From bd358e128f47c14c7bc9dfceb8dedb3e5697f017 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Thu, 8 Sep 2011 05:05:11 +0200 Subject: [PATCH] jpeglsdec: fix infinite loop Fixes Ticket331 Signed-off-by: Michael Niedermayer --- libavcodec/jpegls.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/libavcodec/jpegls.h b/libavcodec/jpegls.h index 28c75248be..2c21f774e8 100644 --- a/libavcodec/jpegls.h +++ b/libavcodec/jpegls.h @@ -86,6 +86,8 @@ static inline void ff_jpegls_downscale_state(JLSState *state, int Q){ } static inline int ff_jpegls_update_state_regular(JLSState *state, int Q, int err){ + if(FFABS(err) > 0xFFFF) + return -0x10000; state->A[Q] += FFABS(err); err *= state->twonear; state->B[Q] += err;