/* * 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 * */ /* * Calculations for position as created as explained in text abutting the code (see param_preprocess). * either using angle-subtended to the listener, or position in apparent width of lspks at given distrance. * * However, panning was more effective when extended to an extra loudspeaker, * So what really happens is that the original panning procedures are followed, * but, with approaching motion, to the lspkr BEFORE the focus (goal) of the movement * (or, with receding motion, from the lspkr AFTER the focus (start) of the movement) * And then extended to the goal lspkr by steps equal to the largest step used in the calculated motion. */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #define SIGNAL_TO_LEFT (0) #define SIGNAL_TO_RIGHT (1) #define ROOT2 (1.4142136) #define RECEDE 0 #define LEFT 1 #define EXTEND 2 #define EXTENSION ringsize #ifdef unix #define round(x) lround((x)) #endif char errstr[2400]; int anal_infiles = 1; int sloom = 0; int sloombatch = 0; const char* cdp_version = "7.1.0"; //CDP LIB REPLACEMENTS static int setup_tangent_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_tangent_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 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 tangent(dataptr dz); static void pancalc(double position,double *leftgain,double *rightgain); static int tangent_param_preprocess(dataptr dz); static int store_the_filename(char *filename,dataptr dz); static int store_the_further_filename(int n,char *filename,dataptr dz); static int read_input_sndfiles_list(char *filename,dataptr dz); static int allocate_the_filespace(dataptr dz); /**************************************** MAIN *********************************************/ int main(int argc,char *argv[]) { int exit_status; dataptr dz = NULL; char **cmdline; int cmdlinecnt, n; //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 = 8; 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_tangent_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_tangent_param_ranges_and_defaults(dz))<0) { exit_status = print_messages_and_close_sndfiles(exit_status,is_launched,dz); return(FAILED); } dz->all_words = 0; dz->ifd[0] = -1; switch(dz->process) { case(TAN_ONE) : // 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); } if((exit_status = store_the_filename(cmdline[0],dz))<0) return(exit_status); cmdlinecnt--; cmdline++; break; case(TAN_TWO) : case(TAN_SEQ) : if((exit_status = open_first_infile(cmdline[0],dz))<0) { print_messages_and_close_sndfiles(exit_status,is_launched,dz); return(FAILED); } if((exit_status = store_the_filename(cmdline[0],dz))<0) return(exit_status); cmdlinecnt--; cmdline++; for(n=1;ninfilecnt;n++) { if((exit_status = handle_other_infile(n,cmdline[0],dz))<0) { sprintf(errstr,"Possibly too many parameters on commandline.\n"); print_messages_and_close_sndfiles(exit_status,is_launched,dz); return(FAILED); } sndcloseEx(dz->ifd[n]); dz->ifd[n] = -1; if((exit_status = store_the_further_filename(dz->all_words,cmdline[0],dz))<0) return(exit_status); cmdlinecnt--; cmdline++; } break; case(TAN_LIST) : if((exit_status = read_input_sndfiles_list(cmdline[0],dz))<0) { print_messages_and_close_sndfiles(exit_status,is_launched,dz); return(FAILED); } cmdlinecnt--; cmdline++; break; } if(dz->ifd[0] >= 0) { sndcloseEx(dz->ifd[0]); dz->ifd[0] = -1; } // handle_extra_infiles() : redundant // 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() redundant 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 is_launched = TRUE; // create_sndbufs()) redundant if((exit_status = tangent_param_preprocess(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 = tangent(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); } } strcpy(dz->outfilename,filename); p = dz->outfilename; while(*p != ENDOFSTR) { if(*p == '.') { *p = ENDOFSTR; break; } p++; } strcat(dz->outfilename,".mmx"); (*cmdline)++; (*cmdlinecnt)--; return(FINISHED); } /************************ OPEN_THE_OUTFILE *********************/ int open_the_outfile(dataptr dz) { int exit_status; dz->infile->channels = 8; 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_TANGENT_APPLICATION *******************/ int setup_tangent_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->process) { case(TAN_ONE): exit_status = set_param_data(ap,0 ,5,4,"didd0"); break; case(TAN_TWO): exit_status = set_param_data(ap,0 ,5,5,"diddd"); break; case(TAN_SEQ): case(TAN_LIST): exit_status = set_param_data(ap,0 ,5,3,"d0dd0"); break; } if(exit_status < 0) return(exit_status); switch(dz->mode) { case(0): exit_status = set_vflgs(ap,"fjs",3,"iDd","rl",2,0,"00"); break; case(1): exit_status = set_vflgs(ap,"fj",2,"iD","rl",2,0,"00"); break; } if(exit_status < 0) return(exit_status); // set_legal_infile_structure --> dz->has_otherfile = FALSE; // assign_process_logic --> switch(dz->process) { case(TAN_ONE): dz->input_data_type = SNDFILES_ONLY; break; case(TAN_TWO): dz->input_data_type = TWO_SNDFILES; break; case(TAN_SEQ): dz->input_data_type = MANY_SNDFILES; break; case(TAN_LIST): dz->input_data_type = SNDLIST_ONLY; break; } dz->process_type = TO_TEXTFILE; dz->outfiletype = TEXTFILE_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); } if(dz->process == TAN_LIST) { if(!(infile_info->filetype & SNDLIST)) { sprintf(errstr,"File %s is not of correct type\n",cmdline[0]); return(DATA_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 of correct type (must be 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_TANGENT_PARAM_RANGES_AND_DEFAULTS *******************/ int setup_tangent_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[TAN_DUR] = dz->duration * 2.0; ap->hi[TAN_DUR] = 32767; ap->default_val[TAN_DUR] = 8; if(dz->process == TAN_ONE || dz->process == TAN_TWO) { ap->lo[TAN_STEPS] = 2; ap->hi[TAN_STEPS] = 32767; ap->default_val[TAN_STEPS] = 24; } if(dz->mode == 0) { ap->lo[TAN_MANG] = 90; ap->hi[TAN_MANG] = 135; ap->default_val[TAN_MANG] = 130; } else { ap->lo[TAN_SKEW] = 0; ap->hi[TAN_SKEW] = 1; ap->default_val[TAN_SKEW] = .75; } ap->lo[TAN_DEC] = 0; ap->hi[TAN_DEC] = 1; ap->default_val[TAN_DEC] = .9; if(dz->process == TAN_TWO) { ap->lo[TAN_FBAL] = 0; ap->hi[TAN_FBAL] = 1; ap->default_val[TAN_FBAL] = .9; } ap->lo[TAN_FOCUS] = 1; ap->hi[TAN_FOCUS] = 8; ap->default_val[TAN_FOCUS] = 1; ap->lo[TAN_JITTER] = 0; ap->hi[TAN_JITTER] = 1; ap->default_val[TAN_JITTER] = 0; if(dz->mode == 0) { ap->lo[TAN_SLOW] = 0; ap->hi[TAN_SLOW] = 1; ap->default_val[TAN_SLOW] = 0.5; } dz->maxmode = 8; 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_tangent_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) { fprintf(stdout, "\nCREATE TANGENT MOTION TO OR FROM 8-CHANNEL RING\n\n" "USAGE: tangent NAME mode infile(s) outfile parameters: \n" "\n" "where NAME can be any one of\n" "\n" "onefile twofiles sequence list\n\n" "Type 'tangent onefile' for more info on tangent onefile..ETC.\n"); return(USAGE_ONLY); } /************************************* TANGENT_PARAM_PREPROCESS *********************************/ int tangent_param_preprocess(dataptr dz) { int stepcnt; double *lens, *angles; double rightangle = PI/2.0, maxangle = 0.0, tangentlen, linear_steplen, sum_of_angles, angle, newtotlen; int steps_betwixt_12, n, m; double direct_steplen, subtended_steplen; if(dz->mode==0) { dz->param[TAN_MANG] -= 45.0; // If motion starts at centre (lspkr 1) if(dz->param[TAN_MANG] < 46.0) // max angle value lies between lspkrs 3 & 4 (90 and 135) dz->param[TAN_MANG] = 46.0; // We do the calulation AS IF we're starting at lspkr 2 if(dz->param[TAN_MANG] > 89.0) // So the maxangle is between 45 and 90 dz->param[TAN_MANG] = 89.0; // Force end of motion to be between lspkrs 3 & 4 } if(dz->process == TAN_SEQ || dz->process == TAN_LIST) stepcnt = dz->infilecnt; else stepcnt = dz->iparam[TAN_STEPS]; dz->array_cnt = 1; if((dz->parray = (double **)malloc(dz->array_cnt * sizeof(double *)))==NULL) { sprintf(errstr,"INSUFFICIENT MEMORY to create segment lengths arrays.\n"); return(MEMORY_ERROR); } if((dz->parray[0] = (double *)malloc((stepcnt + 1) * sizeof(double)))==NULL) { sprintf(errstr,"INSUFFICIENT MEMORY to store segment lengths.\n"); return(MEMORY_ERROR); } lens = dz->parray[0]; angles = lens; // Same object used: naming for code clarity. if(dz->mode == 0) { maxangle = dz->param[TAN_MANG] * PI/180.0; // assuming circle radius = 1 // __________tangentlen______________ tangentlen = tan(maxangle); // | __/ linear_steplen = tangentlen/stepcnt; // |\ _________/ sum_of_angles = 0.0; // 1|maxangle _________/ // | __\_____/ // |/ for(n=1;n<=stepcnt;n++) { angle = rightangle - sum_of_angles - atan(1/(linear_steplen * n)); angles[n-1] = angle; sum_of_angles += angle; } if(!flteq(dz->param[TAN_SLOW],1.0)) { sum_of_angles = 0.0; for(n=0;nparam[TAN_SLOW]); sum_of_angles += angles[n]; } } // x x x // ------ ------|------ // | . | . . // steps are now made equivalent to // | . | . . // subtended angles // | a . (s=0) | s . a . newtotlen = 0; // 1| . 1| . . for(n=0;nparam[TAN_SKEW])); direct_steplen = 1.0/(double)steps_betwixt_12; // \___x_\__x__\/ / // \ \ / / At every step (y), // \ \ / / Width subtended by lspkrs for(n=0;nEXTENSION = max(1,(int)floor(1.0/lens[0])); // Makes steps in extension >= to maximum previous step if(dz->vflag[LEFT]) { dz->iparam[TAN_FOCUS]--; if(dz->iparam[TAN_FOCUS] < 1) // Move the focus of the movement calculated above to the previous lspkr dz->iparam[TAN_FOCUS] = 8; // Then add the extension, } else { // taking the complete path to the dz->iparam[TAN_FOCUS]++; // original FOCUS loudspeaker if(dz->iparam[TAN_FOCUS] > 8) dz->iparam[TAN_FOCUS] = 1; } return (FINISHED); } /************************************ PANCALC *******************************/ void pancalc(double position,double *leftgain,double *rightgain) { int dirflag; double temp; double relpos; double reldist, invsquare; if(position < 0.0) dirflag = SIGNAL_TO_LEFT; /* signal on left */ else dirflag = SIGNAL_TO_RIGHT; if(position < 0) relpos = -position; else relpos = position; if(relpos <= 1.0){ /* between the speakers */ temp = 1.0 + (relpos * relpos); reldist = ROOT2 / sqrt(temp); temp = (position + 1.0) / 2.0; *rightgain = temp * reldist; *leftgain = (1.0 - temp ) * reldist; } else { /* outside the speakers */ temp = (relpos * relpos) + 1.0; reldist = sqrt(temp) / ROOT2; /* relative distance to source */ invsquare = 1.0 / (reldist * reldist); if(dirflag == SIGNAL_TO_LEFT){ *leftgain = invsquare; *rightgain = 0.0; } else { /* SIGNAL_TO_RIGHT */ *rightgain = invsquare; *leftgain = 0; } } } /********************************************************************************************/ int get_the_process_no(char *prog_identifier_from_cmdline,dataptr dz) { if(!strcmp(prog_identifier_from_cmdline,"onefile")) dz->process = TAN_ONE; else if(!strcmp(prog_identifier_from_cmdline,"twofiles")) dz->process = TAN_TWO; else if(!strcmp(prog_identifier_from_cmdline,"sequence")) dz->process = TAN_SEQ; else if(!strcmp(prog_identifier_from_cmdline,"list")) dz->process = TAN_LIST; 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,"onefile")) { fprintf(stdout, "USAGE: tangent onefile\n" " 1 infile outf dur steps maxangle dec [-ffoc] [-jjitter] [-sslow] [-r] [-l]\n" " 2 infile outf dur steps skew dec [-ffoc] [-jjitter] [-r] [-l]\n" "\n" "Play repets of mono sound on tangent path to (or from) 8-channel, front-centred\n" "loudspeaker array. Lspkrs numbered clockwise, starting with \"1\" at front-centre.\n" "\n" "MODE 1 For focus at 1, tangent starts along line at right-angles to lspkr 2.\n" "MODE 2 For focus at 1 tangent starts along line formed by lspkrs 2 and 3.\n" "\n" "DUR Duration of output file.\n" "STEPS Count of events in tangent stream (Modes 1-4 only).\n" " Note that in ALL modes, in the part of the stream closest to the focus\n" " SAME initial (receding) or final (approaching) event is repeated,\n" " and these repeated events are ADDITIONAL to this step-count.\n" "MAXANGLE (Mode 1) Motion between 3 lspkr pairs (e.g. 1-2, 2-3, 3-4)\n" " Max angle of rotation of motion lies between 3rd pair ( 90 to 135 ).\n" " (lsprks 3-4 in the example)\n" "SKEW (Mode 2) Motion between 3 lspkr pairs (e.g. 1-2, 2-3, 3-4)\n" " Skew is ratio (0-1) of time spent between last pair & penultimate pair\n" " (lspkr pairs 3-4 and 2-3, in the example)\n" "DEC Loudness decimation on passing from one event to the next.\n" "FOC Focal lpskr to or from which motion takes place (default, front centre).\n" "JITTER Randomisation of event timings (0-1, default 0) Can vary over time.\n" "SLOW Slow (or speed up) the pan-motion acceleration (default 0.5).\n" " Smaller values make stream arrive more slowly at goal.\n" " For approaching motion, 0.5 makes arrival not too fast.\n" " For receding motion, 1.0, makes initial motion rapid.\n" "-r Sounds RECEDE (default, sound approaches)\n" "-l Motion to or from LEFT of focal lspkr (default: to or from right).\n"); } else if(!strcmp(str,"twofiles")) { fprintf(stdout, "USAGE: tangent twofiles\n" " 1 inf1 inf2 outf dur steps maxangle dec bal [-ffoc] [-jjitter] [-sslow] [-r] [-l]\n" " 2 inf1 inf2 outf dur steps skew dec bal [-ffoc] [-jjitter] [-r] [-l]\n" "\n" "Play two syncd mono sounds on tangent path to (or from) 8-channel, front-centred\n" "loudspeaker array. Lspkrs numbered clockwise, starting with \"1\" at front-centre.\n" "Output begins with 1st input sound, then gradually mixes in second input sound.\n" "If one sound is a filtered version of the other, suggesting greater distance,\n" "For an approaching sequence, put filtered sound as sound 1\n" "but for a receding sequence, put filtered sound as sound 2.\n" "\n" "MODE 1 For focus at 1, tangent starts along line at right-angles to lspkr 2.\n" "MODE 2 For focus at 1 tangent starts along line formed by lspkrs 2 and 3.\n" "\n" "DUR Duration of output file.\n" "STEPS Count of events in tangent stream (Modes 1-4 only).\n" " Note that in ALL modes, in the part of the stream closest to the focus\n" " SAME initial (receding) or final (approaching) event is repeated,\n" " and these repeated events are ADDITIONAL to this step-count.\n" "MAXANGLE (Mode 1) Motion between 3 lspkr pairs (e.g. 1-2, 2-3, 3-4)\n" " Max angle of rotation of motion lies between 3rd pair ( 90 to 135 ).\n" " (lsprks 3-4 in the example)\n" "SKEW (Mode 2) Motion between 3 lspkr pairs (e.g. 1-2, 2-3, 3-4)\n" " Skew is ratio (0-1) of time spent between last pair & penultimate pair\n" " (lspkr pairs 3-4 and 2-3, in the example)\n" "DEC Loudness decimation on passing from one event to the next.\n" "BAL Progressive accumulation of 2nd sound in mix.\n" "FOC Focal lpskr to or from which motion takes place (default, front centre).\n" "JITTER Randomisation of event timings (0-1, default 0) Can vary over time.\n" "SLOW Slow (or speed up) the pan-motion acceleration (default 0.5).\n" " Smaller values make stream arrive more slowly at goal.\n" " For approaching motion, 0.5 makes arrival not too fast.\n" " For receding motion, 1.0, makes initial motion rapid.\n" "-r Sounds RECEDE (default, sound approaches)\n" "-l Motion to or from LEFT of focal lspkr (default: to or from right).\n"); } else if(!strcmp(str,"sequence")) { fprintf(stdout, "USAGE: tangent sequence\n" " 1 file1 file2 [file3..] outf dur maxangle dec [-ffoc] [-jjitter] [-sslow] [-r] [-l]\n" " 2 file1 file2 [file3..] outf dur skew dec [-ffoc] [-jjitter] [-r] [-l]\n" "\n" "Play sequence of mono sounds on tangent path to (or from) 8-channel, front-centred\n" "loudspeaker array. Lspkrs numbered clockwise, starting with \"1\" at front-centre.\n" "\n" "MODE 1 For focus at 1, tangent starts along line at right-angles to lspkr 2.\n" "MODE 2 For focus at 1 tangent starts along line formed by lspkrs 2 and 3.\n" "\n" "DUR Duration of output file.\n" "MAXANGLE (Mode 1) Motion between 3 lspkr pairs (e.g. 1-2, 2-3, 3-4)\n" " Max angle of rotation of motion lies between 3rd pair ( 90 to 135 ).\n" " (lsprks 3-4 in the example)\n" "SKEW (Mode 2) Motion between 3 lspkr pairs (e.g. 1-2, 2-3, 3-4)\n" " Skew is ratio (0-1) of time spent between last pair & penultimate pair\n" " (lspkr pairs 3-4 and 2-3, in the example)\n" "DEC Loudness decimation on passing from one event to the next.\n" "FOC Focal lpskr to or from which motion takes place (default, front centre).\n" "JITTER Randomisation of event timings (0-1, default 0) Can vary over time.\n" "SLOW Slow (or speed up) the pan-motion acceleration (default 0.5).\n" " Smaller values make stream arrive more slowly at goal.\n" " For approaching motion, 0.5 makes arrival not too fast.\n" " For receding motion, 1.0, makes initial motion rapid.\n" "-r Sounds RECEDE (default, sound approaches)\n" "-l Motion to or from LEFT of focal lspkr (default: to or from right).\n"); } else if(!strcmp(str,"list")) { fprintf(stdout, "USAGE: tangent list\n" " 1 textfile outf dur maxangle dec [-ffoc] [-jjitter] [-sslow] [-r] [-l]\n" " 2 textfile outf dur skew dec [-ffoc] [-jjitter] [-r] [-l]\n" "\n" "Play sequence of mono sounds (listed in the textfile) on tangent path to (or from)\n" "8-channel front-centred lspkr array, numbered clockwise, from \"1\" at front-centre.\n" "\n" "MODE 1 For focus at 1, tangent starts along line at right-angles to lspkr 2.\n" "MODE 2 For focus at 1 tangent starts along line formed by lspkrs 2 and 3.\n" "\n" "DUR Duration of output file.\n" "MAXANGLE (Mode 1) Motion between 3 lspkr pairs (e.g. 1-2, 2-3, 3-4)\n" " Max angle of rotation of motion lies between 3rd pair ( 90 to 135 ).\n" " (lsprks 3-4 in the example)\n" "SKEW (Mode 2) Motion between 3 lspkr pairs (e.g. 1-2, 2-3, 3-4)\n" " Skew is ratio (0-1) of time spent between last pair & penultimate pair\n" " (lspkr pairs 3-4 and 2-3, in the example)\n" "DEC Loudness decimation on passing from one event to the next.\n" "FOC Focal lpskr to or from which motion takes place (default, front centre).\n" "JITTER Randomisation of event timings (0-1, default 0) Can vary over time.\n" "SLOW Slow (or speed up) the pan-motion acceleration (default 0.5).\n" " Smaller values make stream arrive more slowly at goal.\n" " For approaching motion, 0.5 makes arrival not too fast.\n" " For receding motion, 1.0, makes initial motion rapid.\n" "-r Sounds RECEDE (default, sound approaches)\n" "-l Motion to or from LEFT of focal lspkr (default: to or from right).\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); } /******************************** TANGENT ********************************/ int tangent(dataptr dz) { int exit_status; char temp[400], temp2[400], temp3[400], temp4[400]; int stepcnt; int lspkr = 1, rspkr = 2, n, m, swapped = 0; double dur = dz->param[TAN_DUR], thistime, thispos = 0.0, pos, leftgain = 0.0, rightgain = 0.0; double timestep, extstep, maxangle = 0.0, gain = 1.0, fbal = 1.0, thisgain, rightangle = PI/2.0, time, jitter; double *lens = dz->parray[0]; thistime = 0.0; if(dz->process == TAN_SEQ || dz->process == TAN_LIST) stepcnt = dz->infilecnt; else stepcnt = dz->iparam[TAN_STEPS]; timestep = dur/(double)(stepcnt + dz->EXTENSION); sprintf(temp3,"%s",dz->wordstor[0]); sprintf(temp,"8\n"); if(fputs(temp,dz->fp) < 0) { sprintf(errstr,"Error writing to output data file\n"); return(PROGRAM_ERROR); } if(dz->process == TAN_TWO) sprintf(temp4,"%s",dz->wordstor[1]); if(dz->mode==0) maxangle = dz->param[TAN_MANG] * PI/180.0; if(dz->vflag[RECEDE]) { // If receeding thispos = 0.0; // Start at closest approach // Create PRE-extension to next lspkr at full level and equal steps if(dz->vflag[LEFT]) { lspkr = dz->iparam[TAN_FOCUS] + 1; if(lspkr > 8) lspkr = 1; rspkr = lspkr - 1; if(rspkr < 1) rspkr = 8; } else { lspkr = dz->iparam[TAN_FOCUS] - 1; if(lspkr < 1) lspkr = 8; rspkr = lspkr + 1; if(rspkr > 8) rspkr = 1; } extstep = 1.0/dz->EXTENSION; for(n = 0;n < dz->EXTENSION;n++) { time = thistime; if(time > 0.0) { if(dz->brksize[TAN_JITTER]) { if((exit_status = read_value_from_brktable(thistime,TAN_JITTER,dz))<0) return(exit_status); } if(dz->param[TAN_JITTER] > 0.0) { jitter = (drand48() * 2.0) - 1.0; jitter *= dz->param[TAN_JITTER]; jitter *= timestep/2.0; time += jitter; } } pos = (thispos * 2.0) - 1.0; // Convert to -1 to 1 format pancalc(pos,&leftgain,&rightgain); strcpy(temp,temp3); // NB Modes 4 & 5 retain initial sound event during extension strcat(temp," "); sprintf(temp2,"%lf",time); strcat(temp,temp2); strcat(temp," 1 1:"); sprintf(temp2,"%d",lspkr); strcat(temp,temp2); strcat(temp," "); sprintf(temp2,"%lf",leftgain); strcat(temp,temp2); strcat(temp," 1:"); sprintf(temp2,"%d",rspkr); strcat(temp,temp2); strcat(temp," "); sprintf(temp2,"%lf",rightgain); strcat(temp,temp2); strcat(temp,"\n"); if(fputs(temp,dz->fp) < 0) { sprintf(errstr,"Error writing to output data file\n"); return(PROGRAM_ERROR); } thistime += timestep; thispos += extstep; } // Now do the tangent motion fbal = 1.0; gain = 1.0; thispos = 0.0; // Start at closest approach lspkr = dz->iparam[TAN_FOCUS]; // on closest lspkrs if(dz->vflag[LEFT]) { rspkr = lspkr - 1; if(rspkr < 1) rspkr = 8; } else { rspkr = lspkr + 1; if(rspkr > 8) rspkr = 1; } for(n=0;n 1) { if(!swapped) { // If JUST Reached lspkrs 1 lspkr = rspkr; // Reposition between lskprs 1 & 2 if(dz->vflag[LEFT]) { rspkr = lspkr - 1; if(rspkr < 1) rspkr = 8; } else { rspkr = lspkr + 1; if(rspkr > 8) rspkr = 1; } swapped = 1; } pos = ((thispos - 1) * 2.0) - 1.0; // Convert to -1 to 1 format } else pos = (thispos * 2.0) - 1.0; // Convert to -1 to 1 format time = thistime; if(time > 0.0) { if(dz->brksize[TAN_JITTER]) { if((exit_status = read_value_from_brktable(thistime,TAN_JITTER,dz))<0) return(exit_status); } if(dz->param[TAN_JITTER] > 0.0) { jitter = (drand48() * 2.0) - 1.0; jitter *= dz->param[TAN_JITTER]; jitter *= timestep/2.0; time += jitter; } } thisgain = gain; if(dz->process == TAN_TWO) thisgain *= fbal; pancalc(pos,&leftgain,&rightgain); if(dz->process == TAN_SEQ || dz->process == TAN_LIST) // For multifile processes, change filename for each event sprintf(temp3,"%s",dz->wordstor[n]); strcpy(temp,temp3); strcat(temp," "); sprintf(temp2,"%lf",time); strcat(temp,temp2); strcat(temp," 1 1:"); sprintf(temp2,"%d",lspkr); strcat(temp,temp2); strcat(temp," "); sprintf(temp2,"%lf",leftgain * thisgain); strcat(temp,temp2); strcat(temp," 1:"); sprintf(temp2,"%d",rspkr); strcat(temp,temp2); strcat(temp," "); sprintf(temp2,"%lf",rightgain * thisgain); strcat(temp,temp2); strcat(temp,"\n"); if(fputs(temp,dz->fp) < 0) { sprintf(errstr,"Error writing to output data file\n"); return(PROGRAM_ERROR); } if(dz->process == TAN_TWO) { thisgain = gain; thisgain *= max(0.0,1.0 - fbal); strcpy(temp,temp4); // Mix in filtered version of file strcat(temp," "); sprintf(temp2,"%lf",time); strcat(temp,temp2); strcat(temp," 1 1:"); sprintf(temp2,"%d",lspkr); strcat(temp,temp2); strcat(temp," "); sprintf(temp2,"%lf",leftgain * thisgain); strcat(temp,temp2); strcat(temp," 1:"); sprintf(temp2,"%d",rspkr); strcat(temp,temp2); strcat(temp," "); sprintf(temp2,"%lf",rightgain * thisgain); strcat(temp,temp2); strcat(temp,"\n"); if(fputs(temp,dz->fp) < 0) { sprintf(errstr,"Error writing to output data file\n"); return(PROGRAM_ERROR); } } thistime += timestep; // Time of next segment gain *= dz->param[TAN_DEC]; if(dz->process == TAN_TWO) fbal *= dz->param[TAN_FBAL]; } } else { // If approaching if(dz->mode==1) thispos = 2.0; else // Start at max distance thispos = (maxangle/rightangle) * 2; if(dz->vflag[LEFT]) { lspkr = dz->iparam[TAN_FOCUS] - 1; // on furthest lspkrs if(lspkr < 1) lspkr = 8; rspkr = lspkr - 1; if(rspkr < 1) rspkr = 8; } else { lspkr = dz->iparam[TAN_FOCUS] + 1; // on furthest lspkrs if(lspkr > 8) lspkr = 1; rspkr = lspkr + 1; if(rspkr > 8) rspkr = 1; } gain = pow(dz->param[TAN_DEC],(stepcnt - 1)); dz->param[TAN_DEC] = 1.0/dz->param[TAN_DEC]; if(dz->process == TAN_TWO) { fbal = pow(dz->param[TAN_FBAL],(stepcnt - 1)); dz->param[TAN_FBAL] = 1.0/dz->param[TAN_FBAL]; } for(n=0,m = stepcnt - 1;nvflag[LEFT]) { lspkr++; // Reposition between lskprs 1 & 2 if(lspkr > 8) lspkr = 1; rspkr++; if(rspkr > 8) rspkr = 1; } else { lspkr--; // Reposition between lskprs 1 & 2 if(lspkr < 1) lspkr = 8; rspkr--; if(rspkr < 1) rspkr = 8; } swapped = 1; } pos = (thispos * 2.0) - 1.0; // Convert to -1 to 1 format } else pos = ((thispos - 1) * 2.0) - 1.0; // Convert to -1 to 1 format time = thistime; if(time > 0.0) { if(dz->brksize[TAN_JITTER]) { if((exit_status = read_value_from_brktable(thistime,TAN_JITTER,dz))<0) return(exit_status); } if(dz->param[TAN_JITTER] > 0.0) { jitter = (drand48() * 2.0) - 1.0; jitter *= dz->param[TAN_JITTER]; jitter *= timestep/2.0; time += jitter; } } thisgain = gain; if(dz->process == TAN_TWO) thisgain *= fbal; pancalc(pos,&leftgain,&rightgain); if(dz->process == TAN_SEQ || dz->process == TAN_LIST) // For multifile processes, change filename for each event sprintf(temp3,"%s",dz->wordstor[n]); strcpy(temp,temp3); strcat(temp," "); sprintf(temp2,"%lf",time); strcat(temp,temp2); strcat(temp," 1 1:"); sprintf(temp2,"%d",lspkr); strcat(temp,temp2); strcat(temp," "); sprintf(temp2,"%lf",leftgain * gain); strcat(temp,temp2); strcat(temp," 1:"); sprintf(temp2,"%d",rspkr); strcat(temp,temp2); strcat(temp," "); sprintf(temp2,"%lf",rightgain * gain); strcat(temp,temp2); strcat(temp,"\n"); if(fputs(temp,dz->fp) < 0) { sprintf(errstr,"Error writing to output data file\n"); return(PROGRAM_ERROR); } if(dz->process == TAN_TWO) { thisgain = gain; thisgain *= max(1.0 - fbal,0.0); strcpy(temp,temp4); // Mix in filtered version of file strcat(temp," "); sprintf(temp2,"%lf",time); strcat(temp,temp2); strcat(temp," 1 1:"); sprintf(temp2,"%d",lspkr); strcat(temp,temp2); strcat(temp," "); sprintf(temp2,"%lf",leftgain * thisgain); strcat(temp,temp2); strcat(temp," 1:"); sprintf(temp2,"%d",rspkr); strcat(temp,temp2); strcat(temp," "); sprintf(temp2,"%lf",rightgain * thisgain); strcat(temp,temp2); strcat(temp,"\n"); if(fputs(temp,dz->fp) < 0) { sprintf(errstr,"Error writing to output data file\n"); return(PROGRAM_ERROR); } } thispos -= lens[m]; // Position of next segment thistime += timestep; // Time of next segment gain *= dz->param[TAN_DEC]; if(dz->process == TAN_TWO) fbal *= dz->param[TAN_FBAL]; } // Create POST-extension to next lspkr at full level and equal steps if(dz->EXTENSION) { if(dz->vflag[LEFT]) { lspkr = dz->iparam[TAN_FOCUS]; rspkr = lspkr + 1; if(rspkr > 8) rspkr = 1; } else { lspkr = dz->iparam[TAN_FOCUS]; rspkr = lspkr - 1; if(rspkr < 1) rspkr = 8; } extstep = 1.0/dz->EXTENSION; thispos = extstep; for(n = 0;n < dz->EXTENSION;n++) { time = thistime; if(time > 0.0) { if(dz->brksize[TAN_JITTER]) { if((exit_status = read_value_from_brktable(thistime,TAN_JITTER,dz))<0) return(exit_status); } if(dz->param[TAN_JITTER] > 0.0) { jitter = (drand48() * 2.0) - 1.0; jitter *= dz->param[TAN_JITTER]; jitter *= timestep/2.0; time += jitter; } } pos = (thispos * 2.0) - 1.0; // Convert to -1 to 1 format pancalc(pos,&leftgain,&rightgain); strcpy(temp,temp3); // NB Modes 4 & 5 retain final sound event during extension strcat(temp," "); sprintf(temp2,"%lf",time); strcat(temp,temp2); strcat(temp," 1 1:"); sprintf(temp2,"%d",lspkr); strcat(temp,temp2); strcat(temp," "); sprintf(temp2,"%lf",leftgain); strcat(temp,temp2); strcat(temp," 1:"); sprintf(temp2,"%d",rspkr); strcat(temp,temp2); strcat(temp," "); sprintf(temp2,"%lf",rightgain); strcat(temp,temp2); strcat(temp,"\n"); if(fputs(temp,dz->fp) < 0) { sprintf(errstr,"Error writing to output data file\n"); return(PROGRAM_ERROR); } thistime += timestep; thispos = min(thispos + extstep, 1.0); } } } 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); } /****************************** STORE_THE_FILENAME *********************************/ int store_the_filename(char *filename,dataptr dz) { char *p; int k; if(dz->wordstor != NULL) { sprintf(errstr,"Cannot store filename: wordstor already allocated.\n"); return(PROGRAM_ERROR); } if((dz->wordstor = (char **)malloc(dz->infilecnt * sizeof(char *)))==NULL) { sprintf(errstr,"Cannot store filename.\n"); return(MEMORY_ERROR); } p = filename + strlen(filename); p--; while(p != filename) { if(*p == '.') { if(strcmp(p,".wav")) { sprintf(errstr,"Input file %s is not a soundfile.\n",filename); return(DATA_ERROR); } break; } p--; } if(p == filename) k = 5; else k = 1; if((dz->wordstor[0] = (char *)malloc((strlen(filename)+1) * sizeof(char)))==NULL) { sprintf(errstr,"Cannot store filename.\n"); return(MEMORY_ERROR); } if((dz->wordstor[0] = (char *)malloc((strlen(filename)+k) * sizeof(char)))==NULL) { sprintf(errstr,"Cannot store further filename.\n"); return(MEMORY_ERROR); } strcpy(dz->wordstor[0],filename); if(k==5) strcat(dz->wordstor[0],".wav"); dz->all_words++; return(FINISHED); } /****************************** STORE_THE_FURTHER_FILENAME *********************************/ int store_the_further_filename(int n,char *filename,dataptr dz) { char *p; int k; p = filename + strlen(filename); p--; while(p != filename) { if(*p == '.') { if(strcmp(p,".wav")) { sprintf(errstr,"Input file %s is not a soundfile.\n",filename); return(DATA_ERROR); } break; } p--; } if(p == filename) k = 5; else k = 1; if((dz->wordstor[n] = (char *)malloc((strlen(filename)+k) * sizeof(char)))==NULL) { sprintf(errstr,"Cannot store further filename.\n"); return(MEMORY_ERROR); } strcpy(dz->wordstor[n],filename); if(k==5) strcat(dz->wordstor[n],".wav"); dz->all_words++; return(FINISHED); } /****************************** READ_INPUT_SNDFILES_LIST ********************************* * * Ensure Files are mono * Compare properties (srate and channel-count) * Store channel-cnt and the duration. * */ int read_input_sndfiles_list(char *filename,dataptr dz) { int exit_status, n; char *p, fnam[400]; infileptr infile_info; FILE *fp; if((fp = fopen(filename,"r"))==NULL) { sprintf(errstr,"Cannot open file %s to read sonudfile names.\n",filename); return(DATA_ERROR); } dz->infilecnt = 0; while(fgets(fnam,200,fp)!=NULL) { p = fnam; while(isspace(*p)) p++; if(*p == ';') // Allow comments in file continue; dz->infilecnt++; } if(dz->infilecnt <= 0) { sprintf(errstr,"No data found in file %s\n",filename); return(DATA_ERROR); } dz->infile->filetype = SNDFILE; dz->input_data_type = MANY_SNDFILES; if((exit_status = allocate_the_filespace(dz))<0) return(exit_status); fseek(fp,0,0); n = 0; while(fgets(fnam,200,fp)!=NULL) { p = fnam; while(isspace(*p)) p++; if(*p == ';') // Allow comments in file continue; p = fnam + strlen(fnam); // Remove newline character p--; while(p != fnam) { if(*p == '\n') { *p = ENDOFSTR; break; } p--; } if(n == 0) { if((exit_status = open_first_infile(fnam,dz))<0) return exit_status; if((infile_info = (infileptr)malloc(sizeof(struct filedata)))==NULL) { sprintf(errstr,"INSUFFICIENT MEMORY for infile structure to test TK data."); return(MEMORY_ERROR); } if((exit_status = cdparse(fnam,infile_info))<0) return(exit_status); if(infile_info->channels != MONO) { sprintf(errstr,"Process only works with mono input files."); return(DATA_ERROR); } dz->infile->srate = infile_info->srate; dz->infile->channels = infile_info->channels; dz->duration = infile_info->duration; if((exit_status = store_the_filename(fnam,dz))<0) return(exit_status); } else { if((exit_status = handle_other_infile(n,fnam,dz))<0) return exit_status; sndcloseEx(dz->ifd[n]); dz->ifd[n] = -1; if((exit_status = store_the_further_filename(dz->all_words,fnam,dz))<0) return(exit_status); } n++; } fclose(fp); if(dz->ifd[0] >= 0) { sndcloseEx(dz->ifd[0]); dz->ifd[0] = -1; } return FINISHED; } /************************ ALLOCATE_THE_FILESPACE *********************/ int allocate_the_filespace(dataptr dz) { int n; if((dz->ifd = (int *)malloc(dz->infilecnt * sizeof(int)))==NULL) { sprintf(errstr,"INSUFFICIENT MEMORY for infile poniters array.\n"); return(MEMORY_ERROR); } if((dz->insams = (int *)malloc(dz->infilecnt * sizeof(int)))==NULL) { sprintf(errstr,"INSUFFICIENT MEMORY for infile-sampsize array.\n"); return(MEMORY_ERROR); } for(n=0;ninfilecnt;n++) { dz->ifd[n] = -1; dz->insams[n] = 0L; } return(FINISHED); }