diff options
| author | 2012-03-09 15:09:58 -0800 | |
|---|---|---|
| committer | 2012-03-09 15:09:58 -0800 | |
| commit | 66da3fdce4dc61f7d1c125eda9b2e065658cc0e5 (patch) | |
| tree | e819af92b584beab393add054326526990c4a103 | |
| parent | d6f3d00b602c16fe4f67932d8f6b47f42fa9bf73 (diff) | |
| parent | 972efafb90b543eea51aa5b23104d469a1bcc1fb (diff) | |
am 972efafb: am 6db6ea02: Merge changes I00c852e4,Ib31bf028
* commit '972efafb90b543eea51aa5b23104d469a1bcc1fb':
stagefright aacenc: Avoid overflows when calculating normFactor
stagefright aacenc: Avoid a division by zero
| -rw-r--r-- | media/libstagefright/codecs/aacenc/src/adj_thr.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/media/libstagefright/codecs/aacenc/src/adj_thr.c b/media/libstagefright/codecs/aacenc/src/adj_thr.c index 373b06303985..07b33b7ff8a4 100644 --- a/media/libstagefright/codecs/aacenc/src/adj_thr.c +++ b/media/libstagefright/codecs/aacenc/src/adj_thr.c @@ -438,7 +438,7 @@ static void correctThresh(PSY_OUT_CHANNEL psyOutChannel[MAX_CHANNELS], for (sfb=0; sfb<psyOutChan->maxSfbPerGroup; sfb++) { Word32 redThrExp = thrExp[ch][sfbGrp+sfb] + redVal; - if (((*pahFlag < AH_ACTIVE) || (deltaPe > 0)) && (redThrExp > 0) ) { + if (((*pahFlag < AH_ACTIVE) || (deltaPe > 0)) && (redThrExp > 0) && (redThrExp >= *psfbNActiveLines)) { *psfbPeFactors = (*psfbNActiveLines) * (0x7fffffff / redThrExp); normFactor = L_add(normFactor, *psfbPeFactors); @@ -466,7 +466,7 @@ static void correctThresh(PSY_OUT_CHANNEL psyOutChannel[MAX_CHANNELS], deltaSfbPe = *psfbPeFactors * deltaPe; /* thr3(n) = thr2(n)*2^deltaSfbPe/b(n) */ - if (*psfbNActiveLines > 0) { + if (*psfbNActiveLines > 0 && (normFactor* (*psfbNActiveLines)) != 0) { /* new threshold */ Word32 thrFactor; sfbEn = psyOutChan->sfbEnergy[sfbGrp+sfb]; |