[Chromecast] Upgrade to new CMA backend API

chromecast/media/cma/backend/media_component_device_default.h

-// Copyright 2015 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 CHROMECAST_MEDIA_CMA_BACKEND_MEDIA_COMPONENT_DEVICE_DEFAULT_H_
-#define CHROMECAST_MEDIA_CMA_BACKEND_MEDIA_COMPONENT_DEVICE_DEFAULT_H_
-
-#include <list>
-
-#include "base/macros.h"
-#include "base/memory/weak_ptr.h"
-#include "base/threading/thread_checker.h"
-
-#include "chromecast/public/media/media_clock_device.h"
-#include "chromecast/public/media/media_component_device.h"
-
-namespace chromecast {
-class TaskRunner;
-
-namespace media {
-struct MediaPipelineDeviceParams;
-
-class MediaComponentDeviceDefault : public MediaComponentDevice {
- public:
-  MediaComponentDeviceDefault(const MediaPipelineDeviceParams& params,
-                              MediaClockDevice* media_clock_device);
-  ~MediaComponentDeviceDefault() override;
-
-  // MediaComponentDevice implementation.
-  void SetClient(Client* client) override;
-  State GetState() const override;
-  bool SetState(State new_state) override;
-  bool SetStartPts(int64_t time_microseconds) override;
-  FrameStatus PushFrame(DecryptContext* decrypt_context,
-                        CastDecoderBuffer* buffer,
-                        FrameStatusCB* completion_cb) override;
-  RenderingDelay GetRenderingDelay() const override;
-  bool GetStatistics(Statistics* stats) const override;
-
- private:
-  struct DefaultDecoderBuffer {
-    DefaultDecoderBuffer();
-    ~DefaultDecoderBuffer();
-
-    // Buffer size.
-    size_t size;
-
-    // Presentation timestamp.
-    base::TimeDelta pts;
-  };
-
-  void RenderTask();
-
-  TaskRunner* task_runner_;
-  MediaClockDevice* const media_clock_device_;
-  scoped_ptr<Client> client_;
-
-  State state_;
-
-  // Indicate whether the end of stream has been received.
-  bool is_eos_;
-
-  // Media time of the last rendered audio sample.
-  base::TimeDelta rendering_time_;
-
-  // Frame decoded/rendered since the pipeline left the idle state.
-  uint64 decoded_frame_count_;
-  uint64 decoded_byte_count_;
-
-  // List of frames not rendered yet.
-  std::list<DefaultDecoderBuffer> frames_;
-
-  // Indicate whether there is a scheduled rendering task.
-  bool scheduled_rendering_task_;
-
-  // Pending frame.
-  scoped_ptr<CastDecoderBuffer> pending_buffer_;
-  scoped_ptr<FrameStatusCB> frame_pushed_cb_;
-
-  base::ThreadChecker thread_checker_;
-
-  base::WeakPtr<MediaComponentDeviceDefault> weak_this_;
-  base::WeakPtrFactory<MediaComponentDeviceDefault> weak_factory_;
-
-  DISALLOW_COPY_AND_ASSIGN(MediaComponentDeviceDefault);
-};
-
-}  // namespace media
-}  // namespace chromecast
-
-#endif  // CHROMECAST_MEDIA_CMA_BACKEND_MEDIA_COMPONENT_DEVICE_DEFAULT_H_