58 lines
1.7 KiB
C
58 lines
1.7 KiB
C
/**
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* Copyright (c) 2014-2018 Enzien Audio Ltd.
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
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* REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
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* AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
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* INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
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* LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
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* OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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* PERFORMANCE OF THIS SOFTWARE.
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*/
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#ifndef _SIGNAL_DEL1_H_
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#define _SIGNAL_DEL1_H_
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#include "HvHeavyInternal.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef struct SignalDel1 {
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hv_bufferf_t x;
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} SignalDel1;
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hv_size_t sDel1_init(SignalDel1 *o);
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void sDel1_onMessage(HeavyContextInterface *_c, SignalDel1 *o, int letIn, const HvMessage *m);
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static inline void __hv_del1_f(SignalDel1 *o, hv_bInf_t bIn0, hv_bOutf_t bOut) {
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#if HV_SIMD_AVX
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__m256 x = _mm256_permute_ps(bIn0, _MM_SHUFFLE(2,1,0,3)); // [3 0 1 2 7 4 5 6]
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__m256 n = _mm256_permute2f128_ps(o->x,x,0x1); // [h e f g 3 0 1 2]
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*bOut = _mm256_blend_ps(x, n, 0x11); // [h 0 1 2 3 4 5 6]
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o->x = x;
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#elif HV_SIMD_SSE
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__m128 n = _mm_blend_ps(o->x, bIn0, 0x7);
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*bOut = _mm_shuffle_ps(n, n, _MM_SHUFFLE(2,1,0,3));
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o->x = bIn0;
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#elif HV_SIMD_NEON
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*bOut = vextq_f32(o->x, bIn0, 3);
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o->x = bIn0;
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#else
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*bOut = o->x;
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o->x = bIn0;
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#endif
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}
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#ifdef __cplusplus
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} // extern "C"
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#endif
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#endif // _SIGNAL_DEL1_H_
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