michal/harmonizer_plugin
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midi notes avaiable on ui

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michalcourson
2025-10-30 21:39:06 -04:00
parent 3645e38dd5
commit 55e80b4c74
7 changed files with 604 additions and 303 deletions
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22
Source/Shifter.cpp
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@ -67,14 +67,17 @@ static inline bool float_equal(float one, float two) {
return abs(one - two) < 1e-5f;
}
void Shifter::Init()
void Shifter::Init(float samplerate, int samplesPerBlock)
{
sample_rate_ = samplerate;
blocksize = samplesPerBlock;
out_midi_smoother.SetFrameTime((float)samplesPerBlock / samplerate);
volume = 1;
helm.setframesize(1024);
helm.setoverlap(1);
for (int i = 0; i < MAX_VOICES; ++i)
{
voices[i].Init(48000);
voices[i].Init(samplerate);
}
for (int i = 0; i < BUFFER_SIZE; ++i)
{
@ -148,13 +151,13 @@ void Shifter::DetectPitch(const float* const* in, float** out, size_t size)
// Smoothly filter in_period changes
in_period = in_period * in_period_filter_amount + period * (1.0f - in_period_filter_amount);
}
float in_freq = 48000 / in_period;
float in_freq = sample_rate_ / in_period;
float midi = (12 * log2f(in_freq / 440) + 69.0f);
//target_out_period = in_period * out_period_filter_amount + target_out_period * (1 - out_period_filter_amount);
out_midi = out_midi_smoother.update(midi, (int)(midi+.5));
out_period = 48000.0f / mtof(out_midi);
out_period = sample_rate_ / mtof(out_midi);
}
void Shifter::SetRates() {}
@ -275,8 +278,8 @@ void Shifter::GetSamples(float** output, const float* input, size_t size)
//add new samples if necessary
for (int out_p = 0; out_p < MAX_VOICES; ++out_p)
{
voices[out_p].Process();
if (!voices[out_p].IsActive()) continue;
voices[out_p].Process();
if (voices[out_p].PeriodOverflow())
{
float resampling_period = GetOutputEnvelopePeriod(out_p);
@ -328,12 +331,12 @@ void Shifter::GetSamples(float** output, const float* input, size_t size)
void Shifter::AddMidiNote(int note) {
for (int i = 0; i < MAX_VOICES; ++i) {
if (voices[i].IsActive() && voices[i].GetMidiNote() == note) {
return;
if (voices[i].onoff_ && voices[i].GetMidiNote() == note) {
voices[i].Release();
}
}
for (int i = 0; i < MAX_VOICES; ++i) {
if (!voices[i].IsActive()) {
if (!voices[i].onoff_) {
voices[i].Trigger(note);
return;
}
@ -343,9 +346,8 @@ void Shifter::AddMidiNote(int note) {
void Shifter::RemoveMidiNote(int note) {
for (int i = 0; i < MAX_VOICES; ++i) {
if (voices[i].IsActive() && voices[i].GetMidiNote() == note) {
if (voices[i].GetMidiNote() == note) {
voices[i].Release();
return;
}
}
}