Retired Document
Important: This sample code may not represent best practices for current development. The project may use deprecated symbols and illustrate technologies and techniques that are no longer recommended.
Relevant replacement documents include:
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 |
Copyright © 2012 Apple Inc. All Rights Reserved. Terms of Use | Privacy Policy | Updated: 2012-10-16