ReddRadar
Agent skill
videocut:剪辑
执行视频剪辑。根据确认的删除任务执行FFmpeg剪辑。触发词：执行剪辑、开始剪、确认剪辑
Install this agent skill to your Project
npx add-skill https://github.com/majiayu000/claude-skill-registry/tree/main/skills/data/unknown-ceeon-videocut-skills-905ee47c
SKILL.md
剪辑
用户在审核网页一次性确认好 → 执行剪辑 → 完成
快速使用
用户: 确认，执行剪辑
用户: 全删
用户: 保留静音3和5，其他都删
前置条件
需要先执行 /videocut:剪口播v2 生成删除任务 TodoList
流程
前置：用户在审核网页（/videocut:剪口播v2）一次性确认所有删除
↓
1. 读取 delete_segments.json（网页导出）
↓
2. 计算保留时间段
↓
3. 生成 FFmpeg filter_complex
↓
4. 执行剪辑
↓
5. 完成
核心原则：所有审核在前置阶段完成，剪辑阶段只执行，不再循环。
进度 TodoList
启动时创建：
- [ ] 读取 delete_segments.json
- [ ] 计算保留时间段
- [ ] 执行 FFmpeg 剪辑
- [ ] 验证输出视频
一、读取删除任务
从审核网页导出的 delete_segments.json 读取：
[
{"start": 0, "end": 20.2},
{"start": 29.06, "end": 36.4}
]
直接使用时间戳，网页已确保精确边界。
二、FFmpeg 命令
必须用 filter_complex + trim，不能用 concat demuxer（口播片段多且短，必须帧级别精确）。
ffmpeg -y -i "file:input.mp4" \
-filter_complex "$FILTER" \
-map "[outv]" -map "[outa]" \
-c:v libx264 -preset fast -crf 18 \
-c:a aac -b:a 192k \
"file:output.mp4"
filter_complex 格式
[0:v]trim=start=0:end=1.36,setpts=PTS-STARTPTS[v0];
[0:a]atrim=start=0:end=1.36,asetpts=PTS-STARTPTS[a0];
[0:v]trim=start=2.54:end=10.5,setpts=PTS-STARTPTS[v1];
[0:a]atrim=start=2.54:end=10.5,asetpts=PTS-STARTPTS[a1];
...
[v0][v1]...concat=n=N:v=1:a=0[outv];
[a0][a1]...concat=n=N:v=0:a=1[outa]
注意：文件名含冒号需加 file: 前缀。
三、输出文件
output.mp4 # 剪辑后视频
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