70 lines
1.5 KiB
C++
70 lines
1.5 KiB
C++
#include <lv2synth.hpp>
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#include "super_saw.peg"
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#include <stdio.h>
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#include <math.h>
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extern "C" void adainit(void);
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extern "C" void adafinal(void);
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extern "C" float Super_Saw(float,float,float,float,float);
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class SuperSawVoice : public LV2::Voice {
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public:
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SuperSawVoice(double rate)
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: m_key(LV2::INVALID_KEY), m_rate(rate), m_period(10), m_counter(0) {
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}
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void on(unsigned char key, unsigned char velocity) {
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m_key = key;
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m_period = m_rate / LV2::key2hz(m_key);
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}
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void off(unsigned char velocity) {
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m_key = LV2::INVALID_KEY;
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}
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unsigned char get_key() const {
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return m_key;
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}
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void render(uint32_t from, uint32_t to) {
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if (m_key == LV2::INVALID_KEY)
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return;
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for (uint32_t i = from; i < to; ++i) {
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//Time, Pitch, Detune, Mix, Sample Rate
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float detune = *p(p_Detune);
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float mix = *p(p_Mix);
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float s = Super_Saw(m_counter,LV2::key2hz(m_key),detune,mix,m_rate)/100.0;
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p(p_left)[i] += s;
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p(p_right)[i] += s;
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m_counter = (m_counter + 1);// % m_period;
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}
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}
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protected:
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unsigned char m_key;
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double m_rate;
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uint32_t m_period;
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uint32_t m_counter;
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};
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class SuperSaw : public LV2::Synth<SuperSawVoice, SuperSaw> {
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public:
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SuperSaw(double rate)
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: LV2::Synth<SuperSawVoice, SuperSaw>(p_n_ports, p_midi) {
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adainit();
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add_voices(new SuperSawVoice(rate), new SuperSawVoice(rate), new SuperSawVoice(rate));
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add_audio_outputs(p_left, p_right);
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printf("Created object");
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}
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~SuperSaw(){
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adafinal();
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}
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};
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static int _ = SuperSaw::register_class(p_uri);
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