/* * Copyright (c) 1983-2013 Trevor Wishart and Composers Desktop Project Ltd * http://www.trevorwishart.co.uk * http://www.composersdesktop.com * This file is part of the CDP System. The CDP System is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The CDP System is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the CDP System; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * */ /* IDea here is to place a crystal in 3d space, * Then to rotate crystal in 3d space, reading the position of the vertices as they appear projected onto the x-y plane. * * If the original coordinates of a point (on a sphere) are x.y.z * then a rotation about the z-axis of X radians is given by matrix * * cos(X) sin(x) 0 * -sin(X) cos(X) 0 * 0 0 1 * * This creates new points (x',y',z') thus * * x' = cos(X)*x + sin(X)*y + 0*z * y' = -sin(X)*x + cos(X)*y + 0*z * z' = 0*x + 0*y + 1*z * * * For a rotation around the y axis of Y radians, matrix is * * cos(Y) 0 sin(Y) * 0 1 0 * -sin(Y) 0 cos(Y) * * This creates new points (x',y',z') thus * * x' = cos(Y)*x + 0*y + sin(Y)*z * y' = 0*x + 1*y + 0*z * z' = -sin(Y)*x + 0*y + cos(Y)*z * * Calculate X and Y from the angular rotation speeds, and timestep, and apply them successively. * * * params pos(xyz) 0 1 2 3 4 5 6 7 8 9 * params of each vertex ROTRATE-A ROTRATE-B TIMESTEP DURATION LOWPITCH HIPITCH TIMEWIDTH CHANS FILT-PASS FILT_STOP * crystal rotate inf [inf2 ...] outf special rotA rotB tstep dur pl ph tw ch fp fs * */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include // PARAMS // ARRAYS #define ORIG_VTX_DATA (0) #define VERTEX_DATA (1) #define ENV_DATA (2) #define CRY_DEN1 (3) #define CRY_DEN2 (4) #define CRY_CN (5) #define CRY_S1 (6) #define CRY_E1 (7) #define CRY_S2 (8) #define CRY_E2 (9) //SND BUFFERS //RWD OBUF and IBUF already defined in standalpone.h. So we need local names here #define THISOBUF (0) // Output (multichan) buf #define OVFLWBUF (1) // Overflow #define TRNSBUF (2) // Trnasposed (by delay-process) sound buf #define ENVBUF (3) // Enveloped-sound buf #define FSBUF (4) // Filter or stack buffer #define EBUF (5) // Raw-envelope buf #define THISIBUF (6) // Input buf (or start of several input buffers) // INTERNAL CONSTANTS #define CRY_MINFBWIDTH (50.0) // Minimum gap between pass and stop bands of filter #define CRY_LBF (200) // Param used in filter definitions #define MAX_PROPORTION_8UP_IN_STAK (0.66) // Max amount of 8va transposed version mixed into staks #define MAXCRYSLEVEL (0.95) // At present, transposed sounds normalised to 0.95. // If this results in stacks becoming less loud than non-stacks, change this to e.g. 0.5 ??? #define ALL_CHANS (8) // Channel count for 8-chan output #define SIGNAL_TO_LEFT (0) #define SIGNAL_TO_RIGHT (1) #define SAFETY (16) #define CRY_DOVE (0.002) // 2mS dovetail of start and end of srcs #define CRY_STKFAC (2.0) // Relation between the slope for introducing the 8va up transpos in the stack // and the slope for introducing the two-oct transposition. // e.g. if 8va slope is 0.5, 2_8va slope is 1 #define ROOT2 (1.4142136) #define DOTEST 1 #define stackpeak total_windows #define no_of_vertices itemcnt #define envdatalen ringsize #define outcnt could_be_transpos #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_crystal_param_validity_and_consistency(dataptr dz); static int setup_crystal_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_crystal_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_crystal_sndbufs(dataptr dz); static int crystal_param_preprocess(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 int stack_enveld_snd(double closeness, dataptr dz); static int envelope_sound(int do_normalise,dataptr dz); static int get_vectorlen(double *vectorlen,double x,double y,double z); static void do_lphp_filter(dataptr dz); static void initialise_filter_coeffs_lphp(dataptr dz); static void calculate_filter_poles_lphp(double signd,int filter_order,dataptr dz); static int allocate_internal_params_lphp(dataptr dz); static int establish_order_of_filter(dataptr dz); static int setup_lphp_filter(dataptr dz); static int filter_sound(double z, dataptr dz); static int delay_transpose_input_sound(double midipitch, int n, dataptr dz); static int calculate_pitch_and_time_params(double *midipitch,int *monosamptime,double x,double y,double eventtime,dataptr dz); static int crystal_rotate(dataptr dz); static int set_the_legal_internalparam_structure(aplptr ap); static int handle_the_extra_infiles(char ***cmdline,int *cmdlinecnt,dataptr dz); static void doperm(int *perm,int permlen); static void hinsert(int m,int t,int *perm,int permlen); static void hprefix(int m,int *perm,int permlen); static void hshuflup(int k,int *perm,int permlen); static int calculate_time_params(int *monosamptime,double x,double eventtime,dataptr dz) ; static int check_position_of_event_group_in_output_buf(int passno,double *maxlevel,int *maxwrite,int minsamptime,double normaliser,dataptr dz); static int write_sound_into_output_buf(int monosamptime,int minsamptime,double x,int eightrot,int *maxwrite,dataptr dz); static void rotate_vertex(double *x,double *y,double *z,double rotation_in_xy_plane,double rotation_in_xz_plane,int vertexno,double eventtime,int *warning); static void pancalc(double position,double *leftgain,double *rightgain); static void dovetail(int dovelen, dataptr dz); static int write_rotated_crystal_sound(float *obuf,int maxwrite, 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 = 10; 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_crystal_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_crystal_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++; if((exit_status = handle_the_extra_infiles(&cmdline,&cmdlinecnt,dz))<0) { print_messages_and_close_sndfiles(exit_status,is_launched,dz); return(FAILED); } // handle_outfile() = if((exit_status = handle_the_outfile(&cmdlinecnt,&cmdline,dz))<0) { print_messages_and_close_sndfiles(exit_status,is_launched,dz); return(FAILED); } // handle_formants() redundant // handle_formant_quiksearch() redundant // 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_crystal_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 = 6; dz->bufcnt += dz->infilecnt; 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_crystal_sndbufs(dz))<0) { print_messages_and_close_sndfiles(exit_status,is_launched,dz); return(FAILED); } //param_preprocess .... if((exit_status = crystal_param_preprocess(dz))<0) { print_messages_and_close_sndfiles(exit_status,is_launched,dz); return(FAILED); } //spec_process_file = if((exit_status = crystal_rotate(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; // Flags 1 or more infiles return(exit_status); //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, k; 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"); if(dz->mode == 9) { k = strlen(dz->outfilename); if(sloom) k -= 5; // No need to store "0.wav" else k -= 4; // No need to store ".wav" if((dz->wordstor = (char **)malloc(1 * sizeof(char *)))==NULL) { sprintf(errstr,"INSUFFICIENT MEMORY to store generic name of outputfile (A).\n"); return(MEMORY_ERROR); } if((dz->wordstor[0] = (char *)malloc((k+1) * sizeof(char)))==NULL) { // need extra space for ENDOFSTRING sprintf(errstr,"INSUFFICIENT MEMORY to store generic name of outputfile (B).\n"); return(MEMORY_ERROR); } strncpy(dz->wordstor[0],dz->outfilename,k); strcpy(dz->outfilename,dz->wordstor[0]); strcat(dz->outfilename,"0"); strcat(dz->outfilename,".wav"); dz->outcnt = 0; } (*cmdline)++; (*cmdlinecnt)--; return(FINISHED); } /************************ OPEN_THE_OUTFILE *********************/ int open_the_outfile(dataptr dz) { int exit_status; if(dz->mode < 2) dz->infile->channels = dz->mode + 1; else if(dz->mode == 9) dz->infile->channels = 2; else dz->infile->channels = ALL_CHANS; dz->outchans = dz->infile->channels; 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_CRYSTAL_APPLICATION *******************/ int setup_crystal_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 exit_status = set_param_data(ap,CRYSTALDAT,7,7,"DDDDdDD"); if(exit_status<0) return(FAILED); if((exit_status = set_vflgs(ap,"psaPFS",6,"dddddd","",0,0,""))<0) return(FAILED); if((exit_status = set_the_legal_internalparam_structure(ap))<0) return(exit_status); /* LIBRARY */ // set_legal_infile_structure --> dz->has_otherfile = FALSE; // assign_process_logic --> dz->input_data_type = ONE_OR_MANY_SNDFILES; 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_CRYSTAL_PARAM_RANGES_AND_DEFAULTS *******************/ int setup_crystal_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[CRY_ROTA] = CRY_ROT_MIN; ap->hi[CRY_ROTA] = CRY_ROT_MAX; ap->default_val[CRY_ROTA] = 0.1; ap->lo[CRY_ROTB] = CRY_ROT_MIN; ap->hi[CRY_ROTB] = CRY_ROT_MAX; ap->default_val[CRY_ROTB] = 0.1; ap->lo[CRY_TWIDTH] = CRY_TW_MIN; ap->hi[CRY_TWIDTH] = CRY_TW_MAX; ap->default_val[CRY_TWIDTH] = 1; ap->lo[CRY_TSTEP] = CRY_TSTEP_MIN; ap->hi[CRY_TSTEP] = CRY_TSTEP_MAX; ap->default_val[CRY_TSTEP] = 1; ap->lo[CRY_DUR] = 0.1; ap->hi[CRY_DUR] = CRY_DUR_MAX; ap->default_val[CRY_DUR] = 20; ap->lo[CRY_PLO] = 0; ap->hi[CRY_PLO] = 127; ap->default_val[CRY_PLO] = 36; ap->lo[CRY_PHI] = 0; ap->hi[CRY_PHI] = 127; ap->default_val[CRY_PHI] = 72; ap->lo[CRY_FPASS] = 16; ap->hi[CRY_FPASS] = 4000; ap->default_val[CRY_FPASS] = CRY_PASSBAND; ap->lo[CRY_FSTOP] = 50; ap->hi[CRY_FSTOP] = 8000; ap->default_val[CRY_FSTOP] = CRY_STOPBAND; ap->lo[CRY_FATT] = -96; ap->hi[CRY_FATT] = 0; ap->default_val[CRY_FATT] = CRY_FATT_DFLT; ap->lo[CRY_FPRESC] = 0; ap->hi[CRY_FPRESC] = 1; ap->default_val[CRY_FPRESC] = CRY_FPRESC_DFLT; ap->lo[CRY_FSLOPE] = 0.1; ap->hi[CRY_FSLOPE] = 10; ap->default_val[CRY_FSLOPE] = CRYS_DEPTH_ATTEN; ap->lo[CRY_SSLOPE] = 0.1; ap->hi[CRY_SSLOPE] = 10; ap->default_val[CRY_SSLOPE] = CRYS_PROX_ATTEN; dz->maxmode = 10; 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_crystal_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); } /****************************** SET_THE_LEGAL_INTERNALPARAM_STRUCTURE *********************************/ int set_the_legal_internalparam_structure(aplptr ap) { int exit_status; if((exit_status = set_internalparam_data("id",ap))<0) return exit_status; 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() { usage2("rotate"); return(USAGE_ONLY); } /**************************** CHECK_CRYSTAL_PARAM_VALIDITY_AND_CONSISTENCY *****************************/ int check_crystal_param_validity_and_consistency(dataptr dz) { double temp; if(!dz->brksize[CRY_PLO] && !dz->brksize[CRY_PHI]) { if(flteq(dz->param[CRY_PLO],dz->param[CRY_PHI])) { sprintf(errstr,"Zero pitchrange (%lf to %lf) specified.\n",dz->param[CRY_PLO],dz->param[CRY_PHI]); return(DATA_ERROR); } else if(dz->param[CRY_PLO] > dz->param[CRY_PHI]) { fprintf(stdout,"WARNING: Inverted pitchrange (%lf to %lf) specified.\n",dz->param[CRY_PLO],dz->param[CRY_PHI]); fflush(stdout); } } if(dz->brksize[CRY_TSTEP]) dz->param[CRY_TSTEP] = dz->brk[CRY_TSTEP][1]; if(dz->param[CRY_DUR] < dz->param[CRY_TSTEP]) { sprintf(errstr,"Output duration (%lf) less than timestep (%lf) from 1st event to next.\n",dz->param[CRY_DUR],dz->param[CRY_TSTEP]); return(DATA_ERROR); } if(dz->brksize[CRY_TWIDTH]) dz->param[CRY_TWIDTH] = dz->brk[CRY_TWIDTH][1]; if(dz->param[CRY_DUR] < dz->param[CRY_TWIDTH]) { sprintf(errstr,"Output duration (%lf) less than timewidth of first event (%lf).\n",dz->param[CRY_DUR],dz->param[CRY_TWIDTH]); return(DATA_ERROR); } if(dz->param[CRY_FPASS] > dz->param[CRY_FSTOP]) { temp = dz->param[CRY_FPASS]; dz->param[CRY_FPASS] = dz->param[CRY_FSTOP]; dz->param[CRY_FSTOP] = temp; } if((temp = dz->param[CRY_FSTOP] - dz->param[CRY_FPASS]) < CRY_MINFBWIDTH) { sprintf(errstr,"Frequency difference between filter pass and stop bands (%lf) too small (min %lf Hz).\n",temp,CRY_MINFBWIDTH); return(DATA_ERROR); } return FINISHED; } /********************************************************************************************/ int get_the_process_no(char *prog_identifier_from_cmdline,dataptr dz) { if(!strcmp(prog_identifier_from_cmdline,"rotate")) dz->process = CRYSTAL; 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,"rotate")) { fprintf(stderr, "crystal rotate 1-10 fi [fi2 fi3..] fo vdat rota rotb twidth tstep dur plo phi\n" " [-ppass -sstop] [-afatt] [-Pfpresc] [-Ffslope] [-Ssslope]\n" "\n" "Generate N snd-events based on position of N vertices of a crystal,\n" "Then rotate crystal in 3-d space, and generate another group of N events, etc.\n" "X coord -> time &, if stereo, space-position; Y -> pitch; Z -> brightness..i.e.\n" "Z-far snds lopass-filtrd mixed to orig; Z-close snds, 8va up, stacked on orig.\n" "\n" "FI One Mono infile, multiply-read (with delay), generating out-events.\n" " OR N mono infiles, generating different events for N vertices.\n" "FO Output file.\n" "VDAT Data file contains\n" " (1) Triples, being (initial) X,Y,Z, coords of CRYSTAL VERTICES.\n" " Range > -1 to <1. Xsquared + Ysqrd + Zsqrd < 1 for all vertices.\n" " (2) Time-val pairs defining envelope imposed on sound events.\n" " Times start at 0 & increase. Final time = duration of events.\n" " Value range 0 to 1. First and last values must be zero.\n" "ROTA,ROTB Rotate speed in xy_plane, & xz_plane, revs per sec (Range %.2lf to %.2lf)\n" "TWIDTH Max time between onsets of 1st and last event in any N-events group.\n" "TSTEP Time-step between each sampling of all N vertices of rotating-crystal.\n" "DUR Total duration of output (must be greater than TSTEP and TWIDTH).\n" "PLO,PHI Minimum and Maximum (MIDI) pitch of any event.\n" "PASS,STOP Pass+stop bands (Hz) for lopass filter.(stopfrq - passfrq >= %.0lf Hz).\n" "FATT Max attenuation produced by filter-stop (dB) Range 0 to -96.\n" "FPRESC Gain applied to attenuate source before applying filter (0-1).\n" "FSLOPE Slope curve mixing filtered to unfilt snd (depth). (Range %.2lf to %.2lf).\n" "SSLOPE Slope curve mixing transposed snd to orig (close). (Range %.2lf to %.2lf).\n" " In both cases Linear slope = 1.0\n" "FOG Generic name for output files.\n" "OUTCNT Number of rotated-sets to output.\n" "MODES\n" "1 Mono output\n" "2 Stereo output\n" "3 Two chans of 8-chan output, spaced by single channel (here, chans 1 & 3).\n" "4,5,6 Ditto, chan-pair steps clockwise,anticlock or randomly btwn groups-of-events.\n" "7,8,9 Ditto, but pair of chans adjacent (e.g. 1,2 or 5,6).\n" "10 Stereo output: each set-of-vertices output as a separate soundfile.\n", CRY_ROT_MIN,CRY_ROT_MAX,CRY_MINFBWIDTH,MIN_FSLOPE,MAX_FSLOPE,MIN_SSLOPE,MAX_SSLOPE); } 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 **************************** * * Series of lines containing x,y,z coords of crystal vertices. * ... followed by envelope data for creating sound from infile. */ int handle_the_special_data(char *str,dataptr dz) { FILE *fp; double dummy = -1.0, sum, vectorlen, lasttime, x, y, z; char temp[200], *p; int cnt = 0, linecnt = 0, vertexcnt = 0, datacnt = 0, jj, envelcnt = 0, k; int istime, inenvel = 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) { cnt = 0; p = temp; while(isspace(*p)) p++; if(*p == ';' || *p == ENDOFSTR) // Allow comments in file continue; while(get_float_from_within_string(&p,&dummy)) cnt++; if(inenvel) envelcnt += cnt; else { if(cnt != 3) { if(vertexcnt == 0) { // Must read all vertex-triples before reading envelope sprintf(errstr,"Data in line %d not valid triples (x:y:z coords) in file %s\n",linecnt+1,str); return(DATA_ERROR); } else { // Once all triples read, before counting envelope data, note size of triples-data inenvel = 1; envelcnt += cnt; } } else { vertexcnt++; } } linecnt++; } if(linecnt == 0) { sprintf(errstr,"No data found in file %s\n",str); return(DATA_ERROR); } if(vertexcnt == 0) { sprintf(errstr,"No crystal vertex data found in file %s\n",str); return(DATA_ERROR); } datacnt = vertexcnt * 3; if(envelcnt == 0) { sprintf(errstr,"No envelope data found in file %s\n",str); return(DATA_ERROR); } if(ODD(envelcnt)) { sprintf(errstr,"envelope data not paired corectly in file %s\n",str); return(DATA_ERROR); } if(dz->infilecnt > 1 && vertexcnt != dz->infilecnt) { sprintf(errstr,"Number of input files (%d) does not correspond with number of vertices (%d)\n",dz->infilecnt,vertexcnt); return DATA_ERROR; } istime = 1; fseek(fp,0,0); linecnt = 0; cnt = 0; lasttime = -1.0; while(fgets(temp,200,fp)!=NULL) { p = temp; while(isspace(*p)) p++; if(*p == ';' || *p == ENDOFSTR) // Allow comments in file continue; while(get_float_from_within_string(&p,&dummy)) { if(cnt < datacnt) { k = cnt % 3; if(dummy > 1.0 || dummy < -1.0) { switch(k) { case(0): sprintf(errstr,"Crystal X-coord (%lf) out of range (-1 to 1) in line %d file %s\n",dummy,linecnt+1,str); break; case(1): sprintf(errstr,"Crystal Y-coord (%lf) out of range (-1 to 1) in line %d file %s\n",dummy,linecnt+1,str); break; case(2): sprintf(errstr,"Crystal Z-coord (%lf) out of range (-1 to 1) in line %d file %s\n",dummy,linecnt+1,str); break; } return(DATA_ERROR); } } else { if(istime) { if(lasttime < 0.0) { if(dummy != 0.0) { sprintf(errstr,"First time in envelope data (%lf) not at zero in line %d file %s\n",dummy,linecnt+1,str); return(DATA_ERROR); } } else if(dummy <= lasttime) { sprintf(errstr,"Times do not advance in envelope data at time (%lf) in line %d file %s\n",dummy,linecnt+1,str); return(DATA_ERROR); } lasttime = dummy; } else { if(lasttime == 0.0) { // Envelope values must start at zero if(dummy != 0.0) { sprintf(errstr,"First envelope value (%lf) is not zero in line %d file %s\n",dummy,linecnt+1,str); return(DATA_ERROR); } } else if(dummy < 0.0 || dummy > 1.0) { sprintf(errstr,"Envelope value (%lf) out of range (0 to 1) in line %d file %s\n",dummy,linecnt+1,str); return(DATA_ERROR); } } istime = !istime; } cnt++; } linecnt++; } if(dummy != 0.0) { sprintf(errstr,"Last envelope value (%lf) is not zero in line %d file %s\n",dummy,linecnt,str); return(DATA_ERROR); } if((dz->parray = (double **)malloc(10 * sizeof(double *)))==NULL) { sprintf(errstr,"INSUFFICIENT MEMORY to store crystal special data.\n"); return(MEMORY_ERROR); } if((dz->parray[ORIG_VTX_DATA] = (double *)malloc(datacnt * sizeof(double)))==NULL) { // Stores initial coords of cristal vertices sprintf(errstr,"INSUFFICIENT MEMORY to store crystal vertex coords data.\n"); return(MEMORY_ERROR); } if((dz->parray[VERTEX_DATA] = (double *)malloc(datacnt * sizeof(double)))==NULL) { // Stores coords of cristal vertices as they rotate sprintf(errstr,"INSUFFICIENT MEMORY to store crystal vector data.\n"); return(MEMORY_ERROR); } if((dz->parray[ENV_DATA] = (double *)malloc(envelcnt * sizeof(double)))==NULL) { // Stores sound-events-envelope sprintf(errstr,"INSUFFICIENT MEMORY to store envelope data.\n"); return(MEMORY_ERROR); } dz->no_of_vertices = vertexcnt; dz->envdatalen = envelcnt; 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)) { if(cnt < datacnt) dz->parray[ORIG_VTX_DATA][cnt] = dummy; // Store initial coords of crystal vertices else dz->parray[ENV_DATA][cnt - datacnt] = dummy; // Store sound-envelope data cnt++; } } fclose(fp); for(vertexcnt = 0; vertexcnt < dz->no_of_vertices; vertexcnt++) { jj = vertexcnt * 3; sum = 0.0; x = dz->parray[ORIG_VTX_DATA][jj]; y = dz->parray[ORIG_VTX_DATA][jj+1]; z = dz->parray[ORIG_VTX_DATA][jj+2]; if((get_vectorlen(&vectorlen,x,y,z))<0) { sprintf(errstr,"vertex %d lies outside the unit sphere.\n",vertexcnt+1); return DATA_ERROR; } } dz->rampbrksize = (int)ceil(lasttime * dz->infile->srate); // Remember duration of envelope, in samples return FINISHED; } /**************************** CRYSTAL_ROTATE ****************************/ int crystal_rotate(dataptr dz) { int passno, warning = 0, *perm, permno, exit_status, eightrot, vertexno; int vertexbas, vertindex, monosamptime, i; int maxwrite = 0, grpcnt, minsamptime; double *vertexcoord = dz->parray[VERTEX_DATA], rotation_in_xy_plane, rotation_in_xz_plane, midipitch, normaliser = 1.0; double *vertexorig = dz->parray[ORIG_VTX_DATA]; double eventtime, outdur = dz->param[CRY_DUR], x, y, z, depth, closeness, maxlevel = 0.0; float *obuf = dz->sampbuf[THISOBUF]; dz->tempsize = (int)ceil(outdur * (double)dz->infile->srate) * dz->outchans; if((perm = (int *)malloc(ALL_CHANS * sizeof(int))) == NULL) { sprintf(errstr,"INSUFFICIENT MEMORY to create perm buffer.\n"); return(PROGRAM_ERROR); } doperm(perm,ALL_CHANS); permno = 0; if(dz->mode == 5 || dz->mode == 8) // Random orientations in 8-channel space eightrot = perm[permno]; else eightrot = 0; // modes 3,4,6,7: rotating orientations in 8-channel space if((exit_status = setup_lphp_filter(dz))<0) return exit_status; for(passno = 0; passno < 2; passno++) { if(passno == 0) fprintf(stdout,"INFO: 1st pass : checking levels.\n"); else fprintf(stdout,"INFO: 2nd pass : generating output.\n"); fflush(stdout); rotation_in_xy_plane = 0.0; // INITIALISE ROTATIONS rotation_in_xz_plane = 0.0; for(vertexno=0;vertexnono_of_vertices;vertexno++) { // INITIALISE VERTEX-COORDS vertexbas = vertexno * 3; vertindex = vertexbas; vertexcoord[vertindex] = vertexorig[vertindex]; vertindex++; vertexcoord[vertindex] = vertexorig[vertindex]; vertindex++; vertexcoord[vertindex] = vertexorig[vertindex]; } if(passno > 0) sndseekEx(dz->ifd[0],0,0); maxwrite = 0; dz->total_samps_written = 0; memset((char *)obuf,0,dz->buflen * 2 * sizeof(float)); // Zero outbuffer and overflow buffer memcpy((char *)dz->parray[VERTEX_DATA],(char *)dz->parray[ORIG_VTX_DATA],(dz->no_of_vertices * 3 * sizeof(double))); eventtime = 0.0; while(eventtime < outdur) { if((exit_status = read_values_from_all_existing_brktables(eventtime,dz))<0) return DATA_ERROR; rotation_in_xy_plane += dz->param[CRY_ROTA] * dz->param[CRY_TSTEP] * TWOPI; // rotation is TOTAL rotation from original position while(rotation_in_xy_plane >= TWOPI) rotation_in_xy_plane -= TWOPI; while(rotation_in_xy_plane < -TWOPI) rotation_in_xy_plane += TWOPI; if(flteq(0.0,rotation_in_xy_plane)) // try to avoid rounding errors rotation_in_xy_plane = 0.0; if(flteq(TWOPI,rotation_in_xy_plane)) // try to avoid rounding errors rotation_in_xy_plane = TWOPI; rotation_in_xz_plane += dz->param[CRY_ROTB] * dz->param[CRY_TSTEP] * TWOPI; // rotation is TOTAL rotation from original position while(rotation_in_xz_plane >= TWOPI) rotation_in_xz_plane -= TWOPI; while(rotation_in_xz_plane < -TWOPI) rotation_in_xz_plane += TWOPI; if(flteq(0.0,rotation_in_xz_plane)) // try to avoid rounding errors rotation_in_xz_plane = 0.0; if(flteq(TWOPI,rotation_in_xz_plane)) // try to avoid rounding errors rotation_in_xz_plane = TWOPI; minsamptime = (int)(MAXINT - 1); for(vertexno=0;vertexnono_of_vertices;vertexno++) { vertexbas = vertexno * 3; x = vertexcoord[vertexbas]; if((exit_status = calculate_time_params(&monosamptime,x,eventtime,dz))<0) // Calculate time of earliest event in group return exit_status; minsamptime = min(minsamptime,monosamptime); } if(dz->mode == 9) maxwrite = 0; // In mode 10, check how long vertex-set is, in each separate case, in order to write to its unique outfile else { if((exit_status = check_position_of_event_group_in_output_buf(passno,&maxlevel,&maxwrite,minsamptime,normaliser,dz))<0) return exit_status; // In all other cases, check if outbuf is full, and if so, write to the (single) outfile } for(vertexno=0;vertexnono_of_vertices;vertexno++) { vertexbas = vertexno * 3; vertindex = vertexbas; x = vertexcoord[vertindex++]; // NB vertexcoords have been initialised (above loop) to ORIGINAL COORDS y = vertexcoord[vertindex++]; z = vertexcoord[vertindex]; if((exit_status = calculate_pitch_and_time_params(&midipitch,&monosamptime,x,y,eventtime,dz))<0) return exit_status; if((exit_status = delay_transpose_input_sound(midipitch,vertexno,dz))<0) // Transpose snd -> TRNSBUF : NORM return exit_status; depth = z; if(depth < 0) { // Distant sounds are filtered if((exit_status = filter_sound(depth,dz))<0) // Filter sound --> FSBUF--> mix with orig --> TRNSBUF return exit_status; if((exit_status = envelope_sound(1,dz))<0) // TRNSBUF --> ENVBUF : NORM return exit_status; } else { if((exit_status = envelope_sound(0,dz))<0) // TRNSBUF --> ENVBUF return exit_status; if(depth > 0) { // Close sounds are stacked closeness = depth; if((exit_status = stack_enveld_snd(closeness,dz)) < 0) // Transpose sound by 8va, --> FSBUF (suitably time-offset) return PROGRAM_ERROR; // and by 2 8vas --> TRANSBUF (suitably time-offset) } // Then mix the orig and 2 transpositions --> ENVBUF : NORM } if((exit_status = write_sound_into_output_buf(monosamptime,minsamptime,x,eightrot,&maxwrite,dz))<0) return exit_status; // AFTER using existing coords of vertices ... rotate the crystal vertindex = vertexbas; x = vertexorig[vertindex++]; // Get original vertex coords y = vertexorig[vertindex++]; z = vertexorig[vertindex]; // Apply TOTAL rotation to this data rotate_vertex(&x,&y,&z,rotation_in_xy_plane,rotation_in_xz_plane,vertexno,eventtime,&warning); // Do vector <= 1 test vertindex = vertexbas; vertexcoord[vertindex++] = x; // Reset vertex coords for next pass vertexcoord[vertindex++] = y; vertexcoord[vertindex] = z; } switch(dz->mode) { case(3): // STEPPING CLOCKWISE case(6): if(++eightrot >= ALL_CHANS) // Rotate (next) sound clockwise eightrot -= ALL_CHANS; break; case(4): // STEPPING antiCLOCKWISE case(7): if(--eightrot < 0) // Rotate (next) sound anticlockwise eightrot += ALL_CHANS; break; case(5): // STEPPING RANDOMLY // Random orientation case(8): if(++permno >= ALL_CHANS) { doperm(perm,ALL_CHANS); permno = 0; } eightrot = perm[permno]; break; case(9): if(passno == 0) { dz->total_samps_written += maxwrite; dz->process = GREV; display_virtual_time(0,dz); dz->process = CRYSTAL; for(i=0;i < maxwrite;i++) maxlevel = max(maxlevel,fabs(obuf[i])); } else { for(i=0;i < maxwrite;i++) obuf[i] = (float)(obuf[i] * normaliser); if((exit_status = write_rotated_crystal_sound(obuf,maxwrite,dz))<0) return exit_status; } maxwrite = 0; break; } eventtime += dz->param[CRY_TSTEP]; } if(dz->mode == 9) { if(passno == 0) { if(maxlevel > MAXCRYSLEVEL) normaliser = MAXCRYSLEVEL/maxlevel; } } else { if(passno == 0) { if(maxwrite > 0) { dz->total_samps_written += maxwrite; dz->process = GREV; display_virtual_time(0,dz); dz->process = CRYSTAL; for(i=0;i < maxwrite;i++) maxlevel = max(maxlevel,fabs(obuf[i])); } if(maxlevel > MAXCRYSLEVEL) // Set normaliser, even if no samps still to write normaliser = MAXCRYSLEVEL/maxlevel; } else if(maxwrite > 0) { if(normaliser != 1.0) { for(i=0;i < maxwrite;i++) // normalise output data obuf[i] = (float)(obuf[i] * normaliser); } if(dz->outchans > 1) { if(maxwrite % dz->outchans != 0) { // Ensure a whole final channel group is written grpcnt = maxwrite/dz->outchans; grpcnt++; maxwrite = grpcnt * dz->outchans; } } // write data to file, updating total_samps_written dz->process = GREV; if((exit_status = write_samps(obuf,maxwrite,dz))<0) return(exit_status); dz->process = CRYSTAL; } } } return FINISHED; } /*************************** CALCULATE_TIME_PARAMS **************************/ int calculate_time_params(int *monosamptime,double x,double eventtime,dataptr dz) { double half_timewidth, time; half_timewidth = dz->param[CRY_TWIDTH]/2.0; time = eventtime + half_timewidth + (x * half_timewidth); *monosamptime = (int)round(time * dz->infile->srate); return FINISHED; } /*************************** CALCULATE_PITCH_AND_TIME_PARAMS **************************/ int calculate_pitch_and_time_params(double *midipitch,int *monosamptime,double x,double y,double eventtime,dataptr dz) { double half_timewidth, time, half_prange; half_timewidth = dz->param[CRY_TWIDTH]/2.0; time = eventtime + half_timewidth + (x * half_timewidth); *monosamptime = (int)round(time * dz->infile->srate); half_prange = (dz->param[CRY_PHI] - dz->param[CRY_PLO])/2.0; *midipitch = dz->param[CRY_PLO] + half_prange + (y * half_prange); return FINISHED; } /*************************** DELAY_TRANSPOSE_INPUT_SOUND **************************/ int delay_transpose_input_sound(double midipitch, int vertexno, dataptr dz) { // double frq, del, maxout, normaliser, absout, tabincr, tabpos, frac, diff; // int sampdel, srclen, opos, outpos, ipos, tabsize, thispos, nextpos, n; double frq, maxout, normaliser, absout, tabincr, tabpos, frac, diff; int srclen, opos, thispos, nextpos, n; float *ibuf, *trnsbuf = dz->sampbuf[TRNSBUF]; memset((char *)trnsbuf,0,dz->rampbrksize * sizeof(float)); if(dz->infilecnt > 1) { ibuf = dz->sampbuf[THISIBUF + vertexno]; srclen = dz->insams[vertexno]; } else { ibuf = dz->sampbuf[THISIBUF]; srclen = dz->insams[0]; } if(midipitch < 0 || midipitch > 127) { sprintf(errstr,"MIDI value out of range 0 - 127\n"); return(GOAL_FAILED); } tabincr = (double)srclen/(double)dz->infile->srate; // tabincr to read table once per second, i.e. at 1Hz frq = miditohz(midipitch); tabincr *= frq; // Frq-related table-read increment tabpos = 0; for(n = 0; n< dz->rampbrksize;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; trnsbuf[n] = (float)(ibuf[thispos] + diff); tabpos += tabincr; if(tabpos >= srclen) tabpos -= srclen; } maxout = -1; for(opos = 0; opos < dz->rampbrksize; opos++) { // Find max sample absout = fabs(trnsbuf[opos]); maxout = max(absout,maxout); } if(maxout > MAXCRYSLEVEL) { normaliser = MAXCRYSLEVEL/maxout; for(opos = 0; opos < dz->rampbrksize; opos++) // Normalise trnsbuf[opos] = (float)(trnsbuf[opos] * normaliser); } return(FINISHED); } /*************************** FILTER_SOUND **************************/ int filter_sound(double z, dataptr dz) { int i; float *trnsbuf = dz->sampbuf[TRNSBUF], *filtbuf = dz->sampbuf[FSBUF]; double val, filtsig_level, unfilt_siglevel, maxval, normaliser; memset((char *)filtbuf,0,dz->rampbrksize * sizeof(float)); do_lphp_filter(dz); // Filters the transposed-snd in TRNSBUF, to FSBUF z = -z; // Change range from -1 to <0 to >0 to 1 filtsig_level = pow(z,dz->param[CRY_FSLOPE]); unfilt_siglevel = 1.0 - filtsig_level; maxval = -1; for (i = 0 ; i < dz->rampbrksize; i++) { val = (trnsbuf[i] * unfilt_siglevel) + (filtbuf[i] * filtsig_level); // Mix filtered and unfiltered sound trnsbuf[i] = (float)val; maxval = max(fabs(val),maxval); } if(maxval > MAXCRYSLEVEL) { normaliser = MAXCRYSLEVEL/maxval; for (i = 0 ; i < dz->rampbrksize; i++) { trnsbuf[i] = (float)(trnsbuf[i] * normaliser); } } return FINISHED; } /*************************** CREATE_CRYSTAL_SNDBUFS **************************/ int create_crystal_sndbufs(dataptr dz) { int exit_status; unsigned int bigbufsize, inbufssize; int max_tw, n, m, eventlen, evbufsize; double maxtw; if(dz->sbufptr == 0 || dz->sampbuf==0) { sprintf(errstr,"buffer pointers not allocated: create_sndbufs()\n"); return(PROGRAM_ERROR); } if(dz->brksize[CRY_TWIDTH]) { if((exit_status = get_maxvalue_in_brktable(&maxtw,CRY_TWIDTH,dz))<0) return exit_status; } else maxtw = dz->param[CRY_TWIDTH]; max_tw = (int)ceil(maxtw * (double)dz->infile->srate); // maximum time between first and last event onset within a time-set eventlen = dz->rampbrksize; // duration of event(s) in timeset dz->buflen = (max_tw + /* final */ eventlen) * dz->outchans; // Scale up from mono to number of output chans dz->buflen += SAFETY; inbufssize = 0; for(n=0;ninfilecnt;n++) inbufssize += dz->insams[n] + 1; // Add wrap-around point evbufsize = dz->rampbrksize; // Store size of envelope, in samples bigbufsize = (dz->buflen * 2) + (evbufsize * 4) + inbufssize; // 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 transposed event enveloped event filt/stack raw-envelope input sound // obuf ovflwbuf trnsbuf envbuf fsbuf ebuf ibufs... // 0 1 2 3 4 5 6 (7 etc) // |-----------|--------------|------------------|------------------|------------|-------------|---------------|---------------| // // buflen buflen evbufsize evbufsize evbufsize evbufsize insams[0]+1 (insams[1]+1 etc) // // Read from inbuf, transpose into transposedeventbuf, but only as far as end of buf // Envelope result into envelopedeventbuf (using sample-scale raw-envelope in "envelope") // Add event to obuf (in multichan format if ness) // If next group-of-writes start in overflwbuf, write obuf, and copy ovflwbuf->obuf, and zero ovflwbuf // BUT NB ... // i t f f+t e // If filtering used .... filter BEFORE enveloping (and curtail output to buffer size) 6->2->4->2->3 write to obuf from 3 // i t e s e+s(NORMD) // If stack used .......... stack AFTER enveloping (so stack is no longer than evbufsize) 6->2->3->4->3 write to obuf from 3 n = 0; dz->sbufptr[n] = dz->sampbuf[n] = dz->bigbuf; // obuf [0] // 0 = Output buffer n++; // size buflen dz->sbufptr[n] = dz->sampbuf[n] = dz->sampbuf[n-1] + dz->buflen; // ovflwbuf [1] // 1 = overflow buffer n++; // size buflen dz->sbufptr[n] = dz->sampbuf[n] = dz->sampbuf[n-1] + dz->buflen; // trnsbuf [2] // 2 = created event (transposition of ibuf) n++; // size evbufsize dz->sbufptr[n] = dz->sampbuf[n] = dz->sampbuf[n-1] + evbufsize; // envbuf [3] // 3 = enveloped event n++; // size evbufsize dz->sbufptr[n] = dz->sampbuf[n] = dz->sampbuf[n-1] + evbufsize; // fsbuf [4] // 4 = filtered or stacked n++; // size evbufsize dz->sbufptr[n] = dz->sampbuf[n] = dz->sampbuf[n-1] + evbufsize; // ebuf [5] // 5 = raw envelope n++; // size evbufsize dz->sbufptr[n] = dz->sampbuf[n] = dz->sampbuf[n-1] + evbufsize; // ibuf [6] // 6 = 1st insndbuf if(dz->infilecnt > 1) { // size insams[0] for(m=1;minfilecnt;m++) { // +ibufs [7.....] n++; // 7etc = more insndbufs dz->sbufptr[n] = dz->sampbuf[n] = dz->sampbuf[n-1] + (dz->insams[m-1] + 1); // size insams[m] } } return(FINISHED); } /************************************* CRYSTAL_PARAM_PREPROCESS *********************************** * * (1) Read input file(s) to buffer(s), with wraparound point, for reading as a waveform table. * (2) Convert input envelope to a sample scale array in another buffer. */ int crystal_param_preprocess(dataptr dz) { int exit_status; double *env = dz->parray[ENV_DATA], maxval = -1; int n, sampsread, dovelen; double srate = (double)dz->infile->srate, val, thistime; int origbuflen = dz->buflen, nextind; float *ibuf = dz->sampbuf[THISIBUF]; float *ebuf = dz->sampbuf[EBUF]; dovelen = (int)(CRY_DOVE * (double)dz->infile->srate); // For multiple input files for(n = 0; n< dz->infilecnt;n++) { if(dz->insams[n] <= dovelen * 2.0) { sprintf(errstr,"Input file %d too short for start-and-end dovetails (min size %lf secs)\n",n+1,CRY_DOVE * 2); return DATA_ERROR; } dz->buflen = dz->insams[n]; // Read input sound(s) to ibuf(s) ibuf = dz->sampbuf[THISIBUF+n]; memset((char *)ibuf,0,dz->buflen * sizeof(float)); if((sampsread = fgetfbufEx(ibuf, dz->buflen,dz->ifd[n],0)) < 0) { sprintf(errstr,"Can't read samples from input soundfile %d.\n",n+1); return(SYSTEM_ERROR); } ibuf[dz->buflen] = 0; // Wrap-around zero-point } dz->buflen = origbuflen; dovetail(dovelen,dz); // Dovetail input sounds dz->stackpeak = 0; 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; if(fabs(val) > maxval) { // Find loudest point in envelope (for stacking) maxval = fabs(val); dz->stackpeak = n; } } 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->envdatalen) { 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; } /********************************* SETUP_LPHP_FILTER *****************************/ int setup_lphp_filter(dataptr dz) { int exit_status; int filter_order; double signd = -1.0; /* low pass */ filter_order = establish_order_of_filter(dz); if((exit_status = allocate_internal_params_lphp(dz))<0) return(exit_status); calculate_filter_poles_lphp(signd,filter_order,dz); initialise_filter_coeffs_lphp(dz); fflush(stdout); return(FINISHED); } /********************************* ESTABLISH_ORDER_OF_FILTER *****************************/ int establish_order_of_filter(dataptr dz) { int filter_order; double tc, tp, tt, pii, xx, yy; double sr = (double)dz->infile->srate; if (dz->param[CRY_FPASS] < dz->param[CRY_FSTOP]) /* low pass */ dz->param[CRY_MUL] = 2.0; else { dz->param[CRY_MUL] = -2.0; dz->param[CRY_FPASS] = dz->nyquist - dz->param[CRY_FPASS]; dz->param[CRY_FSTOP] = dz->nyquist - dz->param[CRY_FSTOP]; } pii = 4.0 * atan(1.0); dz->param[CRY_FPASS] = pii * dz->param[CRY_FPASS]/sr; tp = tan(dz->param[CRY_FPASS]); dz->param[CRY_FSTOP] = pii * dz->param[CRY_FSTOP]/sr; tc = tan(dz->param[CRY_FSTOP]); tt = tc / tp ; tt = (tt * tt); dz->param[CRY_FATT] = fabs(dz->param[CRY_FATT]); dz->param[CRY_FATT] = dz->param[CRY_FATT] * log(10.0)/10.0 ; dz->param[CRY_FATT] = exp(dz->param[CRY_FATT]) - 1.0 ; xx = log(dz->param[CRY_FATT])/log(tt) ; yy = floor(xx); if ((xx - yy) == 0.0 ) yy = yy - 1.0 ; filter_order = ((int)yy) + 1; if (filter_order <= 1) filter_order = 2; dz->iparam[CRY_CNT] = filter_order/2 ; filter_order = 2 * dz->iparam[CRY_CNT] ; fprintf(stdout,"INFO: Order of filter is %d\n", filter_order); fflush(stdout); dz->iparam[CRY_CNT] = min(dz->iparam[CRY_CNT],CRY_LBF); filter_order = 2 * dz->iparam[CRY_CNT]; return(filter_order); } /********************************* ALLOCATE_INTERNAL_PARAMS_LPHP *****************************/ int allocate_internal_params_lphp(dataptr dz) { if((dz->parray[CRY_DEN1] = (double *)malloc(dz->iparam[CRY_CNT] * sizeof(double)))==NULL || (dz->parray[CRY_DEN2] = (double *)malloc(dz->iparam[CRY_CNT] * sizeof(double)))==NULL || (dz->parray[CRY_CN] = (double *)malloc(dz->iparam[CRY_CNT] * sizeof(double)))==NULL || (dz->parray[CRY_S1] = (double *)malloc(dz->iparam[CRY_CNT] * sizeof(double)))==NULL || (dz->parray[CRY_E1] = (double *)malloc(dz->iparam[CRY_CNT] * sizeof(double)))==NULL || (dz->parray[CRY_S2] = (double *)malloc(dz->iparam[CRY_CNT] * sizeof(double)))==NULL || (dz->parray[CRY_E2] = (double *)malloc(dz->iparam[CRY_CNT] * sizeof(double)))==NULL) { sprintf(errstr,"INSUFFICIENT MEMORY for arrays of filter parameters.\n"); return(MEMORY_ERROR); } return(FINISHED); } /********************************* CALCULATE_FILTER_POLES_LPHP *****************************/ void calculate_filter_poles_lphp(double signd,int filter_order,dataptr dz) { double ss, xx, aa, tppwr, x1, x2, cc; double pii = 4.0 * atan(1.0); double tp = tan(dz->param[CRY_FPASS]); int k; ss = pii / (double)(2 * filter_order); for (k = 0; k < dz->iparam[CRY_CNT]; k++ ) { xx = (double) ((2.0 * (k+1)) - 1.0); aa = -sin(xx * ss); tppwr = pow(tp,2.0); cc = 1.0 - (2.0 * aa * tp) + tppwr; x1 = 2.0 * (tppwr - 1.0)/cc ; x2 = (1.0 + (2.0 * aa * tp) + tppwr)/cc ; dz->parray[CRY_DEN1][k] = signd * x1; dz->parray[CRY_DEN2][k] = -x2 ; dz->parray[CRY_CN][k] = pow(tp,2.0)/cc ; } } /********************************* INITIALISE_FILTER_COEFFS_LPHP *****************************/ void initialise_filter_coeffs_lphp(dataptr dz) { int k; for (k = 0 ; k < dz->iparam[CRY_CNT]; k++) { dz->parray[CRY_S1][k] = 0.0; dz->parray[CRY_S2][k] = 0.0; dz->parray[CRY_E1][k] = 0.0; dz->parray[CRY_E2][k] = 0.0; } } /***************************** DO_LPHP_FILTER *************************************/ void do_lphp_filter(dataptr dz) { double *e1 = dz->parray[CRY_E1]; double *e2 = dz->parray[CRY_E2]; double *s1 = dz->parray[CRY_S1]; double *s2 = dz->parray[CRY_S2]; double *den1 = dz->parray[CRY_DEN1]; double *den2 = dz->parray[CRY_DEN2]; double *cn = dz->parray[CRY_CN]; int i, hasreported = 0; int k; float *trnsbuf = dz->sampbuf[TRNSBUF], *filtbuf = dz->sampbuf[FSBUF]; double ip, op = 0.0, b1; for (i = 0 ; i < dz->rampbrksize; i++) { ip = (double) trnsbuf[i]; for (k = 0 ; k < dz->iparam[CRY_CNT]; k++) { b1 = dz->param[CRY_MUL] * cn[k]; op = (cn[k] * ip) + (den1[k] * s1[k]) + (den2[k] * s2[k]) + (b1 * e1[k]) + (cn[k] * e2[k]); s2[k] = s1[k]; s1[k] = op; e2[k] = e1[k]; e1[k] = ip; } op *= dz->param[CRY_FPRESC]; if (fabs(op) > 1.0) { #ifdef DOTEST if(!hasreported) { fprintf(stdout,"INFO: Overflow in Lowpass filter.\n"); fflush(stdout); hasreported = 1; } #endif dz->param[CRY_FPRESC] *= .9999; if (op > 0.0) op = 1.0; else op = -1.0; } filtbuf[i] = (float)op; } } /******************************** VALID_VECTORLEN *********************************/ int get_vectorlen(double *vectorelen,double x,double y,double z) { double sum; sum = (x*x) + (y*y) + (z*z); *vectorelen = sqrt(sum); if(*vectorelen > 1.0) // i.e. sqrt(sum) > 1.0 return -1; return 1; } /******************************** ENVELOPE_SOUND *********************************/ int envelope_sound(int do_normalise,dataptr dz) { int i; double maxval = -1.0, normaliser, val; float *trnsbuf = dz->sampbuf[TRNSBUF], *envbuf = dz->sampbuf[ENVBUF], *ebuf = dz->sampbuf[EBUF]; memset((char *)envbuf,0,dz->rampbrksize * sizeof(float)); if(do_normalise) { for(i=0; i rampbrksize; i++) { val = trnsbuf[i] * ebuf[i]; maxval = max(maxval,fabs(val)); envbuf[i] = (float)val; // Enveloped sound into ENVBUF } if(maxval > MAXCRYSLEVEL) { normaliser = MAXCRYSLEVEL/maxval; for(i=0; i rampbrksize; i++) envbuf[i] = (float)(envbuf[i] * normaliser); } } else { for(i=0; i rampbrksize; i++) envbuf[i] = (float)(trnsbuf[i] * ebuf[i]); } return FINISHED; } /******************************** STACK_ENVELD_SND *********************************/ int stack_enveld_snd(double closeness,dataptr dz) { float *envbuf = dz->sampbuf[ENVBUF], *fsbuf = dz->sampbuf[FSBUF], *transbuf = dz->sampbuf[TRNSBUF]; int offset = dz->stackpeak/2, i; double maxval, octup_level, twooctup_level, src_level, val, normaliser; memset((char *)fsbuf,0,dz->rampbrksize * sizeof(float)); memset((char *)transbuf,0,dz->rampbrksize * sizeof(float)); for(i=0; i rampbrksize; i+=2) { // Transpose enveld snd by 8va up, offset so peak of envelopes, if(offset >= dz->rampbrksize) { // in transposed and untransposed sounds, coincide. sprintf(errstr,"Stacking produced overflow of fsbuf.\n"); return PROGRAM_ERROR; } fsbuf[offset++] = envbuf[i]; } offset = dz->stackpeak * 3; offset = offset/4; for(i=0; i rampbrksize; i+=4) { // Transpose enveld snd by TWO 8va up, offset so peak of envelopes, if(offset >= dz->rampbrksize) { // in transposed and untransposed sounds, coincide. sprintf(errstr,"Stacking produced overflow of fsbuf.\n"); return PROGRAM_ERROR; } transbuf[offset++] = envbuf[i]; } maxval = -1; octup_level = pow(closeness,dz->param[CRY_SSLOPE]) * MAX_PROPORTION_8UP_IN_STAK; twooctup_level= pow(closeness,(dz->param[CRY_SSLOPE] * CRY_STKFAC)) * MAX_PROPORTION_8UP_IN_STAK; src_level = 1.0 - octup_level; for(i=0; i rampbrksize; i++) { // Mix orig and 8va transposed sounds val = (envbuf[i] * src_level) + (fsbuf[i] * octup_level) + (transbuf[i] * twooctup_level); envbuf[i] = (float)val; maxval = max(maxval,fabs(val)); } if(maxval > MAXCRYSLEVEL) { normaliser = MAXCRYSLEVEL/maxval; for(i=0; i rampbrksize; i++) envbuf[i] = (float)(envbuf[i] * normaliser); } return FINISHED; } /******************************** CHECK_POSITION_OF_SOUND_IN_OUTPUT_BUF ******************************** * * Check if the earliest of the event in the event-group is beyond the current buffer end * and if so, write (or get max of) buffer, and advance buffers. */ int check_position_of_event_group_in_output_buf(int passno,double *maxlevel,int *maxwrite,int minsamptime,double normaliser,dataptr dz) // (check overflows - write to outfile) { int exit_status; int absopos, i; // Absolute position of write-position in output file float *obuf = dz->sampbuf[THISOBUF], *ovflwbuf = dz->sampbuf[OVFLWBUF]; switch(dz->mode) { case(0): absopos = minsamptime; break; // MONO case(1): absopos = minsamptime * 2; break; // STEREO default: absopos = minsamptime * ALL_CHANS; break; // 8-CHAN } while(absopos > dz->total_samps_written + dz->buflen) { // If current write-start is beyond end of current buffer if(passno == 0) { for(i=0;i < dz->buflen;i++) *maxlevel = max(*maxlevel,fabs(obuf[i])); // write data to file, updating total_samps_written dz->total_samps_written += dz->buflen; dz->process = GREV; display_virtual_time(0,dz); dz->process = CRYSTAL; } else { // This could involve writing silent buffers if(normaliser != 1.0) { for(i=0;i < dz->buflen;i++) obuf[i] = (float)(obuf[i] * normaliser); } dz->process = GREV; if((exit_status = write_samps(obuf,dz->buflen,dz))<0) return(exit_status); dz->process = CRYSTAL; } for(i=0;i < dz->buflen;i++) // Copy overflow back into obuf obuf[i] = ovflwbuf[i]; // and zero overflow memset((char *)ovflwbuf,0,dz->buflen * sizeof(float)); *maxwrite -= dz->buflen; } return FINISHED; } /******************************** WRITE_SOUND_INTO_OUTPUT_BUF ********************************/ int write_sound_into_output_buf(int monosamptime,int minsamptime,double x,int eightrot,int *maxwrite, dataptr dz) { int absopos; // Absolute position of write-position in output file int opos, i, leftopos, rightopos; double leftgain = 0.0, rightgain = 0.0, val; float *obuf = dz->sampbuf[THISOBUF], *envbuf = dz->sampbuf[ENVBUF]; switch(dz->mode) { case(0): absopos = monosamptime; break; // MONO case(1): absopos = monosamptime * 2; break; // STEREO default: absopos = monosamptime * ALL_CHANS; break; // 8-CHAN } if(dz->mode == 9) opos = (monosamptime - minsamptime) * 2; // New buffer for each vertex-set, and stereo else opos = absopos - dz->total_samps_written; switch(dz->mode) { case(0): // MONO for(i=0;i < dz->rampbrksize;i++) { // The buffer + overflow is always bigger than dz->rampbrksize = size of single event obuf[opos] = (float)(obuf[opos] + envbuf[i]); // + the total width of the event-group opos++; } *maxwrite = max(*maxwrite,opos); break; case(1): case(9): // STEREO pancalc(x,&leftgain,&rightgain); for(i=0;i < dz->rampbrksize;i++) { val = obuf[opos] + (envbuf[i] * leftgain); obuf[opos++] = (float)val; val = obuf[opos] + (envbuf[i] * rightgain); obuf[opos++] = (float)val; } *maxwrite = max(*maxwrite,opos); break; default: leftopos = opos + eightrot; switch(dz->mode) { case(2): case(3): case(4): case(5): // STEREO-BETWEEN NON-ADJACENT CHANS IN 8-CHAN SPACE if((rightopos = leftopos + 2) >= ALL_CHANS) rightopos -= ALL_CHANS; break; default: // STEREO-BETWEEN ADJACENT CHANS IN 8-CHAN SPACE if((rightopos = leftopos + 1) >= ALL_CHANS) rightopos -= ALL_CHANS; break; } pancalc(x,&leftgain,&rightgain); for(i=0;i < dz->rampbrksize;i++) { val = obuf[leftopos] + (envbuf[i] * leftgain); obuf[leftopos] = (float)val; val = obuf[rightopos] + (envbuf[i] * rightgain); obuf[rightopos] = (float)val; leftopos += ALL_CHANS; rightopos += ALL_CHANS; } *maxwrite = max(*maxwrite,opos+ALL_CHANS); } return FINISHED; } /************************ HANDLE_THE_EXTRA_INFILES *********************/ int handle_the_extra_infiles(char ***cmdline,int *cmdlinecnt,dataptr dz) { /* OPEN ANY FURTHER INFILES, CHECK COMPATIBILITY, STORE DATA AND INFO */ int exit_status, n; char *filename; if(dz->infilecnt > 1) { for(n=1;ninfilecnt;n++) { filename = (*cmdline)[0]; if((exit_status = handle_other_infile(n,filename,dz))<0) return(exit_status); (*cmdline)++; (*cmdlinecnt)--; } } return(FINISHED); } /************************************ PANCALC *******************************/ void pancalc(double position,double *leftgain,double *rightgain) { int dirflag; double temp; double relpos; double reldist, invsquare; if(position < 0.0) dirflag = SIGNAL_TO_LEFT; /* signal on left */ else dirflag = SIGNAL_TO_RIGHT; if(position < 0) relpos = -position; else relpos = position; if(relpos <= 1.0){ /* between the speakers */ temp = 1.0 + (relpos * relpos); reldist = ROOT2 / sqrt(temp); temp = (position + 1.0) / 2.0; *rightgain = temp * reldist; *leftgain = (1.0 - temp ) * reldist; } else { /* outside the speakers */ temp = (relpos * relpos) + 1.0; reldist = sqrt(temp) / ROOT2; /* relative distance to source */ invsquare = 1.0 / (reldist * reldist); if(dirflag == SIGNAL_TO_LEFT){ *leftgain = invsquare; *rightgain = 0.0; } else { /* SIGNAL_TO_RIGHT */ *rightgain = invsquare; *leftgain = 0; } } } /********************************** DOPERM etc *******************************/ void doperm(int *perm,int permlen) { int n, t; for(n=0;n k;n--) { *i = *(i-1); i--; } } /********************************** ROTATE_VERTEX ******************************* * * If the original coordinates of a point (on a sphere) are x.y.z * then a rotation about the z-axis of X radians is given by matrix * * cos(X) sin(x) 0 * -sin(X) cos(X) 0 * 0 0 1 * * This creates new points (xx,yy,zz) thus * * xx = cos(X)*x + sin(X)*y + 0*z * yy = -sin(X)*x + cos(X)*y + 0*z * zz = 0*x + 0*y + 1*z * * * For a rotation around the y axis of Y radians, matrix is * * cos(Y) 0 sin(Y) * 0 1 0 * -sin(Y) 0 cos(Y) * * This creates new points (x',y',z') thus * * x' = cos(Y)*xx + 0*yy + sin(Y)*zz * y' = 0*xx + 1*yy + 0*zz * z' = -sin(Y)*xx + 0*yy + cos(Y)*zz * * X and Y pre-calculated from the angular rotation speeds, and timestep, and applied successively. */ void rotate_vertex(double *x,double *y,double *z,double rotation_in_xy_plane,double rotation_in_xz_plane,int vertexno,double eventtime,int *warning) { double xx, yy, zz, adjust, vectorlen; // Rotate around z axis - in xy plane xx = cos(rotation_in_xy_plane) * (*x); xx += sin(rotation_in_xy_plane) * (*y); xx = min(xx,1.0); // Avoid rounding errors xx = max(xx,-1.0); yy = -sin(rotation_in_xy_plane) * (*x); yy += cos(rotation_in_xy_plane) * (*y); yy = min(yy,1.0); yy = max(yy,-1.0); zz = *z; // Rotate around y axis - in xz plane *x = cos(rotation_in_xz_plane) * xx; *x += sin(rotation_in_xz_plane) * zz; *x = min(*x,1.0); *x = max(*x,-1.0); *y = yy; *z = -sin(rotation_in_xz_plane) * xx; *z += cos(rotation_in_xz_plane) * zz; *z = min(*z,1.0); *z = max(*z,-1.0); if((get_vectorlen(&vectorlen,*x,*y,*z))<0) { if(*warning == 0) { fprintf(stdout,"WARNING: rotated vector %d lies outside unit sphere at time %lf : coords %lf %lf %lf len %.16lf\n", vertexno+1,eventtime,*x,*y,*z,vectorlen); fflush(stdout); *warning = 1; } adjust = ((*x)*(*x)) + ((*y)*(*y)) + ((*z)*(*z)); adjust = sqrt(adjust); adjust = 1.0/adjust; *x *= adjust; *y *= adjust; *z *= adjust; } } /*************************************** DOVETAIL **********************************/ void dovetail(int dovelen, dataptr dz) { float *buf; double splice; int buflen, i, j, n; for(n= 0; n < dz->infilecnt; n++) { buf = dz->sampbuf[THISIBUF+n]; buflen = dz->insams[n] + 1; for(i = 0, j = dz->insams[n]; i < dovelen; i++,j--) { splice = (double)i/(double)dovelen; buf[i] = (float)(buf[i] * splice); buf[j] = (float)(buf[j] * splice); } } } /*************************************** WRITE_ROTATED_CRYSTAL_SOUND **********************************/ int write_rotated_crystal_sound(float *obuf,int maxwrite, dataptr dz) { int exit_status; char temp[8]; if(dz->outcnt > 0) { // If not first file being written if((exit_status = headwrite(dz->ofd,dz))<0) // Conclude and close last file return(exit_status); if((exit_status = reset_peak_finder(dz))<0) return(exit_status); if(sndcloseEx(dz->ofd) < 0) { fprintf(stdout,"WARNING: Can't close output soundfile %s\n",dz->outfilename); fflush(stdout); } dz->ofd = -1; strcpy(dz->outfilename,dz->wordstor[0]); // Create name of this new file sprintf(temp,"%d",dz->outcnt); strcat(dz->outfilename,temp); strcat(dz->outfilename,".wav"); // Create new outfile dz->infile->channels = 2; if((exit_status = create_sized_outfile(dz->outfilename,dz))<0) return exit_status; dz->infile->channels = 1; } dz->process = GREV; if((exit_status = write_samps(obuf,maxwrite,dz))<0) // Write to outfile (whether a new file or not) return(exit_status); dz->process = CRYSTAL; memset((char *)obuf,0,dz->buflen * sizeof(float)); // Reset the outputbuffer to zero, ready for next vertex-set dz->outcnt++; return FINISHED; }