media
Media processing = ffmpeg + imagemagick + sox.
Atomic Skills
| Skill | Domain |
|---|---|
| ffmpeg | Video/audio |
| imagemagick | Images |
| sox | Audio |
Video
# Convert
ffmpeg -i in.mov -c:v libx264 out.mp4
# Resize
ffmpeg -i in.mp4 -vf scale=1280:-1 out.mp4
# GIF
ffmpeg -i in.mp4 -vf "fps=10,scale=320:-1" out.gif
Audio
# Extract
ffmpeg -i video.mp4 -vn -c:a aac audio.m4a
# Convert
sox in.wav -r 44100 out.wav
Image
# Resize
convert in.png -resize 800x600 out.png
# Format
convert in.png out.jpg
Pipeline
ffmpeg -i in.mp4 -f image2pipe - | convert - -resize 50% out.gif