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authorJean-Michel Trivi <jmtrivi@google.com>2018-12-27 11:32:48 -0800
committerandroid-build-merger <android-build-merger@google.com>2018-12-27 11:32:48 -0800
commit207025dc96dfa24027ed86bdce3bc99449e33716 (patch)
tree4aa588e58613c5e5890f1cb9967e1fc634dfdd19 /libSBRdec
parentceafe133b4088ff30c07678d1700611085af3bab (diff)
parentcce1e2106d431a65c02e056839b6b0a6aff50085 (diff)
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Merge "Limit too large shift exponent in apply_inter_tes()" am: f828d3e16a am: 2027969e1f
am: cce1e2106d Change-Id: Ifeeb188cfd4bc57d7c40d102188614a3d61cc333
Diffstat (limited to 'libSBRdec')
-rw-r--r--libSBRdec/src/env_calc.cpp6
1 files changed, 4 insertions, 2 deletions
diff --git a/libSBRdec/src/env_calc.cpp b/libSBRdec/src/env_calc.cpp
index 10c73ec..cb1474f 100644
--- a/libSBRdec/src/env_calc.cpp
+++ b/libSBRdec/src/env_calc.cpp
@@ -626,7 +626,8 @@ static void apply_inter_tes(FIXP_DBL **qmfReal, FIXP_DBL **qmfImag,
total_power_low >>= diff;
total_power_low_sf = new_summand_sf;
} else if (new_summand_sf < total_power_low_sf) {
- new_summand >>= total_power_low_sf - new_summand_sf;
+ new_summand >>=
+ fMin(DFRACT_BITS - 1, total_power_low_sf - new_summand_sf);
}
total_power_low += (new_summand >> preShift2);
@@ -638,7 +639,8 @@ static void apply_inter_tes(FIXP_DBL **qmfReal, FIXP_DBL **qmfImag,
fMin(DFRACT_BITS - 1, new_summand_sf - total_power_high_sf);
total_power_high_sf = new_summand_sf;
} else if (new_summand_sf < total_power_high_sf) {
- new_summand >>= total_power_high_sf - new_summand_sf;
+ new_summand >>=
+ fMin(DFRACT_BITS - 1, total_power_high_sf - new_summand_sf);
}
total_power_high += (new_summand >> preShift2);