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[Linphone-developers] Re: G.723 support in linphone
From: |
Vanitha Ramaswami |
Subject: |
[Linphone-developers] Re: G.723 support in linphone |
Date: |
Wed, 8 Jun 2005 20:48:50 -0700 (PDT) |
Hi Simon,
In G.723.1, i can run in either 5.3kbps or 6.3 kbps. I
think both of them will have
the same payloadtype ie. 4. Its not possible to call
rtp_profile_set_payload right.?
In order to hook to my external DSP codecs, to make
the changes minimal i modified
the audiostream.c file in the function
audio_stream_start_full,
ms_filter_add_link(stream->soundread,stream->rtpsend);
ms_filter_add_link(stream->rtprecv,stream->soundwrite);
With these changes it worked fine for me for the G.711
MuLaw & A-Law, but now
when i add support for G.723, it is giving me error
in "coreapi/misc.c There is no plugin to handle.."..
Do i need to stub out the G.723 encoder&decoder
inorder to remove these kind of
errors from the medistreamer.
I appreciate your help on this.
Thanks
Vanitha
--- Simon Morlat <address@hidden> wrote:
> Hello,
>
> I' ve added this support in cvs version.
> It consists in adding this:
>
> PayloadType payload_type_g7231=
> {
> TYPE( PAYLOAD_AUDIO_PACKETIZED),
> CLOCK_RATE(8000),
> BITS_PER_SAMPLE( 0),
> ZERO_PATTERN(NULL),
> PATTERN_LENGTH( 0),
> NORMAL_BITRATE( 6300),
> MIME_TYPE ("G723")
> };
>
> in src/avprofile.c
>
> and add a
>
rtp_profile_set_payload(&av_profile,4,&payload_type_g7231=);
> somewhere in the av_profile_init() function in
> src/avprofile.c
>
> Simon
>
> Le Lundi 6 Juin 2005 03:39, Vanitha Ramaswami a
> écrit :
> > Hi Simon & others,
> >
> > I need to G.723 support to the oRTP stack. Is it
> > enough that i define a new
> > payloadtype in the file avprofile.c ? I have
> external
> > DSP chip that does the G.723 compression. Can you
> > please let me know if need to do anyother
> > changes.
> >
> > Thanks
> > Vanitha
> >
> > __________________________________________________
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