[MPlayer-users] Re: [Ffmpeg-devel] svq3 decoding broken, sig11
D Richard Felker III
dalias at aerifal.cx
Sun Nov 2 05:05:53 CET 2003
On Fri, Oct 31, 2003 at 12:44:06AM -0500, D Richard Felker III wrote:
> On Thu, Oct 30, 2003 at 11:59:17PM -0500, D Richard Felker III wrote:
> > On Thu, Oct 30, 2003 at 09:21:01PM -0500, D Richard Felker III wrote:
> > > #0 0x8271a1b in put_pixels16_mmx (block=0x851c240 '\001' <repeats 200 times>...,
> > > pixels=0x851c240 '\001' <repeats 200 times>..., line_size=320, h=0) at i386/dsputil_mmx.c:357
> > ^^^
> >
> > Here's what causes the crash! Not sure how put_pixels16_mmx is getting
> > called with h=0 though... Anyway, the following patch eliminates the
> > crash...
> >
> > -------------------------------------------------------------------------------
> > Index: libavcodec/i386/dsputil_mmx.c
> > ===================================================================
> > RCS file: /cvsroot/ffmpeg/ffmpeg/libavcodec/i386/dsputil_mmx.c,v
> > retrieving revision 1.62
> > diff -u -r1.62 dsputil_mmx.c
> > --- libavcodec/i386/dsputil_mmx.c 23 Oct 2003 23:24:38 -0000 1.62
> > +++ libavcodec/i386/dsputil_mmx.c 31 Oct 2003 04:53:41 -0000
> > @@ -345,7 +345,7 @@
> > "addl %%eax, %1 \n\t"
> > "addl %%eax, %2 \n\t"
> > "subl $4, %0 \n\t"
> > - "jnz 1b \n\t"
> > + "jge 1b \n\t"
>
> And 100l to me, this should be jg, not jge. :))
> But in any case it doesn't fix the real problem.
Is no one else interested in this? Is no one else experiencing any
problem??
Rich
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