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 AUDIO_DEVICE_AUDIO_MIXER_MANAGER_MAC_H_ 12 #define AUDIO_DEVICE_AUDIO_MIXER_MANAGER_MAC_H_ 13 14 #include <CoreAudio/CoreAudio.h> 15 16 #include "modules/audio_device/include/audio_device.h" 17 #include "rtc_base/logging.h" 18 #include "rtc_base/synchronization/mutex.h" 19 20 namespace webrtc { 21 22 class AudioMixerManagerMac { 23 public: 24 int32_t OpenSpeaker(AudioDeviceID deviceID) RTC_LOCKS_EXCLUDED(mutex_); 25 int32_t OpenMicrophone(AudioDeviceID deviceID) RTC_LOCKS_EXCLUDED(mutex_); 26 int32_t SetSpeakerVolume(uint32_t volume) RTC_LOCKS_EXCLUDED(mutex_); 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 SpeakerVolumeIsAvailable(bool& available); 31 int32_t SpeakerMuteIsAvailable(bool& available); 32 int32_t SetSpeakerMute(bool enable) RTC_LOCKS_EXCLUDED(mutex_); 33 int32_t SpeakerMute(bool& enabled) const; 34 int32_t StereoPlayoutIsAvailable(bool& available); 35 int32_t StereoRecordingIsAvailable(bool& available); 36 int32_t MicrophoneMuteIsAvailable(bool& available); 37 int32_t SetMicrophoneMute(bool enable) RTC_LOCKS_EXCLUDED(mutex_); 38 int32_t MicrophoneMute(bool& enabled) const; 39 int32_t MicrophoneVolumeIsAvailable(bool& available); 40 int32_t SetMicrophoneVolume(uint32_t volume) RTC_LOCKS_EXCLUDED(mutex_); 41 int32_t MicrophoneVolume(uint32_t& volume) const; 42 int32_t MaxMicrophoneVolume(uint32_t& maxVolume) const; 43 int32_t MinMicrophoneVolume(uint32_t& minVolume) const; 44 int32_t Close() RTC_LOCKS_EXCLUDED(mutex_); 45 int32_t CloseSpeaker() RTC_LOCKS_EXCLUDED(mutex_); 46 int32_t CloseMicrophone() RTC_LOCKS_EXCLUDED(mutex_); 47 bool SpeakerIsInitialized() const; 48 bool MicrophoneIsInitialized() const; 49 50 public: 51 AudioMixerManagerMac(); 52 ~AudioMixerManagerMac(); 53 54 private: 55 int32_t CloseSpeakerLocked() RTC_EXCLUSIVE_LOCKS_REQUIRED(mutex_); 56 int32_t CloseMicrophoneLocked() RTC_EXCLUSIVE_LOCKS_REQUIRED(mutex_); 57 static void logCAMsg(const rtc::LoggingSeverity sev, 58 const char* msg, 59 const char* err); 60 61 private: 62 Mutex mutex_; 63 64 AudioDeviceID _inputDeviceID; 65 AudioDeviceID _outputDeviceID; 66 67 uint16_t _noInputChannels; 68 uint16_t _noOutputChannels; 69 }; 70 71 } // namespace webrtc 72 73 #endif // AUDIO_MIXER_MAC_H 74