chromecast/media/cma/backend/media_pipeline_device.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_MEDIA_CMA_BACKEND_MEDIA_PIPELINE_DEVICE_H_
   6 #define CHROMECAST_MEDIA_CMA_BACKEND_MEDIA_PIPELINE_DEVICE_H_
   7
   8 #include "base/macros.h"
   9 #include "base/memory/scoped_ptr.h"
  10
  11 namespace chromecast {
  12 namespace media {
  13 class AudioPipelineDevice;
  14 class MediaClockDevice;
  15 class MediaPipelineDeviceParams;
  16 class VideoPipelineDevice;
  17
  18 // MediaPipelineDevice is the owner of the underlying audio/video/clock
  19 // devices.
  20 class MediaPipelineDevice {
  21  public:
  22   MediaPipelineDevice();
  23   virtual ~MediaPipelineDevice();
  24
  25   virtual AudioPipelineDevice* GetAudioPipelineDevice() const = 0;
  26
  27   virtual VideoPipelineDevice* GetVideoPipelineDevice() const = 0;
  28
  29   virtual MediaClockDevice* GetMediaClockDevice() const = 0;
  30
  31  private:
  32   DISALLOW_COPY_AND_ASSIGN(MediaPipelineDevice);
  33 };
  34
  35 // Factory to create a MediaPipelineDevice.
  36 scoped_ptr<MediaPipelineDevice> CreateMediaPipelineDevice(
  37     const MediaPipelineDeviceParams& params);
  38
  39 }  // namespace media
  40 }  // namespace chromecast
  41
  42 #endif  // CHROMECAST_MEDIA_CMA_BACKEND_MEDIA_PIPELINE_DEVICE_H_