[Ffmpeg-devel] Raw aac

Erik Slagter erik
Wed Feb 8 16:03:38 CET 2006

On Wed, 2006-02-08 at 14:54 +0000, M?ns Rullg?rd wrote:
> >> > IIRC gpac does understand ADTS, but as ffmpeg doesn't, that is not an
> >> > option for me for the moment.
> >>
> >> Now it does.
> >
> > Quick test: encoding works
> Yes, I tested that much before committing ;-)
> > Extracting AAC from mp4 to ADTS from a file encoded by ffmpeg-cvs from
> > about four months ago, gives invalid data, "file" says "data" and gpac
> > reports the sampling rate and other metadata wrong. Gpac extracts the
> > track from the mp4 itself fine, though.
> It figures.  The mp4 file contains raw aac, so the adts headers would have
> to be created.  I guess the aac outputformat could do this.
> > I'll have to check if this also happens with files encoded/muxed by a
> > recent ffmpeg cvs version.
> Don't waste your time on that.  It won't work.  Patches welcome, as always.

Okay, so you're basically saying: "raw" encoding works and demuxing
doesn't, right? It would be nice to have, but gpac can do it too, it's
not that a big deal. The encoding stuff is also very nice to have
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