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avcodec/aacsbr: Fix libavcodec/aacsbr.c:257:59: runtime error: division by zero 

Fixes: 1882/clusterfuzz-testcase-minimized-5539735650959360

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Rostislav Pehlivanov <atomnuker@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2017-05-28 21:19:23 +02:00
parent c4c73020f4
commit f6ba58d193
1 changed files with 1 additions and 0 deletions
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libavcodec/aacsbr.c
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@ -241,6 +241,7 @@ static void sbr_gain_calc(AACContext *ac, SpectralBandReplication *sbr,
((1.0f + sbr->e_curr[e][m]) * ((1.0f + sbr->e_curr[e][m]) *
(1.0f + sbr->q_mapped[e][m]))); (1.0f + sbr->q_mapped[e][m])));
} }
sbr->gain[e][m] += FLT_MIN;
} }
for (m = sbr->f_tablelim[k] - sbr->kx[1]; m < sbr->f_tablelim[k + 1] - sbr->kx[1]; m++) { for (m = sbr->f_tablelim[k] - sbr->kx[1]; m < sbr->f_tablelim[k + 1] - sbr->kx[1]; m++) {
sum[0] += sbr->e_origmapped[e][m]; sum[0] += sbr->e_origmapped[e][m];