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FFmpeg
From dankwiki
Best by test. The original quasi-legal, hyperbroad, coldly efficient library for decoding, encoding, and munging digital media.
Build options
- --enable-gpl forces creation of GPL-only modules (including e.g. delogo). the resulting object is GPL-licensed.
- --enable-nvenc forces use of NVENC (requires nv-codec-headers)
Recipes
Remove audio
ffmpeg -i INPUT -vcodec copy -an OUTPUT
Extract N seconds starting at time T
ffmpeg -i INPUT -c copy -ss T -t N OUTPUT T can be either a seconds count, or a timestamp i.e. 01:00:20.
Combine input files
ffmpeg -f concat -safe 0 -i INPUT1 -i INPUT2 -c copy OUTPUT
