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fixed-point: changed find_spectral_pitch() to use single-precision (16-bit) FFT.

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This involved adding kfft_single.[ch] that redefines kiss_fft a second time
with a different prefix. All this is still a bit of a mess now. The mask
had to be converted to 16-bit input, but we're still using floats to apply it.
This commit is contained in:
Jean-Marc Valin 2008-03-05 17:20:30 +11:00
parent 4024444811
commit f93747c44a
12 changed files with 166 additions and 28 deletions
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2
libcelt/psy.h
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@ -45,7 +45,7 @@ void psydecay_init(struct PsyDecay *decay, int len, celt_int32_t Fs);
void psydecay_clear(struct PsyDecay *decay);
/** Compute the masking curve for an input (DFT) spectrum X */
void compute_masking(struct PsyDecay *decay, celt_word32_t *X, celt_mask_t *mask, int len);
void compute_masking(struct PsyDecay *decay, celt_word16_t *X, celt_mask_t *mask, int len);
/** Compute the masking curve for an input (MDCT) spectrum X */
void compute_mdct_masking(struct PsyDecay *decay, celt_word32_t *X, celt_mask_t *mask, int len);