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avcodec/aac_defines: Add missing () to AAC_HALF_SUM() macro

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Fixes: runtime error: shift exponent 1073741848 is too large for 32-bit type 'INTFLOAT' (aka 'int')
Fixes: 1880/clusterfuzz-testcase-minimized-4900645322620928

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2017-05-28 20:08:49 +02:00
parent 67020711b7
commit 872bac8159
1 changed files with 1 additions and 1 deletions
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2
libavcodec/aac_defines.h
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@ -72,7 +72,7 @@ typedef int AAC_SIGNE;
#define AAC_MSUB31_V3(x, y, z) (int)((((int64_t)(x) * (z)) - \
((int64_t)(y) * (z)) + \
0x40000000) >> 31)
#define AAC_HALF_SUM(x, y) (x) >> 1 + (y) >> 1
#define AAC_HALF_SUM(x, y) (((x) >> 1) + ((y) >> 1))
#define AAC_SRA_R(x, y) (int)(((x) + (1 << ((y) - 1))) >> (y))
#else