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
---
 resent~.c | 766 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 766 insertions(+)
 create mode 100644 resent~.c

(limited to 'resent~.c')

diff --git a/resent~.c b/resent~.c
new file mode 100644
index 0000000..704bb6a
--- /dev/null
+++ b/resent~.c
@@ -0,0 +1,766 @@
+#include "MSPd.h"
+#include "fftease.h"
+
+#if MSP
+void *resent_class;
+#endif 
+
+#if PD
+static t_class *resent_class;
+#endif
+
+#define OBJECT_NAME "resent~"
+
+typedef struct _resent
+{
+#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 *frame_incr;
+  float *store_incr;
+  float *frame_phase;
+  float frameloc;
+  float **loveboat;
+  float current_frame;
+  int framecount;
+  //
+  float frame_increment ;
+  float *composite_frame ;
+  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;
+  void *m_clock;
+  void *m_bang;
+  short playthrough;
+  int hopsize;
+  int overlap;
+  int winfac;
+  short lock;
+  float duration;
+  short verbose;
+  float sync;
+} t_resent;
+
+void *resent_new(t_symbol *msg, short argc, t_atom *argv);
+t_int *offset_perform(t_int *w);
+t_int *resent_perform(t_int *w);
+void resent_dsp(t_resent *x, t_signal **sp, short *count);
+void resent_assist(t_resent *x, void *b, long m, long a, char *s);
+void resent_acquire_sample (t_resent *x) ;
+void resent_mute(t_resent *x, t_floatarg tog);
+void resent_bin(t_resent *x, t_floatarg fbin, t_floatarg speed);
+void resent_setphase(t_resent *x, t_floatarg phase);
+void resent_addphase(t_resent *x, t_floatarg phase);
+void resent_setspeed( t_resent *x,  t_floatarg speed );
+void resent_addspeed( t_resent *x,  t_floatarg speed );
+void resent_size( t_resent *x,  t_floatarg size_ms );
+void resent_free( t_resent *x );
+void resent_store_incr( t_resent *x );
+void resent_setspeed_and_phase( t_resent *x,  t_floatarg speed, t_floatarg phase );
+void resent_tick(t_resent *x);
+void resent_fftinfo(t_resent *x);
+void resent_init(t_resent *x, short flag);
+void resent_linephase(t_resent *x, t_symbol *msg, short argc, t_atom *argv);
+void resent_linespeed(t_resent *x, t_symbol *msg, short argc, t_atom *argv);
+void resent_randphase(t_resent *x, t_symbol *msg, short argc, t_atom *argv);
+void resent_randspeed(t_resent *x, t_symbol *msg, short argc, t_atom *argv);
+void resent_playthrough(t_resent *x, t_floatarg state);
+float resent_randf(float min, float max);
+void resent_winfac(t_resent *x, t_floatarg factor);
+
+void resent_verbose(t_resent *x, t_floatarg t);
+void resent_fftinfo(t_resent *x);
+void resent_overlap(t_resent *x, t_floatarg f);
+void resent_winfac(t_resent *x, t_floatarg f);
+
+#if MSP
+void main(void)
+{
+  setup((t_messlist **)&resent_class, (method)resent_new, 
+  (method)resent_free, (short)sizeof(t_resent), 0L,A_GIMME,0);
+  addmess((method)resent_dsp, "dsp", A_CANT, 0);
+  addmess((method)resent_assist,"assist",A_CANT,0);
+  addbang((method)resent_acquire_sample);
+  addmess((method)resent_mute, "mute", A_FLOAT, 0);
+  addmess((method)resent_linespeed, "linespeed", A_GIMME, 0);
+  addmess((method)resent_linephase, "linephase", A_GIMME, 0);
+  addmess((method)resent_randspeed, "randspeed", A_GIMME, 0);
+  addmess((method)resent_randphase, "randphase", A_GIMME, 0);
+  addmess((method)resent_bin, "bin", A_DEFFLOAT, A_DEFFLOAT, 0);
+  addmess((method)resent_setphase, "setphase",  A_DEFFLOAT, 0);
+  addmess((method)resent_addphase, "addphase",  A_DEFFLOAT, 0);
+  addmess((method)resent_setspeed, "setspeed",  A_DEFFLOAT, 0);
+  addmess((method)resent_addspeed, "addspeed",  A_DEFFLOAT, 0);
+  addmess((method)resent_playthrough, "playthrough",  A_DEFFLOAT, 0);
+  addmess((method)resent_store_incr, "store_incr",0);
+  addmess((method)resent_fftinfo, "fftinfo",0);
+  addmess((method)resent_overlap, "overlap",A_FLOAT,0);
+  addmess((method)resent_winfac, "winfac",A_FLOAT,0);
+  addmess((method)resent_setspeed_and_phase, "setspeed_and_phase",  A_DEFFLOAT, A_DEFFLOAT, 0);
+  addmess((method)resent_size, "size", A_FLOAT,0);
+//  addmess((method)resent_verbose, "verbose", A_FLOAT,0);
+  addmess((method)resent_overlap,"overlap",A_DEFFLOAT,0);
+  addmess((method)resent_winfac,"winfac",A_DEFFLOAT,0);
+  addmess((method)resent_fftinfo,"fftinfo",0);
+  dsp_initclass();
+  post("%s %s",OBJECT_NAME,FFTEASE_ANNOUNCEMENT);
+}
+#endif
+
+#if PD
+void resent_tilde_setup(void)
+{
+  resent_class = class_new(gensym("resent~"), (t_newmethod)resent_new, 
+			 (t_method)resent_free ,sizeof(t_resent), 0,A_GIMME,0);
+  CLASS_MAINSIGNALIN(resent_class, t_resent, x_f);
+  class_addmethod(resent_class,(t_method)resent_dsp,gensym("dsp"),0);
+  class_addmethod(resent_class,(t_method)resent_mute,gensym("mute"),A_FLOAT,0);
+  class_addmethod(resent_class,(t_method)resent_linespeed,gensym("linespeed"),A_GIMME,0);
+  class_addmethod(resent_class,(t_method)resent_linephase,gensym("linephase"),A_GIMME,0);
+  class_addmethod(resent_class,(t_method)resent_randspeed,gensym("randspeed"),A_GIMME,0);
+  class_addmethod(resent_class,(t_method)resent_randphase,gensym("randphase"),A_GIMME,0);
+  class_addmethod(resent_class,(t_method)resent_bin,gensym("bin"),A_DEFFLOAT, A_DEFFLOAT,0);
+// Pd may still have parser bug for similar starting strings
+  class_addmethod(resent_class,(t_method)resent_setspeed_and_phase,gensym("ssap"),A_DEFFLOAT, A_DEFFLOAT,0);
+  class_addmethod(resent_class,(t_method)resent_setphase,gensym("setphase"),A_DEFFLOAT,0);
+  class_addmethod(resent_class,(t_method)resent_addphase,gensym("addphase"),A_DEFFLOAT,0);
+  class_addmethod(resent_class,(t_method)resent_setspeed,gensym("setspeed"),A_DEFFLOAT,0);
+  class_addmethod(resent_class,(t_method)resent_addspeed,gensym("addspeed"),A_DEFFLOAT,0);
+  class_addmethod(resent_class,(t_method)resent_fftinfo,gensym("fftinfo"),0);
+class_addmethod(resent_class,(t_method)resent_store_incr,gensym("store_incr"),0);
+  class_addmethod(resent_class,(t_method)resent_playthrough,gensym("playthrough"),A_FLOAT,0); 
+  class_addmethod(resent_class,(t_method)resent_size,gensym("size"),A_FLOAT,0);
+  class_addmethod(resent_class,(t_method)resent_overlap,gensym("overlap"),A_FLOAT,0); 
+  class_addmethod(resent_class,(t_method)resent_winfac,gensym("winfac"),A_FLOAT,0);  
+  class_addmethod(resent_class,(t_method)resent_verbose,gensym("verbose"),A_FLOAT,0);
+  class_addmethod(resent_class,(t_method)resent_acquire_sample,gensym("acquire_sample"),0);
+  post("%s %s",OBJECT_NAME,FFTEASE_ANNOUNCEMENT);
+}
+#endif
+
+
+
+void resent_verbose(t_resent *x, t_floatarg t)
+{
+  x->verbose = (short)t;
+}
+
+
+void resent_overlap(t_resent *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;
+	resent_init(x,1);
+}
+
+void resent_winfac(t_resent *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;
+	resent_init(x,2);
+}
+
+void resent_fftinfo(t_resent *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 resent_size(t_resent *x, t_floatarg size)
+{
+  x->duration = size/1000.0;
+  resent_init(x,1);
+}
+
+void resent_store_incr(t_resent *x)
+{
+  int i;
+  float *store_incr = x->store_incr;
+  float *frame_incr = x->frame_incr;
+	
+  for(i = 0; i < x->N2; i++){
+    store_incr[i] = frame_incr[i];
+  }
+}
+	
+void resent_free(t_resent *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->frame_phase,0);
+  freebytes(x->composite_frame,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);
+  freebytes(x->frame_incr,0);
+  freebytes(x->store_incr,0);
+}
+
+void resent_bin(t_resent *x, t_floatarg fbin, t_floatarg speed)
+{
+int bin_num = (int) fbin;
+
+  if(bin_num >= 0 && bin_num < x->N2){
+    x->frame_incr[bin_num] = speed ;
+  } else {
+    post("resent~: bin %d is out of range", bin_num);
+  }
+}
+
+void resent_setphase( t_resent *x,  t_floatarg phase)
+{
+  float scaled_phase ;
+  int i;
+	
+  if( phase < 0. )
+    phase = 0. ;
+  if( phase > 1. )
+    phase = 1.;
+  scaled_phase = phase * (float) x->framecount ;
+  for( i = 0; i < x->N2; i++ ){
+    x->frame_phase[i] = scaled_phase ;
+  }
+		
+}
+
+void resent_addphase( t_resent *x,  t_floatarg phase )
+{
+  float scaled_phase ;
+  float *frame_phase = x->frame_phase;
+  int framecount =  x->framecount;
+  int i;
+	
+		
+  if( phase < 0. )
+    phase = 0. ;
+  if( phase > 1. )
+    phase = 1.;
+  scaled_phase = phase * (float) framecount ;
+  for( i = 0; i < x->N2; i++ ){
+    frame_phase[i] += scaled_phase ;
+    while( frame_phase[i] < 0 )
+      frame_phase[i] += framecount;
+    while( frame_phase[i] > framecount - 1 )
+      frame_phase[i] -= framecount ;
+  }
+
+		
+}
+
+void resent_setspeed( t_resent *x,  t_floatarg speed )
+{
+  int i;
+	
+  for( i = 0; i < x->N2; i++ ){
+	
+    x->frame_incr[i] = speed ;
+  }
+  // post("speed reset to %f",speed);
+		
+}
+
+void resent_addspeed( t_resent *x,  t_floatarg speed )
+{
+  int i;
+  float *store_incr = x->store_incr;
+  float *frame_incr = x->frame_incr;
+		
+  for( i = 0; i < x->N2; i++ ){	
+    frame_incr[i] = store_incr[i] + speed ;
+  }
+	
+		
+}
+void resent_setspeed_and_phase( t_resent *x,  t_floatarg speed, t_floatarg phase )
+{
+  float scaled_phase ;
+  int i;
+  if( phase < 0. )
+    phase = 0. ;
+  if( phase > 1. )
+    phase = 1.;
+	
+  scaled_phase = phase * (float) x->framecount ;
+  for( i = 0; i < x->N2; i++ ){
+    x->frame_phase[i] = scaled_phase ;
+    x->frame_incr[i] = speed ;
+  }
+//  post("ssap: speed reset to %f, phase reset to %f",speed,phase);
+		
+}
+
+void resent_assist (t_resent *x, void *b, long msg, long arg, char *dst)
+{
+  if (msg==1) {
+    switch (arg) {
+    case 0:
+      sprintf(dst,"(signal/bang) Input, Sample Trigger");
+      break;
+    }
+  } else if (msg==2) {
+    switch( arg){
+    case 0: 
+      sprintf(dst,"(signal) Output ");
+      break;
+    case 1:
+      sprintf(dst,"(signal) Recording Sync");
+      break;
+    }
+		
+  }
+}
+
+void resent_tick(t_resent *x) {
+  outlet_bang(x->m_bang);
+}
+
+void resent_init(t_resent *x,short initialized)
+{
+  int i;
+  int last_framecount = x->framecount;
+
+  x->lock = 1;
+  
+  if(!x->D)
+    x->D = 256;
+  if(!x->R)
+    x->R = 44100;
+  if(!power_of_two(x->winfac))
+    x->winfac = 1;
+  if(!power_of_two(x->overlap))
+    x->overlap = 1;
+
+  x->verbose = 0; // testing only
+  
+  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->current_frame = x->framecount = 0;
+  x->fpos = x->last_fpos = 0;
+  x->tadv = (float)x->D/(float)x->R;
+  x->mult = 1. / (float) x->N;
+  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 < .005){
+    x->duration = 1.0;
+  }
+  x->framecount =  x->duration/x->tadv ;
+  x->read_me = 0;
+
+  if(!initialized){
+    x->frame_increment = 1.0 ;  
+    x->mute = 0;
+    x->playthrough = 0;
+    x->sync = 0;
+    x->frames_read = 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->composite_frame = (float *) getbytes( (MAX_N+2) * sizeof(float) );
+    x->frame_incr = (float *) getbytes( MAX_N2 * sizeof(float) );
+    x->store_incr = (float *) getbytes( MAX_N2 * sizeof(float) );
+    x->frame_phase = (float *) getbytes( MAX_N2 * 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("Insufficient Memory!");
+				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("Insufficient Memory!");
+				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));
+	memset((char *)x->frame_incr,0,(x->N2)* sizeof(float));
+	memset((char *)x->store_incr,0,(x->N2) * sizeof(float));
+	memset((char *)x->frame_phase,0,(x->N2) * sizeof(float));
+
+	
+  init_rdft( x->N, x->bitshuffle, x->trigland);
+  x->hopsize = x->N / x->overlap;	
+  makewindows( x->Hwin, x->Wanal, x->Wsyn, x->Nw, x->N, x->D);
+
+  
+  x->lock = 0;
+}
+
+void *resent_new(t_symbol *msg, short argc, t_atom *argv)
+{
+#if MSP
+  t_resent *x = (t_resent *)newobject(resent_class);
+//  x->m_bang = bangout((t_pxobject *)x);
+//  x->m_clock = clock_new(x,(method)resent_tick);
+  dsp_setup((t_pxobject *)x,1);
+  outlet_new((t_pxobject *)x, "signal");
+  outlet_new((t_pxobject *)x, "signal");
+#endif
+
+#if PD
+  t_resent *x = (t_resent *)pd_new(resent_class);
+  outlet_new(&x->x_obj, gensym("signal"));
+  outlet_new(&x->x_obj, gensym("signal"));
+//  x->m_bang = outlet_new(&x->x_obj,gensym("bang"));
+//  x->m_clock = clock_new(x,(void *)resent_tick);
+#endif
+
+  srand(clock());
+
+  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();
+
+  resent_init(x,0);
+
+  return (x);
+}
+
+t_int *resent_perform(t_int *w)
+{
+
+  int iphase, amp, freq, i, j;
+  float fincr;	
+  float fpos;
+  ////////////////////////////////////////////// 
+  t_resent *x = (t_resent *) (w[1]);
+  float *frame_incr = x->frame_incr ;
+  float *frame_phase = x->frame_phase ;
+  float *composite_frame = x->composite_frame ;
+  float in_sample;
+  t_float *in = (t_float *)(w[2]);
+  t_float *out = (t_float *)(w[3]);
+  t_float *sync_vec = (t_float *)(w[4]);
+  t_int n = w[5];
+	
+  /* dereference structure */	
+
+  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 fframe = x->current_frame ;
+  float last_fpos = x->last_fpos ;
+  int framecount = x->framecount;
+  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;
+  
+  sync = (float)x->frames_read / (float)x->framecount;
+  
+  if(x->mute || x->lock){
+	while(n--){
+	  *out++ = 0.0;
+	  *sync_vec++ = sync;
+	}
+	return (w+6);
+  }
+  
+  inCount += D;
+
+
+  
+  if(x->read_me){
+    for ( j = 0 ; j < Nw - D ; j++ ){
+      input[j] = input[j+D];
+    }
+    if(x->playthrough){
+      for (j = Nw - D; j < Nw; j++) {
+				in_sample = input[j] = *in++;
+				*out++ = in_sample * 0.5; // scale down
+				*sync_vec++ = sync;
+		  }
+    } else{
+      for (j = Nw - D; j < Nw; j++) {
+				input[j] = *in++;
+				*out++ = 0.0;
+				*sync_vec++ = sync;
+      }
+    }
+
+    fold( input, Wanal, Nw, buffer, N, inCount );	
+    rdft( N, 1, buffer, bitshuffle, trigland );
+
+    convert( buffer, x->loveboat[(x->frames_read)++], N2, c_lastphase_in, c_fundamental, c_factor_in );
+    if(x->frames_read >= x->framecount){
+      x->read_me = 0;
+    } 	
+  } 
+  else {
+    for( i = 0 ; i < N2; i++ ){
+      amp = i<<1;
+      freq = amp + 1 ;
+      iphase = frame_phase[i]  ;
+      if( iphase < 0 )
+		iphase = 0;
+      if( iphase > framecount - 1 )
+		iphase = framecount - 1;
+      composite_frame[amp] = x->loveboat[iphase][amp];
+      composite_frame[freq] = x->loveboat[iphase][freq];
+      frame_phase[i] += frame_incr[i] ;
+      while( frame_phase[i] > framecount - 1)
+		frame_phase[i] -= framecount ;
+      while( frame_phase[i] < 0. )
+		frame_phase[i] += framecount ;
+    }
+
+    unconvert(composite_frame, buffer, N2, c_lastphase_out, c_fundamental, c_factor_out);
+
+    rdft( N, -1, buffer, bitshuffle, trigland );
+    overlapadd( buffer, N, Wsyn, output, Nw, inCount );
+
+    for (j = 0; j < D; j++){
+      *out++ = output[j] * mult;
+      *sync_vec++ = sync;
+    }
+    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->last_fpos = last_fpos;
+  x->sync = sync;
+
+
+  return (w+6);
+}
+	
+
+
+void resent_acquire_sample(t_resent *x)
+{
+  x->read_me = 1;
+  x->frames_read = 0;
+
+  return;
+}
+
+void resent_mute(t_resent *x, t_floatarg tog)
+{
+  x->mute = tog;	
+}
+
+void resent_playthrough(t_resent *x, t_floatarg state)
+{
+  x->playthrough = state;
+}
+
+void resent_linephase(t_resent *x, t_symbol *msg, short argc, t_atom *argv)
+{
+  int bin1, bin2;
+  float phase1, phase2, bindiff;
+  int i;
+  float m1, m2;
+
+  bin1 = (int) atom_getfloatarg(0, argc, argv);
+  phase1 = atom_getfloatarg(1, argc, argv) * x->framecount;
+  bin2 = (int) atom_getfloatarg(2, argc, argv);
+  phase2 = atom_getfloatarg(3, argc, argv) * x->framecount;
+
+  if( bin1 > x->N2 || bin2 > x->N2 ){
+    error("too high bin number");
+    return;
+  }
+  bindiff = bin2 - bin1;
+  if( bindiff < 1 ){
+    error("make bin2 higher than bin 1, bye now");
+    return;
+  }
+  for( i = bin1; i < bin2; i++ ){
+    m2 = (float) i / bindiff;
+    m1 = 1. - m2;
+    x->frame_phase[i] = m1 * phase1 + m2 * phase2;
+  }
+}
+
+void resent_randphase(t_resent *x, t_symbol *msg, short argc, t_atom *argv)
+{
+
+  float minphase, maxphase;
+  int i;
+  int framecount = x->framecount;
+  
+  minphase = atom_getfloatarg(0, argc, argv);
+  maxphase = atom_getfloatarg(1, argc, argv);
+	
+//  post("minphase %f maxphase %f",minphase, maxphase);
+  if(minphase < 0.0)
+    minphase = 0.0;
+  if( maxphase > 1.0 )
+    maxphase = 1.0;
+  	
+  for( i = 0; i < x->N2; i++ ){
+    x->frame_phase[i] = (int) (resent_randf( minphase, maxphase ) * (float) (framecount - 1) ) ;	
+  } 
+}
+
+void resent_randspeed(t_resent *x, t_symbol *msg, short argc, t_atom *argv)
+{
+
+  float minspeed, maxspeed;
+  int i;
+
+
+  minspeed = atom_getfloatarg(0, argc, argv);
+  maxspeed = atom_getfloatarg(1, argc, argv);
+
+  for( i = 0; i < x->N2; i++ ){
+    x->frame_incr[i] = resent_randf(minspeed, maxspeed);
+  } 
+}
+
+void resent_linespeed(t_resent *x, t_symbol *msg, short argc, t_atom *argv)
+{
+  int bin1, bin2;
+  float speed1, speed2, bindiff;
+  int i;
+  float m1, m2;
+
+  bin1 = (int) atom_getfloatarg(0, argc, argv);
+  speed1 = atom_getfloatarg(1, argc, argv);
+  bin2 = (int) atom_getfloatarg(2, argc, argv);
+  speed2 = atom_getfloatarg(3, argc, argv);
+
+  if( bin1 > x->N2 || bin2 > x->N2 ){
+    error("too high bin number");
+    return;
+  }
+  bindiff = bin2 - bin1;
+  if( bindiff < 1 ){
+    error("make bin2 higher than bin 1, bye now");
+    return;
+  }
+  for( i = bin1; i < bin2; i++ ){
+    m2 = (float) i / bindiff;
+    m1 = 1. - m2;
+    x->frame_incr[i] = m1 * speed1 + m2 * speed2;
+  }
+}
+void resent_dsp(t_resent *x, t_signal **sp, short *count)
+{
+  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 vector size: %d, new sampling rate:%d",x->D,x->R);
+    resent_init(x,1);
+  }		
+  dsp_add(resent_perform, 5, x, sp[0]->s_vec, sp[1]->s_vec, sp[2]->s_vec, sp[0]->s_n);
+}
+
+float resent_randf(float min,float max)
+{
+  float rval;
+  rval = (float) (rand() % RAND_MAX) / (float) RAND_MAX;
+  return ( min + (max-min) * rval );	
+}
-- 
cgit v1.2.1