Commit 51673647 authored by Alex Converse's avatar Alex Converse Committed by Robert Swain
Browse files

Only read some of TNS bitstream data in the case that the TNS filter order is

non-zero as per the specification.

Patch by Alex Converse (alex converse gmail com)
Fixes another issue pertaining to issue632

Originally committed as revision 15303 to svn://svn.ffmpeg.org/ffmpeg/trunk
parent 08857704
......@@ -629,6 +629,7 @@ static int decode_tns(AACContext * ac, TemporalNoiseShaping * tns,
tns->order[w][filt] = 0;
return -1;
}
if (tns->order[w][filt]) {
tns->direction[w][filt] = get_bits1(gb);
coef_compress = get_bits1(gb);
coef_len = coef_res + 3 - coef_compress;
......@@ -636,6 +637,7 @@ static int decode_tns(AACContext * ac, TemporalNoiseShaping * tns,
for (i = 0; i < tns->order[w][filt]; i++)
tns->coef[w][filt][i] = tns_tmp2_map[tmp2_idx][get_bits(gb, coef_len)];
}
}
}
}
......
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