avcodec/ac3enc_template: fix out of array read

Found-by: Andreas Cadhalpun
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2014-09-27 20:34:44 +02:00
parent 5672107ed6
commit d85ebea3f3

View File

@ -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];