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avcodec/g726: Add missing ADDB output mask

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Fixes: 1.poc
Fixes out of array read

Found-by: 连一汉 <lianyihan@360.cn>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit a5af1240fc)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2016-09-14 13:06:53 +02:00
parent 26a8fc1c00
commit 9357aa6757
1 changed files with 1 additions and 1 deletions
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2
libavcodec/g726.c
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@ -206,7 +206,7 @@ static int16_t g726_decode(G726Context* c, int I)
if (I_sig) /* get the sign */
dq = -dq;
re_signal = c->se + dq;
re_signal = (int16_t)(c->se + dq);
/* Update second order predictor coefficient A2 and A1 */
pk0 = (c->sez + dq) ? sgn(c->sez + dq) : 0;