FFmpeg CLI reference for video and audio processing, format conversion, filtering, and media automation. Use when converting video formats, resizing or cropping video, trimming by time, replacing or extracting audio, mixing audio tracks, overlaying text or images, burning subtitles, creating GIFs, generating thumbnails, building slideshows, changing playback speed, encoding with H264/H265/VP9, setting CRF/bitrate, using GPU acceleration, creating storyboards, or running ffprobe. Covers filter_complex, stream selectors, -map, -c copy, seeking, scale, pad, crop, concat, drawtext, zoompan, xfade. Do NOT use for image-only processing (use ImageMagick), live-streaming server setup (use OBS/nginx-rtmp), or NLE-style timeline editing (use a video editor).
How to install ffmpeg-cli?
henkisdabro/wookstar-claude-plugins/ffmpeg-cli
$npx -y skills add henkisdabro/wookstar-claude-plugins --skill ffmpeg-cliInstalls into the current project.
›Prefer a prompt? Paste this to your agent
Run `npx skills use "https://github.com/henkisdabro/wookstar-claude-plugins" --skill "henkisdabro/wookstar-claude-plugins/ffmpeg-cli"` and follow the generated skill instructions now. Read its complete output, redirecting it to a temporary file first if necessary. Resolve relative paths from the supporting-files directory it provides.
Use the skills in "https://github.com/henkisdabro/wookstar-claude-plugins" that are relevant to the current task. Run `npx skills add "https://github.com/henkisdabro/wookstar-claude-plugins"` and select the relevant skills, then follow their instructions.
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