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libtgvoip/os/darwin/AudioUnitIO.h
Grishka bfd5cfecb3 - Use VoiceProcessingIO on OS X 10.7 and higher
- Apply AGC after AEC/NS to work around loud echo on desktops
- Fixed (?) mic muting on Windows
2017-08-01 20:17:44 +03:00

60 lines
1.9 KiB
C++

//
// libtgvoip is free and unencumbered public domain software.
// For more information, see http://unlicense.org or the UNLICENSE file
// you should have received with this source code distribution.
//
#ifndef LIBTGVOIP_AUDIOUNITIO_H
#define LIBTGVOIP_AUDIOUNITIO_H
#include <AudioUnit/AudioUnit.h>
#include <AudioToolbox/AudioToolbox.h>
#include "../../threading.h"
#include <string>
namespace tgvoip{ namespace audio{
class AudioInputAudioUnit;
class AudioOutputAudioUnit;
class AudioUnitIO{
public:
AudioUnitIO();
~AudioUnitIO();
void Configure(uint32_t sampleRate, uint32_t bitsPerSample, uint32_t channels);
void AttachInput(AudioInputAudioUnit* i);
void AttachOutput(AudioOutputAudioUnit* o);
void DetachInput();
void DetachOutput();
void EnableInput(bool enabled);
void EnableOutput(bool enabled);
bool IsFailed();
static AudioUnitIO* Get();
static void Release();
#if TARGET_OS_OSX
void SetCurrentDevice(bool input, std::string deviceID);
#endif
private:
static OSStatus BufferCallback(void *inRefCon, AudioUnitRenderActionFlags *ioActionFlags, const AudioTimeStamp *inTimeStamp, UInt32 inBusNumber, UInt32 inNumberFrames, AudioBufferList *ioData);
void BufferCallback(AudioUnitRenderActionFlags *ioActionFlags, const AudioTimeStamp *inTimeStamp, UInt32 bus, UInt32 numFrames, AudioBufferList* ioData);
void StartIfNeeded();
#if TARGET_OS_OSX
static OSStatus DefaultDeviceChangedCallback(AudioObjectID inObjectID, UInt32 inNumberAddresses, const AudioObjectPropertyAddress *inAddresses, void *inClientData);
std::string currentInputDevice;
std::string currentOutputDevice;
#endif
AudioComponentInstance unit;
AudioInputAudioUnit* input;
AudioOutputAudioUnit* output;
AudioBufferList inBufferList;
bool inputEnabled;
bool outputEnabled;
bool failed;
bool started;
static int refCount;
static AudioUnitIO* sharedInstance;
};
}}
#endif /* LIBTGVOIP_AUDIOUNITIO_H */