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/*
flext tutorial - signal 2
Copyright (c) 2002 Thomas Grill (xovo@gmx.net)
For information on usage and redistribution, and for a DISCLAIMER OF ALL
WARRANTIES, see the file, "license.txt," in this distribution.
-------------------------------------------------------------------------
This is an object showing varous parameters of the pd audio system
*/
// include flext header
#include <flext.h>
// check for appropriate flext version
#if !defined(FLEXT_VERSION) || (FLEXT_VERSION < 300)
#error You need at least flext version 0.3.0
#endif
// define the class that stands for a pd/Max object
// Attention: the class name must be the same as the object name!! (without the ~)
class signal2:
// inherit from flext dsp class
public flext_dsp
{
// obligatory flext header (class name,base class name)
FLEXT_HEADER(signal2,flext_dsp)
public:
// constructor
signal2();
protected:
void m_bang(); // method for bang
// this virtual function is obligatory for objects derived from flext_dsp
virtual void m_signal(int n, float *const *in, float *const *out);
private:
FLEXT_CALLBACK(m_bang); // callback for method "m_bang"
};
// instantiate the class
FLEXT_NEW_DSP("signal2~",signal2)
signal2::signal2()
{
// define inlets:
// first inlet must always by of type anything (or signal for dsp objects)
AddInAnything(); // add one inlet for any message
// add outlets for sample rate, block size, audio in and out channel count
AddOutFloat(1);
AddOutInt(3); // although PD knows no int type, flext does!
// set up inlets and outlets - obligatory!
SetupInOut();
// register methods
FLEXT_ADDBANG(0,m_bang); // register method "m_bang" for bang message into inlet 0
}
void signal2::m_bang()
{
// output various parameters of the pd audio system
ToOutFloat(0,Samplerate());
ToOutInt(1,Blocksize());
ToOutInt(2,ChannelsIn());
ToOutInt(3,ChannelsOut());
}
void signal2::m_signal(int, float *const *, float *const *)
{
// do no dsp work
}
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