[mythtv-users] xvmc causes only a single line of output at the bottom of the screen

Tue Sep 26 11:49:57 UTC 2006

I've decided to dig deeper into XvMC.  It would turn out that I was not
actually using it on my FE when I thought I was.  I am pretty sure I am
using it now though as you can see in my frontend log below.

The problem I am having is that when I have XmMC working, I only get a
single line (or maybe two) of output at the very bottom of the screen
and the rest of the screen is blank/black.

I am using a an FX5200 with the 8762 drivers on Myth 0.20.  This exact
same card and driver is working on another machine strangely enough.

My FE log:

...
2006-09-26 07:35:01.002 VideoOutputXv: Pixel dimensions: Screen 640x480, window 640x480
2006-09-26 07:35:01.002 VideoOutputXv: Estimated display dimensions: 163x122 mm  Aspect: 1.33607
2006-09-26 07:35:01.002 VideoOutputXv: Estimated window dimensions: 163x122 mm  Aspect: 1.33607
2006-09-26 07:35:01.003 VideoOutputXv: XvMC version: 1.1
2006-09-26 07:35:01.005 VideoOutputXv: XvMCTex: Init failed
2006-09-26 07:35:01.006 VideoOutputXv: @ j=1 Looking for flag[s]: XvInputMask 
2006-09-26 07:35:01.006 VideoOutputXv: Adaptor#0: NV17 Video Overlay has flag[s]: XvInputMask XvImageMask 
2006-09-26 07:35:01.007 XvMCSurfaceTypes::find(w 480, h 480, chroma 1, vld 0, idct 1, mpeg2, sub-width 0, sub-height 0, disp, p<= 244, 2440 <=p, port, surfNum)
2006-09-26 07:35:01.007 Trying XvMC port 244
2006-09-26 07:35:01.007 Found a suitable XvMC surface 0
2006-09-26 07:35:01.008 VideoOutputXv: Grabbed xv port 244
2006-09-26 07:35:01.008 VideoOutputXv: XvMC surface found with IDCT support on port 244
2006-09-26 07:35:01.008 VideoOutputXv: XvMC Adaptor Name: 'NV17 Video Overlay'
2006-09-26 07:35:01.029 VideoOutputXv: 0,0,0 is the only bad color key for MythTV, using 1 instead.
2006-09-26 07:35:01.045 Snapping height to avoid scaling: height: 480, top: 0
2006-09-26 07:35:01.046 Display Rect  left: 0, top: 0, width: 640, height: 480, aspect: 1.33333
2006-09-26 07:35:01.046 Video Rect    left: 0, top: 0, width: 480, height: 480, aspect: 1.33333
2006-09-26 07:35:01.046 NVP: Forcing decode extra audio option on. 
                        XvMC playback requires it.
2006-09-26 07:35:05.438 NVP: ClearAfterSeek(1)
2006-09-26 07:35:05.439 TV: StartPlayer(): took 5422 ms to start player.
2006-09-26 07:35:05.440 TV: Changing from None to WatchingPreRecorded
2006-09-26 07:35:05.438 VideoOutputXv: ClearAfterSeek()
2006-09-26 07:35:05.443 VideoOutputXv: DiscardFrames(0)
2006-09-26 07:35:05.443 VideoOutputXv: DiscardFrames() 1: AAAAAAAA
2006-09-26 07:35:05.443 VideoOutputXv: DiscardFrames() 3: AAAAAAAA -- done()
2006-09-26 07:35:05.443 VideoOutputXv: DiscardFrames(1)
2006-09-26 07:35:05.444 VideoOutputXv: DiscardFrames() 1: AAAAAAAA
2006-09-26 07:35:05.444 VideoOutputXv: DiscardFrames() 2: AAAAAAAA
2006-09-26 07:35:05.444 VideoOutputXv: DiscardFrames() 3: AAAAAAAA -- done()
2006-09-26 07:35:05.453 Using deinterlace method bobdeint
2006-09-26 07:35:05.458 Using realtime priority.
XvMC: picture structure FRAME
2006-09-26 07:35:05.557 nVidiaVideoSync: VBlank ioctl did not work, unimplemented in this driver?
2006-09-26 07:35:05.557 DRMVideoSync: Could not open device /dev/dri/card0, No such file or directory
2006-09-26 07:35:05.562 OpenGLVideoSync: GLX extensions: GLX_EXT_visual_info GLX_EXT_visual_rating GLX_SGIX_fbconfig GLX_SGIX_pbuffer GLX_SGI_video_sync GLX_SGI_swap_control GLX_ARB_multisample GLX_NV_float_buffer GLX_ARB_get_proc_address 
2006-09-26 07:35:05.564 OpenGLVideoSync: x,y -> 320, 240
2006-09-26 07:35:05.664 Using OpenGLVideoSync
2006-09-26 07:35:05.665 Set video sync frame interval to 33366
2006-09-26 07:35:05.678 Using audio as timebase
2006-09-26 07:35:05.678 Video timing method: SGI OpenGL
2006-09-26 07:35:05.679 Refresh rate: 16679, frame interval: 33366
2006-09-26 07:35:05.730 VideoOutputXv Error: ProcessFrameXvMC: Failed to get OSD lock
'video_output' mean = '33698.99', std. dev. = '3352.23', fps = '29.67'
'video_output' mean = '33364.57', std. dev. = '356.60', fps = '29.97'
'video_output' mean = '33363.61', std. dev. = '381.29', fps = '29.97'
2006-09-26 07:35:18.976 NVP: 400 interlaced frames seen.
...

Any ideas what could be wrong?

Thanx,
b.

-- 
My other computer is your Microsoft Windows server.

Brian J. Murrell
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