[Asterisk-video] app transcoder

anandadip mandal anandadip at gmail.com
Mon Nov 2 03:59:43 CST 2009


Hi
I want to make video call between two sip phone having different video
codecs using app_transcoder.
I have used the following dialplan
[default]
exten => 101,1,Answer
exten => 101,2,transcode(,102 at default,h263 at qcif
/fps=12/kb=52/qmin=4/qmax=12/gs=50)
exten => 102,1,Dial(SIP/101)

the 102 ( having h263-1998 codec) extension is calling 101 (having h263
codec).
I can see the call between the two phone established but no video; also i
dont see any ack coming from 101 and within seconds asterisk gives a
segfault.
Without app transcoder, video call works fine when both phone use h263-1998
codec.
I am using asterisk 1.4; the transcode module loads succesfully; even it
executes and places a call to the configured extension)

Please help me if i am using the correct dialplan or am i missing something.

Any help will be much appreciated.

Regards
Anand



On 26/10/2009, anandadip mandal <anandadip at gmail.com> wrote:
>
> Hi
> I have successfully compiled and able to load the app_transcoder.so;
> I want to know the configuration of  extension.conf to put the
> app_transcoder in use.
> I have two sip soft phone(video capable) 3000, 3001 which are already
> registered to asterisk and I can make audio call  between them;
> Also please let me know if i have to add anything specific to extesion.conf
> and sip.conf  for enabling  video call.
> Any help will be very much appreciated.
> Thanks and regards
> Anand
>
>
> 2009/10/20 anandadip mandal <anandadip at gmail.com>
>
>> is there any document for compilation procedure of app transcoder?also
>> could someone point me how to integrate it with asterisk?
>> Thanks
>> Anand
>>
>>
>
>
> --
> Anandadip Mandal
>



-- 
Anandadip Mandal
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