IDirect3DDeviceManager9 Interface
Enables two threads to share the same Direct3D 9 device, and provides access to the DirectX Video Acceleration (DXVA) features of the device.
Mitglieder
IDirect3DDeviceManager9Schnittstelle erbt von der IUnknown-Schnittstelle. IDirect3DDeviceManager9 umfasst auch die folgenden Typen von Mitgliedern:
- Methoden
Methoden
IDirect3DDeviceManager9Schnittstelle umfasst die folgenden Methoden.
| Methode | Beschreibung |
|---|---|
| CloseDeviceHandle | Closes a Direct3D device handle. |
| GetVideoService | Gets a DirectX Video Acceleration (DXVA) service interface. |
| LockDevice | Gives the caller exclusive access to the Direct3D device. |
| OpenDeviceHandle | Gets a handle to the Direct3D device. |
| ResetDevice | Sets the Direct3D device or notifies the device manager that the Direct3D device was reset. |
| TestDevice | Tests whether a Direct3D device handle is valid. |
| UnlockDevice | Unlocks the Direct3D device. |
Hinweise
This interface is exposed by the Direct3D Device Manager. To create the Direct3D device manager, call DXVA2CreateDirect3DDeviceManager9.
To get this interface from the Enhanced Video Renderer (EVR), call IMFGetService::GetService. The service GUID is MR_VIDEO_ACCELERATION_SERVICE. For the DirectShow EVR filter, call GetService on the filter's pins.
The Direct3D Device Manager supports Direct3D 9 devices only. It does not support DXGI devices.
Anforderungen
Mindestens unterstützter Client |
Windows Vista |
Mindestens unterstützter Server |
Windows Server 2008 |
Header |
Dxva2api.h |