This is what I get from DxVA Checker.
If somebody can help me to understand what’s happening…
NVIDIA GeForce 9800M GTX
MPEG2_IDCT: DXVA2, SD / HD / FHD
MPEG2_A: DXVA1, SD / HD / FHD
MPEG2_C: DXVA1, SD / HD / FHD
VC1_IDCT: DXVA2, SD / HD / FHD
WMV9_IDCT: DXVA2, SD / HD / FHD
H264_VLD_NoFGT: DXVA2, SD / HD / FHD
VC1_IDCT: DXVA1, SD / HD / FHD
WMV9_IDCT: DXVA1, SD / HD / FHD
4B2E068F-396A-43DF-B86B-7DC6D2B6726A: DXVA1, Unknown
312B6A3A-41DE-4A43-9C0F-FB3D5F0DFB9A: DXVA1, Unknown