Re: [Linphone-developers] How to transfer H264?

[Simon Morlat]

Hi,

How did you get linphone transfer H264 ? There is no release of linphone 
supporting H264. I guess you modify the code, true ?

Simon

Le jeudi 23 novembre 2006 03:03, r a écrit :
> Hi all!
>
>
>
>     Once I asked how can linphone communicate with video codeced by theora
> or MPEG4,
>
> Now they works after I Installing a new version of asterisk that support
> them.  But, the new
>
> problem is when I using H264 for video coder and decoder, the two
> linphone client can transfer video datas peer to peer, but there is no
> display. the linphone client prompt wrong message as flows:
>
>
>
> [h264 @ 0x2460ee8]using cpu capabilities MMX MMXEXT SSE SSE2
>
> [h264 @ 0x2460ee8]OVERFLOW levelcode=4377
>
> [h264 @ 0x2460ee8]OVERFLOW levelcode=4377
>
> [h264 @ 0x2460ee8]OVERFLOW levelcode=4377
>
> [h264 @ 0x2460ee8]OVERFLOW levelcode=4377
>
> [h264 @ 0x2460ee8]slice I:2     Avg QP: 2.00  size:  8356
>
> [h264 @ 0x2460ee8]slice P:99    Avg QP: 2.00  size:    17
>
> [h264 @ 0x2460ee8]mb I  I16..4: 88.6%  0.0% 11.4%
>
> [h264 @ 0x2460ee8]mb P  I16..4:  0.0%  0.0%
> 0.0%  P16..4:  0.3%  0.0%  0.0%  0.0%
> 0.0%    skip:99.7%
>
> [h264 @ 0x2460ee8]final ratefactor: -41.65
>
> [h264 @ 0x2460ee8]SSIM Mean Y:0.9999980
>
> [h264 @ 0x2460ee8]kb/s:0.1
>
>
>
> use another computer as the second client, the wrong message is just about:
>
>
>
> VBV bitrate greater than limits level 240000
>
> VBV maxbitrate specified but no buffer size
>
>
>
> After the wrong message showing, the linphone program goes wrong and must
> force to quit.
>
>
>
> The clients are linphone-1.5.0, the server using asterisk 1.4.0 beta3. All
> of the operation systems are CentOS.
>
>
>
> What the problem? Your help will be very appreciated.
>
> Thank a lot!