The Tor Browser: content/media/wmf/DXVA2Manager.h@44a2da4a2ab2

Replace accessor implementation with direct member state manipulation, by
request https://trac.torproject.org/projects/tor/ticket/9701#comment:32

     1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

     2 /* vim:set ts=2 sw=2 sts=2 et cindent: */

     3 /* This Source Code Form is subject to the terms of the Mozilla Public

     4  * License, v. 2.0. If a copy of the MPL was not distributed with this

     5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     6 #if !defined(DXVA2Manager_h_)

     7 #define DXVA2Manager_h_

     9 #include "WMF.h"

    10 #include "nsAutoPtr.h"

    11 #include "mozilla/Mutex.h"

    13 struct nsIntSize;

    14 struct nsIntRect;

    16 namespace mozilla {

    18 namespace layers {

    19 class Image;

    20 class ImageContainer;

    21 }

    23 class DXVA2Manager {

    24 public:

    26   // Creates and initializes a DXVA2Manager. Currently we always use D3D9Ex

    27   // to access DXVA, but via this interface we can seamlessly support D3D11

    28   // DXVA integration if need be.

    29   static DXVA2Manager* Create();

    31   // Returns a pointer to the D3D device manager responsible for managing the

    32   // device we're using for hardware accelerated video decoding. If we're using

    33   // D3D9, this is an IDirect3DDeviceManager9. It is safe to call this on any

    34   // thread.

    35   virtual IUnknown* GetDXVADeviceManager() = 0;

    37   // Creates an Image for the video frame stored in aVideoSample.

    38   virtual HRESULT CopyToImage(IMFSample* aVideoSample,

    39                               const nsIntRect& aRegion,

    40                               layers::ImageContainer* aContainer,

    41                               layers::Image** aOutImage) = 0;

    43   virtual ~DXVA2Manager();

    45 protected:

    46   Mutex mLock;

    47   DXVA2Manager();

    48 };

    50 } // namespace mozilla

    52 #endif // DXVA2Manager_h_

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