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| 1 // Copyright 2015 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_AUDIO_CAST_AUDIO_MANAGER_H_ |
| 6 #define CHROMECAST_MEDIA_AUDIO_CAST_AUDIO_MANAGER_H_ |
| 7 |
| 8 #include "base/macros.h" |
| 9 #include "media/audio/audio_manager_base.h" |
| 10 |
| 11 namespace chromecast { |
| 12 |
| 13 class TaskRunnerImpl; |
| 14 |
| 15 namespace media { |
| 16 |
| 17 class MediaPipelineBackend; |
| 18 |
| 19 class CastAudioManager : public ::media::AudioManagerBase { |
| 20 public: |
| 21 explicit CastAudioManager(::media::AudioLogFactory* audio_log_factory); |
| 22 ~CastAudioManager() override; |
| 23 |
| 24 // AudioManager implementation. |
| 25 bool HasAudioOutputDevices() override; |
| 26 bool HasAudioInputDevices() override; |
| 27 void ShowAudioInputSettings() override; |
| 28 void GetAudioInputDeviceNames( |
| 29 ::media::AudioDeviceNames* device_names) override; |
| 30 ::media::AudioParameters GetInputStreamParameters( |
| 31 const std::string& device_id) override; |
| 32 |
| 33 // This must be called on audio thread. |
| 34 // See AudioManager::GetTaskRunner. |
| 35 virtual scoped_ptr<MediaPipelineBackend> CreateMediaPipelineBackend(); |
| 36 |
| 37 private: |
| 38 // AudioManagerBase implementation. |
| 39 ::media::AudioOutputStream* MakeLinearOutputStream( |
| 40 const ::media::AudioParameters& params) override; |
| 41 ::media::AudioOutputStream* MakeLowLatencyOutputStream( |
| 42 const ::media::AudioParameters& params, |
| 43 const std::string& device_id) override; |
| 44 ::media::AudioInputStream* MakeLinearInputStream( |
| 45 const ::media::AudioParameters& params, |
| 46 const std::string& device_id) override; |
| 47 ::media::AudioInputStream* MakeLowLatencyInputStream( |
| 48 const ::media::AudioParameters& params, |
| 49 const std::string& device_id) override; |
| 50 ::media::AudioParameters GetPreferredOutputStreamParameters( |
| 51 const std::string& output_device_id, |
| 52 const ::media::AudioParameters& input_params) override; |
| 53 |
| 54 scoped_ptr<TaskRunnerImpl> audio_task_runner_; |
| 55 |
| 56 DISALLOW_COPY_AND_ASSIGN(CastAudioManager); |
| 57 }; |
| 58 |
| 59 } // namespace media |
| 60 } // namespace chromecast |
| 61 |
| 62 #endif // CHROMECAST_MEDIA_AUDIO_CAST_AUDIO_MANAGER_H_ |
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