/* * Copyright (c) 1983-2013 Trevor Wishart and Composers Desktop Project Ltd * http://www.trevorwishart.co.uk * http://www.composersdesktop.com * This file is part of the CDP System. The CDP System is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The CDP System 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 Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the CDP System; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * */ /* * special_onoff indicates that a stream remains on but has changed its output position. * It must therefore fade out at the current location and level before fading in at the new location and level. * special_onoff2 in MODE 2 is used to flag that the same channel is remaining on, but starting from a new locus * It must therefore fade out using the previous locus, levels and spatial position * and only get its new locus, levels and position when the fade-up begins (after the fade-down) */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #define S_OFF 0 #define S_ON 1 #define SIGNAL_TO_LEFT (0) #define SIGNAL_TO_RIGHT (1) #define ROOT2 (1.4142136) #define NTEX_GRAIN (.002) #define NTX_X 0 #define NTX_JUMP 1 #ifdef unix #include #define round(x) lround((x)) #endif char errstr[2400]; int anal_infiles = 1; int sloom = 0; int sloombatch = 0; const char* cdp_version = "7.1.1"; //CDP LIB REPLACEMENTS static int setup_newtex_application(dataptr dz); static int parse_sloom_data(int argc,char *argv[],char ***cmdline,int *cmdlinecnt,dataptr dz); static int setup_newtex_param_ranges_and_defaults(dataptr dz); static int handle_the_outfile(int *cmdlinecnt,char ***cmdline,dataptr dz); static int open_the_outfile(dataptr dz); static int handle_the_special_data(char *str,dataptr dz); static int setup_and_init_input_param_activity(dataptr dz,int tipc); static int setup_input_param_defaultval_stores(int tipc,aplptr ap); static int establish_application(dataptr dz); static int initialise_vflags(dataptr dz); static int setup_parameter_storage_and_constants(int storage_cnt,dataptr dz); static int initialise_is_int_and_no_brk_constants(int storage_cnt,dataptr dz); static int mark_parameter_types(dataptr dz,aplptr ap); static int assign_file_data_storage(int infilecnt,dataptr dz); static int get_tk_cmdline_word(int *cmdlinecnt,char ***cmdline,char *q); static int get_the_process_no(char *prog_identifier_from_cmdline,dataptr dz); static int get_the_mode_from_cmdline(char *str,dataptr dz); static int setup_and_init_input_brktable_constants(dataptr dz,int brkcnt); static int parse_infile_and_check_type(char **cmdline,dataptr dz); static int newtex_param_preprocess(int **perm,int **permon,int **permoff,int **superperm,double *minrate,int *maxsteps,dataptr dz); static int newtex(int *perm,int *permon,int *permoff,int *superperm,double minrate,int maxsteps,dataptr dz); static void incr_tabptr(int n,double time,double *transval,int strmsrc,dataptr dz); //static double read_level(int n,double time,dataptr dz); static int create_newtex_sndbufs(dataptr dz); static void rndintperm(int *perm,int cnt); static void get_current_partial_vals(double time,double *pvals,int totalpartials,dataptr dz); static void pancalc(double position,double *leftgain,double *rightgain); static void sort_partials_into_ascending_frq_order(int mpcnt,double *pvals,double *tabptr, double **llev,double **rlev,int **onoff,int **lmost,int **origspl,int *splordr,int *strmsrc,dataptr dz); static void resort_partials_into_original_frq_order(int mpcnt,double *pvals,double *tabptr, double **llev,double **rlev,int **onoff,int **lmost,int **origspl,int *splordr,int *strmsrc,dataptr dz); static void xclusive(int *perm,int *permon,int *permoff,int max_partials_cnt,int partials_in_play, int **onoff,int stepcnt); static double emergepos(int emergchan,int chans,double time,double timespan); static double convergepos(int converchan,int chans,double time,double convergetime,double dur); static void spacebox_apply(double pos, double lev,int chans,int *lmost, int *rmost,double *rlev,double *llev,int spacetyp); static void output_special_spatialisation_sample(float *obuf,int sampcnt,int switchpos,int chans,double val,double valr,int lmost,int rmost,int spacetyp); static void spacebox(double *pos, int *switchpos, double posstep, int chans, int spacetyp, int configno, int configcnt,int *superperm); static int otherwise(dataptr dz); static void get_drunkpos(int *here,int thisdur,int sndlen,int grain,int n,int *loc,int stepcnt,dataptr dz); static int get_step(int grain,dataptr dz); static int get_new_locus_pos(int here,int ambitus,int locus,int step,int sndlen,int thisdur); static int get_new_pos(int here,int ambitus,int locus,int step,int sndlen,int thisdur); static void bounce_off_src_end_if_necessary(int *here,int thisdur,int sndlen); /**************************************** MAIN *********************************************/ int main(int argc,char *argv[]) { int exit_status; dataptr dz = NULL; char **cmdline, sfnam[400]; int cmdlinecnt; //aplptr ap; int is_launched = FALSE; int *perm, *permon, *permoff, *superperm; int maxsteps = 0; double minrate = 0.0; if(argc==2 && (strcmp(argv[1],"--version") == 0)) { fprintf(stdout,"%s\n",cdp_version); fflush(stdout); return 0; } /* CHECK FOR SOUNDLOOM */ if((sloom = sound_loom_in_use(&argc,&argv)) > 1) { sloom = 0; sloombatch = 1; } if(sflinit("cdp")){ sfperror("cdp: initialisation\n"); return(FAILED); } /* SET UP THE PRINCIPLE DATASTRUCTURE */ if((exit_status = establish_datastructure(&dz))<0) { // CDP LIB print_messages_and_close_sndfiles(exit_status,is_launched,dz); return(FAILED); } if(!sloom) { if(argc == 1) { usage1(); return(FAILED); } else if(argc == 2) { usage2(argv[1]); return(FAILED); } } if(!sloom) { if((exit_status = make_initial_cmdline_check(&argc,&argv))<0) { // CDP LIB print_messages_and_close_sndfiles(exit_status,is_launched,dz); return(FAILED); } cmdline = argv; cmdlinecnt = argc; if((get_the_process_no(argv[0],dz))<0) return(FAILED); cmdline++; cmdlinecnt--; dz->maxmode = 3; if((exit_status = get_the_mode_from_cmdline(cmdline[0],dz))<0) { print_messages_and_close_sndfiles(exit_status,is_launched,dz); return(exit_status); } cmdline++; cmdlinecnt--; // setup_particular_application = if(dz->mode == 0 && cmdlinecnt < 8) { usage2("newtex"); return(FAILED); } else if(dz->mode == 1 && cmdlinecnt < 9) { usage2("newtex"); return(FAILED); } else if(dz->mode == 2 && cmdlinecnt < 10) { usage2("newtex"); return(FAILED); } if((exit_status = setup_newtex_application(dz))<0) { print_messages_and_close_sndfiles(exit_status,is_launched,dz); return(FAILED); } if((exit_status = count_and_allocate_for_infiles(cmdlinecnt,cmdline,dz))<0) { // CDP LIB print_messages_and_close_sndfiles(exit_status,is_launched,dz); return(FAILED); } } else { //parse_TK_data() = if((exit_status = parse_sloom_data(argc,argv,&cmdline,&cmdlinecnt,dz))<0) { exit_status = print_messages_and_close_sndfiles(exit_status,is_launched,dz); return(exit_status); } } //ap = dz->application; // parse_infile_and_hone_type() = if((exit_status = parse_infile_and_check_type(cmdline,dz))<0) { exit_status = print_messages_and_close_sndfiles(exit_status,is_launched,dz); return(FAILED); } // setup_param_ranges_and_defaults() = if((exit_status = setup_newtex_param_ranges_and_defaults(dz))<0) { exit_status = print_messages_and_close_sndfiles(exit_status,is_launched,dz); return(FAILED); } if((exit_status = open_first_infile(cmdline[0],dz))<0) { print_messages_and_close_sndfiles(exit_status,is_launched,dz); return(FAILED); } cmdlinecnt--; cmdline++; if(dz->mode == 1 || dz->mode == 2) { if((exit_status = handle_extra_infiles(&cmdline,&cmdlinecnt,dz))<0) { print_messages_and_close_sndfiles(exit_status,is_launched,dz); return(FAILED); } } // handle_outfile() = if((exit_status = handle_the_outfile(&cmdlinecnt,&cmdline,dz))<0) { print_messages_and_close_sndfiles(exit_status,is_launched,dz); return(FAILED); } // handle_formants() redundant // handle_formant_quiksearch() redundant if(dz->mode == 0) { strcpy(sfnam,cmdline[0]); cmdlinecnt--; cmdline++; } if((exit_status = read_parameters_and_flags(&cmdline,&cmdlinecnt,dz))<0) { // CDP LIB print_messages_and_close_sndfiles(exit_status,is_launched,dz); return(FAILED); } // check_param_validity_and_consistency() redundant switch(dz->mode) { case(0): if((exit_status = handle_the_special_data(sfnam,dz))<0) { print_messages_and_close_sndfiles(exit_status,is_launched,dz); return(FAILED); } break; case(1): case(2): if((exit_status = otherwise(dz))<0) { print_messages_and_close_sndfiles(exit_status,is_launched,dz); return(FAILED); } break; } is_launched = TRUE; if((exit_status = create_newtex_sndbufs(dz))<0) { print_messages_and_close_sndfiles(exit_status,is_launched,dz); return(FAILED); } if((exit_status = newtex_param_preprocess(&perm,&permon,&permoff,&superperm,&minrate,&maxsteps,dz))<0) { print_messages_and_close_sndfiles(exit_status,is_launched,dz); return(FAILED); } if((exit_status = open_the_outfile(dz))<0) { print_messages_and_close_sndfiles(exit_status,is_launched,dz); return(FAILED); } //spec_process_file = if((exit_status = newtex(perm,permon,permoff,superperm,minrate,maxsteps,dz))<0) { print_messages_and_close_sndfiles(exit_status,is_launched,dz); return(FAILED); } if((exit_status = complete_output(dz))<0) { // CDP LIB print_messages_and_close_sndfiles(exit_status,is_launched,dz); return(FAILED); } exit_status = print_messages_and_close_sndfiles(FINISHED,is_launched,dz); // CDP LIB free(dz); return(SUCCEEDED); } /********************************************** REPLACED CDP LIB FUNCTIONS **********************************************/ /****************************** SET_PARAM_DATA *********************************/ int set_param_data(aplptr ap, int special_data,int maxparamcnt,int paramcnt,char *paramlist) { ap->special_data = (char)special_data; ap->param_cnt = (char)paramcnt; ap->max_param_cnt = (char)maxparamcnt; if(ap->max_param_cnt>0) { if((ap->param_list = (char *)malloc((size_t)(ap->max_param_cnt+1)))==NULL) { sprintf(errstr,"INSUFFICIENT MEMORY: for param_list\n"); return(MEMORY_ERROR); } strcpy(ap->param_list,paramlist); } return(FINISHED); } /****************************** SET_VFLGS *********************************/ int set_vflgs (aplptr ap,char *optflags,int optcnt,char *optlist,char *varflags,int vflagcnt, int vparamcnt,char *varlist) { ap->option_cnt = (char) optcnt; /*RWD added cast */ if(optcnt) { if((ap->option_list = (char *)malloc((size_t)(optcnt+1)))==NULL) { sprintf(errstr,"INSUFFICIENT MEMORY: for option_list\n"); return(MEMORY_ERROR); } strcpy(ap->option_list,optlist); if((ap->option_flags = (char *)malloc((size_t)(optcnt+1)))==NULL) { sprintf(errstr,"INSUFFICIENT MEMORY: for option_flags\n"); return(MEMORY_ERROR); } strcpy(ap->option_flags,optflags); } ap->vflag_cnt = (char) vflagcnt; ap->variant_param_cnt = (char) vparamcnt; if(vflagcnt) { if((ap->variant_list = (char *)malloc((size_t)(vflagcnt+1)))==NULL) { sprintf(errstr,"INSUFFICIENT MEMORY: for variant_list\n"); return(MEMORY_ERROR); } strcpy(ap->variant_list,varlist); if((ap->variant_flags = (char *)malloc((size_t)(vflagcnt+1)))==NULL) { sprintf(errstr,"INSUFFICIENT MEMORY: for variant_flags\n"); return(MEMORY_ERROR); } strcpy(ap->variant_flags,varflags); } return(FINISHED); } /***************************** APPLICATION_INIT **************************/ int application_init(dataptr dz) { int exit_status; int storage_cnt; int tipc, brkcnt; aplptr ap = dz->application; if(ap->vflag_cnt>0) initialise_vflags(dz); tipc = ap->max_param_cnt + ap->option_cnt + ap->variant_param_cnt; ap->total_input_param_cnt = (char)tipc; if(tipc>0) { if((exit_status = setup_input_param_range_stores(tipc,ap))<0) return(exit_status); if((exit_status = setup_input_param_defaultval_stores(tipc,ap))<0) return(exit_status); if((exit_status = setup_and_init_input_param_activity(dz,tipc))<0) return(exit_status); } brkcnt = tipc; //THERE ARE NO INPUTFILE brktables USED IN THIS PROCESS if(brkcnt>0) { if((exit_status = setup_and_init_input_brktable_constants(dz,brkcnt))<0) return(exit_status); } if((storage_cnt = tipc + ap->internal_param_cnt)>0) { if((exit_status = setup_parameter_storage_and_constants(storage_cnt,dz))<0) return(exit_status); if((exit_status = initialise_is_int_and_no_brk_constants(storage_cnt,dz))<0) return(exit_status); } if((exit_status = mark_parameter_types(dz,ap))<0) return(exit_status); // establish_infile_constants() replaced by dz->infilecnt = 1; //establish_bufptrs_and_extra_buffers(): return(FINISHED); } /********************** SETUP_PARAMETER_STORAGE_AND_CONSTANTS ********************/ /* RWD mallo changed to calloc; helps debug verison run as release! */ int setup_parameter_storage_and_constants(int storage_cnt,dataptr dz) { if((dz->param = (double *)calloc(storage_cnt, sizeof(double)))==NULL) { sprintf(errstr,"setup_parameter_storage_and_constants(): 1\n"); return(MEMORY_ERROR); } if((dz->iparam = (int *)calloc(storage_cnt, sizeof(int) ))==NULL) { sprintf(errstr,"setup_parameter_storage_and_constants(): 2\n"); return(MEMORY_ERROR); } if((dz->is_int = (char *)calloc(storage_cnt, sizeof(char)))==NULL) { sprintf(errstr,"setup_parameter_storage_and_constants(): 3\n"); return(MEMORY_ERROR); } if((dz->no_brk = (char *)calloc(storage_cnt, sizeof(char)))==NULL) { sprintf(errstr,"setup_parameter_storage_and_constants(): 5\n"); return(MEMORY_ERROR); } return(FINISHED); } /************** INITIALISE_IS_INT_AND_NO_BRK_CONSTANTS *****************/ int initialise_is_int_and_no_brk_constants(int storage_cnt,dataptr dz) { int n; for(n=0;nis_int[n] = (char)0; dz->no_brk[n] = (char)0; } return(FINISHED); } /***************************** MARK_PARAMETER_TYPES **************************/ int mark_parameter_types(dataptr dz,aplptr ap) { int n, m; /* PARAMS */ for(n=0;nmax_param_cnt;n++) { switch(ap->param_list[n]) { case('0'): break; /* dz->is_active[n] = 0 is default */ case('i'): dz->is_active[n] = (char)1; dz->is_int[n] = (char)1;dz->no_brk[n] = (char)1; break; case('I'): dz->is_active[n] = (char)1; dz->is_int[n] = (char)1; break; case('d'): dz->is_active[n] = (char)1; dz->no_brk[n] = (char)1; break; case('D'): dz->is_active[n] = (char)1; /* normal case: double val or brkpnt file */ break; default: sprintf(errstr,"Programming error: invalid parameter type in mark_parameter_types()\n"); return(PROGRAM_ERROR); } } /* OPTIONS */ for(n=0,m=ap->max_param_cnt;noption_cnt;n++,m++) { switch(ap->option_list[n]) { case('i'): dz->is_active[m] = (char)1; dz->is_int[m] = (char)1; dz->no_brk[m] = (char)1; break; case('I'): dz->is_active[m] = (char)1; dz->is_int[m] = (char)1; break; case('d'): dz->is_active[m] = (char)1; dz->no_brk[m] = (char)1; break; case('D'): dz->is_active[m] = (char)1; /* normal case: double val or brkpnt file */ break; default: sprintf(errstr,"Programming error: invalid option type in mark_parameter_types()\n"); return(PROGRAM_ERROR); } } /* VARIANTS */ for(n=0,m=ap->max_param_cnt + ap->option_cnt;n < ap->variant_param_cnt; n++, m++) { switch(ap->variant_list[n]) { case('0'): break; case('i'): dz->is_active[m] = (char)1; dz->is_int[m] = (char)1; dz->no_brk[m] = (char)1; break; case('I'): dz->is_active[m] = (char)1; dz->is_int[m] = (char)1; break; case('d'): dz->is_active[m] = (char)1; dz->no_brk[m] = (char)1; break; case('D'): dz->is_active[m] = (char)1; /* normal case: double val or brkpnt file */ break; default: sprintf(errstr,"Programming error: invalid variant type in mark_parameter_types()\n"); return(PROGRAM_ERROR); } } /* INTERNAL */ for(n=0, m=ap->max_param_cnt + ap->option_cnt + ap->variant_param_cnt; ninternal_param_cnt; n++,m++) { switch(ap->internal_param_list[n]) { case('0'): break; /* dummy variables: variables not used: but important for internal paream numbering!! */ case('i'): dz->is_int[m] = (char)1; dz->no_brk[m] = (char)1; break; case('d'): dz->no_brk[m] = (char)1; break; default: sprintf(errstr,"Programming error: invalid internal param type in mark_parameter_types()\n"); return(PROGRAM_ERROR); } } return(FINISHED); } /************************ HANDLE_THE_OUTFILE *********************/ int handle_the_outfile(int *cmdlinecnt,char ***cmdline,dataptr dz) { char *filename = (*cmdline)[0], *p; if(filename[0]=='-' && filename[1]=='f') { dz->floatsam_output = 1; dz->true_outfile_stype = SAMP_FLOAT; filename+= 2; } if(!sloom) { if(file_has_invalid_startchar(filename) || value_is_numeric(filename)) { sprintf(errstr,"Outfile name %s has invalid start character(s) or looks too much like a number.\n",filename); return(DATA_ERROR); } } p = filename; // Drop file extension while(*p != ENDOFSTR) { if(*p == '.') { *p = ENDOFSTR; break; } p++; } strcpy(dz->outfilename,filename); (*cmdline)++; (*cmdlinecnt)--; return(FINISHED); } /************************ OPEN_THE_OUTFILE *********************/ int open_the_outfile(dataptr dz) { int exit_status; dz->infile->channels = dz->iparam[NTEX_CHANS]; if((exit_status = create_sized_outfile(dz->outfilename,dz))<0) return(exit_status); dz->infile->channels = 1; return(FINISHED); } /***************************** ESTABLISH_APPLICATION **************************/ int establish_application(dataptr dz) { aplptr ap; if((dz->application = (aplptr)malloc(sizeof (struct applic)))==NULL) { sprintf(errstr,"establish_application()\n"); return(MEMORY_ERROR); } ap = dz->application; memset((char *)ap,0,sizeof(struct applic)); return(FINISHED); } /************************* INITIALISE_VFLAGS *************************/ int initialise_vflags(dataptr dz) { int n; if((dz->vflag = (char *)malloc(dz->application->vflag_cnt * sizeof(char)))==NULL) { sprintf(errstr,"INSUFFICIENT MEMORY: vflag store,\n"); return(MEMORY_ERROR); } for(n=0;napplication->vflag_cnt;n++) dz->vflag[n] = FALSE; return FINISHED; } /************************* SETUP_INPUT_PARAM_DEFAULTVALS *************************/ int setup_input_param_defaultval_stores(int tipc,aplptr ap) { int n; if((ap->default_val = (double *)malloc(tipc * sizeof(double)))==NULL) { sprintf(errstr,"INSUFFICIENT MEMORY for application default values store\n"); return(MEMORY_ERROR); } for(n=0;ndefault_val[n] = 0.0; return(FINISHED); } /***************************** SETUP_AND_INIT_INPUT_PARAM_ACTIVITY **************************/ int setup_and_init_input_param_activity(dataptr dz,int tipc) { int n; if((dz->is_active = (char *)malloc((size_t)tipc))==NULL) { sprintf(errstr,"setup_and_init_input_param_activity()\n"); return(MEMORY_ERROR); } for(n=0;nis_active[n] = (char)0; return(FINISHED); } /************************* SETUP_NEWTEX_APPLICATION *******************/ int setup_newtex_application(dataptr dz) { int exit_status; aplptr ap; if((exit_status = establish_application(dz))<0) // GLOBAL return(FAILED); ap = dz->application; // SEE parstruct FOR EXPLANATION of next 2 functions switch(dz->mode) { case(0): if((exit_status = set_param_data(ap,NTEX_TRANPOS,9,5,"diDDi0000"))<0) return(FAILED); if((exit_status = set_vflgs(ap,"sneEcCr",7,"dIididd","xj",2,0,"00"))<0) return(exit_status); break; case(1): if((exit_status = set_param_data(ap,0,9,6,"diDDid000"))<0) return(FAILED); if((exit_status = set_vflgs(ap,"sneEcCr",7,"diididd","xj",2,0,"00"))<0) return(exit_status); break; case(2): if((exit_status = set_param_data(ap,0,9,8,"diDDi0DDD"))<0) return(FAILED); if((exit_status = set_vflgs(ap,"sneEcCr",7,"diididd","xj",2,0,"00"))<0) return(exit_status); break; } // set_legal_infile_structure --> dz->has_otherfile = FALSE; // assign_process_logic --> switch(dz->mode) { case(0): dz->input_data_type = SNDFILES_ONLY; break; case(1): dz->input_data_type = MANY_SNDFILES; break; case(2): dz->input_data_type = ONE_OR_MANY_SNDFILES; break; } dz->process_type = UNEQUAL_SNDFILE; dz->outfiletype = SNDFILE_OUT; return application_init(dz); //GLOBAL } /************************* PARSE_INFILE_AND_CHECK_TYPE *******************/ int parse_infile_and_check_type(char **cmdline,dataptr dz) { int exit_status; infileptr infile_info; if(!sloom) { if((infile_info = (infileptr)malloc(sizeof(struct filedata)))==NULL) { sprintf(errstr,"INSUFFICIENT MEMORY for infile structure to test file data."); return(MEMORY_ERROR); } else if((exit_status = cdparse(cmdline[0],infile_info))<0) { sprintf(errstr,"Failed to parse input file %s\n",cmdline[0]); return(PROGRAM_ERROR); } else if(infile_info->filetype != SNDFILE) { sprintf(errstr,"File %s is not of correct type\n",cmdline[0]); return(DATA_ERROR); } else if(infile_info->channels != 1) { sprintf(errstr,"File %s is not MONO\n",cmdline[0]); return(DATA_ERROR); } else if((exit_status = copy_parse_info_to_main_structure(infile_info,dz))<0) { sprintf(errstr,"Failed to copy file parsing information\n"); return(PROGRAM_ERROR); } free(infile_info); } return(FINISHED); } /************************* SETUP_NEWTEX_PARAM_RANGES_AND_DEFAULTS *******************/ int setup_newtex_param_ranges_and_defaults(dataptr dz) { int exit_status; aplptr ap = dz->application; // set_param_ranges() ap->total_input_param_cnt = (char)(ap->max_param_cnt + ap->option_cnt + ap->variant_param_cnt); // NB total_input_param_cnt is > 0 !!! if((exit_status = setup_input_param_range_stores(ap->total_input_param_cnt,ap))<0) return(FAILED); // get_param_ranges() ap->lo[NTEX_DUR] = 0.0; ap->hi[NTEX_DUR] = 32767.0; ap->default_val[NTEX_DUR] = 1.0; ap->lo[NTEX_CHANS] = 2; ap->hi[NTEX_CHANS] = 16.0; ap->default_val[NTEX_CHANS] = 1.0; switch(dz->mode) { case(0): ap->lo[NTEX_MAX] = 1.0; // FOr mode 0 this is (current) max transposition ap->hi[NTEX_MAX] = 8.0; ap->default_val[NTEX_MAX] = 3.0; break; case(1): case(2): ap->lo[NTEX_MAX] = 1.0; // For mode 0 this is times any src can be duplicated in the output ap->hi[NTEX_MAX] = 8.0; ap->default_val[NTEX_MAX] = 2.0; break; } ap->lo[NTEX_RATE] = 0.004; ap->hi[NTEX_RATE] = 100; ap->default_val[NTEX_RATE] = 0.1; switch(dz->mode) { case(1): ap->lo[NTEX_DEL] = 0.0; ap->hi[NTEX_DEL] = 32767; ap->default_val[NTEX_DEL] = 0.0; break; case(2): ap->lo[NTEX_LOC] = 0.0; ap->hi[NTEX_LOC] = 32767; ap->default_val[NTEX_LOC] = 0.0; ap->lo[NTEX_AMB] = 0.0; ap->hi[NTEX_AMB] = 32767; ap->default_val[NTEX_AMB] = 0.0; ap->lo[NTEX_GST] = 0.0; ap->hi[NTEX_GST] = 32767; ap->default_val[NTEX_GST] = 0.0; break; } ap->lo[NTEX_SPLEN] = 2; ap->hi[NTEX_SPLEN] = 50; ap->default_val[NTEX_SPLEN] = 5; switch(dz->mode) { case(0): ap->lo[NTEX_NUM] = 0; // Number of streams active ap->hi[NTEX_NUM] = 32; ap->default_val[NTEX_NUM] = 0; break; case(1): case(2): ap->lo[NTEX_NUM] = 0; // Number of streams active ap->hi[NTEX_NUM] = 132; ap->default_val[NTEX_NUM] = 0; break; } ap->lo[NTEX_EFROM] = 0; ap->hi[NTEX_EFROM] = 16.0; ap->default_val[NTEX_EFROM] = 0; ap->lo[NTEX_ETIME] = 0; ap->hi[NTEX_ETIME] = 32767.0; ap->default_val[NTEX_ETIME] = 0; ap->lo[NTEX_CTO] = 0; ap->hi[NTEX_CTO] = 16.0; ap->default_val[NTEX_CTO] = 0; ap->lo[NTEX_CTIME] = 0; ap->hi[NTEX_CTIME] = 32767.0; ap->default_val[NTEX_CTIME] = 0; ap->lo[NTEX_STYPE] = 0; ap->hi[NTEX_STYPE] = 14; ap->default_val[NTEX_STYPE] = 0; ap->lo[NTEX_RSPEED] = -20; ap->hi[NTEX_RSPEED] = 20; ap->default_val[NTEX_RSPEED] = 0; dz->maxmode = 3; if(!sloom) put_default_vals_in_all_params(dz); return(FINISHED); } /********************************* PARSE_SLOOM_DATA *********************************/ int parse_sloom_data(int argc,char *argv[],char ***cmdline,int *cmdlinecnt,dataptr dz) { int exit_status; int cnt = 1, infilecnt; int filesize, insams, inbrksize; double dummy; int true_cnt = 0; //aplptr ap; while(cnt<=PRE_CMDLINE_DATACNT) { if(cnt > argc) { sprintf(errstr,"Insufficient data sent from TK\n"); return(DATA_ERROR); } switch(cnt) { case(1): if(sscanf(argv[cnt],"%d",&dz->process)!=1) { sprintf(errstr,"Cannot read process no. sent from TK\n"); return(DATA_ERROR); } break; case(2): if(sscanf(argv[cnt],"%d",&dz->mode)!=1) { sprintf(errstr,"Cannot read mode no. sent from TK\n"); return(DATA_ERROR); } if(dz->mode > 0) dz->mode--; //setup_particular_application() = if((exit_status = setup_newtex_application(dz))<0) return(exit_status); //ap = dz->application; break; case(3): if(sscanf(argv[cnt],"%d",&infilecnt)!=1) { sprintf(errstr,"Cannot read infilecnt sent from TK\n"); return(DATA_ERROR); } if(infilecnt < 1) { true_cnt = cnt + 1; cnt = PRE_CMDLINE_DATACNT; /* force exit from loop after assign_file_data_storage */ } if((exit_status = assign_file_data_storage(infilecnt,dz))<0) return(exit_status); break; case(INPUT_FILETYPE+4): if(sscanf(argv[cnt],"%d",&dz->infile->filetype)!=1) { sprintf(errstr,"Cannot read filetype sent from TK (%s)\n",argv[cnt]); return(DATA_ERROR); } break; case(INPUT_FILESIZE+4): if(sscanf(argv[cnt],"%d",&filesize)!=1) { sprintf(errstr,"Cannot read infilesize sent from TK\n"); return(DATA_ERROR); } dz->insams[0] = filesize; break; case(INPUT_INSAMS+4): if(sscanf(argv[cnt],"%d",&insams)!=1) { sprintf(errstr,"Cannot read insams sent from TK\n"); return(DATA_ERROR); } dz->insams[0] = insams; break; case(INPUT_SRATE+4): if(sscanf(argv[cnt],"%d",&dz->infile->srate)!=1) { sprintf(errstr,"Cannot read srate sent from TK\n"); return(DATA_ERROR); } break; case(INPUT_CHANNELS+4): if(sscanf(argv[cnt],"%d",&dz->infile->channels)!=1) { sprintf(errstr,"Cannot read channels sent from TK\n"); return(DATA_ERROR); } break; case(INPUT_STYPE+4): if(sscanf(argv[cnt],"%d",&dz->infile->stype)!=1) { sprintf(errstr,"Cannot read stype sent from TK\n"); return(DATA_ERROR); } break; case(INPUT_ORIGSTYPE+4): if(sscanf(argv[cnt],"%d",&dz->infile->origstype)!=1) { sprintf(errstr,"Cannot read origstype sent from TK\n"); return(DATA_ERROR); } break; case(INPUT_ORIGRATE+4): if(sscanf(argv[cnt],"%d",&dz->infile->origrate)!=1) { sprintf(errstr,"Cannot read origrate sent from TK\n"); return(DATA_ERROR); } break; case(INPUT_MLEN+4): if(sscanf(argv[cnt],"%d",&dz->infile->Mlen)!=1) { sprintf(errstr,"Cannot read Mlen sent from TK\n"); return(DATA_ERROR); } break; case(INPUT_DFAC+4): if(sscanf(argv[cnt],"%d",&dz->infile->Dfac)!=1) { sprintf(errstr,"Cannot read Dfac sent from TK\n"); return(DATA_ERROR); } break; case(INPUT_ORIGCHANS+4): if(sscanf(argv[cnt],"%d",&dz->infile->origchans)!=1) { sprintf(errstr,"Cannot read origchans sent from TK\n"); return(DATA_ERROR); } break; case(INPUT_SPECENVCNT+4): if(sscanf(argv[cnt],"%d",&dz->infile->specenvcnt)!=1) { sprintf(errstr,"Cannot read specenvcnt sent from TK\n"); return(DATA_ERROR); } dz->specenvcnt = dz->infile->specenvcnt; break; case(INPUT_WANTED+4): if(sscanf(argv[cnt],"%d",&dz->wanted)!=1) { sprintf(errstr,"Cannot read wanted sent from TK\n"); return(DATA_ERROR); } break; case(INPUT_WLENGTH+4): if(sscanf(argv[cnt],"%d",&dz->wlength)!=1) { sprintf(errstr,"Cannot read wlength sent from TK\n"); return(DATA_ERROR); } break; case(INPUT_OUT_CHANS+4): if(sscanf(argv[cnt],"%d",&dz->out_chans)!=1) { sprintf(errstr,"Cannot read out_chans sent from TK\n"); return(DATA_ERROR); } break; /* RWD these chanegs to samps - tk will have to deal with that! */ case(INPUT_DESCRIPTOR_BYTES+4): if(sscanf(argv[cnt],"%d",&dz->descriptor_samps)!=1) { sprintf(errstr,"Cannot read descriptor_samps sent from TK\n"); return(DATA_ERROR); } break; case(INPUT_IS_TRANSPOS+4): if(sscanf(argv[cnt],"%d",&dz->is_transpos)!=1) { sprintf(errstr,"Cannot read is_transpos sent from TK\n"); return(DATA_ERROR); } break; case(INPUT_COULD_BE_TRANSPOS+4): if(sscanf(argv[cnt],"%d",&dz->could_be_transpos)!=1) { sprintf(errstr,"Cannot read could_be_transpos sent from TK\n"); return(DATA_ERROR); } break; case(INPUT_COULD_BE_PITCH+4): if(sscanf(argv[cnt],"%d",&dz->could_be_pitch)!=1) { sprintf(errstr,"Cannot read could_be_pitch sent from TK\n"); return(DATA_ERROR); } break; case(INPUT_DIFFERENT_SRATES+4): if(sscanf(argv[cnt],"%d",&dz->different_srates)!=1) { sprintf(errstr,"Cannot read different_srates sent from TK\n"); return(DATA_ERROR); } break; case(INPUT_DUPLICATE_SNDS+4): if(sscanf(argv[cnt],"%d",&dz->duplicate_snds)!=1) { sprintf(errstr,"Cannot read duplicate_snds sent from TK\n"); return(DATA_ERROR); } break; case(INPUT_BRKSIZE+4): if(sscanf(argv[cnt],"%d",&inbrksize)!=1) { sprintf(errstr,"Cannot read brksize sent from TK\n"); return(DATA_ERROR); } if(inbrksize > 0) { switch(dz->input_data_type) { case(WORDLIST_ONLY): break; case(PITCH_AND_PITCH): case(PITCH_AND_TRANSPOS): case(TRANSPOS_AND_TRANSPOS): dz->tempsize = inbrksize; break; case(BRKFILES_ONLY): case(UNRANGED_BRKFILE_ONLY): case(DB_BRKFILES_ONLY): case(ALL_FILES): case(ANY_NUMBER_OF_ANY_FILES): if(dz->extrabrkno < 0) { sprintf(errstr,"Storage location number for brktable not established by CDP.\n"); return(DATA_ERROR); } if(dz->brksize == NULL) { sprintf(errstr,"CDP has not established storage space for input brktable.\n"); return(PROGRAM_ERROR); } dz->brksize[dz->extrabrkno] = inbrksize; break; default: sprintf(errstr,"TK sent brktablesize > 0 for input_data_type [%d] not using brktables.\n", dz->input_data_type); return(PROGRAM_ERROR); } break; } break; case(INPUT_NUMSIZE+4): if(sscanf(argv[cnt],"%d",&dz->numsize)!=1) { sprintf(errstr,"Cannot read numsize sent from TK\n"); return(DATA_ERROR); } break; case(INPUT_LINECNT+4): if(sscanf(argv[cnt],"%d",&dz->linecnt)!=1) { sprintf(errstr,"Cannot read linecnt sent from TK\n"); return(DATA_ERROR); } break; case(INPUT_ALL_WORDS+4): if(sscanf(argv[cnt],"%d",&dz->all_words)!=1) { sprintf(errstr,"Cannot read all_words sent from TK\n"); return(DATA_ERROR); } break; case(INPUT_ARATE+4): if(sscanf(argv[cnt],"%f",&dz->infile->arate)!=1) { sprintf(errstr,"Cannot read arate sent from TK\n"); return(DATA_ERROR); } break; case(INPUT_FRAMETIME+4): if(sscanf(argv[cnt],"%lf",&dummy)!=1) { sprintf(errstr,"Cannot read frametime sent from TK\n"); return(DATA_ERROR); } dz->frametime = (float)dummy; break; case(INPUT_WINDOW_SIZE+4): if(sscanf(argv[cnt],"%f",&dz->infile->window_size)!=1) { sprintf(errstr,"Cannot read window_size sent from TK\n"); return(DATA_ERROR); } break; case(INPUT_NYQUIST+4): if(sscanf(argv[cnt],"%lf",&dz->nyquist)!=1) { sprintf(errstr,"Cannot read nyquist sent from TK\n"); return(DATA_ERROR); } break; case(INPUT_DURATION+4): if(sscanf(argv[cnt],"%lf",&dz->duration)!=1) { sprintf(errstr,"Cannot read duration sent from TK\n"); return(DATA_ERROR); } break; case(INPUT_MINBRK+4): if(sscanf(argv[cnt],"%lf",&dz->minbrk)!=1) { sprintf(errstr,"Cannot read minbrk sent from TK\n"); return(DATA_ERROR); } break; case(INPUT_MAXBRK+4): if(sscanf(argv[cnt],"%lf",&dz->maxbrk)!=1) { sprintf(errstr,"Cannot read maxbrk sent from TK\n"); return(DATA_ERROR); } break; case(INPUT_MINNUM+4): if(sscanf(argv[cnt],"%lf",&dz->minnum)!=1) { sprintf(errstr,"Cannot read minnum sent from TK\n"); return(DATA_ERROR); } break; case(INPUT_MAXNUM+4): if(sscanf(argv[cnt],"%lf",&dz->maxnum)!=1) { sprintf(errstr,"Cannot read maxnum sent from TK\n"); return(DATA_ERROR); } break; default: sprintf(errstr,"case switch item missing: parse_sloom_data()\n"); return(PROGRAM_ERROR); } cnt++; } if(cnt!=PRE_CMDLINE_DATACNT+1) { sprintf(errstr,"Insufficient pre-cmdline params sent from TK\n"); return(DATA_ERROR); } if(true_cnt) cnt = true_cnt; *cmdlinecnt = 0; while(cnt < argc) { if((exit_status = get_tk_cmdline_word(cmdlinecnt,cmdline,argv[cnt]))<0) return(exit_status); cnt++; } return(FINISHED); } /********************************* GET_TK_CMDLINE_WORD *********************************/ int get_tk_cmdline_word(int *cmdlinecnt,char ***cmdline,char *q) { if(*cmdlinecnt==0) { if((*cmdline = (char **)malloc(sizeof(char *)))==NULL) { sprintf(errstr,"INSUFFICIENT MEMORY for TK cmdline array.\n"); return(MEMORY_ERROR); } } else { if((*cmdline = (char **)realloc(*cmdline,((*cmdlinecnt)+1) * sizeof(char *)))==NULL) { sprintf(errstr,"INSUFFICIENT MEMORY for TK cmdline array.\n"); return(MEMORY_ERROR); } } if(((*cmdline)[*cmdlinecnt] = (char *)malloc((strlen(q) + 1) * sizeof(char)))==NULL) { sprintf(errstr,"INSUFFICIENT MEMORY for TK cmdline item %d.\n",(*cmdlinecnt)+1); return(MEMORY_ERROR); } strcpy((*cmdline)[*cmdlinecnt],q); (*cmdlinecnt)++; return(FINISHED); } /****************************** ASSIGN_FILE_DATA_STORAGE *********************************/ int assign_file_data_storage(int infilecnt,dataptr dz) { int exit_status; int no_sndfile_system_files = FALSE; dz->infilecnt = infilecnt; if((exit_status = allocate_filespace(dz))<0) return(exit_status); if(no_sndfile_system_files) dz->infilecnt = 0; return(FINISHED); } /************************* redundant functions: to ensure libs compile OK *******************/ int assign_process_logic(dataptr dz) { return(FINISHED); } void set_legal_infile_structure(dataptr dz) {} int set_legal_internalparam_structure(int process,int mode,aplptr ap) { return(FINISHED); } int setup_internal_arrays_and_array_pointers(dataptr dz) { return(FINISHED); } int establish_bufptrs_and_extra_buffers(dataptr dz) { return(FINISHED); } int read_special_data(char *str,dataptr dz) { return(FINISHED); } int inner_loop (int *peakscore,int *descnt,int *in_start_portion,int *least,int *pitchcnt,int windows_in_buf,dataptr dz) { return(FINISHED); } int get_process_no(char *prog_identifier_from_cmdline,dataptr dz) { return(FINISHED); } /******************************** USAGE1 ********************************/ int usage1(void) { usage2("newtex"); return(USAGE_ONLY); } /********************************************************************************************/ int get_the_process_no(char *prog_identifier_from_cmdline,dataptr dz) { if(!strcmp(prog_identifier_from_cmdline,"newtex")) dz->process = NEWTEX; else { fprintf(stderr,"Unknown program identification string '%s'\n",prog_identifier_from_cmdline); return(USAGE_ONLY); } return(FINISHED); } /******************************** SETUP_AND_INIT_INPUT_BRKTABLE_CONSTANTS ********************************/ int setup_and_init_input_brktable_constants(dataptr dz,int brkcnt) { int n; if((dz->brk = (double **)malloc(brkcnt * sizeof(double *)))==NULL) { sprintf(errstr,"setup_and_init_input_brktable_constants(): 1\n"); return(MEMORY_ERROR); } if((dz->brkptr = (double **)malloc(brkcnt * sizeof(double *)))==NULL) { sprintf(errstr,"setup_and_init_input_brktable_constants(): 6\n"); return(MEMORY_ERROR); } if((dz->brksize = (int *)malloc(brkcnt * sizeof(int)))==NULL) { sprintf(errstr,"setup_and_init_input_brktable_constants(): 2\n"); return(MEMORY_ERROR); } if((dz->firstval = (double *)malloc(brkcnt * sizeof(double)))==NULL) { sprintf(errstr,"setup_and_init_input_brktable_constants(): 3\n"); return(MEMORY_ERROR); } if((dz->lastind = (double *)malloc(brkcnt * sizeof(double)))==NULL) { sprintf(errstr,"setup_and_init_input_brktable_constants(): 4\n"); return(MEMORY_ERROR); } if((dz->lastval = (double *)malloc(brkcnt * sizeof(double)))==NULL) { sprintf(errstr,"setup_and_init_input_brktable_constants(): 5\n"); return(MEMORY_ERROR); } if((dz->brkinit = (int *)malloc(brkcnt * sizeof(int)))==NULL) { sprintf(errstr,"setup_and_init_input_brktable_constants(): 7\n"); return(MEMORY_ERROR); } for(n=0;nbrk[n] = NULL; dz->brkptr[n] = NULL; dz->brkinit[n] = 0; dz->brksize[n] = 0; } return(FINISHED); } /******************************** USAGE2 ********************************/ int usage2(char *str) { int k; if(!strcmp(str,"newtex")) { fprintf(stdout, "USAGE:\n" "newtex newtex 1 inf outf transposes dur chans maxrange step spacetype\n" " [-ssplice] [-nnumber] [-x] [-rrotspeed] [-j] [-efrom -Etime] [-cto -Ctime]\n" "newtex newtex 2 inf1 inf2 [inf3 ....] outf dur chans maxrange step spacetype delay\n" " [-ssplice] [-nnumber] [-x] [-rrotspeed] [-j] [-efrom -Etime] [-cto -Ctime]\n" "newtex newtex 3 inf1 [inf2 ....] outf dur chans maxrange step spacetype loc amb gstep\n" " [-ssplice] [-nnumber] [-x] [-rrotspeed] [-j] [-efrom -Etime] [-cto -Ctime]\n" "\n" "Create texture of grains made from src sound(s).\n" "MODE 1 Src transpositions (spread over N 8vas, and spatially) fade in-out randomly.\n" "MODE 2 Srcs read at orig rate (spread spatially) fade in-out randomly.\n" "MODE 3 Srcs read as drunken walks (spread spatially) fade in-out randomly.\n" "\n" "TRANPOSES Listing of transposition ratios and relative levels, against time.\n" " Data is a text file of lines of data.\n" " Every line must have the same number of entries.\n" " 1ST ENTRY on each line is a time.\n" " Times must start at zero and increase.\n" " ALL EVEN NUMBERED ENTRIES are transposition ratios.\n" " Transpositions must increase from entry to entry.\n" " ALL OTHER ODD NUMBERED ENTRIES are transposition levels.\n" " Levels should have values between -1 and 1.\n" " -ve values invert the phase of the source.\n" "DUR Duration of output sound.\n" "CHANS Number of output channels.\n" "MAXRANGE (Mode 0) Range of transpositions of input (in 8vas).\n" " (Mode 1) Number of simultaneous soundings of any src.\n" "STEP Average time between changes to stream-content of output.\n" "SPLICE Splice-lengths for component entry and exit, in mS.\n" "NUMBER Number of components chosen for each event.\n" "DELAY Time delay between identical components.\n" "LOC Locus from which to read sound segments.\n" "AMB Ambitus: restricted range around locus where reads can begin.\n" "GSTEP Max size of random steps between one read start and next.\n" "-x (Xclusive) change all components (as far as poss) from event to event.\n" "-j (Jump) All components assigned to same location for any one event.\n" "SPACETYPE Type of output spatialisation.\n" "ROTSPEED rotation speed (for certain spatialisation types).\n" "-e -E (Emerge) sound emerges from channel \"from\" over time \"time\" at start.\n" "-c -C (Converge) Sound converges to channel \"to\" over time \"time\" at end.\n" "NB: Flags with NO params must be placed AFTER any flags WITH params, on the cmdline.\n" "MAXRANGE, STEP, NUMBER, LOC, AMB and GSTEP can vary over time.\n" "\n" "Hit key 's' to continue to \"SPACETYPE\" information, or 'e' to exit.\n"); while((k = getch())!='s' && k != 'e') ; if(k == 's') { fprintf(stderr, "\n" "SPACETYPE options.\n" "\n" "0 Spatial position set at random.\n" "\n" "(For 8-channel output only)\n" "\n" "1 Positions alternate between Left and Right sides, but are otherwise random.\n" "2 Positions alternate between Front and Back, but are otherwise random.\n" "3 Rotating clockwise or anticlockwise.\n" "4 Random permutations of all 8 channels.\n" "5 ... plus all possible pairs of channels.\n" "6 ... plus all possible meaningful small and large triangles.\n" "7 ... plus square, diamond and all-at-once.\n" " In types 4 to 7, all members of perm used before next perm starts.\n" "8 Alternate between all-left and all-right.\n" "9 Alternate between all-front and all-back.\n" "10 Alternate between all-square and all-diamond.\n" "11 Rotate triangle formed by lspkrs 2-apart clockwise.\n" "12 Rotate triangle formed by lspkrs 3-apart clockwise.\n" "13 Rotate triangle formed by lspkrs 2-apart anticlockwise.\n" "14 Rotate triangle formed by lspkrs 3-apart anticlockwise.\n"); } } else fprintf(stdout,"Unknown option '%s'\n",str); return(USAGE_ONLY); } int usage3(char *str1,char *str2) { fprintf(stderr,"Insufficient parameters on command line.\n"); return(USAGE_ONLY); } /**************************** NEWTEX_PARAM_PREPROCESS *************************/ int newtex_param_preprocess (int **perm,int **permon,int **permoff,int **superperm,double *minrate,int *maxsteps,dataptr dz) { int exit_status, chans, configno, imaxnum; int n, minsrclen; double srate, endsplice, maxrate, maxnum, minnum; int partialscnt = dz->itemcnt; srate = (double)dz->infile->srate; //nyquist = srate/2.0; chans = dz->iparam[NTEX_CHANS]; // Establish end splice length dz->iparam[NTEX_DUR] = (int)round(dz->param[NTEX_DUR] * srate); if(dz->brksize[NTEX_RATE]) { if((exit_status = get_maxvalue_in_brktable(&maxrate,NTEX_RATE,dz))<0) return PROGRAM_ERROR; if((exit_status = get_minvalue_in_brktable(minrate,NTEX_RATE,dz))<0) return PROGRAM_ERROR; } else { maxrate = dz->param[NTEX_RATE]; *minrate = dz->param[NTEX_RATE]; } if(maxrate >= dz->param[NTEX_DUR]/2.0) { sprintf(errstr,"(max) Rate (%lf) must be less than half duration (%lf).\n",maxrate,dz->param[NTEX_DUR]); return(DATA_ERROR); } if(dz->mode == 2) { minsrclen = dz->insams[0]; for(n=1;ninfilecnt;n++) minsrclen = min(minsrclen,dz->insams[n]); if(maxrate >= minsrclen/2.0) { sprintf(errstr,"(max) Rate (%lf) must be less than half duration of shortest sound (%lf).\n",maxrate,(double)minsrclen/srate); return(DATA_ERROR); } if(dz->brksize[NTEX_LOC]) { if((exit_status = get_maxvalue_in_brktable(&maxrate,NTEX_LOC,dz))<0) return PROGRAM_ERROR; } else maxrate = dz->param[NTEX_LOC]; if(maxrate >= minsrclen) { sprintf(errstr,"(max) Locus (%lf) cannot go beyond end of shortest sound (%lf).\n",maxrate,(double)minsrclen/srate); return(DATA_ERROR); } if(dz->brksize[NTEX_AMB]) { if((exit_status = get_maxvalue_in_brktable(&maxrate,NTEX_AMB,dz))<0) return PROGRAM_ERROR; } else maxrate = dz->param[NTEX_AMB]; if(maxrate >= minsrclen/2.0) { sprintf(errstr,"(max) Ambitus (%lf) must be less than half duration of shortest sound (%lf).\n",maxrate,(double)minsrclen/srate); return(DATA_ERROR); } if(dz->brksize[NTEX_GST]) { if((exit_status = get_maxvalue_in_brktable(&maxrate,NTEX_GST,dz))<0) return PROGRAM_ERROR; } else maxrate = dz->param[NTEX_GST]; if(maxrate >= minsrclen/2.0) { sprintf(errstr,"(max) Step (%lf) must be less than half duration of shortest sound (%lf).\n",maxrate,(double)minsrclen/srate); return(DATA_ERROR); } } if(dz->iparam[NTEX_STYPE] > 0) { if(*minrate <= dz->param[NTEX_SPLEN] * MS_TO_SECS * 2.0) { sprintf(errstr,"(min) Rate (%lf) must be greater than 2 * splice (%lf) For special spatialisation types\n",*minrate,dz->param[NTEX_SPLEN] * MS_TO_SECS * 2.0); return(DATA_ERROR); } } else { if(*minrate <= dz->param[NTEX_SPLEN] * MS_TO_SECS) { sprintf(errstr,"(min) Rate (%lf) must be greater than splicelength (%lf).\n",*minrate,dz->param[NTEX_SPLEN] * MS_TO_SECS); return(DATA_ERROR); } } endsplice = 50.0 * MS_TO_SECS; dz->rampbrksize = (int)floor(endsplice * srate); if(dz->mode == 1) dz->iparam[NTEX_DEL] = (int)round(dz->param[NTEX_DEL] * srate); // Pointers into srcs for all transpositions /* * | | * MODE 0 arrays positions * mpcnt = all possible transposs, or streams | | | * (partials+all transpositions) current * frqs| * parray |-|-----------------|---------------|-|-|-|----------|----------| * |t| left_level | right-level step| | tvarying pno+plevel | * |a| mpcnt | mpcnt times | (Mpcnt*2) | * |b| | | | | (mpcnt*2)+4| | * address 0p|1 (mpcnt)+1 | (mpcnt*2)+2 | | * |t| | (mpcnt*2)+1 | | * |r| | | | (mpcnt*2)+3 (mpcnt*3)+4| * lengths | | maxsteps | maxsteps | |m| | linelen of srcdata * |t| |t|p|t| * |o| |o|c|o| * |t| |t|n|t| * |l| |l|t|l| * (totl = estimate of no * of timesteps used) * splicecntr * | transpos-order * | | switchpos (special spatialisation) * | | | infileno associated with stream * | | | | itabptr(integer pointer to input buffers) MODE 1 only * | | | | | lastloc (MODE 2/3) * iparray |-----------------|-----------------|-----------------|-| | | (mpcnt*3)+4 * | on-off flags | leftmost chan | spo | | | (mpcnt*3)+3 * | (mpcnt) | (mpcnt) | (mpcnt) | | (mpcnt*3)+2 MODE 2/3 | | * | | | | (mpcnt*3)+1 (readpos) special_onoff2 * address 0 mpcnt mpcnt*2 (mpcnt*3) | |-----------------| | * | | | | | | | | (mpcnt*3)+5 | | * lengths | maxsteps | maxsteps | maxsteps mpcnt | | | (mpcnt*3)+6 (mpcnt*4)+6 * | mpcnt | | | | | * | | mpcnt | | maxsteps mpcnt * (splcntrs = splice counters) | | | mpcnt | | | * (spo = orig values of splice counters) | | | | mpcnt * (mpcnt = max number of streams) | | | | | mpcnt * (maxsteps = total number of timesteps in process) */ dz->temp_sampsize = (partialscnt * 2) + 4; // Remember base of transpos/level data // A pointer for every src and every src transposition (this is a float-pointer, interpolating in input buffers) if((dz->parray[0] = (double *)malloc(dz->itemcnt * sizeof(double)))==NULL) { sprintf(errstr,"INSUFFICIENT MEMORY for sine table pointers.\n"); return(MEMORY_ERROR); } // An array for every component on-off markers, every leftmost-chan, every splice-counter-orig-vals, plus actual splice-cntrs + porder switch(dz->mode) { case(0): if((dz->iparray = (int **)malloc(((partialscnt * 3) + 4) * sizeof(int *)))==NULL) { sprintf(errstr,"INSUFFICIENT MEMORY for integer arrays.\n"); return(MEMORY_ERROR); } break; case(1): if((dz->iparray = (int **)malloc(((partialscnt * 3) + 5) * sizeof(int *)))==NULL) { sprintf(errstr,"INSUFFICIENT MEMORY for integer arrays.\n"); return(MEMORY_ERROR); } break; case(2): if((dz->iparray = (int **)malloc(((partialscnt * 4) + 7) * sizeof(int *)))==NULL) { sprintf(errstr,"INSUFFICIENT MEMORY for integer arrays.\n"); return(MEMORY_ERROR); } break; } *maxsteps = ((int)ceil(dz->param[NTEX_DUR]/(*minrate)) * 2) + 4; // SAFETY for(n=0;niparray[n] = (int *)malloc((*maxsteps) * sizeof(int)))==NULL) { sprintf(errstr,"INSUFFICIENT MEMORY for partial on-off marker array %d.\n",n+1); // base address = 0 return(MEMORY_ERROR); } // An array of leftmost output channel at steptimes, for every component and component-transposition if((dz->iparray[n+partialscnt] = (int *)malloc((*maxsteps) * sizeof(int)))==NULL) { sprintf(errstr,"INSUFFICIENT MEMORY to remember leftmost channels for stream %d.\n",n+1); // base address = partialscnt return(MEMORY_ERROR); } // An array of original_vals of splice_counters, at steptimes for every component and component-transposition if((dz->iparray[n+(partialscnt*2)] = (int *)malloc((*maxsteps) * sizeof(int)))==NULL) { sprintf(errstr,"INSUFFICIENT MEMORY for splice-counters for stream %d.\n",n+1); // base address = partialscnt * 2 return(MEMORY_ERROR); } // An array levels (or of left levels), at every steptime, for each component and component-transposition // base address = 1 if((dz->parray[n+1] = (double *)malloc((*maxsteps) * sizeof(double)))==NULL) { sprintf(errstr,"INSUFFICIENT MEMORY left-channel levels for stream %d.\n",n+1); return(MEMORY_ERROR); } // An array of right levels, at every steptime, for each component and component-transposition // base address = partialscnt + 1 if((dz->parray[n+1+partialscnt] = (double *)malloc((*maxsteps) * sizeof(double)))==NULL) { sprintf(errstr,"INSUFFICIENT MEMORY for right-channel levels for stream %d.\n",n+1); return(MEMORY_ERROR); } } // An array of steptimes if((dz->parray[(partialscnt*2)+1] = (double *)malloc((*maxsteps) * sizeof(double)))==NULL) { // address = (partialscnt * 2) + 1 sprintf(errstr,"INSUFFICIENT MEMORY for partial step times.\n"); return(MEMORY_ERROR); } // An array of current transpositions of partials if((dz->parray[(partialscnt*2)+2] = (double *)malloc(partialscnt * sizeof(double)))==NULL) { // address = (partialscnt * 2) + 2 sprintf(errstr,"INSUFFICIENT MEMORY for transposition data.\n"); return(MEMORY_ERROR); } // An array of current spatial positions if((dz->parray[(partialscnt*2)+3] = (double *)malloc((*maxsteps) * sizeof(double)))==NULL) { // address = (partialscnt * 2) + 3 sprintf(errstr,"INSUFFICIENT MEMORY for spatial positions.\n"); return(MEMORY_ERROR); } // An array of splice-counters for every component if((dz->iparray[partialscnt*3] = (int*)malloc(partialscnt * sizeof(int)))==NULL) { // address = (partialscnt * 3) sprintf(errstr,"INSUFFICIENT MEMORY for splice_counters.\n"); return(MEMORY_ERROR); } // An array of to remember the component order, for 2nd run if((dz->iparray[(partialscnt*3)+1] = (int*)malloc(partialscnt * sizeof(int)))==NULL) { // address = (partialscnt * 3)+1 sprintf(errstr,"INSUFFICIENT MEMORY to remember component order.\n"); return(MEMORY_ERROR); } for(n=0;niparray[(partialscnt*3)+1][n] = n; // An array of to remember the switchpos for certain spatial options if((dz->iparray[(partialscnt*3)+2] = (int*)malloc((*maxsteps) * sizeof(int)))==NULL) { // address = (partialscnt * 3)+2 sprintf(errstr,"INSUFFICIENT MEMORY for switching data for spatialisation.\n"); return(MEMORY_ERROR); } // An array of to remember the infile associated with each stream if((dz->iparray[(partialscnt*3)+3] = (int*)malloc(partialscnt * sizeof(int)))==NULL) { // address = (partialscnt * 3)+3 sprintf(errstr,"INSUFFICIENT MEMORY to store association between streams and srcs.\n"); return(MEMORY_ERROR); } // An array of to store INTEGER pointers into sound buffers, where no transposition happening switch(dz->mode) { case(2): if((dz->iparray[(partialscnt*4)+6] = (int*)malloc(partialscnt * sizeof(int)))==NULL) { // base address = (partialscnt * 4)+6 sprintf(errstr,"INSUFFICIENT MEMORY for remembering read locations for stream %d.\n",n+1); return(MEMORY_ERROR); } for(n=0;niparray[n + (partialscnt*3)+6] = (int*)malloc((*maxsteps) * sizeof(int)))==NULL) { // base address = (partialscnt * 3)+6 sprintf(errstr,"INSUFFICIENT MEMORY for remembering read locations for stream %d.\n",n+1); return(MEMORY_ERROR); } } if((dz->iparray[(partialscnt*3)+5] = (int*)malloc(partialscnt * sizeof(int)))==NULL) { // address = (partialscnt * 3)+5 sprintf(errstr,"INSUFFICIENT MEMORY for storing locus values.\n"); return(MEMORY_ERROR); } // fall thro case(1): if((dz->iparray[(partialscnt*3)+4] = (int*)malloc(partialscnt * sizeof(int)))==NULL) { // address = (partialscnt * 3)+4 sprintf(errstr,"INSUFFICIENT MEMORY for storing src read pointers.\n"); return(MEMORY_ERROR); } break; } // A permutation array for randomly permuting component, and arrays for sorting these perms if((*perm = (int *)malloc(((partialscnt * 2) + 2) * sizeof(int)))==NULL) { sprintf(errstr,"NO MEMORY FOR PARTIALS PERMUTATIONS\n"); return(DATA_ERROR); } if((*permon = (int *)malloc(partialscnt*sizeof(int)))==NULL) { sprintf(errstr,"NO MEMORY FOR PARTIALS PERMUTATIONS\n"); return(DATA_ERROR); } if((*permoff = (int *)malloc(partialscnt*sizeof(int)))==NULL) { sprintf(errstr,"NO MEMORY FOR PARTIALS PERMUTATIONS\n"); return(DATA_ERROR); } // A permutation array for randomly permuting spatial configurations, for certain spatialisation types configno = chans; configno += (chans * ((chans/2) - 1)) + chans/2; configno += chans * 2; configno += 3; if((*superperm = (int *)malloc(configno*sizeof(int)))==NULL) { sprintf(errstr,"NO MEMORY FOR PARTIALS PERMUTATIONS\n"); return(DATA_ERROR); } for(n=0;nitemcnt;n++) // Zero component-table pointers for all partials dz->parray[0][n] = 0.0; if(dz->param[NTEX_ETIME] + dz->param[NTEX_CTIME] >= dz->param[NTEX_DUR]) { sprintf(errstr,"Emerge and Converge times, combined, must be LESS than Output duration.\n"); return(DATA_ERROR); } if(dz->brksize[NTEX_NUM]) { if((exit_status = get_maxvalue_in_brktable(&maxnum,NTEX_NUM,dz))<0) return PROGRAM_ERROR; if((exit_status = get_minvalue_in_brktable(&minnum,NTEX_NUM,dz))<0) return PROGRAM_ERROR; if(minnum < 1) { sprintf(errstr,"Value for Number-of-streams in a brkpntfile cannot fall below 1\n"); return(DATA_ERROR); } imaxnum = (int)round(maxnum); } else { imaxnum = dz->iparam[NTEX_NUM]; if(imaxnum == 0) imaxnum = 1; } switch(dz->mode) { case(0): if(imaxnum > partialscnt) { sprintf(errstr,"Number of streams in play must be <= total number of transpositions in datafile and their octave equivalents (%d)\n",partialscnt); return(DATA_ERROR); } break; case(1): case(2): if(imaxnum > dz->itemcnt - 1) { sprintf(errstr,"Number of streams in play must be < number of infiles (%d) times maximum duplication factor (making %d in total)\n", dz->infilecnt,dz->itemcnt); return(DATA_ERROR); } break; } if(dz->iparam[NTEX_EFROM] > dz->iparam[NTEX_CHANS] || dz->iparam[NTEX_CTO] > dz->iparam[NTEX_CHANS]) { sprintf(errstr,"Channel to emerge from or converge to must be <= output channel count.\n"); return(DATA_ERROR); } if(dz->iparam[NTEX_EFROM] > 0 && dz->param[NTEX_ETIME] == 0.0) { fprintf(stdout,"WARNING: Emergence time set to zero: Ignoring emergence channel.\n"); fflush(stdout); dz->iparam[NTEX_EFROM] = 0; } if(dz->iparam[NTEX_EFROM] == 0 && dz->param[NTEX_ETIME] > 0.0) { fprintf(stdout,"WARNING: Emergence channel not set: Ignoring emergence duration.\n"); fflush(stdout); dz->param[NTEX_ETIME] = 0.0; } if(dz->iparam[NTEX_CTO] > 0 && dz->param[NTEX_CTIME] == 0.0) { fprintf(stdout,"WARNING: Convergence time set to zero: Ignoring convergence channel.\n"); fflush(stdout); dz->iparam[NTEX_CTO] = 0; } if(dz->iparam[NTEX_CTO] == 0 && dz->param[NTEX_CTIME] > 0.0) { fprintf(stdout,"WARNING: Convergence channel not set: Ignoring convergence duration.\n"); fflush(stdout); dz->param[NTEX_ETIME] = 0.0; } dz->param[NTEX_CTIME] = dz->param[NTEX_DUR] - dz->param[NTEX_CTIME]; if(dz->iparam[NTEX_STYPE] > 0) { if(chans != 8) { sprintf(errstr,"Special Spatialisation types Only available for 8-channel output.\n"); return(DATA_ERROR); } if(dz->iparam[NTEX_EFROM] || dz->iparam[NTEX_CTO]) { fprintf(stdout,"WARNING: Emergence/convergence not available with Special Spatialisation types.\n"); fflush(stdout); dz->iparam[NTEX_CTO] = 0; dz->iparam[NTEX_EFROM] = 0; dz->param[NTEX_ETIME] = 0.0; dz->param[NTEX_CTIME] = 0.0; } if(dz->vflag[NTX_JUMP]) { fprintf(stdout,"WARNING: Special Spatialisation types incompatible with Jump flag. Ignoring Jump Flag.\n"); dz->vflag[NTX_JUMP] = 0; fflush(stdout); } if(dz->iparam[NTEX_STYPE] == SB_ROTATE && dz->param[NTEX_RSPEED] == 0.0) { sprintf(errstr,"No rotation speed given for Special Spatialisation type %d, \"Rotation\".\n",SB_ROTATE); return(DATA_ERROR); } if(dz->iparam[NTEX_STYPE] != SB_ROTATE && dz->param[NTEX_RSPEED] > 0.0) { sprintf(errstr,"Special Spatialisation type %d, \"Rotation\" not set: Ignoring Rotation Speed.\n",SB_ROTATE); fflush(stdout); } } return(FINISHED); } /******************************** NEWTEX *********************************/ int newtex(int *perm,int *permon,int *permoff,int *superperm, double minrate,int maxsteps,dataptr dz) { int exit_status, n, chans, max_partials_cnt = 0, partials_in_play, rmost, k, m, terminate = 0, llmst = 0; int loindex, hiindex, stepcnt = 0, totaloutsamps, base_sampcnt, sublen = 0, sndlen = 0, thisdur = 0; double loval, hival, valdiff, timefrac, val = 0.0, valr = 0.0, vall = 0.0,/* level,*/ maxval = 1.0, pos = 0.0; float *obuf, **ibuf; double srate = (double)dz->infile->srate, thisstep, rangetop, posstep = 0.0; int partialcnt = dz->itemcnt, total_partialcnt = 0, splen = 0, spacetyp = dz->iparam[NTEX_STYPE]; double *tabptr = NULL; double **llev = NULL, **rlev = NULL, **transval = NULL /*, **translev = NULL*/; double *steptimes = NULL, *pvals = NULL, *position = NULL; int **onoff = NULL, **lmost = NULL, **origspl = NULL, *splcntr = NULL, *splordr = NULL, *swpos = NULL, *strmsrc = NULL; int *itabptr = NULL, *lastloc = NULL, **loc = NULL, *special_onoff2 = NULL; int inendsplice, instartsplice, total_samps_synthed = 0, jlmost = 0, switchpos = 0; int configcnt = 0, configno = 0, l_most = 0, r_most = 0, special_onoff = 0, indownsplice = 0; int sampcnt = 0, startspliceend = dz->rampbrksize, endsplicestart = dz->iparam[NTEX_DUR] - dz->rampbrksize, samps_read, here; double time = 0.0, spliceincr, spliceval, localspliceval, normaliser, nexttime = -1.0, leftgain = 0.0, rightgain = 0.0; int grain = 0; if((ibuf = (float **)malloc(dz->infilecnt*sizeof(float *)))==NULL) { sprintf(errstr,"NO MEMORY INPUT BUFFER POINTERS.\n"); return(DATA_ERROR); } for(n=0;ninfilecnt;n++) ibuf[n] = dz->sampbuf[n]; obuf = dz->sampbuf[n]; spliceincr = 1.0/(double)dz->rampbrksize; spliceval = 0.0; instartsplice = 1; inendsplice = 0; chans = dz->iparam[NTEX_CHANS]; totaloutsamps = dz->iparam[NTEX_DUR]; totaloutsamps *= chans; if(spacetyp > 0) { switch(spacetyp) { case(SB_SUPERSPACE4): // Square, diamond and All-at-once configno = 3; // For 8 chan = 3 + (8*2) + [((8*(4-1))+4] + 8 = 3 + 16 + 28 + 8 = 55 // fall thro case(SB_SUPERSPACE3): // all possible meaningful small and large triangles configno += chans * 2; // fall thro case(SB_SUPERSPACE2): // all possible pairs configno += (chans * ((chans/2) - 1)) + chans/2; // fall thro case(SB_SUPERSPACE): // all single chans configno += chans; break; } } endsplicestart = dz->iparam[NTEX_DUR] - (int)floor(50 * MS_TO_SECS * srate); // Force long splice at end endsplicestart *= chans; startspliceend = (int)floor(50 * MS_TO_SECS * srate); // Force int splice at start startspliceend *= chans; instartsplice = 1; inendsplice = 0; splen = (int)round(dz->param[NTEX_SPLEN] * MS_TO_SECS * srate); total_partialcnt = partialcnt; /******************************** ARRAYS ******************************** * * MODE 0 arrays | | * pcnt = partialcnt mpcnt = maxpartialcnt positions * (partials+all transpositions) | | | * | | current * tabptrs frqs| * parray |-|-----------------|---------------|-|-|-|----------|----------| * | | left_level | right-level step| | transpos | level | * | | mpcnt | mpcnt times | mpcnt | mpcnt | * | | | | | | | | | * | | | (mpcnt*2)+1 | | * address 0 1 (mpcnt)+1 | (mpcnt*2)+2 (mpcnt*3)+4| * | | | | | (mpcnt*2)+3 | | * | | | | | | (mpcnt*2)+4| | * | | | | | | | | * lengths | | maxsteps | maxsteps | |m| | linelen | linelen | * |t| |t|p|t|of srcdata|of srcdata| * |o| |o|c|o| | | * |t| |t|n|t| | | * |l| |l|t|l| | | * (totl = estimate of no of timesteps used) * (mpcnt = total number of streams) * (maxsteps = total number of timesteps) * splicecntr * | transpos-order * | | switchpos (special spatialisation) * | | | infileno associated with stream * | | | | itabptr(integer pointer to input buffers) MODE 1 only * | | | | | | * iparray |-----------------|-----------------|-----------------|-| | | (mpcnt*3)+4 * | on-off flags | leftmost chan | spo | | | (mpcnt*3)+3 * | (mpcnt) | (mpcnt) | (mpcnt) | | (mpcnt*3)+2 * | | | | (mpcnt*3)+1 MODE 2/3 (readpos) * address 0 mpcnt mpcnt*2 (mpcnt*3) | |-----------------| * | | | | | | | | (mpcnt*3)+5 | * lengths | maxsteps | maxsteps | maxsteps mpcnt | | | (mpcnt*3)+6 | * | mpcnt | | | | * | | mpcnt | | maxsteps | * (splcntrs = splice counters) | | | mpcnt | | * (spo = orig values of splice counters) | | | | mpcnt * (mpcnt = max number of streams) | | | | | mpcnt * (maxsteps = total number of timesteps in process) */ llev = dz->parray + 1; rlev = dz->parray + partialcnt + 1; tabptr = dz->parray[0]; steptimes = dz->parray[(partialcnt * 2) + 1]; pvals = dz->parray[(partialcnt * 2) + 2]; position = dz->parray[(partialcnt * 2) + 3]; onoff = dz->iparray; lmost = dz->iparray + partialcnt; if(dz->mode == 0) { transval = dz->parray + (partialcnt * 2) + 4; // translev = dz->parray + (partialcnt * 3) + 4; } origspl = dz->iparray + (partialcnt * 2); splcntr = dz->iparray[partialcnt * 3]; splordr = dz->iparray[(partialcnt * 3) + 1]; swpos = dz->iparray[(partialcnt * 3) + 2]; strmsrc = dz->iparray[(partialcnt * 3) + 3]; if(dz->mode == 1 || dz->mode == 2) itabptr = dz->iparray[(partialcnt * 3) + 4]; if(dz->mode == 2) special_onoff2 = dz->iparray[(partialcnt * 4) + 6]; for(n=0;n < partialcnt;n++) { onoff[n][0] = S_OFF;// all partials initially flagged off lmost[n][0] = 0; // all leftmost-outchan initially set to left - SAFETY origspl[n][0] = 0; // all original-settings of splice-counters to zero splcntr[n] = 0; // all splicecounters initially set to zero - SAFETY llev[n][0] = 0.0; // all partial gains initially set to zero - SAFETY rlev[n][0] = 0.0; } n = 0; k = 0; while(n < partialcnt) { strmsrc[n] = k; if(++k >= dz->infilecnt) k = 0; n++; } switch(dz->mode) { case(1): // Set delays between parallel streams k = partialcnt/dz->infilecnt; for(n=0;n < dz->infilecnt;n++) { // Where more than 1 use of a file sublen = dz->iparam[NTEX_DEL]; for(m=0;m < k; m++) { itabptr[n + (m * dz->infilecnt)] = sublen * m; // Set delays between read-ptrs in identical streams itabptr[n + (m * dz->infilecnt)] += (int)floor(drand48() * sublen/2); // Randomise delays somewhat itabptr[n + (m * dz->infilecnt)] = itabptr[n + (m * dz->infilecnt)] % dz->insams[strmsrc[n]]; } } break; case(2): grain = (int)round(NTEX_GRAIN * srate); lastloc = dz->iparray[(partialcnt*3)+5]; loc = dz->iparray + (partialcnt*3)+6; if((exit_status = read_values_from_all_existing_brktables(time,dz))<0) return exit_status; dz->iparam[NTEX_AMB] = (int)round(dz->param[NTEX_AMB] * srate); dz->iparam[NTEX_LOC] = (int)round(dz->param[NTEX_LOC] * srate); dz->iparam[NTEX_GST] = (int)round(dz->param[NTEX_GST] * srate); for(n=0;n < partialcnt;n++) { loc[n][0] = dz->iparam[NTEX_LOC]; for(m=1;m < maxsteps;m++) loc[n][m] = 0; special_onoff2[n] = 0; } here = dz->iparam[NTEX_LOC]; break; } fprintf(stdout,"INFO: Reading input sound.\n"); fflush(stdout); for(n=0;ninfilecnt;n++) { if((samps_read = fgetfbufEx(dz->sampbuf[n], dz->insams[n],dz->ifd[n],0))<0) { sprintf(errstr,"Sound read error with input soundfile %d: %s\n",n+1,sferrstr()); return(SYSTEM_ERROR); } } nexttime = 0.0; // initialise "nexttime" to trigger 1st setting of partials steptimes[0] = nexttime;// initial steptime set to zero stepcnt = 0; fprintf(stdout,"INFO: First pass: assessing level.\n"); fflush(stdout); memset((char *)obuf,0,dz->buflen * sizeof(float)); while(total_samps_synthed < totaloutsamps) { time = (double)(total_samps_synthed/chans)/srate; if((exit_status = read_values_from_all_existing_brktables(time,dz))<0) return exit_status; if(dz->mode == 2) { dz->iparam[NTEX_AMB] = (int)round(dz->param[NTEX_AMB] * srate); dz->iparam[NTEX_LOC] = (int)round(dz->param[NTEX_LOC] * srate); dz->iparam[NTEX_GST] = (int)round(dz->param[NTEX_GST] * srate); } if(time >= steptimes[stepcnt]) { // If we've reached the next partials-change time if(sloom && ((stepcnt % 200) == 0)) { fprintf(stdout,"INFO: at %.1lf secs\n",time); fflush(stdout); } if(spacetyp > 0) { if(configcnt == 0) rndintperm(superperm,configno); if(++configcnt >= configno) configcnt = 0; } thisstep = (drand48() * 2.0) - 1.0; // -1 to 1 thisstep *= dz->param[NTEX_RATE]/2.0; // -(1/2) rate to +(1/2) rate thisstep += dz->param[NTEX_RATE]; // (1/2) rate to 1+(1/2) rate nexttime = time + thisstep; if(time == 0.0 && dz->mode >= 2) { for(n=0;n < partialcnt;n++) { here = dz->iparam[NTEX_LOC]; thisdur = (int)round(nexttime * srate); sndlen = dz->insams[strmsrc[n]]; lastloc = loc[n]; get_drunkpos(&here,thisdur,sndlen,grain,n,lastloc,stepcnt,dz); loc[n][stepcnt] = here; itabptr[n] = loc[n][stepcnt]; } } stepcnt++; if(spacetyp == SB_ROTATE) posstep = thisstep * dz->param[NTEX_RSPEED] * chans; if(stepcnt >= maxsteps - 1) { // If we run out of memory (as steps have random length) despite safety margin terminate = 1; // Force all partials to turn off, and terminate at end of fade totaloutsamps = total_samps_synthed + (splen * chans); } steptimes[stepcnt] = nexttime; // Find current value of all partials, + sort to ascending order if(dz->mode == 0) { get_current_partial_vals(time,pvals,total_partialcnt,dz); sort_partials_into_ascending_frq_order(total_partialcnt,pvals,tabptr,llev,rlev,onoff,lmost,origspl,splordr,strmsrc,dz); } // FIND THE RANGE OF PARTIALS WHICH CAN BE USED if(terminate) { // TURN EVERYTHING OFF!! for(n=0;nmode) { case(0): rangetop = dz->param[NTEX_MAX] * dz->scalefact; for(n = 0;n= rangetop) // Find max partial we can use break; } max_partials_cnt = n+1; // Max range of partials-and-transpositions we might use max_partials_cnt = min(max_partials_cnt,total_partialcnt); // FAILSAFE !! break; case(1): case(2): rangetop = dz->param[NTEX_MAX]; max_partials_cnt = (int)ceil(rangetop) * dz->infilecnt; break; } // P-and-ts we'll actually use at this moment (random) if(dz->iparam[NTEX_NUM] > 0) partials_in_play = min(dz->iparam[NTEX_NUM],max_partials_cnt); else partials_in_play = (int)floor(drand48() * (double)max_partials_cnt) + 1; // If Jump flag set, do spatialisation for ALL partials FIRST special_onoff = 0; if(dz->vflag[NTX_JUMP]) { if(dz->iparam[NTEX_EFROM] && (time < dz->param[NTEX_ETIME])) pos = emergepos(dz->iparam[NTEX_EFROM],chans,time,dz->param[NTEX_ETIME]); else if(dz->iparam[NTEX_CTO] && (time > dz->param[NTEX_CTIME])) pos = convergepos(dz->iparam[NTEX_CTO],chans,time,dz->param[NTEX_CTIME],dz->param[NTEX_DUR]); else pos = chans * drand48(); jlmost = (int)floor(pos); pos -= (double)jlmost; pos = (pos * 2.0) - 1.0; pancalc(pos,&leftgain,&rightgain); } else if(spacetyp > 0) { spacebox(&pos,&switchpos,posstep,chans,spacetyp,configno,configcnt,superperm); position[stepcnt] = pos; swpos[stepcnt] = switchpos; if((position[stepcnt] != position[stepcnt-1]) || (swpos[stepcnt] != swpos[stepcnt-1])) special_onoff = 1; // Where partial changes position, will need to fade-out then refade-in } // Randomly-> CHOOSE PARTIALS ON or OFF, ESTABLISH RELATIVE LEVEL, SET SPATIAL POSITION (if flagged) switch(dz->mode) { case(0): case(1): if(partials_in_play == max_partials_cnt) { // If partials fill available range for(n=0;nvflag[NTX_JUMP]) { // If Jump flag in use, leftmost chan and levels already set lmost[n][stepcnt] = jlmost; rlev[n][stepcnt] = llev[n][stepcnt] * rightgain; llev[n][stepcnt] *= leftgain; } else { // Else create position for each individual partial if(dz->iparam[NTEX_EFROM] && (time < dz->param[NTEX_ETIME])) pos = emergepos(dz->iparam[NTEX_EFROM],chans,time,dz->param[NTEX_ETIME]); else if(dz->iparam[NTEX_CTO] && (time > dz->param[NTEX_CTIME])) pos = convergepos(dz->iparam[NTEX_CTO],chans,time,dz->param[NTEX_CTIME],dz->param[NTEX_DUR]); else pos = chans * drand48();// Create spatial position at random (range 0 - chans) lmost[n][stepcnt] = (int)floor(pos); // Find leftmost lspkr pos -= (double)lmost[n][stepcnt]; // Range 0-1 pos = (pos * 2.0) - 1.0; // Range (-1 to 1) pancalc(pos,&leftgain,&rightgain); // Calc relative levels of left and right signals rlev[n][stepcnt] = llev[n][stepcnt] * rightgain; llev[n][stepcnt] *= leftgain; // Readjust output levels } } else { lmost[n][stepcnt] = lmost[n][stepcnt-1]; rlev[n][stepcnt] = 0.0; } } else { // Else, already on llev[n][stepcnt] = llev[n][stepcnt-1]; // Retain previous level(s) lmost[n][stepcnt] = lmost[n][stepcnt-1]; rlev[n][stepcnt] = rlev[n][stepcnt-1]; if(special_onoff) { splcntr[n] = splen * 2; origspl[n][stepcnt] = splen * 2; } else { origspl[n][stepcnt] = 0; splcntr[n] = 0; // SAFETY } } } while(n < total_partialcnt) { // For all remaining (unused) partials onoff[n][stepcnt] = S_OFF; if(onoff[n][stepcnt-1] == S_ON) { // If partial was on origspl[n][stepcnt] = splen; // Mark it as fading out splcntr[n] = splen; // Set splice-counter to count down to zero llev[n][stepcnt] = llev[n][stepcnt-1]; lmost[n][stepcnt] = lmost[n][stepcnt-1]; rlev[n][stepcnt] = rlev[n][stepcnt-1]; } else { // Else it was previously off origspl[n][stepcnt] = 0; splcntr[n] = 0; // SAFETY origspl[n][stepcnt] = 0; lmost[n][stepcnt] = lmost[n][stepcnt-1]; } n++; } } else { rndintperm(perm,max_partials_cnt); // Randomly permute all possible transposs if(dz->vflag[NTX_X]) // If Exclusive, Force currently OFF-partials to top of list xclusive(perm,permon,permoff,max_partials_cnt,partials_in_play,onoff,stepcnt); for(n=0;nvflag[NTX_JUMP]) { // If Jump flag in use, leftmost chan and levels already set lmost[n][stepcnt] = jlmost; rlev[n][stepcnt] = llev[n][stepcnt] * rightgain; llev[n][stepcnt] *= leftgain; } else { // Else create position for each individual partial if(dz->iparam[NTEX_EFROM] && (time < dz->param[NTEX_ETIME])) pos = emergepos(dz->iparam[NTEX_EFROM],chans,time,dz->param[NTEX_ETIME]); else if(dz->iparam[NTEX_CTO] && (time > dz->param[NTEX_CTIME])) pos = convergepos(dz->iparam[NTEX_CTO],chans,time,dz->param[NTEX_CTIME],dz->param[NTEX_DUR]); else pos = chans * drand48(); lmost[n][stepcnt] = (int)floor(pos); pos -= (double)lmost[n][stepcnt]; pos = (pos * 2.0) - 1.0; pancalc(pos,&leftgain,&rightgain); rlev[n][stepcnt] = llev[n][stepcnt] * rightgain; llev[n][stepcnt] *= leftgain; } } else { rlev[n][stepcnt] = 0.0; lmost[n][stepcnt] = lmost[n][stepcnt-1]; } } } else { // Marked as OFF if(onoff[n][stepcnt-1] == S_ON) { origspl[n][stepcnt] = splen; // Partial is switched off splcntr[n] = splen; // Set up dnsplice, retaining previous level llev[n][stepcnt] = llev[n][stepcnt-1]; lmost[n][stepcnt] = lmost[n][stepcnt-1]; rlev[n][stepcnt] = rlev[n][stepcnt-1]; } else if(onoff[n][stepcnt-1] == S_OFF) { origspl[n][stepcnt] = 0; // Partial already OFF splcntr[n] = 0; // SAFETY lmost[n][stepcnt] = lmost[n][stepcnt-1]; } } } } break; case(2): rndintperm(perm,max_partials_cnt); // Randomly permute all possible transposs if(dz->vflag[NTX_X]) // If Exclusive, Force currently OFF-partials to top of list xclusive(perm,permon,permoff,max_partials_cnt,partials_in_play,onoff,stepcnt); for(n=0;nvflag[NTX_JUMP]) { // If Jump flag in use, leftmost chan and levels already set lmost[n][stepcnt] = jlmost; rlev[n][stepcnt] = llev[n][stepcnt] * rightgain; llev[n][stepcnt] *= leftgain; } else { // Else create position for each individual partial if(dz->iparam[NTEX_EFROM] && (time < dz->param[NTEX_ETIME])) pos = emergepos(dz->iparam[NTEX_EFROM],chans,time,dz->param[NTEX_ETIME]); else if(dz->iparam[NTEX_CTO] && (time > dz->param[NTEX_CTIME])) pos = convergepos(dz->iparam[NTEX_CTO],chans,time,dz->param[NTEX_CTIME],dz->param[NTEX_DUR]); else pos = chans * drand48(); lmost[n][stepcnt] = (int)floor(pos); pos -= (double)lmost[n][stepcnt]; pos = (pos * 2.0) - 1.0; pancalc(pos,&leftgain,&rightgain); rlev[n][stepcnt] = llev[n][stepcnt] * rightgain; llev[n][stepcnt] *= leftgain; } } else { rlev[n][stepcnt] = 0.0; lmost[n][stepcnt] = lmost[n][stepcnt-1]; } } } else { // Marked as OFF if(onoff[n][stepcnt-1] == S_ON) { origspl[n][stepcnt] = splen; // Partial is switched off splcntr[n] = splen; // Set up dnsplice, retaining previous level llev[n][stepcnt] = llev[n][stepcnt-1]; lmost[n][stepcnt] = lmost[n][stepcnt-1]; rlev[n][stepcnt] = rlev[n][stepcnt-1]; } else if(onoff[n][stepcnt-1] == S_OFF) { origspl[n][stepcnt] = 0; // Partial already OFF splcntr[n] = 0; // SAFETY lmost[n][stepcnt] = lmost[n][stepcnt-1]; } } } break; } } } // USING THE ON/OFF, RELATIVE LEVEL, SPLICING, AND SPATIALISATION INFO, WRITE VARIOUS PARTIALS base_sampcnt = sampcnt; for(n=0;nmode) { case(0): loindex = (int)floor(tabptr[n]); // Read from srctable, using partial-increment hiindex = loindex + 1; if(hiindex >= dz->insams[0]) hiindex -= dz->insams[0]; loval = ibuf[0][loindex]; hival = ibuf[0][hiindex]; valdiff = hival - loval; timefrac = tabptr[n] - (double)loindex; val = loval + (valdiff * timefrac); // level = read_level(n,time,dz); // Read corresponding level break; case(1): case(2): val = ibuf[strmsrc[n]][itabptr[n]]; // level = 1.0; break; } indownsplice = 0; if(splcntr[n] > 0) { // Get any splice contribution if(splcntr[n] > splen) { // This indicates an OFF/ON splice if(dz->mode == 2 && splcntr[n] == 2 * splen) special_onoff2[n] = 1; localspliceval = (double)(splcntr[n] - splen)/(double)splen; indownsplice = 1; // Down-splice } else { if(dz->mode == 2 && splcntr[n] == splen && special_onoff2[n]) special_onoff2[n] = 0; if(dz->mode == 2 && splcntr[n] == splen) { // If we're JUST in an on splice ... only now get new levels and locus llev[n][stepcnt] = (drand48() * 0.5) + 0.5; // Set new (rand)level if(spacetyp == 0) { if(dz->vflag[NTX_JUMP]) { // If Jump flag in use, leftmost chan and levels already set lmost[n][stepcnt] = jlmost; rlev[n][stepcnt] = llev[n][stepcnt] * rightgain; llev[n][stepcnt] *= leftgain; } else { // Else create position for each individual partial if(dz->iparam[NTEX_EFROM] && (time < dz->param[NTEX_ETIME])) pos = emergepos(dz->iparam[NTEX_EFROM],chans,time,dz->param[NTEX_ETIME]); else if(dz->iparam[NTEX_CTO] && (time > dz->param[NTEX_CTIME])) pos = convergepos(dz->iparam[NTEX_CTO],chans,time,dz->param[NTEX_CTIME],dz->param[NTEX_DUR]); else pos = chans * drand48(); lmost[n][stepcnt] = (int)floor(pos); pos -= (double)lmost[n][stepcnt]; pos = (pos * 2.0) - 1.0; pancalc(pos,&leftgain,&rightgain); rlev[n][stepcnt] = llev[n][stepcnt] * rightgain; llev[n][stepcnt] *= leftgain; } } else { rlev[n][stepcnt] = 0.0; lmost[n][stepcnt] = lmost[n][stepcnt-1]; } here = dz->iparam[NTEX_LOC]; thisdur = (int)round(steptimes[stepcnt] - steptimes[stepcnt-1]); sndlen = dz->insams[strmsrc[n]]; lastloc[n] = loc[n][stepcnt-1]; get_drunkpos(&here,thisdur,sndlen,grain,n,lastloc,stepcnt,dz); loc[n][stepcnt] = here; itabptr[n] = loc[n][stepcnt]; } indownsplice = 0; // Up-splice localspliceval = (double)(splen - splcntr[n])/(double)splen; } val *= localspliceval; // Upfade, splcntr falling, splen-splcntr rising splcntr[n]--; // Advance splicecnt towards zero } else if(dz->mode == 2) special_onoff2[n] = 0; if(spacetyp > 0) { if(indownsplice) { pos = position[stepcnt-1]; switchpos = swpos[stepcnt-1]; spacebox_apply(pos,llev[n][stepcnt-1],chans,&l_most,&r_most,&valr,&vall,spacetyp); } else { pos = position[stepcnt]; switchpos = swpos[stepcnt]; spacebox_apply(pos,llev[n][stepcnt],chans,&l_most,&r_most,&valr,&vall,spacetyp); } valr = val * valr; val = val * vall; } else { // If spatialisation, get spatial contributions valr = val * rlev[n][stepcnt]; val *= llev[n][stepcnt]; } if(spacetyp > 0) { output_special_spatialisation_sample(obuf,sampcnt,switchpos,chans,val,valr,l_most,r_most,spacetyp); sampcnt += chans; } else { rmost = (lmost[n][stepcnt] + 1) % chans; for(k = 0;k< chans;k++) { if(k == lmost[n][stepcnt]) // Add output only to the 2 relevant channels obuf[sampcnt] = (float)(obuf[sampcnt] + val); else if(k == rmost) obuf[sampcnt] = (float)(obuf[sampcnt] + valr); sampcnt++; } } } else { // Partial is OFF if(splcntr[n] > 0) { // BUT IF its still a fade-out, Get any splice contribution switch(dz->mode) { case(0): loindex = (int)floor(tabptr[n]); // Read from srctable, using partial-increment hiindex = loindex + 1; if(hiindex >= dz->insams[0]) hiindex -= dz->insams[0]; loval = ibuf[0][loindex]; hival = ibuf[0][hiindex]; valdiff = hival - loval; timefrac = tabptr[n] - (double)loindex; val = loval + (valdiff * timefrac); // level = read_level(n,time,dz); // Read corresponding level break; case(1): case(2): val = ibuf[strmsrc[n]][itabptr[n]]; // level = 1.0; break; } localspliceval = (double)splcntr[n]/(double)splen; // Downfade, splcntr falling val *= localspliceval; splcntr[n]--; // Advance splicecnt towards zero if(spacetyp > 0) { pos = position[stepcnt-1]; switchpos = swpos[stepcnt-1]; spacebox_apply(pos,llev[n][stepcnt-1],chans,&l_most,&r_most,&valr,&vall,spacetyp); valr = val * valr; val = val * vall; } else { valr = val * rlev[n][stepcnt]; val *= llev[n][stepcnt]; } if(spacetyp > 0) { output_special_spatialisation_sample(obuf,sampcnt,switchpos,chans,val,valr,l_most,r_most,spacetyp); sampcnt += chans; } else { rmost = (lmost[n][stepcnt] + 1) % chans; for(k = 0;k < chans;k++) { if(k == lmost[n][stepcnt]) obuf[sampcnt] = (float)(obuf[sampcnt] + val); else if(k == rmost) obuf[sampcnt] = (float)(obuf[sampcnt] + valr); sampcnt++; } } } } if(dz->mode == 0) incr_tabptr(n,time,transval[n],strmsrc[n],dz); else if(++(itabptr[n]) >= dz->insams[strmsrc[n]]) itabptr[n] -= dz->insams[strmsrc[n]]; } if(instartsplice) { // Do big splice at start of output sampcnt = base_sampcnt; for(k = 0;k < chans;k++) { obuf[sampcnt] = (float)(obuf[sampcnt] * spliceval); sampcnt++; } spliceval += spliceincr; spliceval = min(spliceval,1.0); } else if(inendsplice) { // Do big splice at end of output sampcnt = base_sampcnt; for(k = 0;k < chans;k++) { obuf[sampcnt] = (float)(obuf[sampcnt] * spliceval); sampcnt++; } spliceval -= spliceincr; spliceval = max(spliceval,0.0); } sampcnt = base_sampcnt; // Find maxval over all channels for(k = 0;k< chans;k++) { maxval = max(maxval,fabs(obuf[sampcnt])); sampcnt++; } if(sampcnt >= dz->buflen) { // Check if buffer full - refresh memset((char *)obuf,0,dz->buflen * sizeof(float)); sampcnt = 0; } total_samps_synthed += chans; // Find out if (still) in startsplice or endsplice if(!inendsplice && (total_samps_synthed >= endsplicestart)) { inendsplice = 1; spliceval = 1.0; } if(instartsplice && (total_samps_synthed >= startspliceend)) instartsplice = 0; } if(sloom) { fprintf(stdout,"INFO: at %.1lf secs\n",time); fflush(stdout); } normaliser = 0.85/maxval; time = 0.0; spliceval = 0.0; instartsplice = 1; inendsplice = 0; total_samps_synthed = 0; sampcnt = 0; for(n=0;nitemcnt;n++) // Zero sine-table pointers for all partials tabptr[n] = 0.0; for(n=0;n < partialcnt;n++) { onoff[n][0] = S_OFF;// all partials initially flagged off lmost[n][0] = 0; // all leftmost-outchan initially set to left - SAFETY origspl[n][0] = 0; // all original-settings of splice-counters to zero splcntr[n] = 0; // all splicecounters initially set to zero - SAFETY llev[n][0] = 0.0; // all partial gains initially set to zero - SAFETY rlev[n][0] = 0.0; } if(dz->mode == 1) { k = partialcnt/dz->infilecnt; for(n=0;n < dz->infilecnt;n++) { // Reinitialise pointers for(m=0;m < k; m++) { itabptr[n + (m * dz->infilecnt)] = sublen * m; // Set delays between read-ptrs in identical streams itabptr[n + (m * dz->infilecnt)] += (int)floor(drand48() * sublen/2); // Randomise delays somewhat itabptr[n + (m * dz->infilecnt)] = itabptr[n + (m * dz->infilecnt)] % dz->insams[strmsrc[n]]; } } } stepcnt = 0; terminate = 0; if(dz->mode == 0) resort_partials_into_original_frq_order(total_partialcnt,pvals,tabptr,llev,rlev,onoff,lmost,origspl,splordr,strmsrc,dz); if(dz->mode >= 2) { for(n=0;n < partialcnt;n++) itabptr[n] = loc[n][stepcnt]; } if(sloom) // Forces correct read-out of time-bar dz->tempsize = dz->iparam[SYNTH_DUR] * chans; fprintf(stdout,"INFO: Second pass: synthesis.\n"); fflush(stdout); memset((char *)obuf,0,dz->buflen * sizeof(float)); while(total_samps_synthed < totaloutsamps) { time = (double)(total_samps_synthed/chans)/srate; if((exit_status = read_values_from_all_existing_brktables(time,dz))<0) return exit_status; if(dz->mode == 2) { dz->iparam[NTEX_AMB] = (int)round(dz->param[NTEX_AMB] * srate); dz->iparam[NTEX_LOC] = (int)round(dz->param[NTEX_LOC] * srate); dz->iparam[NTEX_GST] = (int)round(dz->param[NTEX_GST] * srate); } if(time >= steptimes[stepcnt]) { // If we've reached the next partials-change time stepcnt++; // Advance to next vals if(dz->mode == 0) { get_current_partial_vals(time,pvals,total_partialcnt,dz); sort_partials_into_ascending_frq_order(total_partialcnt,pvals,tabptr,llev,rlev,onoff,lmost,origspl,splordr,strmsrc,dz); } for(n=0;nmode) { case(0): loindex = (int)floor(tabptr[n]); // Read from srctable, using partial-increment hiindex = loindex + 1; if(hiindex >= dz->insams[0]) hiindex -= dz->insams[0]; loval = ibuf[0][loindex]; hival = ibuf[0][hiindex]; valdiff = hival - loval; timefrac = tabptr[n] - (double)loindex; val = loval + (valdiff * timefrac); // level = read_level(n,time,dz); // Read corresponding level break; case(1): case(2): val = ibuf[strmsrc[n]][itabptr[n]]; // level = 1.0; break; } indownsplice = 0; if(splcntr[n] > 0) { // Get any splice contribution if(splcntr[n] > splen) { // This indicates an OFF/ON splice if(dz->mode == 2 && splcntr[n] == 2 * splen) special_onoff2[n] = 1; // In mode 2, stick to previous values for lev,pos and loc, until dnsplice done localspliceval = (double)(splcntr[n] - splen)/(double)splen; indownsplice = 1; // Down-splice } else { if(dz->mode == 2 && splcntr[n] == splen) { special_onoff2[n] = 0; itabptr[n] = loc[n][stepcnt]; // Only at start of upsplice, for Modes2 and 3, set new itabptr } localspliceval = (double)(splen - splcntr[n])/(double)splen; indownsplice = 0; // Up-splice } val *= localspliceval; // Upfade, splcntr falling, splen-splcntr rising splcntr[n]--; // Advance splicecnt towards zero } else if(dz->mode == 2) special_onoff2[n] = 0; if(spacetyp > 0) { if(indownsplice) { pos = position[stepcnt-1]; switchpos = swpos[stepcnt-1]; spacebox_apply(pos,llev[n][stepcnt-1],chans,&l_most,&r_most,&valr,&vall,spacetyp); } else { pos = position[stepcnt]; switchpos = swpos[stepcnt]; spacebox_apply(pos,llev[n][stepcnt],chans,&l_most,&r_most,&valr,&vall,spacetyp); } valr = val * valr; val = val * vall; } else { // If spatialisation, get spatial contributions if(dz->mode == 2 && special_onoff2[n]) { valr = val * rlev[n][stepcnt-1]; // The level has been changed, but this only takes effect val = val * llev[n][stepcnt-1]; // after the downsplice part of the off/on splice } else { valr = val * rlev[n][stepcnt]; val = val * llev[n][stepcnt]; } } if(spacetyp > 0) { output_special_spatialisation_sample(obuf,sampcnt,switchpos,chans,val,valr,l_most,r_most,spacetyp); sampcnt += chans; } else { if(dz->mode == 2 && special_onoff2[n]) { rmost = (lmost[n][stepcnt-1] + 1) % chans; // The position has been changed, but this only takes effect llmst = lmost[n][stepcnt-1]; // after the downsplice part of the off/on splice } else { rmost = (lmost[n][stepcnt] + 1) % chans; llmst = lmost[n][stepcnt]; } for(k = 0;k< chans;k++) { if(k == llmst) // Add output only to the 2 relevant channels obuf[sampcnt] = (float)(obuf[sampcnt] + val); else if(k == rmost) obuf[sampcnt] = (float)(obuf[sampcnt] + valr); sampcnt++; } } } else { // Partial is OFF if(splcntr[n] > 0) { // BUT IF its still a fade-out, Get any splice contribution if(dz->mode == 0) { loindex = (int)floor(tabptr[n]); // Read from srctable, using partial-increment hiindex = loindex + 1; if(hiindex >= dz->insams[0]) hiindex -= dz->insams[0]; loval = ibuf[0][loindex]; hival = ibuf[0][hiindex]; valdiff = hival - loval; timefrac = tabptr[n] - (double)loindex; val = loval + (valdiff * timefrac); // level = read_level(n,time,dz); // Read corresponding level } else { val = ibuf[strmsrc[n]][itabptr[n]]; // level = 1.0; } localspliceval = (double)splcntr[n]/(double)splen; // Downfade, splcntr falling val *= localspliceval; splcntr[n]--; // Advance splicecnt towards zero if(spacetyp > 0) { pos = position[stepcnt-1]; switchpos = swpos[stepcnt-1]; spacebox_apply(pos,llev[n][stepcnt-1],chans,&l_most,&r_most,&valr,&vall,spacetyp); valr = val * valr; val = val * vall; } else { // If spatialisation, get spatial contributions valr = val * rlev[n][stepcnt-1]; val = val * llev[n][stepcnt-1]; } if(spacetyp > 0) { output_special_spatialisation_sample(obuf,sampcnt,switchpos,chans,val,valr,l_most,r_most,spacetyp); sampcnt += chans; } else { rmost = (lmost[n][stepcnt-1] + 1) % chans; for(k = 0;k < chans;k++) { if(k == lmost[n][stepcnt-1]) obuf[sampcnt] = (float)(obuf[sampcnt] + val); else if(k == rmost) obuf[sampcnt] = (float)(obuf[sampcnt] + valr); sampcnt++; } } } } if(dz->mode == 0) incr_tabptr(n,time,transval[n],strmsrc[n],dz); // Track (modify if ness) the partial-incr value for this partial else if(++(itabptr[n]) >= dz->insams[strmsrc[n]]) itabptr[n] -= dz->insams[strmsrc[n]]; } if(instartsplice) { // Do big splice at start of output sampcnt = base_sampcnt; for(k = 0;k < chans;k++) { obuf[sampcnt] = (float)(obuf[sampcnt] * spliceval); sampcnt++; } spliceval += spliceincr; spliceval = min(spliceval,1.0); } else if(inendsplice) { // Do big splice at end of output sampcnt = base_sampcnt; for(k = 0;k < chans;k++) { obuf[sampcnt] = (float)(obuf[sampcnt] * spliceval); sampcnt++; } spliceval -= spliceincr; spliceval = max(spliceval,0.0); } sampcnt = base_sampcnt; // Normalise output for(k = 0;k < chans;k++) { obuf[sampcnt] = (float)(obuf[sampcnt] * normaliser); sampcnt++; } if(sampcnt >= dz->buflen) { // Check if buffer full - write_samps and refresh if((exit_status = write_samps(obuf,sampcnt,dz))<0) return(exit_status); memset((char *)obuf,0,dz->buflen * sizeof(float)); sampcnt = 0; } total_samps_synthed += chans; // Find out if (still) in startsplice or endsplice if(!inendsplice && (total_samps_synthed >= endsplicestart)) { inendsplice = 1; spliceval = 1.0; } if(instartsplice && (total_samps_synthed >= startspliceend)) instartsplice = 0; } if(sampcnt) { if((exit_status = write_samps(obuf,sampcnt,dz))<0) return(exit_status); } return FINISHED; } /**************************** INCR_TABPTR ****************************/ void incr_tabptr(int n,double time,double *transval,int strmsrc,dataptr dz) { int m; double hival, loval, hitime, lotime, timediff, timefrac, valdiff, transposval; double *tabptr = dz->parray[0]; m = 0; while(transval[m] < time) { m += 2; if(m >= dz->ringsize) break; } if(m==0) transposval = transval[1]; else if(m < dz->ringsize) { hival = transval[m+1]; loval = transval[m-1]; hitime = transval[m]; lotime = transval[m-2]; timediff = hitime - lotime; timefrac = (time - lotime)/timediff; valdiff = hival - loval; transposval = loval + (valdiff * timefrac); } else transposval = transval[dz->ringsize-1]; // Convert transpos numbers to table-increments tabptr[n] += transposval; // In this case we're using transposition values as multipliers of src table while(tabptr[n] >= dz->insams[strmsrc]) // And the entire file is in the buffer tabptr[n] -= dz->insams[strmsrc]; } /**************************** GET_CURRENT_PARTIAL_VALS ****************************/ void get_current_partial_vals(double time,double *pvals,int partialcnt,dataptr dz) { int m, n; double hival, loval, hitime, lotime, timediff, timefrac, valdiff, partialval; double *thispartial; for(n = 0;n < partialcnt;n++ ) { thispartial = dz->parray[dz->temp_sampsize + n]; m = 0; while(thispartial[m] < time) { m += 2; if(m >= dz->ringsize) break; } if(m==0) partialval = thispartial[1]; else if(m < dz->ringsize) { hival = thispartial[m+1]; loval = thispartial[m-1]; hitime = thispartial[m]; lotime = thispartial[m-2]; timediff = hitime - lotime; timefrac = (time - lotime)/timediff; valdiff = hival - loval; partialval = loval + (valdiff * timefrac); } else partialval = thispartial[dz->ringsize-1]; pvals[n] = partialval; } } /**************************** READ_LEVEL ****************************/ #if 0 //UNUSED double read_level(int n,double time,dataptr dz) { int m; double hival, loval, hitime, lotime, timediff, timefrac, valdiff, level; double *thislevel = dz->parray[dz->temp_sampsize + dz->itemcnt + n]; // dz->temp_sampsize is base of transposs info m = 0; // itemcnt = len of transposs brkpnt info while(thislevel[m] < time) { m += 2; if(m >= dz->ringsize) break; } if(m==0) { level = thislevel[1]; } else if(m < dz->ringsize) { hival = thislevel[m+1]; loval = thislevel[m-1]; hitime = thislevel[m]; lotime = thislevel[m-2]; timediff = hitime - lotime; timefrac = (time - lotime)/timediff; valdiff = hival - loval; level = loval + (valdiff * timefrac); } else { level = thislevel[dz->ringsize-1]; } return level; } #endif /**************************** HANDLE_THE_SPECIAL_DATA ****************************/ int handle_the_special_data(char *str,dataptr dz) { int exit_status, imaxtrans; double dummy = 0.0, lasttime = 0.0, lastpartial = 1.0, maxval = 0.0, normaliser, maxtrans; int entrycnt = 0, partialcnt, n, timepos, valpos, pno_cnt = 0, lev_cnt = 0; int zz, nupno_cnt = 0, nulev_cnt,lstart, pstart, m, k, nn, mm; double *sortptr; int totalpartials = 0, tablecnt, lno_cnt; FILE *fp; int cnt, linecnt; char temp[200], *p; if((fp = fopen(str,"r"))==NULL) { sprintf(errstr,"Cannot open file %s to read times.\n",str); return(DATA_ERROR); } linecnt = 0; while(fgets(temp,200,fp)!=NULL) { p = temp; while(isspace(*p)) p++; if(*p == ';' || *p == ENDOFSTR) // Allow comments in file continue; cnt = 0; while(get_float_from_within_string(&p,&dummy)) { switch(cnt) { case(0): if(linecnt == 0) { if(dummy != 0) { sprintf(errstr,"First time in transpositions data (%lf) must be zero.\n",dummy); return(DATA_ERROR); } else lasttime = dummy; } else { if(dummy <= lasttime) { sprintf(errstr,"Times do not advance at line %d in transpositions data.\n",linecnt+1); return(DATA_ERROR); } } break; default: if(ODD(cnt)) { // ODD entries, partial numbers if(dummy < 1.0) { sprintf(errstr,"Invalid transpositions (%lf) (less than 1) on line %d.\n",dummy,linecnt+1); return(DATA_ERROR); } if(cnt == 1) { if(dz->mode == 0 && dummy < 1.0) { sprintf(errstr,"Invalid transposition (%lf) (must be >=1)\n",dummy); return(DATA_ERROR); } lastpartial = dummy; } else { if(dummy <= lastpartial) { sprintf(errstr,"Transpositions numbers do not increase through line %d.\n",linecnt+1); return(DATA_ERROR); } lastpartial = dummy; } } else // EVEN values are levels, which can be -ve (inverted phase) maxval = max(maxval,fabs(dummy)); break; } cnt++; } if(cnt < 3 || EVEN(cnt)) { sprintf(errstr,"Invalid number of entries (%d) on line %d\n",cnt,linecnt+1); return(DATA_ERROR); } if(linecnt == 0) entrycnt = cnt; else if(cnt != entrycnt) { sprintf(errstr,"Line %d has different number of entries (%d) to previous lines which have (%d)\n",linecnt+1,cnt,entrycnt); return(DATA_ERROR); } linecnt++; } if(linecnt == 0) { sprintf(errstr,"No data found in transpositions data file.\n"); return(DATA_ERROR); } if(flteq(maxval,0.0)) { sprintf(errstr,"No significant level found in transpositions data file.\n"); return(DATA_ERROR); } normaliser = 1.0/maxval; partialcnt = (entrycnt - 1)/2; /* * MODE 0 arrays | | * pcnt = partialcnt mpcnt = maxpartialcnt positions * (partials+all transpositions) | | | * | | current * tabptrs frqs| * parray |-|-----------------|---------------|-|-|-|----------|----------| * | | left_level | right-level step| | transpos | level | * | | mpcnt | mpcnt times | mpcnt | mpcnt | * | | | | | | | | | * | | | (mpcnt*2)+1 | | * address 0 1 (mpcnt)+1 | (mpcnt*2)+2 (mpcnt*3)+4| * | | | | | (mpcnt*2)+3 | | * | | | | | | (mpcnt*2)+4| | * | | | | | | | | * lengths | | maxsteps | maxsteps | |m| | linelen | linelen | * |t| |t|p|t|of srcdata|of srcdata| * |o| |o|c|o| | | * |t| |t|n|t| | | * |l| |l|t|l| | | * (totl = estimate of no of timesteps used) * (mpcnt = total number of streams) * (maxsteps = total number of timesteps) */ if(dz->brksize[NTEX_MAX]) { if((exit_status = get_maxvalue_in_brktable(&maxtrans,NTEX_MAX,dz))<0) return PROGRAM_ERROR; imaxtrans = (int)ceil(maxtrans); } else imaxtrans = (int)ceil(dz->param[NTEX_MAX]); totalpartials = partialcnt * imaxtrans; dz->array_cnt = (totalpartials * 2) + 1; // An array for every component-and-transposition, every candt-level, // and tab-incr-pointers dz->array_cnt += (totalpartials * 2) + 3; // An array for the left and right level of every partial-and-partial-transposition. // + Array for the steptimes, + Array for the transpostions of componenets at current-time dz->itemcnt = totalpartials; // + Array for position at every step. if((dz->parray = (double **)malloc(dz->array_cnt * sizeof(double *)))==NULL) { sprintf(errstr,"INSUFFICIENT MEMORY to create partial data arrays.\n"); return(MEMORY_ERROR); } zz = totalpartials * 2; for(n=0,m=(totalpartials*2) + 4;n < zz;n++,m++) { // 2 entries (time and value) for every line in the data. if((dz->parray[m] = (double *)malloc((linecnt * 2) * sizeof(double)))==NULL) { sprintf(errstr,"INSUFFICIENT MEMORY to store partial data.\n"); return(MEMORY_ERROR); } } fseek(fp,0,0); timepos = 0; // Pointer to time-values in all arrays valpos = 1; // Pointer to val-at-time in all arrays pstart = (totalpartials*2) + 4; // Pointer to transposition(pno) table // Pointer to transposition(pno) table // Start of level table lstart = pstart + totalpartials; while(fgets(temp,200,fp)!=NULL) { p = temp; if(*p == ';') // Allow comments in file continue; cnt = 0; while(get_float_from_within_string(&p,&dummy)) { switch(cnt) { case(0): for(m=pstart,n=0;n parray[m][timepos] = dummy; for(m = lstart,n=0;n parray[m][timepos] = dummy; pno_cnt = pstart; // Point to start of pnos, and levels lev_cnt = lstart; break; default: if(ODD(cnt)) // Put pno in appropriate pno-array dz->parray[pno_cnt++][valpos] = dummy; else // Put level in appropriate level-array dz->parray[lev_cnt++][valpos] = dummy * normaliser; break; } cnt++; } if(cnt) { timepos += 2; // Advance pointers in pno and level tables valpos +=2; } } if(fclose(fp)<0) { fprintf(stdout,"WARNING: Failed to close input textfile %s.\n",str); fflush(stdout); } dz->scalefact = dz->parray[pstart+partialcnt-1][1]; // Remember the original range : not quite correct, as range is time-variable!! tablecnt = partialcnt; // Total number of original transposition (or level) tables entrycnt = timepos; // Total number of entries in each table if(dz->param[NTEX_MAX] > 1) { // COPY ORIGINAL TRANSPOSITION AND LEVEL TABLES INTO HIGHER OCTAVES nupno_cnt = pstart + partialcnt; // Start of new partial-transpositions tables nulev_cnt = lstart + partialcnt; // Pointer to new levels tables for(n=1;nparray[nupno_cnt][k] = dz->parray[pno_cnt][k]; // At same time dz->parray[nupno_cnt][k+1] = (dz->parray[pno_cnt][k+1]) * (n+1); // Create new table, transpositions up n octs dz->parray[nulev_cnt][k] = dz->parray[lno_cnt][k]; // At same time dz->parray[nulev_cnt][k+1] = dz->parray[lno_cnt][k+1]; // Create new table with same levels } nupno_cnt++; nulev_cnt++; } } // SORT TRANSPOSITIONS INTO ASCENDING ORDER for(n = pstart, m = lstart; n < nupno_cnt-1; n++,m++) { for(nn = n+1, mm = m+1; nn < nupno_cnt;nn++, mm++) { if(dz->parray[nn][1] < dz->parray[n][1]) { // Sort of first transposition in array sortptr = dz->parray[nn]; dz->parray[nn] = dz->parray[n]; dz->parray[n] = sortptr; sortptr = dz->parray[mm]; dz->parray[mm] = dz->parray[m]; dz->parray[m] = sortptr; } } } } dz->ringsize = linecnt * 2; // Store lengths of transposition tables (1 time and 1 value entry from each dataline) return(FINISHED); } /**************************** OTHERWISE ****************************/ int otherwise(dataptr dz) { int exit_status, imaxmult; double maxmult; /* * MODE 1 arrays | | * pcnt = partialcnt mpcnt = maxpartialcnt positions * (partials+all transpositions) | | | * | | current * tabptrs frqs| * parray |-|-----------------|---------------|-|-|-| * | | left_level | right-level step| | * | | mpcnt | mpcnt times | * | | | | | | | * | | | (mpcnt*2)+1 * address 0 1 (mpcnt)+1 | (mpcnt*2)+2 * | | | | | (mpcnt*2)+3 * | | | | | | (mpcnt*2)+4 * | | | | | | * lengths | | maxsteps | maxsteps | |m| | * |t| |t|p|t| * |o| |o|c|o| * |t| |t|n|t| * |l| |l|t|l| * (mpcnt = total number of streams) * (totl = maxsteps = total number of timesteps) */ if(dz->brksize[NTEX_MAX]) { if((exit_status = get_maxvalue_in_brktable(&maxmult,NTEX_MAX,dz))<0) return PROGRAM_ERROR; imaxmult = (int)ceil(maxmult); } else imaxmult = (int)ceil(dz->param[NTEX_MAX]); dz->itemcnt = dz->infilecnt * imaxmult; // max number of streams dz->array_cnt = (dz->itemcnt * 2) + 4; if((dz->parray = (double **)malloc(dz->array_cnt * sizeof(double *)))==NULL) { sprintf(errstr,"INSUFFICIENT MEMORY to create partial data arrays.\n"); return(MEMORY_ERROR); } return(FINISHED); } /**************************** CREATE_NEWTEX_SNDBUFS ****************************/ int create_newtex_sndbufs(dataptr dz) { int n, safety = 4; unsigned int lastbigbufsize, bigbufsize = 0; float *bottom; dz->bufcnt = dz->infilecnt+1; if((dz->sampbuf = (float **)malloc(sizeof(float *) * (dz->bufcnt+1)))==NULL) { sprintf(errstr,"INSUFFICIENT MEMORY establishing sample buffers.\n"); return(MEMORY_ERROR); } if((dz->sbufptr = (float **)malloc(sizeof(float *) * dz->bufcnt))==NULL) { sprintf(errstr,"INSUFFICIENT MEMORY establishing sample buffer pointers.\n"); return(MEMORY_ERROR); } lastbigbufsize = 0; bigbufsize = 0; for(n=0;ninfilecnt;n++) { bigbufsize += (dz->insams[n] + safety) * sizeof(float); if(bigbufsize < lastbigbufsize) { sprintf(errstr,"Insufficient memory to store the input soundfiles in buffers.\n"); return(MEMORY_ERROR); } lastbigbufsize = bigbufsize; } dz->buflen = NTEX_OBUFSIZE * dz->iparam[NTEX_CHANS]; bigbufsize += (dz->buflen + (safety * dz->iparam[NTEX_CHANS])) * sizeof(float); if(bigbufsize < lastbigbufsize) { sprintf(errstr,"Insufficient memory to store the input soundfiles in buffers.\n"); return(MEMORY_ERROR); } if((dz->bigbuf = (float *)malloc(bigbufsize)) == NULL) { sprintf(errstr,"INSUFFICIENT MEMORY to create sound buffers.\n"); return(PROGRAM_ERROR); } bottom = dz->bigbuf; for(n = 0;ninfilecnt;n++) { dz->sbufptr[n] = dz->sampbuf[n] = bottom; bottom += dz->insams[n] + safety; } dz->sbufptr[n] = dz->sampbuf[n] = bottom; return(FINISHED); } /****************************** GET_THE_MODE_FROM_CMDLINE *********************************/ int get_the_mode_from_cmdline(char *str,dataptr dz) { char temp[200], *p; if(sscanf(str,"%s",temp)!=1) { fprintf(stderr,"Cannot read mode of program.\n"); return(USAGE_ONLY); } p = temp + strlen(temp) - 1; while(p >= temp) { if(!isdigit(*p)) { fprintf(stderr,"Invalid mode of program entered.\n"); return(USAGE_ONLY); } p--; } if(sscanf(str,"%d",&dz->mode)!=1) { fprintf(stderr,"Cannot read mode of program.\n"); return(USAGE_ONLY); } if(dz->mode <= 0 || dz->mode > dz->maxmode) { fprintf(stderr,"Program mode value [%d] is out of range [1 - %d].\n",dz->mode,dz->maxmode); return(USAGE_ONLY); } dz->mode--; /* CHANGE TO INTERNAL REPRESENTATION OF MODE NO */ return(FINISHED); } /*********************** RNDINTPERM ************************/ void rndintperm(int *perm,int cnt) { int n,t,k; memset((char *)perm,0,cnt * sizeof(int)); for(n=0;n0;k--) perm[k] = perm[k-1]; perm[0] = n; } else { for(k=n;k>t;k--) perm[k] = perm[k-1]; perm[t] = n; } } for(n=0;nparray[nn+partialbase]; dz->parray[nn+partialbase] = dz->parray[n+partialbase]; dz->parray[n+partialbase] = sortptr; sortptr = dz->parray[nn+levelbase]; dz->parray[nn+levelbase] = dz->parray[n+levelbase]; dz->parray[n+levelbase] = sortptr; // Shuffle associated tabptrs temp = tabptr[nn]; tabptr[nn] = tabptr[n]; tabptr[n] = temp; // Shuffle associated (left-)level pointers sortptr = llev[nn]; llev[nn] = llev[n]; llev[n] = sortptr; // Shuffle associated right-level pointers sortptr = rlev[nn]; rlev[nn] = rlev[n]; rlev[n] = sortptr; // Shuffle associated onoff flags iptr = onoff[nn]; onoff[nn] = onoff[n]; onoff[n] = iptr; // Shuffle associated lmost-spkr info iptr = lmost[nn]; lmost[nn] = lmost[n]; lmost[n] = iptr; // Shuffle associated splicectr origins iptr = origspl[nn]; origspl[nn] = origspl[n]; origspl[n] = iptr; // Swap transposs into correct order temp = pvals[nn]; pvals[nn] = pvals[n]; pvals[n] = temp; // Finally keep track of which infile associated with each outstream itemp = strmsrc[nn]; strmsrc[nn] = strmsrc[n]; strmsrc[n] = itemp; // And keep track of reordering, for 2nd pass itemp = splordr[nn]; splordr[nn] = splordr[n]; splordr[n] = itemp; } } } } /************************************ RESORT_PARTIALS_INTO_ORIGINAL_FRQ_ORDER *******************************/ void resort_partials_into_original_frq_order(int mpcnt,double *pvals,double *tabptr,double **llev,double **rlev,int **onoff,int **lmost, int **origspl,int *splordr,int *strmsrc,dataptr dz) { /* * MODE 0 arrays | | * pcnt = partialcnt mpcnt = maxpartialcnt positions * (partials+all transpositions) | | | * | | current * tabptrs frqs| * parray |-|-----------------|---------------|-|-|-|----------|----------| * | | left_level | right-level step| | transpos | level | * | | mpcnt | mpcnt times | mpcnt | mpcnt | * | | | | | | | | | * | | | (mpcnt*2)+1 | | * address 0 1 (mpcnt)+1 | (mpcnt*2)+2 (mpcnt*3)+4| * | | | | | (mpcnt*2)+3 | | * | | | | | | (mpcnt*2)+4| | * | | | | | | | | * lengths | | maxsteps | maxsteps | |m| | linelen | linelen | * |t| |t|p|t|of srcdata|of srcdata| * |o| |o|c|o| | | * |t| |t|n|t| | | * |l| |l|t|l| | | * (mpcnt = total number of streams) * (totl = maxsteps = total number of timesteps) */ double *sortptr, temp; int n, nn; int *iptr, itemp; int partialbase = (mpcnt*2)+4; int levelbase = (mpcnt*3)+4; for(n = 0; n < mpcnt-1; n++) { for(nn = n+1; nn < mpcnt;nn++) { if(splordr[nn] < splordr[n]) { // Sort on original order value // Shuffle arrays so they're in original order sortptr = dz->parray[nn+partialbase]; dz->parray[nn+partialbase] = dz->parray[n+partialbase]; dz->parray[n+partialbase] = sortptr; sortptr = dz->parray[nn+levelbase]; dz->parray[nn+levelbase] = dz->parray[n+levelbase]; dz->parray[n+levelbase] = sortptr; // Shuffle associated sinptrs temp = tabptr[nn]; tabptr[nn] = tabptr[n]; tabptr[n] = temp; // Shuffle associated (left-)level pointers sortptr = llev[nn]; llev[nn] = llev[n]; llev[n] = sortptr; // Shuffle associated right-level pointers sortptr = rlev[nn]; rlev[nn] = rlev[n]; rlev[n] = sortptr; // Shuffle associated onoff flags iptr = onoff[nn]; onoff[nn] = onoff[n]; onoff[n] = iptr; // Shuffle associated lmost-spkr info iptr = lmost[nn]; lmost[nn] = lmost[n]; lmost[n] = iptr; // Shuffle associated splicectr origins iptr = origspl[nn]; origspl[nn] = origspl[n]; origspl[n] = iptr; // Swap frqs into correct order temp = pvals[nn]; pvals[nn] = pvals[n]; pvals[n] = temp; // Finally Restore original association between infiles and outstreams itemp = strmsrc[nn]; strmsrc[nn] = strmsrc[n]; strmsrc[n] = itemp; } } } } /**************************************** XCLUSIVE ************************************** * * Resort an existing permutation (of partials chosen) * so the already ON partials occur after all the corrently-OFF partials */ void xclusive(int *perm,int *permon,int *permoff,int max_partials_cnt,int partials_in_play, int **onoff,int stepcnt) { int permoncnt = 0, permoffcnt = 0, n, ptl; if(partials_in_play == max_partials_cnt) return; for(n = 0;n < max_partials_cnt;n++) { ptl = perm[n]; if(onoff[ptl][stepcnt]) // If this partial is already ON permon[permoncnt++] = ptl; // Store the ON-partials, in order they were in initial perm else permoff[permoffcnt++] = ptl; // If this partial is OFF } // Store the OFF-partials, in order they were in initial perm for(n=0;n= chans) // Adjust for %N chans pos -= (double)chans; return pos; } /**************************************** EMERGEPOS ************************************** * * Find spatial position, where image converging to single channel from all channels */ double convergepos(int converchan,int chans,double time,double convergetime,double dur) { double frac, chanspan, pos, lmost; // Fraction of converge-time covered int ipos; converchan--; frac = (time - convergetime)/(dur - convergetime); frac = 1.0 - frac; // Amount of convergence if(frac < 0.33) chanspan = 0; else { frac = pow((frac - 0.33),2.0); chanspan = (double)chans * frac; // Fraction of total-channels available } pos = drand48() * chanspan; // Position randomly within chanspan ipos = (int)round(pos/0.1); pos = ipos * 0.1; lmost = (double)converchan - (chanspan/2.0);// Find leftmost position (relative to convergence chan) pos += lmost; // Find true position if(pos < 0.0) // Adjust for %N chans pos += (double)chans; else if(pos >= chans) // Adjust for %N chans pos -= (double)chans; return pos; } /**************************************** SPACEBOX **************************************/ void spacebox(double *pos, int *switchpos, double posstep, int chans, int spacetyp, int configno, int configcnt,int *superperm) { switch(spacetyp) { case(SB_LRRAND): // Alternate Left and Right sides, random position *pos = chans/2 * drand48(); // Random choice of half of chan positions if(*switchpos) // If switch on, put in 2nd half *pos += chans/2; *switchpos = -(*switchpos); break; case(SB_FBRAND): // Alternate Front and Back sides, random position *pos = chans/2 * drand48(); // Simil for front and back if(*switchpos) { *pos += 2; if(*pos >= chans) *pos -= chans; } else { *pos += 6; if(*pos >= chans) *pos -= chans; } *switchpos = -(*switchpos); break; case(SB_ROTATE): // Rotating clockwise or anticlockwise *pos += posstep; if(*pos >= chans) *pos -= chans; else if(*pos < 0.0) *pos += chans; break; case(SB_SUPERSPACE): case(SB_SUPERSPACE2): case(SB_SUPERSPACE3): case(SB_SUPERSPACE4): // Get item in current permutaion of possibilities *switchpos = superperm[configcnt]; break; case(SB_LR): // Alternate all-left/all-right Switch between the 2 alternatives case(SB_FB): // Alternate all-back/all-front case(SB_FRAMESWITCH): // Switch all-square/all-diamond *switchpos = !(*switchpos); break; case(SB_TRIROT1): // Rotate triangle formed by spkrs 2-apart clockwise case(SB_TRIROT2): // Rotate triangle formed by spkrs 3-apart clockwise (*switchpos)++; // Advance apex of triangle if(*switchpos >= chans) *switchpos -= chans; break; case(SB_ANTITRIROT1): // Rotate triangle formed by spkrs 2-apart anticlockwise case(SB_ANTITRIROT2): // Rotate triangle formed by spkrs 2-apart anticlockwise (*switchpos)--; // Regress apex of triangle if(*switchpos < chans) *switchpos += chans; break; } } /**************************************** SPACEBOX_APPLY **************************************/ void spacebox_apply(double pos, double lev,int chans,int *lmost, int *rmost,double *rlev,double *llev,int spacetyp) { double leftgain, rightgain; switch(spacetyp) { case(SB_LRRAND): // These options use true stereo between adjacent speakers case(SB_FBRAND): // Find levels and left/right lspkrs case(SB_ROTATE): *lmost = (int)floor(pos); pos -= (double)(*lmost); pos = (pos * 2.0) - 1.0; pancalc(pos,&leftgain,&rightgain); *rlev = lev * rightgain; *llev = lev * leftgain; *rmost = (*lmost + 1) % chans; break; case(SB_LR): case(SB_FB): case(SB_TRIROT1): case(SB_ANTITRIROT1): case(SB_TRIROT2): case(SB_ANTITRIROT2): case(SB_FRAMESWITCH): case(SB_SUPERSPACE): case(SB_SUPERSPACE2): case(SB_SUPERSPACE3): case(SB_SUPERSPACE4): *llev = lev; // Input level is distributed (as is) amongst various lspkrs break; } } /**************************************** OUTPUT_SPECIAL_SPATIALISATION_SAMPLE **************************************/ void output_special_spatialisation_sample(float *obuf,int sampcnt,int switchpos,int chans,double val,double valr,int lmost,int rmost,int spacetyp) { int k, tri1, tri2, tri3, a, b; switch(spacetyp) { case(SB_LR): if(switchpos) { for(k = (chans/2)+1;k < chans;k++) obuf[sampcnt+k] = (float)(obuf[sampcnt+k] + val); } else { for(k = 1;k < chans/2;k++) obuf[sampcnt+k] = (float)(obuf[sampcnt+k] + val); } break; case(SB_FB): if(switchpos) { for(k = 0;k < chans;k++) { if(k < 2 || k == 7) obuf[sampcnt+k] = (float)(obuf[sampcnt+k] + val); } } else { for(k = 3;k < 6;k++) obuf[sampcnt+k] = (float)(obuf[sampcnt+k] + val); } break; case(SB_TRIROT1): case(SB_ANTITRIROT1): tri1 = switchpos; tri2 = (switchpos + 2) % chans; tri3 = (switchpos + 6) % chans; for(k = 0;k< chans;k++) { if(k == tri1 || k == tri2 || k == tri3) // Add output only to the 2 relevant channels obuf[sampcnt] = (float)(obuf[sampcnt] + val); sampcnt++; } break; case(SB_TRIROT2): case(SB_ANTITRIROT2): tri1 = switchpos; tri2 = (switchpos + 3) % chans; tri3 = (switchpos + 5) % chans; for(k = 0;k< chans;k++) { if(k == tri1 || k == tri2 || k == tri3) // Add output only to the 2 relevant channels obuf[sampcnt] = (float)(obuf[sampcnt] + val); sampcnt++; } break; case(SB_FRAMESWITCH): if(switchpos) { for(k = 0;k< chans;k++) { // SQUARE if(ODD(k)) obuf[sampcnt] = (float)(obuf[sampcnt] + val); sampcnt++; } } else { for(k = 0;k< chans;k++) { // DIAMOND if(EVEN(k)) obuf[sampcnt] = (float)(obuf[sampcnt] + val); sampcnt++; } } break; case(SB_SUPERSPACE): case(SB_SUPERSPACE2): case(SB_SUPERSPACE3): case(SB_SUPERSPACE4): if(switchpos <= 7) { // 0 - 7 Single chans obuf[sampcnt+switchpos] = (float)(obuf[sampcnt+switchpos] + val); } else if(switchpos <=35) { // 8 - 35 switchpos -= 8; // 0 - 27 if(switchpos >=24) { // 24 - 27 switchpos -= 24; // 0 - 3 paired with its opposite obuf[sampcnt+switchpos] = (float)(obuf[sampcnt+switchpos] + val); switchpos += chans/2; // 4 - 7 obuf[sampcnt+switchpos] = (float)(obuf[sampcnt+switchpos] + val); } else { // 0 - 23 a = switchpos/3; // 0-7 = a b = switchpos - (a*3); // 0-2 b++; // 1-3 b = (a + b) % chans; // a+(1-3) obuf[sampcnt+a] = (float)(obuf[sampcnt+a] + val); obuf[sampcnt+b] = (float)(obuf[sampcnt+b] + val); } } else if(switchpos <= 43) { // 36 - 43 TRIANGLE 1 switchpos -=36; // 0 - 7 tri1 = switchpos; // 0,1,2... tri2 = (switchpos + 2) % chans; // 2,3,4... tri3 = (switchpos + 6) % chans; // 7,6,0... for(k = 0;k< chans;k++) { if(k == tri1 || k == tri2 || k == tri3) // Add output only to the 2 relevant channels obuf[sampcnt] = (float)(obuf[sampcnt] + val); sampcnt++; } } else if(switchpos <= 51) { // 44 - 51 TRIANGLE 2 switchpos -= 44; // 0 - 7 tri1 = switchpos; // 0,1,2,... tri2 = (switchpos + 3) % chans; // 3,4,5... tri3 = (switchpos + 5) % chans; // 5,6,7... for(k = 0;k< chans;k++) { if(k == tri1 || k == tri2 || k == tri3) // Add output only to the 2 relevant channels obuf[sampcnt] = (float)(obuf[sampcnt] + val); sampcnt++; } } else if(switchpos == 52) { // SQUARE for(k = 0;k< chans;k++) { if(EVEN(k)) // 0,2,4,6 obuf[sampcnt] = (float)(obuf[sampcnt] + val); sampcnt++; } break; } else if(switchpos == 53) { // DIAMOND for(k = 0;k< chans;k++) { if(ODD(k)) // 1,3,5,7 obuf[sampcnt] = (float)(obuf[sampcnt] + val); sampcnt++; } break; } else { // 54 ALL for(k = 0;k< chans;k++) { // 0,1,2,3,4,5,6,7 obuf[sampcnt] = (float)(obuf[sampcnt] + val); sampcnt++; } break; } break; default: // STEREO POSITIONED BETWEEN SOME PAIR OF CHANNELS for(k = 0;k< chans;k++) { if(k == lmost) // Add output only to the 2 relevant channels obuf[sampcnt] = (float)(obuf[sampcnt] + val); else if(k == rmost) obuf[sampcnt] = (float)(obuf[sampcnt] + valr); sampcnt++; } } } /***************************** GET_POS *******************************/ void get_drunkpos(int *here,int thisdur,int sndlen,int grain,int n,int *loc,int stepcnt,dataptr dz) { int step = 0; if(dz->iparam[NTEX_AMB] > 0 && (step = get_step(grain,dz))!=0) *here = get_new_pos(*here,dz->iparam[NTEX_AMB],dz->iparam[NTEX_LOC],step,sndlen,thisdur); else if(loc[n] != dz->iparam[NTEX_LOC]) { *here = get_new_locus_pos(*here,dz->iparam[NTEX_AMB],dz->iparam[NTEX_LOC],step,sndlen,thisdur); loc[n] = dz->iparam[NTEX_LOC]; } bounce_off_src_end_if_necessary(here,thisdur,sndlen); } /*************************** GET_STEP **************************/ int get_step(int grain,dataptr dz) { int step; double dstep = (drand48() * 2.0) - 1.0; /* range +1 to -1 */ dstep *= dz->iparam[NTEX_GST]; /* range +gstep to -gstep in samples */ step = (int)round(dstep/(double)grain); /* Step as a multiple of min-grainsize */ step *= grain; /* Current stepsize in samples */ return step; } /*************************** GET_NEW_LOCUS_POS **************************/ int get_new_locus_pos(int here,int ambitus,int locus,int step,int sndlen,int thisdur) { int current_stray = here - locus; /* distance frm start available seg (locus) to current pos*/ int new_stray = current_stray + step; /* new_stray = distance from locus */ if(new_stray > ambitus || new_stray < -ambitus) /* if new_stray greater than ambitus */ here = locus + step; else here += step; if(here<0) /* Bounce off start of buffer if ness */ here = -here; return(here); } /*************************** GET_NEW_POS **************************/ int get_new_pos(int here,int ambitus,int locus,int step,int sndlen,int thisdur) { int current_stray = here - locus; /* distance frm start available seg (locus) to current pos*/ int new_stray = current_stray + step; /* new_stray = distance from locus */ int otherstray, newstep; if(new_stray > ambitus || new_stray < -ambitus ) { /* if new_stray greater than ambitus */ otherstray = current_stray - step; if(otherstray >= 0 && otherstray <= ambitus) here = locus + otherstray; /* try reversing step */ else if(otherstray <0 && otherstray >= -ambitus) here = locus + otherstray; else { newstep = abs(new_stray) % ambitus; /* otherwise take modulus */ if(step >= 0) here = locus + newstep; else here = locus - newstep; } } else here += step; if(here<0) /* Else bounce off start of buffer */ here = -here; return(here); } /*************************** BOUNCE_OFF_SRC_END_IF_NECESSARY **************************/ void bounce_off_src_end_if_necessary(int *here,int thisdur,int sndlen) { int diff, gap; /* if "here" too near end */ if((diff = sndlen - *here) < thisdur) { /* else Bounce off end */ gap = thisdur - diff; *here -= 2 * gap; *here = max(0,*here); // SAFETY } }