[FFmpeg-devel] [PATCh] aac parser: Don't write channels, sample rate, and frame size each frame

[Michael Niedermayer]

On Mon, Mar 01, 2010 at 08:31:42PM -0500, Alex Converse wrote:
> On Mon, Mar 1, 2010 at 8:23 PM, Michael Niedermayer <michaelni at gmx.at>wrote:
> 
> > On Mon, Mar 01, 2010 at 08:16:48PM -0500, Alex Converse wrote:
> > > They are part of the invariant header and shouldn't change each frame
> > > anyway. This prevents them from overwriting information provided by
> > > backwards compatible extensions.
> >
> > what you attached does not match the description
> >
> > besides "shouldn't change" gives me a strange feeling ...
> > if we can support it changing it would be a nice "wish/feature request"
> >
> 
> According to the AAC specification they changing these vales from frame to
> frame is forbidden. They are part of the fixed header.

these are written in every spec, it seems not to stop the broadcast crowd
from switching channels and such between programs/commercials/... 

Also if ffmpeg doesnt support X and another application does support X
people switch applications instead of reporting bugs. (path of least
work ...).
Do other players support changing samplerate/channels in aac?

[...]
-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

There will always be a question for which you do not know the correct awnser.
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