/* Copyright (c) 2010 Xiph.Org Foundation
* Copyright ( c ) 2013 Parrot
* Copyright (c) 2024 Arm Limited */
/*
Redistribution and use in source and binary forms , with or without
modification , are permitted provided that the following conditions
are met :
- Redistributions of source code must retain the above copyright
notice , this list of conditions and the following disclaimer .
- Redistributions in binary form must reproduce the above copyright
notice , this list of conditions and the following disclaimer in the
documentation and / or other materials provided with the distribution .
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
` ` AS IS ' ' AND ANY EXPRESS OR IMPLIED WARRANTIES , INCLUDING , BUT NOT
LIMITED TO , THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED . IN NO EVENT SHALL THE COPYRIGHT OWNER
OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT , INDIRECT , INCIDENTAL , SPECIAL ,
EXEMPLARY , OR CONSEQUENTIAL DAMAGES ( INCLUDING , BUT NOT LIMITED TO ,
PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES ; LOSS OF USE , DATA , OR
PROFITS ; OR BUSINESS INTERRUPTION ) HOWEVER CAUSED AND ON ANY THEORY OF
LIABILITY , WHETHER IN CONTRACT , STRICT LIABILITY , OR TORT ( INCLUDING
NEGLIGENCE OR OTHERWISE ) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE , EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE .
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "kiss_fft.h"
#include "mathops.h"
#include "mdct.h"
#include "pitch.h"
#if defined (OPUS_HAVE_RTCD)
# if !defined (DISABLE_FLOAT_API)
# if defined (OPUS_ARM_MAY_HAVE_NEON_INTR) && !defined (OPUS_ARM_PRESUME_NEON_INTR)
void (*const CELT_FLOAT2INT16_IMPL[OPUS_ARCHMASK+1 ])(const float * OPUS_RESTRICT in, short * OPUS_RESTRICT out, int cnt) = {
celt_float2int16_c, /* ARMv4 */
celt_float2int16_c, /* EDSP */
celt_float2int16_c, /* Media */
celt_float2int16_neon,/* NEON */
celt_float2int16_neon /* DOTPROD */
};
int (*const OPUS_LIMIT2_CHECKWITHIN1_IMPL[OPUS_ARCHMASK+1 ])(float * samples, int cnt) = {
opus_limit2_checkwithin1_c, /* ARMv4 */
opus_limit2_checkwithin1_c, /* EDSP */
opus_limit2_checkwithin1_c, /* Media */
opus_limit2_checkwithin1_neon,/* NEON */
opus_limit2_checkwithin1_neon /* DOTPROD */
};
# endif
# endif
# if defined (OPUS_ARM_MAY_HAVE_NEON_INTR) && !defined (OPUS_ARM_PRESUME_NEON_INTR)
opus_val32 (*const CELT_INNER_PROD_IMPL[OPUS_ARCHMASK+1 ])(const opus_val16 *x, const opus_val16 *y, int N) = {
celt_inner_prod_c, /* ARMv4 */
celt_inner_prod_c, /* EDSP */
celt_inner_prod_c, /* Media */
celt_inner_prod_neon,/* NEON */
celt_inner_prod_neon /* DOTPROD */
};
void (*const DUAL_INNER_PROD_IMPL[OPUS_ARCHMASK+1 ])(const opus_val16 *x, const opus_val16 *y01, const opus_val16 *y02,
int N, opus_val32 *xy1, opus_val32 *xy2) = {
dual_inner_prod_c, /* ARMv4 */
dual_inner_prod_c, /* EDSP */
dual_inner_prod_c, /* Media */
dual_inner_prod_neon,/* NEON */
dual_inner_prod_neon /* DOTPROD */
};
# endif
# if defined (FIXED_POINT)
# if ((defined (OPUS_ARM_MAY_HAVE_NEON) && !defined (OPUS_ARM_PRESUME_NEON)) || \
(defined (OPUS_ARM_MAY_HAVE_MEDIA) && !defined (OPUS_ARM_PRESUME_MEDIA)) || \
(defined (OPUS_ARM_MAY_HAVE_EDSP) && !defined (OPUS_ARM_PRESUME_EDSP)))
opus_val32 (*const CELT_PITCH_XCORR_IMPL[OPUS_ARCHMASK+1 ])(const opus_val16 *,
const opus_val16 *, opus_val32 *, int , int , int ) = {
celt_pitch_xcorr_c, /* ARMv4 */
MAY_HAVE_EDSP(celt_pitch_xcorr), /* EDSP */
MAY_HAVE_MEDIA(celt_pitch_xcorr), /* Media */
MAY_HAVE_NEON(celt_pitch_xcorr), /* NEON */
MAY_HAVE_NEON(celt_pitch_xcorr) /* DOTPROD */
};
# endif
# else /* !FIXED_POINT */
# if defined (OPUS_ARM_MAY_HAVE_NEON_INTR) && !defined (OPUS_ARM_PRESUME_NEON_INTR)
void (*const CELT_PITCH_XCORR_IMPL[OPUS_ARCHMASK+1 ])(const opus_val16 *,
const opus_val16 *, opus_val32 *, int , int , int ) = {
celt_pitch_xcorr_c, /* ARMv4 */
celt_pitch_xcorr_c, /* EDSP */
celt_pitch_xcorr_c, /* Media */
celt_pitch_xcorr_float_neon, /* Neon */
celt_pitch_xcorr_float_neon /* DOTPROD */
};
# endif
# endif /* FIXED_POINT */
#if defined (FIXED_POINT) && defined (OPUS_HAVE_RTCD) && \
defined (OPUS_ARM_MAY_HAVE_NEON_INTR) && !defined (OPUS_ARM_PRESUME_NEON_INTR)
void (*const XCORR_KERNEL_IMPL[OPUS_ARCHMASK + 1 ])(
const opus_val16 *x,
const opus_val16 *y,
opus_val32 sum[4 ],
int len
) = {
xcorr_kernel_c, /* ARMv4 */
xcorr_kernel_c, /* EDSP */
xcorr_kernel_c, /* Media */
xcorr_kernel_neon_fixed, /* Neon */
xcorr_kernel_neon_fixed /* DOTPROD */
};
#endif
# if defined (OPUS_ARM_MAY_HAVE_NEON_INTR)
# if defined (HAVE_ARM_NE10)
# if defined (CUSTOM_MODES)
int (*const OPUS_FFT_ALLOC_ARCH_IMPL[OPUS_ARCHMASK+1 ])(kiss_fft_state *st) = {
opus_fft_alloc_arch_c, /* ARMv4 */
opus_fft_alloc_arch_c, /* EDSP */
opus_fft_alloc_arch_c, /* Media */
opus_fft_alloc_arm_neon, /* Neon with NE10 library support */
opus_fft_alloc_arm_neon /* DOTPROD with NE10 library support */
};
void (*const OPUS_FFT_FREE_ARCH_IMPL[OPUS_ARCHMASK+1 ])(kiss_fft_state *st) = {
opus_fft_free_arch_c, /* ARMv4 */
opus_fft_free_arch_c, /* EDSP */
opus_fft_free_arch_c, /* Media */
opus_fft_free_arm_neon, /* Neon with NE10 */
opus_fft_free_arm_neon /* DOTPROD with NE10 */
};
# endif /* CUSTOM_MODES */
void (*const OPUS_FFT[OPUS_ARCHMASK+1 ])(const kiss_fft_state *cfg,
const kiss_fft_cpx *fin,
kiss_fft_cpx *fout) = {
opus_fft_c, /* ARMv4 */
opus_fft_c, /* EDSP */
opus_fft_c, /* Media */
opus_fft_neon, /* Neon with NE10 */
opus_fft_neon /* DOTPROD with NE10 */
};
void (*const OPUS_IFFT[OPUS_ARCHMASK+1 ])(const kiss_fft_state *cfg,
const kiss_fft_cpx *fin,
kiss_fft_cpx *fout) = {
opus_ifft_c, /* ARMv4 */
opus_ifft_c, /* EDSP */
opus_ifft_c, /* Media */
opus_ifft_neon, /* Neon with NE10 */
opus_ifft_neon /* DOTPROD with NE10 */
};
void (*const CLT_MDCT_FORWARD_IMPL[OPUS_ARCHMASK+1 ])(const mdct_lookup *l,
kiss_fft_scalar *in,
kiss_fft_scalar * OPUS_RESTRICT out,
const opus_val16 *window,
int overlap, int shift,
int stride, int arch) = {
clt_mdct_forward_c, /* ARMv4 */
clt_mdct_forward_c, /* EDSP */
clt_mdct_forward_c, /* Media */
clt_mdct_forward_neon, /* Neon with NE10 */
clt_mdct_forward_neon /* DOTPROD with NE10 */
};
void (*const CLT_MDCT_BACKWARD_IMPL[OPUS_ARCHMASK+1 ])(const mdct_lookup *l,
kiss_fft_scalar *in,
kiss_fft_scalar * OPUS_RESTRICT out,
const opus_val16 *window,
int overlap, int shift,
int stride, int arch) = {
clt_mdct_backward_c, /* ARMv4 */
clt_mdct_backward_c, /* EDSP */
clt_mdct_backward_c, /* Media */
clt_mdct_backward_neon, /* Neon with NE10 */
clt_mdct_backward_neon /* DOTPROD with NE10 */
};
# endif /* HAVE_ARM_NE10 */
# endif /* OPUS_ARM_MAY_HAVE_NEON_INTR */
#endif /* OPUS_HAVE_RTCD */
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(vorverarbeitet am 2026-10-01)
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