1 /* 2 * Copyright (c) 2011 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_MIXER_MANAGER_MAC_H 12 #define WEBRTC_AUDIO_DEVICE_AUDIO_MIXER_MANAGER_MAC_H 13 14 #include "webrtc/modules/audio_device/include/audio_device.h" 15 #include "webrtc/system_wrappers/include/critical_section_wrapper.h" 16 #include "webrtc/typedefs.h" 17 18 #include <CoreAudio/CoreAudio.h> 19 20 namespace webrtc { 21 22 class AudioMixerManagerMac { 23 public: 24 int32_t OpenSpeaker(AudioDeviceID deviceID); 25 int32_t OpenMicrophone(AudioDeviceID deviceID); 26 int32_t SetSpeakerVolume(uint32_t volume); 27 int32_t SpeakerVolume(uint32_t& volume) const; 28 int32_t MaxSpeakerVolume(uint32_t& maxVolume) const; 29 int32_t MinSpeakerVolume(uint32_t& minVolume) const; 30 int32_t SpeakerVolumeStepSize(uint16_t& stepSize) const; 31 int32_t SpeakerVolumeIsAvailable(bool& available); 32 int32_t SpeakerMuteIsAvailable(bool& available); 33 int32_t SetSpeakerMute(bool enable); 34 int32_t SpeakerMute(bool& enabled) const; 35 int32_t StereoPlayoutIsAvailable(bool& available); 36 int32_t StereoRecordingIsAvailable(bool& available); 37 int32_t MicrophoneMuteIsAvailable(bool& available); 38 int32_t SetMicrophoneMute(bool enable); 39 int32_t MicrophoneMute(bool& enabled) const; 40 int32_t MicrophoneBoostIsAvailable(bool& available); 41 int32_t SetMicrophoneBoost(bool enable); 42 int32_t MicrophoneBoost(bool& enabled) const; 43 int32_t MicrophoneVolumeIsAvailable(bool& available); 44 int32_t SetMicrophoneVolume(uint32_t volume); 45 int32_t MicrophoneVolume(uint32_t& volume) const; 46 int32_t MaxMicrophoneVolume(uint32_t& maxVolume) const; 47 int32_t MinMicrophoneVolume(uint32_t& minVolume) const; 48 int32_t MicrophoneVolumeStepSize(uint16_t& stepSize) const; 49 int32_t Close(); 50 int32_t CloseSpeaker(); 51 int32_t CloseMicrophone(); 52 bool SpeakerIsInitialized() const; 53 bool MicrophoneIsInitialized() const; 54 55 public: 56 AudioMixerManagerMac(const int32_t id); 57 ~AudioMixerManagerMac(); 58 59 private: 60 static void logCAMsg(const TraceLevel level, 61 const TraceModule module, 62 const int32_t id, 63 const char* msg, 64 const char* err); 65 66 private: 67 CriticalSectionWrapper& _critSect; 68 int32_t _id; 69 70 AudioDeviceID _inputDeviceID; 71 AudioDeviceID _outputDeviceID; 72 73 uint16_t _noInputChannels; 74 uint16_t _noOutputChannels; 75 }; 76 77 } // namespace webrtc 78 79 #endif // AUDIO_MIXER_MAC_H 80