Vibe Index
🎯

media-processing

🎯Skill

from hotriluan/alkana-dashboard

VibeIndex|
What it does

Processes media files using FFmpeg, ImageMagick, and RMBG for encoding, conversion, resizing, background removal, and batch transformations.

πŸ“¦

Part of

hotriluan/alkana-dashboard(7 items)

media-processing

Installation

npm installInstall npm package
npm install -g rmbg-cli
πŸ“– Extracted from docs: hotriluan/alkana-dashboard
Need more details? View full documentation on GitHub β†’
1Installs
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AddedFeb 4, 2026
View on GitHubBack to Skills

Skill Details

SKILL.md

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

Overview

# 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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