[FFmpeg-devel] [PATCH 3/3] aacps: avoid division by zero in stereo_processing
Andreas Cadhalpun
andreas.cadhalpun at googlemail.com
Sun Nov 8 22:04:08 CET 2015
This fixes a SIGFPE crash in the aac_fixed decoder.
Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun at googlemail.com>
---
libavcodec/aacps.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavcodec/aacps.c b/libavcodec/aacps.c
index 1165d9b..ccc79ff 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
--
2.6.2
More information about the ffmpeg-devel
mailing list