反交错是ION天生弱项，转个测试

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代码:

Intel(R) Atom(TM) CPU  330   @ 1.60GHz
03:54 NVIDIA(0): NVIDIA GPU ION (C79) at PCI:3:0:0 (GPU-0)

VDPAU API version : 0
VDPAU implementation : NVIDIA VDPAU Driver Shared Library  190.32  Wed Sep  2 03:46:28 PDT 2009

SURFACE GET BITS: 275.519 M/s
SURFACE PUT BITS: 230.55 M/s

MPEG DECODING (1920x1080): 57 frames/s
MPEG DECODING (1280x720): 135 frames/s
H264 DECODING (1920x1080): 51 frames/s
H264 DECODING (1280x720): 108 frames/s
VC1 DECODING (1440x1080): 68 frames/s

MIXER WEAVE (1920x1080): 277 frames/s
MIXER BOB (1920x1080): 403 fields/s
MIXER TEMPORAL (1920x1080): 93 fields/s
MIXER TEMPORAL + SKIP_CHROMA (1920x1080): 126 fields/s
MIXER TEMPORAL_SPATIAL (1920x1080): 32 fields/s
MIXER TEMPORAL_SPATIAL + SKIP_CHROMA (1920x1080): 35 fields/s
MIXER TEMPORAL_SPATIAL (720x576 video to 1920x1080 display): 122 fields/s

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代码:

Intel(R) Core(TM)2 Duo CPU     E8200  @ 2.66GHz
NVIDIA GPU GeForce 9400 GT (G96) at PCI:1:0:0 (GPU-0)

VDPAU API version : 0
VDPAU implementation : NVIDIA VDPAU Driver Shared Library  185.18.36  Fri Aug 14 17:50:51 PDT 2009

SURFACE GET BITS: 1026.76 M/s
SURFACE PUT BITS: 658.631 M/s

MPEG DECODING (1920x1080): 75 frames/s
MPEG DECODING (1280x720): 153 frames/s
H264 DECODING (1920x1080): 44 frames/s
H264 DECODING (1280x720): 93 frames/s
VC1 DECODING (1440x1080): 118 frames/s

MIXER WEAVE (1920x1080): 229 frames/s
MIXER BOB (1920x1080): 388 fields/s
MIXER TEMPORAL (1920x1080): 103 fields/s
MIXER TEMPORAL + SKIP_CHROMA (1920x1080): 137 fields/s
MIXER TEMPORAL_SPATIAL (1920x1080): 57 fields/s
MIXER TEMPORAL_SPATIAL + SKIP_CHROMA (1920x1080): 65 fields/s

MIXER TEMPORAL_SPATIAL (720x576 video to 1920x1080 display): 191 fields/s

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代码:

AMD Phenom(tm) II X4 955 Processor
21:47 NVIDIA(0): NVIDIA GPU GeForce GTX 275 (GT200) at PCI:4:0:0 (GPU-0)

VDPAU API version : 0
VDPAU implementation : NVIDIA VDPAU Driver Shared Library 190.09 Mon Jun 15 17:25:53 PDT 2009

SURFACE GET BITS: 907.544 M/s
SURFACE PUT BITS: 1199.6 M/s

MPEG DECODING (1920x1080): 71 frames/s
MPEG DECODING (1280x720): 139 frames/s
H264 DECODING (1920x1080): 41 frames/s
H264 DECODING (1280x720): 84 frames/s
VC1 DECODING (1440x1080): 109 frames/s

MIXER WEAVE (1920x1080): 4544 frames/s
MIXER BOB (1920x1080): 8440 fields/s
MIXER TEMPORAL (1920x1080): 2146 fields/s
MIXER TEMPORAL + SKIP_CHROMA (1920x1080): 2881 fields/s
MIXER TEMPORAL_SPATIAL (1920x1080): 831 fields/s
MIXER TEMPORAL_SPATIAL + SKIP_CHROMA (1920x1080): 922 fields/s

MIXER TEMPORAL_SPATIAL (720x576 video to 1920x1080 display): 2504 fields/s

可见由于解码部分由于是专用电路，因此ION和诸如GTX275没有太大速度差别，但反交错部分就完全不能行了，推测反交错部分依赖于SP，而ION的SP数量确实少。

引用:

原帖由 fenny 于 2009-10-16 13:27 发表
反正我看1080p的xvid编码怎么设置都不流畅
有ion的人帮忙测试下hdc下的beach angles系列，都很卡
但占有率大概只有一半

xvid和divx无法硬解，也没有CUDA版解码器，因此只能靠CPU干算，我的体验是720p差不多就是极限了，ffdshow的解码效率相对还行，比官方的xvid与divx解码器强。