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aacsbr: Make dk signed. There is no point in it being unsigned.

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Originally committed as revision 23671 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Alex Converse 2010-06-20 23:03:32 +00:00
parent e90e1f558a
commit cf3b4d9a78
1 changed files with 1 additions and 2 deletions
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libavcodec/aacsbr.c
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@ -379,8 +379,7 @@ static int sbr_make_f_master(AACContext *ac, SpectralBandReplication *sbr,
} }
if (!spectrum->bs_freq_scale) { if (!spectrum->bs_freq_scale) {
unsigned int dk; int dk, k2diff;
int k2diff;
dk = spectrum->bs_alter_scale + 1; dk = spectrum->bs_alter_scale + 1;
sbr->n_master = ((sbr->k[2] - sbr->k[0] + (dk&2)) >> dk) << 1; sbr->n_master = ((sbr->k[2] - sbr->k[0] + (dk&2)) >> dk) << 1;