[FFmpeg-devel] GoC 2008 and H264 SVC decoder

[Michael Niedermayer]

On Mon, Mar 24, 2008 at 07:24:33PM +0100, Reimar D?ffinger wrote:
> On Mon, Mar 24, 2008 at 03:07:18PM +0100, Michael Niedermayer wrote:
> > On Mon, Mar 24, 2008 at 03:37:01PM +0200, Robert Marston wrote:
> > > Michael Niedermayer wrote:
> > > > On Mon, Mar 24, 2008 at 01:32:40PM +0200, Robert Marston wrote:
> > > >   
> > > >> Hi all
> > > >>
> > > >> I was wondering if it were possible to add a qualification task for an 
> > > >> H.264 SVC decoder for the FFMPEG project. This is something I am 
> > > >> interested in developing. I know Jakob Rieckh sent an email a while back 
> > > >> stating he was interested in doing this but from what I can tell he has 
> > > >> since changed his mind about the project.
> > > >>     
> > > >
> > > > We have plenty of bugs in H.264 which need fixing (see roundup, the
> > > > mailinglist and just ask here). Also we still need a AVParser for h.264 which
> > > > fixes up all timestamps exactly and correctly from H.222 input.
> > > > I think these things could be a qualification task.
> > > >
> > > >
> > > >   
> > > 
> > > Would implementing the AVParser be useful 
> > 
> > Well strictly we have a AVParser for h.264 it just doesnt fix the timestamps.
> > And yes it would be usefull, h264 in mpeg-ps/ts needs it, currently it
> > produces random timestamps from the user apps point of view though
> 
> We do not have an AVParser for the format used in mov though, and if I
> understand the issue with
> http://samples.mplayerhq.hu/V-codecs/h264/PAFF/Cam_PAL_D1_inter_Field_25fps_2.5MBS.mp4
> correctly we would need one for that as well.
> I think this would be rather little effort, but not completely sure...

Iam not sure if a parser is the correct solution for this. That said i do not
know what IS the correct solution. But either way the decoder should be more
flexible and decode 2 fields in a single packet.

[...]

-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

I count him braver who overcomes his desires than him who conquers his
enemies for the hardest victory is over self. -- Aristotle
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