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