chromecast/media/cma/pipeline/audio_pipeline.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_PIPELINE_AUDIO_PIPELINE_H_
   6 #define CHROMECAST_MEDIA_CMA_PIPELINE_AUDIO_PIPELINE_H_
   7
   8 #include "base/macros.h"
   9 #include "chromecast/media/cma/pipeline/av_pipeline_client.h"
  10
  11 namespace chromecast {
  12 namespace media {
  13
  14 class AudioPipeline {
  15  public:
  16   AudioPipeline();
  17   virtual ~AudioPipeline();
  18
  19   // Set the audio client.
  20   virtual void SetClient(const AvPipelineClient& client) = 0;
  21
  22   // Set the stream volume.
  23   // - A value of 1.0 is the neutral value.
  24   // - |volume|=0.0 mutes the stream.
  25   virtual void SetVolume(float volume) = 0;
  26
  27  private:
  28   DISALLOW_COPY_AND_ASSIGN(AudioPipeline);
  29 };
  30
  31 }  // namespace media
  32 }  // namespace chromecast
  33
  34 #endif  // CHROMECAST_MEDIA_CMA_PIPELINE_AUDIO_PIPELINE_H_