Re: [Linphone-users] no audio and bad video on Grandstream gxv3000

[Simon Morlat]

Hi,

These ffmpeg warning are not the reason for such faillures.
A full log (linphonec -d 6) would certainly show the reasons. Feel free
to post it here.

Simon

Le vendredi 20 mai 2011 à 11:27 +0200, LABORATORIO TEMA a écrit :
> Hi all,
> I have a problem with linphonec 3.4.3 on an Arm9 board with a uvc 
> webcam. If I make a call to a softphone, like x-lite, I have no 
> problems. The audio and the video are good, both using h263 or h263+.
> 
> But if I make a call to a Grandstream gxv3000, I have no audio and no 
> video (if h263) or a very bad video (if using h263+).
> 
> Linphonec reports many messages like
> .....
> [h263 @ 0x56bf8]warning, clipping 2 dct coefficients to -127..127
> [h263 @ 0x56bf8]warning, clipping 1 dct coefficients to -127..127
>      Last message repeated 27 times
> [h263 @ 0x56bf8]warning, clipping 2 dct coefficients to -127..127
> [h263 @ 0x56bf8]warning, clipping 1 dct coefficients to -127..127
>      Last message repeated 173 times
> [h263 @ 0x56bf8]warning, clipping 2 dct coefficients to -127..127
> [h263 @ 0x56bf8]warning, clipping 1 dct coefficients to -127..127
>      Last message repeated 36 times
> ....
> 
> Thanks
> Maurizio Messa
> 
> 
> 
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