[Ffmpeg-devel] swscale and 64 bit problem (mmx code)
Thu Mar 1 14:15:49 CET 2007
On Thu, Mar 01, 2007 at 01:17:10PM +0100, Reimar D?ffinger wrote:
> On Thu, Mar 01, 2007 at 01:18:12PM +0000, Giancarlo Formicuccia wrote:
> > libswscale seems to be unsafe on 64 bit platforms. The problem is
> > the 32-bit chrMmxFilter array of SwsContext, because it stores
> > pointers to allocated memory (lumMmxFilter has probably the same
> > issue).
> > Fixing the code is not trivial, due to the many hardcoded values in the asm code...
> > Ideas?
> Well, the non-SWS_ACCURATE_RND case is trivial to fix I think, see attached
Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB
Observe your enemies, for they first find out your faults. -- Antisthenes
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