From d145fa6f792d6c44da2feec90507adb94e40323e Mon Sep 17 00:00:00 2001 From: Hans-Christoph Steiner Date: Sun, 31 Jul 2011 03:59:16 +0000 Subject: got everything building using the template Makefile svn path=/trunk/externals/unauthorized/; revision=15173 --- samplebox~.c | 530 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 530 insertions(+) create mode 100644 samplebox~.c (limited to 'samplebox~.c') diff --git a/samplebox~.c b/samplebox~.c new file mode 100644 index 0000000..64e656c --- /dev/null +++ b/samplebox~.c @@ -0,0 +1,530 @@ +/*------------------------ samplebox~ ----------------------------------------- */ +/* */ +/* samplebox~ : records and plays back a sound */ +/* Written by Yves Degoyon ( ydegoyon@free.fr ) */ +/* */ +/* This program is free software; you can redistribute it and/or */ +/* modify it under the terms of the GNU General Public License */ +/* as published by the Free Software Foundation; either version 2 */ +/* of the License, or (at your option) any later version. */ +/* */ +/* See file LICENSE for further informations on licensing terms. */ +/* */ +/* This program is distributed in the hope that it will be useful, */ +/* but WITHOUT ANY WARRANTY; without even the implied warranty of */ +/* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the */ +/* GNU General Public License for more details. */ +/* */ +/* You should have received a copy of the GNU General Public License */ +/* along with this program; if not, write to the Free Software */ +/* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ +/* */ +/* Based on PureData by Miller Puckette and others. */ +/* */ +/* All i wanted is your time */ +/* All you gave me was tomorrow */ +/* But, tomorrow never comes, tomorrow never comes */ +/* Vini Reilly -- "Tomorrow" */ +/* ---------------------------------------------------------------------------- */ + + + +#include +#include +#include +#include +#include +#include +#include +#ifndef __APPLE__ +#include +#endif +#include +#ifdef UNIX +#include +#endif +#ifdef NT +#define M_PI 3.14159265358979323846 +#endif +#include + +#include "m_pd.h" /* standard pd stuff */ + +static char *samplebox_version = "samplebox~: stores and plays back a sound version 0.3, written by Yves Degoyon (ydegoyon@free.fr)"; + + +static t_class *samplebox_class; + +typedef struct _samplebox +{ + t_object x_obj; + + t_int x_size; /* size of the stored sound ( in blocks~ ) */ + t_float x_samplerate; /* sample rate */ + t_int x_blocksize; /* current block size ( might be modified by block~ object ) */ + t_float x_readpos; /* data's playing position */ + t_int x_writepos; /* data's recording position */ + t_int x_readstart; /* data's starting position for reading */ + t_int x_readend; /* data's ending position for reading */ + t_int x_modstart; /* data's starting position for modifications */ + t_int x_modend; /* data's ending position for modifications */ + t_int x_play; /* playing on/off flag */ + t_float x_readspeed; /* number of grouped blocks for reading */ + t_float x_record; /* flag to start recording process */ + t_float x_allocate; /* flag to avoid reading data during generation */ + t_float *x_rdata; /* table containing left channel of the sound */ + t_float *x_idata; /* table containing right channel of the sound */ + t_float *x_rootsquares; /* sum of the root squares of a block ( energy ) */ + t_float x_phase; /* phase to apply on output */ + t_outlet *x_recordend; /* outlet for end of recording */ + t_outlet *x_playend; /* outlet for end of playing back */ + t_float x_f; /* float needed for signal input */ + +} t_samplebox; + + /* clean up */ +static void samplebox_free(t_samplebox *x) +{ + if ( x->x_rdata != NULL ) { + freebytes(x->x_rdata, x->x_size*x->x_blocksize*sizeof(float) ); + post( "Freed %d bytes", x->x_size*x->x_blocksize*sizeof(float) ); + x->x_rdata = NULL; + } + if ( x->x_idata != NULL ) { + freebytes(x->x_idata, x->x_size*x->x_blocksize*sizeof(float) ); + post( "Freed %d bytes", x->x_size*x->x_blocksize*sizeof(float) ); + x->x_idata = NULL; + } + if ( x->x_rootsquares != NULL ) { + freebytes(x->x_rootsquares, x->x_size*sizeof(float) ); + post( "Freed %d bytes", x->x_size*sizeof(float) ); + x->x_rootsquares = NULL; + } +} + + /* allocate tables for storing sound */ +static t_int samplebox_allocate(t_samplebox *x) +{ + if ( !(x->x_rdata = getbytes( x->x_size*x->x_blocksize*sizeof(float) ) ) ) { + return -1; + } else { + post( "samplebox~ : allocated %d bytes", x->x_size*x->x_blocksize*sizeof(float) ); + } + if ( !(x->x_idata = getbytes( x->x_size*x->x_blocksize*sizeof(float) ) ) ) { + return -1; + } else { + post( "samplebox~ : allocated %d bytes", x->x_size*x->x_blocksize*sizeof(float) ); + } + if ( !(x->x_rootsquares = getbytes( x->x_size*sizeof(float) ) ) ) { + return -1; + } else { + post( "samplebox~ : allocated %d bytes", x->x_size*sizeof(float) ); + } + return 0; +} + + /* reallocate tables for storing sound */ +static t_int samplebox_reallocate(t_samplebox *x, t_int ioldsize, t_int inewsize) +{ + t_float *prdata=x->x_rdata, *pidata=x->x_idata, *prootsquares=x->x_rootsquares; + + if ( !(x->x_rdata = getbytes( inewsize*x->x_blocksize*sizeof(float) ) ) ) { + return -1; + } else { + post( "samplebox~ : allocated %d bytes", inewsize*x->x_blocksize*sizeof(float) ); + } + if ( !(x->x_idata = getbytes( inewsize*x->x_blocksize*sizeof(float) ) ) ) { + return -1; + } else { + post( "samplebox~ : allocated %d bytes", inewsize*x->x_blocksize*sizeof(float) ); + } + if ( !(x->x_rootsquares = getbytes( inewsize*sizeof(float) ) ) ) { + return -1; + } else { + post( "samplebox~ : allocated %d bytes", inewsize*sizeof(float) ); + } + if ( prdata != NULL ) { + freebytes(prdata, ioldsize*x->x_blocksize*sizeof(float) ); + post( "Freed %d bytes", ioldsize*x->x_blocksize*sizeof(float) ); + } + if ( pidata != NULL ) { + freebytes(pidata, ioldsize*x->x_blocksize*sizeof(float) ); + post( "Freed %d bytes", ioldsize*x->x_blocksize*sizeof(float) ); + } + if ( prootsquares != NULL ) { + freebytes(prootsquares, ioldsize*sizeof(float) ); + post( "Freed %d bytes", ioldsize*sizeof(float) ); + } + return 0; +} + + /* records or playback the sonogram */ +static t_int *samplebox_perform(t_int *w) +{ + t_float *rin = (t_float *)(w[1]); + t_float *iin = (t_float *)(w[2]); + t_float *rout = (t_float *)(w[3]); + t_float *iout = (t_float *)(w[4]); + t_float fspectrum = 0.0; + t_float fphase = 0.0; + t_int rpoint; + t_int n = (int)(w[5]); /* number of samples */ + t_samplebox *x = (t_samplebox *)(w[6]); + t_int bi; + t_float v[4]; + t_float z[4]; + + // reallocate tables if blocksize has been changed + if ( n != x->x_blocksize ) { + post( "samplebox~ : reallocating tables" ); + x->x_allocate = 1; + samplebox_free(x); + x->x_blocksize = n; + samplebox_allocate(x); + x->x_allocate = 0; + } + + // new block : energy is set to zero + // if ( x->x_record ) { + // *(x->x_rootsquares+x->x_writepos) = 0.0; + // } + + if ( x->x_play || x->x_record ) { + bi = 0; + while (bix_allocate && x->x_record) { + *(x->x_rdata+(x->x_writepos*x->x_blocksize)+bi)=*rin; + *(x->x_idata+(x->x_writepos*x->x_blocksize)+bi)=*iin; + // *(x->x_rootsquares+x->x_writepos) += sqrt( pow((*rin),2) + pow((*iin),2) ); + } + // set outputs + if ( !x->x_allocate && x->x_play) { + *rout = 0.; + *iout = 0.; + // interpolates 4 points like tabread4 + rpoint = ((int)x->x_readpos*x->x_blocksize)+bi; + + if ( rpoint == 0 ) { + v[0]=0.0; + v[1]=*(x->x_rdata+rpoint); + v[2]=*(x->x_rdata+rpoint+1); + v[3]=*(x->x_rdata+rpoint+2); + z[0]=0.0; + z[1]=*(x->x_idata+rpoint); + z[2]=*(x->x_idata+rpoint+1); + z[3]=*(x->x_idata+rpoint+2); + } else if ( rpoint == (x->x_size*x->x_blocksize-1) ) { + v[0]=*(x->x_rdata+rpoint-1); + v[1]=*(x->x_rdata+rpoint); + v[2]=*(x->x_rdata+rpoint+1); + v[3]=0.0; + z[0]=*(x->x_idata+rpoint-1); + z[1]=*(x->x_idata+rpoint); + z[2]=*(x->x_idata+rpoint+1); + z[3]=0.0; + } else if ( rpoint == (x->x_size*x->x_blocksize) ) { + v[0]=*(x->x_rdata+rpoint-1); + v[1]=*(x->x_rdata+rpoint); + v[2]=0.0; + v[3]=0.0; + z[0]=*(x->x_idata+rpoint-1); + z[1]=*(x->x_idata+rpoint); + z[2]=0.0; + z[3]=0.0; + } else { + v[0]=*(x->x_rdata+rpoint-1); + v[1]=*(x->x_rdata+rpoint); + v[2]=*(x->x_rdata+rpoint+1); + v[3]=*(x->x_rdata+rpoint+2); + z[0]=*(x->x_idata+rpoint-1); + z[1]=*(x->x_idata+rpoint); + z[2]=*(x->x_idata+rpoint+1); + z[3]=*(x->x_idata+rpoint+2); + } + + { + t_float frac = rpoint-(int)rpoint; + + // taken from tabread4_tilde + *rout = v[1]+frac*((v[2]-v[1])-0.5f*(frac-1.)*((v[0]-v[3]+3.0f*(v[2]-v[1]))*frac+(2.0f*v[1]-v[0]-v[2]))); + *iout = z[1]+frac*((z[2]-z[1])-0.5f*(frac-1.)*((z[0]-z[3]+3.0f*(z[2]-z[1]))*frac+(2.0f*z[1]-z[0]-z[2]))); + } + + // add phase argument + fspectrum = sqrt( pow( *rout, 2) + pow( *iout, 2) ); + fphase = atan2( *iout, *rout ); + fphase += (x->x_phase/180.0)*(M_PI); + *rout = fspectrum*cos( fphase ); + *iout = fspectrum*sin( fphase ); + } else { + *rout=0.0; + *iout=0.0; + } + rout++;iout++; + rin++;iin++; + bi++; + } + // reset playing position until next play + if ( x->x_play ) { + x->x_readpos+=x->x_readspeed; + // post( "xreadpos : %f (added %f)", x->x_readpos, x->x_readspeed ); + if ( x->x_readpos >= (x->x_readend*x->x_size)/100 ) { + x->x_play=0; + x->x_readpos=(x->x_readstart*x->x_size)/100; + // post( "samplebox~ : stopped playing (readpos=%d)", x->x_readpos ); + outlet_bang(x->x_playend); + } + } + // reset recording position until next record + if ( x->x_record ) { + x->x_writepos++; + if ( x->x_writepos >= x->x_size ) { + x->x_record=0; + x->x_writepos=0; + outlet_bang(x->x_recordend); + // post( "samplebox~ : stopped recording" ); + } + } + } + return (w+7); +} + +static void samplebox_dsp(t_samplebox *x, t_signal **sp) +{ + dsp_add(samplebox_perform, 6, sp[0]->s_vec, sp[1]->s_vec, sp[2]->s_vec, sp[3]->s_vec, sp[0]->s_n, x); +} + + /* record the sonogram */ +static void samplebox_record(t_samplebox *x) +{ + x->x_record=1; + x->x_writepos=0; +} + + /* play the sonogram */ +static void samplebox_play(t_samplebox *x) +{ + x->x_play=1; + // reset read position + x->x_readpos=(x->x_readstart*x->x_size)/100; +} + + /* setting the starting point for reading ( in percent ) */ +static void samplebox_readstart(t_samplebox *x, t_floatarg fstart) +{ + t_float startpoint = fstart; + + if (startpoint < 0) startpoint = 0; + if (startpoint > 100) startpoint = 100; + if ( startpoint > x->x_readend ) { + x->x_readstart = x->x_readend; + post( "samplebox~ : warning : range for reading is null" ); + } else { + x->x_readstart=startpoint; + } +} + + /* setting the starting point for modification ( in percent ) */ +static void samplebox_modstart(t_samplebox *x, t_floatarg fstart) +{ + t_float startpoint = fstart; + + if (startpoint < 0) startpoint = 0; + if (startpoint > 100) startpoint = 100; + if ( startpoint > x->x_modend ) { + x->x_modstart = x->x_modend; + post( "samplebox~ : warning : range for modifications is null" ); + } else { + x->x_modstart=startpoint; + } +} + + /* setting the ending point for reading ( in percent ) */ +static void samplebox_readend(t_samplebox *x, t_floatarg fend) +{ + t_float endpoint = fend; + + if (endpoint < 0) endpoint = 0; + if (endpoint > 100) endpoint = 100; + if ( endpoint < x->x_readstart ) { + x->x_readend = x->x_readstart; + post( "samplebox~ : warning : range for reading is null" ); + } else { + x->x_readend=endpoint; + } +} + + /* setting the ending point for modification ( in percent ) */ +static void samplebox_modend(t_samplebox *x, t_floatarg fend) +{ + t_float endpoint = fend; + + if (endpoint < 0) endpoint = 0; + if (endpoint > 100) endpoint = 100; + if ( endpoint < x->x_modstart ) { + x->x_modend = x->x_modstart; + post( "samplebox~ : warning : range for modifications is null" ); + } else { + x->x_modend=endpoint; + } +} + + /* sets the reading speed */ +static void samplebox_readspeed(t_samplebox *x, t_floatarg freadspeed) +{ + if ((int)freadspeed < 0 ) { + post( "samplebox~ : wrong readspeed argument" ); + } + x->x_readspeed=freadspeed; +} + + /* resize sonogram */ +static void samplebox_resize(t_samplebox *x, t_floatarg fnewsize ) +{ + if (fnewsize <= 0) { + post( "samplebox~ : error : wrong size" ); + return; + } + post( "samplebox~ : reallocating tables" ); + x->x_record = 0; + x->x_play = 0; + x->x_allocate = 1; + samplebox_reallocate(x, x->x_size, fnewsize); + x->x_size = fnewsize; + x->x_allocate = 0; +} + + /* flip blocks */ +static void samplebox_flipblocks(t_samplebox *x) +{ + t_int samplestart, sampleend, middlesample, fi, si; + t_float fvalue; + + samplestart=(x->x_modstart*(x->x_size-1))/100; + sampleend=(x->x_modend*(x->x_size-1))/100; + middlesample = ( sampleend+samplestart+1 ) / 2; + post( "flip blocks [%d,%d] and [%d,%d]", samplestart, middlesample, middlesample, sampleend ); + + for ( si=samplestart; si<=middlesample; si++ ) { + for ( fi=0; fix_blocksize; fi++ ) { + fvalue = *(x->x_rdata+((si)*x->x_blocksize)+fi); + *(x->x_rdata+((si)*x->x_blocksize)+fi) = *(x->x_rdata+((sampleend+samplestart-si)*x->x_blocksize)+fi); + *(x->x_rdata+((sampleend+samplestart-si)*x->x_blocksize)+fi) = fvalue; + fvalue = *(x->x_idata+((si)*x->x_blocksize)+fi); + *(x->x_idata+((si)*x->x_blocksize)+fi) = *(x->x_idata+((sampleend+samplestart-si)*x->x_blocksize)+fi); + *(x->x_idata+((sampleend+samplestart-si)*x->x_blocksize)+fi) = fvalue; + } + } +} + + /* change the phase */ +static void samplebox_phase(t_samplebox *x, t_floatarg fincphase) +{ + if (fincphase < 0 || fincphase > 90) { + post( "samplebox~ : error : wrong phase in phase function : out of [0,90]" ); + return; + } + x->x_phase = fincphase; +} + + /* swap blocks */ +static void samplebox_swapblocks(t_samplebox *x, t_floatarg fperstart, t_floatarg fperend, t_floatarg fpersize) +{ + t_int samplestart, samplestartb, samplesize, sp, sf; + t_int iperstart, iperend, ipersize; + t_float s1, s2; + t_float fvalue; + + iperstart = fperstart; + iperend = fperend; + ipersize = fpersize; + + if (iperstart < 0 || iperstart > iperend || + iperend <= 0 || iperend+ipersize > 100 || + ipersize < 0 || fpersize > 100 ) { + post( "samplebox~ : error : wrong interval [%d%%, %d%%] <-> [%d%%, %d%%]", + iperstart, iperstart+ipersize, iperend, iperend+ipersize ); + return; + } + samplestart=(x->x_modstart*(x->x_size-1))/100; + samplestartb=(x->x_modend*(x->x_size-1))/100; + samplesize=((samplestartb-samplestart)*ipersize)/100; + samplestart=samplestart+((samplestartb-samplestart)*iperstart)/100; + samplestartb=samplestart+((samplestartb-samplestart)*iperend)/100; + + // post( "swap blocks [%d,%d] and [%d,%d]", samplestart, samplestart+samplesize, samplestartb, samplestartb+samplesize ); + + for ( sp=samplesize; sp>=0; sp-- ) { + for ( sf=0; sfx_blocksize; sf++) { + fvalue = *(x->x_rdata+((int)(samplestart+sp)*x->x_blocksize)+sf); + *(x->x_rdata+((int)(samplestart+sp)*x->x_blocksize)+sf) = *(x->x_rdata+((int)(samplestartb+sp)*x->x_blocksize)+sf); + *(x->x_rdata+((int)(samplestartb+sp)*x->x_blocksize)+sf) = fvalue; + fvalue = *(x->x_idata+((int)(samplestart+sp)*x->x_blocksize)+sf); + *(x->x_idata+((int)(samplestart+sp)*x->x_blocksize)+sf) = *(x->x_idata+((int)(samplestartb+sp)*x->x_blocksize)+sf); + *(x->x_idata+((int)(samplestartb+sp)*x->x_blocksize)+sf) = fvalue; + } + } +} + +static void *samplebox_new(t_floatarg fsize) +{ + t_samplebox *x = (t_samplebox *)pd_new(samplebox_class); + outlet_new(&x->x_obj, &s_signal); + outlet_new(&x->x_obj, &s_signal); + x->x_recordend = outlet_new(&x->x_obj, &s_bang ); + x->x_playend = outlet_new(&x->x_obj, &s_bang ); + inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_signal, &s_signal); + inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("readstart")); + inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("readend")); + inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("modstart")); + inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("modend")); + + if ( fsize <= 0 ) { + error( "samplebox~ : missing or negative creation arguments" ); + return NULL; + } + + x->x_size = fsize; + x->x_blocksize = sys_getblksize(); + x->x_play = 0; + x->x_readspeed = 1.; + x->x_record = 0; + x->x_readpos = 0.; + x->x_writepos = 0; + x->x_modstart = 0; + x->x_readstart = 0; + x->x_modend = 100; + x->x_readend = 100; + x->x_allocate = 0; + x->x_rdata = NULL; + x->x_idata = NULL; + x->x_rootsquares = NULL; + x->x_phase = 0.0; + x->x_samplerate = sys_getsr(); + if ( samplebox_allocate(x) <0 ) { + return NULL; + } else { + return(x); + } +} + +void samplebox_tilde_setup(void) +{ + post(samplebox_version); + samplebox_class = class_new(gensym("samplebox~"), (t_newmethod)samplebox_new, (t_method)samplebox_free, + sizeof(t_samplebox), 0, A_DEFFLOAT, 0); + CLASS_MAINSIGNALIN( samplebox_class, t_samplebox, x_f ); + class_addmethod(samplebox_class, (t_method)samplebox_dsp, gensym("dsp"), 0); + class_addmethod(samplebox_class, (t_method)samplebox_record, gensym("record"), 0); + class_addmethod(samplebox_class, (t_method)samplebox_resize, gensym("resize"), A_FLOAT, 0); + class_addmethod(samplebox_class, (t_method)samplebox_swapblocks, gensym("swapblocks"), A_FLOAT, A_FLOAT, A_FLOAT, 0); + class_addmethod(samplebox_class, (t_method)samplebox_flipblocks, gensym("flipblocks"), 0); + class_addmethod(samplebox_class, (t_method)samplebox_play, gensym("play"), 0); + class_addmethod(samplebox_class, (t_method)samplebox_phase, gensym("phase"), A_FLOAT, 0); + class_addmethod(samplebox_class, (t_method)samplebox_modstart, gensym("modstart"), A_FLOAT, 0); + class_addmethod(samplebox_class, (t_method)samplebox_modend, gensym("modend"), A_FLOAT, 0); + class_addmethod(samplebox_class, (t_method)samplebox_readstart, gensym("readstart"), A_FLOAT, 0); + class_addmethod(samplebox_class, (t_method)samplebox_readend, gensym("readend"), A_FLOAT, 0); + class_addmethod(samplebox_class, (t_method)samplebox_readspeed, gensym("readspeed"), A_FLOAT, 0); +} -- cgit v1.2.1