/* * Copyright (c) 1983-2023 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 * */ // _cdprogs\motor motor 1 motorsrc.wav test.wav 10 20 .5 .6 .8 .5 #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #define gp_maxinsmps rampbrksize #define gp_maxpulsesmps total_windows #define minpulsesmps temp_sampsize #define symwarning fzeroset #define inbufcnt is_mapping #define MOT_SNGLE 0 #define MOT_SLICE 1 #define MOT_MULTI 2 #ifdef unix #define round(x) lround((x)) #endif #ifndef HUGE #define HUGE 3.40282347e+38F #endif char errstr[2400]; int anal_infiles = 1; int sloom = 0; int sloombatch = 0; const char* cdp_version = "6.1.0"; //CDP LIB REPLACEMENTS static int check_motor_param_validity_and_consistency(dataptr dz); static int setup_motor_application(dataptr dz); static int parse_sloom_data(int argc,char *argv[],char ***cmdline,int *cmdlinecnt,dataptr dz); static int parse_infile_and_check_type(char **cmdline,dataptr dz); static int setup_motor_param_ranges_and_defaults(dataptr dz); static int handle_the_outfile(int *cmdlinecnt,char ***cmdline,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 motor(dataptr dz); static int create_motor_sndbufs(dataptr dz); static int motor_param_preprocess(dataptr dz); static void rndpermm(int permlen,int *permm); static void insert(int m,int t,int permlen,int *permm); static void prefix(int m,int permlen,int *permm); static void shuflup(int k,int permlen, int *permm); static int generate_inner_pulse(float *ebuf,float *ibuf,float *obuf,int ibufpos,int obufpos,int gp_eventsamps,int gp_tail,double incr, double trem,int output,dataptr dz); static int calculate_cresc_and_decresc_counts_of_inner_events(int *cresc_cnt,int *decresc_cnt,double *cresctime, double *decresctime, double sym,double symrnd,double pulsdur,double frq,dataptr dz); static void calculate_fwd_and_bkwd_sampsteps_in_infile(int *in_upstep,int *in_dnstep,double srate,int chans, int gp_sampsread,int cresc_cnt,int decresc_cnt,double inner_dur,double edge,int ibufno,dataptr dz); static void calculate_inputsamps_to_read_and_length_of_tail(int *gp_eventsamps,int *gp_tail,double srate,double inner_dur,double fratio,double edge,dataptr dz); static int calculate_max_read_events_in_any_env_pulse(int *max_cresccnt,int *max_innercnt,double *frq,double *edge,int arraysize,int *permm,int permcnt, int *gp_sampsread,dataptr dz); static int select_infile_to_use(int *bufcntr,int *permm,int permcnt,dataptr dz); static int handle_the_special_data(char *str,int *max_gp_seg,dataptr dz); /**************************************** MAIN *********************************************/ int main(int argc,char *argv[]) { int exit_status, modetype; dataptr dz = NULL; char **cmdline; int cmdlinecnt; int n, max_gp_seg = 0; // aplptr ap; int is_launched = FALSE; 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 = 9; 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((exit_status = setup_motor_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; modetype = dz->mode % 3; // 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_motor_param_ranges_and_defaults(dz))<0) { exit_status = print_messages_and_close_sndfiles(exit_status,is_launched,dz); return(FAILED); } // open_first_infile CDP LIB if((exit_status = open_first_infile(cmdline[0],dz))<0) { print_messages_and_close_sndfiles(exit_status,is_launched,dz); return(FAILED); } cmdlinecnt--; cmdline++; // handle_extra_infiles() CDP LIB if((exit_status = handle_extra_infiles(&cmdline,&cmdlinecnt,dz))<0) { print_messages_and_close_sndfiles(exit_status,is_launched,dz); return(FAILED); } dz->gp_maxinsmps = 0; if(modetype != MOT_SLICE) { dz->inbufcnt = dz->infilecnt; for(n=0;ninbufcnt;n++) // Largest buffer for input data is size of largest infile dz->gp_maxinsmps = max(dz->gp_maxinsmps,dz->insams[n]); dz->gp_maxinsmps /= dz->infile->channels; } // 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 // handle_special_data.... if(modetype == MOT_SLICE) { if((exit_status = handle_the_special_data(cmdline[0],&max_gp_seg,dz))<0) { print_messages_and_close_sndfiles(exit_status,is_launched,dz); return(FAILED); } dz->inbufcnt = dz->itemcnt; dz->gp_maxinsmps = max_gp_seg; // Largest buffer for input data is size of largest cut seg 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.... if((exit_status = check_motor_param_validity_and_consistency(dz))<0) { print_messages_and_close_sndfiles(exit_status,is_launched,dz); return(FAILED); } //param_preprocess = if((exit_status = motor_param_preprocess(dz))<0) { print_messages_and_close_sndfiles(exit_status,is_launched,dz); return(FAILED); } is_launched = TRUE; dz->bufcnt = dz->inbufcnt + 3; 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); } for(n = 0;n bufcnt; n++) dz->sampbuf[n] = dz->sbufptr[n] = (float *)0; dz->sampbuf[n] = (float *)0; if((exit_status = create_motor_sndbufs(dz))<0) { print_messages_and_close_sndfiles(exit_status,is_launched,dz); return(FAILED); } //spec_process_file = if((exit_status = motor(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); switch(dz->input_data_type) { case(SNDFILES_ONLY): dz->infilecnt = 1; break; case(MANY_SNDFILES): dz->infilecnt = -2; break; } //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) { int exit_status; char *filename = (*cmdline)[0]; 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); } } strcpy(dz->outfilename,filename); if((exit_status = create_sized_outfile(filename,dz))<0) return(exit_status); (*cmdline)++; (*cmdlinecnt)--; 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_MOTOR_APPLICATION *******************/ int setup_motor_application(dataptr dz) { int exit_status, modetype = dz->mode % 3; aplptr ap; if((exit_status = establish_application(dz))<0) // GLOBAL return(FAILED); ap = dz->application; // SEE parstruct FOR EXPLANATION of next 2 functions switch(modetype) { case(MOT_SNGLE): exit_status = set_param_data(ap,0 ,6,6,"dDDDDD"); break; case(MOT_SLICE): exit_status = set_param_data(ap,MOTORDATA,6,6,"dDDDDD"); break; case(MOT_MULTI): exit_status = set_param_data(ap,0 ,6,6,"dDDDDD"); break; } if((exit_status = set_param_data(ap,0 ,6,6,"DDDDDd"))<0) return(FAILED); switch(modetype) { case(MOT_SNGLE): exit_status = set_vflgs(ap,"fpjtyebvs",9,"DDDDDDDDi","a",1,0,"0"); break; case(MOT_SLICE): // fall thro case(MOT_MULTI): exit_status = set_vflgs(ap,"fpjtyebvs",9,"DDDDDDDDi","ac",2,0,"00"); break; } if(exit_status<0) return(FAILED); // set_legal_infile_structure --> dz->has_otherfile = FALSE; // assign_process_logic --> switch(modetype) { case(MOT_SNGLE): // fall thro case(MOT_SLICE): dz->input_data_type = SNDFILES_ONLY; break; case(MOT_MULTI): dz->input_data_type = 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((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_MOTOR_PARAM_RANGES_AND_DEFAULTS *******************/ int setup_motor_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[MOT_DUR] = 1.0; ap->hi[MOT_DUR] = 7200.0; ap->default_val[MOT_DUR] = 20.0; ap->lo[MOT_FRQ] = 2; ap->hi[MOT_FRQ] = 100; ap->default_val[MOT_FRQ] = MOT_FRQ_DFLT; ap->lo[MOT_PULSE] = 0.1; ap->hi[MOT_PULSE] = 10.0; ap->default_val[MOT_PULSE] = 1.0; ap->lo[MOT_FRATIO] = 0.0; ap->hi[MOT_FRATIO] = 1.0; ap->default_val[MOT_FRATIO] = 0.5; ap->lo[MOT_PRATIO] = 0.0; ap->hi[MOT_PRATIO] = 1.0; ap->default_val[MOT_PRATIO] = 1.0; ap->lo[MOT_SYM] = 0.0; ap->hi[MOT_SYM] = 1.0; ap->default_val[MOT_SYM] = 0.5; ap->lo[MOT_FRND] = 0.0; ap->hi[MOT_FRND] = 1.0; ap->default_val[MOT_FRND] = 0.0; ap->lo[MOT_PRND] = 0.0; ap->hi[MOT_PRND] = 1.0; ap->default_val[MOT_PRND] = 0.0; ap->lo[MOT_JIT] = 0.0; ap->hi[MOT_JIT] = 3.0; ap->default_val[MOT_JIT] = 0.0; ap->lo[MOT_TREM] = 0.0; ap->hi[MOT_TREM] = 1.0; ap->default_val[MOT_TREM] = 0.0; ap->lo[MOT_SYMRND] = 0.0; ap->hi[MOT_SYMRND] = 1.0; ap->default_val[MOT_SYMRND] = 0.0; ap->lo[MOT_EDGE] = 0; ap->hi[MOT_EDGE] = 20.0; ap->default_val[MOT_EDGE] = 0; ap->lo[MOT_BITE] = 0.1; ap->hi[MOT_BITE] = 10.0; ap->default_val[MOT_BITE] = 3.0; ap->lo[MOT_VARY] = 0; ap->hi[MOT_VARY] = 1.0; ap->default_val[MOT_VARY] = 0.0; ap->lo[MOT_SEED] = 0; ap->hi[MOT_SEED] = 256; ap->default_val[MOT_SEED] = 0; dz->maxmode = 9; 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_motor_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("motor"); return(USAGE_ONLY); } /**************************** CHECK_MOTOR_PARAM_VALIDITY_AND_CONSISTENCY *****************************/ int check_motor_param_validity_and_consistency(dataptr dz) { int exit_status; double maxratio, maxpulse, minfrq, minpulsedur, maxfrqdur; if(dz->brksize[MOT_FRATIO]) { if((exit_status = get_maxvalue_in_brktable(&maxratio,MOT_FRATIO,dz))<0) return exit_status; } else maxratio = dz->param[MOT_FRATIO]; if(maxratio == 0.0) { sprintf(errstr,"Zero event-ratio will create a silent output.\n"); return DATA_ERROR; } if(dz->brksize[MOT_PRATIO]) { if((exit_status = get_maxvalue_in_brktable(&maxratio,MOT_PRATIO,dz))<0) return exit_status; } else maxratio = dz->param[MOT_PRATIO]; if(maxratio == 0.0) { sprintf(errstr,"Zero pulsed-enveloped-ratio will create a silent output.\n"); return DATA_ERROR; } if((dz->brksize[MOT_VARY] || dz->param[MOT_VARY] > 0.0) && dz->vflag[MOT_FXDSTP]) { sprintf(errstr,"Fixed step and varying step in src-read cannot both be used.\n"); return DATA_ERROR; } if(dz->brksize[MOT_PULSE]) { if((exit_status = get_maxvalue_in_brktable(&maxpulse,MOT_PULSE,dz))<0) return exit_status; } else maxpulse = dz->param[MOT_PULSE]; if(dz->brksize[MOT_FRQ]) { if((exit_status = get_minvalue_in_brktable(&minfrq,MOT_FRQ,dz))<0) return exit_status; } else minfrq = dz->param[MOT_FRQ]; minpulsedur = 1.0/maxpulse; minpulsedur *= maxratio; maxfrqdur = 1.0/minfrq; if(minpulsedur <= 2.0 * maxfrqdur) { fprintf(stdout,"ERROR: Min outerpulse dur (1/rate(%lf) = %lf) less max-offtime (shorten by %.2lf) = %lf\n",maxpulse,1/maxpulse,1/maxpulse * (1 - dz->param[MOT_PRATIO]),(1/maxpulse) - (1/maxpulse * (1 - dz->param[MOT_PRATIO]))); fprintf(stdout,"ERROR: is less than or equal to 2 * max innerpulse dur (1/rate(%lf) = %.2lf X2= %.2lf).\n",minfrq,1/minfrq,1/minfrq * 2); fflush(stdout); return DATA_ERROR; } return FINISHED; } /**************************** MOTOR_PARAM_PREPROCESS *****************************/ int motor_param_preprocess(dataptr dz) { double maxpulse, minpulse, thispulse, srate = (double)dz->infile->srate; int chans = dz->infile->channels; int n, v; minpulse = HUGE; maxpulse = 0.0; if(dz->brksize[MOT_PULSE]) { for(n=0,v=1;n brksize[MOT_PULSE];n++,v+=2) { thispulse = 1.0/dz->brk[MOT_PULSE][v]; maxpulse = max(maxpulse,thispulse); // Find the largest pulse to fit into a buffer, to help determine buffer size minpulse = min(minpulse,thispulse); // and the smallest pulse, to later determine the max number of pulses per buffer } } else { maxpulse = 1.0/dz->param[MOT_PULSE]; minpulse = 1.0/dz->param[MOT_PULSE]; } dz->gp_maxpulsesmps = (int)ceil(maxpulse * srate); dz->minpulsesmps = (int)floor(minpulse * srate) * chans; if(dz->brksize[MOT_PULSE]) { // Convert Frq into wavelength for(n=0,v=1;n brksize[MOT_PULSE];n++,v+=2) dz->brk[MOT_PULSE][v] = 1.0/dz->brk[MOT_PULSE][v]; } else dz->param[MOT_PULSE] = 1.0/dz->param[MOT_PULSE]; return FINISHED; } /********************************************************************************************/ int get_the_process_no(char *prog_identifier_from_cmdline,dataptr dz) { if(!strcmp(prog_identifier_from_cmdline,"motor")) dz->process = MOTOR; else { sprintf(errstr,"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) { if(!strcmp(str,"motor")) { fprintf(stderr, "USAGE: motor motor 1,4,7 infile outfile params\n" "USAGE: motor motor 2,5,8 infile outfile data params\n" "OR: motor motor 3,6,9 inf1 [inf2 inf3 ....] outfile params\n" "Params are...\n" "dur freq pulse fratio pratio sym [-ffrand] [-pprand] [-jjitter] [-ttremor]\n" "[-yshift] [-eedge] [-bbite] [-vvary | -a] [-sseed] [-c]\n" "\n" "Create fast (inner) pulse-stream, within slower (outer) pulsed-enveloping.\n" "Under every outer-pulse, set of inner events cut successively from input src(s)\n" "as the outer-envelope rises, then in reverse order as it falls.\n" "Outer-pulse, shortened by \"PRATIO\", must hold at least 2 inner-pulses.\n" "\n" "Mode 1+3: Typical source(s) short, & widening in frq-range from start to end.\n" "Mode 2: Cuts segments from single src, at slice-times specified in \"data\".\n" "Modes 4-6: Similar except source-reads only advance.\n" "Modes 7-9: Similar except source-reads either only advance or only regress.\n" "\n" "DATA Textfile of times in infile at which to slice it into separate srcs.\n" "DUR Duration of the output file.\n" "FREQ Pulse-rate (Hz) of inner-pulses (range 2 to 100).\n" "PULSE Pulse-rate (Hz) of outer-pulses. (range 0.1 to 10)\n" "FRATIO Proportion of on-time to off-time of inner-events. (range 0 to 1)\n" "PRATIO Proportion of on-time to off-time of outer-events. (range 0 to 1)\n" "SYM Symmetry of outer-pulses. (range 0 to 1)\n" " \"sym\" marks peak of rising-falling envelope on range 0 to 1.\n" " 0.5 gives symmetrical cresc-decresc envelope.\n" " 1 gives cresc envelope: 0 gives decresc envelope.\n" " 0.75 gives long cresc and short decresc. etc\n" "FRAND Freq(f) randomisation (Range 0-1): max variation from f/2 to 3f/2\n" "PRAND Pulse(p) randomisation (Range 0-1): max variation from p/2 to 3p/2\n" "JITTER Range of any pitch randomisation of inner-pulses (0 - 3 semitones).\n" "TREMOR Range of any random amplitude attenuation of inner-pulses (0-1).\n" "SHIFT Range of any randomisation of outer-pulse symmetry (Range 0 to 1).\n" "EDGE Length of decay-tail of inner-pulses (multiple of dur: Range 0 to 20)\n" "BITE Shape of outer-pulses. (Range 0.1 to 10: Dflt 3). 1 = Linear rise-fall\n" " > 1 slow-fast rise, fast-slow fall: < 1 fast-slow rise, slow-fast fall.\n" "VARY Advance-step in src-read rand-varies from 1 outer-pulse to next.(0-1).\n" " 0 = no variation, 1 = max variation range (from no advance to max-step).\n" "SEED Different seed vals gives different randomised outputs.(Range 0 to 256)\n" "-a Inner-events under outer-pulse-cresc advance by fixed step.\n" " (Default: Inner-events advance to end of source, unless \"vary\" set).\n" "-c (Mode 2-3 only) cycle through input srcs.(Default, randomly permute order).\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); } /******************************** MOTOR ********************************/ int motor(dataptr dz) { int exit_status, warned = 0, bufcntr = 0, done = 0, event_cnt, ibufno, ch, chans = dz->infile->channels; float **ibuf, *ebuf, *obuf, *ovflwbuf; int *instep, *gp_sampsread, *mot_starts, *mot_ends, arraysize, in_upstep = 0, in_dnstep = 0, write_position, gp_edgsmps, pulsesmps, start = 0, end = 0 /*, next*/; int n, m, j, k, cresc_cnt, decresc_cnt, max_cresccnt=0, inner_cnt, max_innercnt = 0, outstep, gp_eventsamps, gp_tail, ibufpos, obufpos = 0; double time, srate = (double)dz->infile->srate; double *mot_frq, *mot_sym, *mot_frnd, *mot_jit, *mot_trem, *mot_symrnd, *mot_fratio, *mot_dur, *mot_edge, *mot_bite, *inseg; double frq=0.0, edge=0.0, sym, frnd, jit, trem, symrnd, fratio, pulsdur, bite = 1.0, edgelen, outer_dur, real_outer_dur, rnd, endtime, cresctime = 0.0, decresctime = 0.0; double inner_dur, thisdur, val, incr, mindur, segdur; int *permm, permcnt = dz->inbufcnt; int *samphold, start_read, samps_to_read, gp_splicelen, gp_samps_envup, gp_samps_envdn, zerocnt; int modetype = dz->mode % 3, advance_regress = 0, only_advance = 0; if(dz->mode < 3) advance_regress = 1; else if(dz->mode < 6) only_advance = 1; if((samphold = (int *)malloc(dz->inbufcnt * sizeof(int)))==NULL) { sprintf(errstr,"Insufficient memory to create store for source sizes.\n"); return(MEMORY_ERROR); } if(modetype != MOT_SLICE) { // Arrays already created for MOT_SLICE in read_special_data if((dz->parray = (double **)malloc(10 * sizeof(double *)))==NULL) { sprintf(errstr,"Insufficient memory to create temporary varying parameter storage.\n"); return(MEMORY_ERROR); } } // PRELIMINARIES if((permm = (int *)malloc(dz->inbufcnt * sizeof(int)))==NULL) { // Establish array for permuting order of infiles sprintf(errstr,"Insufficient memory to create file-order permutation store.\n"); return(MEMORY_ERROR); } // Establish arrays to store brkpnt values for each outer-pulse in a buffer arraysize = (dz->buflen/dz->minpulsesmps) + 64; // Array must accomodate max number of inner-pulses with an outer_envelope-pulse for(n=0;n < 10;n++) { if((dz->parray[n] = (double *)malloc(arraysize * sizeof(double)))==NULL) { sprintf(errstr,"Insufficient memory to temporary varying parameter storage %d.\n",n+1); return(MEMORY_ERROR); } } if((dz->lparray = (int **)malloc(3 * sizeof(int *)))==NULL) { sprintf(errstr,"Insufficient memory to create 'int' arrays.\n"); return(MEMORY_ERROR); } if((dz->lparray[0] = (int *)malloc(arraysize * sizeof(int)))==NULL) { sprintf(errstr,"Insufficient memory to create pulse markers for events in buffer.\n"); return(MEMORY_ERROR); } if((dz->lparray[1] = (int *)malloc(arraysize * sizeof(int)))==NULL) { sprintf(errstr,"Insufficient memory to create pulse markers for events in buffer.\n"); return(MEMORY_ERROR); } // Establish array to store sample-step between inner-events, in each infile if((dz->lparray[2] = (int *)malloc(dz->inbufcnt * sizeof(int)))==NULL) { sprintf(errstr,"Insufficient memory to create array to store stpes with infiles.\n"); return(MEMORY_ERROR); } // Establish array of input buffers if((ibuf = (float **)malloc(dz->inbufcnt * sizeof(float *)))==NULL) { sprintf(errstr,"Insufficient memory to create input sound buffers.\n"); return(MEMORY_ERROR); } if((gp_sampsread = (int *)malloc(dz->inbufcnt * sizeof(int)))==NULL) { sprintf(errstr,"Insufficient memory to create input file pointers.\n"); return(MEMORY_ERROR); } instep = dz->lparray[2]; // Sample-step (within each infile) to next inner-event, when "advance" flag not set mot_starts = dz->lparray[0]; // Start of each envelope-event mot_ends = dz->lparray[1]; // End of each envelope-event mot_sym = dz->parray[0]; // Parameters of the envelope mot_symrnd = dz->parray[1]; mot_bite = dz->parray[2]; mot_dur = dz->parray[3]; mot_frq = dz->parray[4]; // Parameters of inner-events within the envelope mot_frnd = dz->parray[5]; mot_jit = dz->parray[6]; mot_trem = dz->parray[7]; mot_fratio = dz->parray[8]; mot_edge = dz->parray[9]; for(n=0;ninbufcnt;n++) // Establish arrays to store input and output sound ibuf[n] = dz->sampbuf[n]; ebuf = dz->sampbuf[n++]; obuf = dz->sampbuf[n++]; ovflwbuf = dz->sampbuf[n]; if(modetype == MOT_SLICE) { // Read single source at different points, and store segments in buffers, splicing starts and ends gp_splicelen = (int)round(MOT_SPLICE * MS_TO_SECS * srate); inseg = dz->parray[10]; // noting the length of each segment in gp_samples for(n=0,m=0;n < dz->inbufcnt;n++,m+=2) { start_read = (int)round(inseg[m] * srate) * chans; if(n == dz->itemcnt - 1) samps_to_read = dz->insams[0] - start_read; else { segdur = inseg[m+1] - inseg[m]; samps_to_read = (int)round(segdur * srate) * chans; } sndseekEx(dz->ifd[0],start_read,0); if((dz->ssampsread = fgetfbufEx(ibuf[n],samps_to_read,dz->ifd[0],0)) < 0) { sprintf(errstr,"Can't read sample-set %d from input soundfile.\n",n+1); return(SYSTEM_ERROR); } if(dz->ssampsread != samps_to_read) { fprintf(stdout,"WARNING: Samps read (%d) not exactly as asked for (%d) for input seg %d\n",dz->ssampsread,samps_to_read,n+1); fflush(stdout); } samphold[n] = dz->ssampsread; gp_sampsread[n] = dz->ssampsread/chans; if(n>0) { ibufpos = 0; for(k=0;kinbufcnt-1) { for(k=0,j=gp_sampsread[n] - 1;kinbufcnt;n++) { if((dz->ssampsread = fgetfbufEx(ibuf[n], dz->buflen,dz->ifd[n],0)) < 0) { sprintf(errstr,"Can't read samples from input soundfile %d.\n",n+1); return(SYSTEM_ERROR); } samphold[n] = dz->ssampsread; gp_sampsread[n] = dz->ssampsread/chans; } } time = 0.0; write_position = 0; // In fixed-step mode we advance by a fixed step in the input file. // Need to know the maximum number of steps within the crescendo part of any envelope-pulse, so..... dz->symwarning = 0; if(dz->vflag[MOT_FXDSTP]) { srand(dz->iparam[MOT_SEED]); // Initialise randomisation rndpermm(permcnt,permm); // and do initial permutation if((exit_status = calculate_max_read_events_in_any_env_pulse(&max_cresccnt,&max_innercnt,&frq,&edge,arraysize,permm,permcnt,gp_sampsread,dz))<0) return exit_status; inner_dur = 1/frq; // Duration of final inner-event edgelen = inner_dur * edge; // Tail on final event gp_edgsmps = (int)ceil(edgelen * srate); // Allowing for possible tail on last sample-read for(n=0;ninbufcnt;n++) { // Divide each input file into max possible number of steps to find the instep for each src if(advance_regress) // In these modes, whole src must fit under crescendo instep[n] = (int)floor(((samphold[n]/chans) - gp_edgsmps)/max_cresccnt) * chans; else // In these modes, whole src must fit under crescendo+decrescendo instep[n] = (int)floor(((samphold[n]/chans) - gp_edgsmps)/max_innercnt) * chans; } } srand(dz->iparam[MOT_SEED]); // (re)Initialise randomisation rndpermm(permcnt,permm); // and (re)do initial permutation while(time < dz->param[MOT_DUR]) { // Until we have generated the required output duration event_cnt = 0; // LOCATE POSITION AND END-TIMES OF ALL LARGE-PULSES FITTING WITHIN CURRENT BUFFER while(write_position < dz->buflen) { // Find all large-pulses FITTING IN A BUFFER if(event_cnt >= arraysize) { sprintf(errstr,"Array overrun storing pulse start and end times in buffer.\n"); return PROGRAM_ERROR; } // Store sample-time of start of large-pulse ..... mot_starts[event_cnt] = (int)round(time * srate) * chans; mot_starts[event_cnt] -= dz->total_samps_written;// .....within the current buffer // Find parameters for internal-events inside each of envelope-pulse if((exit_status = read_values_from_all_existing_brktables(time,dz))<0) return exit_status; mot_frq[event_cnt] = dz->param[MOT_FRQ]; mot_sym[event_cnt] = dz->param[MOT_SYM]; mot_frnd[event_cnt] = dz->param[MOT_FRND]; mot_jit[event_cnt] = dz->param[MOT_JIT]; mot_trem[event_cnt] = dz->param[MOT_TREM]; mot_symrnd[event_cnt] = dz->param[MOT_SYMRND]; mot_fratio[event_cnt] = dz->param[MOT_FRATIO]; mot_edge[event_cnt] = dz->param[MOT_EDGE]; mot_bite[event_cnt] = dz->param[MOT_BITE]; mindur = 1.0/dz->param[MOT_FRQ]; // Duration of inner-events mindur += 0.001; // Correct for rounding errors mindur *= 2; // Two inner pulses is minimum to fit in 1 outer-pulse // Find step between envelope-pulses, and actual sounding-end of envelope-pulse outer_dur = dz->param[MOT_PULSE]; // Find actual duration of large-pulse, modifying it, if randomised if(dz->param[MOT_PRND] > 0.0) { rnd = (drand48() * 2.0) - 1.0; // Range -1 to 1 rnd *= dz->param[MOT_PRND]; // Range -r to + r rnd += 1.0; // Range 1-r to 1+r outer_dur *= rnd; outer_dur = max(outer_dur,2 * mindur); // Outer-Pulse cannot be shorter than 2 inner_pulses } real_outer_dur = outer_dur * dz->param[MOT_PRATIO]; // If pulse does NOT sound for all its duration, find actual end of sound-write real_outer_dur = max(real_outer_dur,mindur); // Outer-Pulse cannot be shorter than 2 inner_pulses mot_dur[event_cnt] = real_outer_dur; // and store it endtime = time + real_outer_dur; // Store sample-time of end of large-pulse-write .... mot_ends[event_cnt] = (int)round(endtime * srate) * chans; mot_ends[event_cnt] -= dz->total_samps_written; // ....within the current buffer pulsesmps = (int)round(outer_dur * srate) * chans; event_cnt++; // Advance event-counter to next event write_position += pulsesmps; // Advance write-position in output buffer. time += outer_dur; // Advance time for next brktable-read if(time >= dz->param[MOT_DUR]) { // If this large-pulse event runs over required total-duration-of-output, done = 1; // flag to quit, once inner-events have been generated break; // and break (so no further envel-pulses generated). } } // NOW GENERATE THE INNER EVENTS INSIDE THE LARGE-PULSES for(n = 0; n 0.0) { // If inner-event timings are randomised, Recalculate step to next event rnd = ((drand48() * 2.0) - 1.0)/2.0; // Range -1/2 to 1/2 rnd *= frnd; // Range -frnd(min -1/2) to frnd (max 1/2) thisdur = inner_dur * (1.0 + rnd); // Step-time increased or decreaserd by max of +- 1/2 outstep = (int)round(thisdur * srate) * chans; } obufpos += outstep; ibufpos += in_upstep; } // GENERATE ALL EVENTS IN THE DECRESC PART OF ENVELOPE for(m = 0; m < decresc_cnt;m++) { if((ibufpos -= in_dnstep) < 0) { ibufpos = 0; if(!warned) { fprintf(stdout,"WARNING: Decrescendoing part of an event overran foot of buffer.\n"); fflush(stdout); warned = 1; } } if((exit_status = generate_inner_pulse(ebuf,ibuf[ibufno],obuf,ibufpos,obufpos,gp_eventsamps,gp_tail,incr,trem,1,dz))<0) return exit_status; if(frnd > 0.0) { rnd = ((drand48() * 2.0) - 1.0)/2.0; rnd *= frnd; thisdur = inner_dur * (1.0 + rnd); outstep = (int)round(thisdur * srate) * chans; } obufpos += outstep; } } else { // In these modes Read only advances, or only regresses if(only_advance) // Advances from start ibufpos = 0; else { // Advances from start OR Regresses from end at random rnd = drand48(); if(rnd < 0.5) ibufpos = 0; // Advance else { ibufpos = (in_upstep) * (inner_cnt - 1); in_upstep = -in_upstep; // Regress } } for(m = 0; m < inner_cnt;m++) { if((exit_status = generate_inner_pulse(ebuf,ibuf[ibufno],obuf,ibufpos,obufpos,gp_eventsamps,gp_tail,incr,trem,1,dz))<0) return exit_status; if(frnd > 0.0) { // If inner-event timings are randomised, Recalculate step to next event rnd = ((drand48() * 2.0) - 1.0)/2.0; // Range -1/2 to 1/2 rnd *= frnd; // Range -frnd(min -1/2) to frnd (max 1/2) thisdur = inner_dur * (1.0 + rnd); // Step-time increased or decreaserd by max of +- 1/2 outstep = (int)round(thisdur * srate) * chans; } obufpos += outstep; ibufpos += in_upstep; } } // THEN DO ENVELOPE OVER CRESC+DECRESC EVENTS gp_samps_envup = (int)round(cresctime * srate); // Number of sample-groups in the cresc and decresc gp_samps_envdn = (int)round(decresctime * srate); // Adjust for rounding errors while(start + ((gp_samps_envup + gp_samps_envdn) * chans) > end) gp_samps_envdn--; obufpos = start; // Returning to start of the outer-event for(m = 0; m < gp_samps_envup; m++) { val = (double)m/(double)gp_samps_envup; val = pow(val,bite); // Impose "bite" curvature on outer-nvelope for(ch=0;ch= 0; m--) { val = (double)m/(double)gp_samps_envdn; val = pow(val,bite); for(ch=0;chbuflen * 2) - obufpos; // zero the rest of the outbuffer if(zerocnt > 0) // in case any writes to it have not fallen under envelope, memset((char *)(obuf+obufpos),0,zerocnt * sizeof(float)); } if(done) // If already got total duration, quit break; if((exit_status = write_samps(obuf,dz->buflen,dz))<0) // otherwise ... return exit_status; // Write buffer-full of sound memcpy((char *)obuf,(char *)ovflwbuf,dz->buflen * sizeof(float)); memset((char *)ovflwbuf,0,dz->buflen * sizeof(float)); // .... and copy back any overflow write_position -= dz->buflen; // Reset position of write in buffer. } if((exit_status = write_samps(obuf,obufpos,dz))<0) // Write any remaining samples return exit_status; return FINISHED; } /****************************** GET_MODE *********************************/ int get_the_mode_from_cmdline(char *str,dataptr dz) { char temp[200], *p; if(sscanf(str,"%s",temp)!=1) { sprintf(errstr,"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); } /******************************** CREATE_MOTOR_SNDBUFS ********************************/ int create_motor_sndbufs(dataptr dz) { int n, chans = dz->infile->channels; int bigbufsize, secsize, framesize = F_SECSIZE * chans; double max_transpos; dz->buflen = max(dz->gp_maxinsmps,dz->gp_maxpulsesmps); max_transpos = pow(2.0,dz->application->hi[MOT_JIT]/SEMITONES_PER_OCTAVE); // Allow for maximal transposition of output dz->buflen = (int)ceil((double)dz->buflen * max_transpos); dz->buflen = (int)ceil((double)dz->buflen * 1.5); // Allow for maximal warp of inner-pulse-lengths dz->buflen *= chans; secsize = dz->buflen/framesize; if(secsize * framesize != dz->buflen) secsize++; dz->buflen = secsize * framesize; bigbufsize = (dz->buflen * dz->bufcnt) * sizeof(float); if((dz->bigbuf = (float *)malloc(bigbufsize)) == NULL) { sprintf(errstr,"INSUFFICIENT MEMORY to create total sound buffers.\n"); return(PROGRAM_ERROR); } dz->sbufptr[0] = dz->sampbuf[0] = dz->bigbuf; // 1 Inbuf for each infile for(n=1;n < dz->bufcnt;n++) // 1 untransposed inner-pulse buf dz->sbufptr[n] = dz->sampbuf[n] = dz->sampbuf[n-1] + dz->buflen; // 1 motor-pulses output buf dz->sampbuf[n] = dz->sampbuf[n-1] + dz->buflen; // 1 motor-pulses overflow return(FINISHED); } /*************************** RNDPERMM ********************************/ void rndpermm(int permlen,int *permm) { int n, t; for(n=0;n k;n--) { *i = *(i-1); i--; } } /****************************** GENERATE_INNER_PULSE ***********************************/ int generate_inner_pulse(float *ebuf,float *ibuf,float *obuf,int ibufpos,int obufpos,int gp_eventsamps,int gp_tail,double incr,double trem,int output,dataptr dz) { int chans = dz->infile->channels, splen, ch; int k, kk, m, mm, thispos, nextpos, gp_fadelen; double splic, rnd, amp, debufpos, frac, val, diff, srate = (double)dz->infile->srate; int gp_splicelen = (int)round((MOT_SPLICE * MS_TO_SECS) * srate); if(output) { memset((char *)ebuf,0,dz->buflen * sizeof(float)); // Copy total event samples from ibuf memcpy((char *)ebuf,(char *)(ibuf + ibufpos),gp_eventsamps * chans * sizeof(float)); splen = min(gp_splicelen,gp_eventsamps/2); // Find appropriate splicelen for(k = 0; k < splen;k++) { // Do on-splice kk = k * chans; splic = (double)k/(double)splen; for(ch = 0;ch < chans;ch++) ebuf[kk + ch] = (float)(ebuf[kk + ch] * splic); } if(gp_tail == 0) { // If No tail for(k = 0, m = gp_eventsamps - 1; k < splen;k++,m--) { mm = m * chans; // Do off-splice splic = (double)k/(double)splen; for(ch = 0;ch < chans;ch++) ebuf[mm + ch] = (float)(ebuf[mm + ch] * splic); } } else { // Else, fade through splicelen and tail gp_fadelen = splen + gp_tail; for(k = 0, m = gp_eventsamps - 1; k < gp_fadelen;k++,m--) { mm = m * chans; splic = (double)k/(double)gp_fadelen; splic = pow(splic,MOT_EXPDECAY); // Exponential decay for(ch = 0;ch < chans;ch++) ebuf[mm + ch] = (float)(ebuf[mm + ch] * splic); } } } // NOW ADD THE EVENT TO THE OUTPUT, VARYING PITCH AND AMPLITUDE IF NESS if(trem > 0.0) { // If amplitude varies rnd = drand48(); // Range 0 to 1 rnd *= trem; // Range 0 to trem amp = 1.0 - rnd; // Amp = 1 minus rnd-variation } else amp = 1.0; if(output) { debufpos = 0.0; while(debufpos < gp_eventsamps) { // Read input using increment (for possible pitch-shift) thispos = (int)floor(debufpos); frac = debufpos - (double)thispos; thispos *= chans; nextpos = thispos + chans; for(ch = 0;ch < chans; ch++) { val = ebuf[thispos++]; diff = ebuf[nextpos++] - val; val += diff * frac; val *= amp; // Do any required amplitude atenuation obuf[obufpos] = (float)(obuf[obufpos] + val);// Add sample into output (in case there are event overlaps) obufpos++; } debufpos += incr; if(obufpos >= dz->buflen * 2) { sprintf(errstr,"Error in output buffer logic. May be due to jitter.\n"); return PROGRAM_ERROR; } } } return FINISHED; } /********************************** CALCULATE_CRESC_AND_DECRESC_COUNTS_OF_INNER_EVENTS ************************************/ int calculate_cresc_and_decresc_counts_of_inner_events(int *cresc_cnt,int *decresc_cnt,double *cresctime,double *decresctime, double sym,double symrnd,double pulsdur,double frq,dataptr dz) { double rnd, offset, adjust; int total; int bum = 0; if(symrnd > 0.0) { // If symmetry randomised rnd = (drand48() * 2.0) - 1.0; // Rand value in range -1 to 1 rnd *= symrnd; // Rand value in range -symrand to symrand if(rnd < 0.0) { rnd = (-rnd) * sym; // Push backward the symmetry position by a random amount sym -= rnd; } else { // OR Push forward the symmetry position by a random amount rnd *= (1.0 - sym); sym += rnd; } } *cresctime = pulsdur * sym; // use length and symmetry to work out how many events needed in cresc and decresc *decresctime = pulsdur - *cresctime; *cresc_cnt = (int)floor(*cresctime * frq); *decresc_cnt = (int)floor(*decresctime * frq); total = *cresc_cnt + *decresc_cnt; if(total < 2) { if(!dz->symwarning) { fprintf(stdout,"WARNING: Insufficient inner-events underneath envelope : adjusting symmetry.\n"); fflush(stdout); dz->symwarning = 1; } offset = sym - 0.5; // distance from midpoint to sym-peak adjust = -offset; // step back to midpoint adjust /= 10.0; // 1/10 of this distance while(total < 2) { sym += adjust; // Move symmetry towards midpoint, in small steps if(adjust > 0.0 && sym > 0.5) // recalculating cresctime & decresctime, to get values that work bum = 1; else if(adjust < 0.0 && sym < 0.5) // But if no values work ... fail!!!! bum = 1; if(bum) { sprintf(errstr,"Insufficient inner-events underneath envelope. sym = %lf pulsdur = %lf\n",sym,pulsdur); return PROGRAM_ERROR; } *cresctime = pulsdur * sym; *decresctime = pulsdur - *cresctime; *cresc_cnt = (int)floor(*cresctime * frq); *decresc_cnt = (int)floor(*decresctime * frq); total = *cresc_cnt + *decresc_cnt; } } if(*cresc_cnt == 0) { (*cresc_cnt)++; (*decresc_cnt)--; *cresctime = *cresc_cnt/frq; *decresctime = *decresc_cnt/frq; } else if (*decresc_cnt == 0) { (*decresc_cnt)++; (*cresc_cnt)--; *cresctime = *cresc_cnt/frq; *decresctime = *decresc_cnt/frq; } return FINISHED; } /********************************** SELECT_INFILE_TO_USE ************************************/ int select_infile_to_use(int *bufcntr,int *permm,int permcnt,dataptr dz) { int ibufno = 0; int modetype = dz->mode % 3; if(modetype != MOT_SNGLE) { // Find appropriate inbuf, if multiple input files, or many cut segments if(dz->vflag[MOT_CYCLIC]) ibufno = *bufcntr; // either next one cyclically else ibufno = permm[*bufcntr]; // or next one in perm if(++(*bufcntr) >= dz->inbufcnt) { // and advance infile counter "bufcntr" if(!dz->vflag[MOT_CYCLIC]) rndpermm(permcnt,permm); *bufcntr = 0; } } return ibufno; } /********************************** CALCULATE_FWD_AND_BKWD_SAMPSTEPS_IN_INFILE ************************************/ void calculate_fwd_and_bkwd_sampsteps_in_infile(int *in_upstep,int *in_dnstep,double srate,int chans,int gp_sampsread, int cresc_cnt,int decresc_cnt,double inner_dur,double edge,int ibufno,dataptr dz) { double edgelen, upsteptime, advance, dnsteptime, rnd; int gp_edgsmps, smp_advance, smp_regress; int *instep = dz->lparray[2]; int advance_regress = 0; if(dz->mode < 3) advance_regress = 1; if(dz->vflag[MOT_FXDSTP]) { // Envelope inner-events always advance by a fixed amount // From known pre-calculated timestep between reads, for this infile *in_upstep = instep[ibufno]; // Fixed step calculated so this is same in all modes (for modes > 3 in_dnstep not used) if(advance_regress) { upsteptime = (double)((*in_upstep)/chans)/srate; advance = upsteptime * cresc_cnt; // End time in infile after all reads dnsteptime = advance/(double)decresc_cnt; // Length of time-steps back to start of file, in decresendo-steps *in_dnstep = (int)round(dnsteptime * srate) * chans; } } else { // Envelope inner-events always advance to end of infile data edgelen = inner_dur * edge; // how many infile steps to advance to end, and to return to start gp_edgsmps = (int)ceil(edgelen * srate); // Allow for overlay of last sample due to its tail if(dz->param[MOT_VARY] > 0.0) { // If advance in src randomly varies, vary apparent length of source rnd = drand48() * dz->param[MOT_VARY]; // Range 0 to mot_vary rnd = 1.0 - rnd; // Range 1 to (1-mot_vary); gp_sampsread = (int)round((double)gp_sampsread * rnd); } if(advance_regress) { *in_upstep = (int)floor((gp_sampsread - gp_edgsmps)/cresc_cnt) * chans; *in_dnstep = (int)floor((gp_sampsread - gp_edgsmps)/decresc_cnt) * chans; } else *in_upstep = (int)floor((gp_sampsread - gp_edgsmps)/(cresc_cnt + decresc_cnt)) * chans; } smp_advance = (*in_upstep) * cresc_cnt; smp_regress = (*in_dnstep) * decresc_cnt; while(smp_advance - smp_regress < 0) { // After stepping up then down, should be back at file start *in_dnstep -= chans; // IF overshoot zero, reduce down-step by 1 gp_sample at a time, until fixed smp_regress= *in_dnstep * decresc_cnt; } } /********************************** CALCULATE_INPUTSAMPS_TO_READ_AND_LENGTH_OF_TAIL ************************************/ void calculate_inputsamps_to_read_and_length_of_tail(int *gp_eventsamps,int *gp_tail,double srate,double inner_dur,double fratio,double edge,dataptr dz) { double cliplen, eventdur; int gp_clipsamps; cliplen = inner_dur * fratio; // Actual (main) sounding part of inner-event eventdur = cliplen + (cliplen * edge); // Actual time needed in order to have required tail gp_clipsamps = (int)round(cliplen * srate); // Sample length of inner-event (without tail) *gp_eventsamps= (int)round(eventdur * srate); // Sample length of inner-event WITH tail *gp_tail = *gp_eventsamps - gp_clipsamps; // Length of event tail } /********************************* CALCULATE_MAX_READ_EVENTS_IN_ANY_ENV_PULSE ****************************************/ int calculate_max_read_events_in_any_env_pulse(int *max_cresccnt,int *max_innercnt,double *frq,double *edge,int arraysize,int *permm,int permcnt,int *gp_sampsread,dataptr dz) { int exit_status, chans = dz->infile->channels /*, done = 0, ibufno, bufcntr*/; int n, event_cnt, write_position, cresc_cnt = 0, decresc_cnt = 0, pulsesmps; double time, cresctime = 0.0, decresctime = 0.0, srate = (double)dz->infile->srate; double *mot_sym = dz->parray[0], *mot_symrnd = dz->parray[1], *mot_dur = dz->parray[3], *mot_frnd = dz->parray[5]; double *mot_jit = dz->parray[6], *mot_trem = dz->parray[7]; double outer_dur, rnd, real_outer_dur, sym, symrnd, frnd, jit, trem; // float *ebuf , *obuf; // ebuf = dz->sampbuf[dz->inbufcnt]; // obuf = dz->sampbuf[dz->inbufcnt+1]; time = 0.0; write_position = 0; while(time < dz->param[MOT_DUR]) { // Until we have generated the required output duration event_cnt = 0; // LOCATE POSITION AND END-TIMES OF ALL LARGE-PULSES FITTING WITHIN CURRENT BUFFER while(write_position < dz->buflen) { // Find all large-pulses FITTING IN A BUFFER if(event_cnt >= arraysize) { sprintf(errstr,"Array overrun storing pulse start and end times in buffer.\n"); return PROGRAM_ERROR; } // Store sample-time of start of large-pulse // Find parameters for internal-events inside each of envelope-pulse if((exit_status = read_values_from_all_existing_brktables(time,dz))<0) return exit_status; mot_sym[event_cnt] = dz->param[MOT_SYM]; mot_symrnd[event_cnt] = dz->param[MOT_SYMRND]; *frq = dz->param[MOT_FRQ]; *edge = dz->param[MOT_EDGE]; // Find step between envelope-pulses, and actual sounding-end of envelope-pulse outer_dur = dz->param[MOT_PULSE]; // Find actual duration of large-pulse, modifying it, if randomised if(dz->param[MOT_PRND] > 0.0) { rnd = (drand48() * 2.0) - 1.0; // Range -1 to 1 rnd *= dz->param[MOT_PRND]; // Range -r to + r rnd += 1.0; // Range 1-r to 1+r outer_dur *= rnd; outer_dur = max(outer_dur,2.0/dz->param[MOT_FRQ]); // Outer-Pulse cannot be shorter than 2 inner_pulses } real_outer_dur = outer_dur * dz->param[MOT_PRATIO];// If pulse does NOT sound for all its duration, find actual end of sound-write real_outer_dur = max(outer_dur,2.0/dz->param[MOT_FRQ]); // Outer-Pulse cannot be shorter than 2 inner_pulses mot_dur[event_cnt] = real_outer_dur; // and store it pulsesmps = (int)round(outer_dur * srate) * chans; event_cnt++; // Advance event-counter to next event write_position += pulsesmps; // Advance write-position in output buffer. time += outer_dur; // Advance time for next brktable-read if(time >= dz->param[MOT_DUR]) { // If this large-pulse event runs over required total-duration-of-output, // done = 1; // flag to quit, once inner-events have been generated break; // and break (so no further envel-pulses generated). } } // NOW PSEUDO-GENERATE THE INNER EVENTS INSIDE THE LARGE-PULSES for(n = 0; n param[MOT_VARY] > 0.0) rnd = drand48(); if(jit != 0.0) rnd = drand48(); if(dz->mode >= 6) rnd = drand48(); // USE ANY RAND FUNCTIONS THAT MAY BE USED IN GENERATING THE EVENTS IN THE CRESC PART OF ENVELOPE for(n = 0; n < cresc_cnt;n++) { if(trem > 0.0) rnd = drand48(); if(frnd > 0.0) rnd = drand48(); } // USE ANY RAND FUNCTIONS THAT MAY BE USED IN GENERATING THE EVENTS IN THE DECRESC PART OF ENVELOPE for(n = 0; n < decresc_cnt;n++) { if(trem > 0.0) rnd = drand48(); if(frnd > 0.0) rnd = drand48(); } } write_position -= dz->buflen; // Reset position of write in buffer. } return FINISHED; } /**************************** HANDLE_THE_SPECIAL_DATA ****************************/ int handle_the_special_data(char *str,int *max_gp_seg,dataptr dz) { int done = 0, outcnt, n, m; double dummy = 0.0, lasttime, maxsegdur, srate = (double)dz->infile->srate; double splicedur = MOT_SPLICE * MS_TO_SECS; double dblsplicedur = splicedur * 2; double overlap = (MOT_DOVE + MOT_SPLICE) * MS_TO_SECS; FILE *fp; int cnt = 0, linecnt; char temp[800], *p; if((fp = fopen(str,"r"))==NULL) { sprintf(errstr,"Cannot open file %s to read times.\n",str); return(DATA_ERROR); } linecnt = 0; lasttime = -1.0; while(fgets(temp,200,fp)!=NULL) { p = temp; while(isspace(*p)) p++; if(*p == ';' || *p == ENDOFSTR) // Allow comments in file continue; while(get_float_from_within_string(&p,&dummy)) { if(cnt == 0) { if(dummy <= dblsplicedur) { sprintf(errstr,"Invalid time (%lf) (closer to start than 2 splicedurs = %.3lf) at line %d in file %s.\n",dummy,dblsplicedur,linecnt+1,str); return(DATA_ERROR); } } else if(dummy <= lasttime + dblsplicedur) { sprintf(errstr,"Times (%lf & %lf) not increasing by 2 splicedurs (%.3lf) line %d in file %s.\n",lasttime, dummy,dblsplicedur,linecnt,str); return(DATA_ERROR); } else if(dummy >= dz->duration - dblsplicedur) { fprintf(stdout,"WARNING: Time (%lf) too near or beyond end of source-file, at line %d in file %s.\n",dummy,linecnt+1,str); fprintf(stdout,"WARNING: Ignoring data at and after this time.\n"); fflush(stdout); done = 1; break; } lasttime = dummy; cnt++; } if(done) break; linecnt++; } if(cnt == 0) { sprintf(errstr,"No valid data found in file %s.\n",str); return(DATA_ERROR); } dz->itemcnt = cnt; outcnt = (dz->itemcnt + 1) * 2; // Slice times expanded into edit-time-pairs in source if((dz->parray = (double **)malloc(11 * sizeof(double *)))==NULL) { sprintf(errstr,"INSUFFICIENT MEMORY to create time-data storage. (1)\n"); return(MEMORY_ERROR); } if((dz->parray[10] = (double *)malloc(outcnt * sizeof(double)))==NULL) { sprintf(errstr,"INSUFFICIENT MEMORY to create time-data storage. (2)\n"); return(MEMORY_ERROR); } fseek(fp,0,0); cnt = 0; done = 0; while(fgets(temp,200,fp)!=NULL) { p = temp; while(isspace(*p)) p++; if(*p == ';' || *p == ENDOFSTR) // Allow comments in file continue; while(get_float_from_within_string(&p,&dummy)) { dz->parray[10][cnt] = dummy; if(++cnt >= dz->itemcnt) { done = 1; break; } } if(done) break; } dz->parray[10][outcnt-1] = dz->duration; for(n=outcnt-2,m = dz->itemcnt-1; m >= 0; n-=2,m--) { dz->parray[10][n] = dz->parray[10][m] - overlap; dz->parray[10][n-1] = dz->parray[10][m] + overlap; } dz->parray[10][n] = 0.0; // orig storage 0 1 2 3 // prog vals A B C D // final storage 0 1 2 3 4 5 6 7 8 9 // final vals 0 A+ -A B+ B- C+ C- D+ D- dur dz->itemcnt = outcnt/2; // dz->itemcnt is now the number of cut segments maxsegdur = 0.0; for(n=0,m=0;n < dz->itemcnt;n++,m+=2) maxsegdur = max(maxsegdur,dz->parray[10][m+1] - dz->parray[10][m]); *max_gp_seg = (int)ceil(maxsegdur * srate); fclose(fp); return FINISHED; }