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/backend/media_pipeline_device.h"
  19 #include "chromecast/media/cma/pipeline/load_type.h"
  20 #include "media/base/pipeline_status.h"
  21
  22 namespace base {
  23 class SharedMemory;
  24 class SingleThreadTaskRunner;
  25 }
  26
  27 namespace media {
  28 class AudioDecoderConfig;
  29 class VideoDecoderConfig;
  30 }
  31
  32 namespace chromecast {
  33 namespace media {
  34 struct AvPipelineClient;
  35 class BrowserCdmCast;
  36 struct MediaPipelineClient;
  37 class MediaPipelineImpl;
  38 struct VideoPipelineClient;
  39
  40 class MediaPipelineHost {
  41  public:
  42   MediaPipelineHost();
  43   ~MediaPipelineHost();
  44
  45   void Initialize(
  46       LoadType load_type,
  47       const MediaPipelineClient& client,
  48       const media::CreatePipelineDeviceCB& create_pipeline_device_cb);
  49
  50   void SetAvPipe(TrackId track_id,
  51                  scoped_ptr<base::SharedMemory> shared_mem,
  52                  const base::Closure& pipe_read_activity_cb,
  53                  const base::Closure& av_pipe_set_cb);
  54   void AudioInitialize(TrackId track_id,
  55                        const AvPipelineClient& client,
  56                        const ::media::AudioDecoderConfig& config,
  57                        const ::media::PipelineStatusCB& status_cb);
  58   void VideoInitialize(TrackId track_id,
  59                        const VideoPipelineClient& client,
  60                        const std::vector<::media::VideoDecoderConfig>& configs,
  61                        const ::media::PipelineStatusCB& status_cb);
  62   void StartPlayingFrom(base::TimeDelta time);
  63   void Flush(const ::media::PipelineStatusCB& status_cb);
  64   void Stop();
  65
  66   void SetPlaybackRate(double playback_rate);
  67   void SetVolume(TrackId track_id, float playback_rate);
  68   void SetCdm(BrowserCdmCast* cdm);
  69
  70   void NotifyPipeWrite(TrackId track_id);
  71
  72  private:
  73   base::ThreadChecker thread_checker_;
  74
  75   scoped_ptr<MediaPipelineImpl> media_pipeline_;
  76
  77   // The shared memory for a track id must be valid until Stop is invoked on
  78   // that track id.
  79   struct MediaTrackHost;
  80   typedef std::map<TrackId, MediaTrackHost*> MediaTrackMap;
  81   MediaTrackMap media_track_map_;
  82
  83   DISALLOW_COPY_AND_ASSIGN(MediaPipelineHost);
  84 };
  85
  86 }  // namespace media
  87 }  // namespace chromecast
  88
  89 #endif  // CHROMECAST_BROWSER_MEDIA_MEDIA_PIPELINE_HOST_H_