[x264-devel] Re: some problems of x264 decoder

Laurent Aimar fenrir at via.ecp.fr
Sun Jul 11 20:26:43 CEST 2004


On Sat, Jul 10, 2004, ?? ?? wrote:
> I am surprised that the h->mb is an variable of an struct type,but in x264 
> encoder it is used as an pointer type,and the x264 encoder can run 
> rightly.Is "mb = &h->mb[mb_xy];" pseudocode?I think so.
 The decoder has never worked, and is way outdated, its code won't
compil anymore.
 I have prefered to submit patch to ffmpeg and their decoder works
pretty well except no B frame support (and maybe no interlaced
cabac/calvc(?) support) and very slow.
 If you plan to work on a h264 decoder it would be really cool if you do
on the ffmpeg one :)
>     Thought I hear that the ffmpeg is strongthen,I have not used  and know 
> a little.
> I have several problems about H264 in libavcodec:
> 1.  Can its H264 decoder be taken out solely to use rightly?
 Why do you want to do that ?

> 2. I hear that this H264 decoder has a bug, I don't know what it is;
> thanks
 I think it has been fixed (it was a problem with block smaller than 8x8
and cabac).

-- 
fenrir

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