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AAC encoder: fix OOB access in search_for_pns 

Fix OOB access in search_for_pns which was using
w2 outside the window group loop, and fix a typo
in which it was checking sf_idx instead of band_type

Reviewed-by: Andreas Cadhalpun <andreas.cadhalpun@googlemail.com>
Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>
This commit is contained in:
Claudio Freire 2015-12-09 17:36:32 -03:00 committed by Andreas Cadhalpun
parent 7fd1c85e51
commit 124c375938
1 changed files with 1 additions and 1 deletions
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2
libavcodec/aaccoder.c
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@ -711,7 +711,7 @@ static void search_for_pns(AACEncContext *s, AVCodecContext *avctx, SingleChanne
/* Estimate rd on average as 5 bits for SF, 4 for the CB, plus spread energy * lambda/thr */
dist2 += band->energy/(band->spread*band->spread)*lambda*dist_thresh/band->threshold;
}
if (g && sce->sf_idx[(w+w2)*16+g-1] == NOISE_BT) {
if (g && sce->band_type[w*16+g-1] == NOISE_BT) {
dist2 += 5;
} else {
dist2 += 9;