major | minor | patch |
---|---|---|
1 | 2 | 3 |
major: incompatible API changes
## extract audio from .avi as .aac (conversion from another audio codec) | |
ffmpeg -i foo.avi -acodec aac -ab 128k -strict experimental bar.aac | |
## extract audio from .avi as .mp3 (no conversion, just copy) | |
ffmpeg -i foo.avi -acodec copy bar.mp3 | |
## convert .mp3 to .aac | |
ffmpeg -i foo.mp3 -acodec aac -ab 128k -strict experimental bar.aac | |
## extract single frame as image from .mp4 |