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[Linphone-developers] Video view shows black window using Intel 945GM

From: ichrispa
Subject: [Linphone-developers] Video view shows black window using Intel 945GM
Date: Sun, 21 Apr 2013 22:21:12 +0200

Hello Linphone mailing list,

I have downloaded and compiled the latest GIT version of linphone on OpenSUSE 12.3 in order to enable Video support using H264 and v4l2. The codecs and video camera are correctly recognized, but both in self view as well as in transmissions only a black window is shown. The logs suggest that the video input is both received and parsed correctly, but displaying images fails (See Log excerpt beneath signature).

The webcam uses the uvcvideo driver and works under other applications The system uses an Intel 945GM Graphics Adapter (OpenGL 1.4). I suspect that there is either a problem with the video overlay or the missing OpenGL 2.0 support. When running linphonec -V I get the following error:

ortp-error-no such method on filter MSGLXVideo, fid=16387 method index=1
ortp-error-Need OpenGL 2.0+

Any help is highly appreciated,



Excerpt from linphone --verbose (full log available on request):

linphone-message : Initializing LinphoneCore 3.5.2-1139-g600115e
linphone-message : oRTP-0.21.1 initialized.


linphone-message : Webcam V4L2: /dev/video0 added


linphone-message : Setting video size 320x240
linphone-message : Driver is uvcvideo
linphone-message : v4l2: trying 320x240


linphone-message : v4lv2: YUV420P chosen
linphone-message : Size of webcam delivered pictures is 320x240
linphone-error : no such method on filter MSGLXVideo, fid=16387 method index=1
linphone-message : ms_filter_link: MSV4L2Capture:0x8951248,0-->MSPixConv:0x8954be8,0
linphone-message : ms_filter_link: MSPixConv:0x8954be8,0-->MSGLXVideo:0x8954cd0,0
linphone-message : Video MSTicker priority left to normal.
linphone-message : msv4l2_thread starting
linphone-message : V4L2 video capture started.


linphone-message : Captured mean fps=4.689338, expected=29.969999

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