Revert 55405 - Special thanks for in-ming cheng's MFT hardware decodering cod...

chrome/renderer/media/ipc_video_decoder.h

-// Copyright (c) 2010 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 CHROME_RENDERER_MEDIA_IPC_VIDEO_DECODER_H_
-#define CHROME_RENDERER_MEDIA_IPC_VIDEO_DECODER_H_
-
-#include "base/time.h"
-#include "chrome/renderer/gpu_video_service_host.h"
-#include "media/base/pts_heap.h"
-#include "media/base/video_frame.h"
-#include "media/filters/decoder_base.h"
-
-struct AVRational;
-
-namespace media {
-
-class VideoDecodeEngine;
-
-class IpcVideoDecoder : public VideoDecoder,
-                        public GpuVideoDecoderHost::EventHandler {
- public:
-  explicit IpcVideoDecoder(MessageLoop* message_loop);
-  virtual ~IpcVideoDecoder();
-
-  static FilterFactory* CreateFactory(MessageLoop* message_loop);
-  static bool IsMediaFormatSupported(const MediaFormat& media_format);
-
-  // MediaFilter implementation.
-  virtual void Stop(FilterCallback* callback);
-  virtual void Seek(base::TimeDelta time, FilterCallback* callback);
-  virtual void Pause(FilterCallback* callback);
-  virtual void Flush(FilterCallback* callback);
-
-  // Decoder implementation.
-  virtual void Initialize(DemuxerStream* demuxer_stream,
-                          FilterCallback* callback);
-  virtual const MediaFormat& media_format() { return media_format_; }
-  virtual void FillThisBuffer(scoped_refptr<VideoFrame> video_frame);
-
-  // GpuVideoDecoderHost::EventHandler.
-  virtual void OnInitializeDone(bool success,
-                                const GpuVideoDecoderInitDoneParam& param);
-  virtual void OnUninitializeDone();
-  virtual void OnFlushDone();
-  virtual void OnEmptyBufferDone(scoped_refptr<Buffer> buffer);
-  virtual void OnFillBufferDone(scoped_refptr<VideoFrame> frame);
-  virtual void OnDeviceError();
-
-  virtual bool ProvidesBuffer();
-
- private:
-  void OnSeekComplete(FilterCallback* callback);
-  void OnReadComplete(Buffer* buffer);
-  void ReadCompleteTask(scoped_refptr<Buffer> buffer);
-
- private:
-  friend class FilterFactoryImpl2<IpcVideoDecoder,
-                                  VideoDecodeEngine*,
-                                  MessageLoop*>;
-
- private:
-  int32 width_;
-  int32 height_;
-  MediaFormat media_format_;
-
-  scoped_ptr<FilterCallback> flush_callback_;
-  scoped_ptr<FilterCallback> initialize_callback_;
-  scoped_ptr<FilterCallback> stop_callback_;
-
-  enum DecoderState {
-    kUnInitialized,
-    kPlaying,
-    kFlushing,
-    kPausing,
-    kFlushCodec,
-    kEnded,
-    kStopped,
-  };
-  DecoderState state_;
-
-  // Tracks the number of asynchronous reads issued to |demuxer_stream_|.
-  // Using size_t since it is always compared against deque::size().
-  size_t pending_reads_;
-  // Tracks the number of asynchronous reads issued from renderer.
-  size_t pending_requests_;
-
-  // Pointer to the demuxer stream that will feed us compressed buffers.
-  scoped_refptr<DemuxerStream> demuxer_stream_;
-
-  MessageLoop* renderer_thread_message_loop_;
-  scoped_refptr<GpuVideoDecoderHost> gpu_video_decoder_host_;
-
-  DISALLOW_COPY_AND_ASSIGN(IpcVideoDecoder);
-};
-
-}  // namespace media
-
-#endif  // CHROME_RENDERER_MEDIA_IPC_VIDEO_DECODER_H_
-