def __call__(self, max_n_frames=None):
while self._vc.isOpened() and self._frame_counter < max_n_frames:
return_value, frame = self._vc.read()
timestamp = utime.get_epoch()
if return_value:
logger.debug("Captured frame at {0}.".format(utime.epoch_to_string(timestamp)))
yield timestamp, frame
self._frame_counter += 1
else:
logger.debug("Got return value: {0}!".format(return_value))
raise StopIteration()
def __call__(self, max_n_frames=None):
while self._vc.isOpened() and self._frame_counter < max_n_frames:
return_value, frame = self._vc.read()
timestamp = utime.get_epoch()
if return_value:
logger.debug("Captured frame at {0}.".format(
utime.epoch_to_string(timestamp)))
yield timestamp, frame
self._frame_counter += 1
else:
logger.debug("Got return value: {0}!".format(return_value))
raise StopIteration()
def main(number_of_frames_to_save):
with FrameSaver() as fs:
with WebcameraProvider() as wcp:
for timestamp, frame in wcp(number_of_frames_to_save):
fs(frame, suffix=utime.epoch_to_string(timestamp))
