Misschien kan ik met onderstaande analyse iemand op een idee brengen.
Uit een ivtv test kwam het volgende:
dick@PCubuntu:~$ mplayer /tmp/test_capture.mpg
MPlayer 1.0rc2-4.2.3 (C) 2000-2007 MPlayer Team
CPU: Intel(R) Pentium(R) D CPU 2.80GHz (Family: 15, Model: 4, Stepping: 7)
CPUflags: MMX: 1 MMX2: 1 3DNow: 0 3DNow2: 0 SSE: 1 SSE2: 1
Compiled with runtime CPU detection.
mplayer: could not connect to socket
mplayer: Connection refused
Failed to open LIRC support. You will not be able to use your remote control.
Playing /tmp/test_capture.mpg.
MPEG-PS file format detected.
VIDEO: MPEG2 720x576 (aspect 2) 25.000 fps 8000.0 kbps (1000.0 kbyte/s)
xscreensaver_disable: Could not find XScreenSaver window.
GNOME screensaver disabled
==========================================================================
Opening video decoder: [mpegpes] MPEG 1/2 Video passthrough
VDec: vo config request - 720 x 576 (preferred colorspace: Mpeg PES)
Could not find matching colorspace - retrying with -vf scale...
Opening video filter: [scale]
The selected video_out device is incompatible with this codec.
Try appending the scale filter to your filter list,
e.g. -vf spp,scale instead of -vf spp.
VDecoder init failed
Opening video decoder: [libmpeg2] MPEG 1/2 Video decoder libmpeg2-v0.4.0b
Selected video codec: [mpeg12] vfm: libmpeg2 (MPEG-1 or 2 (libmpeg2))
==========================================================================
==========================================================================
Forced audio codec: mad
Opening audio decoder: [libmad] libmad mpeg audio decoder
AUDIO: 48000 Hz, 2 ch, s16le, 224.0 kbit/14.58% (ratio: 28000->192000)
Selected audio codec: [mad] afm: libmad (libMAD MPEG layer 1-2-3)
==========================================================================
AO: [pulse] 48000Hz 2ch s16le (2 bytes per sample)
Starting playback...
VDec: vo config request - 720 x 576 (preferred colorspace: Planar YV12)
VDec: using Planar YV12 as output csp (no 0)
Movie-Aspect is 1.33:1 - prescaling to correct movie aspect.
VO: [xv] 720x576 => 768x576 Planar YV12
Cannot sync MAD frame: -0.002 ct: -0.196 123/123 12% 0% 1.4% 0 0
Cannot sync MAD frame
Cannot sync MAD frame: -0.002 ct: -0.197 124/124 12% 0% 1.4% 0 0
Cannot sync MAD frame: -0.002 ct: -0.197 125/125 12% 0% 1.4% 0 0
Cannot sync MAD frame: -0.000 ct: -0.197 126/126 12% 0% 1.4% 0 0
Cannot sync MAD frame: -0.000 ct: -0.197 127/127 12% 0% 1.4% 0 0
Cannot sync MAD frame: -0.001 ct: -0.197 128/128 12% 0% 1.3% 0 0
Cannot sync MAD frame: -0.001 ct: -0.197 129/129 12% 0% 1.3% 0 0
Cannot sync MAD frame: -0.001 ct: -0.197 130/130 12% 0% 1.3% 0 0
Cannot sync MAD frame: -0.002 ct: -0.197 131/131 12% 0% 1.3% 0 0
Cannot sync MAD frame: -0.002 ct: -0.197 132/132 12% 0% 1.3% 0 0
Cannot sync MAD frame: -0.002 ct: -0.198 133/133 12% 0% 1.3% 0 0
Cannot sync MAD frame: -0.002 ct: -0.198 134/134 12% 0% 1.3% 0 0
Cannot sync MAD frame: -0.002 ct: -0.198 135/135 12% 0% 1.3% 0 0
Cannot sync MAD frame: -0.030 ct: -0.201 136/136 12% 0% 1.3% 0 0
Cannot sync MAD frame: -0.070 ct: -0.205 137/137 12% 0% 1.3% 0 0
Cannot sync MAD frame: -0.110 ct: -0.209 138/138 12% 0% 1.2% 0 0
Cannot sync MAD frame: -0.150 ct: -0.213 139/139 12% 0% 1.2% 0 0
Cannot sync MAD frame: -0.190 ct: -0.217 140/140 12% 0% 1.2% 0 0
Cannot sync MAD frame: -0.230 ct: -0.221 141/141 12% 0% 1.2% 0 0
Cannot sync MAD frame: -0.270 ct: -0.225 142/142 12% 0% 1.2% 0 0
Cannot sync MAD frame: -0.310 ct: -0.229 143/143 12% 0% 1.2% 0 0
Cannot sync MAD frame: -0.350 ct: -0.233 144/144 12% 0% 1.2% 0 0
A: 5.7 V: 6.0 A-V: -0.350 ct: -0.237 144/144 12% 0% 1.2% 0 0
GNOME screensaver enabled