dsps_biquad.h

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// Copyright 2018-2025 Espressif Systems (Shanghai) PTE LTD
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
 
 
#ifndef _dsps_biquad_H_
#define _dsps_biquad_H_
 
#include "dsp_err.h"
 
#include "dsps_biquad_platform.h"
 
#ifdef __cplusplus
extern "C"
{
#endif

esp_err_t dsps_biquad_f32_ansi(const float *input, float *output, int len, float *coef, float *w);
esp_err_t dsps_biquad_f32_ae32(const float *input, float *output, int len, float *coef, float *w);
esp_err_t dsps_biquad_f32_aes3(const float *input, float *output, int len, float *coef, float *w);
esp_err_t dsps_biquad_f32_arp4(const float *input, float *output, int len, float *coef, float *w);

esp_err_t dsps_biquad_sf32_ansi(const float *input, float *output, int len, float *coef, float *w);
esp_err_t dsps_biquad_sf32_ae32(const float *input, float *output, int len, float *coef, float *w);
esp_err_t dsps_biquad_sf32_aes3(const float *input, float *output, int len, float *coef, float *w);
esp_err_t dsps_biquad_sf32_arp4(const float *input, float *output, int len, float *coef, float *w);
 
 
#ifdef __cplusplus
}
#endif
 
#if CONFIG_DSP_OPTIMIZED
 
#if (dsps_biquad_f32_ae32_enabled == 1)
#define dsps_biquad_f32 dsps_biquad_f32_ae32
#define dsps_biquad_sf32 dsps_biquad_sf32_ae32
#elif (dsps_biquad_f32_aes3_enabled == 1)
#define dsps_biquad_f32 dsps_biquad_f32_aes3
#define dsps_biquad_sf32 dsps_biquad_sf32_ae32
#elif (dsps_biquad_f32_arp4_enabled == 1)
#define dsps_biquad_f32 dsps_biquad_f32_arp4
#define dsps_biquad_sf32 dsps_biquad_sf32_arp4
#else
#define dsps_biquad_f32 dsps_biquad_f32_ansi
#define dsps_biquad_sf32 dsps_biquad_sf32_ansi
#endif
 
#else // CONFIG_DSP_OPTIMIZED
 
#define dsps_biquad_f32 dsps_biquad_f32_ansi
#define dsps_biquad_sf32 dsps_biquad_sf32_ansi
 
#endif // CONFIG_DSP_OPTIMIZED
 
 
#endif // _dsps_biquad_H_