audio_device_dummy.h (4316B)
1 /* 2 * Copyright (c) 2012 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 AUDIO_DEVICE_AUDIO_DEVICE_DUMMY_H_ 12 #define AUDIO_DEVICE_AUDIO_DEVICE_DUMMY_H_ 13 14 #include <cstdint> 15 16 #include "api/audio/audio_device.h" 17 #include "api/audio/audio_device_defines.h" 18 #include "modules/audio_device/audio_device_buffer.h" 19 #include "modules/audio_device/audio_device_generic.h" 20 21 namespace webrtc { 22 23 class AudioDeviceDummy : public AudioDeviceGeneric { 24 public: 25 AudioDeviceDummy() {} 26 virtual ~AudioDeviceDummy() {} 27 28 // Retrieve the currently utilized audio layer 29 int32_t ActiveAudioLayer( 30 AudioDeviceModule::AudioLayer& audioLayer) const override; 31 32 // Main initializaton and termination 33 InitStatus Init() override; 34 int32_t Terminate() override; 35 bool Initialized() const override; 36 37 // Device enumeration 38 int16_t PlayoutDevices() override; 39 int16_t RecordingDevices() override; 40 int32_t PlayoutDeviceName(uint16_t index, 41 char name[kAdmMaxDeviceNameSize], 42 char guid[kAdmMaxGuidSize]) override; 43 int32_t RecordingDeviceName(uint16_t index, 44 char name[kAdmMaxDeviceNameSize], 45 char guid[kAdmMaxGuidSize]) override; 46 47 // Device selection 48 int32_t SetPlayoutDevice(uint16_t index) override; 49 int32_t SetPlayoutDevice( 50 AudioDeviceModule::WindowsDeviceType device) override; 51 int32_t SetRecordingDevice(uint16_t index) override; 52 int32_t SetRecordingDevice( 53 AudioDeviceModule::WindowsDeviceType device) override; 54 55 // Audio transport initialization 56 int32_t PlayoutIsAvailable(bool& available) override; 57 int32_t InitPlayout() override; 58 bool PlayoutIsInitialized() const override; 59 int32_t RecordingIsAvailable(bool& available) override; 60 int32_t InitRecording() override; 61 bool RecordingIsInitialized() const override; 62 63 // Audio transport control 64 int32_t StartPlayout() override; 65 int32_t StopPlayout() override; 66 bool Playing() const override; 67 int32_t StartRecording() override; 68 int32_t StopRecording() override; 69 bool Recording() const override; 70 71 // Audio mixer initialization 72 int32_t InitSpeaker() override; 73 bool SpeakerIsInitialized() const override; 74 int32_t InitMicrophone() override; 75 bool MicrophoneIsInitialized() const override; 76 77 // Speaker volume controls 78 int32_t SpeakerVolumeIsAvailable(bool& available) override; 79 int32_t SetSpeakerVolume(uint32_t volume) override; 80 int32_t SpeakerVolume(uint32_t& volume) const override; 81 int32_t MaxSpeakerVolume(uint32_t& maxVolume) const override; 82 int32_t MinSpeakerVolume(uint32_t& minVolume) const override; 83 84 // Microphone volume controls 85 int32_t MicrophoneVolumeIsAvailable(bool& available) override; 86 int32_t SetMicrophoneVolume(uint32_t volume) override; 87 int32_t MicrophoneVolume(uint32_t& volume) const override; 88 int32_t MaxMicrophoneVolume(uint32_t& maxVolume) const override; 89 int32_t MinMicrophoneVolume(uint32_t& minVolume) const override; 90 91 // Speaker mute control 92 int32_t SpeakerMuteIsAvailable(bool& available) override; 93 int32_t SetSpeakerMute(bool enable) override; 94 int32_t SpeakerMute(bool& enabled) const override; 95 96 // Microphone mute control 97 int32_t MicrophoneMuteIsAvailable(bool& available) override; 98 int32_t SetMicrophoneMute(bool enable) override; 99 int32_t MicrophoneMute(bool& enabled) const override; 100 101 // Stereo support 102 int32_t StereoPlayoutIsAvailable(bool& available) override; 103 int32_t SetStereoPlayout(bool enable) override; 104 int32_t StereoPlayout(bool& enabled) const override; 105 int32_t StereoRecordingIsAvailable(bool& available) override; 106 int32_t SetStereoRecording(bool enable) override; 107 int32_t StereoRecording(bool& enabled) const override; 108 109 // Delay information and control 110 int32_t PlayoutDelay(uint16_t& delayMS) const override; 111 112 void AttachAudioBuffer(AudioDeviceBuffer* audioBuffer) override; 113 }; 114 115 } // namespace webrtc 116 117 #endif // AUDIO_DEVICE_AUDIO_DEVICE_DUMMY_H_