Searched refs:rawSnapshot (Results 1 - 2 of 2) sorted by relevance

/macosx-10.10/IOAudioFamily-200.6/
H A DIOAudioTimeIntervalFilter.cpp140 uint64_t rawSnapshot = __OSAbsoluteTime(rawSnapshotAT); local
154 mIntervalTimeHistory[mIntervalTimeHistoryPointer] = rawSnapshot;
167 filteredSnapshot = calculateNewTimePosition ( rawSnapshot );
244 uint64_t IOAudioTimeIntervalFilterIIR::calculateNewTimePosition(uint64_t rawSnapshot) argument
249 // Because our filter is initialised with a value prior to the rawSnapshot, there is a possibility that
253 rawSnapshot += offset;
258 mFilteredSnapshot = (U128(rawSnapshot) - ( U128( mExpectedInterval ) << mIIRCoef )) << mIIRCoef;
259 IIR( &mFilteredSnapshot, U128(rawSnapshot) << mIIRCoef, mIIRCoef );
261 U128 raw_offset = ( U128(rawSnapshot) << mIIRCoef ) - mFilteredSnapshot;
271 IIR( &mFilteredSnapshot, U128(rawSnapshot) << mIIRCoe
426 calculateNewTimePosition(uint64_t rawSnapshot) argument
[all...]
H A DIOAudioTimeIntervalFilter.h58 @param rawSnapshot The raw time position. These should be approximately occurring every ExpectedInterval
62 virtual AbsoluteTime newTimePosition(AbsoluteTime rawSnapshot);
108 @param rawSnapshot Raw filter value
111 virtual uint64_t calculateNewTimePosition(uint64_t rawSnapshot) = 0;
176 virtual uint64_t calculateNewTimePosition(uint64_t rawSnapshot);
231 virtual uint64_t calculateNewTimePosition(uint64_t rawSnapshot);

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