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svn path=/trunk/; revision=187

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diff --git a/externals/grill/flext/source/fldsp.h b/externals/grill/flext/source/fldsp.h
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+/* 
+
+flext - C++ layer for Max/MSP and pd (pure data) externals
+
+Copyright (c) 2001,2002 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.  
+
+*/
+
+/*! \file fldsp.h
+    \brief Declares the flext dsp class
+    
+*/
+
+#ifndef __FLDSP_H
+#define __FLDSP_H
+
+// include the header file declaring the base classes
+#include "flext.h"
+
+
+// === flext_dsp ==================================================
+
+/*! \brief Flext dsp enabled base object
+*/
+class flext_dsp:
+	public flext_base
+{
+	FLEXT_HEADER_S(flext_dsp,flext_base,Setup)
+	
+public:
+
+/*!	\defgroup FLEXT_C_DSP Flext basic dsp functionality
+
+	@{ 
+*/
+
+	//! returns current sample rate
+	float Samplerate() const { return srate; }
+	
+	//! returns current block (aka vector) size
+	int Blocksize() const { return blksz; }
+	
+	/*! \brief returns number of audio system input channels
+		\bug Doesn't work in Max/MSP - is always 0
+	*/
+	int ChannelsIn() const { return chnsin; }
+
+	/*! \brief returns number of audio system output channels
+		\bug Doesn't work in Max/MSP - is always 0
+	*/
+	int ChannelsOut() const { return chnsout; }
+	
+//!	@} 
+
+
+// --- inheritable virtual methods --------------------------------
+
+/*!	\defgroup FLEXT_C_VIRTUAL_DSP Flext virtual dsp functions
+
+	@{ 
+*/
+	/*! \brief Called on every dsp init.
+		\note Don't expect any valid data in the signal vectors!
+
+		\param n: frames (aka samples) in one signal vector
+		\param insigs: array of input vectors  (get number with function CntInSig())
+		\param outsigs: array of output vectors  (get number with function CntOutSig())
+	*/
+	virtual void m_dsp(int n,t_sample *const *insigs,t_sample *const *outsigs);
+
+	/*! \brief Called with every signal vector - here you do the dsp calculation
+
+		\param n: frames (aka samples) in one signal vector
+		\param insigs: array of input vectors  (get number with function CntInSig())
+		\param outsigs: array of output vectors  (get number with function CntOutSig())
+	*/
+	virtual void m_signal(int n,t_sample *const *insigs,t_sample *const *outsigs);
+
+#ifndef MAXMSP
+	/*! \brief called with "enable" message: pauses/resumes dsp
+		\note PD only - implicitely defined in MaxMSP
+	*/
+	virtual void m_enable(bool on);
+#endif
+
+//!	@} 
+
+
+/*!	\defgroup FLEXT_C_INOUT_DSP Flext dsp in-/outlet functions
+	\note These must be called in the class' constructor
+
+	@{ 
+*/
+// --- inlet/outlet stuff -----------------------------------------	
+
+	/*! \brief Add signal inlet(s)
+		\param m Number of inlets to add
+	*/
+	void AddInSignal(int m = 1) { AddInlet(xlet::tp_sig,m); }
+
+	/*! \brief Add signal outlet(s)
+		\param m Number of inlets to add
+	*/
+	void AddOutSignal(int m = 1) { AddOutlet(xlet::tp_sig,m); }
+
+//!	@} 
+
+
+protected:
+	
+	flext_dsp();
+	virtual ~flext_dsp();
+
+private:
+
+	// not static, could be different in different patchers..
+	float srate; 
+	int blksz;
+	int chnsin,chnsout;
+
+	// setup function
+	static void Setup(t_class *c);
+
+	// callback functions
+
+	static void cb_dsp(t_class *c,t_signal **s);
+#ifndef MAXMSP
+	static void cb_enable(t_class *c,t_flint on);
+	bool dspon;
+#endif
+
+	// dsp stuff
+
+	static t_int *dspmeth(t_int *w); 
+	t_sample **invecs,**outvecs;
+};
+
+#endif