[Bf-committers] AAC and ACC3 support

[Sergey Sharybin]

David,

I've commited your patch. At least it can not make AAC/AC3 worse :) Also
seems the same change was needed for Vorbis with FFmpeg-1.0.


On Tue, Nov 20, 2012 at 9:23 PM, Sergey Sharybin <sergey.vfx at gmail.com>wrote:

> 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
>> > _______________________________________________
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>>
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>
>
>
> --
> With best regards, Sergey Sharybin
>
>


-- 
With best regards, Sergey Sharybin