diff options
Diffstat (limited to 'resent~.c')
| -rw-r--r-- | resent~.c | 766 |
1 files changed, 766 insertions, 0 deletions
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 );
+}
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