libswresample - Man Page

audio resampling library


The libswresample library performs highly optimized audio resampling, rematrixing and sample format conversion operations.

Specifically, this library performs the following conversions:

Various other audio conversions (e.g. stretching and padding) are enabled through dedicated options.

See Also

ffmpeg(1), ffplay(1), ffprobe(1), ffmpeg-resampler(1), libavutil(3)


The FFmpeg developers.

For details about the authorship, see the Git history of the project (, e.g. by typing the command git log in the FFmpeg source directory, or browsing the online repository at <>.

Maintainers for the specific components are listed in the file MAINTAINERS in the source code tree.

Referenced By

ffmpeg-resampler(1), libavfilter(3).