619     unsigned long diff, minDiff = 1, maxDiff = 0;  in findPitchPeriodInRange()  local
635 	if(diff*bestPeriod < minDiff*period) {  in findPitchPeriodInRange()
636 	    minDiff = diff;  in findPitchPeriodInRange()
644     *retMinDiff = minDiff/bestPeriod;  in findPitchPeriodInRange()
654     int minDiff,  in prevPeriodBetter()  argument
658     if(minDiff == 0 || stream->prevPeriod == 0) {  in prevPeriodBetter()
662 	if(maxDiff > minDiff*3) {  in prevPeriodBetter()
666 	if(minDiff*2 <= stream->prevMinDiff*3) {  in prevPeriodBetter()
671 	if(minDiff <= stream->prevMinDiff) {  in prevPeriodBetter()
690     int minDiff, maxDiff, retPeriod;  in findPitchPeriod()  local
698 	period = findPitchPeriodInRange(samples, minPeriod, maxPeriod, &minDiff, &maxDiff);  in findPitchPeriod()
702 	    maxPeriod/skip, &minDiff, &maxDiff);  in findPitchPeriod()
715 		    &minDiff, &maxDiff);  in findPitchPeriod()
719 		    maxPeriod, &minDiff, &maxDiff);  in findPitchPeriod()
723     if(prevPeriodBetter(stream, period, minDiff, maxDiff, preferNewPeriod)) {  in findPitchPeriod()
728     stream->prevMinDiff = minDiff;  in findPitchPeriod()