[Bf-committers] AAC and ACC3 support

Sergey Sharybin sergey.vfx at gmail.com
Tue Nov 20 16:23:46 CET 2012


Hi David,

Thanks for the patch. From quick glance seems ok. Will do some more tests
later tonight.


On Tue, Nov 20, 2012 at 7:10 PM, David <erwin94 at gmx.net> wrote:

> On Nov 19, 2012, at 6:38 PM, Sergey Sharybin wrote:
> > Hi,
> >
> > Well, issue is simple -- in FFmpeg this codecs are marked as experimental
> > and unless you're configuring export context in a proper way (enable
> > experimental codecs) you can not use this codecs. It seems that if FFmpeg
> > is compiled with libfaac this codecs could be used. Bad thing that it
> makes
> > FFmpeg unable to be redistributed via blender.org.
> >
> > I've made quick tests trying to make AAC/AC3 working without libfaac
> (seems
> > FFmpeg does have own implementation for this codecs) but it ended up in
> > only noise in output.
> >
> > The question is: is there somebody who're familiar with this stuff and
> > could make it work or we're simply disable this codecs?
>
> I just submitted a patch, from the tracker:
>
> """
> this patch enables the use of the AAC and AC3 encoders in ffmpeg.
> These are marked as experimental, yet they seem to be in widespread use
> and all the information I could find on what makes them experimental is
> that
> they create files with suboptimal quality per bitrate, i.e. for a given
> bitrate the quality
> achieved could be better. This seems to be an issue only for lower
> bitrates, any
> rates >160kbps seem to be transparent anyways.
>
> Note: I have not tested the patch more than just quickly encoding one test
> file,
> I don't have time to look at this longer unfortunately at the moment.
> """
>
>
> http://projects.blender.org/tracker/index.php?func=detail&aid=33242&group_id=9&atid=127
>
> till then, David.
>
> >
> > --
> > With best regards, Sergey Sharybin
> > _______________________________________________
> > Bf-committers mailing list
> > Bf-committers at blender.org
> > http://lists.blender.org/mailman/listinfo/bf-committers
>
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-- 
With best regards, Sergey Sharybin


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