def load_frame(self, date: datetime):
logger.debug(self._frame_date)
logger.debug('Get frame to load')
date_file = ClassUtils.get_date_file(date)
# Check fist if date is in list
found = False
for frame_item in self._frame_info_list:
date_video = frame_item['date_video']
if date_video == date_file:
found = True
self._frame_date = date_file
self._frame_info = frame_item['frame_info']
break
if not found:
logger.debug('Loading file name')
logger.debug(date_file)
file_path = ClassUtils.load_path_by_date(date_file,
self._cam_number,
self._extension)
if not path.exists(file_path):
# Avoid exceptions - Video partial
print('Path does not exists {0}'.format(file_path))
frame_info = []
self._frame_info = frame_info
self._frame_date = date_file
if self._last_frame is None:
raise Exception('Fist video must exist!')
self._frame_info_list.append({
'date_video': date_file,
'frame_info': frame_info
})
else:
logger.debug('Loading video from path')
frame_info = ClassMjpegReader.process_video_mjpegx(file_path)
self._frame_info = frame_info
self._frame_date = date_file
logger.debug('Frame counter: {0}'.format(len(frame_info)))
# Must be true -> First frame to send -> Avoid exceptions
if self._last_frame is None:
self._last_frame = frame_info[0]
self._frame_info_list.append({
'date_video': date_file,
'frame_info': frame_info
})
return self._load_frame_by_date(date)
def add_frame(self, image, date_image, json_dict=None):
if isinstance(image, np.ndarray):
image_bin = image.tobytes()
else:
image_bin = image
date_file = ClassUtils.get_date_file(date_image)
if date_file != self.current_date_file:
self.save_data()
self.change_extension()
self.current_date_file = date_file
ticks = ClassUtils.datetime_to_ticks(date_image)
file_bytes = ClassUtils.get_bytes_file(ticks, image_bin, json_dict)
if len(self.buffer) + len(file_bytes) >= buffer_size:
self.save_data()
self.buffer += file_bytes
