Reland: Add accelerated VP9 decode infrastructure and an implementation for VA-API.

content/common/gpu/media/vaapi_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.
 //
 // This file contains an implementation of VideoDecoderAccelerator
 // that utilizes hardware video decoder present on Intel CPUs.
 
 #ifndef CONTENT_COMMON_GPU_MEDIA_VAAPI_VIDEO_DECODE_ACCELERATOR_H_
 #define CONTENT_COMMON_GPU_MEDIA_VAAPI_VIDEO_DECODE_ACCELERATOR_H_
 
@@ skipping 55 matching lines @@
   void Reset() override;
   void Destroy() override;
   bool CanDecodeOnIOThread() override;
 
   static media::VideoDecodeAccelerator::SupportedProfiles
       GetSupportedProfiles();
 
  private:
   class VaapiH264Accelerator;
   class VaapiVP8Accelerator;
+  class VaapiVP9Accelerator;
 
   // Notify the client that an error has occurred and decoding cannot continue.
   void NotifyError(Error error);
 
   // Map the received input buffer into this process' address space and
   // queue it for decode.
   void MapAndQueueNewInputBuffer(
       const media::BitstreamBuffer& bitstream_buffer);
 
   // Get a new input buffer from the queue and set it up in decoder. This will
@@ skipping 182 matching lines @@
   VASurface::ReleaseCB va_surface_release_cb_;
 
   // To expose client callbacks from VideoDecodeAccelerator.
   // NOTE: all calls to these objects *MUST* be executed on message_loop_.
   scoped_ptr<base::WeakPtrFactory<Client> > client_ptr_factory_;
   base::WeakPtr<Client> client_;
 
   // Accelerators come after vaapi_wrapper_ to ensure they are destroyed first.
   scoped_ptr<VaapiH264Accelerator> h264_accelerator_;
   scoped_ptr<VaapiVP8Accelerator> vp8_accelerator_;
+  scoped_ptr<VaapiVP9Accelerator> vp9_accelerator_;
   // After *_accelerator_ to ensure correct destruction order.
   scoped_ptr<AcceleratedVideoDecoder> decoder_;
 
   base::Thread decoder_thread_;
   // Use this to post tasks to |decoder_thread_| instead of
   // |decoder_thread_.message_loop()| because the latter will be NULL once
   // |decoder_thread_.Stop()| returns.
   scoped_refptr<base::SingleThreadTaskRunner> decoder_thread_task_runner_;
 
   int num_frames_at_client_;
@@ skipping 17 matching lines @@
 
   // The WeakPtrFactory for |weak_this_|.
   base::WeakPtrFactory<VaapiVideoDecodeAccelerator> weak_this_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(VaapiVideoDecodeAccelerator);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_COMMON_GPU_MEDIA_VAAPI_VIDEO_DECODE_ACCELERATOR_H_