Revert 217691 "Merge 217276 "Add media::VideoEncodeAccelerator w..."

content/common/gpu/media/gpu_video_encode_accelerator.h

-// Copyright 2013 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_GPU_VIDEO_ENCODE_ACCELERATOR_H_
-#define CONTENT_COMMON_GPU_MEDIA_GPU_VIDEO_ENCODE_ACCELERATOR_H_
-
-#include <vector>
-
-#include "base/memory/scoped_ptr.h"
-#include "base/memory/weak_ptr.h"
-#include "ipc/ipc_listener.h"
-#include "media/video/video_encode_accelerator.h"
-#include "ui/gfx/size.h"
-
-namespace base {
-
-class SharedMemory;
-
-}  // namespace base
-
-namespace content {
-
-class GpuChannel;
-
-// This class encapsulates the GPU process view of a VideoEncodeAccelerator,
-// wrapping the platform-specific VideoEncodeAccelerator instance.  It handles
-// IPC coming in from the renderer and passes it to the underlying VEA.
-class GpuVideoEncodeAccelerator : public IPC::Listener,
-                                  public media::VideoEncodeAccelerator::Client {
- public:
-  GpuVideoEncodeAccelerator(GpuChannel* gpu_channel, int32 route_id);
-  virtual ~GpuVideoEncodeAccelerator();
-
-  // IPC::Listener implementation
-  virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
-  virtual void OnChannelError() OVERRIDE;
-
-  // media::VideoEncodeAccelerator::Client implementation.
-  virtual void NotifyInitializeDone() OVERRIDE;
-  virtual void RequireBitstreamBuffers(unsigned int input_count,
-                                       const gfx::Size& input_coded_size,
-                                       size_t output_buffer_size) OVERRIDE;
-  virtual void BitstreamBufferReady(int32 bitstream_buffer_id,
-                                    size_t payload_size,
-                                    bool key_frame) OVERRIDE;
-  virtual void NotifyError(media::VideoEncodeAccelerator::Error error) OVERRIDE;
-
-  // Static query for supported profiles.  This query calls the appropriate
-  // platform-specific version.
-  static std::vector<media::VideoEncodeAccelerator::SupportedProfile>
-      GetSupportedProfiles();
-
- private:
-  // Create the appropriate platform-specific VEA.
-  void CreateEncoder();
-
-  // IPC handlers, proxying media::VideoEncodeAccelerator for the renderer
-  // process.
-  void OnInitialize(media::VideoFrame::Format input_format,
-                    const gfx::Size& input_visible_size,
-                    media::VideoCodecProfile output_profile,
-                    uint32 initial_bitrate);
-  void OnEncode(int32 frame_id,
-                base::SharedMemoryHandle buffer_handle,
-                uint32 buffer_size,
-                bool force_keyframe);
-  void OnUseOutputBitstreamBuffer(int32 buffer_id,
-                                  base::SharedMemoryHandle buffer_handle,
-                                  uint32 buffer_size);
-  void OnRequestEncodingParametersChange(uint32 bitrate, uint32 framerate);
-
-  void EncodeFrameFinished(int32 frame_id, scoped_ptr<base::SharedMemory> shm);
-
-  void Send(IPC::Message* message);
-
-  // Weak pointer for media::VideoFrames that refer back to |this|.
-  base::WeakPtrFactory<GpuVideoEncodeAccelerator> weak_this_factory_;
-
-  // The GpuChannel owns this GpuVideoEncodeAccelerator and will outlive |this|.
-  GpuChannel* channel_;
-  const int32 route_id_;
-
-  // Owned pointer to the underlying VideoEncodeAccelerator.
-  scoped_ptr<media::VideoEncodeAccelerator> encoder_;
-
-  // Video encoding parameters.
-  media::VideoFrame::Format input_format_;
-  gfx::Size input_visible_size_;
-  gfx::Size input_coded_size_;
-  size_t output_buffer_size_;
-
-  DISALLOW_COPY_AND_ASSIGN(GpuVideoEncodeAccelerator);
-};
-
-}  // namespace content
-
-#endif  // CONTENT_COMMON_GPU_MEDIA_GPU_VIDEO_ENCODE_ACCELERATOR_H_