From 5264e7ba217b3c0ceae813917134e1ab52573141 Mon Sep 17 00:00:00 2001 From: Luca Barbato Date: Thu, 26 May 2016 02:41:25 +0200 Subject: [PATCH] ac3: Check the array bound before dereferencing CC: libav-stable@libav.org Signed-off-by: Luca Barbato --- libavcodec/ac3enc_template.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/ac3enc_template.c b/libavcodec/ac3enc_template.c index 8febf858ef..ec8ec4ef6a 100644 --- a/libavcodec/ac3enc_template.c +++ b/libavcodec/ac3enc_template.c @@ -260,7 +260,7 @@ static void apply_channel_coupling(AC3EncodeContext *s) energy_cpl = energy[blk][CPL_CH][bnd]; energy_ch = energy[blk][ch][bnd]; blk1 = blk+1; - while (!s->blocks[blk1].new_cpl_coords[ch] && blk1 < s->num_blocks) { + while (blk1 < s->num_blocks && !s->blocks[blk1].new_cpl_coords[ch]) { if (s->blocks[blk1].cpl_in_use) { energy_cpl += energy[blk1][CPL_CH][bnd]; energy_ch += energy[blk1][ch][bnd];