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media-processing

Process multimedia files with FFmpeg (video/audio encoding, conversion, streaming, filtering, hardware acceleration), ImageMagick (image manipulation, format conversion, batch processing, effects, composition), and RMBG (AI-powered background removal). Use when converting media formats, encoding videos with specific codecs (H.264, H.265, VP9), resizing/cropping images, removing backgrounds from images, extracting audio from video, applying filters and effects, optimizing file sizes, creating streaming manifests (HLS/DASH), generating thumbnails, batch processing images, creating composite images, or implementing media processing pipelines. Supports 100+ formats, hardware acceleration (NVENC, QSV), and complex filtergraphs.

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ynulihao/AgentSkillOS
Last source activity
January 25, 2026 at 16:59
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SKILL.md
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name
media-processing
description
Process multimedia files with FFmpeg (video/audio encoding, conversion, streaming, filtering, hardware acceleration), ImageMagick (image manipulation, format conversion, batch processing, effects, composition), and RMBG (AI-powered background removal). Use when converting media formats, encoding videos with specific codecs (H.264, H.265, VP9), resizing/cropping images, removing backgrounds from images, extracting audio from video, applying filters and effects, optimizing file sizes, creating streaming manifests (HLS/DASH), generating thumbnails, batch processing images, creating composite images, or implementing media processing pipelines. Supports 100+ formats, hardware acceleration (NVENC, QSV), and complex filtergraphs.
license
MIT
# Media Processing Skill Process video, audio, and images using FFmpeg, ImageMagick, and RMBG CLI tools. ## Tool Selection | Task | Tool | Reason | |------|------|--------| | Video encoding/conversion | FFmpeg | Native codec support, streaming | | Audio extraction/conversion | FFmpeg | Direct stream manipulation | | Image resize/effects | ImageMagick | Optimized for still images | | Background removal | RMBG | AI-powered, local processing | | Batch images | ImageMagick | mogrify for in-place edits | | Video thumbnails | FFmpeg | Frame extraction built-in | | GIF creation | FFmpeg/ImageMagick | FFmpeg for video, ImageMagick for images | ## Installation ```bash # macOS brew install ffmpeg imagemagick npm install -g rmbg-cli # Ubuntu/Debian sudo apt-get install ffmpeg imagemagick npm install -g rmbg-cli # Verify ffmpeg -version && magick -version && rmbg --version ``` ## Essential Commands ```bash # Video: Convert/re-encode ffmpeg -i input.mkv -c copy output.mp4 ffmpeg -i input.avi -c:v libx264 -crf 22 -c:a aac output.mp4 # Video: Extract audio ffmpeg -i video.mp4 -vn -c:a copy audio.m4a # Image: Convert/resize magick input.png output.jpg magick input.jpg -resize 800x600 output.jpg # Image: Batch resize mogrify -resize 800x -quality 85 *.jpg # Background removal rmbg input.jpg # Basic (modnet) rmbg input.jpg -m briaai -o output.png # High quality rmbg input.jpg -m u2netp -o output.png # Fast ``` ## Key Parameters **FFmpeg:** - `-c:v libx264` - H.264 codec - `-crf 22` - Quality (0-51, lower=better) - `-preset slow` - Speed/compression balance - `-c:a aac` - Audio codec **ImageMagick:** - `800x600` - Fit within (maintains aspect) - `800x600^` - Fill (may crop) - `-quality 85` - JPEG quality - `-strip` - Remove metadata **RMBG:** - `-m briaai` - High quality model - `-m u2netp` - Fast model - `-r 4096` - Max resolution ## References Detailed guides in `references/`: - `ffmpeg-encoding.md` - Codecs, quality, hardware acceleration - `ffmpeg-streaming.md` - HLS/DASH, live streaming - `ffmpeg-filters.md` - Filters, complex filtergraphs - `imagemagick-editing.md` - Effects, transformations - `imagemagick-batch.md` - Batch processing, parallel ops - `rmbg-background-removal.md` - AI models, CLI usage - `common-workflows.md` - Video optimization, responsive images, GIF creation - `troubleshooting.md` - Error fixes, performance tips - `format-compatibility.md` - Format support, codec recommendations
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