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-rw-r--r--src/mdaEPiano.cpp122
1 files changed, 21 insertions, 101 deletions
diff --git a/src/mdaEPiano.cpp b/src/mdaEPiano.cpp
index a1866bd..3aa101a 100644
--- a/src/mdaEPiano.cpp
+++ b/src/mdaEPiano.cpp
@@ -19,6 +19,8 @@
#include "mdaEPianoData.h"
#include "mdaEPiano.h"
+#include "lv2/lv2plug.in/ns/ext/atom/util.h"
+
#include <stdio.h>
#include <math.h>
@@ -43,9 +45,6 @@ mdaEPiano::mdaEPiano(audioMasterCallback audioMaster) : AudioEffectX(audioMaster
fillpatch(i++, "Mellow", 0.500f, 0.500f, 0.000f, 0.000f, 0.500f, 0.650f, 0.250f, 0.500f, 0.50f, 0.500f, 0.246f, 0.000f);
fillpatch(i++, "Autopan", 0.500f, 0.500f, 0.500f, 0.500f, 0.250f, 0.650f, 0.250f, 0.500f, 0.50f, 0.500f, 0.246f, 0.000f);
fillpatch(i++, "Tremolo", 0.500f, 0.500f, 0.500f, 0.500f, 0.750f, 0.650f, 0.250f, 0.500f, 0.50f, 0.500f, 0.246f, 0.000f);
- fillpatch(i++, "(default)", 0.500f, 0.500f, 0.500f, 0.500f, 0.500f, 0.650f, 0.250f, 0.500f, 0.50f, 0.500f, 0.146f, 0.000f);
- fillpatch(i++, "(default)", 0.500f, 0.500f, 0.500f, 0.500f, 0.500f, 0.650f, 0.250f, 0.500f, 0.50f, 0.500f, 0.146f, 0.000f);
- fillpatch(i++, "(default)", 0.500f, 0.500f, 0.500f, 0.500f, 0.500f, 0.650f, 0.250f, 0.500f, 0.50f, 0.500f, 0.146f, 0.000f);
setProgram(0);
}
@@ -132,7 +131,6 @@ mdaEPiano::mdaEPiano(audioMasterCallback audioMaster) : AudioEffectX(audioMaster
voice[v].env = 0.0f;
voice[v].dec = 0.99f; //all notes off
}
- notes[0] = EVENTS_DONE;
volume = 0.2f;
muff = 160.0f;
sustain = activevoices = 0;
@@ -263,7 +261,7 @@ bool mdaEPiano::copyProgram(int32_t destination)
}
-int32_t mdaEPiano::canDo(char* text)
+int32_t mdaEPiano::canDo(const char* text)
{
if(strcmp(text, "receiveLvzEvents") == 0) return 1;
if(strcmp(text, "receiveLvzMidiEvent") == 0) return 1;
@@ -344,87 +342,19 @@ void mdaEPiano::guiGetDisplay(int32_t index, char *label)
}
-void mdaEPiano::process(float **inputs, float **outputs, int32_t sampleFrames)
-{
- float* out0 = outputs[0];
- float* out1 = outputs[1];
- int32_t event=0, frame=0, frames, v;
- float x, l, r, od=overdrive;
- int32_t i;
-
- while(frame<sampleFrames)
- {
- frames = notes[event++];
- if(frames>sampleFrames) frames = sampleFrames;
- frames -= frame;
- frame += frames;
-
- while(--frames>=0)
- {
- VOICE *V = voice;
- l = r = 0.0f;
-
- for(v=0; v<activevoices; v++)
- {
- V->frac += V->delta; //integer-based linear interpolation
- V->pos += V->frac >> 16;
- V->frac &= 0xFFFF;
- if(V->pos > V->end) V->pos -= V->loop;
- i = waves[V->pos];
- i = (i << 7) + (V->frac >> 9) * (waves[V->pos + 1] - i) + 0x40400000;
- x = V->env * (*(float *)&i - 3.0f); //fast int->float
- V->env = V->env * V->dec; //envelope
-
- if(x>0.0f) { x -= od * x * x; if(x < -V->env) x = -V->env; } //+= 0.5f * x * x; } //overdrive
-
- l += V->outl * x;
- r += V->outr * x;
-
- V++;
- }
- tl += tfrq * (l - tl); //treble boost
- tr += tfrq * (r - tr);
- r += treb * (r - tr);
- l += treb * (l - tl);
-
- lfo0 += dlfo * lfo1; //LFO for tremolo and autopan
- lfo1 -= dlfo * lfo0;
- l += l * lmod * lfo1;
- r += r * rmod * lfo1; //worth making all these local variables?
-
- *out0++ += l;
- *out1++ += r;
- }
-
- if(frame<sampleFrames)
- {
- if(activevoices == 0 && programs[curProgram].param[4] > 0.5f)
- { lfo0 = -0.7071f; lfo1 = 0.7071f; } //reset LFO phase - good idea?
- int32_t note = notes[event++];
- int32_t vel = notes[event++];
- noteOn(note, vel);
- }
- }
- if(fabs(tl)<1.0e-10) tl = 0.0f; //anti-denormal
- if(fabs(tr)<1.0e-10) tr = 0.0f;
-
- for(v=0; v<activevoices; v++) if(voice[v].env < SILENCE) voice[v] = voice[--activevoices];
- notes[0] = EVENTS_DONE; //mark events buffer as done
-}
-
-
void mdaEPiano::processReplacing(float **inputs, float **outputs, int32_t sampleFrames)
{
float* out0 = outputs[0];
float* out1 = outputs[1];
- int32_t event=0, frame=0, frames, v;
+ int32_t frame=0, frames, v;
float x, l, r, od=overdrive;
int32_t i;
+ LV2_Atom_Event* ev = lv2_atom_sequence_begin(&eventInput->body);
while(frame<sampleFrames)
{
- frames = notes[event++];
- if(frames>sampleFrames) frames = sampleFrames;
+ bool end = lv2_atom_sequence_is_end(&eventInput->body, eventInput->atom.size, ev);
+ frames = end ? sampleFrames : ev->time.frames;
frames -= frame;
frame += frames;
@@ -473,16 +403,18 @@ void mdaEPiano::processReplacing(float **inputs, float **outputs, int32_t sample
{
if(activevoices == 0 && programs[curProgram].param[4] > 0.5f)
{ lfo0 = -0.7071f; lfo1 = 0.7071f; } //reset LFO phase - good idea?
- int32_t note = notes[event++];
- int32_t vel = notes[event++];
- noteOn(note, vel);
+
+ if (!end) {
+ processEvent(ev);
+ ev = lv2_atom_sequence_next(ev);
+ }
+
}
}
if(fabs(tl)<1.0e-10) tl = 0.0f; //anti-denormal
if(fabs(tr)<1.0e-10) tr = 0.0f;
for(v=0; v<activevoices; v++) if(voice[v].env < SILENCE) voice[v] = voice[--activevoices];
- notes[0] = EVENTS_DONE; //mark events buffer as done
}
@@ -561,29 +493,23 @@ void mdaEPiano::noteOn(int32_t note, int32_t velocity)
}
-int32_t mdaEPiano::processEvents(LvzEvents* ev)
+int32_t mdaEPiano::processEvent(const LV2_Atom_Event* ev)
{
float * param = programs[curProgram].param;
- int32_t npos=0;
- for (int32_t i=0; i<ev->numEvents; i++)
- {
- if((ev->events[i])->type != kLvzMidiType) continue;
- LvzMidiEvent* event = (LvzMidiEvent*)ev->events[i];
- char* midiData = event->midiData;
+ if (ev->body.type != midiEventType)
+ return 0;
+
+ const uint8_t* midiData = (const uint8_t*)LV2_ATOM_BODY(&ev->body);
switch(midiData[0] & 0xf0) //status byte (all channels)
{
case 0x80: //note off
- notes[npos++] = event->deltaFrames; //delta
- notes[npos++] = midiData[1] & 0x7F; //note
- notes[npos++] = 0; //vel
+ noteOn(midiData[1] & 0x7F, 0);
break;
case 0x90: //note on
- notes[npos++] = event->deltaFrames; //delta
- notes[npos++] = midiData[1] & 0x7F; //note
- notes[npos++] = midiData[2] & 0x7F; //vel
+ noteOn(midiData[1] & 0x7F, midiData[2] & 0x7F);
break;
case 0xB0: //controller
@@ -608,9 +534,7 @@ int32_t mdaEPiano::processEvents(LvzEvents* ev)
sustain = midiData[2] & 0x40;
if(sustain==0)
{
- notes[npos++] = event->deltaFrames;
- notes[npos++] = SUSTAIN; //end all sustained notes
- notes[npos++] = 0;
+ noteOn(SUSTAIN, 0); //end all sustained notes
}
break;
@@ -632,10 +556,6 @@ int32_t mdaEPiano::processEvents(LvzEvents* ev)
default: break;
}
- if(npos>EVENTBUFFER) npos -= 3; //discard events if buffer full!!
- event++; //?
- }
- notes[npos] = EVENTS_DONE;
return 1;
}
generated by cgit v1.2.1 (git 2.18.0) at 2024-04-28 08:30:47 +0000