process.join()
logger.error("Error initializing FAN. Trying CV2-DNN")
continue
else:
raise ValueError("Error inititalizing Aligner")
if plugin == "cv2_dnn":
break
try:
err = None
err = out_queue.get(True, 1)
except QueueEmpty:
pass
if not err:
break
align_process.join()
logger.error("Error initializing FAN. Trying CV2-DNN")
d_event.wait(10)
if not d_event.is_set():
raise ValueError("Error inititalizing Detector")
self.extractor["detect"] = detector
self.extractor["align"] = aligner
logger.debug("Initialized Extractor")
def launch_aligner(self):
""" Load the aligner plugin to retrieve landmarks """
out_queue = queue_manager.get_queue("out")
kwargs = {
"in_queue": queue_manager.get_queue("in"),
"out_queue": out_queue
}
for plugin in ("fan", "cv2_dnn"):
aligner = PluginLoader.get_aligner(plugin)(
loglevel=self.args.loglevel)
process = SpawnProcess(aligner.run, **kwargs)
event = process.event
process.start()
# Wait for Aligner to take init
# The first ever load of the model for FAN has reportedly taken
# up to 3-4 minutes, hence high timeout.
event.wait(300)
if not event.is_set():
if plugin == "fan":
process.join()
logger.error("Error initializing FAN. Trying CV2-DNN")
continue
else:
raise ValueError("Error inititalizing Aligner")
if plugin == "cv2_dnn":
return
try:
err = None
err = out_queue.get(True, 1)
except QueueEmpty:
pass
if not err:
break
process.join()
logger.error("Error initializing FAN. Trying CV2-DNN")
def launch_aligner(self):
""" Load the aligner plugin to retrieve landmarks """
out_queue = queue_manager.get_queue("out")
kwargs = {"in_queue": queue_manager.get_queue("in"),
"out_queue": out_queue}
<<<<<<< HEAD
for plugin in ("fan", "dlib"):
=======
for plugin in ("fan", "cv2_dnn"):
>>>>>>> upstream/master
aligner = PluginLoader.get_aligner(plugin)(loglevel=self.args.loglevel)
process = SpawnProcess(aligner.run, **kwargs)
event = process.event
process.start()
# Wait for Aligner to take init
# The first ever load of the model for FAN has reportedly taken
# up to 3-4 minutes, hence high timeout.
event.wait(300)
if not event.is_set():
if plugin == "fan":
process.join()
logger.error("Error initializing FAN. Trying CV2-DNN")
continue
else:
raise ValueError("Error inititalizing Aligner")
if plugin == "cv2_dnn":
return
class Plugins():
""" Detector and Aligner Plugins and queues """
def __init__(self, arguments):
logger.debug("Initializing %s", self.__class__.__name__)
self.args = arguments
self.detector = self.load_detector()
self.aligner = self.load_aligner()
self.is_parallel = self.set_parallel_processing()
self.process_detect = None
self.process_align = None
self.add_queues()
logger.debug("Initialized %s", self.__class__.__name__)
def set_parallel_processing(self):
""" Set whether to run detect and align together or separately """
detector_vram = self.detector.vram
aligner_vram = self.aligner.vram
gpu_stats = GPUStats()
if (detector_vram == 0 or aligner_vram == 0
or gpu_stats.device_count == 0):
logger.debug(
"At least one of aligner or detector have no VRAM requirement. "
"Enabling parallel processing.")
return True
if hasattr(self.args, "multiprocess") and not self.args.multiprocess:
logger.info("NB: Parallel processing disabled.You may get faster "
"extraction speeds by enabling it with the -mp switch")
return False
required_vram = detector_vram + aligner_vram + 320 # 320MB buffer
stats = gpu_stats.get_card_most_free()
free_vram = int(stats["free"])
logger.verbose("%s - %sMB free of %sMB", stats["device"], free_vram,
int(stats["total"]))
if free_vram <= required_vram:
logger.warning("Not enough free VRAM for parallel processing. "
"Switching to serial")
return False
return True
def add_queues(self):
""" Add the required processing queues to Queue Manager """
for task in ("load", "detect", "align", "save"):
size = 0
if task == "load" or (not self.is_parallel and task == "detect"):
size = 100
queue_manager.add_queue(task, maxsize=size)
def load_detector(self):
""" Set global arguments and load detector plugin """
detector_name = self.args.detector.replace("-", "_").lower()
logger.debug("Loading Detector: '%s'", detector_name)
# Rotation
rotation = None
if hasattr(self.args, "rotate_images"):
rotation = self.args.rotate_images
detector = PluginLoader.get_detector(detector_name)(
loglevel=self.args.loglevel, rotation=rotation)
return detector
def load_aligner(self):
""" Set global arguments and load aligner plugin """
aligner_name = self.args.aligner.replace("-", "_").lower()
logger.debug("Loading Aligner: '%s'", aligner_name)
aligner = PluginLoader.get_aligner(aligner_name)(
loglevel=self.args.loglevel)
return aligner
def launch_aligner(self):
""" Launch the face aligner """
logger.debug("Launching Aligner")
out_queue = queue_manager.get_queue("align")
kwargs = {
"in_queue": queue_manager.get_queue("detect"),
"out_queue": out_queue
}
self.process_align = SpawnProcess(self.aligner.run, **kwargs)
event = self.process_align.event
self.process_align.start()
# Wait for Aligner to take it's VRAM
# The first ever load of the model for FAN has reportedly taken
# up to 3-4 minutes, hence high timeout.
# TODO investigate why this is and fix if possible
for mins in reversed(range(5)):
event.wait(60)
if event.is_set():
break
if mins == 0:
raise ValueError("Error initializing Aligner")
logger.info("Waiting for Aligner... Time out in %s minutes", mins)
logger.debug("Launched Aligner")
def launch_detector(self):
""" Launch the face detector """
logger.debug("Launching Detector")
out_queue = queue_manager.get_queue("detect")
kwargs = {
"in_queue": queue_manager.get_queue("load"),
"out_queue": out_queue
}
mp_func = PoolProcess if self.detector.parent_is_pool else SpawnProcess
self.process_detect = mp_func(self.detector.run, **kwargs)
event = None
if hasattr(self.process_detect, "event"):
event = self.process_detect.event
self.process_detect.start()
if event is None:
logger.debug("Launched Detector")
return
for mins in reversed(range(5)):
event.wait(60)
if event.is_set():
break
if mins == 0:
raise ValueError("Error initializing Detector")
logger.info("Waiting for Detector... Time out in %s minutes", mins)
logger.debug("Launched Detector")
def detect_faces(self, extract_pass="******"):
""" Detect faces from in an image """
logger.debug("Running Detection. Pass: '******'", extract_pass)
if self.is_parallel or extract_pass == "align":
out_queue = queue_manager.get_queue("align")
if not self.is_parallel and extract_pass == "detect":
out_queue = queue_manager.get_queue("detect")
while True:
try:
faces = out_queue.get(True, 1)
if faces == "EOF":
break
if isinstance(faces, dict) and faces.get("exception"):
pid = faces["exception"][0]
t_back = faces["exception"][1].getvalue()
err = "Error in child process {}. {}".format(pid, t_back)
raise Exception(err)
except QueueEmpty:
continue
yield faces
logger.debug("Detection Complete")
