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