2017-02-02 17:24:40 +01:00
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//
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// libtgvoip is free and unencumbered public domain software.
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// For more information, see http://unlicense.org or the UNLICENSE file
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// you should have received with this source code distribution.
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//
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#ifndef LIBTGVOIP_AUDIOUNITIO_H
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#define LIBTGVOIP_AUDIOUNITIO_H
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#include <AudioUnit/AudioUnit.h>
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2017-03-30 16:06:59 +02:00
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#include "../../threading.h"
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2017-02-02 17:24:40 +01:00
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class CAudioInputAudioUnit;
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class CAudioOutputAudioUnit;
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class CAudioUnitIO{
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public:
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CAudioUnitIO();
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~CAudioUnitIO();
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void Configure(uint32_t sampleRate, uint32_t bitsPerSample, uint32_t channels);
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void AttachInput(CAudioInputAudioUnit* i);
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void AttachOutput(CAudioOutputAudioUnit* o);
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void DetachInput();
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void DetachOutput();
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void EnableInput(bool enabled);
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void EnableOutput(bool enabled);
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static CAudioUnitIO* Get();
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static void Release();
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2017-03-30 16:06:59 +02:00
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static void* StartFakeIOThread(void* arg);
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static void AudioSessionAcquired();
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2017-02-02 17:24:40 +01:00
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private:
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static OSStatus BufferCallback(void *inRefCon, AudioUnitRenderActionFlags *ioActionFlags, const AudioTimeStamp *inTimeStamp, UInt32 inBusNumber, UInt32 inNumberFrames, AudioBufferList *ioData);
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void BufferCallback(AudioUnitRenderActionFlags *ioActionFlags, const AudioTimeStamp *inTimeStamp, UInt32 bus, UInt32 numFrames, AudioBufferList* ioData);
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2017-03-30 16:06:59 +02:00
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void RunFakeIOThread();
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void Init();
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void ActuallyConfigure(uint32_t sampleRate, uint32_t bitsPerSample, uint32_t channels);
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void ProcessAudioSessionAcquired();
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2017-02-02 17:24:40 +01:00
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AudioComponentInstance unit;
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CAudioInputAudioUnit* input;
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CAudioOutputAudioUnit* output;
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AudioBufferList inBufferList;
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bool configured;
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bool inputEnabled;
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bool outputEnabled;
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2017-03-30 16:06:59 +02:00
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bool runFakeIO;
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uint32_t cfgSampleRate;
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uint32_t cfgBitsPerSample;
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uint32_t cfgChannels;
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tgvoip_thread_t fakeIOThread;
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static int refCount;
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static CAudioUnitIO* sharedInstance;
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2017-03-30 16:06:59 +02:00
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static bool haveAudioSession;
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2017-02-02 17:24:40 +01:00
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};
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#endif /* LIBTGVOIP_AUDIOUNITIO_H */
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