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Yet Another Synthesizer Engine
 
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Public Member Functions | List of all members
yase::AutoLoad Class Reference

#include <auto_load.hh>

+ Inheritance diagram for yase::AutoLoad:
+ Collaboration diagram for yase::AutoLoad:

Detailed Description

A parameter auto-loader that continually reloads a *.json file.

Here is an example:

//
// YASE Example
//
// Copyright (C) 2022 Eric Klavins
// This file is part of YASE
//
// YASE is free software: you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the Free Software
// Foundation, either version 3 of the License, or (at your option) any later
// version.
//
// YASE 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 General Public License for more
// details.
//
// You should have received a copy of the GNU General Public License along
// with YASE. If not, see <https://www.gnu.org/licenses/>.
//
#include "yase.hh"
using namespace yase;
int main(int argc, char * argv[]) {
Sine sine;
Audio audio;
Container synth;
AutoLoad parameters("parameters.json");
Transform invert([](double u) { return -u;});
synth.connect(parameters, "sine", sine)
.connect(sine, invert)
.connect(sine,"signal",audio,"left")
.connect(invert,"signal",audio,"right");
synth.run(UNTIL_INTERRUPTED);
return 0;
}
yase::Audio
A module wrapper for a stereo PortAudio interface (http://www.portaudio.com/).
Definition audio.hh:46
yase::AutoLoad
A parameter auto-loader that continually reloads a *.json file.
Definition auto_load.hh:36
yase::Container
A module and event manager that can contain other modules.
Definition container.hh:63
yase::Container::connect
Container & connect(Module &source, string output, Module &dest, string input)
Definition container.cc:111
yase::Container::run
void run(int num_steps)
Definition container.cc:374
yase::Sine
A sine wave oscillator.
Definition sine.hh:39
yase::Transform
Transform an input signal with a stateless, user-defined function.
Definition transform.hh:36
UNTIL_INTERRUPTED
#define UNTIL_INTERRUPTED
Use as in Synthesizer::run(UNTIL_INTERUPTED)
Definition globals.hh:27
yase
Definition additive_saw.cc:24

The file parameters.json contains

{
"sine": {
"frequency": 250
}
}

Public Member Functions

 AutoLoad (string path)
 
void init ()
 
void update ()
 
void reload ()
 
void associate (string category, string param, Module &module)
 
bool provides (string category, string param)
 
- Public Member Functions inherited from yase::Module
virtual void init ()=0
 
virtual void update ()=0
 
int add_input (string name)
 
int add_output (string name)
 
int get_input_index (string name) const
 
string get_input_name (int index) const
 
string get_output_name (int index) const
 
int get_output_index (string name) const
 
void set_input (string name, double value)
 
void set_input (int index, double value)
 
double get_input (int index) const
 
double get_input (string name) const
 
double get_output (string name) const
 
double get_output (int index) const
 
void set_output (int index, double value)
 
void copy_inputs (const Module &source)
 
void copy_outputs (Module &destination) const
 
void configure (std::vector< std::tuple< string, double > > assignments)
 
int num_inputs () const
 
int num_outputs () const
 
void emit (Event e)
 
void set_ts (double s)
 
double get_ts ()
 

Member Function Documentation

◆ init()

void yase::AutoLoad::init ( )
virtual

This method should be overridden by derived classes. It will usually be called once, after all modules and connections objects have been added to a synthesizer, but before the synthesizer starts running.

Implements yase::Module.

◆ update()

void yase::AutoLoad::update ( )
virtual

This method should be overridden by derived classes. It will be called repeatedly by a synthesizer at a frequency determined by SAMPLE_RATE.

Implements yase::Module.

The documentation for this class was generated from the following files: