1 files changed, 54 insertions, 0 deletions
diff --git a/plugins/LV2/src/Biquad2/Biquad2.h b/plugins/LV2/src/Biquad2/Biquad2.h
new file mode 100644
index 0000000..e511e3b
--- /dev/null
+++ b/plugins/LV2/src/Biquad2/Biquad2.h
@@ -0,0 +1,54 @@
+#ifndef __Biquad2_H
+#define __Biquad2_H
+
+#include <lv2plugin.h>
+
+class Biquad2 : public LV2Plugin<5> {
+public:
+    Biquad2(double rate);
+
+    void activate();
+    void run(uint32_t num_samples);
+
+    static constexpr const char * URI = "https://www.airwindows.com/biquad2";
+
+private:
+    /*
+     * These are the original DSP functions from the VST plugin.
+     * They need to be called from the LV2 plugins `run` function.
+     */
+    void processReplacing(float **in, float **out, VstInt32 samples);
+    void processDoubleReplacing(double **in, double **out, VstInt32 samples);
+
+    /*
+     * Members needed by the processing functions.
+     */
+        
+	long double biquad[15]; //note that this stereo form doesn't require L and R forms!
+	//This is because so much of it is coefficients etc. that are the same on both channels.
+	//So the stored samples are in 7-8-9-10 and 11-12-13-14, and freq/res/coefficients serve both.
+	
+	double bL[11];
+	double bR[11];
+	double f[11];		
+	double frequencychase;
+	double resonancechase;
+	double outputchase;
+	double wetchase;
+	double frequencysetting;
+	double resonancesetting;
+	double outputsetting;
+	double wetsetting;
+	double chasespeed;
+
+	uint32_t fpd;
+	//default stuff
+
+    float A;
+    float B;
+    float C;
+    float D;
+    float E;
+};
+
+#endif