CoreAudio/AudioUnits/AUPublic/Utility/AUSilentTimeout.h
/* |
File: AUSilentTimeout.h |
Abstract: Part of CoreAudio Utility Classes |
Version: 1.1 |
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*/ |
#ifndef __AUSilentTimeout |
#define __AUSilentTimeout |
class AUSilentTimeout |
{ |
public: |
AUSilentTimeout() |
: mTimeoutCounter(0), |
mResetTimer(true) |
{}; |
void Process(UInt32 inFramesToProcess, UInt32 inTimeoutLimit, bool &ioSilence ) |
{ |
if(ioSilence ) |
{ |
if(mResetTimer ) |
{ |
mTimeoutCounter = inTimeoutLimit; |
mResetTimer = false; |
} |
if(mTimeoutCounter > 0 ) |
{ |
mTimeoutCounter -= inFramesToProcess; |
ioSilence = false; |
} |
} |
else |
{ |
// signal to reset the next time we receive silence |
mResetTimer = true; |
} |
} |
void Reset() |
{ |
mResetTimer = true; |
}; |
private: |
SInt32 mTimeoutCounter; |
bool mResetTimer; |
}; |
#endif // __AUSilentTimeout |
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