NVIDIA GeForce 8800 GT
ModeMPEG2_IDCT: [NV12] 720x480 / 1280x720 / 1920x1080
ModeVC1_IDCT: [NV12] 720x480 / 1280x720 / 1920x1080
ModeWMV9_IDCT: [NV12] 720x480 / 1280x720 / 1920x1080
ModeVC1_MoComp: [NV12] 720x480 / 1280x720 / 1920x1080
ModeWMV9_MoComp: [NV12] 720x480 / 1280x720 / 1920x1080
ModeVC1_PostProc: [NV12] 720x480 / 1280x720 / 1920x1080
ModeWMV9_PostProc: [NV12] 720x480 / 1280x720 / 1920x1080
1720AC81-9D1B-4F63-9A37-4A88483D0B87: [NV12]
ModeH264_VLD_NoFGT: [NV12]
AVC/H.264:
ffdshow Video Decoder
Unknown
MainConcept AVC/H.264 Video Decoder [avc1 1920x1080]
Unsupported
CyberLink H.264/AVC Decoder (PDVD7.x) [avc1 1920x1080]
ModeH264_VLD_NoFGT(*)
ModeH264_VLD_FGT
ModeH264_MoComp_PureVideo
NV12 (ModeH264_MoComp_NoFGT)
ModeH264_MoComp_Avivo
ModeMPEG2_IDCT
Nero DVD Decoder [avc1 1920x1080]
ModeH264_MoComp_PureVideo
ModeH264_MoComp_Avivo
GUID_NULL
Nero Video Decoder [avc1 1920x1080]
ModeH264_MoComp_PureVideo
ModeH264_MoComp_Avivo
GUID_NULL
CoreAVC Video Decoder [avc1 1920x1080]
Unsupported
MPEG-2:
fdshow Video Decoder
Unknown
Elecard MPEG-2 Video Decoder [MPEG2 1920x1080]
ModeMPEG2_B
ModeMPEG2_D(*)
ModeMPEG2_A
ModeMPEG2_C
MainConcept MPEG-2 Video Decoder [MPEG2 1920x1080]
ModeMPEG2_B
ModeMPEG2_D(*)
ModeMPEG2_A
ModeMPEG2_C
CyberLink Video/SP Decoder (PDVD7) [MPEG2 1920x1080]
ModeMPEG2_VLD
ModeMPEG2_D
ModeMPEG2_B
ModeMPEG2_C(*)
ModeMPEG2_A
Nero DVD Decoder [MPEG2 1920x1080]
ModeMPEG2_D
ModeMPEG2_C
ModeMPEG2_B
ModeMPEG2_A
Nero Video Decoder [MPEG2 1920x1080]
ModeMPEG2_D
ModeMPEG2_C
ModeMPEG2_B
ModeMPEG2_A
ArcSoft MPEG Video Decoder [MPEG2 1920x1080]
Unsupported
Sonic Cinemaster® VideoDecoder 4.1 [MPEG2 1920x1080]
None
ArcSoft Video Decoder [MPEG2 1920x1080]
ModeMPEG2_D(*)
ModeMPEG2_C
ModeMPEG2_B
ModeMPEG2_A
CyberLink Video/SP BD-HD Decoder (PDVD7.x)
Unknown
ArcSoft DVD Video Decoder
Unknown
VC-1:
ffdshow Video Decoder
Unknown
MainConcept VC-1 Decoder [WVC1 1920x1080]
Unsupported
WMVideo Decoder DMO [WVC1 1920x1080]
ModeVC1_IDCT(*)
ModeVC1_MoComp
ModeVC1_PostProc
Nero DVD Decoder [WVC1 1920x1080]
GUID_NULL
Nero Video Decoder [WVC1 1920x1080]
GUID_NULL
Sonic Cinemaster® VideoDecoder 4.1 [WVC1 1920x1080]
None
This
http://bluesky23.hp.infoseek.co.jp/DXVAChecker_1401.zip is a cool programm it analyzes the Dshow filter it's DXVA capabilities and even shows the use of the PureVideo or Avivo API
You can also find Parser/Decoder problems that way