avcodec/ac3enc_template: fix out of array read

Found-by: Andreas Cadhalpun Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
10 years ago · d85ebea3f3
parent 5672107ed6
commit d85ebea3f3
1 changed files with 1 additions and 1 deletions
--- a/libavcodec/ac3enc_template.c
+++ b/libavcodec/ac3enc_template.c
@ -263,7 +263,7 @@ 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];