(_)
The main fonction use skvideo to extract frames as jpg.

  It can do it from a part or the totality of the video.

  Args:
    Nothing
The main fonction use skvideo to extract frames as jpg.
The main fonction use skvideo to extract frames as jpg .
def main(_):
  """The main fonction use skvideo to extract frames as jpg.

  It can do it from a part or the totality of the video.

  Args:
    Nothing
  """
  print('argument to expand', ARGS.video_in)
  print('argument expanded', glob.glob(ARGS.video_in))
  video_count = 0
  for video_filename in glob.glob(ARGS.video_in):
    print('start parsing', video_filename)
    data = skvideo.io.ffprobe(video_filename)['video']
    rate_str = six.ensure_str(data['@r_frame_rate']).split('/')
    rate = float(rate_str[0]) / float(rate_str[1])
    print('detected frame rate:', rate)

    print('load frames:')
    video = skvideo.io.vreader(video_filename)
    frame_count = 0
    file_count = 0
    for frame in video:
      if (frame_count > ARGS.offset) and \
         ((frame_count-ARGS.offset)%ARGS.skip == 0) and \
         (frame_count/rate >= ARGS.from_s) and \
         (frame_count/rate <= ARGS.to_s or ARGS.to_s == -1):
        print(frame_count,)
        img = Image.fromarray(frame)
        if ARGS.crop:
          img = crop(img, ARGS.size)
        # save file
        file_number = file_count + video_count * ARGS.multiple + ARGS.start
        if ARGS.format_ext.lower() == 'jpg':
          file_out = os.path.join(ARGS.path_out,
                                  'f{:07d}.jpg'.format(file_number))
          img.save(file_out, 'JPEG')
        elif ARGS.format_ext.lower() == 'png':
          file_out = os.path.join(ARGS.path_out,
                                  'f{:07d}.png'.format(file_number))
          img.save(file_out, 'PNG')
        else:
          print('unrecognize format', ARGS.format_ext)
          sys.exit()
        file_count += 1
      frame_count += 1
    video_count += 1
def main ( _ ) : print ( 'argument to expand' , ARGS . video_in ) print ( 'argument expanded' , glob . glob ( ARGS . video_in ) ) video_count = 0 for video_filename in glob . glob ( ARGS . video_in ) : print ( 'start parsing' , video_filename ) data = skvideo . io . ffprobe ( video_filename ) [ 'video' ] rate_str = six . ensure_str ( data [ '@r_frame_rate' ] ) . split ( '/' ) rate = float ( rate_str [ 0 ] ) / float ( rate_str [ 1 ] ) print ( 'detected frame rate:' , rate ) print ( 'load frames:' ) video = skvideo . io . vreader ( video_filename ) frame_count = 0 file_count = 0 for frame in video : if ( frame_count > ARGS . offset ) and ( ( frame_count - ARGS . offset ) % ARGS . skip == 0 ) and ( frame_count / rate >= ARGS . from_s ) and ( frame_count / rate <= ARGS . to_s or ARGS . to_s == - 1 ) : print ( frame_count , ) img = Image . fromarray ( frame ) if ARGS . crop : img = crop ( img , ARGS . size ) # save file file_number = file_count + video_count * ARGS . multiple + ARGS . start if ARGS . format_ext . lower ( ) == 'jpg' : file_out = os . path . join ( ARGS . path_out , 'f{:07d}.jpg' . format ( file_number ) ) img . save ( file_out , 'JPEG' ) elif ARGS . format_ext . lower ( ) == 'png' : file_out = os . path . join ( ARGS . path_out , 'f{:07d}.png' . format ( file_number ) ) img . save ( file_out , 'PNG' ) else : print ( 'unrecognize format' , ARGS . format_ext ) sys . exit ( ) file_count += 1 frame_count += 1 video_count += 1