mondain/libjitsi_and_aac.txt

## libjitsi_and_aac.txt
Jitsi AAC
Could not find FFmpeg decoder 0x15002

Advanced Audio Coding (AAC) is the successor format to MP3, and is defined in MPEG-4 part 3 (ISO/IEC 14496-3). It is often used within an MP4 container format; for music the .m4a extension is customarily used. The second-most common use is within MKV (Matroska) files because it has better support for embedded text-based soft subtitles than MP4. The examples in this guide will use the extensions MP4 and M4A.

FFmpeg can support four AAC-LC encoders (aac, libfaac, libfdk_aac, libvo_aacenc) and two AAC-HE encoders (libaacplus and libfdk_aac). The licenses of libaacplus, libfaac, and libfdk_aac are not compatible with the GPL, so the GPL does not permit distribution of binaries containing code licensed under these licenses when GPL-licensed code is also included. Therefore these encoders have been designated as "non-free", and you cannot download a pre-built ffmpeg that supports them.

FFMpeg links
http://www.thingsiuse.org/2014/06/building-ffmpeg-for-h264-and-aac.html
https://trac.ffmpeg.org/wiki/CompilationGuide/Ubuntu
https://trac.ffmpeg.org/wiki/Encode/AAC
	Jitsi AAC
	Could not find FFmpeg decoder 0x15002

	Advanced Audio Coding (AAC) is the successor format to MP3, and is defined in MPEG-4 part 3 (ISO/IEC 14496-3). It is often used within an MP4 container format; for music the .m4a extension is customarily used. The second-most common use is within MKV (Matroska) files because it has better support for embedded text-based soft subtitles than MP4. The examples in this guide will use the extensions MP4 and M4A.

	FFmpeg can support four AAC-LC encoders (aac, libfaac, libfdk_aac, libvo_aacenc) and two AAC-HE encoders (libaacplus and libfdk_aac). The licenses of libaacplus, libfaac, and libfdk_aac are not compatible with the GPL, so the GPL does not permit distribution of binaries containing code licensed under these licenses when GPL-licensed code is also included. Therefore these encoders have been designated as "non-free", and you cannot download a pre-built ffmpeg that supports them.

	FFMpeg links
	http://www.thingsiuse.org/2014/06/building-ffmpeg-for-h264-and-aac.html
	https://trac.ffmpeg.org/wiki/CompilationGuide/Ubuntu
	https://trac.ffmpeg.org/wiki/Encode/AAC