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/*
* Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#ifndef AUDIO_DEVICE_AUDIO_MIXER_MANAGER_MAC_H_
#define AUDIO_DEVICE_AUDIO_MIXER_MANAGER_MAC_H_
#include <CoreAudio/CoreAudio.h>
#include "modules/audio_device/include/audio_device.h"
#include "rtc_base/logging.h"
#include "rtc_base/synchronization/mutex.h"
namespace webrtc {
class AudioMixerManagerMac {
public:
int32_t OpenSpeaker(AudioDeviceID deviceID) RTC_LOCKS_EXCLUDED(mutex_);
int32_t OpenMicrophone(AudioDeviceID deviceID) RTC_LOCKS_EXCLUDED(mutex_);
int32_t SetSpeakerVolume(uint32_t volume) RTC_LOCKS_EXCLUDED(mutex_);
int32_t SpeakerVolume(uint32_t& volume) const;
int32_t MaxSpeakerVolume(uint32_t& maxVolume) const;
int32_t MinSpeakerVolume(uint32_t& minVolume) const;
int32_t SpeakerVolumeIsAvailable(bool& available);
int32_t SpeakerMuteIsAvailable(bool& available);
int32_t SetSpeakerMute(bool enable) RTC_LOCKS_EXCLUDED(mutex_);
int32_t SpeakerMute(bool& enabled) const;
int32_t StereoPlayoutIsAvailable(bool& available);
int32_t StereoRecordingIsAvailable(bool& available);
int32_t MicrophoneMuteIsAvailable(bool& available);
int32_t SetMicrophoneMute(bool enable) RTC_LOCKS_EXCLUDED(mutex_);
int32_t MicrophoneMute(bool& enabled) const;
int32_t MicrophoneVolumeIsAvailable(bool& available);
int32_t SetMicrophoneVolume(uint32_t volume) RTC_LOCKS_EXCLUDED(mutex_);
int32_t MicrophoneVolume(uint32_t& volume) const;
int32_t MaxMicrophoneVolume(uint32_t& maxVolume) const;
int32_t MinMicrophoneVolume(uint32_t& minVolume) const;
int32_t Close() RTC_LOCKS_EXCLUDED(mutex_);
int32_t CloseSpeaker() RTC_LOCKS_EXCLUDED(mutex_);
int32_t CloseMicrophone() RTC_LOCKS_EXCLUDED(mutex_);
bool SpeakerIsInitialized() const;
bool MicrophoneIsInitialized() const;
public:
AudioMixerManagerMac();
~AudioMixerManagerMac();
private:
int32_t CloseSpeakerLocked() RTC_EXCLUSIVE_LOCKS_REQUIRED(mutex_);
int32_t CloseMicrophoneLocked() RTC_EXCLUSIVE_LOCKS_REQUIRED(mutex_);
static void logCAMsg(rtc::LoggingSeverity sev,
const char* msg,
const char* err);
private:
Mutex mutex_;
AudioDeviceID _inputDeviceID;
AudioDeviceID _outputDeviceID;
uint16_t _noInputChannels;
uint16_t _noOutputChannels;
};
} // namespace webrtc
#endif // AUDIO_MIXER_MAC_H
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