[Ffmpeg-devel] [patch] libavcodec/mpeg12.c:find_start_code() off by one
Michael Niedermayer
michaelni
Thu Jan 12 17:11:16 CET 2006
Hi
On Thu, Jan 12, 2006 at 03:31:55PM +0100, Diego Biurrun wrote:
> On Wed, Jan 11, 2006 at 02:39:27PM +0100, Diego Biurrun wrote:
> > On Wed, Jan 11, 2006 at 01:18:48PM +0000, Benjamin Larsson wrote:
> > >
> > > Well current regressions test fail for me, that is with and without
> > > this patch and with current cvs on a amd64 box.
> >
> > Hmm, do the regression tests work under AMD64 at all? The last time I
> > tested they failed on PPC. I'll report later.
>
> Yes, they fail on PPC on a vanilla source tree, this is the end of the
> output of 'make test':
>
> ../ffmpeg_g -y -flags +bitexact -dct fastint -idct simple -y -i
> ./data/a-adpcm_yam.wav -f wav ./data/out.wav
> FFmpeg version CVS, Copyright (c) 2000-2004 Fabrice Bellard
> configuration: --enable-gpl
> libavcodec version: 51.0.0
> libavformat version: 50.0.0
> built on Jan 12 2006 15:14:39, gcc: 4.0.3 20060104 (prerelease)
> (Debian 4.0.2-6)
> size= 1032kB time=6.0 bitrate=1411.3kbits/s
> --- ./data/ffmpeg.regression 2006-01-12 15:22:01.000000000 +0100
> +++ /home/diego/src/ffmpeg/tests/ffmpeg.regression.ref 2006-01-08
> 22:32:12.000000000 +0100
> @@ -119,12 +119,12 @@
> 2653642 ./data/a-ffv1.avi
> 799d3db687f6cdd7a837ec156efc171f *./data/out.yuv
> stddev: 0.00 PSNR:99.99 bytes:7602176
> -472a891a0d07e050943d62504240c50f *./data/a-snow.avi
> -1362158 ./data/a-snow.avi
> -946ff31ac244e913452ccac77e27be1b *./data/out.yuv
> -stddev: 3.00 PSNR:38.56 bytes:7602176
> -745a5ad480b5e2a2319be85764b89012 *./data/a-snow53.avi
> -3540248 ./data/a-snow53.avi
> +14fa515bf25a47fc2ad3d18b726e8e31 *./data/a-snow.avi
> +1197138 ./data/a-snow.avi
> +e7c746171b092266b0cf55bb5de2a40a *./data/out.yuv
> +stddev: 2.89 PSNR:38.87 bytes:7602176
> +11fd61ee7e67ef7a7b2a3df973691305 *./data/a-snow53.avi
> +3533710 ./data/a-snow53.avi
> 799d3db687f6cdd7a837ec156efc171f *./data/out.yuv
> stddev: 0.00 PSNR:99.99 bytes:7602176
> e1da20e3f52f4d2aa18e9486986161fc *./data/a-dv.dv
>
> Regression test: Error.
> make[1]: *** [codectest] Error 1
> make[1]: Leaving directory `/home/diego/src/ffmpeg/tests'
> make: *** [test] Error 2
>
> The other tests fail at some point at well. So are the regression test
> i386-only?
no they where working fine on non x86 sometime ago but people apparently just
ignore it if they fail instead of reporting ...
maybe someone could do a binary search to find out when they broke (just
test a-snow53.avi might be a good idea too to speed this up)
[...]
--
Michael
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