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| 1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #ifndef MEDIA_AUDIO_PULSE_AUDIO_MANAGER_PULSE_H_ | 5 #ifndef MEDIA_AUDIO_PULSE_AUDIO_MANAGER_PULSE_H_ |
| 6 #define MEDIA_AUDIO_PULSE_AUDIO_MANAGER_PULSE_H_ | 6 #define MEDIA_AUDIO_PULSE_AUDIO_MANAGER_PULSE_H_ |
| 7 | 7 |
| 8 #include <pulse/pulseaudio.h> | 8 #include <pulse/pulseaudio.h> |
| 9 #include <string> | 9 #include <string> |
| 10 | 10 |
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| 31 void GetAudioInputDeviceNames(AudioDeviceNames* device_names) override; | 31 void GetAudioInputDeviceNames(AudioDeviceNames* device_names) override; |
| 32 void GetAudioOutputDeviceNames(AudioDeviceNames* device_names) override; | 32 void GetAudioOutputDeviceNames(AudioDeviceNames* device_names) override; |
| 33 AudioParameters GetInputStreamParameters( | 33 AudioParameters GetInputStreamParameters( |
| 34 const std::string& device_id) override; | 34 const std::string& device_id) override; |
| 35 | 35 |
| 36 // Implementation of AudioManagerBase. | 36 // Implementation of AudioManagerBase. |
| 37 AudioOutputStream* MakeLinearOutputStream( | 37 AudioOutputStream* MakeLinearOutputStream( |
| 38 const AudioParameters& params) override; | 38 const AudioParameters& params) override; |
| 39 AudioOutputStream* MakeLowLatencyOutputStream( | 39 AudioOutputStream* MakeLowLatencyOutputStream( |
| 40 const AudioParameters& params, | 40 const AudioParameters& params, |
| 41 const std::string& device_id) override; | 41 const std::string& device_id, |
| 42 const StatisticsCallback& statistics_callback) override; |
| 42 AudioInputStream* MakeLinearInputStream( | 43 AudioInputStream* MakeLinearInputStream( |
| 43 const AudioParameters& params, | 44 const AudioParameters& params, |
| 44 const std::string& device_id) override; | 45 const std::string& device_id) override; |
| 45 AudioInputStream* MakeLowLatencyInputStream( | 46 AudioInputStream* MakeLowLatencyInputStream( |
| 46 const AudioParameters& params, | 47 const AudioParameters& params, |
| 47 const std::string& device_id) override; | 48 const std::string& device_id) override; |
| 48 | 49 |
| 49 protected: | 50 protected: |
| 50 ~AudioManagerPulse() override; | 51 ~AudioManagerPulse() override; |
| 51 | 52 |
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| 67 const pa_sink_info* info, | 68 const pa_sink_info* info, |
| 68 int error, void* user_data); | 69 int error, void* user_data); |
| 69 | 70 |
| 70 // Callback to get the native sample rate of PulseAudio, used by | 71 // Callback to get the native sample rate of PulseAudio, used by |
| 71 // GetNativeSampleRate(). | 72 // GetNativeSampleRate(). |
| 72 static void SampleRateInfoCallback(pa_context* context, | 73 static void SampleRateInfoCallback(pa_context* context, |
| 73 const pa_server_info* info, | 74 const pa_server_info* info, |
| 74 void* user_data); | 75 void* user_data); |
| 75 | 76 |
| 76 // Called by MakeLinearOutputStream and MakeLowLatencyOutputStream. | 77 // Called by MakeLinearOutputStream and MakeLowLatencyOutputStream. |
| 77 AudioOutputStream* MakeOutputStream(const AudioParameters& params, | 78 AudioOutputStream* MakeOutputStream( |
| 78 const std::string& device_id); | 79 const AudioParameters& params, |
| 80 const std::string& device_id, |
| 81 const StatisticsCallback& statistics_callback); |
| 79 | 82 |
| 80 // Called by MakeLinearInputStream and MakeLowLatencyInputStream. | 83 // Called by MakeLinearInputStream and MakeLowLatencyInputStream. |
| 81 AudioInputStream* MakeInputStream(const AudioParameters& params, | 84 AudioInputStream* MakeInputStream(const AudioParameters& params, |
| 82 const std::string& device_id); | 85 const std::string& device_id); |
| 83 | 86 |
| 84 // Gets the native sample rate of Pulse. | 87 // Gets the native sample rate of Pulse. |
| 85 int GetNativeSampleRate(); | 88 int GetNativeSampleRate(); |
| 86 | 89 |
| 87 pa_threaded_mainloop* input_mainloop_; | 90 pa_threaded_mainloop* input_mainloop_; |
| 88 pa_context* input_context_; | 91 pa_context* input_context_; |
| 89 AudioDeviceNames* devices_; | 92 AudioDeviceNames* devices_; |
| 90 int native_input_sample_rate_; | 93 int native_input_sample_rate_; |
| 91 | 94 |
| 92 DISALLOW_COPY_AND_ASSIGN(AudioManagerPulse); | 95 DISALLOW_COPY_AND_ASSIGN(AudioManagerPulse); |
| 93 }; | 96 }; |
| 94 | 97 |
| 95 } // namespace media | 98 } // namespace media |
| 96 | 99 |
| 97 #endif // MEDIA_AUDIO_PULSE_AUDIO_MANAGER_PULSE_H_ | 100 #endif // MEDIA_AUDIO_PULSE_AUDIO_MANAGER_PULSE_H_ |
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