Python实现视频剪辑的示例详解

#!/usr/bin/env python
# -*- coding: utf-8 -*-
# @Time    : 2024-04-15 13:29
# @Author  : Jack

"""
pip install ffmpeg-python
"""

import ffmpeg


def cut_video(video_path=r'F:\11\5.mkv'):
    video_path = video_path.replace('\\', '/')
    output_file = f"{video_path.rsplit('/', 1)[0]}/output.mkv"

    start_time = '00:00:00'
    end_time = '00:52:10'

    input_stream = ffmpeg.input(video_path, ss=start_time)
    output_stream = ffmpeg.output(input_stream, output_file, to=end_time)
    ffmpeg.run(output_stream)

    print('视频分割完成')


if __name__ == '__main__':
    cut_video()

# 正确的命令行
ffmpeg -i 5.mkv -ss 00:00:00 -to 00:01:00 -map 0:v:0 -map 0:a:0 -map 0:s -c:v copy -c:a:0 copy -c:s copy output.mkv
ffmpeg -i 5.mkv -ss 00:00:00 -to 00:01:00 -map 0:v:0 -map 0:a:0 -map 0:s:0 -map 0:s:1 -map 0:s:2 -c:v copy -c:a:0 copy -c:s:0 copy -c:s:1 copy -c:s:2 copy output.mkv

# 获取当前视频码率
ffprobe -v error -show_entries format=bit_rate -of default=noprint_wrappers=1:nokey=1 5.mkv

# 输出 11873582 ==> 11,873,582/1,000,000 = 11.873582 Mbps

ffmpeg -i 5.mkv -b:v 10M output.mkv