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| author | Andreas Cadhalpun <andreas.cadhalpun@googlemail.com> | 2015-11-08 22:04:08 +0100 |
|---|---|---|
| committer | Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com> | 2015-11-26 01:35:45 +0100 |
| commit | c3f276b60830750a31e73c54edc2dd33e1f172bf (patch) | |
| tree | 1559180968f7ef3ab4534d9eb6ef0324cfab6b00 | |
| parent | 510d88ae939f80a0e69188135d9ca7824a2c1075 (diff) | |
| download | ffmpeg-c3f276b60830750a31e73c54edc2dd33e1f172bf.tar.gz | |
aacps: avoid division by zero in stereo_processing
This fixes a SIGFPE crash in the aac_fixed decoder.
Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>
Reviewed-by: Rostislav Pehlivanov <atomnuker@gmail.com>
(cherry picked from commit ef7fe9851e0913a2e8d27d55bcb84847a6efa7ca)
Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>
| -rw-r--r-- | libavcodec/aacps.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/aacps.c b/libavcodec/aacps.c index 1165d9be3f..ccc79ffc1d 100644 --- a/libavcodec/aacps.c +++ b/libavcodec/aacps.c @@ -940,7 +940,7 @@ static void stereo_processing(PSContext *ps, INTFLOAT (*l)[32][2], INTFLOAT (*r) LOCAL_ALIGNED_16(INTFLOAT, h_step, [2], [4]); int start = ps->border_position[e]; int stop = ps->border_position[e+1]; - INTFLOAT width = Q30(1.f) / (stop - start); + INTFLOAT width = Q30(1.f) / ((stop - start) ? (stop - start) : 1); #if USE_FIXED width <<= 1; #endif |