/* * 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 * */ /* SYNTHESIS FROM ROTATING ARMATURES .... * * params 0 1 2 3 4 5 6 7 7 8 * params ROT_CNT ROT_PMIN ROT_PMAX ROT_NSTEP ROT_PCYC ROT_TCYC ROT_PHAS ROT_DUR ROT_GSTEP ROT_DOVE * rotor rotor 1 infile env notecnt minmidi maxmidi maxnotedur protspeed drotspeed inital-phase out_duration step -dx * rotor rotor 2-3 infile env notecnt minmidi maxmidi maxnotedur protspeed drotspeed inital-phase out_duration -dx * x in ms * Take a line with points marked at regular(?) intervals, y (height) determines pitch. * Rotate the line about centre, so (if clockwise) pitchset falls slightly then more then more, * until reaches maximum, then rises rapidly rises less etc till all down to same etc * * @ * * @ @ * @ * @ @ @ * @ * @ @ @ @ @ @ @ @ @ ETC * @ * @ @ @ * @ * @ @ * * @ * repet-note falling falling chord rising * * * * Take a line with points marked at regular(?) intervals, "x - minx" determines time. * Rotate the line about centre. * * @ * * @ @ * @ * @ @ @ * @ * @ @ @ @ @ @ @ @ @ ETC * 1 2 3 4 5 @ * zero @ @ @ * time @ * slow 1 2 3 4 5 @ @ * tempo zero 12345 12345 * time zero @ zero * faster time zero time * very time very * fast Tutti fast * * * * infile = waveform to read for synth * env = envelope to impose on synthd sounds * notecnt = number of notes in set. * maxnotestep = max step between notes in slowest set * protspeed = speed of rotation of pitch line * drotspeed = speed of rotation of time line = number of pitchlines before we're back to where we started * initial-phase = (initial) phase difference between pitch and time rotations * (this will change if rot speeds are different) * step = time step between each pitch-set in mode 1 * mode 2 uses an extra non-sounding event at end of time row, to determine where * next timerow begins, hence it dilates and contracts timewise with rotation of time-rotor. * mode 3 superimposes first note of next row on last note of previous. */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #define is_stereo is_rectified #define ROOT2 (1.4142136) #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 = "7.0.0"; //CDP LIB REPLACEMENTS static int check_rotor_param_validity_and_consistency(dataptr dz); static int setup_rotor_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_rotor_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 handle_the_special_data(char *str,dataptr dz); static int create_rotor_sndbufs(dataptr dz); static int rotor_param_preprocess(dataptr dz); static int rotor(dataptr dz) ; static int write_event(double time,double thispitch,double tabincr,int tabsize,int *obufpos,double normaliser,double line_angle,double pos,dataptr dz); static int get_event_level(double time,double thispitch,double tabincr,int tabsize,int *obufpos,double *normaliser,double line_angle,double pos,dataptr dz); static int read_value_from_brkarray(double *env,int *nextind,double *val,double thistime,dataptr dz); static void time_display(int samps_sent,dataptr dz); static int write_rotor_samps(float *obuf,int samps_sent,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 = 3; if((exit_status = get_the_mode_from_cmdline(cmdline[0],dz))<0) { print_messages_and_close_sndfiles(exit_status,is_launched,dz); return(exit_status); } cmdline++; cmdlinecnt--; // setup_particular_application = if((exit_status = setup_rotor_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_rotor_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 ..... if((exit_status = handle_the_special_data(cmdline[0],dz))<0) { print_messages_and_close_sndfiles(exit_status,is_launched,dz); return(FAILED); } cmdlinecnt--; cmdline++; if((exit_status = read_parameters_and_flags(&cmdline,&cmdlinecnt,dz))<0) { // CDP LIB print_messages_and_close_sndfiles(exit_status,is_launched,dz); return(FAILED); } // check_param_validity_and_consistency.... if((exit_status = check_rotor_param_validity_and_consistency(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); } 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; if((exit_status = create_rotor_sndbufs(dz))<0) { print_messages_and_close_sndfiles(exit_status,is_launched,dz); return(FAILED); } //param_preprocess .... if((exit_status = rotor_param_preprocess(dz))<0) { print_messages_and_close_sndfiles(exit_status,is_launched,dz); return(FAILED); } //spec_process_file = if((exit_status = rotor(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) { int has_extension = 0; char *filename = (*cmdline)[0], *p; if(filename[0]=='-' && filename[1]=='f') { dz->floatsam_output = 1; dz->true_outfile_stype = SAMP_FLOAT; filename+= 2; } if(!sloom) { if(file_has_invalid_startchar(filename) || value_is_numeric(filename)) { sprintf(errstr,"Outfile name %s has invalid start character(s) or looks too much like a number.\n",filename); return(DATA_ERROR); } } p = filename + strlen(filename); p--; while(p != filename) { if(*p == '.') { has_extension = 1; break; } p--; } strcpy(dz->outfilename,filename); if(!has_extension) strcat(dz->outfilename,".wav"); (*cmdline)++; (*cmdlinecnt)--; return(FINISHED); } /************************ OPEN_THE_OUTFILE *********************/ int open_the_outfile(dataptr dz) { int exit_status; if(dz->is_stereo) dz->infile->channels = 2; if((exit_status = create_sized_outfile(dz->outfilename,dz))<0) return(exit_status); 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_ROTOR_APPLICATION *******************/ int setup_rotor_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,ROTORDAT,9,9,"iDDDIIddD"); else exit_status = set_param_data(ap,ROTORDAT,9,8,"iDDDIIdd0"); if(exit_status<0) return(FAILED); if((exit_status = set_vflgs(ap,"d",1,"d","s",1,0,"0"))<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 != 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_ROTOR_PARAM_RANGES_AND_DEFAULTS *******************/ int setup_rotor_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[ROT_CNT] = 3; ap->hi[ROT_CNT] = 127; ap->default_val[ROT_CNT] = 7; ap->lo[ROT_PMIN] = 0; ap->hi[ROT_PMIN] = 127; ap->default_val[ROT_PMIN] = 48; ap->lo[ROT_PMAX] = 0; ap->hi[ROT_PMAX] = 127; ap->default_val[ROT_PMAX] = 72; ap->lo[ROT_NSTEP] = 0; ap->hi[ROT_NSTEP] = 4; ap->default_val[ROT_NSTEP] = .1; ap->lo[ROT_PCYC] = 4; ap->hi[ROT_PCYC] = 256; ap->default_val[ROT_PCYC] = 16; ap->lo[ROT_TCYC] = 4; ap->hi[ROT_TCYC] = 256; ap->default_val[ROT_TCYC] = 16; ap->lo[ROT_PHAS] = 0; ap->hi[ROT_PHAS] = 1; ap->default_val[ROT_PHAS] = 0; ap->lo[ROT_DUR] = 1; ap->hi[ROT_DUR] = 32767; ap->default_val[ROT_DUR] = 20; if(dz->mode == 0) { ap->lo[ROT_GSTEP] = .1; ap->hi[ROT_GSTEP] = 60; ap->default_val[ROT_GSTEP] = 4; } ap->lo[ROT_DOVE] = 0; ap->hi[ROT_DOVE] = 5; ap->default_val[ROT_DOVE] = 0; dz->maxmode = 3; if(!sloom) put_default_vals_in_all_params(dz); return(FINISHED); } /********************************* PARSE_SLOOM_DATA *********************************/ int parse_sloom_data(int argc,char *argv[],char ***cmdline,int *cmdlinecnt,dataptr dz) { int exit_status; int cnt = 1, infilecnt; int filesize, insams, inbrksize; double dummy; int true_cnt = 0; //aplptr ap; while(cnt<=PRE_CMDLINE_DATACNT) { if(cnt > argc) { sprintf(errstr,"Insufficient data sent from TK\n"); return(DATA_ERROR); } switch(cnt) { case(1): if(sscanf(argv[cnt],"%d",&dz->process)!=1) { sprintf(errstr,"Cannot read process no. sent from TK\n"); return(DATA_ERROR); } break; case(2): if(sscanf(argv[cnt],"%d",&dz->mode)!=1) { sprintf(errstr,"Cannot read mode no. sent from TK\n"); return(DATA_ERROR); } if(dz->mode > 0) dz->mode--; //setup_particular_application() = if((exit_status = setup_rotor_application(dz))<0) return(exit_status); //ap = dz->application; break; case(3): if(sscanf(argv[cnt],"%d",&infilecnt)!=1) { sprintf(errstr,"Cannot read infilecnt sent from TK\n"); return(DATA_ERROR); } if(infilecnt < 1) { true_cnt = cnt + 1; cnt = PRE_CMDLINE_DATACNT; /* force exit from loop after assign_file_data_storage */ } if((exit_status = assign_file_data_storage(infilecnt,dz))<0) return(exit_status); break; case(INPUT_FILETYPE+4): if(sscanf(argv[cnt],"%d",&dz->infile->filetype)!=1) { sprintf(errstr,"Cannot read filetype sent from TK (%s)\n",argv[cnt]); return(DATA_ERROR); } break; case(INPUT_FILESIZE+4): if(sscanf(argv[cnt],"%d",&filesize)!=1) { sprintf(errstr,"Cannot read infilesize sent from TK\n"); return(DATA_ERROR); } dz->insams[0] = filesize; break; case(INPUT_INSAMS+4): if(sscanf(argv[cnt],"%d",&insams)!=1) { sprintf(errstr,"Cannot read insams sent from TK\n"); return(DATA_ERROR); } dz->insams[0] = insams; break; case(INPUT_SRATE+4): if(sscanf(argv[cnt],"%d",&dz->infile->srate)!=1) { sprintf(errstr,"Cannot read srate sent from TK\n"); return(DATA_ERROR); } break; case(INPUT_CHANNELS+4): if(sscanf(argv[cnt],"%d",&dz->infile->channels)!=1) { sprintf(errstr,"Cannot read channels sent from TK\n"); return(DATA_ERROR); } break; case(INPUT_STYPE+4): if(sscanf(argv[cnt],"%d",&dz->infile->stype)!=1) { sprintf(errstr,"Cannot read stype sent from TK\n"); return(DATA_ERROR); } break; case(INPUT_ORIGSTYPE+4): if(sscanf(argv[cnt],"%d",&dz->infile->origstype)!=1) { sprintf(errstr,"Cannot read origstype sent from TK\n"); return(DATA_ERROR); } break; case(INPUT_ORIGRATE+4): if(sscanf(argv[cnt],"%d",&dz->infile->origrate)!=1) { sprintf(errstr,"Cannot read origrate sent from TK\n"); return(DATA_ERROR); } break; case(INPUT_MLEN+4): if(sscanf(argv[cnt],"%d",&dz->infile->Mlen)!=1) { sprintf(errstr,"Cannot read Mlen sent from TK\n"); return(DATA_ERROR); } break; case(INPUT_DFAC+4): if(sscanf(argv[cnt],"%d",&dz->infile->Dfac)!=1) { sprintf(errstr,"Cannot read Dfac sent from TK\n"); return(DATA_ERROR); } break; case(INPUT_ORIGCHANS+4): if(sscanf(argv[cnt],"%d",&dz->infile->origchans)!=1) { sprintf(errstr,"Cannot read origchans sent from TK\n"); return(DATA_ERROR); } break; case(INPUT_SPECENVCNT+4): if(sscanf(argv[cnt],"%d",&dz->infile->specenvcnt)!=1) { sprintf(errstr,"Cannot read specenvcnt sent from TK\n"); return(DATA_ERROR); } dz->specenvcnt = dz->infile->specenvcnt; break; case(INPUT_WANTED+4): if(sscanf(argv[cnt],"%d",&dz->wanted)!=1) { sprintf(errstr,"Cannot read wanted sent from TK\n"); return(DATA_ERROR); } break; case(INPUT_WLENGTH+4): if(sscanf(argv[cnt],"%d",&dz->wlength)!=1) { sprintf(errstr,"Cannot read wlength sent from TK\n"); return(DATA_ERROR); } break; case(INPUT_OUT_CHANS+4): if(sscanf(argv[cnt],"%d",&dz->out_chans)!=1) { sprintf(errstr,"Cannot read out_chans sent from TK\n"); return(DATA_ERROR); } break; /* RWD these chanegs to samps - tk will have to deal with that! */ case(INPUT_DESCRIPTOR_BYTES+4): if(sscanf(argv[cnt],"%d",&dz->descriptor_samps)!=1) { sprintf(errstr,"Cannot read descriptor_samps sent from TK\n"); return(DATA_ERROR); } break; case(INPUT_IS_TRANSPOS+4): if(sscanf(argv[cnt],"%d",&dz->is_transpos)!=1) { sprintf(errstr,"Cannot read is_transpos sent from TK\n"); return(DATA_ERROR); } break; case(INPUT_COULD_BE_TRANSPOS+4): if(sscanf(argv[cnt],"%d",&dz->could_be_transpos)!=1) { sprintf(errstr,"Cannot read could_be_transpos sent from TK\n"); return(DATA_ERROR); } break; case(INPUT_COULD_BE_PITCH+4): if(sscanf(argv[cnt],"%d",&dz->could_be_pitch)!=1) { sprintf(errstr,"Cannot read could_be_pitch sent from TK\n"); return(DATA_ERROR); } break; case(INPUT_DIFFERENT_SRATES+4): if(sscanf(argv[cnt],"%d",&dz->different_srates)!=1) { sprintf(errstr,"Cannot read different_srates sent from TK\n"); return(DATA_ERROR); } break; case(INPUT_DUPLICATE_SNDS+4): if(sscanf(argv[cnt],"%d",&dz->duplicate_snds)!=1) { sprintf(errstr,"Cannot read duplicate_snds sent from TK\n"); return(DATA_ERROR); } break; case(INPUT_BRKSIZE+4): if(sscanf(argv[cnt],"%d",&inbrksize)!=1) { sprintf(errstr,"Cannot read brksize sent from TK\n"); return(DATA_ERROR); } if(inbrksize > 0) { switch(dz->input_data_type) { case(WORDLIST_ONLY): break; case(PITCH_AND_PITCH): case(PITCH_AND_TRANSPOS): case(TRANSPOS_AND_TRANSPOS): dz->tempsize = inbrksize; break; case(BRKFILES_ONLY): case(UNRANGED_BRKFILE_ONLY): case(DB_BRKFILES_ONLY): case(ALL_FILES): case(ANY_NUMBER_OF_ANY_FILES): if(dz->extrabrkno < 0) { sprintf(errstr,"Storage location number for brktable not established by CDP.\n"); return(DATA_ERROR); } if(dz->brksize == NULL) { sprintf(errstr,"CDP has not established storage space for input brktable.\n"); return(PROGRAM_ERROR); } dz->brksize[dz->extrabrkno] = inbrksize; break; default: sprintf(errstr,"TK sent brktablesize > 0 for input_data_type [%d] not using brktables.\n", dz->input_data_type); return(PROGRAM_ERROR); } break; } break; case(INPUT_NUMSIZE+4): if(sscanf(argv[cnt],"%d",&dz->numsize)!=1) { sprintf(errstr,"Cannot read numsize sent from TK\n"); return(DATA_ERROR); } break; case(INPUT_LINECNT+4): if(sscanf(argv[cnt],"%d",&dz->linecnt)!=1) { sprintf(errstr,"Cannot read linecnt sent from TK\n"); return(DATA_ERROR); } break; case(INPUT_ALL_WORDS+4): if(sscanf(argv[cnt],"%d",&dz->all_words)!=1) { sprintf(errstr,"Cannot read all_words sent from TK\n"); return(DATA_ERROR); } break; case(INPUT_ARATE+4): if(sscanf(argv[cnt],"%f",&dz->infile->arate)!=1) { sprintf(errstr,"Cannot read arate sent from TK\n"); return(DATA_ERROR); } break; case(INPUT_FRAMETIME+4): if(sscanf(argv[cnt],"%lf",&dummy)!=1) { sprintf(errstr,"Cannot read frametime sent from TK\n"); return(DATA_ERROR); } dz->frametime = (float)dummy; break; case(INPUT_WINDOW_SIZE+4): if(sscanf(argv[cnt],"%f",&dz->infile->window_size)!=1) { sprintf(errstr,"Cannot read window_size sent from TK\n"); return(DATA_ERROR); } break; case(INPUT_NYQUIST+4): if(sscanf(argv[cnt],"%lf",&dz->nyquist)!=1) { sprintf(errstr,"Cannot read nyquist sent from TK\n"); return(DATA_ERROR); } break; case(INPUT_DURATION+4): if(sscanf(argv[cnt],"%lf",&dz->duration)!=1) { sprintf(errstr,"Cannot read duration sent from TK\n"); return(DATA_ERROR); } break; case(INPUT_MINBRK+4): if(sscanf(argv[cnt],"%lf",&dz->minbrk)!=1) { sprintf(errstr,"Cannot read minbrk sent from TK\n"); return(DATA_ERROR); } break; case(INPUT_MAXBRK+4): if(sscanf(argv[cnt],"%lf",&dz->maxbrk)!=1) { sprintf(errstr,"Cannot read maxbrk sent from TK\n"); return(DATA_ERROR); } break; case(INPUT_MINNUM+4): if(sscanf(argv[cnt],"%lf",&dz->minnum)!=1) { sprintf(errstr,"Cannot read minnum sent from TK\n"); return(DATA_ERROR); } break; case(INPUT_MAXNUM+4): if(sscanf(argv[cnt],"%lf",&dz->maxnum)!=1) { sprintf(errstr,"Cannot read maxnum sent from TK\n"); return(DATA_ERROR); } break; default: sprintf(errstr,"case switch item missing: parse_sloom_data()\n"); return(PROGRAM_ERROR); } cnt++; } if(cnt!=PRE_CMDLINE_DATACNT+1) { sprintf(errstr,"Insufficient pre-cmdline params sent from TK\n"); return(DATA_ERROR); } if(true_cnt) cnt = true_cnt; *cmdlinecnt = 0; while(cnt < argc) { if((exit_status = get_tk_cmdline_word(cmdlinecnt,cmdline,argv[cnt]))<0) return(exit_status); cnt++; } return(FINISHED); } /********************************* GET_TK_CMDLINE_WORD *********************************/ int get_tk_cmdline_word(int *cmdlinecnt,char ***cmdline,char *q) { if(*cmdlinecnt==0) { if((*cmdline = (char **)malloc(sizeof(char *)))==NULL) { sprintf(errstr,"INSUFFICIENT MEMORY for TK cmdline array.\n"); return(MEMORY_ERROR); } } else { if((*cmdline = (char **)realloc(*cmdline,((*cmdlinecnt)+1) * sizeof(char *)))==NULL) { sprintf(errstr,"INSUFFICIENT MEMORY for TK cmdline array.\n"); return(MEMORY_ERROR); } } if(((*cmdline)[*cmdlinecnt] = (char *)malloc((strlen(q) + 1) * sizeof(char)))==NULL) { sprintf(errstr,"INSUFFICIENT MEMORY for TK cmdline item %d.\n",(*cmdlinecnt)+1); return(MEMORY_ERROR); } strcpy((*cmdline)[*cmdlinecnt],q); (*cmdlinecnt)++; return(FINISHED); } /****************************** ASSIGN_FILE_DATA_STORAGE *********************************/ int assign_file_data_storage(int infilecnt,dataptr dz) { int exit_status; int no_sndfile_system_files = FALSE; dz->infilecnt = infilecnt; if((exit_status = allocate_filespace(dz))<0) return(exit_status); if(no_sndfile_system_files) dz->infilecnt = 0; return(FINISHED); } /************************* redundant functions: to ensure libs compile OK *******************/ int assign_process_logic(dataptr dz) { return(FINISHED); } void set_legal_infile_structure(dataptr dz) {} int set_legal_internalparam_structure(int process,int mode,aplptr ap) { return(FINISHED); } int setup_internal_arrays_and_array_pointers(dataptr dz) { return(FINISHED); } int establish_bufptrs_and_extra_buffers(dataptr dz) { return(FINISHED); } int read_special_data(char *str,dataptr dz) { return(FINISHED); } int inner_loop (int *peakscore,int *descnt,int *in_start_portion,int *least,int *pitchcnt,int windows_in_buf,dataptr dz) { return(FINISHED); } int get_process_no(char *prog_identifier_from_cmdline,dataptr dz) { return(FINISHED); } /******************************** USAGE1 ********************************/ int usage1(void) { usage2("rotor"); return(USAGE_ONLY); } /**************************** CHECK_ROTOR_PARAM_VALIDITY_AND_CONSISTENCY *****************************/ int check_rotor_param_validity_and_consistency(dataptr dz) { if(!dz->brksize[ROT_PMIN] && !dz->brksize[ROT_PMAX]) { if(flteq(dz->param[ROT_PMIN],dz->param[ROT_PMAX])) { sprintf(errstr,"Zero pitchrange (%lf to %lf) specified.\n",dz->param[ROT_PMIN],dz->param[ROT_PMAX]); return(DATA_ERROR); } else if(dz->param[ROT_PMIN] > dz->param[ROT_PMAX]) { fprintf(stdout,"WARNING: Inverted or pitchrange (%lf to %lf) specified.\n",dz->param[ROT_PMIN],dz->param[ROT_PMAX]); fflush(stdout); } } if(dz->vflag[0]) dz->is_stereo = 1; else dz->is_stereo = 0; return FINISHED; } /********************************************************************************************/ int get_the_process_no(char *prog_identifier_from_cmdline,dataptr dz) { if(!strcmp(prog_identifier_from_cmdline,"rotor")) dz->process = ROTOR; 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,"rotor")) { fprintf(stderr, "USAGE:\n" "rotor rotor 1 fi fo env cnt minp maxp step prot trot phas dur gstp [-ddove] [-s]\n" "rotor rotor 2-3 fi fo env cnt minp maxp step prot trot phas dur [-ddove] [-s]\n" "\n" "Generate note-sets that grow and shrink in pitch-range and speed (and spatial-width).\n" "\n" "Mode 1: Note-set start-times determined by param \"gstp\".\n" "Mode 2: Next Note-set start-time, depends on spacings WITHIN current set.\n" "Mode 3: First event of next note-set overlaid on last event of previous set.\n" "\n" "FI File to be read at different speeds to generate output events.\n" " (should start and end at sample value 0.0, OR use \"dove\")\n" "FO Output file(can be mono or stereo).\n" "ENV Envelope to be imposed over output events.\n" " Envelope duration determines duration of all events.\n" "CNT Number of events in each (changing) set (Range 3 to 127).\n" "MINP Minimum (MIDI) pitch of events (Range 0 to 127).\n" "MAXP Maximum (MIDI) pitch of events (Range 0 to 127).\n" "STEP Maximum timestep between event-onsets (Range 0 to 4 secs).\n" "PROT Number of notesets before pitch-sequence returns to orig (Range 4 to 256).\n" "TROT Number of speeds, before speed returns to original (Range 4 to 256).\n" "PHAS Initial phase difference between prot and trot (range 0 - 1).\n" "DUR Duration of output to generate (Range 1 to 32767).\n" "GSTP (Mode 1 only) timestep between each note-group (Range 1 to 60).\n" "DOVE Size (mS) of start/end dovetails of insound (Range 0 to 5).\n" "\n" "-s Stereo output: output grows and shrinks in spatial width.\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); } /****************************** 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); } /**************************** HANDLE_THE_SPECIAL_DATA ****************************/ int handle_the_special_data(char *str,dataptr dz) { FILE *fp; double dummy, lasttime = 0.0; char temp[200], *p; int istime = 1; int cnt = 0; if((fp = fopen(str,"r"))==NULL) { sprintf(errstr,"Cannot open file %s to read envelope data.\n",str); return(DATA_ERROR); } while(fgets(temp,200,fp)!=NULL) { p = temp; while(isspace(*p)) p++; if(*p == ';' || *p == ENDOFSTR) // Allow comments in file continue; while(get_float_from_within_string(&p,&dummy)) { if(istime) { if(cnt == 0) { if(dummy != 0.0) { sprintf(errstr,"Initial time in data in file %s must be zero.\n",str); return(DATA_ERROR); } } else { if(dummy <= lasttime) { sprintf(errstr,"Times do not advance between %lf and %lf in file %s\n",lasttime,dummy,str); return(DATA_ERROR); } } lasttime = dummy; } else if(dummy > 1.0 || dummy < 0.0) { sprintf(errstr,"Found envelope value (%lf) out of range (0 to 1) in file %s\n",dummy,str); return(DATA_ERROR); } istime = !istime; cnt++; } } if(cnt == 0) { sprintf(errstr,"No data found in file %s\n",str); return(DATA_ERROR); } if(!EVEN(cnt)) { sprintf(errstr,"Data not paired correctly in file %s\n",str); return(DATA_ERROR); } if(cnt < 4) { sprintf(errstr,"Insufficient data found in file %s : Needs at least 2 time-value pairs.\n",str); return(DATA_ERROR); } dz->frametime = (float)lasttime; // Remember duration of envelope dz->rampbrksize = (int)round(dz->frametime * dz->infile->srate); // Remember duration of envelope in samples if((dz->parray = (double **)malloc(sizeof(double *)))==NULL) { sprintf(errstr,"INSUFFICIENT MEMORY to store transposition data.\n"); return(MEMORY_ERROR); } if((dz->parray[0] = (double *)malloc(cnt * sizeof(double)))==NULL) { sprintf(errstr,"INSUFFICIENT MEMORY to store transposition data.\n"); return(MEMORY_ERROR); } cnt = 0; fseek(fp,0,0); while(fgets(temp,200,fp)!=NULL) { p = temp; while(isspace(*p)) p++; if(*p == ';' || *p == ENDOFSTR) // Allow comments in file continue; while(get_float_from_within_string(&p,&dummy)) { dz->parray[0][cnt] = dummy; cnt++; } } fclose(fp); dz->itemcnt = cnt; return FINISHED; } /*************************** CREATE_ROTOR_SNDBUFS **************************/ int create_rotor_sndbufs(dataptr dz) { int n, exit_status; int bigbufsize, inbufsize, evbufsize, maxrotstepsamps, maxrotcnt; double maxrotstep, maxrotcntd; if(dz->sbufptr == 0 || dz->sampbuf==0) { sprintf(errstr,"buffer pointers not allocated: create_sndbufs()\n"); return(PROGRAM_ERROR); } if(dz->brksize[ROT_NSTEP]) { if((exit_status = get_maxvalue_in_brktable(&maxrotstep,ROT_NSTEP,dz))<0) return exit_status; } else maxrotstep = dz->param[ROT_NSTEP]; if(dz->brksize[ROT_CNT]) { // Output may baktrak, noteset to noteset if((exit_status = get_maxvalue_in_brktable(&maxrotcntd,ROT_CNT,dz))<0) return exit_status; maxrotcnt = (int)round(maxrotcntd); } else maxrotcnt = dz->iparam[ROT_CNT]; maxrotstepsamps = (int)ceil(maxrotstep * dz->infile->srate); // maximum size of note dz->buflen = maxrotcnt * maxrotstepsamps; // maximum size of noteset if(dz->is_stereo) dz->buflen *= 2; inbufsize = dz->insams[0] + 1; // Add wrap-around point evbufsize = dz->rampbrksize; // Store size of envelope, in samples evbufsize += 2; // 1 for wraparound, 1 for safety!! if(dz->is_stereo) bigbufsize = inbufsize + (evbufsize * 4) + (dz->buflen * 2); // In mode 0, may need to baktrak, but never more than 1 complete (max)setlen else bigbufsize = inbufsize + (evbufsize * 3) + (dz->buflen * 2); // Need space for outbuf & overflowbuf if((dz->bigbuf = (float *)malloc(bigbufsize * sizeof(float))) == NULL) { sprintf(errstr,"INSUFFICIENT MEMORY to create sound buffers.\n"); return(PROGRAM_ERROR); } // MONO // obuf ovflwbuf eventbuf envelopebuf inbuf // 0 1 2 3 4 // |-------|------------------|------------------|------------------|------------| // // buflen evbufsize evbufsize evbufsize insams[0] // // STEREO // obuf ovflwbuf eventbuf envelopebuf inbuf // 0 1 2 3 4 // |-------|------------------------------------|------------------|------------------|------------| // buflen evbufsize * 2 evbufsize evbufsize insams[0] // // n = 0; dz->sbufptr[n] = dz->sampbuf[n] = dz->bigbuf; n++; // 0 = Output buffer dz->sbufptr[n] = dz->sampbuf[n] = dz->sampbuf[n-1] + (dz->buflen * 2); // size buflen * 2 n++; // 1 = overflow buffer if(dz->is_stereo) // size evbufsize * outchans dz->sbufptr[n] = dz->sampbuf[n] = dz->sampbuf[n-1] + (evbufsize * 2); else dz->sbufptr[n] = dz->sampbuf[n] = dz->sampbuf[n-1] + evbufsize; // 2 = created event n++; // size evbufsize dz->sbufptr[n] = dz->sampbuf[n] = dz->sampbuf[n-1] + evbufsize; // 3 = envelope of event n++; // size evbufsize dz->sbufptr[n] = dz->sampbuf[n] = dz->sampbuf[n-1] + evbufsize; // 4 = insndbuf return(FINISHED); } /************************************* ROTOR_PARAM_PREPROCESS *********************************** * * (1) Read input file to buffer, withg wraparound point, for reading as a waveform table. * (2) Convert input envelope to a sample scale array in another buffer. */ int rotor_param_preprocess(dataptr dz) { int exit_status; double *env = dz->parray[0]; int n, m; double srate = (double)dz->infile->srate, val, thistime; int origbuflen = dz->buflen, nextind, dovecnt; float *ibuf = dz->sampbuf[4]; float *ebuf = dz->sampbuf[3]; dz->buflen = dz->insams[0]; // Read input sound to ibuf if((exit_status = read_samps(ibuf,dz))<0) return(exit_status); if(dz->param[ROT_DOVE] > 0) { dovecnt = (int)round(dz->param[ROT_DOVE] * MS_TO_SECS * dz->infile->srate); if(dovecnt * 2 >= dz->buflen) { sprintf(errstr,"Dovetails too large for input sound.\n"); return DATA_ERROR; } for(n= 0;n < dovecnt; n++) { // Dovetail start val = (double)n/(double)dovecnt; ibuf[n] = (float)(ibuf[n] * val); } // Dovetail end for(n= dz->buflen - 1,m = 0;m < dovecnt; n--,m++) { val = (double)m/(double)dovecnt; ibuf[n] = (float)(ibuf[n] * val); } } ibuf[dz->buflen] = 0; // Wrap-around zero-point dz->buflen = origbuflen; nextind = 2; // Read input envelope array into a sample-scale array in a buffer for(n = 0; n < dz->rampbrksize; n++) { thistime = (double)n/srate; if((exit_status = read_value_from_brkarray(env,&nextind,&val,thistime,dz))<0) return exit_status; ebuf[n] = (float)val; } ebuf[n] = 0.0f; // Wrap-around zero point return FINISHED; } /**************************** READ_VALUE_FROM_BRKARRAY *****************************/ int read_value_from_brkarray(double *env,int *nextind,double *val,double time,dataptr dz) { double thistim, nexttim, thisval, nextval, valdiff, timdiff, timfrac; nexttim = env[*nextind]; while(time > nexttim) { if((*nextind += 2) >= dz->itemcnt) { sprintf(errstr, "Overshot end of envelope brktable while converting to sample-buffer.\n"); return PROGRAM_ERROR; } nexttim = env[*nextind]; } thistim = env[*nextind - 2]; thisval = env[*nextind - 1]; nextval = env[*nextind + 1]; valdiff = nextval - thisval; timdiff = nexttim - thistim; timfrac = (time - thistim)/timdiff; valdiff *= timfrac; *val = thisval + valdiff; return FINISHED; } /**************************** ROTOR *****************************/ int rotor(dataptr dz) { int exit_status, pitch_orient = 1; int obufpos, ovflwsize; float *obuf = dz->sampbuf[0]; int stepcnt, notecnt = dz->iparam[ROT_CNT], kk, tsets_per_cycle; // If there are 5 positions before line returns to orig position. double drotspeed, protspeed, maxtime, duration, maxrange, centre, total_time, local_time, line_angle, p_line_angle; double pitchrange, halfrange, rangebot, thispitch, timestep, thispos, normaliser = 0.0; int m, n; int tabsize = dz->insams[0]; double tabincr = (double)tabsize/(double)dz->infile->srate; // tabincr to read table once per second, i.e. at 1Hz int ochans = 1; if(dz->is_stereo) ochans++; ovflwsize = dz->rampbrksize * ochans; stepcnt = notecnt - 1; // e.g. with 5 notes, there are 4 gaps duration = dz->param[ROT_DUR]; // Total duration of output dz->tempsize = (int)round(duration * dz->infile->srate) * ochans; // Establish scale for loom progress_bar // INITIALISE CONSTANTS for(kk=0;kk<2;kk++) { memset((char *)obuf,0,((dz->buflen * 2) + ovflwsize) * sizeof(float)); obufpos = 0; total_time = 0.0; line_angle = 0.0; dz->total_samps_written = 0; if(kk == 0) time_display(dz->total_samps_written,dz); p_line_angle = dz->iparam[ROT_PHAS] * TWOPI; // Set initla phase of pitch-rotor if(dz->brksize[ROT_TCYC]) { if((exit_status = read_value_from_brktable(total_time,ROT_TCYC,dz))<0) return(exit_status); } tsets_per_cycle = dz->iparam[ROT_TCYC]; // If there are 5 positions before line returns to orig position. drotspeed= 1.0/tsets_per_cycle; // then there is (r=)1/5th of a rotation per line-set. drotspeed *= TWOPI; // Convert to radians. if(dz->brksize[ROT_PCYC]) { if((exit_status = read_value_from_brktable(total_time,ROT_PCYC,dz))<0) return(exit_status); } protspeed = 1.0/dz->iparam[ROT_PCYC]; // How much of a cycle per note-set protspeed *= TWOPI; // Convert to radians. if(dz->brksize[ROT_PMAX]) { if((exit_status = read_value_from_brktable(total_time,ROT_PMAX,dz))<0) return(exit_status); } if(dz->brksize[ROT_PMIN]) { if((exit_status = read_value_from_brktable(total_time,ROT_PMIN,dz))<0) return(exit_status); } maxrange = dz->param[ROT_PMAX] - dz->param[ROT_PMIN]; centre = dz->param[ROT_PMIN] + maxrange/2.0; // Set initial pitch-range params if(dz->brksize[ROT_NSTEP]) { if((exit_status = read_value_from_brktable(total_time,ROT_NSTEP,dz))<0) return(exit_status); } maxtime = dz->param[ROT_NSTEP]; // Set initial maximum timestep between notes. if(kk == 0) { fprintf(stdout,"INFO: Checking output level.\n"); fflush(stdout); } else { if(sloom) fprintf(stdout,"INFO: Writing output.\n"); else fprintf(stdout,"\nINFO: Writing output.\n"); fflush(stdout); } while(total_time < duration) { for(m = 0; m < tsets_per_cycle;m++) { local_time = 0.0; timestep = fabs(maxtime * cos(line_angle)); // Time-step to next event when line is tilted at angle pitchrange = maxrange * sin(p_line_angle); // Range shrunk (or inverted) by sin-function. halfrange = pitchrange/2.0; // If inverted, halfrange is -ve halfrange *= pitch_orient; // Inverts range on passing through 2PI rangebot = centre - halfrange; // and "rangebot" is at top for(n = 0;n < stepcnt; n++) { // CACULATE PITCH OF EVENT FROM ROTATING ARM, AND POSITION ON ARM thispos = (double)n/(double)stepcnt; // relative position in range (normalised 0-1) thispitch = thispos * pitchrange; // but "thispitch" here is -ve thispitch *= pitch_orient; thispitch += rangebot; // So true pitch is subtracted from top of range // WRITE OUTPUT EVENT if(kk == 0) { if((exit_status = get_event_level(total_time+local_time,thispitch,tabincr,tabsize,&obufpos,&normaliser,line_angle,thispos,dz))<0) // Check output level return exit_status; } else { if((exit_status = write_event(total_time+local_time,thispitch,tabincr,tabsize,&obufpos,normaliser,line_angle,thispos,dz))<0) // Write all events except last return exit_status; } // ADVANCE TIME, VIA TIME-ROTATOR local_time += timestep; } // WRITE FINAL EVENT OF TIME-SET thispos = (double)n/(double)stepcnt; thispitch = thispos * pitchrange; thispitch *= pitch_orient; thispitch += rangebot; if(kk == 0) { if((exit_status = get_event_level(total_time+local_time,thispitch,tabincr,tabsize,&obufpos,&normaliser,line_angle,thispos,dz))<0) // Check output level return exit_status; } else { if((exit_status = write_event(total_time+local_time,thispitch,tabincr,tabsize,&obufpos,normaliser,line_angle,thispos,dz))<0) // Write last_event return exit_status; } // AT END OF A COMPLETE SET, Read any time-varying params // PITCH ROTOR CONTINUES TO ROTATE p_line_angle += protspeed; // Advance pitch-rotator angle if(p_line_angle >= TWOPI) { // If pitchrotor cycle completed if(dz->brksize[ROT_PCYC]) { if((exit_status = read_value_from_brktable(total_time,ROT_PCYC,dz))<0) return(exit_status); protspeed = 1.0/dz->iparam[ROT_PCYC]; // How much of a cycle per note-set protspeed *= TWOPI; // Convert to radians. } p_line_angle -= TWOPI; pitch_orient = -pitch_orient; } if(p_line_angle < PI/2.0 || p_line_angle >= 3 * PI/2.0) pitch_orient = 1; else pitch_orient = -1; // Update any (other) timer-varying params, at end of a noteset if(dz->brksize[ROT_PMIN] || dz->brksize[ROT_PMAX]) { if(dz->brksize[ROT_PMIN]) { if((exit_status = read_value_from_brktable(total_time,ROT_PMIN,dz))<0) return(exit_status); } if(dz->brksize[ROT_PMAX]) { if((exit_status = read_value_from_brktable(total_time,ROT_PMAX,dz))<0) return(exit_status); } maxrange = dz->param[ROT_PMAX] - dz->param[ROT_PMIN]; centre = dz->param[ROT_PMIN] + maxrange/2.0; } if(dz->brksize[ROT_NSTEP]) { if((exit_status = read_value_from_brktable(total_time,ROT_NSTEP,dz))<0) return(exit_status); maxtime = dz->param[ROT_NSTEP]; } if(dz->brksize[ROT_TCYC]) { if((exit_status = read_value_from_brktable(total_time,ROT_TCYC,dz))<0) return(exit_status); // Cannot alter the tsets_per_cycle inside this loop (do it after exiting loop, below) drotspeed= 1.0/dz->iparam[ROT_TCYC]; drotspeed *= TWOPI; } if((line_angle += drotspeed) >= TWOPI) line_angle -= TWOPI; // locate start of next TSET switch(dz->mode) { case(0): if(dz->brksize[ROT_GSTEP]) { if((exit_status = read_value_from_brktable(total_time,ROT_GSTEP,dz))<0) return(exit_status); } // Get step to next note-set as input param total_time += dz->param[ROT_GSTEP]; break; case(1): // All events have already been written total_time += local_time + timestep; break; case(2): // Keep group time where last group was placed total_time += local_time; break; // (1st event of next set superimposed on last event this set) } if(total_time >= duration) break; } // Add the end of a complete rotation of groups-of-notesets, read any time-varying time-rotation data if(dz->brksize[ROT_TCYC]) { if((exit_status = read_value_from_brktable(total_time,ROT_TCYC,dz))<0) return(exit_status); tsets_per_cycle = dz->iparam[ROT_TCYC]; // We already know drotspeed from reading table above } } if(kk == 0) { if(obufpos > 0) { for(n=0;n normaliser) normaliser = fabs(obuf[n]); } } normaliser = 0.95/normaliser; } else { if(obufpos > 0) { if(normaliser < 1.0) { for(n=0;nsampbuf[0]; float *nbuf = dz->sampbuf[2]; float *ebuf = dz->sampbuf[3]; // Create envelope of length of required event, at srate float *ibuf = dz->sampbuf[4]; double frq = miditohz(thispitch); int eventsamps = dz->rampbrksize,n,k,ovflwsize; double tabpos = 0.0, frac, diff, relpos, reldist, temp, lpos, rpos,thisval; int thispos, nextpos, bufpos; int ochans = 1; if(dz->is_stereo) ochans++; ovflwsize = dz->rampbrksize * ochans; tabincr *= frq; // Frq-related table-read increment for(n = 0; n< eventsamps;n++) { thispos = (int)floor(tabpos); // Read input sample by interpolation nextpos = thispos+1; // with incr determined by pitch/frq frac = tabpos - thispos; diff = ibuf[nextpos] - ibuf[thispos]; diff *= frac; thisval = ibuf[thispos] + diff; nbuf[n] = (float)(thisval * ebuf[n]); // Scale by input envelope tabpos += tabincr; if(tabpos >= tabsize) tabpos -= tabsize; } bufpos = (int)round(time * dz->infile->srate) * ochans; bufpos -= dz->total_samps_written; while(bufpos >= (dz->buflen * 2) + ovflwsize) { // In case bufpos jumps ahead beyond buffer if(normaliser < 1.0) { // Only write (1) buflen if we've also filled the overflow buffer for(k=0;kbuflen;k++) { // so that we can potentially backtrack over the buflen obuf[k] = (float)(obuf[k] * normaliser); } } if((exit_status = write_rotor_samps(obuf,dz->buflen,dz))<0) return(exit_status); memcpy((char *)obuf,(char *)(obuf+dz->buflen),(ovflwsize + dz->buflen) * sizeof(float)); memset((char *)(obuf + dz->buflen + ovflwsize),0,dz->buflen * sizeof(float)); bufpos -= dz->buflen; } if(dz->is_stereo) { // Change position range from (normalised) 0 to 1 pos *= 2.0; // to 0 to 2 pos -= 1.0; // to -1 to +1 pos *= cos(line_angle); // Scale according to line angle : (-1 to 1) at cos(0)==1 --> (-1 to 1) if(pos < 0) // (-1 to 1) at cos(PI/2)==0 --> (0 to 0) squeezed to centre relpos = -pos; // (-1 to 1) at cos(PI)==-1 --> (1 to -1) range inverted : ETC else // Do hole-in-middle compensation relpos = pos; temp = 1.0 + (relpos * relpos); reldist = ROOT2 / sqrt(temp); temp = (pos + 1.0) / 2.0; rpos = temp * reldist; lpos = (1.0 - temp ) * reldist; for(n = 0; n< eventsamps;n++) { // Add new event into output stream if(bufpos >= (dz->buflen * 2) + ovflwsize) { if(normaliser < 1.0) { for(k=0;kbuflen;k++) { obuf[k] = (float)(obuf[k] * normaliser); } } if((exit_status = write_rotor_samps(obuf,dz->buflen,dz))<0) return(exit_status); memcpy((char *)obuf,(char *)(obuf+dz->buflen),(ovflwsize + dz->buflen) * sizeof(float)); memset((char *)(obuf + dz->buflen + ovflwsize),0,dz->buflen * sizeof(float)); bufpos -= dz->buflen; } obuf[bufpos] = (float)(obuf[bufpos] + (nbuf[n] * lpos)); bufpos++; obuf[bufpos] = (float)(obuf[bufpos] + (nbuf[n] * rpos)); bufpos++; } } else { for(n = 0; n< eventsamps;n++) { // Add new event into output stream if(bufpos >= (dz->buflen * 2) + ovflwsize) { if(normaliser < 1.0) { for(k=0;kbuflen;k++) obuf[k] = (float)(obuf[k] * normaliser); } if((exit_status = write_rotor_samps(obuf,dz->buflen,dz))<0) return(exit_status); memcpy((char *)obuf,(char *)(obuf+dz->buflen),(ovflwsize + dz->buflen) * sizeof(float)); memset((char *)(obuf + dz->buflen + ovflwsize),0,dz->buflen * sizeof(float)); bufpos -= dz->buflen; } obuf[bufpos] = (float)(obuf[bufpos] + nbuf[n]); bufpos++; } } *obufpos = bufpos; return FINISHED; } /******************************************* GET_EVENT_LEVEL *******************************/ int get_event_level(double time,double thispitch,double tabincr,int tabsize,int *obufpos,double *normaliser,double line_angle,double pos,dataptr dz) { float *obuf = dz->sampbuf[0]; float *nbuf = dz->sampbuf[2]; float *ebuf = dz->sampbuf[3]; // Create envelope of length of required event, at srate float *ibuf = dz->sampbuf[4]; double frq = miditohz(thispitch); int eventsamps = dz->rampbrksize,n,k, ovflwsize; double tabpos = 0.0, frac, diff, thisval, relpos, temp, reldist, rpos,lpos; int thispos, nextpos, bufpos; int ochans = 1; if(dz->is_stereo) ochans++; ovflwsize = dz->rampbrksize * ochans; tabincr *= frq; // Frq-related table-read increment for(n = 0; n< eventsamps;n++) { thispos = (int)floor(tabpos); // Read input sample by interpolation nextpos = thispos+1; // with incr determined by pitch/frq frac = tabpos - thispos; diff = ibuf[nextpos] - ibuf[thispos]; diff *= frac; thisval = ibuf[thispos] + diff; nbuf[n] = (float)(thisval * ebuf[n]); // Scale by input envelope tabpos += tabincr; if(tabpos >= tabsize) tabpos -= tabsize; } bufpos = (int)round(time * dz->infile->srate) * ochans; bufpos -= dz->total_samps_written; while(bufpos >= (dz->buflen * 2) + ovflwsize) { // In case bufpos jumps ahead beyond buffer for(k=0;kbuflen;k++) { if(fabs(obuf[k]) > *normaliser) *normaliser = fabs(obuf[k]); } dz->total_samps_written += dz->buflen; time_display(dz->total_samps_written,dz); memcpy((char *)obuf,(char *)(obuf+dz->buflen),(ovflwsize + dz->buflen) * sizeof(float)); memset((char *)(obuf + dz->buflen + ovflwsize),0,dz->buflen * sizeof(float)); bufpos -= dz->buflen; } if(dz->is_stereo) { pos *= 2.0; // to 0 to 2 pos -= 1.0; // to -1 to +1 pos *= cos(line_angle); // Scale according to line angle : (-1 to 1) at cos(0)==1 --> (-1 to 1) if(pos < 0) // (-1 to 1) at cos(PI/2)==0 --> (0 to 0) squeezed to centre relpos = -pos; // (-1 to 1) at cos(PI)==-1 --> (1 to -1) range inverted : ETC else // Do hole-in-middle compensation relpos = pos; temp = 1.0 + (relpos * relpos); reldist = ROOT2 / sqrt(temp); temp = (pos + 1.0) / 2.0; rpos = temp * reldist; lpos = (1.0 - temp ) * reldist; for(n = 0; n< eventsamps;n++) { // Add new event into output stream if(bufpos >= (dz->buflen * 2) + ovflwsize) { for(k=0;kbuflen;k++) { if(fabs(obuf[k]) > *normaliser) *normaliser = fabs(obuf[k]); } dz->total_samps_written += dz->buflen; time_display(dz->total_samps_written,dz); memcpy((char *)obuf,(char *)(obuf+dz->buflen),(ovflwsize + dz->buflen) * sizeof(float)); memset((char *)(obuf + dz->buflen + ovflwsize),0,dz->buflen * sizeof(float)); bufpos -= dz->buflen; } obuf[bufpos] = (float)(obuf[bufpos] + (nbuf[n] * lpos)); bufpos++; obuf[bufpos] = (float)(obuf[bufpos] + (nbuf[n] * rpos)); bufpos++; } } else { for(n = 0; n< eventsamps;n++) { // Add new event into output stream if(bufpos >= (dz->buflen * 2) + ovflwsize) { for(k=0;kbuflen;k++) { if(fabs(obuf[k]) > *normaliser) *normaliser = fabs(obuf[k]); } dz->total_samps_written += dz->buflen; time_display(dz->total_samps_written,dz); memcpy((char *)obuf,(char *)(obuf+dz->buflen),(ovflwsize + dz->buflen) * sizeof(float)); memset((char *)(obuf + dz->buflen + ovflwsize),0,dz->buflen * sizeof(float)); bufpos -= dz->buflen; } obuf[bufpos] = (float)(obuf[bufpos] + nbuf[n]); bufpos++; } } *obufpos = bufpos; return FINISHED; } /******************************* TIME_DISPLAY **************************/ void time_display(int samps_sent,dataptr dz) { if(sloom) dz->process = MTOS; display_virtual_time(samps_sent,dz); if(sloom) dz->process = ROTOR; } /******************************* WRITE_ROTOR_SAMPS **************************/ int write_rotor_samps(float *obuf,int samps_sent,dataptr dz) { int exit_status; if(sloom) // Ensures correct setting of progress bar dz->process = MTOS; if((exit_status = write_samps(obuf,samps_sent,dz))<0) return(exit_status); if(sloom) dz->process = ROTOR; return FINISHED; }