From ef7fe9851e0913a2e8d27d55bcb84847a6efa7ca Mon Sep 17 00:00:00 2001 From: Andreas Cadhalpun Date: Sun, 8 Nov 2015 22:04:08 +0100 Subject: aacps: avoid division by zero in stereo_processing This fixes a SIGFPE crash in the aac_fixed decoder. Signed-off-by: Andreas Cadhalpun Reviewed-by: Rostislav Pehlivanov --- libavcodec/aacps.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'libavcodec/aacps.c') 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 -- cgit v1.2.3