Commit e8298a73 authored Dec 29, 2015 by Ryszard Grzesica Committed by Rohit Yengisetty Apr 17, 2018

Add check preventing div0 issue

There might be a scenario while period is zero or after including
precision would be zero, prevent from division in that case and
return false (to use previously used period).

Bug: 73898703
bug: 74067957
Test: run playback as stability test

Change-Id: I3fad1060b095b7b5ea4c1f9cb3f9d42a4c503560
(cherry picked from commit 27e47ce3)

parent 57ccfe17

media/libstagefright/VideoFrameScheduler.cpp

+5 −0

Original line number	Original line	Diff line number	Diff line
	@@ -129,6 +129,11 @@ bool VideoFrameScheduler::PLL::fit(
	numSamplesToUse = mNumSamples;		numSamplesToUse = mNumSamples;
	}		}

			if ((period >> kPrecision) == 0 ) {
			ALOGW("Period is 0, or after including precision is 0 - would cause div0, returning");
			return false;
			}

	int64_t sumX = 0;		int64_t sumX = 0;
	int64_t sumXX = 0;		int64_t sumXX = 0;
	int64_t sumXY = 0;		int64_t sumXY = 0;