[gst-devel] G722 in gstreamer

[Marco Ballesio]

Hi,

On Tue, Jan 25, 2011 at 5:36 PM, Edward Hervey <bilboed at gmail.com> wrote:
> On Tue, 2011-01-25 at 10:06 -0500, Olivier Crête wrote:
>> On Tue, 2011-01-25 at 15:28 +0100, Edward Hervey wrote:
>> > On Tue, 2011-01-25 at 14:29 +0100, Julien Isorce wrote:
>> > > Wim Taymans <wim.taymans at gmail.com>
>> > >         On Wed, 2010-09-29 at 16:16 +0200, Antoni Silvestre Padrós
>> > >         wrote:
>> > >         > I've been looking for it and I guess there isn't one but
>> > >         just in case
>> > >         > I've missed it somehow I'll ask it here, is there any G.722
>> > >         codec and
>> > >         > payloader for gstreamer?
>> > >
>> > >         There is a G722 encoder/decoder in ffmpeg git so it could be
>> > >         added to
>> > >         gst-ffmpeg too. I'll commit an G722 payloader/depayloader
>> > >         soon.
>> > >
>> > > Would it be possible to add G722 and G729 to gst-ffmpeg ?
>> > >
>> > > The codec_id  are:
>> > >
>> > > CODEC_ID_G729
>> > > CODEC_ID_ADPCM_G722
>> >
>> >  I updated gst-ffmpeg yesterday to track last svn revision of ffmpeg. I
>> > still haven't figured out what proper gstreamer mediatype to use for
>> > those two codecs. Once I've done that (or someone proposes such types)
>> > I'll push it.
>>
>> From good/gst/rtp/gstrtpg72?.c:
>> audio/G722 and audio/G729
>
>  I pushed the required code go to add audio/G722 features in
> gst-ffmpeg.
>
>  As for G729 it's not available in the list of publicly available
> codecs exported from libavcodec, therefore we can't wrap it.
>

for g729, we already have the "native" implementation available:

http://gitorious.org/gladstone

The only thing impeding me to contribute it in gst-plugins-ugly is the
redistribution of the reference code.  I've already asked to ITU-T
whether it's possible (or not) to do so, but no replies so far... :(

Regards

>    Edward
>
>>
>>
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>
>
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