/* * 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 * */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #ifdef unix #define round(x) lround((x)) #endif char errstr[2400]; #define maxinseg rampbrksize #define maxoutseg temp_sampsize #define splicelen ringsize #define warned zeroset #define hastail fzeroset #define notailanywhere is_mapping #define SAFETY 4 int anal_infiles = 1; int sloom = 0; int sloombatch = 0; const char* cdp_version = "7.0.1"; //CDP LIB REPLACEMENTS static int setup_crumble_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_crumble_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 check_crumble_param_validity_and_consistency(dataptr dz); static int create_crumble_sndbufs(dataptr dz); static void shuflup(int *perm,int permsize,int k); static void prefix(int *perm,int permsize,int n); static void insert(int *perm,int permsize,int n,int t); static void doperm(int *perm,int permsize,int *lastperm,int *lastperm2); static int crumble(dataptr dz); /**************************************** MAIN *********************************************/ int main(int argc,char *argv[]) { int exit_status; dataptr dz = NULL; char **cmdline; int cmdlinecnt; int 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 = 2; 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_crumble_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_crumble_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() : 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 .... if((exit_status = check_crumble_param_validity_and_consistency(dz))<0) { print_messages_and_close_sndfiles(exit_status,is_launched,dz); return(FAILED); } is_launched = TRUE; dz->bufcnt = 5; 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; // create_sndbufs ..... if((exit_status = create_crumble_sndbufs(dz))<0) { print_messages_and_close_sndfiles(exit_status,is_launched,dz); return(FAILED); } //param_preprocess() redundant //spec_process_file = if((exit_status = open_the_outfile(dz))<0) { print_messages_and_close_sndfiles(exit_status,is_launched,dz); return(FAILED); } if((exit_status = crumble(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 malloc changed to calloc; helps debug version 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]; 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); (*cmdline)++; (*cmdlinecnt)--; return(FINISHED); } /************************ OPEN_THE_OUTFILE *********************/ int open_the_outfile(dataptr dz) { int exit_status; if(dz->mode == 1) dz->infile->channels = 16; else 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_CRUMBLE_APPLICATION *******************/ int setup_crumble_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 if(dz->mode==0) exit_status = set_param_data(ap,0 ,12,11,"ddd0iDDDDDDi"); else exit_status = set_param_data(ap,0 ,12,12,"ddddiDDDDDDi"); if(exit_status<0) return(FAILED); if((exit_status = set_vflgs(ap,"",0,"","std",3,3,"dDd"))<0) return(FAILED); // set_legal_infile_structure --> dz->has_otherfile = FALSE; // assign_process_logic --> dz->input_data_type = SNDFILES_ONLY; dz->process_type = UNEQUAL_SNDFILE; dz->outfiletype = SNDFILE_OUT; return application_init(dz); //GLOBAL } /************************* PARSE_INFILE_AND_CHECK_TYPE *******************/ int parse_infile_and_check_type(char **cmdline,dataptr dz) { int exit_status; infileptr infile_info; if(!sloom) { if((infile_info = (infileptr)malloc(sizeof(struct filedata)))==NULL) { sprintf(errstr,"INSUFFICIENT MEMORY for infile structure to test file data."); return(MEMORY_ERROR); } else if((exit_status = cdparse(cmdline[0],infile_info))<0) { sprintf(errstr,"Failed to parse input file %s\n",cmdline[0]); return(PROGRAM_ERROR); } else if(infile_info->filetype != SNDFILE) { sprintf(errstr,"File %s is not of correct type\n",cmdline[0]); return(DATA_ERROR); } else if(infile_info->channels != MONO) { sprintf(errstr,"File %s is not a mono soundfile\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_CRUMBLE_PARAM_RANGES_AND_DEFAULTS *******************/ int setup_crumble_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[CRSTART] = 0; ap->hi[CRSTART] = dz->duration; ap->default_val[CRSTART] = 0; ap->lo[CRSTEP1] = 0; ap->hi[CRSTEP1] = dz->duration; ap->default_val[CRSTEP1] = 0; ap->lo[CRSTEP2] = 0; ap->hi[CRSTEP2] = dz->duration; ap->default_val[CRSTEP2] = 0; if(dz->mode == 1) { ap->lo[CRSTEP3] = 0; ap->hi[CRSTEP3] = dz->duration; ap->default_val[CRSTEP3] = 0; } ap->lo[CRORIENT] = 1; if(dz->mode == 1) ap->hi[CRORIENT] = 16; else ap->hi[CRORIENT] = 8; ap->default_val[CRORIENT] = 1; ap->lo[CRSIZE] = 10.00001 * MS_TO_SECS; ap->hi[CRSIZE] = dz->duration; ap->default_val[CRSIZE] = min(.25,dz->duration/2.0); ap->lo[CRRAND] = 0; ap->hi[CRRAND] = 1; ap->default_val[CRRAND] = 0; ap->lo[CRISCAT] = 0; ap->hi[CRISCAT] = 1; ap->default_val[CRISCAT] = 0; ap->lo[CROSCAT] = 0; ap->hi[CROSCAT] = 1; ap->default_val[CROSCAT] = 0; ap->lo[CROSTR] = 1; ap->hi[CROSTR] = 64; ap->default_val[CROSTR] = 1; ap->lo[CRPSCAT] = 0; ap->hi[CRPSCAT] = 12; ap->default_val[CRPSCAT] = 0; ap->lo[CRSEED] = 1; ap->hi[CRSEED] = 256; ap->default_val[CRSEED] = 1; ap->lo[CRSPLICE] = 2; ap->hi[CRSPLICE] = 50; ap->default_val[CRSPLICE] = 5; ap->lo[CRTAIL] = 0; ap->hi[CRTAIL] = 1000; ap->default_val[CRTAIL] = 0; ap->lo[CRDUR] = 0; ap->hi[CRDUR] = 3600; ap->default_val[CRDUR] = 0; dz->maxmode = 2; 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_crumble_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 changes 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("sound"); return(USAGE_ONLY); } /********************************************************************************************/ int get_the_process_no(char *prog_identifier_from_cmdline,dataptr dz) { if(!strcmp(prog_identifier_from_cmdline,"sound")) dz->process = CRUMBLE; 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,"sound")) { fprintf(stdout, "USAGE: crumble sound 1 inf outf stt dur1 dur2 params\n" "OR: crumble sound 2 inf outf stt dur1 dur2 dur3 params\n" "\n" "where PARAMS are\n" "orient size rand iscat oscat ostrch pscat seed [-ssplice] [-ttail]\n" "\n" "Project a MONO source on all channels of multichan output, then segment it,\n" "and distribute the segments over smaller and smaller groups of channels.\n" "\n" "Mode 1 gives 8-channel output (ochans = 8)\n" "Mode 2 gives 16-channel output (ochans = 16)\n" "\n" "STT Start time of crumbling.\n" "DUR1 Duration of section where signal split into 2 images.\n" "DUR2 Duration of section where signal split into 4 images.\n" "DUR3 (Mode 2) Duration of section where signal split into 8 images.\n" "ORIENT Input image first splits onto 2 blocks each of ochans/2 adjacent chans.\n" " (1) chan \"ori\" with adjacent clockwise channels,\n" " (2) remaining channels.\n" "SIZE* (Average) duration of cut segments.\n" "RAND* Randomisation of segment size. (Range 0 - 1)\n" " Max(1) modifies \"siz\" randomly between siz/2 and (3*siz)/2\n" "ISCAT* Scattering (in source) of start-time of next segment cut. (Range 0 - 1)\n" " Cut-time in source always advances.\n" " With no scatter, step to next cut-time = length of previous segment cut.\n" " With max \"isct\"(1) step by random time between 0 and previous-seglen.\n" "OSCAT* Scattering (in output) of time-placement of segment used.(Range 0 - 1)\n" " Time in output always advances.\n" " With no scatter, step to next output-time = length of last segment cut.\n" " With max \"osct\"(1) step by random time between >0 and previous-seglen.\n" "OSTRCH* Stretching of time-placement in output. (Range 1 - 64)\n" " Step to next sgement-placement in output, is multiplied by ostr.\n" " ostr > 1 should generate silent gaps in the output.\n" "PSCAT* Pitch variation of output segments (Semitones).\n" " for e.g. psct=3, pitch varies at random between +3 and -3 semitones.\n" "SEED Same seed value gives identical output on successive process runs.\n" "SPLICE Length of splices which cut the segments (in millseconds).\n" "TAIL* Length of any exponential tail on segments (in millseconds).\n" "\n" "Parameters marked with \"*\" can vary over time (i.e. time in the outfile).\n" "\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); } /******************************** CRUMBLE ******************************** * * For an 8-channel output... * The process starts copying the mono input to ALL channels of the multichan output. * At time-boundary[0] = "monoreadend", it begins to send segments of the input to channels 1234 and 5678 alternately * (could be 2345 6781 etc. depending on the aprameter "orient"). * At time-boundary[1], begins to send segments of the input to channels 12 34 56 and 78 randomly permuted * (could be 23 45 67 81 etc. depending on the parameter "orient"). * At time-boundary[2], begins to send segments of the input to channels 1 2 3 4 5 6 7 and 8 randomly permuted * * If the segments have no tails (CRTAIL = 0), they are cut using a "splicelen" splice at both ends. * With no input scatter (CRISCAT), segments are cut from the source in time order, with no gaps or overlaps. * With scatter, start of next segment may (randomly) begin within the previous segment. * * With no output scatter (CROSCAT), segments are joined to the output in time order, with no gaps or overlaps. * With scatter, start of next segment may begin (randomly) within the previous segment (<1) * or (randomly) beyond the end of the previous segment (>1). * * After being cut, the segments may be (randomly) transposed within a speicified range (CRPSCAT). * * If the segments have tails (CRTAIL > 0), segments calculations are done AS IF the segments had no tails * (cutting time within source and placement time in output are calculated exactly as above * using the length of the segments BEFORE the tail is added, in all calculations). * * When the segments are cut, however, extra samples are added to the end of the bare seglength * and in the output, an exponential decay is applied over these tails. * * If tails are specified, the initial (unsegmented) section is also given a tail. * This means that, initially "monoreadend" must be set at the END of the tail, so the mono->multimono process * continues to the end of the tail. * The read_process must then baktrak to the start of the tail, but it will then be BEFORE the "monoreadend" marker. * to ensure that that this does not trap the process in looping in the mono->multimono process, * the "monoreadend" is reset to ZERO, so the process knows it must not continue with mono->multimono processing. */ int crumble(dataptr dz) { int exit_status, ochancnt, passno, chan, ochan, startchan, thischan, reread, sector, lastsector, n, m, firstread, monoread_completed; int curtailed, permsize, permcnt = 0, gpsize = 0, thisperm, lastperm, lastperm2, **perm; int obuflen, segsamps, segend, oseglen, instep, outstep, lo, hi, crstartsamps, thistail; int write_end = 0, segstart_opos, opos, ipos, epos, eposend, samples_before_bufstart; float *ibuf = dz->sampbuf[0], *iovbuf = dz->sampbuf[1], *obuf = dz->sampbuf[2], *oovbuf = dz->sampbuf[3], *ebuf = dz->sampbuf[4]; double time, pshift, incr, frac, diff, val, iposd, boundary[4], balance[5]; double maxsamp, normaliser = 1.0, srate = (double)dz->infile->srate, rval, spliceval, crsize, crstart; int samptime, endsplicstart, monoreadend, orig_monoreadend, splicetime, endsplice, buffer_end; crstart = dz->param[CRSTART]; // Start of segmentation process (end of monoread section) crstartsamps = (int)ceil(crstart * srate); // Start of segmentation process if(dz->mode == 1) ochancnt = 16; else ochancnt = 8; obuflen = dz->buflen * ochancnt; if((perm = (int **)malloc(17 * sizeof(int *)))==NULL) { // Establish the arrays to permute channel and channel-group order sprintf(errstr,"Insufficient memory for random permutation arrays.\n"); return(MEMORY_ERROR); } permsize = 2; // sets up perm[2], perm[4], perm[8] (perm[16]) containing 2,4,8,(16) integer entries to perm while(permsize < 17) { // (perm[2] is redundant, but it simplifies later coding to create it here) if((perm[permsize] = (int *)malloc(permsize * sizeof(int)))==NULL) { sprintf(errstr,"Insufficient memory for random-permutation-array[%d].\n",permsize); return(MEMORY_ERROR); } permsize *= 2; } boundary[0] = crstart; // End of copying mono to all of outchannels boundary[1] = boundary[0] + dz->param[CRSTEP1]; // End of routing to (ochancnt/2)-size channel-groupings boundary[2] = boundary[1] + dz->param[CRSTEP2]; // End of routing to (ochancnt/4)-size channel-groupings balance[1] = ROOT_2; balance[2] = balance[1] * ROOT_2; // As output divided amongst more channels, balance[3] = balance[2] * ROOT_2; // individual channel level increases by ROOT2 if(dz->mode==0) lastsector = 3; // In last sector, output routed to individual channels else { boundary[3] = boundary[2] + dz->param[CRSTEP3]; balance[4] = balance[3] * ROOT_2; lastsector = 4; } // CHECK FOR TAIL ON END OF "MONOREAD" SECTION for(passno = 0;passno < 2;passno++) { srand((int)dz->param[CRSEED]); // Reset random seed, so levels in real output pass match levels in level-check pass. permsize = 2; // For the chan-group (or channel) permutations that will be acative (2,4,8,(16)) while(permsize < 17) { // Establish initial permutation of order for each active grouping lastperm = -1; // For more details, see 2nd call to "doperm" below, and the notes with "doperm" function lastperm2 = -1; for(n=0;nifd[0],0,0) < 0)){ sprintf(errstr,"sndseek failed in input file.\n"); return SYSTEM_ERROR; } } if(dz->notailanywhere) dz->hastail = 0; else { // If the segments have tails if(dz->brksize[CRTAIL]) { // Find the tail length at the end of the monoread section if((exit_status = read_value_from_brktable(dz->param[CRSTART],CRTAIL,dz))<0) return exit_status; } if(flteq(dz->param[CRTAIL],0.0)) dz->hastail = 0; else dz->hastail = 1; } if(dz->hastail) { // If segment has tail at end of monoread section dz->param[CRTAIL] *= MS_TO_SECS; // Read the tail-length, and ensure it is at-least minimum length dz->param[CRTAIL] = max(dz->param[CRTAIL],dz->param[CRSPLICE] * 2); dz->iparam[CRTAIL] = (int)ceil(dz->param[CRTAIL] * srate); endsplicstart = (int)ceil(crstart * srate); // start-of-endsplice is AT END of monoread-segment orig_monoreadend = endsplicstart + dz->iparam[CRTAIL]; // and we initially READ to end of the tail } else { // If there is NO TAIL at end of monoread-segment orig_monoreadend = (int)round(crstart * srate); // We initially READ to end of the segment. endsplicstart = orig_monoreadend - dz->iparam[CRSPLICE];// and start-of-endsplice is just BEFORE end of monoread-segment. } monoreadend = orig_monoreadend; dz->samps_left = dz->insams[0]; dz->total_samps_read = 0; samples_before_bufstart = 0; dz->total_samps_written = 0; write_end = 0; sector = 0; ipos = 0; opos = 0; time = 0.0; splicetime = -endsplicstart; // splice time gets to 0 at start of splice samptime = 0; maxsamp = 0.0; thisperm = perm[2][0]; firstread = 1; lastperm = -1; lastperm2 = -1; monoread_completed = 0; curtailed = 0; memset((char *)ibuf,0,dz->buflen * 2 * sizeof(float)); // Zero the input buf and input-overflow buf memset((char *)obuf,0,obuflen * 2 * sizeof(float)); // Zero the output buf and output-overflow buf while(dz->samps_left > 0) { if(firstread) { ibuf = dz->sampbuf[0]; // On first read, fill the buffer AND the read-ahead buffer dz->buflen *= 2; if((exit_status = read_samps(ibuf,dz))<0) return(exit_status); dz->buflen /= 2; // After initial read, restore true length of buffer firstread = 0; } else { ibuf = dz->sampbuf[1]; // On subsequent reads, read into the read_ahead if((exit_status = read_samps(ibuf,dz))<0) return(exit_status); ibuf = dz->sampbuf[0]; // but write will be from input-buffer proper } reread = 0; // BEFORE CRUMBLE STARTS, JUST COPY INPUT TO (MULTICHAN) OUTPUT, "MONOREAD" // No need to read brktables here as we already have length of tail, // and all other possible timevarying params concern segmentation. while(samptime < monoreadend) { if(splicetime > 0) { // If in end splice (or exponential tail) if(dz->hastail) { val = (double)(dz->iparam[CRTAIL] - splicetime)/(double)dz->iparam[CRTAIL]; val *= val; // do exponential decay of tail } else val = (double)(dz->iparam[CRSPLICE] - splicetime)/(double)dz->iparam[CRSPLICE]; val *= ibuf[ipos]; // or do normal splice } else val = ibuf[ipos]; // otherwise do straight copy for(chan = 0; chan < ochancnt; chan++) obuf[opos++] = (float)val; // Mono to multimono output ipos++; if(opos >= obuflen) { // If output buffer full if(passno == 0) { for(n=0;nprocess = BRASSAGE; // (Force correct progress-bar display on Loom, based on samples READ) display_virtual_time(dz->total_samps_read,dz); dz->total_samps_written += obuflen; dz->process = CRUMBLE; } else { // On write-data pass, if(normaliser < 1.0) { // Do any required normalisation for(n=0;nprocess = BRASSAGE; // and write to output if((exit_status = write_samps(obuf,obuflen,dz))<0) return(exit_status); dz->process = CRUMBLE; } memset((char *)obuf,0,obuflen * sizeof(float)); // Zero the output buf (there is no overflow at this stage) opos -= obuflen; // Reset output buffer pointer } samptime++; splicetime++; if(ipos >= dz->buflen) { reread = 1; // Whilst merely reading the input to the output ipos = 0; // reset inbuf pointer to 0, and set flag to go read more samples. break; } } if(reread) { // Until "starttime" is reached, continue monoread memcpy((char *)ibuf,(char *)iovbuf,dz->buflen * sizeof(float)); // Copy the read-ahead buffer back into ibuf memset((char *)iovbuf,0,dz->buflen * sizeof(float)); // Zero the read-ahead buf samples_before_bufstart += dz->buflen; // Update count of samples read before buffer-start (used to calculate "time") continue; } else monoread_completed++; // AT END OF MONO->MULTIMONO READ // IF THE MULTIMONO HAS A TAIL, RECONFIGURE THE READ INFORMATION if(monoread_completed == 1) { if(dz->hastail) { // Seek (back) to start of tail if((sndseekEx(dz->ifd[0],crstartsamps,0) < 0)){ sprintf(errstr,"sndseek (back to start of segmentation) failed in input file.\n"); return SYSTEM_ERROR; } ibuf = dz->sampbuf[0]; // Read a fresh DOUBLE buffer dz->buflen *= 2; // (first zeroing the input & input-overflow bufs). memset((char *)ibuf,0,dz->buflen * sizeof(float)); if((exit_status = read_samps(ibuf,dz))<0) return(exit_status); dz->buflen /= 2; // Reset for subsequent reads to be single bufreads // NB Subsequent reads will be to the READ-AHEAD buffer sampbuf[1], but this is set/unset at top of read loop samples_before_bufstart = crstartsamps; // Reset the input read counters. time = (double)samples_before_bufstart/srate; if(dz->iparam[CRDUR] > 0 && crstartsamps >= dz->iparam[CRDUR]) { curtailed = 1; break; } dz->total_samps_read = samples_before_bufstart + dz->ssampsread; dz->samps_left = dz->insams[0] - dz->total_samps_read; ipos = 0; // Reposition the input buffer pointer. opos = crstartsamps * ochancnt; opos -= dz->total_samps_written; if(opos < 0) { // Should be rendant if buffer-szie calculations are correct!!! sprintf(errstr,"OBUF UNDERFLOW\n"); return PROGRAM_ERROR; } monoreadend = -1; // Ensure we're not trapped forever in monoreadings. // OTHERWISE, SET THE TIME TO END OF MONOREAD } else time = dz->param[CRSTART]; } // sampsread could be a less-than-full SINGLE buffer: exit loop once samples exhausted buffer_end = min(dz->ssampsread,dz->buflen);// or a full DOUBLE buffer (read-ahead): exit loop once pointer falls beyond SINGLE buffer write_end = opos; // Latest sample written to output buffer is at opos // ONLY ON CROSSING SECTOR BOUNDARIES, AND ONLY BEFORE WE REACH THE LASTSECTOR // Crossing a sector boundary halves the channel-grouping in the output. // For an 8-chan output // Initial output is to 01234567: crossing 1st boundary puts output on 0123 & 4567 // (these groupings may be offset, by "orient", but each still has 4 adjacent chans). // Hence we permute 2 sets of 4chans // Crossing 2nd boundary puts output on 01 & 23 & 45 & 67 (possibly offset etc) // Hence we permute 4 sets of 2chans // Crossing 3rd boundary puts output on 0 & 1 & 2 & 3 & 4 & 5 & 6 & 7 // Hence we permute 8 individual channels // END OF SECTOR BOUNDARY CALCULATIONS // READING AND WRITING CUT SEGMENTS while(ipos < buffer_end) { if(sector < lastsector) { // Until completely fragmented to separate chans if(time >= boundary[sector]) { // Check if we've crossed time-boundary of next sector sector++; // Set up params to perm the groups-of-chans OR (in last sector) individual channels. permsize = (int)pow(2,sector); // Sector 1 has 2 groups of (4)chans, sector 2 has 4 groups of (2)chans etc. gpsize = ochancnt/permsize; // no of channels in each group. // Modify how the perm works, as number of perm items increases .... lastperm = thisperm * 2; // e.g. with gpsize 4, if lastperm=1 last-used chan-gp-of4 contained channels 4567 (possibly offset etc). lastperm2 = lastperm + 1; // After halving gpsize to 2, lastperm new gets "2" (chans 45) and lastperm2 gets "3" (chans 67). // e.g. with gpsize 2, if lastperm = 1 last-used chan-gp-of-2 contained channel 23. // after halving gpsize to 1, lastperm gets "2" (chan 2) and lastperm2 gets "3" (chans 3). // This ensures, that the new (larger) perm avoids using-first the channels used-last in previous-perm. // See the function "doperm" for more detials of how this works. if(permsize==2) // Where there are only 2 groups, permcnt = !permcnt; // alternate between groups (0 and 1) else // otherwise perm the order of the groups, or the individual chans. doperm(perm[permsize],permsize,&lastperm,&lastperm2); permcnt = 0; // Initialise the count of perm-items used. } } if((exit_status= read_values_from_all_existing_brktables(time,dz))< 0) return exit_status; // Find size of tail, if any if(!dz->notailanywhere) { if(dz->brksize[CRTAIL]) { if(dz->param[CRTAIL] == 0.0) dz->hastail = 0; else { dz->hastail = 1; dz->param[CRTAIL] = max((dz->application->lo[CRSPLICE] * 2),dz->param[CRTAIL]); dz->param[CRTAIL] *= MS_TO_SECS; dz->iparam[CRTAIL] = (int)ceil(dz->param[CRTAIL] * srate); } } } // Find size of segment to cut, and initial values of subsequent step in infile and outfile crsize = dz->param[CRSIZE]; if(dz->param[CRRAND] > 0.0) { rval = drand48() * 0.5; // Range -1/2 to +1/2 rval *= dz->param[CRRAND]; // Maxrange -1/2 to +1/2 rval += 1.0; // Maxrange 1/2 to 3/2 crsize *= rval; } segsamps = (int)round(crsize * srate); // samps to read instep = segsamps; // step to next sample to read (before any randomisation) outstep = segsamps; // step (in gp-samples) to next sample to write (before any randomisation) // Find transposition (and corresponding read-incr) of segment pshift = ((drand48() * 2.0) - 1.0) * dz->param[CRPSCAT];// Randomly scatter pitch-shift (+- pshift range) incr = pow(2.0,-pshift/SEMITONES_PER_OCTAVE); // If transpos is +ve, pow(2,-ve) < 1 : if transpos is -ve, pos(2,+ve) is > 1 if(dz->hastail) { thistail = dz->iparam[CRTAIL]; if(pshift != 0.0) // If transposing down (incr +ve) output is inter, so tail would be lengthened thistail = (int)round((double)thistail/incr); // To retain tail of same length, read LESS input samples, to make tail correct length segsamps += thistail; // Increase the number of input samples to read, to include tail samples } // Write (transposed) input segment into enveloping buffer, and note its length iposd = ipos; epos = 0; segend = ipos + segsamps; while(iposd < segend) { lo = (int)floor(iposd); frac = iposd - (double)lo; hi = lo + 1; diff = ibuf[hi] - ibuf[lo]; val = ibuf[lo] + (diff * frac); ebuf[epos++] = (float)val; iposd += incr; } oseglen = epos; eposend = oseglen-1; if(dz->warned && dz->hastail) { // IF notailanywhere, value of CRTAIL has been preset to CRSPLICE if(oseglen <= dz->iparam[CRSPLICE] + dz->iparam[CRTAIL]) { if(dz->notailanywhere) sprintf(errstr,"SEGMENT TOO SHORT FOR SPLICES.\n"); else sprintf(errstr,"SEGMENT (%lf) TOO SHORT FOR SPLICE AND TAIL (%lf)\n", (double)oseglen/srate,(double)(dz->iparam[CRSPLICE] + dz->iparam[CRTAIL])/srate); return DATA_ERROR; } } // splice both ends of segment if(dz->hastail) { for(n=0;niparam[CRSPLICE];n++) { spliceval = (double)n/(double)dz->iparam[CRSPLICE]; ebuf[n] = (float)(ebuf[n] * spliceval); } for(n=0,m=eposend;niparam[CRTAIL];n++,m--) { spliceval = (double)n/(double)dz->iparam[CRTAIL]; spliceval *= spliceval; // Exponential fade ebuf[m] = (float)(ebuf[m] * spliceval); } } else { for(n=0,m=eposend;niparam[CRSPLICE];n++,m--) { spliceval = (double)n/(double)dz->iparam[CRSPLICE]; ebuf[n] = (float)(ebuf[n] * spliceval); ebuf[m] = (float)(ebuf[m] * spliceval); } } segstart_opos = opos; // ADD INTO THE OUTPUT BUFFER, USING PERMUTATION OF OUTPUTA // the goal chans are set by reading from the permutation of chans or chan-groups in "perm", counted by "permcnt" if(sector < lastsector) { // Writing to GROUPS of channels thisperm = perm[permsize][permcnt]; // (thisperm * gpsize) gives lowest channel of current group startchan = (dz->iparam[CRORIENT] + (thisperm * gpsize))%ochancnt; // with CRORIENT adding offset to start of group. thischan = startchan; for(n=0;n= permsize) { // Once current perm of channels exhausted, reperm doperm(perm[permsize],permsize,&lastperm,&lastperm2); permcnt = 0; } // GET PARAMETERS FOR NEXT SEGMENT // If output write time is scattered, do scattering if(dz->param[CROSCAT] > 0.0) { rval = drand48() * dz->param[CROSCAT]; // 0 to R rval = 1.0 - rval; // Range 1 to 1-R outstep = (int)round((double)outstep * rval); } // If output write time is stretched, do time-stretch outstep = (int)round((double)outstep * dz->param[CROSTR]); // outstep MUST advance if(outstep == 0) outstep++; // Convert to count in output samples outstep *= ochancnt; // Advance to next write position opos = segstart_opos + outstep; // If next write will start beyond end of obuf, write outbuf, (Recursively in case there's a silent gap) if((dz->iparam[CRDUR] > 0) && (opos + dz->total_samps_written >= dz->iparam[CRDUR])) { curtailed = 1; break; } while(opos >= obuflen) { dz->process = BRASSAGE; // progress-bar set in terms of READ-samples, rather than written-samples. if(passno == 0) { for(n=0;ntotal_samps_read,dz); dz->total_samps_written += obuflen; } else { if(normaliser < 1.0) { for(n=0;nprocess = CRUMBLE; memcpy((char *)obuf,(char *)oovbuf,obuflen * sizeof(float)); // Copy any overflow back into obuf memset((char *)oovbuf,0,obuflen * sizeof(float)); // Zero the output-overflow buf write_end -= obuflen; // Reset buffer pointers opos -= obuflen; } // If ness, modify time where next input segment is cut if(dz->param[CRISCAT] > 0.0) { // If time of input segment is scattered in time rval = drand48() * dz->param[CRISCAT]; // Range 0 to +R rval = 1.0 - rval; // Range 1 to 1-R instep = (int)round((double)instep * rval); } // Advance to next input-read position ipos += instep; time = (double)((dz->total_samps_written+opos)/ochancnt)/srate; } if(curtailed) break; // Once next-read-position is beyond end of input buffer, readjust buffers and counters before next read memcpy((char *)ibuf,(char *)iovbuf,dz->buflen * sizeof(float)); // Copy the read-ahead buffer back into ibuf memset((char *)iovbuf,0,dz->buflen * sizeof(float)); // Zero the input-overflow buf samples_before_bufstart += buffer_end; ipos -= buffer_end; } // Once input file is exhausted, write any samples remaining in output buffer if(write_end > 0) { dz->process = BRASSAGE; if(passno == 0) { for(n=0;ninsams[0],dz); dz->total_samps_written += obuflen; } else { if(normaliser < 1.0) { for(n=0;nhastail) { endsplice = min(endsplice,dz->iparam[CRTAIL]); for(n = 0,m = write_end-ochancnt;n < endsplice;n++,m-=ochancnt) { val = (double)n/(double)endsplice; val *= val; for(chan = 0; chan < ochancnt; chan++) obuf[m+chan] = (float)(obuf[m+chan] * val); } } else { endsplice = min(endsplice,dz->iparam[CRSPLICE]); for(n = 0,m = write_end-ochancnt;n < endsplice;n++,m-=ochancnt) { val = (double)n/(double)endsplice; for(chan = 0; chan < ochancnt; chan++) obuf[m+chan] = (float)(obuf[m+chan] * val); } } } if((exit_status = write_samps(obuf,write_end,dz))<0) return(exit_status); } dz->process = CRUMBLE; } if(passno == 0) { if(maxsamp > 0.95) normaliser = 0.95/maxsamp; else if(maxsamp <= FLTERR) { sprintf(errstr,"No significant signal found in source file.\n"); return DATA_ERROR; } } } return FINISHED; } /********************************** CHECK_CRUMBLE_PARAM_VALIDITY_AND_CONSISTENCY ********************/ /* TW fixes Jan 2023 */ int check_crumble_param_validity_and_consistency(dataptr dz) { #define maxrandlenincr 1.5 // 1.5 is max random length increase #define maxrandlenshrnk 0.5 // 0.5 is max random length decrease int exit_status, ochans; double processtime, srate = (double)dz->infile->srate, frqratio; int minseglen, crstartsamps; if(dz->mode == 1) ochans = 16; else ochans = 8; dz->param[CRSPLICE] *= MS_TO_SECS; dz->iparam[CRSPLICE] = (int)ceil(dz->param[CRSPLICE] * srate); crstartsamps = (int)ceil(dz->param[CRSTART] * srate); if(dz->brksize[CRTAIL]) { if((exit_status = read_value_from_brktable(dz->param[CRSTART],CRTAIL,dz))<0) return exit_status; } if(dz->param[CRTAIL] > 0.0) { dz->param[CRTAIL] = max(dz->param[CRTAIL],dz->application->lo[CRSPLICE] * 2.0); if(dz->iparam[CRTAIL] + crstartsamps >= dz->insams[0]) { sprintf(errstr,"Exponetial tail too long with the start segment.\n"); return DATA_ERROR; } } dz->hastail = 1; dz->notailanywhere = 0; if(dz->brksize[CRTAIL]) { if((exit_status = get_maxvalue_in_brktable(&(dz->param[CRTAIL]),CRTAIL,dz))<0) return exit_status; } if(dz->param[CRTAIL] > 0.0) { // Working with MAX specified tail-length ... dz->param[CRTAIL] = max(dz->param[CRTAIL],dz->application->lo[CRSPLICE] * 2.0); // ensure tail is set at at-least double minsplicelen dz->iparam[CRTAIL] = (int)ceil(dz->param[CRTAIL] * MS_TO_SECS * srate); // to compensate for tail decay being exponential } else { dz->hastail = 0; dz->notailanywhere = 1; dz->iparam[CRTAIL] = dz->iparam[CRSPLICE]; } processtime = dz->param[CRSTART] + dz->param[CRSTEP1] + dz->param[CRSTEP2]; if(dz->mode==1) processtime += dz->param[CRSTEP3]; if(processtime >= dz->duration) { sprintf(errstr,"Sum of durations of splitting processes extends beyond end of input file.\n"); return DATA_ERROR; } if(dz->brksize[CRRAND]) { if((exit_status = get_maxvalue_in_brktable(&(dz->param[CRRAND]),CRRAND,dz))<0) return exit_status; } if(dz->brksize[CRSIZE]) { if((exit_status = get_maxvalue_in_brktable(&(dz->param[CRSIZE]),CRSIZE,dz))<0) return exit_status; } if(dz->brksize[CRPSCAT]) { if((exit_status = get_maxvalue_in_brktable(&(dz->param[CRPSCAT]),CRPSCAT,dz))<0) return exit_status; } frqratio = pow(2.0,dz->param[CRPSCAT]/SEMITONES_PER_OCTAVE); // transpose max down, increases seglen by +ve frq ratio dz->maxinseg = (int)ceil(dz->param[CRSIZE] * frqratio * srate * maxrandlenincr); if(dz->hastail) { dz->maxinseg += (int)ceil(dz->iparam[CRTAIL] * frqratio); // CRTAIL holds maxvalue, CRPSCAT minvalue, at present } dz->maxinseg *= 2; // LARGE SAFETY MARGIN!! dz->maxoutseg = dz->maxinseg * ochans; // max-segsize in outputbuf if(dz->brksize[CRSIZE]) { if((exit_status = get_minvalue_in_brktable(&(dz->param[CRSIZE]),CRSIZE,dz))<0) return exit_status; } // min-segsize in inputbuf minseglen = (int)ceil((dz->param[CRSIZE]/frqratio) * srate * maxrandlenshrnk); dz->warned = 0; if(minseglen <= dz->iparam[CRSPLICE] + dz->iparam[CRTAIL]) { // NB, CRSPLICE is fixed and CRTAIL has been set at its maxvalue dz->warned = 1; fprintf(stdout,"WARNING: Minimum segment length (after any transpositions) may be too short for splices (and any tail).\n"); fflush(stdout); } if(dz->param[CRDUR] > 0.0 && dz->param[CRDUR] < dz->param[CRSTART]) { fprintf(stdout,"WARNING: Terminate time (%lf) set before before disintegration begins (%lf).\n",dz->param[CRDUR],dz->param[CRSTART]); fflush(stdout); } else { dz->iparam[CRDUR] = (int)round(dz->param[CRDUR] * srate); dz->iparam[CRDUR] *= ochans; } dz->iparam[CRORIENT]--; // Change from 1-8 to 0-7 numbering (1-16, to 0-15) return FINISHED; } /******************************** CREATE_CRUMBLE_SNDBUFS *****************/ int create_crumble_sndbufs(dataptr dz) { int bigbufsize, framesize, orig_framesize, frameunit, output_framesize, orig_output_framesize, outbufsize, outchans; if(dz->sbufptr == 0 || dz->sampbuf==0) { sprintf(errstr,"buffer pointers not allocated: create_sndbufs()\n"); return(PROGRAM_ERROR); } if(dz->mode == 1) outchans = 16; else outchans = 8; frameunit = outchans + MONO; // frame must be multiple of changroupsize of output & input; orig_framesize = F_SECSIZE * frameunit; // frame must also be a multiple of sectorsize framesize = orig_framesize; orig_output_framesize = F_SECSIZE * outchans; // Outputbuffer (only) framesize output_framesize = orig_output_framesize; while(output_framesize <= dz->maxoutseg) { // outputbuffer must accomodate the maximum-size of segment to be written output_framesize += orig_output_framesize; framesize += orig_framesize; } framesize *= 2; // frame must accomodate double buffer for input, and for output frameunit *= 2; bigbufsize = (int)(size_t) Malloc(-1); dz->buflen = bigbufsize / sizeof(float); // Ensure buffer contains an integer number of frames dz->buflen = (dz->buflen / framesize) * framesize; bigbufsize = dz->buflen * sizeof(float); if(bigbufsize <= 0) { dz->buflen = framesize; bigbufsize = dz->buflen * sizeof(float); } dz->buflen = dz->buflen/frameunit; // Get TRUE (input) buffer size outbufsize = dz->buflen * outchans; // Get output buffer size bigbufsize = ((dz->buflen * 2) + (outbufsize * 3)) * sizeof(float); /* 2023 */ bigbufsize += dz->maxinseg * sizeof(float); // add in memory for segment-enveloping buffer if(bigbufsize <= 0) { sprintf(errstr,"TOO MUCH MEMORY REQUIRED for sound buffers.\n"); return(PROGRAM_ERROR); } if((dz->bigbuf = (float *)malloc(bigbufsize)) == NULL) { sprintf(errstr,"INSUFFICIENT MEMORY to create sound buffers.\n"); return(PROGRAM_ERROR); } dz->sbufptr[0] = dz->sampbuf[0] = dz->bigbuf; // input dz->sbufptr[1] = dz->sampbuf[1] = dz->sampbuf[0] + dz->buflen; // input overflow dz->sbufptr[2] = dz->sampbuf[2] = dz->sampbuf[1] + dz->buflen; // output dz->sbufptr[3] = dz->sampbuf[3] = dz->sampbuf[2] + outbufsize; // output overflow dz->sbufptr[4] = dz->sampbuf[4] = dz->sampbuf[3] + outbufsize; // enveloping buffer dz->sampbuf[5] = dz->sampbuf[4] + outbufsize + dz->maxinseg; //2023 return(FINISHED); } /*************************** PERMUTE_CHUNKS *************************** * * "lastperm2" is only set to a non-negative value when we cross a sector boundary. * At that point there are 2 previous channels or channel-groups to avoid when selecting next chan or group. * Once we are in lastsector (i.e. sending sigs to individual channels) * lastperm stays stuck at -1 and does not affect the perm calculations. */ void doperm(int *perm,int permsize,int *lastperm,int *lastperm2) { int n, t; if(*lastperm2 >= 0) { // If we've just changed sector, need to check 1st TWO perm items // are not in any of the channels in the previous chan-group used. do { for(n=0;n k; n--) perm[n] = perm[n-1]; } /****************************** 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); }