/*
 * Copyright (c) 1983-2023 Trevor Wishart and Composers Desktop Project Ltd
 * http://www.trevorwishart.co.uk
 * http://www.composersdesktop.com
 *
 This file is part of the CDP System.

 The CDP System is free software; you can redistribute it
 and/or modify it under the terms of the GNU Lesser General Public
 License as published by the Free Software Foundation; either
 version 2.1 of the License, or (at your option) any later version.

 The CDP System is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU Lesser General Public License for more details.

 You should have received a copy of the GNU Lesser General Public
 License along with the CDP System; if not, write to the Free Software
 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
 02111-1307 USA
 *
 */



#include <stdio.h>
#include <stdlib.h>
#include <structures.h>
#include <tkglobals.h>
#include <pnames.h>
#include <flags.h>
#include <filetype.h>
#include <processno.h>
#include <modeno.h>
#include <logic.h>
#include <globcon.h>
#include <cdpmain.h>
#include <math.h>
#include <mixxcon.h>
#include <osbind.h>
#include <standalone.h>
#include <ctype.h>
#include <sfsys.h>
#include <string.h>
#include <srates.h>
#include <txtucon.h>
#include <texture1.h>
#include <special.h>

#if defined unix || defined __GNUC__
#define round(x) lround((x))
#endif
#ifndef HUGE
#define HUGE 3.40282347e+38F
#endif

char errstr[2400];

int anal_infiles = 0;
int     sloom = 0;
int sloombatch = 0;

const char* cdp_version = "7.1.0";

extern int make_texture(dataptr dz);
extern int produce_texture_sound(dataptr dz);

//CDP LIB REPLACEMENTS
static int check_texmchan_param_validity_and_consistency(dataptr dz);
static int setup_texmchan_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_texmchan_param_ranges_and_defaults(dataptr dz);
static int handle_the_outfile(int *cmdlinecnt,char ***cmdline,dataptr dz);
static int setup_and_init_input_param_activity(dataptr dz,int tipc);
static int setup_input_param_defaultval_stores(int tipc,aplptr ap);
static int establish_the_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 setup_and_init_input_brktable_constants(dataptr dz,int brkcnt);
static int get_the_mode_from_cmdline(char *str,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 = 5;
        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_texmchan_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_texmchan_param_ranges_and_defaults(dz))<0) {
        exit_status = print_messages_and_close_sndfiles(exit_status,is_launched,dz);
        return(FAILED);
    }
    // open_first_infile            CDP LIB
    if((exit_status = open_first_infile(cmdline[0],dz))<0) {
        print_messages_and_close_sndfiles(exit_status,is_launched,dz);
        return(FAILED);
    }
    cmdlinecnt--;
    cmdline++;

    //      handle_extra_infiles()          CDP LIB
    if((exit_status = handle_extra_infiles(&cmdline,&cmdlinecnt,dz))<0) {
        print_messages_and_close_sndfiles(exit_status,is_launched,dz);
        return(FAILED);
    }

    // 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
    if((exit_status = handle_special_data(&cmdlinecnt,&cmdline,dz))<0) {
        print_messages_and_close_sndfiles(exit_status,is_launched,dz);
        return(FAILED);
    }
    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_texmchan_param_validity_and_consistency(dz))<0) {
        print_messages_and_close_sndfiles(exit_status,is_launched,dz);
        return(FAILED);
    }
    is_launched = TRUE;
    dz->bufcnt = 1;
    dz->extra_bufcnt = 0;
    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 <dz->bufcnt; n++)
        dz->sampbuf[n] = dz->sbufptr[n] = (float *)0;
    dz->sampbuf[n] = (float *)0;

    if((exit_status = create_sndbufs(dz))<0) {                                                      // CDP LIB
        print_messages_and_close_sndfiles(exit_status,is_launched,dz);
        return(FAILED);
    }
    dz->process = SIMPLE_TEX;
    //param_preprocess()
    if((exit_status = texture_preprocess(dz))<0) {
        print_messages_and_close_sndfiles(exit_status,is_launched,dz);
        return(FAILED);
    }
    if((exit_status = make_texture(dz))<0) {
        print_messages_and_close_sndfiles(exit_status,is_launched,dz);
        return(exit_status);
    }
    if((exit_status = produce_texture_sound(dz))<0) {
        print_messages_and_close_sndfiles(exit_status,is_launched,dz);
        return(exit_status);
    }
    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_THE_PARAM_DATA *********************************/

int set_the_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_THE_VFLGS *********************************/

int set_the_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;
    if((exit_status = setup_internal_arrays_and_array_pointers(dz))<0)
        return(exit_status);
    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;n<storage_cnt;n++) {
        dz->is_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;n<ap->max_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;n<ap->option_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; n<ap->internal_param_cnt; n++,m++) {
        switch(ap->internal_param_list[n]) {
        case('0'):  break;       /* dummy variables: variables not used: but important for internal paream numbering!! */
        case('i'):      dz->is_int[m] = (char)1;        dz->no_brk[m] = (char)1;        break;
        case('d'):                                                              dz->no_brk[m] = (char)1;        break;
        default:
            sprintf(errstr,"Programming error: invalid internal param type in mark_parameter_types()\n");
            return(PROGRAM_ERROR);
        }
    }
    return(FINISHED);
}

/************************ HANDLE_THE_OUTFILE *********************/

int handle_the_outfile(int *cmdlinecnt,char ***cmdline,dataptr dz)
{
    char *filename = (*cmdline)[0];
    if(filename[0]=='-' && filename[1]=='f') {
        dz->floatsam_output = 1;
        dz->true_outfile_stype = SAMP_FLOAT;
        filename+= 2;
    }
    if(!sloom) {
        if(file_has_invalid_startchar(filename) || value_is_numeric(filename)) {
            sprintf(errstr,"Outfile name %s has invalid start character(s) or looks too much like a number.\n",filename);
            return(DATA_ERROR);
        }
    }
    strcpy(dz->outfilename,filename);       /* SAVE NAME BUT DON'T OPEN IT YET */
    (*cmdline)++;
    (*cmdlinecnt)--;
    return(FINISHED);
}

/***************************** establish_the_application **************************/

int establish_the_application(dataptr dz)
{
    aplptr ap;
    if((dz->application = (aplptr)malloc(sizeof (struct applic)))==NULL) {
        sprintf(errstr,"establish_the_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;n<dz->application->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;n<tipc;n++)
        ap->default_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;n<tipc;n++)
        dz->is_active[n] = (char)0;
    return(FINISHED);
}

/************************* SETUP_TEXMCHAN_APPLICATION *******************/

int setup_texmchan_application(dataptr dz)
{
    int exit_status;
    aplptr ap;
    if((exit_status = establish_the_application(dz))<0)             // GLOBAL
        return(FAILED);
    ap = dz->application;
    // SEE parstruct FOR EXPLANATION of next 2 functions
    if((exit_status = set_the_param_data(ap,TEX_NOTEDATA,26,13,"dDDDIIDDDDDDi0000000000000"))<0)
        return(FAILED);
    if((exit_status = set_the_vflgs(ap,"aps"   ,3,"DDD"   ,"rwcpz"     ,5,1,"i0000"    ))<0)
        return(FAILED);
    if((exit_status = set_legal_internalparam_structure(dz->process,dz->mode,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 > 2)  {
            sprintf(errstr,"File %s is not of correct type (must be mono or stereo)\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_TEXMCHAN_PARAM_RANGES_AND_DEFAULTS *******************/

int setup_texmchan_param_ranges_and_defaults(dataptr dz)
{
    int exit_status;
    double srate = (double)dz->infile->srate;
    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[TEXTURE_DUR]             = TEXTURE_MIN_DUR;
    ap->hi[TEXTURE_DUR]             = BIG_TIME;
    ap->lo[TEXTURE_PACK]            = 1.0/srate;
    ap->hi[TEXTURE_PACK]            = MAX_PACKTIME;
    ap->lo[TEXTURE_SCAT]            = 0.0;
    ap->hi[TEXTURE_SCAT]            = MAX_SCAT_TEXTURE;
    ap->lo[TEXTURE_TGRID]           = 0.0;
    ap->hi[TEXTURE_TGRID]           = TEXTURE_MAX_TGRID;
    ap->lo[TEXTURE_INSLO]           = 1.0;
    ap->hi[TEXTURE_INSLO]           = (double)SF_MAXFILES;
    ap->lo[TEXTURE_INSHI]           = 1.0;
    ap->hi[TEXTURE_INSHI]           = (double)SF_MAXFILES;
    ap->lo[TEXTURE_MINAMP]          = MIDIBOT;
    ap->hi[TEXTURE_MINAMP]          = MIDITOP; /* default 64 */
    ap->lo[TEXTURE_MAXAMP]          = MIDIBOT;
    ap->hi[TEXTURE_MAXAMP]          = MIDITOP; /* default 64 */
    ap->lo[TEXTURE_MINDUR]          = (TEXTURE_SPLICELEN + TEXTURE_SAFETY) * MS_TO_SECS;
    ap->hi[TEXTURE_MINDUR]          = BIG_TIME;
    ap->lo[TEXTURE_MAXDUR]          = (TEXTURE_SPLICELEN + TEXTURE_SAFETY) * MS_TO_SECS;
    ap->hi[TEXTURE_MAXDUR]          = BIG_TIME;
    ap->lo[TEXTURE_MINPICH]         = MIDIBOT;
    ap->hi[TEXTURE_MINPICH]         = MIDITOP;
    ap->lo[TEXTURE_MAXPICH]         = MIDIBOT;
    ap->hi[TEXTURE_MAXPICH]         = MIDITOP;
    ap->lo[TEXTURE_OUTCHANS]        = 2;
    ap->hi[TEXTURE_OUTCHANS]        = 16;
    /* KEEP I WHILE TESTING CODE --> */
    ap->lo[TEX_GPSPACE]             = 0.0;
    ap->hi[TEX_GPSPACE]             = 0.0;
    ap->lo[TEX_GRPSPRANGE]          = 0.0; /* default */
    ap->hi[TEX_GRPSPRANGE]          = 1.0;
    ap->lo[TEX_AMPRISE]             = 0.0;  /* default */
    ap->hi[TEX_AMPRISE]             = 0.0;
    ap->lo[TEX_AMPCONT]             = 0.0; /* default */
    ap->hi[TEX_AMPCONT]             = 0.0;
    ap->lo[TEX_GPSIZELO]            = 0.0;
    ap->hi[TEX_GPSIZELO]            = 0.0;
    ap->lo[TEX_GPSIZEHI]            = 0.0;
    ap->hi[TEX_GPSIZEHI]            = 0.0;
    ap->lo[TEX_GPPACKLO]            = 0.0;
    ap->hi[TEX_GPPACKLO]            = 0.0;
    ap->lo[TEX_GPPACKHI]            = 0.0;
    ap->hi[TEX_GPPACKHI]            = 0.0;
    ap->lo[TEX_GPRANGLO]            = 0.0;  /* default 8 */
    ap->hi[TEX_GPRANGLO]            = 0.0;
    ap->lo[TEX_GPRANGHI]            = 0.0;  /* default 8 */
    ap->hi[TEX_GPRANGHI]            = 0.0;
    ap->lo[TEX_MULTLO]                      = 0.0; /* default 1 */
    ap->hi[TEX_MULTLO]                      = 0.0;
    ap->lo[TEX_MULTHI]                      = 0.0;  /* default 1 */
    ap->hi[TEX_MULTHI]                      = 0.0;
    ap->lo[TEX_DECPCENTRE]          = 0.0; /* default 0 */
    ap->hi[TEX_DECPCENTRE]          = 0.0;
    /* <-- KEEP I WHILE TESTING CODE */
    ap->lo[TEXTURE_ATTEN]           = FLTERR;
    ap->hi[TEXTURE_ATTEN]           = 1.0;
    ap->lo[TEXTURE_POS]     = 0.0;
    ap->hi[TEXTURE_POS]     = 16.0;
    ap->lo[TEXTURE_SPRD]            = 0.0;
    ap->hi[TEXTURE_SPRD]            = 16.0;
    ap->lo[TEXTURE_SEED]            = 0.0;
    ap->hi[TEXTURE_SEED]            = MAXSHORT;

    ap->default_val[TEXTURE_DUR]            = TEXTURE_DEFAULT_DUR;
    ap->default_val[TEXTURE_PACK]           = DENSITY_DEFAULT;
    ap->default_val[TEXTURE_SCAT]           = 0.0;
    ap->default_val[TEXTURE_TGRID]          = 0.0;
    ap->default_val[TEXTURE_INSLO]          = 1.0;
    ap->default_val[TEXTURE_INSHI]          = 1.0;
    ap->default_val[TEXTURE_MAXAMP]         = 64.0;
    ap->default_val[TEXTURE_MINAMP]         = 64.0;
    ap->default_val[TEXTURE_MAXDUR]         = min(ap->hi[TEXTURE_MAXDUR],TEXTURE_MAX_DUR);
    ap->default_val[TEXTURE_MINDUR]         = max(ap->lo[TEXTURE_MINDUR],TEXTURE_MIN_DUR);
    ap->default_val[TEXTURE_MAXPICH]        = DEFAULT_MIDI_PITCH;
    ap->default_val[TEXTURE_MINPICH]        = DEFAULT_MIDI_PITCH;
    ap->default_val[TEXTURE_OUTCHANS]       = 4;
    /* KEEP I WHILE TESTING CODE --> */
    ap->default_val[TEX_GPSPACE]            = 0.0;
    ap->default_val[TEX_GRPSPRANGE]         = 0.0;
    ap->default_val[TEX_AMPRISE]            = 0.0;
    ap->default_val[TEX_AMPCONT]            = 0.0;
    ap->default_val[TEX_GPSIZELO]           = 0.0;
    ap->default_val[TEX_GPSIZEHI]           = 0.0;
    ap->default_val[TEX_GPPACKLO]           = 0.0;
    ap->default_val[TEX_GPPACKHI]           = 0.0;
    ap->default_val[TEX_GPRANGLO]           = 0.0;
    ap->default_val[TEX_GPRANGHI]           = 0.0;
    ap->default_val[TEX_MULTLO]             = 0.0;
    ap->default_val[TEX_MULTHI]             = 0.0;
    ap->default_val[TEX_DECPCENTRE]         = 0.0;
    /* <-- KEEP I WHILE TESTING CODE */
    ap->default_val[TEXTURE_ATTEN]          = 1.0;
    ap->default_val[TEXTURE_POS]            = TEX_CENTRE;
    ap->default_val[TEXTURE_SPRD]           = MAX_SPREAD;
    ap->default_val[TEXTURE_SEED]           = 0.0;

    dz->maxmode = 5;
    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_texmchan_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 establish_bufptrs_and_extra_buffers(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);
}


/***************************** SETUP_INTERNAL_ARRAYS_AND_ARRAY_POINTERS **************************/

int setup_internal_arrays_and_array_pointers(dataptr dz)
{
    int n;
    dz->ptr_cnt    = -1;            /* base constructor...process */
    dz->array_cnt  = -1;
    dz->iarray_cnt = -1;
    dz->larray_cnt = -1;
    dz->array_cnt = 2; dz->iarray_cnt = 8; dz->larray_cnt = 0; dz->ptr_cnt = 0;     dz->fptr_cnt = 0;

    /*** WARNING ***
         ANY APPLICATION DEALING WITH A NUMLIST INPUT: MUST establish AT LEAST 1 double array: i.e. dz->array_cnt = at least 1
         **** WARNING ***/


    if(dz->array_cnt < 0 || dz->iarray_cnt < 0 || dz->larray_cnt < 0 || dz->ptr_cnt < 0 || dz->fptr_cnt < 0) {
        sprintf(errstr,"array_cnt not set in setup_internal_arrays_and_array_pointers()\n");
        return(PROGRAM_ERROR);
    }
    if((dz->parray  = (double **)malloc(dz->array_cnt * sizeof(double *)))==NULL) {
        sprintf(errstr,"INSUFFICIENT MEMORY for internal double arrays.\n");
        return(MEMORY_ERROR);
    }
    for(n=0;n<dz->array_cnt;n++)
        dz->parray[n] = NULL;

    if((dz->iparray = (int     **)malloc(dz->iarray_cnt * sizeof(int *)))==NULL) {
        sprintf(errstr,"INSUFFICIENT MEMORY for internal int arrays.\n");
        return(MEMORY_ERROR);
    }
    for(n=0;n<dz->iarray_cnt;n++)
        dz->iparray[n] = NULL;
    return(FINISHED);
}

/******************************** USAGE1 ********************************/

int usage1(void)
{
    usage2("texmchan");
    return(USAGE_ONLY);
}

/**************************** CHECK_TEXMCHAN_PARAM_VALIDITY_AND_CONSISTENCY *****************************/

int check_texmchan_param_validity_and_consistency(dataptr dz)
{
    int exit_status, n, kk;
    double *p, *end, maxpos, maxsprd;
    int OK = TRUE;
    if(dz->brksize[TEXTURE_INSLO]) {
        p = dz->brk[TEXTURE_INSLO] + 1;
        end = dz->brk[TEXTURE_INSLO] + (dz->brksize[TEXTURE_INSLO] * 2);
        while(p < end) {
            if(*p  > (double)dz->infilecnt) {
                OK = FALSE;
                break;
            }
            p += 2;
        }
    } else if(dz->iparam[TEXTURE_INSLO] > dz->infilecnt)
        OK  = FALSE;
    if(!OK) {
        sprintf(errstr,"FIRST SND-IN-LIST TO USE > count of files entered: cannot proceed.\n");
        return(DATA_ERROR);
    }
    OK = TRUE;
    if(dz->brksize[TEXTURE_INSHI]) {
        p = dz->brk[TEXTURE_INSHI] + 1;
        end = dz->brk[TEXTURE_INSHI] + (dz->brksize[TEXTURE_INSHI] * 2);
        while(p < end) {
            if(*p  > (double)dz->infilecnt) {
                OK = FALSE;
                break;
            }
            p += 2;
        }
    } else if(dz->iparam[TEXTURE_INSHI] > dz->infilecnt)
        OK  = FALSE;
    if(!OK) {
        sprintf(errstr,"LAST SND-IN-LIST TO USE > count of files entered: cannot proceed.\n");
        return(DATA_ERROR);
    }
    if(dz->brksize[TEXTURE_POS] == 0)
        maxpos = dz->param[TEXTURE_POS];
    else {
        if((exit_status = get_maxvalue_in_brktable(&maxpos,TEXTURE_POS,dz))<0)
            return(exit_status);
    }
    if(maxpos > (double)dz->iparam[TEXTURE_OUTCHANS]) {
        sprintf(errstr,"Largest Position Value(s) Exceeds Number Of Output Channels.\n");
        return(DATA_ERROR);
    }
    if(dz->brksize[TEXTURE_SPRD] == 0)
        maxsprd = dz->param[TEXTURE_SPRD];
    else {
        if((exit_status = get_maxvalue_in_brktable(&maxsprd,TEXTURE_SPRD,dz))<0)
            return(exit_status);
    }
    if(maxsprd > (double)dz->iparam[TEXTURE_OUTCHANS]) {
        sprintf(errstr,"Largest Spread Value(s) Exceeds Number Of Output Channels.\n");
        return(DATA_ERROR);
    }
    /* set up array for perming outchannels selected */
    if((dz->iparray[6] = (int *)malloc(dz->iparam[TEXTURE_OUTCHANS] * sizeof(int)))==NULL) {
        sprintf(errstr,"Insufficient Memory For Output Position Perming Array.\n");
        return(MEMORY_ERROR);
    }
    for(n=0;n<dz->iparam[TEXTURE_OUTCHANS];n++)     /* Fill channel permuting array with initial values */
        dz->iparray[6][n] = n;

    if(dz->vflag[4] == 1) {
        if(dz->iparam[TEXTURE_OUTCHANS] <= 2) {
            sprintf(errstr,"FIXED POSITION FLAG ONLY AVAILABLE WHEN OUTPUT CHANNEL COUNT IS > 2\n");
            return(DATA_ERROR);
        }
        kk = dz->infilecnt/dz->iparam[TEXTURE_OUTCHANS];
        if((kk * dz->iparam[TEXTURE_OUTCHANS]) != dz->infilecnt)
            kk++;
        kk *= dz->iparam[TEXTURE_OUTCHANS];
        // kk is an exact multiple of TEXTURE_OUTCHANS
        if((dz->parray[1]  = (double *)malloc(kk * sizeof(double)))==NULL) {
            sprintf(errstr,"INSUFFICIENT MEMORY for storage of infile positions.\n");
            return(MEMORY_ERROR);
        }
        if((dz->iparray[dz->iarray_cnt-1]  = (int *)malloc(kk * sizeof(int)))==NULL) {
            sprintf(errstr,"INSUFFICIENT MEMORY for storage of infile positions.\n");
            return(MEMORY_ERROR);
        }
    }
    return(FINISHED);
}

/********************************************************************************************/

int get_the_process_no(char *prog_identifier_from_cmdline,dataptr dz)
{
    if(!strcmp(prog_identifier_from_cmdline,"texmchan"))                            dz->process = TEX_MCHAN;
    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;n<brkcnt;n++) {
        dz->brk[n]     = NULL;
        dz->brkptr[n]  = NULL;
        dz->brkinit[n] = 0;
        dz->brksize[n] = 0;
    }
    return(FINISHED);
}

/******************************** USAGE2 ********************************/

int usage2(char *str)
{
    if(!strcmp(str,"texmchan")) {
        fprintf(stdout,
                "USAGE:\n"
                "texmchan texmchan mode infile [infile2...] outfile notedata outdur packing scatter\n"
                "  tgrid sndfirst sndlast  mingain maxgain  mindur maxdur  minpich maxpich outchans\n"
                " [-aatten] [-pposition] [-sspread] [-rseed] [-w -c -p -f]\n"
                "MODES:-\n"
                "1)  ON A GIVEN HARMONIC-FIELD        3)  ON A GIVEN HARMONIC-SET\n"
                "2)  ON CHANGING HARMONIC-FIELDS      4)  ON CHANGING HARMONIC-SETS\n"
                "5)  NONE\n"
                "notedata: infofile, insnd 'pitches',harmonic fields pitches etc.\n"
                "outdur:           (min) duration of outfile\n"
                "packing:          (average) time between event onsets.\n"
                "scatter:          randomisation of event-onsets (0 - %.0lf)\n"
                "tgrid:            minstep(MS) quantised timegrid(for grp starttimes)(default 0)\n"
                "sndfirst,sndlast: 1st,last snd to use,from list of insnds(range:1 - no.of snds)\n"
                "mingain,maxgain:  minimum & maximum level of input events (1-127:default 64,64)\n"
                "mindur,maxdur:    minimum & maximum duration of events in texture\n"
                "minpich,maxpich:  minimum & maximum pitch (MIDI VALUE):\n"
                "outchans:         number of output channels\n"
                "atten:            overall attenuation of the output\n"
                "position:         centre of output sound-image (from 1 to outchans)\n"
                "spread:           spatial-spread of texture events (1 - outchans)\n"
                "seed:             same seed-no: same output on rerun(dflt 0: differs each time)\n"
                "-w:               always play whole input-sound (ignoring duration values).\n"
                "-c:               Choose files cyclically in listed order (ignore 'sndfirst','last').\n"
                "-p:               Random permute each cycle (only when -c flag set).\n"
                "-f:               Fixes positions around space in order of files in command list.\n"
                "                  in this case, \"spread\" is degree of randomisation of these positions\n"
                "                  and values can range from 0 to 1 (values above 1 will be truncated)\n", MAX_SCAT_TEXTURE);
    } 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);
}

/****************************** SET_LEGAL_INTERNALPARAM_STRUCTURE *********************************/

int set_legal_internalparam_structure(int process,int mode,aplptr ap)
{
    int exit_status = FINISHED;
    exit_status = set_internalparam_data("iiidddi",ap);
    return(exit_status);
}

/********************** READ_SPECIAL_DATA ************************/

int read_special_data(char *str,dataptr dz)
{
    if((dz->fp = fopen(str,"r"))==NULL) {
        sprintf(errstr,"Failed to open notedata file %s\n",str);
        return(DATA_ERROR);
    }
    return(FINISHED);
}

/****************************** GET_MODE *********************************/

int get_the_mode_from_cmdline(char *str,dataptr dz)
{
    if(sscanf(str,"%d",&dz->mode)!=1) {
        sprintf(errstr,"Cannot read mode of program.\n");
        return(USAGE_ONLY);
    }
    if(dz->mode <= 0 || dz->mode > dz->maxmode) {
        sprintf(errstr,"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);
}