wip: play notes only on press

inc/Adder.h

@@ -6,23 +6,21 @@
 #include <vector>
 
 struct Adder {
-    static std::vector<float>&
+    static void
     SumOscillators(const std::vector<Oscillator*>& oscillators,
-                   float duration) {
-        size_t sample_count = (size_t)(1.f/FPS * SAMPLE_RATE);
+                   std::vector<float>& signal) {
+        size_t sample_count = STREAM_BUFFER_SIZE;//(size_t)(1.f/FPS * SAMPLE_RATE);
 
-        std::vector<float>* output = new std::vector<float>();
-        output->reserve(sample_count);
+        //std::vector<float>* output = new std::vector<float>();
+        //output->reserve(sample_count);
 
         for (size_t i = 0; i < sample_count; i++) {
             float sample = 0.0f;
             for (Oscillator* osc : oscillators) {
-                sample += osc->GenerateSample(duration);
+                sample += osc->GenerateSample(1.f);
             }
 
-            output->push_back(sample);
+            signal[i] = sample;
         }
-
-        return (*output);
     }
 };

inc/Application.h

@@ -16,7 +16,7 @@ class Application {
     float* m_temp_buffer;
     Note* m_current_note;
     Renderer m_renderer;
-    std::size_t detect_note_pressed(Note* note);
+    bool detect_note_pressed(Note* note);
     void init_synth();
     void init_audio();
     void update_on_note_input();

inc/Settings.h

@@ -1,6 +1,6 @@
 #pragma once
 
-#define SAMPLE_RATE 48000.f
+#define SAMPLE_RATE 44100.f
 #define BPM 120.f
 #define BEAT_DURATION 60.f/BPM
 #define PITCH_STANDARD 440.f

inc/Synth.h

@@ -15,13 +15,14 @@ class Synth {
     // OscillatorUI* ui_oscillators;
     // Note m_current_note;
     std::vector<float> m_out_signal;
-    std::vector<float>& get_note(int semitone, float beats);
+    void get_note(int semitone, float beats);
     void apply_effects();
 
   public:
     Synth(/* args */);
     ~Synth();
     void ProduceNoteSound(Note input);
+    void StopNoteSound();
     void AddOscillator();
     void AddEffect(Effect* fx);
     const std::vector<float>& GetOutSignal() { return m_out_signal; }