[FFmpeg-devel] [PATCH] Fix g726 encoder

Michael Niedermayer michaelni
Fri Sep 12 18:08:11 CEST 2008


On Fri, Sep 12, 2008 at 04:41:41PM +0200, Rafa?l Carr? wrote:
> Michael Niedermayer wrote:
> > On Fri, Sep 12, 2008 at 01:41:28PM +0200, Rafa?l Carr? wrote:
> >> Benjamin Larsson wrote:
> >>> Rafa?l Carr? wrote:
> >>>> On Thu, 2008-09-04 at 12:51 +0200, Michael Niedermayer wrote:
> >>>>> I suspect this needs a update to the regression test checksums too
> >>>> Is that something you can do before commit, after applying the patch ?
> >>>>
> >>> After you have patched run "make test". This will show a diff in the
> >>> g726 regressions tests. Change the values so the reg tests doesn't fail.
> >>> And submit that with your patch.
> >> I attach the patch with regression tests diffs.
> > [...]
> >> -stddev: 8364.40 PSNR: 17.87 bytes:    96936/  1058444
> > [...]
> >> +stddev: 8557.39 PSNR: 17.67 bytes:    95788/  1058444
> > 
> > why does quality worsen by this "fix" ?
> 
> I don't know, I tried lowering the frame size, since ffmpeg will encode 
> 1 frame at a time with the old behaviour, but it's only worse.
> 
> Maybe you can tell why and fix the problem I pointed you to ?

iam not maintainer of g726.

[...]
-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

Many things microsoft did are stupid, but not doing something just because
microsoft did it is even more stupid. If everything ms did were stupid they
would be bankrupt already.
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 189 bytes
Desc: Digital signature
URL: <http://lists.mplayerhq.hu/pipermail/ffmpeg-devel/attachments/20080912/493117ee/attachment.pgp>



More information about the ffmpeg-devel mailing list