1080p追記

Mplayerで再生してみたところ、若干コマ落ちする程度で普通に再生できた。どうやらレンダリングパイプがボトルネックのようだ。VMR9でもHaaliでも駄目だとすると何がいいのだろう。

ちなみにそのときのログ

MPlayer 1.0rc1-3.4.2 (C) 2000-2006 MPlayer Team
CPU: AMD Athlon(tm) 64 Processor 3800+ (Family: 15, Model: 47, Stepping: 0)
CPUflags:  MMX: 1 MMX2: 1 3DNow: 1 3DNow2: 1 SSE: 0 SSE2: 0
Compiled with runtime CPU detection.
Setting process priority: abovenormal
This codecs.conf is too old and incompatible with this MPlayer release! at line 6
getch2: 6 can't get number of input events  [disabling console input]

Playing L:\DivXMovie\AIR OP (1920×1080).mkv.
[mkv] Track ID 1: video (V_MS/VFW/FOURCC), -vid 0
[mkv] Track ID 2: audio (A_MPEG/L3), -aid 0, -alang und
[mkv] Will play video track 1
Matroska file format detected.
VIDEO:  [DX50]  1920x1080  24bpp  29.970 fps    0.0 kbps ( 0.0 kbyte/s)
==========================================================================
Opening video decoder: [ffmpeg] FFmpeg's libavcodec codec family
Selected video codec: [ffodivx] vfm: ffmpeg (FFmpeg MPEG-4)
==========================================================================
==========================================================================
Opening audio decoder: [mp3lib] MPEG layer-2, layer-3
AUDIO: 48000 Hz, 2 ch, s16le, 192.0 kbit/12.50% (ratio: 24000->192000)
Selected audio codec: [mp3] afm: mp3lib (mp3lib MPEG layer-2, layer-3)
==========================================================================
AO: [dsound] 48000Hz 2ch s16le (2 bytes per sample)
Starting playback...
VDec: vo config request - 1920 x 1080 (preferred colorspace: Planar YV12)
VDec: using Planar YV12 as output csp (no 0)
Movie-Aspect is 1.78:1 - prescaling to correct movie aspect.
VO: [gl2] 1920x1080 => 1920x1080 Planar YV12  [fs]
aspect: Warning: no suitable new res found!
aspect: Warning: no suitable new res found!
[gl2] You have OpenGL >= 1.2 capable drivers, GOOD (16bpp and BGR is ok!)
[gl2] antialiasing off
[gl2] bilinear linear
aspect: Warning: no suitable new res found!
aspect: Warning: no suitable new res found!


BENCHMARKs: VC:  74.351s VO:  33.233s A:   1.108s Sys:  77.396s =  186.088s
BENCHMARK%: VC: 39.9548% VO: 17.8588% A:  0.5954% Sys: 41.5911% = 100.0000%

Exiting... (End of file)
[mpeg4 @ 00B2DC90]frame skip 8
[mpeg4 @ 00B2DC90]frame skip 8
...exited, code: 0