1 //
2 // libtgvoip is free and unencumbered public domain software.
3 // For more information, see http://unlicense.org or the UNLICENSE file
4 // you should have received with this source code distribution.
5 //
6 
7 #ifndef LIBTGVOIP_AUDIOINPUTAUDIOUNIT_OSX_H
8 #define LIBTGVOIP_AUDIOINPUTAUDIOUNIT_OSX_H
9 
10 #include <AudioUnit/AudioUnit.h>
11 #import <AudioToolbox/AudioToolbox.h>
12 #import <CoreAudio/CoreAudio.h>
13 #include "../../audio/AudioInput.h"
14 
15 namespace tgvoip{ namespace audio{
16 class AudioInputAudioUnitLegacy : public AudioInput{
17 
18 public:
19 	AudioInputAudioUnitLegacy(std::string deviceID);
20 	virtual ~AudioInputAudioUnitLegacy();
21 	virtual void Start();
22 	virtual void Stop();
23 	void HandleBufferCallback(AudioBufferList* ioData);
24 	static void EnumerateDevices(std::vector<AudioInputDevice>& devs);
25 	virtual void SetCurrentDevice(std::string deviceID);
26 
27 private:
28 	static OSStatus BufferCallback(void *inRefCon, AudioUnitRenderActionFlags *ioActionFlags, const AudioTimeStamp *inTimeStamp, UInt32 inBusNumber, UInt32 inNumberFrames, AudioBufferList *ioData);
29 	static OSStatus DefaultDeviceChangedCallback(AudioObjectID inObjectID, UInt32 inNumberAddresses, const AudioObjectPropertyAddress *inAddresses, void *inClientData);
30 	unsigned char remainingData[10240];
31 	size_t remainingDataSize;
32 	bool isRecording;
33 	AudioUnit unit;
34 	AudioBufferList inBufferList;
35 	int hardwareSampleRate;
36 };
37 }}
38 
39 #endif //LIBTGVOIP_AUDIOINPUTAUDIOUNIT_OSX_H
40