chromecast/renderer/media/media_pipeline_proxy.h

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef CHROMECAST_RENDERER_MEDIA_MEDIA_PIPELINE_PROXY_H_
   6 #define CHROMECAST_RENDERER_MEDIA_MEDIA_PIPELINE_PROXY_H_
   7
   8 #include "base/macros.h"
   9 #include "base/memory/ref_counted.h"
  10 #include "base/memory/scoped_ptr.h"
  11 #include "base/memory/weak_ptr.h"
  12 #include "base/threading/thread_checker.h"
  13 #include "chromecast/media/cma/pipeline/load_type.h"
  14 #include "chromecast/media/cma/pipeline/media_pipeline.h"
  15 #include "chromecast/media/cma/pipeline/media_pipeline_client.h"
  16 #include "media/base/serial_runner.h"
  17
  18 namespace base {
  19 class SingleThreadTaskRunner;
  20 }
  21
  22 namespace chromecast {
  23 namespace media {
  24 class AudioPipelineProxy;
  25 class MediaChannelProxy;
  26 class MediaPipelineProxyInternal;
  27 class VideoPipelineProxy;
  28
  29 class MediaPipelineProxy : public MediaPipeline {
  30  public:
  31   MediaPipelineProxy(int render_frame_id,
  32                      scoped_refptr<base::SingleThreadTaskRunner> task_runner,
  33                      LoadType load_type);
  34   ~MediaPipelineProxy() override;
  35
  36   // MediaPipeline implementation.
  37   void SetClient(const MediaPipelineClient& client) override;
  38   void SetCdm(int cdm_id) override;
  39   AudioPipeline* GetAudioPipeline() const override;
  40   VideoPipeline* GetVideoPipeline() const override;
  41   void InitializeAudio(
  42       const ::media::AudioDecoderConfig& config,
  43       scoped_ptr<CodedFrameProvider> frame_provider,
  44       const ::media::PipelineStatusCB& status_cb) override;
  45   void InitializeVideo(
  46       const std::vector<::media::VideoDecoderConfig>& configs,
  47       scoped_ptr<CodedFrameProvider> frame_provider,
  48       const ::media::PipelineStatusCB& status_cb) override;
  49   void StartPlayingFrom(base::TimeDelta time) override;
  50   void Flush(const ::media::PipelineStatusCB& status_cb) override;
  51   void Stop() override;
  52   void SetPlaybackRate(double playback_rate) override;
  53
  54  private:
  55   void OnProxyFlushDone(const ::media::PipelineStatusCB& status_cb,
  56                         ::media::PipelineStatus status);
  57
  58   base::ThreadChecker thread_checker_;
  59
  60   scoped_refptr<base::SingleThreadTaskRunner> io_task_runner_;
  61
  62   const int render_frame_id_;
  63
  64   // CMA channel to convey IPC messages.
  65   scoped_refptr<MediaChannelProxy> const media_channel_proxy_;
  66
  67   scoped_ptr<MediaPipelineProxyInternal> proxy_;
  68
  69   bool has_audio_;
  70   bool has_video_;
  71   scoped_ptr<AudioPipelineProxy> audio_pipeline_;
  72   scoped_ptr<VideoPipelineProxy> video_pipeline_;
  73   scoped_ptr< ::media::SerialRunner> pending_flush_callbacks_;
  74
  75   base::WeakPtr<MediaPipelineProxy> weak_this_;
  76   base::WeakPtrFactory<MediaPipelineProxy> weak_factory_;
  77
  78   DISALLOW_COPY_AND_ASSIGN(MediaPipelineProxy);
  79 };
  80
  81 }  // namespace media
  82 }  // namespace chromecast
  83
  84 #endif  // CHROMECAST_RENDERER_MEDIA_MEDIA_PIPELINE_PROXY_H_