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avcodec/aacdec_template: Check id_map 

Fixes index out of bounds error
Fixes: aac_index_out_of_bounds.wmv

Found-by: Piotr Bandurski <ami_stuff@o2.pl>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2016-01-10 19:29:39 +01:00
parent 93ac72a98d
commit 590863876d
1 changed files with 4 additions and 0 deletions
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4
libavcodec/aacdec_template.c
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@ -451,6 +451,10 @@ static int output_configure(AACContext *ac,
int type = layout_map[i][0];
int id = layout_map[i][1];
id_map[type][id] = type_counts[type]++;
if (id_map[type][id] >= MAX_ELEM_ID) {
avpriv_request_sample(ac->avctx, "Remapped id too large\n");
return AVERROR_PATCHWELCOME;
}
}
// Try to sniff a reasonable channel order, otherwise output the
// channels in the order the PCE declared them.