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aacps: correct opdipd code to match spec

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This fixes out of array reads

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2013-03-29 20:58:42 +01:00
parent a345b7f906
commit 66e9716a36
1 changed files with 2 additions and 1 deletions
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libavcodec/aacps.c
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@ -823,7 +823,8 @@ static void stereo_processing(PSContext *ps, float (*l)[32][2], float (*r)[32][2
h12 = H_LUT[iid_mapped[e][b] + 7 + 23 * ps->iid_quant][icc_mapped[e][b]][1]; h12 = H_LUT[iid_mapped[e][b] + 7 + 23 * ps->iid_quant][icc_mapped[e][b]][1];
h21 = H_LUT[iid_mapped[e][b] + 7 + 23 * ps->iid_quant][icc_mapped[e][b]][2]; h21 = H_LUT[iid_mapped[e][b] + 7 + 23 * ps->iid_quant][icc_mapped[e][b]][2];
h22 = H_LUT[iid_mapped[e][b] + 7 + 23 * ps->iid_quant][icc_mapped[e][b]][3]; h22 = H_LUT[iid_mapped[e][b] + 7 + 23 * ps->iid_quant][icc_mapped[e][b]][3];
if (!PS_BASELINE && ps->enable_ipdopd && b < ps->nr_ipdopd_par) {
if (!PS_BASELINE && ps->enable_ipdopd && 2*b <= NR_PAR_BANDS[is34]) {
//The spec say says to only run this smoother when enable_ipdopd //The spec say says to only run this smoother when enable_ipdopd
//is set but the reference decoder appears to run it constantly //is set but the reference decoder appears to run it constantly
float h11i, h12i, h21i, h22i; float h11i, h12i, h21i, h22i;