media-processing

name	media-processing
description	Process multimedia files with FFmpeg and ImageMagick for encoding, conversion, and manipulation. Use when working with video, audio, or image processing pipelines.

Media Processing

Activate this skill when processing media files (video, audio, images).

When to Use

• Converting media formats
• Encoding video with specific codecs
• Extracting audio from video
• Resizing or cropping images
• Generating thumbnails
• Creating streaming manifests (HLS/DASH)
• Batch processing media files

FFmpeg Common Operations

# Convert format
ffmpeg -i input.mp4 -c:v libx264 -crf 23 output.mp4

# Extract audio
ffmpeg -i video.mp4 -vn -acodec libmp3lame audio.mp3

# Generate thumbnail
ffmpeg -i video.mp4 -ss 00:00:05 -frames:v 1 thumb.jpg

# HLS streaming
ffmpeg -i input.mp4 -codec: copy -start_number 0 -hls_time 10 -f hls output.m3u8

ImageMagick Common Operations

# Resize
convert input.jpg -resize 800x600 output.jpg

# Format conversion
convert input.png output.webp

# Batch processing
mogrify -resize 50% -format webp *.png

Rules

• Always specify output codec explicitly
• Use hardware acceleration when available
• Set quality parameters appropriate for use case
• Validate output files after processing
• Handle large files with streaming (avoid loading into memory)