CmaRenderer is dead. Long live MojoRenderer.

chromecast/media/cma/ipc_streamer/av_streamer_proxy.h

-// Copyright 2014 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_IPC_STREAMER_AV_STREAMER_PROXY_H_
-#define CHROMECAST_MEDIA_CMA_IPC_STREAMER_AV_STREAMER_PROXY_H_
-
-#include <list>
-#include <memory>
-
-#include "base/callback.h"
-#include "base/macros.h"
-#include "base/memory/weak_ptr.h"
-#include "base/threading/thread_checker.h"
-#include "media/base/audio_decoder_config.h"
-#include "media/base/video_decoder_config.h"
-
-namespace chromecast {
-namespace media {
-class CodedFrameProvider;
-class DecoderBufferBase;
-class MediaMessageFifo;
-
-// AvStreamerProxy streams audio/video data from a coded frame provider
-// to a media message fifo.
-class AvStreamerProxy {
- public:
-  AvStreamerProxy();
-  ~AvStreamerProxy();
-
-  // AvStreamerProxy gets frames and audio/video config
-  // from the |frame_provider| and feed them into the |fifo|.
-  void SetCodedFrameProvider(
-      std::unique_ptr<CodedFrameProvider> frame_provider);
-  void SetMediaMessageFifo(std::unique_ptr<MediaMessageFifo> fifo);
-
-  // Starts fetching A/V buffers.
-  void Start();
-
-  // Stops fetching A/V buffers and flush the pending buffers,
-  // invoking |flush_cb| when done.
-  void StopAndFlush(const base::Closure& flush_cb);
-
-  // Event invoked when some data have been read from the fifo.
-  // This means some data can now possibly be written into the fifo.
-  void OnFifoReadEvent();
-
- private:
-  void RequestBufferIfNeeded();
-
-  void OnNewBuffer(const scoped_refptr<DecoderBufferBase>& buffer,
-                   const ::media::AudioDecoderConfig& audio_config,
-                   const ::media::VideoDecoderConfig& video_config);
-
-  void ProcessPendingData();
-
-  bool SendAudioDecoderConfig(const ::media::AudioDecoderConfig& config);
-  bool SendVideoDecoderConfig(const ::media::VideoDecoderConfig& config);
-  bool SendBuffer(const scoped_refptr<DecoderBufferBase>& buffer);
-
-  void OnStopAndFlushDone();
-
-  base::ThreadChecker thread_checker_;
-
-  std::unique_ptr<CodedFrameProvider> frame_provider_;
-
-  // Fifo used to convey A/V configs and buffers.
-  std::unique_ptr<MediaMessageFifo> fifo_;
-
-  // State.
-  bool is_running_;
-
-  // Indicates if there is a pending request to the coded frame provider.
-  bool pending_read_;
-
-  // Pending config & buffer.
-  // |pending_av_data_| is set as long as one of the pending audio/video
-  // config or buffer is valid.
-  bool pending_av_data_;
-  ::media::AudioDecoderConfig pending_audio_config_;
-  ::media::VideoDecoderConfig pending_video_config_;
-  scoped_refptr<DecoderBufferBase> pending_buffer_;
-
-  // List of pending callbacks in StopAndFlush
-  std::list<base::Closure> pending_stop_flush_cb_list_;
-
-  base::WeakPtr<AvStreamerProxy> weak_this_;
-  base::WeakPtrFactory<AvStreamerProxy> weak_factory_;
-
-  DISALLOW_COPY_AND_ASSIGN(AvStreamerProxy);
-};
-
-}  // namespace media
-}  // namespace chromecast
-
-#endif  // CHROMECAST_MEDIA_CMA_IPC_STREAMER_AV_STREAMER_PROXY_H_