[FFmpeg-devel] [FFmpeg-devel-irc] IRC log for 2010-02-10

Michael Niedermayer michaelni
Sat Feb 13 15:16:35 CET 2010

On Thu, Feb 11, 2010 at 12:00:35AM +0000, irc at mansr.com wrote:
> [21:44:55] <peloverde> Yuvi, vp6 is hard crashing
> [21:45:06] <peloverde> on the first frame
> [21:45:16] <Yuvi> yeah, looking at it now
> [21:45:28] <Yuvi> but most of the other failing tests are due to -t
> [21:46:07] <peloverde> yes but vp6 didn't start crashing until you screwed with (put|avg)_pixels_16_sse2
> [21:46:19] <peloverde> which is coincidentally where the crash occurs
> [21:51:33] <Yuvi> I really wanted to up STRIDE_ALIGN to 16 for that, but michael is dead set against it :/

Iam only against it as theres no advantage, if someone writes code that is
faster or needs 16byte alignment in the major codecs then we can bump it up.
major being mpeg2/mpeg4/h264
i just dont want mpeg2/4/h264 waste memory because some obscure fringe codec
needs more alignment


Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

Awnsering whenever a program halts or runs forever is
On a turing machine, in general impossible (turings halting problem).
On any real computer, always possible as a real computer has a finite number
of states N, and will either halt in less than N cycles or never halt.
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