[Ffmpeg-devel] [PATCH] DVB AC-3 support in mpegts.c

Michael Niedermayer michaelni
Thu Mar 30 15:56:52 CEST 2006


Hi

On Wed, Mar 15, 2006 at 10:30:42AM -0000, Wolfram Gloger wrote:
> > Nico Sabbi wrote:
> > 
> > > Andy Brown wrote:
> > >
> > >> This patch simply adds demuxing support for AC-3 streams in DVB TS 
> > >> files.  In
> > >> these streams AC-3 is given type 0x06 (private stream) and includes a
> > >> descriptor with either tag 0x6A or 0x7A.  The code already handles 
> > >> ATSC AC-3
> ...
> > > I knew of 0x6a, but where is 0x71 defined? I don't remember I ever 
> > > read it in
> > > recent specifications published by ETSI
> > >
> > sorry, I meant 0x7a, not 0x71
> 
> Googling quickly gave:
> 
> http://webapp.etsi.org/action/OP/OP20060428/en_300468v010701o.pdf
> 
> and that lists 0x7a as "enhanced AC-3 descriptor".
> 
> Could we as a first step please add the currently hardcoded values to
> mpegts.h, such as in the following patch?

mpeg ts maintainer? apply/reject/comment please or did i miss a rejection?

[...]
-- 
Michael





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