[FFmpeg-devel] [PATCH]Add Dirac support to ffmpeg via libdirac_* and Schroedinger libraries]

Michael Niedermayer michaelni
Mon Apr 21 16:44:31 CEST 2008


On Mon, Apr 21, 2008 at 09:16:19PM +1000, Anuradha Suraparaju wrote:
> 
> On Fri, 2008-04-18 at 15:23 +0200, Michael Niedermayer wrote:
> > On Thu, Apr 17, 2008 at 09:18:57PM +1000, Anuradha Suraparaju wrote:
> > > 
> > > On Thu, 2008-04-10 at 15:33 +0200, Michael Niedermayer wrote:
> > > > On Thu, Apr 10, 2008 at 05:56:21PM +1000, Anuradha Suraparaju wrote:
> > > > > 
> > > > > On Sat, 2008-04-05 at 01:44 +0200, Michael Niedermayer wrote:
> > > > > 
> > > > > > [...]
> > > > > > > diff --exclude=.svn -ruN ffmpegsvn_trunk/libavcodec/avcodec.h ffmpegsvn_trunk_dirac_schro/libavcodec/avcodec.h
> > > > > > > --- ffmpegsvn_trunk/libavcodec/avcodec.h	2008-04-01 09:14:03.000000000 +1000
> > > > > > > +++ ffmpegsvn_trunk_dirac_schro/libavcodec/avcodec.h	2008-04-01 09:15:43.000000000 +1000
> > > > > > > @@ -182,6 +182,8 @@
> > > > > > >      CODEC_ID_8SVX_EXP,
> > > > > > >      CODEC_ID_8SVX_FIB,
> > > > > > >      CODEC_ID_ESCAPE124,
> > > > > > > +    CODEC_ID_SCHRO = 0xFFFE,
> > > > > > > +    CODEC_ID_DIRAC = 0xFFFF,
> > > > > > 
> > > > > > There should only be 1 codec_id and it should not have such a funny number.
> > > > > > Also spliting dirac/schroedinger/common demuxer/parser/decoder/encoder in
> > > > > > seperate patches would simplify review and likely reduce the number of
> > > > > > review-patch-resend iteration needed to get the stuff in svn.
> > > > > > 
> > > > > > 
> > > > > 
> > > > > I've attached the dirac patch to this email. It does not include
> > > > > dirac_parser.c as the GSoC code can be used without any changes. I've
> > > > > created the patch using the latest svn revision 12780. I'll be mailing
> > > > > the rest of the patches as soon as possible. 
> > > > [...]
> > > 
> > > I've attached a patch of files common to the libdirac and
> > > libschroedinger.
> > 
> > [...]
> > > +void ff_dirac_schro_queue_free (FfmpegDiracSchroQueue *queue,
> > > +                                void (*free_func)(void *))
> > > +{
> > > +    while (queue->p_head) {
> > > +        FfmpegDiracSchroQueueElement *top = queue->p_head;
> > > +        queue->p_head = queue->p_head->next;
> > > +        free_func(top->data);
> > > +        av_freep(&top);
> > > +    }
> > 
> > following is simpler
> > 
> > while (queue->p_head)
> >     free_func( ff_dirac_schro_queue_pop(queue) );
> > 
> > except that the patch looks ok
> > 
> > [...]
> 
> New patch attached with this fix.

looks ok

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

While the State exists there can be no freedom; when there is freedom there
will be no State. -- Vladimir Lenin
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