chromecast/browser/media/media_pipeline_host.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_BROWSER_MEDIA_MEDIA_PIPELINE_HOST_H_
   6 #define CHROMECAST_BROWSER_MEDIA_MEDIA_PIPELINE_HOST_H_
   7
   8 #include <map>
   9 #include <vector>
  10
  11 #include "base/callback.h"
  12 #include "base/macros.h"
  13 #include "base/memory/ref_counted.h"
  14 #include "base/memory/scoped_ptr.h"
  15 #include "base/threading/thread_checker.h"
  16 #include "base/time/time.h"
  17 #include "chromecast/common/media/cma_ipc_common.h"
  18 #include "chromecast/media/cma/pipeline/load_type.h"
  19 #include "media/base/pipeline_status.h"
  20
  21 namespace base {
  22 class SharedMemory;
  23 }
  24
  25 namespace media {
  26 class AudioDecoderConfig;
  27 class VideoDecoderConfig;
  28 }
  29
  30 namespace chromecast {
  31 class TaskRunnerImpl;
  32
  33 namespace media {
  34 struct AvPipelineClient;
  35 class BrowserCdmCast;
  36 class MediaPipelineBackend;
  37 struct MediaPipelineClient;
  38 struct MediaPipelineDeviceParams;
  39 class MediaPipelineImpl;
  40 struct VideoPipelineClient;
  41
  42 class MediaPipelineHost {
  43  public:
  44   // Factory method to create a MediaPipelineBackend
  45   typedef base::Callback<scoped_ptr<media::MediaPipelineBackend>(
  46       const MediaPipelineDeviceParams&)> CreateDeviceComponentsCB;
  47
  48   MediaPipelineHost();
  49   ~MediaPipelineHost();
  50
  51   void Initialize(LoadType load_type,
  52                   const MediaPipelineClient& client,
  53                   const CreateDeviceComponentsCB& create_device_components_cb);
  54
  55   void SetAvPipe(TrackId track_id,
  56                  scoped_ptr<base::SharedMemory> shared_mem,
  57                  const base::Closure& pipe_read_activity_cb,
  58                  const base::Closure& av_pipe_set_cb);
  59   void AudioInitialize(TrackId track_id,
  60                        const AvPipelineClient& client,
  61                        const ::media::AudioDecoderConfig& config,
  62                        const ::media::PipelineStatusCB& status_cb);
  63   void VideoInitialize(TrackId track_id,
  64                        const VideoPipelineClient& client,
  65                        const std::vector<::media::VideoDecoderConfig>& configs,
  66                        const ::media::PipelineStatusCB& status_cb);
  67   void StartPlayingFrom(base::TimeDelta time);
  68   void Flush(const ::media::PipelineStatusCB& status_cb);
  69   void Stop();
  70
  71   void SetPlaybackRate(double playback_rate);
  72   void SetVolume(TrackId track_id, float playback_rate);
  73   void SetCdm(BrowserCdmCast* cdm);
  74
  75   void NotifyPipeWrite(TrackId track_id);
  76
  77  private:
  78   base::ThreadChecker thread_checker_;
  79
  80   scoped_ptr<TaskRunnerImpl> task_runner_;
  81   scoped_ptr<MediaPipelineImpl> media_pipeline_;
  82
  83   // The shared memory for a track id must be valid until Stop is invoked on
  84   // that track id.
  85   struct MediaTrackHost;
  86   typedef std::map<TrackId, MediaTrackHost*> MediaTrackMap;
  87   MediaTrackMap media_track_map_;
  88
  89   DISALLOW_COPY_AND_ASSIGN(MediaPipelineHost);
  90 };
  91
  92 }  // namespace media
  93 }  // namespace chromecast
  94
  95 #endif  // CHROMECAST_BROWSER_MEDIA_MEDIA_PIPELINE_HOST_H_