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 WEBRTC_AUDIO_DEVICE_AUDIO_DEVICE_DUMMY_H 12 #define WEBRTC_AUDIO_DEVICE_AUDIO_DEVICE_DUMMY_H 13 14 #include <stdio.h> 15 16 #include "webrtc/modules/audio_device/audio_device_generic.h" 17 18 namespace webrtc { 19 20 class AudioDeviceDummy : public AudioDeviceGeneric { 21 public: 22 AudioDeviceDummy(const int32_t id) {} 23 virtual ~AudioDeviceDummy() {} 24 25 // Retrieve the currently utilized audio layer 26 int32_t ActiveAudioLayer( 27 AudioDeviceModule::AudioLayer& audioLayer) const override; 28 29 // Main initializaton and termination 30 int32_t Init() override; 31 int32_t Terminate() override; 32 bool Initialized() const override; 33 34 // Device enumeration 35 int16_t PlayoutDevices() override; 36 int16_t RecordingDevices() override; 37 int32_t PlayoutDeviceName(uint16_t index, 38 char name[kAdmMaxDeviceNameSize], 39 char guid[kAdmMaxGuidSize]) override; 40 int32_t RecordingDeviceName(uint16_t index, 41 char name[kAdmMaxDeviceNameSize], 42 char guid[kAdmMaxGuidSize]) override; 43 44 // Device selection 45 int32_t SetPlayoutDevice(uint16_t index) override; 46 int32_t SetPlayoutDevice( 47 AudioDeviceModule::WindowsDeviceType device) override; 48 int32_t SetRecordingDevice(uint16_t index) override; 49 int32_t SetRecordingDevice( 50 AudioDeviceModule::WindowsDeviceType device) override; 51 52 // Audio transport initialization 53 int32_t PlayoutIsAvailable(bool& available) override; 54 int32_t InitPlayout() override; 55 bool PlayoutIsInitialized() const override; 56 int32_t RecordingIsAvailable(bool& available) override; 57 int32_t InitRecording() override; 58 bool RecordingIsInitialized() const override; 59 60 // Audio transport control 61 int32_t StartPlayout() override; 62 int32_t StopPlayout() override; 63 bool Playing() const override; 64 int32_t StartRecording() override; 65 int32_t StopRecording() override; 66 bool Recording() const override; 67 68 // Microphone Automatic Gain Control (AGC) 69 int32_t SetAGC(bool enable) override; 70 bool AGC() const override; 71 72 // Volume control based on the Windows Wave API (Windows only) 73 int32_t SetWaveOutVolume(uint16_t volumeLeft, uint16_t volumeRight) override; 74 int32_t WaveOutVolume(uint16_t& volumeLeft, 75 uint16_t& volumeRight) const override; 76 77 // Audio mixer initialization 78 int32_t InitSpeaker() override; 79 bool SpeakerIsInitialized() const override; 80 int32_t InitMicrophone() override; 81 bool MicrophoneIsInitialized() const override; 82 83 // Speaker volume controls 84 int32_t SpeakerVolumeIsAvailable(bool& available) override; 85 int32_t SetSpeakerVolume(uint32_t volume) override; 86 int32_t SpeakerVolume(uint32_t& volume) const override; 87 int32_t MaxSpeakerVolume(uint32_t& maxVolume) const override; 88 int32_t MinSpeakerVolume(uint32_t& minVolume) const override; 89 int32_t SpeakerVolumeStepSize(uint16_t& stepSize) const override; 90 91 // Microphone volume controls 92 int32_t MicrophoneVolumeIsAvailable(bool& available) override; 93 int32_t SetMicrophoneVolume(uint32_t volume) override; 94 int32_t MicrophoneVolume(uint32_t& volume) const override; 95 int32_t MaxMicrophoneVolume(uint32_t& maxVolume) const override; 96 int32_t MinMicrophoneVolume(uint32_t& minVolume) const override; 97 int32_t MicrophoneVolumeStepSize(uint16_t& stepSize) const override; 98 99 // Speaker mute control 100 int32_t SpeakerMuteIsAvailable(bool& available) override; 101 int32_t SetSpeakerMute(bool enable) override; 102 int32_t SpeakerMute(bool& enabled) const override; 103 104 // Microphone mute control 105 int32_t MicrophoneMuteIsAvailable(bool& available) override; 106 int32_t SetMicrophoneMute(bool enable) override; 107 int32_t MicrophoneMute(bool& enabled) const override; 108 109 // Microphone boost control 110 int32_t MicrophoneBoostIsAvailable(bool& available) override; 111 int32_t SetMicrophoneBoost(bool enable) override; 112 int32_t MicrophoneBoost(bool& enabled) const override; 113 114 // Stereo support 115 int32_t StereoPlayoutIsAvailable(bool& available) override; 116 int32_t SetStereoPlayout(bool enable) override; 117 int32_t StereoPlayout(bool& enabled) const override; 118 int32_t StereoRecordingIsAvailable(bool& available) override; 119 int32_t SetStereoRecording(bool enable) override; 120 int32_t StereoRecording(bool& enabled) const override; 121 122 // Delay information and control 123 int32_t SetPlayoutBuffer(const AudioDeviceModule::BufferType type, 124 uint16_t sizeMS) override; 125 int32_t PlayoutBuffer(AudioDeviceModule::BufferType& type, 126 uint16_t& sizeMS) const override; 127 int32_t PlayoutDelay(uint16_t& delayMS) const override; 128 int32_t RecordingDelay(uint16_t& delayMS) const override; 129 130 // CPU load 131 int32_t CPULoad(uint16_t& load) const override; 132 133 bool PlayoutWarning() const override; 134 bool PlayoutError() const override; 135 bool RecordingWarning() const override; 136 bool RecordingError() const override; 137 void ClearPlayoutWarning() override; 138 void ClearPlayoutError() override; 139 void ClearRecordingWarning() override; 140 void ClearRecordingError() override; 141 142 void AttachAudioBuffer(AudioDeviceBuffer* audioBuffer) override; 143 }; 144 145 } // namespace webrtc 146 147 #endif // WEBRTC_AUDIO_DEVICE_AUDIO_DEVICE_DUMMY_H 148
