| // Copyright 2015 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef CHROMECAST_MEDIA_AUDIO_CAST_AUDIO_MANAGER_H_ |
| #define CHROMECAST_MEDIA_AUDIO_CAST_AUDIO_MANAGER_H_ |
| |
| #include "base/macros.h" |
| #include "media/audio/audio_manager_base.h" |
| |
| namespace chromecast { |
| |
| class TaskRunnerImpl; |
| |
| namespace media { |
| |
| class MediaPipelineBackend; |
| class MediaPipelineBackendManager; |
| struct MediaPipelineDeviceParams; |
| |
| class CastAudioManager : public ::media::AudioManagerBase { |
| public: |
| CastAudioManager( |
| scoped_refptr<base::SingleThreadTaskRunner> task_runner, |
| scoped_refptr<base::SingleThreadTaskRunner> worker_task_runner, |
| ::media::AudioLogFactory* audio_log_factory, |
| MediaPipelineBackendManager* backend_manager); |
| |
| // AudioManager implementation. |
| bool HasAudioOutputDevices() override; |
| bool HasAudioInputDevices() override; |
| void ShowAudioInputSettings() override; |
| void GetAudioInputDeviceNames( |
| ::media::AudioDeviceNames* device_names) override; |
| ::media::AudioParameters GetInputStreamParameters( |
| const std::string& device_id) override; |
| |
| // This must be called on audio thread. |
| virtual std::unique_ptr<MediaPipelineBackend> CreateMediaPipelineBackend( |
| const MediaPipelineDeviceParams& params); |
| |
| protected: |
| ~CastAudioManager() override; |
| |
| private: |
| // AudioManagerBase implementation. |
| ::media::AudioOutputStream* MakeLinearOutputStream( |
| const ::media::AudioParameters& params, |
| const ::media::AudioManager::LogCallback& log_callback) override; |
| ::media::AudioOutputStream* MakeLowLatencyOutputStream( |
| const ::media::AudioParameters& params, |
| const std::string& device_id, |
| const ::media::AudioManager::LogCallback& log_callback) override; |
| ::media::AudioInputStream* MakeLinearInputStream( |
| const ::media::AudioParameters& params, |
| const std::string& device_id, |
| const ::media::AudioManager::LogCallback& log_callback) override; |
| ::media::AudioInputStream* MakeLowLatencyInputStream( |
| const ::media::AudioParameters& params, |
| const std::string& device_id, |
| const ::media::AudioManager::LogCallback& log_callback) override; |
| ::media::AudioParameters GetPreferredOutputStreamParameters( |
| const std::string& output_device_id, |
| const ::media::AudioParameters& input_params) override; |
| |
| MediaPipelineBackendManager* const backend_manager_; |
| |
| DISALLOW_COPY_AND_ASSIGN(CastAudioManager); |
| }; |
| |
| } // namespace media |
| } // namespace chromecast |
| |
| #endif // CHROMECAST_MEDIA_AUDIO_CAST_AUDIO_MANAGER_H_ |