/rem

Audio and video processing media library

Primary LanguageC

librem README

librem is a Audio and video processing media library

Build

Features

  • Audio buffer
  • Audio sample format conversion
  • Audio file reader/writer
  • Audio mixer
  • Audio resampler
  • Audio tone generator
  • Audio codec (G.711)
  • DTMF decoder
  • Video mixer
  • Video pixel converter
  • FIR-filter

Building

librem is using GNU makefiles, and libre must be installed before building.

Build with default options

$ make
$ sudo make install
$ sudo ldconfig

License

The librem project is using the BSD license.

Contributing

Patches can sent via Github Pull-Requests

Modules

Audio Modules:

  name:     status:       description:

* aac       unstable      Advanced Audio Coding (AAC)
* au        testing       Base audio types
* aubuf     testing       Audio buffer
* auconv    unstable      Audio sample format conversion
* aufile    testing       Audio file reader/writer
* aumix     unstable      Audio mixer
* auresamp  unstable      Audio resampler
* autone    testing       Tone/DTMF generator
* dtmf      unstable      DTMF decoder
* g711      stable        G.711 audio codec




Video Modules:

  name:     status:       description:

* avc       unstable      Advanced Video Coding (AVC)
* h264      unstable      H.264 header parser
* vid       testing       Base video types
* vidconv   testing       Colorspace conversion and scaling
* vidmix    unstable      Video mixer




Generic modules:

* dsp       testing       DSP routines
* flv       unstable      Flash Video File Format
* fir       unstable      FIR (Finite Impulse Response) filter
* goertzel  unstable      Goertzel Algorithm

Specifications:

  • ITU-T G.711 Appendix I and Appendix II

Supported platforms

Same as libre

Related projects

References

https://github.com/baresip