[Asterisk-video] error with app_transcoding

[CM Rahman]

ipbx*CLI> module load app_transcoder.so
Unable to load module app_transcoder.so
Command 'module load app_transcoder.so' failed.
[Feb 24 10:20:26] WARNING[31141]: loader.c:429 load_dynamic_module: Error 
loading module 'app_transcoder.so': /usr/lib/asterisk/modules/app_transcoder.so: 
undefined symbol: sws_scale
[Feb 24 10:20:26] WARNING[31141]: loader.c:797 load_resource: Module 
'app_transcoder.so' could not be loaded.

Looks like it is looking for sws_scale.  how to fix this?




________________________________
From: Mitul Limbani <mitul at enterux.com>
To: Development discussion of video media support in Asterisk 
<asterisk-video at lists.digium.com>; Mário Dias <mario at hardserver.com>
Sent: Thu, February 24, 2011 2:51:21 PM
Subject: Re: [Asterisk-video] error with app_transcoding

Hi Mario,

Can you check if the app_transcoder.so got loaded without any problem  
within Asterisk Startup ?

you can try this:

core set verbose 5
module unload app_transcode.so
module load app_transcode.so

and paste the output.

Regards,
Mitul Limbani
Enterux Solutions,
www.enterux.com

Quoting Mário Dias <mario at hardserver.com>:

> Hello! I just installed the app_transcoder with success and this runs
> well with asterisk boot...
>
> Now the problem is:
>
> My extensions.conf:
>
> [default]
>
> exten=5001,1,Answer()
> exten=5001,n,Transcode(,s at camera,h263 at qcif/fps=10/kb=52/qmin=4/qmax=12/gs=50)
> exten=5001,n,Hangup()
>
> [camera]
>
> exten=s,1,Answer()
> exten=s,n,Rtsp(rtsp://192.168.10.14:8554/CH001.sdp)
> exten=s,n,Hangup()
>
>
> And when I call 5001, the asterisk "craches" and in asterisk logs show
> the folow information:
>
> [Feb 23 18:15:22] WARNING[4142] app_transcoder.c: >Transcoding
> [,s at camera,h263 at qcif/fps=10/kb=52/qmin=4/qmax=12/gs=50,80008]
> [Feb 23 18:15:22] ERROR[4142] app_transcoder.c: Error opening encoder
> [Feb 23 18:15:22] WARNING[4142] app_transcoder.c: -joining thread
>
> I receive rtsp streaming with mp4v video codec, and I want transcode
> to H263 codec to softphone, the X-lite4.
>
> Any ideas???
> Help me please!!!!
>
> Best regards,
>
> Mário Dias
>
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