[FFmpeg-user] MP4 AAC to ADTS

Carl Eugen Hoyos cehoyos at ag.or.at
Sat Mar 16 16:03:10 CET 2013

David Codesido López <david.codesido <at> gmail.com> writes:

> As I'm demuxing an MP4 my guess is that I need to add the 
> ADTS headers to the AAC audio packets.

This is what the adts muxer does, as in:
$ ffmpeg -i input.mp4 -acodec copy -f adts out
or (completely equivalent):
$ ffmpeg -i input.mp4 -acodec copy out.aac
Since it works with the command line interface, it is 
possible to achieve the same through the libraries 
(libavcodec and libavformat).

Carl Eugen

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