1 /* 2 * Copyright (c) 2018 The WebRTC project authors. All Rights Reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11 #ifndef MODULES_AUDIO_DEVICE_WIN_AUDIO_DEVICE_MODULE_WIN_H_ 12 #define MODULES_AUDIO_DEVICE_WIN_AUDIO_DEVICE_MODULE_WIN_H_ 13 14 #include <memory> 15 #include <string> 16 17 #include "api/scoped_refptr.h" 18 #include "api/task_queue/task_queue_factory.h" 19 #include "modules/audio_device/include/audio_device.h" 20 21 namespace webrtc { 22 23 class AudioDeviceBuffer; 24 25 namespace webrtc_win { 26 27 // This interface represents the main input-related parts of the complete 28 // AudioDeviceModule interface. 29 class AudioInput { 30 public: ~AudioInput()31 virtual ~AudioInput() {} 32 33 virtual int Init() = 0; 34 virtual int Terminate() = 0; 35 virtual int NumDevices() const = 0; 36 virtual int SetDevice(int index) = 0; 37 virtual int SetDevice(AudioDeviceModule::WindowsDeviceType device) = 0; 38 virtual int DeviceName(int index, std::string* name, std::string* guid) = 0; 39 virtual void AttachAudioBuffer(AudioDeviceBuffer* audio_buffer) = 0; 40 virtual bool RecordingIsInitialized() const = 0; 41 virtual int InitRecording() = 0; 42 virtual int StartRecording() = 0; 43 virtual int StopRecording() = 0; 44 virtual bool Recording() = 0; 45 virtual int VolumeIsAvailable(bool* available) = 0; 46 virtual int RestartRecording() = 0; 47 virtual bool Restarting() const = 0; 48 virtual int SetSampleRate(uint32_t sample_rate) = 0; 49 }; 50 51 // This interface represents the main output-related parts of the complete 52 // AudioDeviceModule interface. 53 class AudioOutput { 54 public: ~AudioOutput()55 virtual ~AudioOutput() {} 56 57 virtual int Init() = 0; 58 virtual int Terminate() = 0; 59 virtual int NumDevices() const = 0; 60 virtual int SetDevice(int index) = 0; 61 virtual int SetDevice(AudioDeviceModule::WindowsDeviceType device) = 0; 62 virtual int DeviceName(int index, std::string* name, std::string* guid) = 0; 63 virtual void AttachAudioBuffer(AudioDeviceBuffer* audio_buffer) = 0; 64 virtual bool PlayoutIsInitialized() const = 0; 65 virtual int InitPlayout() = 0; 66 virtual int StartPlayout() = 0; 67 virtual int StopPlayout() = 0; 68 virtual bool Playing() = 0; 69 virtual int VolumeIsAvailable(bool* available) = 0; 70 virtual int RestartPlayout() = 0; 71 virtual bool Restarting() const = 0; 72 virtual int SetSampleRate(uint32_t sample_rate) = 0; 73 }; 74 75 // Combines an AudioInput and an AudioOutput implementation to build an 76 // AudioDeviceModule. Hides most parts of the full ADM interface. 77 rtc::scoped_refptr<AudioDeviceModuleForTest> 78 CreateWindowsCoreAudioAudioDeviceModuleFromInputAndOutput( 79 std::unique_ptr<AudioInput> audio_input, 80 std::unique_ptr<AudioOutput> audio_output, 81 TaskQueueFactory* task_queue_factory); 82 83 } // namespace webrtc_win 84 85 } // namespace webrtc 86 87 #endif // MODULES_AUDIO_DEVICE_WIN_AUDIO_DEVICE_MODULE_WIN_H_ 88