SplitVideo.py 文件源码

def cut_video(input_file: str, output_file: str, start_time: str, end_time: str, is_concat: bool = True):
    """
    ????
    :param input_file: ????
    :param output_file: ????
    :param start_time: ????
    :param end_time: ????
    :param is_concat: ?????Virtual Concatenation Script
    :return:
    """
    ffmpeg_command = ['ffmpeg', '-y']
    if is_concat:
        ffmpeg_command.extend(['-protocol_whitelist', 'file,pipe',
                               '-safe', '0',
                               '-f', 'concat',
                               '-i', '-'])
    else:
        ffmpeg_command.extend(['-i', input_file])
    ffmpeg_command.extend(['-ss', start_time,
                           '-to', end_time,
                           '-c', 'copy',
                           output_file])
    child = subprocess.Popen(ffmpeg_command, stdin=subprocess.PIPE, stderr=subprocess.DEVNULL)
    child.communicate(input_file if is_concat else None)