From b418fb91e7bb45d7b5f1eb8b19703441ae94eb13 Mon Sep 17 00:00:00 2001
From: Hans-Christoph Steiner <eighthave@users.sourceforge.net>
Date: Thu, 9 Feb 2006 16:18:39 +0000
Subject: got everything building and working, including building
 single-object/single-file objects with a shared dylib.  Now got to get it
 integrated into the build system

svn path=/trunk/externals/fftease/; revision=4574
---
 residency~.c | 592 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 592 insertions(+)
 create mode 100644 residency~.c

(limited to 'residency~.c')

diff --git a/residency~.c b/residency~.c
new file mode 100644
index 0000000..6e84938
--- /dev/null
+++ b/residency~.c
@@ -0,0 +1,592 @@
+#include "MSPd.h"
+#include "fftease.h"
+
+#if MSP
+void *residency_class;
+#endif 
+
+#if PD
+static t_class *residency_class;
+#endif
+
+#define OBJECT_NAME "residency~"
+
+typedef struct _residency
+{
+#if MSP
+	t_pxobject x_obj;
+#endif
+#if PD
+	t_object x_obj;
+	float x_f;
+#endif 
+	int R;
+	int	N;
+	int	N2;
+	int	Nw;
+	int	Nw2; 
+	int	D; 
+	int	i;
+	int	inCount;
+	float *Wanal;	
+	float *Wsyn;	
+	float *input;	
+	float *Hwin;
+	float *buffer;
+	float *channel;
+	float *output;
+	float **loveboat;
+	float current_frame;
+	int framecount;
+	//
+	float frame_increment ;
+	float fpos;
+	float last_fpos;
+	float tadv;
+	// for convert
+	float *c_lastphase_in;
+	float *c_lastphase_out;
+	float c_fundamental;
+	float c_factor_in;
+	float c_factor_out;
+	// faster fft
+	float mult; 
+	float *trigland;
+	int *bitshuffle;
+	int read_me;
+	int frames_read;
+	//  int MAXFRAMES;
+	short mute;
+	short virgin;
+	short playthrough;
+	short in2_connected;
+	short in3_connected;
+	int overlap;
+	int winfac;
+	int hopsize;
+	// int windowsize;
+	float duration;
+	short lock;
+	short verbose;
+	short override;
+	float *input_vec;
+	float sync;
+} t_residency;
+
+void *residency_new(t_symbol *s, int argc, t_atom *argv);
+t_int *residency_perform(t_int *w);
+void residency_dsp(t_residency *x, t_signal **sp, short *count);
+void residency_assist(t_residency *x, void *b, long m, long a, char *s);
+void residency_bangname(t_residency *x) ;
+void residency_fftinfo(t_residency *x) ;
+void residency_playthrough( t_residency *x, t_floatarg tog) ;
+void residency_float(t_residency *x, double f) ;
+void residency_mute(t_residency *x, t_floatarg tog);
+void residency_free(t_residency *x);
+void residency_init(t_residency *x, short initialized);
+void residency_size(t_residency *x, t_floatarg newsize);
+void residency_winfac(t_residency *x, t_floatarg factor);
+void residency_overlap(t_residency *x, t_floatarg o);
+void residency_verbose(t_residency *x, t_floatarg t);
+void residency_acquire_sample(t_residency *x);
+void residency_meminfo( t_residency *x );
+
+#if MSP
+void main(void)
+{
+	setup((t_messlist **)&residency_class, (method)residency_new, (method)residency_free, 
+		  (short)sizeof(t_residency), 0L, A_GIMME,0);
+	addmess((method)residency_dsp, "dsp", A_CANT, 0);
+	addmess((method)residency_assist,"assist",A_CANT,0);
+	addfloat((method)residency_float);
+	addbang((method)residency_bangname);
+	addmess((method)residency_mute, "mute", A_FLOAT, 0);
+	addmess((method)residency_fftinfo, "fftinfo",  0);
+	addmess((method)residency_meminfo, "meminfo",  0);
+	addmess((method)residency_playthrough, "playthrough", A_DEFFLOAT, 0);
+	addmess((method)residency_size, "size", A_DEFFLOAT, 0);
+	addmess((method)residency_overlap, "overlap", A_DEFFLOAT, 0);
+	addmess((method)residency_winfac, "winfac", A_DEFFLOAT, 0);
+	addmess((method)residency_verbose, "verbose", A_DEFFLOAT, 0);
+	dsp_initclass();
+	post("%s %s",OBJECT_NAME,FFTEASE_ANNOUNCEMENT);
+}
+#endif
+
+#if PD
+void residency_tilde_setup(void)
+{
+	residency_class = class_new(gensym("residency~"), (t_newmethod)residency_new, 
+								(t_method)residency_free ,sizeof(t_residency), 0,A_GIMME,0);
+	CLASS_MAINSIGNALIN(residency_class, t_residency, x_f);
+	class_addmethod(residency_class,(t_method)residency_dsp,gensym("dsp"),0);
+	class_addmethod(residency_class,(t_method)residency_mute,gensym("mute"),A_FLOAT,0);
+	class_addmethod(residency_class,(t_method)residency_fftinfo,gensym("fftinfo"),0);
+	class_addmethod(residency_class,(t_method)residency_meminfo,gensym("meminfo"),0);
+	class_addmethod(residency_class,(t_method)residency_playthrough,gensym("playthrough"),A_FLOAT,0); 
+	class_addmethod(residency_class,(t_method)residency_size,gensym("size"),A_FLOAT,0);
+	class_addmethod(residency_class,(t_method)residency_overlap,gensym("overlap"),A_FLOAT,0); 
+	class_addmethod(residency_class,(t_method)residency_winfac,gensym("winfac"),A_FLOAT,0);  
+	class_addmethod(residency_class,(t_method)residency_verbose,gensym("verbose"),A_FLOAT,0);
+	class_addmethod(residency_class,(t_method)residency_acquire_sample,gensym("acquire_sample"),0);
+	post("%s %s",OBJECT_NAME,FFTEASE_ANNOUNCEMENT);
+}
+#endif
+
+void residency_meminfo( t_residency *x )
+{
+    post("%d frames in buffer", x->framecount);
+    post("frame_duration: %f, actual time in buffer: %f", x->tadv, (float)(x->framecount) * x->tadv);
+	
+}
+
+void residency_overlap(t_residency *x, t_floatarg f)
+{
+	int i = (int) f;
+	if(!power_of_two(i)){
+		error("%f is not a power of two",f);
+		return;
+	}
+	x->overlap = i;
+	residency_init(x,1);
+}
+
+void residency_winfac(t_residency *x, t_floatarg f)
+{
+	int i = (int)f;
+	
+	if(!power_of_two(i)){
+		error("%f is not a power of two",f);
+		return;
+	}
+	x->winfac = i;
+	//  post("called winfac");
+	residency_init(x,2);
+}
+
+void residency_fftinfo(t_residency *x)
+{
+	if( ! x->overlap ){
+		post("zero overlap!");
+		return;
+	}
+	post("%s: FFT size %d, hopsize %d, windowsize %d", OBJECT_NAME, x->N, x->N/x->overlap, x->Nw);
+}
+
+void residency_verbose(t_residency *x, t_floatarg t)
+{
+	x->verbose = t;
+}
+
+void residency_size(t_residency *x, t_floatarg newsize)
+{
+	//protect with DACs off?
+	
+	if(newsize > 0.0){//could be horrendous size, but that's the user's problem
+		x->duration = newsize/1000.0;
+		residency_init(x,1);  	
+	}
+}
+
+void residency_playthrough (t_residency *x, t_floatarg tog)
+{
+	x->playthrough = tog;
+}
+
+void residency_free(t_residency *x){
+	int i ;
+#if MSP
+	dsp_free((t_pxobject *)x);
+#endif
+	for(i = 0; i < x->framecount; i++){
+		freebytes(x->loveboat[i],0) ;
+	}
+	freebytes(x->loveboat,0);
+	freebytes(x->c_lastphase_in,0);
+	freebytes(x->c_lastphase_out,0);
+	freebytes(x->trigland,0);
+	freebytes(x->bitshuffle,0);
+	freebytes(x->Wanal,0);
+	freebytes(x->Wsyn,0);
+	freebytes(x->input,0);
+	freebytes(x->Hwin,0);
+	freebytes(x->buffer,0);
+	freebytes(x->channel,0);
+	freebytes(x->output,0);
+}
+
+
+
+void residency_init(t_residency *x, short initialized)
+{
+	int i;
+	
+	int last_framecount = x->framecount;
+	x->lock = 1;
+	x->virgin = 1;
+	
+	if(!x->winfac)
+		x->winfac = 1;
+	if(!x->overlap)
+		x->overlap = 4;
+	if(!x->R)
+		x->R = 44100;
+	if(!x->D)
+		x->D = 256;
+	x->N = x->D * x->overlap;
+	x->Nw = x->N * x->winfac;
+	limit_fftsize(&x->N,&x->Nw,OBJECT_NAME);
+	x->N2 = (x->N)>>1;
+	x->Nw2 = (x->Nw)>>1;
+	x->inCount = -(x->Nw);
+	x->mult = 1. / (float) x->N;
+	x->current_frame = 0;
+	x->fpos = x->last_fpos = 0;
+	x->tadv = (float)x->D/(float)x->R;
+	x->c_fundamental = (float)x->R/((x->N2)<<1);
+	x->c_factor_in = (float) x->R/((float)x->D * TWOPI);
+	x->c_factor_out = TWOPI * (float)x->D / (float)x->R;
+	
+	if( x->duration <= 0 ){
+		x->duration = 1.0;
+	}
+	
+	x->framecount =  x->duration / x->tadv ;
+	x->hopsize = x->N / x->overlap;
+	x->read_me = 0;
+	
+	if(!initialized){
+		x->sync = 0;
+		x->mute = 0;
+		x->in2_connected = 0;
+		x->in3_connected = 0;
+		x->playthrough = 0;
+		x->frame_increment = 1.0;
+		x->verbose = 0;
+		
+		
+		x->Wanal = (float *) getbytes( (MAX_Nw) * sizeof(float));	
+		x->Wsyn = (float *) getbytes( (MAX_Nw) * sizeof(float));	
+		x->Hwin = (float *) getbytes( (MAX_Nw) * sizeof(float));	
+		x->input = (float *) getbytes( MAX_Nw * sizeof(float) );	
+		x->output = (float *) getbytes( MAX_Nw * sizeof(float) );
+		x->buffer = (float *) getbytes( MAX_N * sizeof(float) );
+		x->channel = (float *) getbytes( (MAX_N+2) * sizeof(float) );
+		x->bitshuffle = (int *) getbytes( MAX_N * 2 * sizeof( int ) );
+		x->trigland = (float *) getbytes( MAX_N * 2 * sizeof( float ) );
+		x->c_lastphase_in = (float *) getbytes( (MAX_N2+1) * sizeof(float) );
+		x->c_lastphase_out = (float *) getbytes( (MAX_N2+1) * sizeof(float) );
+		
+		x->input_vec = (float *) getbytes(8192  * sizeof(float));
+		x->loveboat = (float **) getbytes(x->framecount * sizeof(float *));
+		for(i=0;i<x->framecount;i++){
+			x->loveboat[i] = (float *) getbytes(((x->N)+2) * sizeof(float));
+			if(x->loveboat[i] == NULL){
+				error("memory error");
+				return;
+			}
+			memset((char *)x->loveboat[i],0,(x->N+2)*sizeof(float));
+		}
+	} else if(initialized == 1){
+		
+		for(i = 0; i < last_framecount; i++){
+			freebytes(x->loveboat[i],0) ;
+		}
+		freebytes(x->loveboat,0);
+		x->loveboat = (float **) getbytes(x->framecount * sizeof(float *));  
+		for(i=0;i<x->framecount;i++){
+			x->loveboat[i] = (float *) getbytes((x->N+2) * sizeof(float));
+			if(x->loveboat[i] == NULL){
+				error("memory error");
+				return;
+			}
+			memset((char *)x->loveboat[i],0,(x->N+2)*sizeof(float));
+		}
+	} 
+	memset((char *)x->input,0,x->Nw * sizeof(float));
+	memset((char *)x->output,0,x->Nw * sizeof(float));
+	memset((char *)x->c_lastphase_in,0,(x->N2+1) * sizeof(float));
+	memset((char *)x->c_lastphase_out,0,(x->N2+1) * sizeof(float));
+	
+	makewindows( x->Hwin, x->Wanal, x->Wsyn, x->Nw, x->N, x->D);
+	init_rdft( x->N, x->bitshuffle, x->trigland);
+	
+	x->lock = 0;
+}
+
+void *residency_new(t_symbol *s, int argc, t_atom *argv)
+{
+#if MSP
+	t_residency *x = (t_residency *)newobject(residency_class);
+	dsp_setup((t_pxobject *)x,3);
+	outlet_new((t_pxobject *)x, "signal");
+	outlet_new((t_pxobject *)x, "signal");
+#endif
+	
+#if PD
+	t_residency *x = (t_residency *)pd_new(residency_class);
+	inlet_new(&x->x_obj, &x->x_obj.ob_pd,gensym("signal"), gensym("signal"));
+	inlet_new(&x->x_obj, &x->x_obj.ob_pd,gensym("signal"), gensym("signal"));
+	outlet_new(&x->x_obj, gensym("signal"));
+	outlet_new(&x->x_obj, gensym("signal"));
+#endif
+	//  x->x_obj.z_misc |= Z_NO_INPLACE; 
+	x->duration = atom_getfloatarg(0,argc,argv)/1000.0;
+	x->overlap = atom_getfloatarg(1,argc,argv);
+	x->winfac = atom_getfloatarg(2,argc,argv);
+	
+	x->D = sys_getblksize();
+	x->R = sys_getsr();
+	
+	residency_init(x,0);
+	
+	return (x);
+}
+
+t_int *residency_perform(t_int *w)
+{	
+	int i, j;
+	float sample;
+	
+	////////////////////////////////////////////// 
+	t_residency *x = (t_residency *) (w[1]);
+	t_float *in = (t_float *)(w[2]);
+	t_float *increment = (t_float *)(w[3]);
+	t_float *position = (t_float *)(w[4]);
+	t_float *out = (t_float *)(w[5]);
+	t_float *vec_sync = (t_float *) (w[6]);
+	t_int n = w[7];
+	
+	int inCount = x->inCount;
+	int R = x->R;
+	int N = x->N;
+	int N2 = x->N2;
+	int D = x->D;
+	int Nw = x->Nw;
+	float *Wanal = x->Wanal;
+	float *Wsyn = x->Wsyn;		
+	float *input = x->input;
+	float *output = x->output;
+	float *buffer = x->buffer;
+	float *channel = x->channel;
+	float *input_vec = x->input_vec;
+	float fframe = x->current_frame ;
+	float last_fpos = x->last_fpos ;
+	int framecount = x->framecount;
+	float fincr = x->frame_increment;
+	float fpos = x->fpos;
+	float mult = x->mult;
+	int *bitshuffle = x->bitshuffle;
+	float *trigland = x->trigland ;
+	float *c_lastphase_in = x->c_lastphase_in;
+	float *c_lastphase_out = x->c_lastphase_out;
+	float c_fundamental = x->c_fundamental;
+	float c_factor_in = x->c_factor_in;
+	float c_factor_out = x->c_factor_out;
+	float sync = x->sync;
+	
+	if(x->lock || x->mute){
+		while(n--){
+			*out++ = 0.0;
+			*vec_sync++ = sync;
+		}
+		return (w+8);
+	}
+	
+#if MSP
+	if (x->in2_connected) {
+		fincr = *increment; 
+	} 
+	if (x->in3_connected) {
+		fpos = *position; 
+	} 
+#endif
+	
+#if PD
+	fincr = *increment;
+	fpos = *position;
+#endif
+	
+	inCount += D;
+	
+	for(i = 0; i < D; i++){
+		input_vec[i] = in[i];
+	}
+	if(x->read_me) {
+		for ( j = 0 ; j < Nw - D ; j++ ){
+			input[j] = input[j+D];
+		}
+		for (i = 0,j = Nw - D; j < Nw; j++, i++) {
+			input[j] = input_vec[i];
+		}
+		if(framecount > 0)
+			sync = (float)x->frames_read/(float)framecount;
+		
+		
+		if( x->playthrough ){
+			for ( i = 0, j = Nw - D; j < Nw; j++, i++ ) {
+				out[i] = input_vec[i] * 0.5;
+				vec_sync[i] = sync;
+			}
+		}
+		else { 
+			for ( j = 0; j < D; j++ ){
+				out[j] = 0.0;
+				vec_sync[j] = sync;
+			}
+		}
+		
+		fold(input, Wanal, Nw, buffer, N, inCount);	
+		rdft(N, 1, buffer, bitshuffle, trigland);
+		
+		
+		if(x->frames_read >= framecount){
+			x->read_me = 0;
+			if(x->verbose){
+				post("residency: data acquisition completed");
+			}
+		} else {
+			convert(buffer, x->loveboat[(x->frames_read)++], N2, c_lastphase_in, c_fundamental, c_factor_in);
+		}
+		x->virgin = 0;
+	} 
+	else if(x->playthrough && x->virgin){
+		for(i=0;i<D;i++){
+			sync = 0;
+			sample = input_vec[i] * 0.5;
+			out[i] = sample;
+			vec_sync[i] = sync;
+		}
+	}
+	else {
+		//sync = 1.0;
+		
+		if(fpos < 0)
+			fpos = 0;
+		if(fpos > 1)
+			fpos = 1;
+		if(fpos != last_fpos){
+			fframe =  fpos * (float) framecount ;
+			last_fpos = fpos;
+		}
+		
+		
+		fframe += fincr;
+		while(fframe >= framecount) {
+			fframe -= framecount;
+		} 
+		while( fframe < 0. ) {
+			fframe += framecount ;
+		}
+		
+		unconvert(x->loveboat[(int) fframe ], buffer, N2, c_lastphase_out, c_fundamental, c_factor_out);
+		
+		rdft( N, -1, buffer, bitshuffle, trigland );
+		overlapadd( buffer, N, Wsyn, output, Nw, inCount );
+		
+		for(i = 0; i < D; i++){
+			vec_sync[i] = sync;
+		}
+		for ( j = 0; j < D; j++ ){
+			out[j] = output[j] * mult;
+		}
+		for ( j = 0; j < Nw - D; j++ ){
+			output[j] = output[j+D];
+		}
+		
+		for ( j = Nw - D; j < Nw; j++ ){
+			output[j] = 0.;
+		}
+		
+	}
+	
+	/* restore state variables */
+	
+	x->inCount = inCount % Nw;
+	x->current_frame = fframe;
+	x->frame_increment = fincr;
+	x->fpos = fpos;
+	x->last_fpos = last_fpos;
+	x->sync = sync;
+	return (w+8);
+}		
+
+#if MSP
+void residency_float(t_residency *x, double f) // Look at floats at inlets
+{
+	int inlet = x->x_obj.z_in;
+	
+	if (inlet == 1)
+    {
+		x->frame_increment = f;
+    }
+	else if (inlet == 2)
+    {
+		if (f < 0 ){
+			f = 0;
+		} else if(f > 1) {
+			f = 1.;
+		}
+		x->fpos = f;
+		
+    }
+}
+#endif
+
+void residency_acquire_sample(t_residency *x)
+{
+	x->read_me = 1;
+	x->frames_read = 0;
+	post("beginning spectral data acquisition");
+	return;
+}
+
+void residency_bangname (t_residency *x)
+{
+	x->read_me = 1;
+	x->frames_read = 0;
+	if(x->verbose)
+		post("beginning spectral data acquisition");
+	return;
+}
+
+void residency_mute(t_residency *x, t_floatarg tog)
+{
+	x->mute = tog;	
+}
+
+void residency_dsp(t_residency *x, t_signal **sp, short *count)
+{
+#if MSP
+	x->in2_connected = count[1];
+	x->in3_connected = count[2];
+#endif
+	
+	if(x->R != sp[0]->s_sr || x->D != sp[0]->s_n){
+		x->R = sp[0]->s_sr;
+		x->D = sp[0]->s_n;
+		if(x->verbose)
+			post("new vsize: %d, new SR:%d",x->D,x->R);
+		residency_init(x,1);
+	}
+	
+	dsp_add(residency_perform, 7, x, sp[0]->s_vec, sp[1]->s_vec, sp[2]->s_vec,  
+			sp[3]->s_vec, sp[4]->s_vec,  sp[0]->s_n);
+}
+
+void residency_assist(t_residency *x, void *b, long msg, long arg, char *dst)
+{
+	if (msg==1) {
+		switch (arg) {
+			case 0: sprintf(dst,"(signal/bang) Input, Sampling Trigger"); break;
+			case 1: sprintf(dst,"(signal/float) Frame Increment");break;
+			case 2:sprintf(dst,"(signal/float) Frame Position [0-1]");break;
+				
+		}
+	} else if (msg==2) {
+		switch(arg){
+			case 0: sprintf(dst,"(signal) Output"); break;
+			case 1: sprintf(dst,"(signal) Recording Sync"); break;
+		}
+	}
+}
-- 
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