[Ffmpeg-cvslog] r6213 - in trunk: Changelog MAINTAINERS doc/ffmpeg-doc.texi libavcodec/Makefile libavcodec/allcodecs.c libavcodec/avcodec.h libavcodec/vp5.c libavcodec/vp56.c libavcodec/vp56.h libavcodec/vp56data.c libavcodec/vp56data.h libavcodec/vp5data.h libavcodec/vp6.c libavcodec/vp6data.h libavformat/flvdec.c libavformat/nsvdec.c libavformat/riff.c libavformat/swf.c

Måns Rullgård mru
Thu Sep 14 01:09:47 CEST 2006


Aurelien Jacobs <aurel at gnuage.org> writes:

> On Wed, 13 Sep 2006 23:54:00 +0100
> M?ns Rullg?rd <mru at inprovide.com> wrote:
>
>> Baptiste Coudurier <baptiste.coudurier at smartjog.com> writes:
>> 
>> > Baptiste Coudurier wrote:
>> >>>>> [...]
>> >>>>>    
>> >>>>>
>> >>>> Is defining a new codec id the only way to identify VP6 in flash ? It
>> >>>> seems it uses the same function to decode. Why not using CODEC_ID_VP6 ?
>> >>>>
>> >>>>  
>> >>>>
>> >>> The there is a horizontally flipped relation between them. And there
>> >>> isn't a clean way of joining them to one codec id so the simplest
>> >>> solution is to use 2 id's.
>> >>>
>> >>> MvH
>> >>> Benjamin Larsson
>> >>>
>> >> 
>> >> Humm, it seems this issue has been discussed already. What was decided ?
>> >> I can't get if it was decided to use a new codec id or not.
>> >> 
>> >> Personnaly I don't like that VP6F codec id. I would be more in favor of
>> >> setting a field or sub id or a flag in avctx, or maybe put those 2 bytes
>> >> from the flv in extradata or something to identify it.
>> >> 
>> >> What do you guys think ?
>> >> 
>> >
>> > Nobody cares ? Oh well...
>> 
>> I do.  If it is the same codec, it should use the same ID.  What was
>> the difference again?
>
> One is vertically flipped, the other is not.
> And there is nothing in the codec bitstream to detect if it is flipped.

Time for a new flag, perhaps.

-- 
M?ns Rullg?rd
mru at inprovide.com




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