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As of commit 44203907 all celt bands N>1 are even, including custom modes. In light of this, remove some pointless tests.

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Gregory Maxwell 2011-09-30 17:57:27 -04:00 • committed by Jean-Marc Valin
parent b23a6ca5cf
commit 342d654c26
2 changed files with 10 additions and 13 deletions
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17
celt/bands.c
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@ -751,16 +751,13 @@ static unsigned quant_band(int encode, const CELTMode *m, int i, celt_norm *X, c
cache = m->cache.bits + m->cache.index[(LM+1)*m->nbEBands+i];
if (!stereo && LM != -1 && b > cache[cache[0]]+12 && N>2)
{
if (LM>0 || (N&1)==0)
{
N >>= 1;
Y = X+N;
split = 1;
LM -= 1;
if (B==1)
fill = (fill&1)|(fill<<1);
B = (B+1)>>1;
}
N >>= 1;
Y = X+N;
split = 1;
LM -= 1;
if (B==1)
fill = (fill&1)|(fill<<1);
B = (B+1)>>1;
}
if (split)

6
celt/rate.c
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@ -165,9 +165,9 @@ void compute_pulse_cache(CELTMode *m, int LM)
int qb;
int k;
LM0 = 0;
/* Even-sized bands bigger than N=2 can be split one more
time. */
if (N0 > 2 && !(N0&1))
/* Even-sized bands bigger than N=2 can be split one more time.
As of commit 44203907 all bands >1 are even, including custom modes.*/
if (N0 > 2)
{
N0>>=1;
LM0--;