ffmpeg

Media processing (10 man pages).

Convert

ffmpeg -i input.mov -c:v libx264 output.mp4
ffmpeg -i input.mp4 -c:v libvpx-vp9 output.webm

Audio

ffmpeg -i video.mp4 -vn -c:a aac audio.m4a
ffmpeg -i input.mp3 -ar 44100 output.wav

Resize

ffmpeg -i input.mp4 -vf scale=1280:720 output.mp4
ffmpeg -i input.mp4 -vf scale=-1:480 output.mp4

GIF

ffmpeg -i input.mp4 -vf "fps=10,scale=320:-1" output.gif

Concat

ffmpeg -f concat -i list.txt -c copy output.mp4

Capture

ffmpeg -f avfoundation -i "1" -t 10 capture.mp4

Stream

ffmpeg -i input.mp4 -f mpegts - | mpv -

Scientific Skill Interleaving

This skill connects to the K-Dense-AI/claude-scientific-skills ecosystem:

Graph Theory

• networkx [○] via bicomodule
  • Universal graph hub

Bibliography References

• general: 734 citations in bib.duckdb

Cat# Integration

This skill maps to Cat# = Comod(P) as a bicomodule in the equipment structure:

Trit: 0 (ERGODIC)
Home: Prof
Poly Op: ⊗
Kan Role: Adj
Color: #26D826

GF(3) Naturality

The skill participates in triads satisfying:

(-1) + (0) + (+1) ≡ 0 (mod 3)

This ensures compositional coherence in the Cat# equipment structure.