[vlc-devel] [PATCH 1/3] ts demux: add support for dirac streamsvia registration_descriptor

Jonathan Rosser jonathan.rosser at gmail.com
Fri Jun 27 10:12:07 CEST 2008

Remi Denis-Courmont <rdenis <at> simphalempin.com> writes:

> On Fri, 27 Jun 2008 09:07:24 +0200, Antoine Cellerier
> <dionoea <at> videolan.org> wrote:
> > Just curious, is dirac in ts defined in any specification?
> > (Same thing for ogg)
> I was going to raise the same question, but looking at the ffmpeg-devel
> mailing list, the answer seems to be "no". You need to pay 2000$ to
> _request_ a new codec type, if I understand correctly.
> That being noted, I doubt anyone would ever use "drac" for anything except
> Dirac. I would be more afraid of the future hypothetical Dirac/TS standard
> being incompatible with what this patch does...

We (@ the BBC) have paid the SMPTE for the 'drac' codec type but it is taking
time for them to process. Our ffmpeg patches are not being accepted until the
SMPTE have got their act together :(

Registrations for 'drac' are also pending for ISO and QuickTime via http://mp4ra.org

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