IDirectXVideoDecoderService::GetDecoderDeviceGuids method
Retrieves an array of GUIDs that identifies the decoder devices supported by the graphics hardware.
Syntax
HRESULT GetDecoderDeviceGuids( [out] UINT *Count, [out] GUID **pGuids );
Parameters
- Count [out]
-
Receives the number of GUIDs.
- pGuids [out]
-
Receives an array of GUIDs. The size of the array is retrieved in the Count parameter. The method allocates the memory for the array. The caller must free the memory by calling CoTaskMemFree.
Return value
The method returns an HRESULT. Possible values include, but are not limited to, those in the following table.
| Return code | Description |
|---|---|
|
The method succeeded. |
|
Error from the Direct3D device. |
Remarks
The following decoder GUIDs are defined. Some of these GUIDs have alternate names, shown in parentheses.
| GUID | Description |
|---|---|
| DXVA2_ModeH264_A (DXVA2_ModeH264_MoComp_NoFGT) | H.264 motion compensation (MoComp), no film grain technology (FGT). |
| DXVA2_ModeH264_B (DXVA2_ModeH264_MoComp_FGT) | H.264 MoComp, FGT. |
| DXVA2_ModeH264_C (DXVA2_ModeH264_IDCT_NoFGT) | H.264 inverse discrete cosine transform (IDCT), no FGT. |
| DXVA2_ModeH264_D (DXVA2_ModeH264_IDCT_FGT) | H.264 IDCT, FGT. |
| DXVA2_ModeH264_E (DXVA2_ModeH264_VLD_NoFGT) | H.264 VLD, no FGT. |
| DXVA2_ModeH264_F (DXVA2_ModeH264_VLD_FGT) | H.264 variable-length decoder (VLD), FGT. |
| DXVA2_ModeMPEG2_IDCT | MPEG-2 IDCT. |
| DXVA2_ModeMPEG2_MoComp | MPEG-2 MoComp. |
| DXVA2_ModeMPEG2_VLD | MPEG-2 VLD. |
| DXVA2_ModeVC1_A (DXVA2_ModeVC1_PostProc) | VC-1 post processing. |
| DXVA2_ModeVC1_B (DXVA2_ModeVC1_MoComp) | VC-1 MoComp. |
| DXVA2_ModeVC1_C (DXVA2_ModeVC1_IDCT) | VC-1 IDCT. |
| DXVA2_ModeVC1_D (DXVA2_ModeVC1_VLD) | VC-1 VLD. |
| DXVA2_ModeWMV8_A (DXVA2_ModeWMV8_PostProc) | Windows Media Video 8 post processing. |
| DXVA2_ModeWMV8_B (DXVA2_ModeWMV8_MoComp) | Windows Media Video 8 MoComp. |
| DXVA2_ModeWMV9_A (DXVA2_ModeWMV9_PostProc) | Windows Media Video 9 post processing. |
| DXVA2_ModeWMV9_B (DXVA2_ModeWMV9_MoComp) | Windows Media Video 9 MoComp. |
| DXVA2_ModeWMV9_C (DXVA2_ModeWMV9_IDCT) | Windows Media Video 9 IDCT. |
Requirements
|
Minimum supported client | Windows Vista [desktop apps only] |
|---|---|
|
Minimum supported server | Windows Server 2008 [desktop apps only] |
|
Header |
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See also
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Build date: 11/28/2012
