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: AudioDeviceDummy(const int32_t id)22 AudioDeviceDummy(const int32_t id) {} ~AudioDeviceDummy()23 virtual ~AudioDeviceDummy() {} 24 25 // Retrieve the currently utilized audio layer 26 virtual int32_t ActiveAudioLayer( 27 AudioDeviceModule::AudioLayer& audioLayer) const OVERRIDE; 28 29 // Main initializaton and termination 30 virtual int32_t Init() OVERRIDE; 31 virtual int32_t Terminate() OVERRIDE; 32 virtual bool Initialized() const OVERRIDE; 33 34 // Device enumeration 35 virtual int16_t PlayoutDevices() OVERRIDE; 36 virtual int16_t RecordingDevices() OVERRIDE; 37 virtual int32_t PlayoutDeviceName(uint16_t index, 38 char name[kAdmMaxDeviceNameSize], 39 char guid[kAdmMaxGuidSize]) OVERRIDE; 40 virtual int32_t RecordingDeviceName(uint16_t index, 41 char name[kAdmMaxDeviceNameSize], 42 char guid[kAdmMaxGuidSize]) OVERRIDE; 43 44 // Device selection 45 virtual int32_t SetPlayoutDevice(uint16_t index) OVERRIDE; 46 virtual int32_t SetPlayoutDevice( 47 AudioDeviceModule::WindowsDeviceType device) OVERRIDE; 48 virtual int32_t SetRecordingDevice(uint16_t index) OVERRIDE; 49 virtual int32_t SetRecordingDevice( 50 AudioDeviceModule::WindowsDeviceType device) OVERRIDE; 51 52 // Audio transport initialization 53 virtual int32_t PlayoutIsAvailable(bool& available) OVERRIDE; 54 virtual int32_t InitPlayout() OVERRIDE; 55 virtual bool PlayoutIsInitialized() const OVERRIDE; 56 virtual int32_t RecordingIsAvailable(bool& available) OVERRIDE; 57 virtual int32_t InitRecording() OVERRIDE; 58 virtual bool RecordingIsInitialized() const OVERRIDE; 59 60 // Audio transport control 61 virtual int32_t StartPlayout() OVERRIDE; 62 virtual int32_t StopPlayout() OVERRIDE; 63 virtual bool Playing() const OVERRIDE; 64 virtual int32_t StartRecording() OVERRIDE; 65 virtual int32_t StopRecording() OVERRIDE; 66 virtual bool Recording() const OVERRIDE; 67 68 // Microphone Automatic Gain Control (AGC) 69 virtual int32_t SetAGC(bool enable) OVERRIDE; 70 virtual bool AGC() const OVERRIDE; 71 72 // Volume control based on the Windows Wave API (Windows only) 73 virtual int32_t SetWaveOutVolume(uint16_t volumeLeft, 74 uint16_t volumeRight) OVERRIDE; 75 virtual int32_t WaveOutVolume(uint16_t& volumeLeft, 76 uint16_t& volumeRight) const OVERRIDE; 77 78 // Audio mixer initialization 79 virtual int32_t InitSpeaker() OVERRIDE; 80 virtual bool SpeakerIsInitialized() const OVERRIDE; 81 virtual int32_t InitMicrophone() OVERRIDE; 82 virtual bool MicrophoneIsInitialized() const OVERRIDE; 83 84 // Speaker volume controls 85 virtual int32_t SpeakerVolumeIsAvailable(bool& available) OVERRIDE; 86 virtual int32_t SetSpeakerVolume(uint32_t volume) OVERRIDE; 87 virtual int32_t SpeakerVolume(uint32_t& volume) const OVERRIDE; 88 virtual int32_t MaxSpeakerVolume(uint32_t& maxVolume) const OVERRIDE; 89 virtual int32_t MinSpeakerVolume(uint32_t& minVolume) const OVERRIDE; 90 virtual int32_t SpeakerVolumeStepSize(uint16_t& stepSize) const OVERRIDE; 91 92 // Microphone volume controls 93 virtual int32_t MicrophoneVolumeIsAvailable(bool& available) OVERRIDE; 94 virtual int32_t SetMicrophoneVolume(uint32_t volume) OVERRIDE; 95 virtual int32_t MicrophoneVolume(uint32_t& volume) const OVERRIDE; 96 virtual int32_t MaxMicrophoneVolume(uint32_t& maxVolume) const OVERRIDE; 97 virtual int32_t MinMicrophoneVolume(uint32_t& minVolume) const OVERRIDE; 98 virtual int32_t MicrophoneVolumeStepSize(uint16_t& stepSize) const OVERRIDE; 99 100 // Speaker mute control 101 virtual int32_t SpeakerMuteIsAvailable(bool& available) OVERRIDE; 102 virtual int32_t SetSpeakerMute(bool enable) OVERRIDE; 103 virtual int32_t SpeakerMute(bool& enabled) const OVERRIDE; 104 105 // Microphone mute control 106 virtual int32_t MicrophoneMuteIsAvailable(bool& available) OVERRIDE; 107 virtual int32_t SetMicrophoneMute(bool enable) OVERRIDE; 108 virtual int32_t MicrophoneMute(bool& enabled) const OVERRIDE; 109 110 // Microphone boost control 111 virtual int32_t MicrophoneBoostIsAvailable(bool& available) OVERRIDE; 112 virtual int32_t SetMicrophoneBoost(bool enable) OVERRIDE; 113 virtual int32_t MicrophoneBoost(bool& enabled) const OVERRIDE; 114 115 // Stereo support 116 virtual int32_t StereoPlayoutIsAvailable(bool& available) OVERRIDE; 117 virtual int32_t SetStereoPlayout(bool enable) OVERRIDE; 118 virtual int32_t StereoPlayout(bool& enabled) const OVERRIDE; 119 virtual int32_t StereoRecordingIsAvailable(bool& available) OVERRIDE; 120 virtual int32_t SetStereoRecording(bool enable) OVERRIDE; 121 virtual int32_t StereoRecording(bool& enabled) const OVERRIDE; 122 123 // Delay information and control 124 virtual int32_t SetPlayoutBuffer(const AudioDeviceModule::BufferType type, 125 uint16_t sizeMS) OVERRIDE; 126 virtual int32_t PlayoutBuffer(AudioDeviceModule::BufferType& type, 127 uint16_t& sizeMS) const OVERRIDE; 128 virtual int32_t PlayoutDelay(uint16_t& delayMS) const OVERRIDE; 129 virtual int32_t RecordingDelay(uint16_t& delayMS) const OVERRIDE; 130 131 // CPU load 132 virtual int32_t CPULoad(uint16_t& load) const OVERRIDE; 133 134 virtual bool PlayoutWarning() const OVERRIDE; 135 virtual bool PlayoutError() const OVERRIDE; 136 virtual bool RecordingWarning() const OVERRIDE; 137 virtual bool RecordingError() const OVERRIDE; 138 virtual void ClearPlayoutWarning() OVERRIDE; 139 virtual void ClearPlayoutError() OVERRIDE; 140 virtual void ClearRecordingWarning() OVERRIDE; 141 virtual void ClearRecordingError() OVERRIDE; 142 143 virtual void AttachAudioBuffer(AudioDeviceBuffer* audioBuffer) OVERRIDE; 144 }; 145 146 } // namespace webrtc 147 148 #endif // WEBRTC_AUDIO_DEVICE_AUDIO_DEVICE_DUMMY_H 149