[Ffmpeg-cvslog] CVS: ffmpeg/libavcodec bitstream.h,1.151,1.152
Fri May 13 00:33:27 CEST 2005
On Thursday 12 May 2005 22:37, M?ns Rullg?rd wrote:
> Michael Niedermayer <michaelni at gmx.at> writes:
> > Hi
> > On Thursday 12 May 2005 21:11, M?ns Rullg?rd wrote:
> >> michael at mplayerhq.hu (Michael Niedermayer CVS) writes:
> >> > -#ifdef ARCH_SPARC
> >> > +#if defined(ARCH_SPARC) || defined(ARCH_ARMV4L)
> >> > #define UNALIGNED_STORES_ARE_BAD
> >> > #endif
> >> Why doesn't this bite other non-x86 CPUs?
> > because they either can do unaligned accesses directly or the kernel
> > catches and emulates them, AFAIK in the ARM case this isnt done by
> > default
> On Alpha, you get a message in the kernel log if there are unaligned
> accesses. Running ffmpeg, I don't get any.
well, maybe you are running it with the wrong parameters, look at the original
bugreport if not then maybe the whole UNALIGNED_STORES_ARE_BAD thing can be
> On SPARC/Solaris
> unaligned accesses cause a SIGBUS and core dump.
on ARM you get pseudo random data silently
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