[Openchrome-users] MPlayer XvMC Black Screen

[Thomas Hellström]

Sandeman wrote:

>MPlayer XvMC Black Screen
>Hi There,
>
>I'm having trouble with XvMC support in Mplayer-1.0Pre8. I have applied the mplayer xvmc patch from the File Gallery and successfully compiled it. When I start mplayer as follows, :
>
># mplayer -vo xvmc -vc ffmpeg12mc, <file.mpg>
>
>a window is opened with only black content. The mplayer output in the terminal looks fine:
>
>MPlayer 1.0pre8-4.0.0 (C) 2000-2006 MPlayer Team
>CPU:                    VIA Esther processor 1000MHz (Family: 6, Model: 10, Stepping: 9)
>CPUflags:  MMX: 1 MMX2: 1 3DNow: 0 3DNow2: 0 SSE: 1 SSE2: 1
>Compiled for x86 CPU with extensions: MMX MMX2 SSE SSE2
>
>
>Playing /import/videos/BOBDEBOUWER.ISO.
>MPEG-PS file format detected.
>VIDEO:  MPEG2  720x576  (aspect 2)  25.000 fps  9000.0 kbps (1125.0 kbyte/s)
>==========================================================================
>Opening audio decoder: [liba52] AC3 decoding with liba52
>Using SSE optimized IMDCT transform
>AC3: 2.0 (stereo)  48000 Hz  224.0 kbit/s
>Using MMX optimized resampler
>AUDIO: 48000 Hz, 2 ch, s16le, 224.0 kbit/14.58% (ratio: 28000->192000)
>Selected audio codec: [a52] afm: liba52 (AC3-liba52)
>==========================================================================
>vo_xvmc: X-Video extension 2.2
>vo_xvmc: X-Video MotionCompensation Extension version 1.0
>==========================================================================
>Forced video codec: ffmpeg12mc
>Opening video decoder: [ffmpeg] FFmpeg's libavcodec codec family
>[VD_FFMPEG] XVMC accelerated codec.
>Selected video codec: [ffmpeg12mc] vfm: ffmpeg (FFmpeg MPEG-1/2 (XvMC))
>==========================================================================
>AO: [oss] 48000Hz 2ch s16le (2 bytes per sample)
>Starting playback...
>[VD_FFMPEG] XVMC-VLD-accelerated MPEG-2.
>[VD_FFMPEG] Trying pixfmt=0.
>VDec: vo config request - 720 x 576 (preferred colorspace: MPEG1/2 Motion Compensation and VLD)
>VDec: using MPEG1/2 Motion Compensation and VLD as output csp (no 0)
>Movie-Aspect is 1.33:1 - prescaling to correct movie aspect.
>VO: [xvmc] 720x576 => 768x576 MPEG1/2 Motion Compensation and VLD 
>vo_xvmc: Port 64 grabed
>vo_xvmc: Found matching surface with id=32315659 on 64 port at 0 adapter
>vo_xvmc: Allocated Direct Context
>vo_xvmc: Motion Compensation context allocated - 8 surfaces
>vo_xvmc: idct=0 unsigned_intra=0
>vo_xvmc: looking for OSD support
>    Subpicture id 0x34344149
>A:  63.8 V:  63.8 A-V:  0.011 ct:  0.075 1999/3998 10%  0%  2.5% 20 0 
>Exiting... (Quit)
>
>
>Also, the X server seems to start up with XvMC and DRI support correctly. The X startup log shows the following:
>
>(II) VIA(0): [XvMC] Initialized XvMC extension.
>
>(II) VIA(0): [drm] loaded kernel module for "via" driver
>(II) VIA(0): [drm] created "via" driver at busid "PCI:1:0:0"
>(II) VIA(0): [dri] visual configs initialized.
>(II) VIA(0): [dri] mmio mapped.
>(II) VIA(0): [dri] use agp.
>(II) VIA(0): [dri] frame buffer initialized.
>(II) VIA(0): [DRI] installation complete
>(II) VIA(0): [dri] kernel data initialized.
>Fulfilled via DRI at 7683328
>
>Other info : I use the VBEModes options because there is still no good PAL support for my chipset ( CN700 with VT1625 ). I am running Fedora Core 4 on a VIA EPIA CN board.
>
>Anyone have any idea what could be the cause of this problem?
>
>Greetings and thanks,
>
>Sander.
>  
>
What openChrome driver version are you using?

/Thomas


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