40 lines
1.6 KiB
C
40 lines
1.6 KiB
C
/* SoX Resampler Library Copyright (c) 2007-13 robs@users.sourceforge.net
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* Licence for this file: LGPL v2.1 See LICENCE for details. */
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#define SIMD_ALIGNED_FREE free
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#define SIMD_ALIGNED_MALLOC malloc
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#define PFFFT_SIMD_DISABLE
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#define PFFFT_DOUBLE 0
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#include "pffft-wrap.c"
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#include "filter.h"
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#include "rdft_t.h"
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static void * setup(int len) {return pffft_new_setup(len, PFFFT_REAL);}
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static void delete_setup(void * setup) {pffft_destroy_setup(setup);}
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static void forward (int length, void * setup, float * h, float * scratch) {pffft_transform (setup, h, h, scratch, PFFFT_FORWARD); (void)length;}
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static void oforward (int length, void * setup, float * h, float * scratch) {pffft_transform_ordered(setup, h, h, scratch, PFFFT_FORWARD); (void)length;}
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static void backward (int length, void * setup, float * H, float * scratch) {pffft_transform (setup, H, H, scratch, PFFFT_BACKWARD);(void)length;}
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static void obackward(int length, void * setup, float * H, float * scratch) {pffft_transform_ordered(setup, H, H, scratch, PFFFT_BACKWARD);(void)length;}
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static void convolve(int length, void * setup, float * H, float const * with) { pffft_zconvolve(setup, H, with, H); (void)length;}
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static int multiplier(void) {return 1;}
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static int flags(void) {return RDFT_NEEDS_SCRATCH;}
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fn_t _soxr_rdft32_cb[] = {
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(fn_t)setup,
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(fn_t)setup,
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(fn_t)delete_setup,
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(fn_t)forward,
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(fn_t)oforward,
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(fn_t)backward,
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(fn_t)obackward,
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(fn_t)convolve,
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(fn_t)_soxr_ordered_partial_convolve_f,
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(fn_t)multiplier,
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(fn_t)pffft_reorder_back,
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(fn_t)malloc,
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(fn_t)calloc,
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(fn_t)free,
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(fn_t)flags,
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};
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