gistfile1.txt

def video2frames(video_id, video_path, processed_videos_dir, frame_path, sample_rate):
    """
    Execute shell command which calls ffmpeg to split video into frames.
    Parameters
    ----------
    video_id : str
        The video id of a video
    video_path: str
        The directory storing the videos
    processed_video_path: str
        The directory storing videos that have been split.
    sample_rate: int
        The sample rate for splitting the video.
        
    """
    
    #concat path and video id
    path_video = video_path + video_id + '.mp4'
    video_duration = get_duration(path_video)
    
    # split only the main part of the video
    starting_time = 0.2 * video_duration
    split_duration = 0.6 * video_duration
    
    try:
        #-loglevel panic: slience
        #-hwaccel vdpau: hardware acceleration with GPU
        # -ss starting time
        # -t duration
        cmd = f'ffmpeg -ss {starting_time} -t {split_duration} -i {path_video} -r {sample_rate} {frame_path}/{video_id}-%07d-{sample_rate}.png'.split(" ")
        subprocess.run(cmd)
        shutil.move(path_video, f"{processed_videos_dir}/{video_id}.mp4")
    except Exception as e:
        print(f'Failed to cut videos {video_id}: {e}')