more c++ wrappers

TODO

@@ -53,6 +53,7 @@ code:
 * don't use reserved identifiers (https://devblogs.microsoft.com/oldnewthing/20230109-00/?p=107685)
 * update state ctrl -> process ctrl?
 * mem req -> return value of set sample rate?
+* peak gain + Q ???
 
 build system:
 * make makefiles handle paths with spaces etc
@@ -63,4 +64,4 @@ build system:
 * make hashdeps (https://github.com/olipratt/hashdeps)?
 * VC, XCode, etc project files?
 * single header(s)
-* cross compile
+* cross compile (rpi etc.)

include/bwpp_hs2.h

@@ -0,0 +1,99 @@
+/*
+ * Brickworks
+ *
+ * Copyright (C) 2023 Orastron Srl unipersonale
+ *
+ * Brickworks is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, version 3 of the License.
+ *
+ * Brickworks is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Brickworks.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * File author: Stefano D'Angelo
+ */
+
+#ifndef BWPP_HS2_H
+#define BWPP_HS2_H
+
+#include <bw_hs2.h>
+#include <array>
+
+namespace Brickworks {
+	template<BW_SIZE_T N_CHANNELS>
+	class HS2 {
+	public:
+		HS2();
+
+		void setSampleRate(float sampleRate);
+		void reset(float x0 = 0.f);
+		void process(
+			std::array<const float *, N_CHANNELS> x,
+			std::array<float *, N_CHANNELS> y,
+			int nSamples);
+
+		void setCutoff(float value);
+		void setQ(float value);
+		void setHighGainLin(float value);
+		void setHighGainDB(float value);
+
+	private:
+		bw_hs2_coeffs	 coeffs;
+		bw_hs2_state	 states[N_CHANNELS];
+		bw_hs2_state	*statesP[N_CHANNELS];
+	};
+	
+	template<BW_SIZE_T N_CHANNELS>
+	HS2<N_CHANNELS>::HS2() {
+		bw_hs2_init(&coeffs);
+		for (unsigned int i = 0; i < N_CHANNELS; i++)
+			statesP[i] = states + i;
+	}
+	
+	template<BW_SIZE_T N_CHANNELS>
+	void HS2<N_CHANNELS>::setSampleRate(float sampleRate) {
+		bw_hs2_set_sample_rate(&coeffs, sampleRate);
+	}
+	
+	template<BW_SIZE_T N_CHANNELS>
+	void HS2<N_CHANNELS>::reset(float x0) {
+		bw_hs2_reset_coeffs(&coeffs);
+		for (unsigned int i = 0; i < N_CHANNELS; i++)
+			bw_hs2_reset_state(&coeffs, states + i, x0);
+	}
+	
+	template<BW_SIZE_T N_CHANNELS>
+	void HS2<N_CHANNELS>::process(
+			std::array<const float *, N_CHANNELS> x,
+			std::array<float *, N_CHANNELS> y,
+			int nSamples) {
+		bw_hs2_process_multi(&coeffs, statesP, x.data(), y.data(), N_CHANNELS, nSamples);
+	}
+	
+	template<BW_SIZE_T N_CHANNELS>
+	void HS2<N_CHANNELS>::setCutoff(float value) {
+		bw_hs2_set_cutoff(&coeffs, value);
+	}
+	
+	template<BW_SIZE_T N_CHANNELS>
+	void HS2<N_CHANNELS>::setQ(float value) {
+		bw_hs2_set_Q(&coeffs, value);
+	}
+	
+	template<BW_SIZE_T N_CHANNELS>
+	void HS2<N_CHANNELS>::setHighGainLin(float value) {
+		bw_hs2_set_high_gain_lin(&coeffs, value);
+	}
+	
+	template<BW_SIZE_T N_CHANNELS>
+	void HS2<N_CHANNELS>::setHighGainDB(float value) {
+		bw_hs2_set_high_gain_dB(&coeffs, value);
+	}
+}
+
+#endif

include/bwpp_ls2.h

@@ -0,0 +1,99 @@
+/*
+ * Brickworks
+ *
+ * Copyright (C) 2023 Orastron Srl unipersonale
+ *
+ * Brickworks is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, version 3 of the License.
+ *
+ * Brickworks is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Brickworks.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * File author: Stefano D'Angelo
+ */
+
+#ifndef BWPP_LS2_H
+#define BWPP_LS2_H
+
+#include <bw_ls2.h>
+#include <array>
+
+namespace Brickworks {
+	template<BW_SIZE_T N_CHANNELS>
+	class LS2 {
+	public:
+		LS2();
+
+		void setSampleRate(float sampleRate);
+		void reset(float x0 = 0.f);
+		void process(
+			std::array<const float *, N_CHANNELS> x,
+			std::array<float *, N_CHANNELS> y,
+			int nSamples);
+
+		void setCutoff(float value);
+		void setQ(float value);
+		void setDcGainLin(float value);
+		void setDcGainDB(float value);
+
+	private:
+		bw_ls2_coeffs	 coeffs;
+		bw_ls2_state	 states[N_CHANNELS];
+		bw_ls2_state	*statesP[N_CHANNELS];
+	};
+	
+	template<BW_SIZE_T N_CHANNELS>
+	LS2<N_CHANNELS>::LS2() {
+		bw_ls2_init(&coeffs);
+		for (unsigned int i = 0; i < N_CHANNELS; i++)
+			statesP[i] = states + i;
+	}
+	
+	template<BW_SIZE_T N_CHANNELS>
+	void LS2<N_CHANNELS>::setSampleRate(float sampleRate) {
+		bw_ls2_set_sample_rate(&coeffs, sampleRate);
+	}
+	
+	template<BW_SIZE_T N_CHANNELS>
+	void LS2<N_CHANNELS>::reset(float x0) {
+		bw_ls2_reset_coeffs(&coeffs);
+		for (unsigned int i = 0; i < N_CHANNELS; i++)
+			bw_ls2_reset_state(&coeffs, states + i, x0);
+	}
+	
+	template<BW_SIZE_T N_CHANNELS>
+	void LS2<N_CHANNELS>::process(
+			std::array<const float *, N_CHANNELS> x,
+			std::array<float *, N_CHANNELS> y,
+			int nSamples) {
+		bw_ls2_process_multi(&coeffs, statesP, x.data(), y.data(), N_CHANNELS, nSamples);
+	}
+	
+	template<BW_SIZE_T N_CHANNELS>
+	void LS2<N_CHANNELS>::setCutoff(float value) {
+		bw_ls2_set_cutoff(&coeffs, value);
+	}
+	
+	template<BW_SIZE_T N_CHANNELS>
+	void LS2<N_CHANNELS>::setQ(float value) {
+		bw_ls2_set_Q(&coeffs, value);
+	}
+	
+	template<BW_SIZE_T N_CHANNELS>
+	void LS2<N_CHANNELS>::setDcGainLin(float value) {
+		bw_ls2_set_dc_gain_lin(&coeffs, value);
+	}
+	
+	template<BW_SIZE_T N_CHANNELS>
+	void LS2<N_CHANNELS>::setDcGainDB(float value) {
+		bw_ls2_set_dc_gain_dB(&coeffs, value);
+	}
+}
+
+#endif

include/bwpp_peak.h

@@ -0,0 +1,111 @@
+/*
+ * Brickworks
+ *
+ * Copyright (C) 2023 Orastron Srl unipersonale
+ *
+ * Brickworks is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, version 3 of the License.
+ *
+ * Brickworks is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Brickworks.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * File author: Stefano D'Angelo
+ */
+
+#ifndef BWPP_PEAK_H
+#define BWPP_PEAK_H
+
+#include <bw_peak.h>
+#include <array>
+
+namespace Brickworks {
+	template<BW_SIZE_T N_CHANNELS>
+	class PEAK {
+	public:
+		PEAK();
+
+		void setSampleRate(float sampleRate);
+		void reset(float x0 = 0.f);
+		void process(
+			std::array<const float *, N_CHANNELS> x,
+			std::array<float *, N_CHANNELS> y,
+			int nSamples);
+
+		void setCutoff(float value);
+		void setQ(float value);
+		void setDcGainLin(float value);
+		void setDcGainDB(float value);
+		void setBandwidth(float value);
+		void setUseBandwidth(bool value);
+
+	private:
+		bw_peak_coeffs	 coeffs;
+		bw_peak_state	 states[N_CHANNELS];
+		bw_peak_state	*statesP[N_CHANNELS];
+	};
+	
+	template<BW_SIZE_T N_CHANNELS>
+	PEAK<N_CHANNELS>::PEAK() {
+		bw_peak_init(&coeffs);
+		for (unsigned int i = 0; i < N_CHANNELS; i++)
+			statesP[i] = states + i;
+	}
+	
+	template<BW_SIZE_T N_CHANNELS>
+	void PEAK<N_CHANNELS>::setSampleRate(float sampleRate) {
+		bw_peak_set_sample_rate(&coeffs, sampleRate);
+	}
+	
+	template<BW_SIZE_T N_CHANNELS>
+	void PEAK<N_CHANNELS>::reset(float x0) {
+		bw_peak_reset_coeffs(&coeffs);
+		for (unsigned int i = 0; i < N_CHANNELS; i++)
+			bw_peak_reset_state(&coeffs, states + i, x0);
+	}
+	
+	template<BW_SIZE_T N_CHANNELS>
+	void PEAK<N_CHANNELS>::process(
+			std::array<const float *, N_CHANNELS> x,
+			std::array<float *, N_CHANNELS> y,
+			int nSamples) {
+		bw_peak_process_multi(&coeffs, statesP, x.data(), y.data(), N_CHANNELS, nSamples);
+	}
+	
+	template<BW_SIZE_T N_CHANNELS>
+	void PEAK<N_CHANNELS>::setCutoff(float value) {
+		bw_peak_set_cutoff(&coeffs, value);
+	}
+	
+	template<BW_SIZE_T N_CHANNELS>
+	void PEAK<N_CHANNELS>::setQ(float value) {
+		bw_peak_set_Q(&coeffs, value);
+	}
+	
+	template<BW_SIZE_T N_CHANNELS>
+	void PEAK<N_CHANNELS>::setPeakGainLin(float value) {
+		bw_peak_set_peak_gain_lin(&coeffs, value);
+	}
+	
+	template<BW_SIZE_T N_CHANNELS>
+	void PEAK<N_CHANNELS>::setPeakGainDB(float value) {
+		bw_peak_set_peak_gain_dB(&coeffs, value);
+	}
+	
+	template<BW_SIZE_T N_CHANNELS>
+	void PEAK<N_CHANNELS>::setBandwidth(float value) {
+		bw_peak_set_bandwidth(&coeffs, value);
+	}
+	
+	template<BW_SIZE_T N_CHANNELS>
+	void PEAK<N_CHANNELS>::setUseBandwidth(bool value) {
+		bw_peak_set_use_bandwidth(&coeffs, value);
+	}
+}
+
+#endif