Skill

ffmpeg-cli

From sundial-org-awesome-openclaw-skills-4

Provides bash scripts for FFmpeg CLI to handle video/audio tasks: transcoding, cutting/merging clips, audio extraction, thumbnails/GIFs, scaling, watermarks, speed adjustment, color filters.

Bash

cli-tools

Install

npx claudepluginhub joshuarweaver/cascade-ai-ml-agents-misc-2 --plugin sundial-org-awesome-openclaw-skills-4

Tool Access

This skill uses the workspace's default tool permissions.

Preview

| Task | Command |

Supporting Assets

scripts/convert.shscripts/cut.shscripts/extract-audio.shscripts/gif.shscripts/merge.shscripts/speed.shscripts/thumb.shscripts/watermark.sh

SKILL.md

Similar Skills

cache-components

Guides Next.js Cache Components and Partial Prerendering (PPR) with cacheComponents enabled. Implements 'use cache', cacheLife(), cacheTag(), revalidateTag(), static/dynamic optimization, and cache debugging.

cache-components

139.2k

mcp-builder

9 files

Guides building MCP servers enabling LLMs to interact with external services via tools. Covers best practices, TypeScript/Node (MCP SDK), Python (FastMCP).

anthropics-skills-13

124.2k

canvas-design

20 files

Generates original PNG/PDF visual art via design philosophy manifestos for posters, graphics, and static designs on user request.

anthropics-skills-13

124.2k

Stats

Stars586

Forks75

Last CommitFeb 1, 2026

Actions

View Source View Plugin View on GitHub View README

FFmpeg CLI

Quick Reference

Task	Command
Cut video	`{baseDir}/scripts/cut.sh -i <input> -s <start> -e <end> -o <output>`
Merge clips	`{baseDir}/scripts/merge.sh -o <output> <file1> <file2> ...`
Extract audio	`{baseDir}/scripts/extract-audio.sh -i <video> -o <output.mp3>`
Generate thumbnail	`{baseDir}/scripts/thumb.sh -i <video> -t <timestamp> -o <out.jpg>`
Create GIF	`{baseDir}/scripts/gif.sh -i <video> -s <start> -e <end> -o <out.gif>`
Convert format	`{baseDir}/scripts/convert.sh -i <input> -o <output.mp4>`
Change speed	`{baseDir}/scripts/speed.sh -i <input> -r <0.5-2.0> -o <output>`
Add watermark	`{baseDir}/scripts/watermark.sh -i <video> -w <image> -o <output>`

Scripts

cut.sh - Cut video segment

{baseDir}/scripts/cut.sh -i video.mp4 -s 00:01:30 -e 00:02:45 -o clip.mp4

merge.sh - Concatenate videos

{baseDir}/scripts/merge.sh -o merged.mp4 part1.mp4 part2.mp4 part3.mp4

extract-audio.sh - Pull audio track

{baseDir}/scripts/extract-audio.sh -i video.mp4 -o audio.mp3

thumb.sh - Extract frame as image

{baseDir}/scripts/thumb.sh -i video.mp4 -t 00:00:15 -o frame.jpg

gif.sh - Convert clip to GIF

{baseDir}/scripts/gif.sh -i video.mp4 -s 00:00:10 -e 00:00:15 -o clip.gif

convert.sh - Transcode to new format

{baseDir}/scripts/convert.sh -i input.avi -o output.mp4

speed.sh - Adjust playback speed

{baseDir}/scripts/speed.sh -i video.mp4 -r 2.0 -o fast.mp4  # 2x speed
{baseDir}/scripts/speed.sh -i video.mp4 -r 0.5 -o slow.mp4  # 0.5x speed

watermark.sh - Overlay image watermark

{baseDir}/scripts/watermark.sh -i video.mp4 -w logo.png -o output.mp4

Notes

All scripts support common video formats (mp4, avi, mov, mkv, webm, etc.)
Output quality is optimized for balanced file size and clarity
Use -h or no args to see script usage