Merge branch 'jb-mr1-release' of https://android.googlesource.com/platform/external/aac into mr1-stagingcm-10.1.3-RC2cm-10.1.3-RC1cm-10.1.3cm-10.1.2cm-10.1.1cm-10.1.0-RC5cm-10.1.0-RC4cm-10.1.0-RC3cm-10.1.0-RC2cm-10.1.0-RC1cm-10.1.0cm-10.1-M3cm-10.1-M2cm-10.1-M1mr1.1-stagingcm-10.1

1 files changed, 16 insertions, 6 deletions

diff --git a/libAACenc/src/quantize.cpp b/libAACenc/src/quantize.cpp
index 9694901..a1698a8 100644
--- a/libAACenc/src/quantize.cpp
+++ b/libAACenc/src/quantize.cpp
@@ -313,6 +313,9 @@ FIXP_DBL FDKaacEnc_calcSfbDist(FIXP_DBL *mdctSpectrum,
                  &mdctSpectrum[i],
                  &quantSpectrum[i]);
 
+    if (fAbs(quantSpectrum[i])>MAX_QUANT) {
+      return FL2FXCONST_DBL(0.0f);
+    }
     /* inverse quantization */
     FDKaacEnc_invQuantizeLines(gain,1,&quantSpectrum[i],&invQuantSpec);
 
@@ -355,15 +358,22 @@ void FDKaacEnc_calcSfbQuantEnergyAndDist(FIXP_DBL *mdctSpectrum,
   FIXP_DBL invQuantSpec;
   FIXP_DBL diff;
 
-  *en   = FL2FXCONST_DBL(0.0f);
-  *dist = FL2FXCONST_DBL(0.0f);
+  FIXP_DBL energy = FL2FXCONST_DBL(0.0f);
+  FIXP_DBL distortion = FL2FXCONST_DBL(0.0f);
 
   for (i=0; i<noOfLines; i++) {
+
+    if (fAbs(quantSpectrum[i])>MAX_QUANT) {
+      *en   = FL2FXCONST_DBL(0.0f);
+      *dist = FL2FXCONST_DBL(0.0f);
+      return;
+    }
+
     /* inverse quantization */
     FDKaacEnc_invQuantizeLines(gain,1,&quantSpectrum[i],&invQuantSpec);
 
     /* energy */
-    *en += fPow2(invQuantSpec);
+    energy += fPow2(invQuantSpec);
 
     /* dist */
     diff = fixp_abs(fixp_abs(invQuantSpec) - fixp_abs(mdctSpectrum[i]>>1));
@@ -376,10 +386,10 @@ void FDKaacEnc_calcSfbQuantEnergyAndDist(FIXP_DBL *mdctSpectrum,
 
     diff = scaleValue(diff, -scale);
 
-    *dist += diff;
+    distortion += diff;
   }
 
-  *en   = CalcLdData(*en)+FL2FXCONST_DBL(0.03125f);
-  *dist = CalcLdData(*dist);
+  *en   = CalcLdData(energy)+FL2FXCONST_DBL(0.03125f);
+  *dist = CalcLdData(distortion);
 }