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avcodec/hq_hqadsp: Fix runtime error: signed integer overflow: 80359 * 30274 cannot be represented in type 'int'

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Fixes: 1507/clusterfuzz-testcase-minimized-4955228300378112

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2017-05-13 01:12:35 +02:00
parent 5ac17f187a
commit e664882523
1 changed files with 1 additions and 1 deletions
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libavcodec/hq_hqadsp.c
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@ -30,7 +30,7 @@
#define FIX_1_414 23170
#define FIX_2_613 21407 // divided by two to fit the range
#define IDCTMUL(a, b) ((a) * (b) >> 16)
#define IDCTMUL(a, b) ((int)((a) * (unsigned)(b)) >> 16)
static inline void idct_row(int16_t *blk)
{