michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* vim:set ts=2 sw=2 sts=2 et cindent: */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: #if !defined(DXVA2Manager_h_)
michael@0: #define DXVA2Manager_h_
michael@0: 
michael@0: #include "WMF.h"
michael@0: #include "nsAutoPtr.h"
michael@0: #include "mozilla/Mutex.h"
michael@0: 
michael@0: struct nsIntSize;
michael@0: struct nsIntRect;
michael@0: 
michael@0: namespace mozilla {
michael@0: 
michael@0: namespace layers {
michael@0: class Image;
michael@0: class ImageContainer;
michael@0: }
michael@0: 
michael@0: class DXVA2Manager {
michael@0: public:
michael@0: 
michael@0:   // Creates and initializes a DXVA2Manager. Currently we always use D3D9Ex
michael@0:   // to access DXVA, but via this interface we can seamlessly support D3D11
michael@0:   // DXVA integration if need be.
michael@0:   static DXVA2Manager* Create();
michael@0: 
michael@0:   // Returns a pointer to the D3D device manager responsible for managing the
michael@0:   // device we're using for hardware accelerated video decoding. If we're using
michael@0:   // D3D9, this is an IDirect3DDeviceManager9. It is safe to call this on any
michael@0:   // thread.
michael@0:   virtual IUnknown* GetDXVADeviceManager() = 0;
michael@0: 
michael@0:   // Creates an Image for the video frame stored in aVideoSample.
michael@0:   virtual HRESULT CopyToImage(IMFSample* aVideoSample,
michael@0:                               const nsIntRect& aRegion,
michael@0:                               layers::ImageContainer* aContainer,
michael@0:                               layers::Image** aOutImage) = 0;
michael@0: 
michael@0:   virtual ~DXVA2Manager();
michael@0: 
michael@0: protected:
michael@0:   Mutex mLock;
michael@0:   DXVA2Manager();
michael@0: };
michael@0: 
michael@0: } // namespace mozilla
michael@0: 
michael@0: #endif // DXVA2Manager_h_