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-rw-r--r--libavcodec/aacsbr_fixed.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/libavcodec/aacsbr_fixed.c b/libavcodec/aacsbr_fixed.c
index b15a963ebf..adca573a29 100644
--- a/libavcodec/aacsbr_fixed.c
+++ b/libavcodec/aacsbr_fixed.c
@@ -288,6 +288,8 @@ static void sbr_hf_inverse_filter(SBRDSPContext *dsp,
shift = a00.exp;
if (shift >= 3)
alpha0[k][0] = 0x7fffffff;
+ else if (shift <= -30)
+ alpha0[k][0] = 0;
else {
a00.mant *= 2;
shift = 2-shift;
@@ -302,6 +304,8 @@ static void sbr_hf_inverse_filter(SBRDSPContext *dsp,
shift = a01.exp;
if (shift >= 3)
alpha0[k][1] = 0x7fffffff;
+ else if (shift <= -30)
+ alpha0[k][1] = 0;
else {
a01.mant *= 2;
shift = 2-shift;
@@ -315,6 +319,8 @@ static void sbr_hf_inverse_filter(SBRDSPContext *dsp,
shift = a10.exp;
if (shift >= 3)
alpha1[k][0] = 0x7fffffff;
+ else if (shift <= -30)
+ alpha1[k][0] = 0;
else {
a10.mant *= 2;
shift = 2-shift;
@@ -329,6 +335,8 @@ static void sbr_hf_inverse_filter(SBRDSPContext *dsp,
shift = a11.exp;
if (shift >= 3)
alpha1[k][1] = 0x7fffffff;
+ else if (shift <= -30)
+ alpha1[k][1] = 0;
else {
a11.mant *= 2;
shift = 2-shift;