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Added a few "restrict" keywords and changed some divisions to shifts

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This commit is contained in:
Jean-Marc Valin 2008-03-22 09:01:50 +11:00
parent 3c2fe0fbee
commit a536f77202
6 changed files with 19 additions and 19 deletions
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8
libcelt/pitch.c
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@ -99,7 +99,7 @@ static void normalise16(celt_word16_t *x, int len, celt_word16_t val)
#define INPUT_SHIFT 15
void find_spectral_pitch(kiss_fftr_cfg fft, const struct PsyDecay *decay, const celt_sig_t *x, const celt_sig_t *y, const celt_word16_t *window, int overlap, int lag, int len, int C, int *pitch)
void find_spectral_pitch(kiss_fftr_cfg fft, const struct PsyDecay *decay, const celt_sig_t *x, const celt_sig_t *y, const celt_word16_t * restrict window, int overlap, int lag, int len, int C, int *pitch)
{
int c, i;
celt_word32_t max_corr;
@ -109,8 +109,8 @@ void find_spectral_pitch(kiss_fftr_cfg fft, const struct PsyDecay *decay, const
int n2;
int L2;
SAVE_STACK;
n2 = lag/2;
L2 = len/2;
n2 = lag>>1;
L2 = len>>1;
ALLOC(X, lag, celt_word16_t);
ALLOC(curve, n2, celt_mask_t);
@ -127,7 +127,7 @@ void find_spectral_pitch(kiss_fftr_cfg fft, const struct PsyDecay *decay, const
}
/* Applying the window in the bit-reverse domain. It's a bit weird, but it
can help save memory */
for (i=0;i<overlap/2;i++)
for (i=0;i<overlap>>1;i++)
{
X[2*BITREV(fft,i)] = MULT16_16_Q15(window[2*i], X[2*BITREV(fft,i)]);
X[2*BITREV(fft,i)+1] = MULT16_16_Q15(window[2*i+1], X[2*BITREV(fft,i)+1]);