[FFmpeg-devel] [PATCH] Fix for issue #829 (" ffvorbis?outputs?crackling sound, libvorbis plays fine")

Siarhei Siamashka siarhei.siamashka
Thu May 14 09:00:08 CEST 2009


On Wednesday 13 May 2009, Michael Niedermayer wrote:
> On Wed, May 13, 2009 at 09:49:19AM +0300, Siarhei Siamashka wrote:
> >  vorbis_dec.c |    2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> > f9747ab9f83ab2fd8fdbaf337858e56be57a6cef 
> > 0001-Fix-for-issue-829-ffvorbis-outputs-crackling-soun.patch From
> > 00b2cdf54c67b65538a97a5c218b37a804e950c6 Mon Sep 17 00:00:00 2001 From:
> > Siarhei Siamashka <siarhei.siamashka at gmail.com>
> > Date: Tue, 12 May 2009 09:41:46 +0300
> > Subject: [PATCH] Fix for issue #829 ("ffvorbis outputs crackling sound,
> > libvorbis plays fine")
> >
> > This was off-by-one bug which affects floor0 encoded files. Tracked down
> > by valgrind (was reported as the use of uninitialized memory).
> >
> > With this patch applied, tiny_psnr now reports the following when
> > ffvorbis is compared to libvorbis-1.0beta4 output for 'lsp-test.ogg'
> > sample: stddev:    0.76 PSNR: 98.69 bytes:  3498380/  3498452
> >
> > Output from libvorbis-1.2 is substantially different:
> > stddev:  132.57 PSNR: 53.87 bytes:  3498424/  3498496
> > ---
> >  libavcodec/vorbis_dec.c |    2 +-
> >  1 files changed, 1 insertions(+), 1 deletions(-)
>
> patch looks ok
>
> [...]

Thanks, applied.

-- 
Best regards,
Siarhei Siamashka
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