[Asterisk-video] error with app_transcoding

[Mitul Limbani]

compile app_transcode again by putting in -lswscale in Makefile

Mitul Limbani
Enterux Solutions,
www.enterux.com

Quoting CM Rahman <cmrahman at yahoo.com>:

> 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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>
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