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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim:set ts=2 sw=2 sts=2 et cindent: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#if !defined(DXVA2Manager_h_)
#define DXVA2Manager_h_
#include "WMF.h"
#include "nsAutoPtr.h"
#include "mozilla/Mutex.h"
#include "nsRect.h"
namespace mozilla {
namespace layers {
class Image;
class ImageContainer;
class KnowsCompositor;
}
class DXVA2Manager {
public:
// Creates and initializes a DXVA2Manager. We can use DXVA2 via either
// D3D9Ex or D3D11.
static DXVA2Manager* CreateD3D9DXVA(layers::KnowsCompositor* aKnowsCompositor, nsACString& aFailureReason);
static DXVA2Manager* CreateD3D11DXVA(layers::KnowsCompositor* aKnowsCompositor, nsACString& aFailureReason);
// Returns a pointer to the D3D device manager responsible for managing the
// device we're using for hardware accelerated video decoding. If we're using
// D3D9Ex, this is an IDirect3DDeviceManager9. For D3D11 this is an
// IMFDXGIDeviceManager. It is safe to call this on any thread.
virtual IUnknown* GetDXVADeviceManager() = 0;
// Creates an Image for the video frame stored in aVideoSample.
virtual HRESULT CopyToImage(IMFSample* aVideoSample,
const nsIntRect& aRegion,
layers::Image** aOutImage) = 0;
virtual HRESULT ConfigureForSize(uint32_t aWidth, uint32_t aHeight) { return S_OK; }
virtual bool IsD3D11() { return false; }
virtual ~DXVA2Manager();
virtual bool SupportsConfig(IMFMediaType* aType, float aFramerate) = 0;
protected:
Mutex mLock;
DXVA2Manager();
};
} // namespace mozilla
#endif // DXVA2Manager_h_
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