AgentSkillsCN

concat-mp4

使用 ffmpeg 流复制将多个 MP4 文件按顺序拼接成一个 MP4。

SKILL.md
--- frontmatter
name: concat-mp4
description: Concatenate multiple MP4 files in order into a single MP4 using ffmpeg stream copy.
dependencies:
  - python>=3.11
  - ffmpeg (cli tool)

Concatenate MP4 Files

Join several .mp4 files in sequence without re-encoding (ffmpeg concat demuxer).

Run

bash
.venv/Scripts/python .claude/skills/concat_videos/scripts/concat_videos.py "output.mp4" "clip1.mp4" "clip2.mp4" "clip3.mp4"

Parameters

  • •Required: output (destination mp4), inputs (>=2 mp4 files, ordered)
  • •Optional: none

Example

bash
.venv/Scripts/python .claude/skills/concat_videos/scripts/concat_videos.py "./out/combined.mp4" "./out/part1.mp4" "./out/part2.mp4"