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ck:media-processing

Process media with FFmpeg (video/audio), ImageMagick (images), RMBG (AI background removal). Use for encoding, format conversion, filters, thumbnails, batch processing, HLS/DASH streaming.

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manhvann/codexkit

查看安装方法

包含的文件（22）

SKILL.md2.7 KB
references/common-workflows.md2.8 KB
references/ffmpeg-encoding.md9.2 KB
references/ffmpeg-filters.md11.5 KB
references/ffmpeg-streaming.md9.3 KB
references/format-compatibility.md8.5 KB
references/imagemagick-batch.md11.9 KB
references/imagemagick-editing.md12.9 KB
references/rmbg-background-removal.md1.6 KB
references/troubleshooting.md2.7 KB
scripts/batch_resize.py10.0 KB
scripts/batch-remove-background.sh3.2 KB
scripts/media_convert.py8.2 KB
scripts/README.md2.5 KB
scripts/remove-background.sh2.4 KB
scripts/remove-bg-node.js4.1 KB
scripts/requirements.txt558 B
scripts/tests/requirements.txt32 B
scripts/tests/test_batch_resize.py10.7 KB
scripts/tests/test_media_convert.py7.7 KB
scripts/tests/test_video_optimize.py11.8 KB
scripts/video_optimize.py12.8 KB

SKILL.md（原文）

安装前可以查看交给 AI 代理的指令内容。

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

# 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

# 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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中文简介正在准备中。当前显示原文说明。