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/**************************************************************************
* Copyright 2018 Olivier Belanger *
* *
* This file is part of pyo-plug, an audio plugin using the python *
* module pyo to create the dsp. *
* *
* pyo-plug is free software: you can redistribute it and/or modify *
* it under the terms of the GNU Lesser General Public License as *
* published by the Free Software Foundation, either version 3 of the *
* License, or (at your option) any later version. *
* *
* pyo-plug is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU Lesser General Public License for more details. *
* *
* You should have received a copy of the GNU LGPL along with pyo-plug. *
* If not, see <http://www.gnu.org/licenses/>. *
* *
*************************************************************************/
#include "PyoClass.h"
Pyo::Pyo() {
interpreter = nullptr;
}
Pyo::~Pyo() {
if (interpreter != NULL) {
pyo_end_interpreter(interpreter);
}
}
void Pyo::setup(int _nChannels, int _bufferSize, int _sampleRate) {
nChannels = _nChannels;
bufferSize = _bufferSize;
sampleRate = _sampleRate;
interpreter = pyo_new_interpreter(sampleRate, bufferSize, nChannels);
pyoInBuffer = reinterpret_cast<float*>(pyo_get_input_buffer_address(interpreter));
pyoOutBuffer = reinterpret_cast<float*>(pyo_get_output_buffer_address(interpreter));
pyoCallback = reinterpret_cast<callPtr*>(pyo_get_embedded_callback_address(interpreter));
pyoId = pyo_get_server_id(interpreter);
pyo_set_server_params(interpreter, sampleRate, bufferSize);
}
void Pyo::setbpm(double bpm) {
pyo_set_bpm(interpreter, bpm);
}
void Pyo::process(AudioBuffer<float>& buffer) {
for (int channel = 0; channel < nChannels; ++channel) {
float *channelData = buffer.getWritePointer(channel);
for (int sample = 0; sample < bufferSize; sample++) {
pyoInBuffer[sample*nChannels+channel] = channelData[sample];
}
}
pyoCallback(pyoId);
for (int channel = 0; channel < nChannels; ++channel) {
float *channelData = buffer.getWritePointer(channel);
for (int sample = 0; sample < bufferSize; sample++) {
channelData[sample] = pyoOutBuffer[sample*nChannels+channel];
}
}
}
int Pyo::loadfile(const char *file, int add) {
return pyo_exec_file(interpreter, file, pyoMsg, add);
}
int Pyo::loadfile(const String &file, int add) {
return pyo_exec_file(interpreter, file.getCharPointer(), pyoMsg, add);
}
int Pyo::exec(const char *_msg) {
strcpy(pyoMsg, _msg);
return pyo_exec_statement(interpreter, pyoMsg, 0);
}
int Pyo::exec(const String &_msg) {
strcpy(pyoMsg, _msg.getCharPointer());
return pyo_exec_statement(interpreter, pyoMsg, 0);
}
int Pyo::value(const char *name, float value) {
sprintf(pyoMsg, "%s.value=%f", name, value);
return pyo_exec_statement(interpreter, pyoMsg, 0);
}
int Pyo::value(const String &name, float value) {
const char * _name = name.getCharPointer();
sprintf(pyoMsg, "%s.value=%f", _name, value);
return pyo_exec_statement(interpreter, pyoMsg, 0);
}
int Pyo::value(const char *name, float *value, int len) {
char fchar[32];
sprintf(pyoMsg, "%s.value=[", name);
for (int i=0; i<len; i++) {
sprintf(fchar, "%f,", value[i]);
strcat(pyoMsg, fchar);
}
strcat(pyoMsg, "]");
return pyo_exec_statement(interpreter, pyoMsg, 0);
}
int Pyo::value(const String &name, float *value, int len) {
char fchar[32];
const char * _name = name.getCharPointer();
sprintf(pyoMsg, "%s.value=[", _name);
for (int i=0; i<len; i++) {
sprintf(fchar, "%f,", value[i]);
strcat(pyoMsg, fchar);
}
strcat(pyoMsg, "]");
return pyo_exec_statement(interpreter, pyoMsg, 0);
}
int Pyo::set(const char *name, float value) {
sprintf(pyoMsg, "%s=%f", name, value);
return pyo_exec_statement(interpreter, pyoMsg, 0);
}
int Pyo::set(const String &name, float value) {
const char * _name = name.getCharPointer();
sprintf(pyoMsg, "%s=%f", _name, value);
return pyo_exec_statement(interpreter, pyoMsg, 0);
}
int Pyo::set(const char *name, float *value, int len) {
char fchar[32];
sprintf(pyoMsg, "%s=[", name);
for (int i=0; i<len; i++) {
sprintf(fchar, "%f,", value[i]);
strcat(pyoMsg, fchar);
}
strcat(pyoMsg, "]");
return pyo_exec_statement(interpreter, pyoMsg, 0);
}
int Pyo::set(const String &name, float *value, int len) {
char fchar[32];
const char * _name = name.getCharPointer();
sprintf(pyoMsg, "%s=[", _name);
for (int i=0; i<len; i++) {
sprintf(fchar, "%f,", value[i]);
strcat(pyoMsg, fchar);
}
strcat(pyoMsg, "]");
return pyo_exec_statement(interpreter, pyoMsg, 0);
}
void Pyo::midi(int status, int data1, int data2) {
pyo_add_midi_event(interpreter, status, data1, data2);
}
void Pyo::clear() {
pyo_server_reboot(interpreter);
}
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