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| author | Michael Niedermayer <michael@niedermayer.cc> | 2017-11-01 14:00:19 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2017-12-02 00:28:59 +0100 |
| commit | 21ae8b4869e2b2d51be2ce726b03cd86bc36285f (patch) | |
| tree | e17c7add78c6daf0e35cd2facee7b388c4a13afa /libavcodec | |
| parent | 122634a580dfecec51f6105205b144e60731ae78 (diff) | |
| download | ffmpeg-21ae8b4869e2b2d51be2ce726b03cd86bc36285f.tar.gz | |
avcodec/aacsbr_fixed: Fix division by zero in sbr_gain_calc()
Fixes: 3642/clusterfuzz-testcase-minimized-5443853801750528
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 7d1dec466895eed12f2c79b7ab5447f5390fe869)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libavcodec')
| -rw-r--r-- | libavcodec/aacsbr_fixed.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/libavcodec/aacsbr_fixed.c b/libavcodec/aacsbr_fixed.c index 1f5ff410d1..2a679491b0 100644 --- a/libavcodec/aacsbr_fixed.c +++ b/libavcodec/aacsbr_fixed.c @@ -437,6 +437,7 @@ static void sbr_gain_calc(AACContext *ac, SpectralBandReplication *sbr, av_add_sf(FLOAT_1, sbr->e_curr[e][m]), av_add_sf(FLOAT_1, sbr->q_mapped[e][m])))); } + sbr->gain[e][m] = av_add_sf(sbr->gain[e][m], FLOAT_MIN); } for (m = sbr->f_tablelim[k] - sbr->kx[1]; m < sbr->f_tablelim[k + 1] - sbr->kx[1]; m++) { sum[0] = av_add_sf(sum[0], sbr->e_origmapped[e][m]); |