Playing DVD VOB Files with MPlayer

As the first test, let's try to use MPlayer to play a DVD VOB file:

C:\temp>\local\mplayer\mplayer dolby-bestsound.vob
MPlayer 1.0rc1-3.4.2 (C) 2000-2006 MPlayer Team
CPU: Intel(R) Core(TM)2 CPU
   T7200  @ 2.00GHz (Family: 6, Model: 15, Stepping: 6)
CPUflags:  MMX: 1 MMX2: 1 3DNow: 0 3DNow2: 0 SSE: 0 SSE2: 0
Compiled with runtime CPU detection.
c:/windows/fonts/arial.ttf doesn't look like a bitmap font 
   description, ignoring.
Cannot load bitmap font: c:/windows/fonts/arial.ttf

Playing dolby-bestsound.vob.
MPEG-PS file format detected.
VIDEO:  MPEG2  704x576  (aspect 2)  25.000 fps  7502.0 kbps
=====================================================================
Opening video decoder: [mpegpes] MPEG 1/2 Video passthrough
VDec: vo config request - 704 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 adding the scale filter, e.g. -vf spp,scale instead of -vf spp.
VDecoder init failed :(
Opening video decoder: [libmpeg2] MPEG 1/2 Video decoder libmpeg2-...
Selected video codec: [mpeg12] vfm: libmpeg2 (MPEG-1 or 2 (libmpeg2))
=====================================================================
Opening audio decoder: [liba52] AC3 decoding with liba52
No accelerated IMDCT transform found
Using MMX optimized resampler
AUDIO: 44100 Hz, 2 ch, s16le, 448.0 kbit/31.75% (ratio: 56000->176400
Selected audio codec: [a52] afm: liba52 (AC3-liba52)
=====================================================================
AO: [dsound] 44100Hz 2ch s16le (2 bytes per sample)
Starting playback...
VDec: vo config request - 704x576 (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: [directx] 704x576 => 768x576 Planar YV12