[Ffmpeg-devel] [BUG] Snow chroma bug

Michael Niedermayer michaelni
Mon Aug 1 23:35:08 CEST 2005


On Monday 01 August 2005 13:25, matthieu castet wrote:
> Robert Swain wrote:
> > Hello everyone,
> >
> > I'm not sure if this is related to the ongoing 'strange' chroma
> > fluctuation I've noticed ever since I started looking at Snow (similar
> > problems were experienced in a Windows based wavelett codec called
> > Rududu which has since ceased development as far as I can tell) but in
> > the clip I've uploaded the problems are more serious.
> which version do you use ?
> I have snow.c:2508: add_yblock_buffered: Assertion `src_stride >
> 7*(1<<4)' failed. when trying to play it.

this is likely the reason why it doesnt work (stride/width is too small for a 
ugly hack in the code, its trivial to fix but not so trivial if the fix 
should be clean & without slowdown)


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