notes/cmd/ffmpeg.md

• disassemble into frames ffmpeg -i lcd.mp4 frames/frame%04d.jpg
• assemble from frames ffmpeg -i frames_out/frame%04d.jpg -r 29.97 lcd_out.mp4
• extract audio ffmpeg -i lcd.mkv -vn -acodec copy lcd.mp4
• merge audio and video ffmpeg -i lcd_out.mp4 -i lcd.mp4 -acodec copy out.mp4