chris@160: /**
chris@160:  * Copyright (c) 2014, 2015, Enzien Audio Ltd.
chris@160:  *
chris@160:  * Permission to use, copy, modify, and/or distribute this software for any
chris@160:  * purpose with or without fee is hereby granted, provided that the above
chris@160:  * copyright notice and this permission notice appear in all copies.
chris@160:  *
chris@160:  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
chris@160:  * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
chris@160:  * AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
chris@160:  * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
chris@160:  * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
chris@160:  * OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
chris@160:  * PERFORMANCE OF THIS SOFTWARE.
chris@160:  */
chris@160: 
chris@160: #ifndef _SIGNAL_DEL1_H_
chris@160: #define _SIGNAL_DEL1_H_
chris@160: 
chris@160: #include "HvBase.h"
chris@160: 
chris@160: typedef struct SignalDel1 {
chris@160:   hv_bufferf_t x;
chris@160: } SignalDel1;
chris@160: 
chris@160: hv_size_t sDel1_init(SignalDel1 *o);
chris@160: 
chris@160: void sDel1_onMessage(HvBase *_c, SignalDel1 *o, int letIn, const HvMessage *m);
chris@160: 
chris@160: static inline void __hv_del1_f(SignalDel1 *o, hv_bInf_t bIn0, hv_bOutf_t bOut) {
chris@160: #if HV_SIMD_AVX
chris@160:   __m256 x = _mm256_permute_ps(bIn0, _MM_SHUFFLE(2,1,0,3)); // [3 0 1 2 7 4 5 6]
chris@160:   __m256 n = _mm256_permute2f128_ps(o->x,x,0x1);            // [h e f g 3 0 1 2]
chris@160:   *bOut = _mm256_blend_ps(x, n, 0x11);                      // [g 0 1 2 3 4 5 6]
chris@160:   o->x = x;
chris@160: #elif HV_SIMD_SSE
chris@160:   __m128 n = _mm_blend_ps(o->x, bIn0, 0x7);
chris@160:   *bOut = _mm_shuffle_ps(n, n, _MM_SHUFFLE(2,1,0,3));
chris@160:   o->x = bIn0;
chris@160: #elif HV_SIMD_NEON
chris@160:   *bOut = vextq_f32(o->x, bIn0, 3);
chris@160:   o->x = bIn0;
chris@160: #else
chris@160:   *bOut = o->x;
chris@160:   o->x = bIn0;
chris@160: #endif
chris@160: }
chris@160: 
chris@160: #endif // _SIGNAL_DEL1_H_