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| author | Michael Niedermayer <michaelni@gmx.at> | 2015-03-14 17:11:59 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2015-03-14 17:32:12 +0100 |
| commit | a48b24e5ebdb21d25512ac481a1d396e7685f0a4 (patch) | |
| tree | e7316457e236badd7aba2664dddb3995bc042915 | |
| parent | 73ebbfdff0bb2c22e3b5c14b11485e5798a317fd (diff) | |
| download | ffmpeg-a48b24e5ebdb21d25512ac481a1d396e7685f0a4.tar.gz | |
avcodec/wmadec: Fix undefined shift in wma_decode_block()
Found-by: Clang -fsanitize=shift
Reported-by: Thierry Foucu <tfoucu@google.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
| -rw-r--r-- | libavcodec/wmadec.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/wmadec.c b/libavcodec/wmadec.c index d80bd2bb71..ffbf511adc 100644 --- a/libavcodec/wmadec.c +++ b/libavcodec/wmadec.c @@ -697,7 +697,7 @@ static int wma_decode_block(WMACodecContext *s) /* very high freqs : noise */ n = s->block_len - s->coefs_end[bsize]; - mult1 = mult * exponents[((-1 << bsize)) >> esize]; + mult1 = mult * exponents[(-(1 << bsize)) >> esize]; for (i = 0; i < n; i++) { *coefs++ = s->noise_table[s->noise_index] * mult1; s->noise_index = (s->noise_index + 1) & (NOISE_TAB_SIZE - 1); |