adds vp8 and vp9 dxva accelerated decode

content/common/gpu/media/dxva_video_decode_accelerator.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CONTENT_COMMON_GPU_MEDIA_DXVA_VIDEO_DECODE_ACCELERATOR_H_
 #define CONTENT_COMMON_GPU_MEDIA_DXVA_VIDEO_DECODE_ACCELERATOR_H_
 
 #include <d3d9.h>
 // Work around bug in this header by disabling the relevant warning for it.
 // https://connect.microsoft.com/VisualStudio/feedback/details/911260/dxva2api-h-in-win8-sdk-triggers-c4201-with-w4
@@ skipping 55 matching lines @@
   virtual bool CanDecodeOnIOThread() override;
 
  private:
   typedef void* EGLConfig;
   typedef void* EGLSurface;
   // Creates and initializes an instance of the D3D device and the
   // corresponding device manager. The device manager instance is eventually
   // passed to the IMFTransform interface implemented by the h.264 decoder.
   bool CreateD3DDevManager();
 
-  // Creates, initializes and sets the media types for the h.264 decoder.
+  // Creates, initializes and sets the media codec types for the decoder.
   bool InitDecoder(media::VideoCodecProfile profile);
 
   // Validates whether the h.264 decoder supports hardware video acceleration.

[DaleCurtis, 2014/11/25 00:32:55]

s/h.264/codec/ everywhere in this file?

[luken, 2014/11/25 01:07:02]

I cleaned up the comments manually.

   bool CheckDecoderDxvaSupport();
 
   // Returns information about the input and output streams. This includes
   // alignment information, decoder support flags, minimum sample size, etc.
   bool GetStreamsInfoAndBufferReqs();
 
   // Registers the input and output media types on the h.264 decoder. This
   // includes the expected input and output formats.
   bool SetDecoderMediaTypes();
 
@@ skipping 126 matching lines @@
 
   // List of input samples waiting to be processed.
   typedef std::list<base::win::ScopedComPtr<IMFSample>> PendingInputs;
   PendingInputs pending_input_buffers_;
 
   // Callback to set the correct gl context.
   base::Callback<bool(void)> make_context_current_;
 
   // WeakPtrFactory for posting tasks back to |this|.
   base::WeakPtrFactory<DXVAVideoDecodeAccelerator> weak_this_factory_;
+
+  // Which codec we are decoding with hardware acceleration.
+  media::VideoCodec codec_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_COMMON_GPU_MEDIA_DXVA_VIDEO_DECODE_ACCELERATOR_H_