ComposerDesktopProject/dev/cdparse/cdparse.c

/*
 * 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
 *
 */



/* floats version */
/* RECEIVES FROM TK
 *
 *  Name of input file.
 *
 * SENDS TO TK
 *
 * (1)  Various file constants, which TK needs to STORE, to pass back at subsequent stage.
 */

/**** FEB 1999 MODS 
 *
 *  Force cdparams() output to be printed to stdout on a single line, with items separated by
 *  single spaces, forming a valid TK list
 *
 *  Recognise Float-sndfiles.
 */

#include <stdio.h>
#include <osbind.h>
#include <math.h>
#include <float.h>
#include <structures.h>
#include <sfsys.h>
#include <cdpstate.h>
#include <tkglobals.h>
#include <filetype.h>
#include <globcon.h>
#include <headread.h>
#include <speccon.h>
#include <processno.h>
#include <stdlib.h>
#include <ctype.h>
#include <limits.h>
#include <string.h>
//OCT 2005
#include <standalone.h>

/* NEW CODE June 1st 2000 */

#ifndef CDP97
#define CDP97               //RWD.6.98 need this!
#endif
#ifdef _DEBUG
#include <assert.h>
#endif
void maxsamp(int ifd,double *maxamp,double *maxloc,int *maxrep);
/* END OF NEW CODE */

#define POSSIBLE                (TRUE)
#ifdef IS_CDPARSE
char    errstr[400];      /* only for app version, not for cdp2k library version */
#endif

//RWD debugging
#define LOCALMEMBYTES (4000)

#ifdef unix
#define round(x) lround((x))
#endif

static void initialise_fileptr(infileptr inputfile);
static int  check_for_data_in_file(char *filename,infileptr inputfile);
static int  set_wlength_and_check_data(char *filename,int ifd,infileptr inputfile);
static int  check_pitch_or_transpos_binary_data(infileptr inputfile,char *filename,int ifd);
static int  megaparsec(char *filename,FILE *fp,infileptr inputfile);
static int  initial_parse_textfile(char *filename,FILE *fp,int *linelist,
                            int *has_comments,int *dB_notation,int *total_wordcnt,
                            int *numcnt,int *linecnt,int *max_line_word_cnt,int *min_line_word_cnt);
static void initial_textfile_check(int dB_notation,int *sndlist,int *mixlist,int *brklist,int *numlist,
                            int numcnt,int total_wordcnt,int max_line_word_cnt,int in_line_word_cnt);
static int  valid_start_of_mixfile_line(int k,int *chans,int lineno,char **wordstor,int *srate,
                            int *mixlist,infileptr inputfile,char *filename,double *dur);
#ifdef IS_CDPARSE
static int  is_valid_end_of_mixfile_line(int j,int chans,int lineno,char **wordstor,int *wordcnt);
#else
static int  is_valid_end_of_mixfile_line(int j,int chans,int lineno,char **wordstor,int *wordcnt,char *filename);
#endif
static int  confirm_true_stereo(int *chans,int *is_left,int *is_right,int *is_central,char *panword);
static int  is_a_possible_mixfile(char **wordstor,int *wordcnt,int linecnt,
            int *mixlist,int *srate,infileptr inputfile, char *filename,double *dur);
static int  OK_level(char *str);
static int  is_a_dB_value(char *str);
static int  get_leveldb_frame(char *str,double *val);
static int  is_a_valid_sndfile_for_mixfile(char *filename,char *sndfilename,int *srate,
            int chans,int linecnt,infileptr inputfile,double time,double *dur,int multichan);
static int  check_for_brklist_and_count_numbers(char **wordstor,int *wordcnt,
            int linecnt,int *brklist,infileptr inputfile,char *filename);
static int  check_for_a_linelist(int line_word_cnt,int *linelist,char **wordstor,infileptr inputfile);
static int  store_wordlist_without_comments
                (FILE *fp,char *temp,int total_wordcnt,char **wordstor,int *wordcnt,infileptr inputfile);
/* NEW CODE */
static int  assign_type(int sndlist,int numlist,int brklist,int mixlist,int synclist,int linelist,
            int extended_brkfile,infileptr inputfile);
/* NEW CODE */
static int  check_for_sndlist(char **wordstor,int *wordcnt,int linecnt,int *sndlist);
static int  check_for_a_synclist(int *synclist,char **wordstor,int *wordcnt,infileptr inputfile,char *filename);
static int  is_a_valid_sndfile_for_sync(char *filename,char *sndfilename,int *srate,int linecnt,infileptr inputfile);
static int  set_sndlist_flags(infileptr inputfile,char **wordstor);
static int  assign_brkfile_type(infileptr inputfile,int linelist);

#ifdef NO_DUPLICATE_SNDFILES
#ifdef IS_CDPARSE
static int  duplicated_filenames(int linecnt,char **wordstor,int *wordcnt);
#else
static int  duplicated_filenames(int linecnt,char **wordstor,int *wordcnt,char *filename);
#endif
#endif

static int  check_for_an_extended_brkfile
            (int *extended_brkfile,char **wordstor,int *wordcnt,int linecnt,int total_words,infileptr inputfile);
static int  extract_value_pair
            (int *n,double *time, double *val,double *maxval,double *minval,double *lasttime, char **wordstor);
static void utol(char *str);

extern int smpflteq(double a,double b);

int do_exit(int exit_status);

/* RWD TODO: use sndsystem */
#ifdef IS_CDPARSE
//static int nuheadread(infileptr inputfile,int ifd,char *filename,double *maxamp,double *maxloc, int *maxrep,int getmax);
#endif
static int parse_a_textfile(char *filename,infileptr inputfile);

static int get_multichan_mixdata_in_line(int wordcnt,char **wordstor,int total_words,double *time,int *chans,int maxoutchan);
static int is_a_possible_multichannel_mixfile
    (int numlist,int brklist,int sndlist,int linecnt,char **wordstor,int *wordcnt,char *mixfilename,infileptr inputfile);

static int IsNumeric(char *str);



/***************************** MAIN **************************/

#ifdef IS_CDPARSE

int sloom = 1;
int sloombatch = 0;
const char* cdp_version = "7.1.0";

int main(int argc,char *argv[])
{
    char *filename;
    infileptr inputfile;
    char temp[/*2000*/LOCALMEMBYTES], *p;   /*** Added FEB 1999 *****/
    int getmaxinfo = 1;
#else

int cdparse(char *filename,infileptr inputfile)
{
    int getmaxinfo = 0;

#endif

    int  exit_status;
    int  ifd;
    double maxamp = 0.0, maxloc = -1.0;
    int maxrep = 0;
    int getmax = 0;
#ifdef IS_CDPARSE

/* NEW CODE : June 1st 2000 */
    if(argc==2 && (strcmp(argv[1],"--version") == 0)) {
        fprintf(stdout,"%s\n",cdp_version);
        fflush(stdout);
        return 0;
    }
    if(argc!=3) {
        sprintf(errstr,"Incorrect call to cdparse()\n");
        exit_status = FAILED;
        return do_exit(exit_status);
    }
    if(sscanf(argv[2],"%d",&getmax)!=1) {
        sprintf(errstr,"Incorrect call to cdparse()\n");
        exit_status = FAILED;
        return do_exit(exit_status);
    }
    filename = argv[1];

    if(file_has_invalid_startchar(filename)) {
        sprintf(errstr, "Filename %s has invalid starting character(s)\n",filename);
        exit_status = FAILED;
        return do_exit(exit_status);
    }
    if(file_has_invalid_extension(filename)) {
        sprintf(errstr, "Filename %s has invalid extension for CDP work\n",filename);
        exit_status = FAILED;
        return do_exit(exit_status);
    }
    if((inputfile = (infileptr)malloc(sizeof(struct filedata)))==NULL) {
        sprintf(errstr,"Insufficient memory for parsing file %s.\n",filename);
        exit_status = MEMORY_ERROR;
        return do_exit(exit_status);
    }
#endif

    initialise_fileptr(inputfile);
    if((ifd = sndopenEx(filename,0,CDP_OPEN_RDONLY)) >= 0) {
        if((exit_status = readhead(inputfile,ifd,filename,&maxamp,&maxloc,&maxrep,getmax,getmaxinfo))<0) {
            if(sndcloseEx(ifd)<0) {
                sprintf(errstr, "Failed to close file %s\n",filename);
                exit_status = SYSTEM_ERROR;
                return do_exit(exit_status);
            }
            return do_exit(exit_status);
        }
        if(getmaxinfo && getmax && (maxrep < 0)) {  /* if maxsamp required & not in header, get it by searching file */
//TW only get maxsamp if it's a soundfile
            if(inputfile->filetype == SNDFILE) {
                maxsamp(ifd,&maxamp,&maxloc,&maxrep);         /*RWD TODO */
                sndseekEx(ifd,0,0);        /* RWD TODO */
            }
        }
        if((inputfile->insams = sndsizeEx(ifd))<0) {                    
            sprintf(errstr, "Can't read size of input file %s\n",filename);
            exit_status = DATA_ERROR;
            if(sndcloseEx(ifd)<0) {
                sprintf(errstr, "Failed to close file %s: %s\n",filename,sferrstr());
                exit_status = SYSTEM_ERROR;
            }
            return do_exit(exit_status);
        }
        if((exit_status = check_for_data_in_file(filename,inputfile))<0) {
            if(sndcloseEx(ifd)<0) {
                sprintf(errstr, "Failed to close file %s\n",filename);
                exit_status = SYSTEM_ERROR;
            }
            return do_exit(exit_status);
        }
        switch(inputfile->filetype) {
        case(ANALFILE):
        case(PITCHFILE):
        case(TRANSPOSFILE):
        case(FORMANTFILE):
            inputfile->nyquist   = inputfile->origrate/2.0;
            inputfile->frametime = (float)(1.0/inputfile->arate);
            /*inputfile->insams    = inputfile->infilesize/sizeof(float);   */
            if((exit_status = set_wlength_and_check_data(filename,ifd,inputfile))<0) {
                if(sndcloseEx(ifd)<0) {
                    sprintf(errstr, "Failed to close file %s\n",filename);
                    exit_status = SYSTEM_ERROR;
                }
                return do_exit(exit_status);
            }
            inputfile->duration  = inputfile->wlength * inputfile->frametime;
            if(inputfile->duration <= FLTERR) {
                sprintf(errstr, "file %s has ZERO duration : ignoring it\n",filename);
                exit_status = DATA_ERROR;
                return do_exit(exit_status);
            }
            break;
        case(ENVFILE):  
            if(sndgetprop(ifd,"window size",(char *)&inputfile->window_size,sizeof(float)) < 0) {
                sprintf(errstr, "Cannot read window size for file %s\n",filename);
                exit_status = DATA_ERROR;
                return do_exit(exit_status);
            }
            inputfile->duration  = inputfile->window_size * inputfile->insams * MS_TO_SECS;
            if(inputfile->duration <= FLTERR) {
                sprintf(errstr, "file %s has zero duration : ignoring it\n",filename);
                exit_status = DATA_ERROR;
                return do_exit(exit_status);
            }
            break;
        case(SNDFILE):
        case(FLT_SNDFILE):         /*RWD 2001 added - needed? */
            /*inputfile->insams    = inputfile->infilesize/sizeof(short);   */
            inputfile->nyquist   = (double)inputfile->srate/2.0;
            inputfile->duration  = (double)(inputfile->insams/inputfile->channels)/(double)(inputfile->srate);
            if(inputfile->duration <= FLTERR) {
                sprintf(errstr, "file %s has zero duration : ignoring it\n",filename);
                exit_status = DATA_ERROR;
                return do_exit(exit_status);
            }
            //RWD.7.99 need to reset this to FLT_SNDFILE if stype==FLOAT ?
            break;
        default:
            exit_status = DATA_ERROR;
            sprintf(errstr,"Unknown type of file: file %s\n",filename);
            if(sndcloseEx(ifd)<0) {
                sprintf(errstr, "Failed to close file %s\n",filename);
                exit_status = SYSTEM_ERROR;
            }
            return do_exit(exit_status);
        }
        if(sndcloseEx(ifd)<0) {
            sprintf(errstr, "Failed to close file %s\n",filename);
            exit_status = SYSTEM_ERROR;
            return do_exit(exit_status);
        }
    } else {
        if((exit_status = parse_a_textfile(filename,inputfile)) < 0)
            return(exit_status);

    }

#ifdef IS_CDPARSE

    p = temp;                                         
    sprintf(p,"%d ",inputfile->filetype);           /* 0 */ 
    p = temp + strlen(temp);
//TW CORRECTED, FOR COMPATIBILITY WITH tkinput: first value OUTPUT is NOW in samples (it was, infilesize)
//  sprintf(p,"%d ",  inputfile->infilesize       /* 1 */   p = temp + strlen(temp);
    sprintf(p,"%d ",  inputfile->insams);             /* 1 */   p = temp + strlen(temp);
    sprintf(p,"%d ",  inputfile->insams);             /* 2 */   p = temp + strlen(temp);
    sprintf(p,"%d ",  inputfile->srate);              /* 3 */   p = temp + strlen(temp);
    sprintf(p,"%d ",  inputfile->channels);       /* 4 */   p = temp + strlen(temp);
    sprintf(p,"%d ",  inputfile->wanted);             /* 5 */   p = temp + strlen(temp);
    sprintf(p,"%d ",  inputfile->wlength);            /* 6 */   p = temp + strlen(temp);
    sprintf(p,"%d ",  inputfile->linecnt);            /* 7 */   p = temp + strlen(temp);
    sprintf(p,"%f ",   inputfile->arate);             /* 8 */   p = temp + strlen(temp);
    sprintf(p,"%.12f ",inputfile->frametime);         /* 9 */   p = temp + strlen(temp);
    sprintf(p,"%lf ",  inputfile->nyquist);           /* 10 */  p = temp + strlen(temp);
    sprintf(p,"%lf ",  inputfile->duration);          /* 11 */  p = temp + strlen(temp);
    sprintf(p,"%d ",  inputfile->stype);              /* 12 */  p = temp + strlen(temp);
    sprintf(p,"%d ",  inputfile->origstype);          /* 13 */  p = temp + strlen(temp);
    sprintf(p,"%d ",  inputfile->origrate);       /* 14 */  p = temp + strlen(temp);
    sprintf(p,"%d ",   inputfile->Mlen);              /* 15 */  p = temp + strlen(temp);
    sprintf(p,"%d ",   inputfile->Dfac);              /* 16 */  p = temp + strlen(temp);
    sprintf(p,"%d ",  inputfile->origchans);          /* 17 */  p = temp + strlen(temp);
    sprintf(p,"%d ",   inputfile->specenvcnt);        /* 18 */  p = temp + strlen(temp);
    sprintf(p,"%d ",   inputfile->out_chans);         /* 19 */  p = temp + strlen(temp);
//TW REVISED
//  sprintf(p,"%d ",  inputfile->descriptor_bytes);  /* 20 *    p = temp + strlen(temp);   /*RWD TODO : ??? */
    sprintf(p,"%d ",  inputfile->descriptor_samps);  /* 20 */   p = temp + strlen(temp);
    sprintf(p,"%d ",   inputfile->is_transpos);       /* 21 */  p = temp + strlen(temp);
    sprintf(p,"%d ",   inputfile->could_be_transpos); /* 22 */  p = temp + strlen(temp);
    sprintf(p,"%d ",   inputfile->could_be_pitch);    /* 23 */  p = temp + strlen(temp);
    sprintf(p,"%d ",   inputfile->different_srates);  /* 24 */  p = temp + strlen(temp);
    sprintf(p,"%d ",   inputfile->duplicate_snds);    /* 25 */  p = temp + strlen(temp);
    sprintf(p,"%d ",  inputfile->brksize);            /* 26 */  p = temp + strlen(temp);
    sprintf(p,"%d ",  inputfile->numsize);            /* 27 */  p = temp + strlen(temp);
    sprintf(p,"%d ",  inputfile->all_words);          /* 28 */  p = temp + strlen(temp);
    sprintf(p,"%f ",   inputfile->window_size);       /* 29 */  p = temp + strlen(temp);
    sprintf(p,"%lf ",  inputfile->minbrk);            /* 30 */  p = temp + strlen(temp);
    sprintf(p,"%lf ",  inputfile->maxbrk);            /* 31 */  p = temp + strlen(temp);
    sprintf(p,"%lf ",  inputfile->minnum);            /* 32 */  p = temp + strlen(temp);
    sprintf(p,"%lf ", inputfile->maxnum);             /* 33 */  p = temp + strlen(temp); 
//TW maxsamp is now float value
    sprintf(p,"%lf ", maxamp);              /* 34 value of maxsamp */   p = temp + strlen(temp);
    sprintf(p,"%d ", (int)round(maxloc));       /* 35 location maxsamp */   p = temp + strlen(temp);
    sprintf(p,"%d\n", maxrep);                  /* 36 no of repets, [old usage, -1 flagged no maxval] */
    fprintf(stdout,"%s",temp);
    fprintf(stdout,"END\n");
    fflush(stdout);
    return(SUCCEEDED);
#else
    return(FINISHED);
#endif
}

/********************************** CHECK_FOR_DATA_IN_FILE ************************************/

int check_for_data_in_file(char *filename,infileptr inputfile)
{
    switch(inputfile->filetype) {
    case(FORMANTFILE):
        /*if(inputfile->infilesize <= (int)(DESCRIPTOR_DATA_BLOKS * inputfile->specenvcnt * sizeof(float))) */
        if(inputfile->insams <= (int)(DESCRIPTOR_DATA_BLOKS * inputfile->specenvcnt)) {
            sprintf(errstr, "FILE %s contains no data.\n",filename);
            return(DATA_ERROR);
        }
        break;
    default:
        if(inputfile->insams <= 0L) {
            sprintf(errstr, "FILE %s contains no data.\n",filename);
            return(DATA_ERROR);
        }
        break;
    }
    return(FINISHED);
}

/************************* INITIALISE_FILEPTR *************************/

void initialise_fileptr(infileptr inputfile)
{
    inputfile->filetype     = 0;

    /*inputfile->infilesize     = 0;*/
    inputfile->insams           = 0;

    inputfile->srate            = 0;
    inputfile->channels         = 0;
    inputfile->stype            = 0;
    inputfile->origstype        = 0;
    inputfile->origrate         = 0;
    inputfile->Mlen             = 0;
    inputfile->Dfac             = 0;
    inputfile->origchans        = 0;
    inputfile->specenvcnt       = 0;
    inputfile->wanted           = 0;
    inputfile->wlength          = 0;
    inputfile->out_chans        = 0;    
    inputfile->descriptor_samps = 0;

    inputfile->is_transpos          = FALSE;
    inputfile->could_be_transpos    = FALSE;
    inputfile->could_be_pitch       = FALSE;
    inputfile->different_srates     = FALSE;
    inputfile->duplicate_snds       = FALSE;

    inputfile->brksize      = 0;
    inputfile->numsize      = 0;

    inputfile->linecnt      = 0;
    inputfile->all_words    = 0;

    inputfile->arate        = 0.0f;
    inputfile->frametime    = 0.0f;
    inputfile->window_size  = 0.0f;
    inputfile->nyquist      = 0.0;
    inputfile->duration     = 0.0;
    inputfile->minbrk       = 0.0;
    inputfile->maxbrk       = 0.0;
    inputfile->minnum       = 0.0;
    inputfile->maxnum       = 0.0;
}

/***************************** SET_WLENGTH_AND_CHECK_DATA *******************************/

int set_wlength_and_check_data(char *filename,int ifd,infileptr inputfile)
{
    int exit_status;
    switch(inputfile->filetype) {
    case(ANALFILE):
        inputfile->wanted  = inputfile->channels;
        inputfile->wlength = inputfile->insams/inputfile->wanted;
        break;
    case(PITCHFILE):
    case(TRANSPOSFILE):
        inputfile->wlength = inputfile->insams;
        inputfile->wanted  = 1; /* notional: to avoid error calls with bad command lines */
        if((exit_status = check_pitch_or_transpos_binary_data(inputfile,filename,ifd))<0)
            return(exit_status);
        break;
    case(FORMANTFILE):
        inputfile->wlength          = (inputfile->insams/inputfile->specenvcnt) - DESCRIPTOR_DATA_BLOKS;
        inputfile->descriptor_samps = inputfile->specenvcnt * DESCRIPTOR_DATA_BLOKS;
        inputfile->wanted           = inputfile->origchans; /* temporary val for initialise_specenv */
                                                        /* working val set in ...chunklen...()  */
        break;
    default:
        sprintf(errstr,"Invalid case: set_wlength_and_check_data()\n");
        return(PROGRAM_ERROR);
    }
    return(FINISHED);
}

/********************* CHECK_PITCH_OR_TRANSPOS_BINARY_DATA *************************/

int check_pitch_or_transpos_binary_data(infileptr inputfile,char *filename,int ifd)
{
    int samps_read;
    int samps_to_read = inputfile->insams;  
    int n;
    float *thisdata;
    
    if((thisdata = (float *)malloc((size_t)(samps_to_read * sizeof(float))))==NULL) {
        sprintf(errstr,"INSUFFICIENT MEMORY for pitch_or_transpos_binary_data of file %s\n",filename);
        return(MEMORY_ERROR);
    }
    samps_read = fgetfbufEx(thisdata, samps_to_read,ifd,0);
    if(samps_read!= inputfile->insams) {
        /*RWD.6.98 lets discriminate!*/
        if(samps_read < 0){
            sprintf(errstr,"Failed to read infile data.\n");
            return SYSTEM_ERROR;
        }
        sprintf(errstr,"Problem reading binary pitch or transposition data in file %s.\n",filename);
        return(PROGRAM_ERROR);
    }
    switch(inputfile->filetype) {
    case(PITCHFILE):
        for(n=0;n<inputfile->insams;n++) {

//TW BRACKETED OUT: NEW CODE DEALS WITH UNPITCHED, AND SILENT WINDOWS       
/*
            if(thisdata[n] < FLTERR) {
                sprintf(errstr,"File %s contains unpitched windows: cannot proceed.\n",filename);
                return(DATA_ERROR);
            }
*/
            if(thisdata[n] >= inputfile->nyquist) {
                sprintf(errstr,"File %s contains pitches beyond nyquist: cannot proceed.\n",filename);
                return(DATA_ERROR);
            }
        }
        break;
    case(TRANSPOSFILE):
        for(n=0;n<inputfile->insams;n++) {
            if(thisdata[n] < MIN_TRANSPOS || thisdata[n] >= MAX_TRANSPOS) {
                sprintf(errstr,"Transposition data item %d (%f):file %s: out of range (%lf to %lf)\n",              
                n+1,thisdata[n],filename,MIN_TRANSPOS,MAX_TRANSPOS);
                return(DATA_ERROR);
            }
        }
        inputfile->is_transpos = TRUE;
        break;
    }
    free(thisdata);
    return(FINISHED);
}

/************************************* MEGAPARSEC ******************************/

int megaparsec(char *filename,FILE *fp,infileptr inputfile)
{
    int  exit_status;
/* NEW CODE */  
    int  extended_brkfile = POSSIBLE;
/* NEW CODE */  
    int  sndlist      = POSSIBLE;
    int  numlist      = POSSIBLE;
    int  brklist      = POSSIBLE;
    int  mixlist      = POSSIBLE;
    int  linelist     = POSSIBLE;
    int  synclist     = POSSIBLE;
    int  has_comments = FALSE;
    int  dB_notation  = FALSE;
    char temp[/*2000*/LOCALMEMBYTES];
    char **wordstor;
    int  *wordcnt;
    int numcnt = 0, linecnt = 0, total_wordcnt = 0, max_line_word_cnt = 0, min_line_word_cnt, n, srate;
    double dur = 0.0;

    if((exit_status = initial_parse_textfile(filename,fp,&linelist,&has_comments,&dB_notation,
    &total_wordcnt,&numcnt,&linecnt,&max_line_word_cnt,&min_line_word_cnt))<0)
        return(exit_status);
    initial_textfile_check(dB_notation,&sndlist,&mixlist,&brklist,
    &numlist,numcnt,total_wordcnt,max_line_word_cnt,min_line_word_cnt);

    if((wordstor = (char **)malloc(total_wordcnt * sizeof(char *)))==NULL) {
        sprintf(errstr,"INSUFFICIENT MEMORY for wordstor: file %s\n",filename);
        return(MEMORY_ERROR);
    }
    for(n=0;n<total_wordcnt;n++)        /* initialise, for testing and safe freeing */
        wordstor[n] = NULL;

    inputfile->all_words = total_wordcnt;

    if((wordcnt  = (int *)malloc(linecnt * sizeof(int)))==NULL) {
        sprintf(errstr,"INSUFFICIENT MEMORY for wordcnt: file %s\n",filename);
        return(MEMORY_ERROR);
    }
    for(n=0;n<linecnt;n++)      /* initialise, for later testing */
        wordcnt[n] = 0;

    if(fseek(fp,0,0)<0) {
        sprintf(errstr,"fseek failed in megaparsec(): 1\n");
        return(PROGRAM_ERROR);
    }

    if((exit_status = store_wordlist_without_comments(fp,temp,inputfile->all_words,wordstor,wordcnt,inputfile))<0)
        return(exit_status);
//OCT 2005
    if((exit_status = is_a_possible_multichannel_mixfile
    (numlist,brklist,sndlist,linecnt,wordstor,wordcnt,filename,inputfile)) == FINISHED) {
        inputfile->filetype = MIX_MULTI;
        return(FINISHED);
    }

    if(sndlist==POSSIBLE) {
        if((exit_status = check_for_sndlist(wordstor,wordcnt,linecnt,&sndlist))<0)
            return(exit_status);
    } else if(numlist==POSSIBLE) {
        if((exit_status = check_for_brklist_and_count_numbers(wordstor,wordcnt,linecnt,&brklist,inputfile,filename))<0)
            return(exit_status);
    }
    if(sndlist==POSSIBLE || numlist==POSSIBLE)      
        mixlist = FALSE;

    if(mixlist==POSSIBLE) {
        if((exit_status = is_a_possible_mixfile(wordstor,wordcnt,linecnt,&mixlist,&srate,inputfile,filename,&dur))<0)
            return(exit_status);
        if(mixlist==FALSE)
            inputfile->out_chans = 0;   
        else {
            inputfile->srate = srate;
            inputfile->duration = dur;
            synclist = FALSE;
            brklist  = FALSE;
            sndlist  = FALSE;
            extended_brkfile = FALSE;
        }
    }

    if(linelist==POSSIBLE) {
        if((exit_status = check_for_a_linelist(max_line_word_cnt,&linelist,wordstor,inputfile))<0)
            return(exit_status);
    }

    if(sndlist==POSSIBLE) {
        if((exit_status = set_sndlist_flags(inputfile,wordstor))<0)
            return(exit_status);
        if(inputfile->different_srates
        
#ifdef NO_DUPLICATE_SNDFILES
        || inputfile->duplicate_snds
#endif      

        )
            synclist = FALSE;
    } else if(synclist==POSSIBLE) {
        if((exit_status = check_for_a_synclist(&synclist,wordstor,wordcnt,inputfile,filename))<0)
            return(exit_status);
    }
//TW REMOVED COMMENTS
    if(extended_brkfile==POSSIBLE) {
        if((exit_status = 
        check_for_an_extended_brkfile(&extended_brkfile,wordstor,wordcnt,linecnt,total_wordcnt,inputfile))<0)
            return(exit_status);
    }
    if((inputfile->filetype = assign_type(sndlist,numlist,brklist,mixlist,synclist,linelist,extended_brkfile,inputfile))<0)
        return(inputfile->filetype);
    return(FINISHED);
}

/************************************* INITIAL_PARSE_TEXTFILE ******************************/

int initial_parse_textfile                  
(char *filename,FILE *fp,int *linelist,int *has_comments,int *dB_notation,
int *total_wordcnt,int *numcnt,int *linecnt,int *max_line_word_cnt,int *min_line_word_cnt)
{
    char temp[LOCALMEMBYTES], *p, *q, c;  // RWD was 2000
    double val;
    int line_num_cnt = 0;
    int last_line_word_cnt = 0, last_line_num_cnt = 0;
    int line_word_cnt = 0;
    *max_line_word_cnt = 0;
    *min_line_word_cnt = INT_MAX;

    while((c = (char)fgetc(fp))!=EOF) {
        if(!isalnum(c) && !ispunct(c) && !isspace(c)) {
            sprintf(errstr,"%s is not a valid CDP file\n",filename);
            return(DATA_ERROR);
        }
    }
    if(fseek(fp,0,0) != 0) {
        sprintf(errstr,"Cannot rewind to start of file %s\n",filename);
        return(DATA_ERROR);
    }


    while(fgets(temp,2000,fp)!=NULL) {
        p = temp;
        if(is_a_comment(p)) {
            *has_comments = TRUE;
            continue;
        } else if(is_an_empty_line(p))
            continue;
        line_word_cnt = 0;
        line_num_cnt  = 0;
        while(get_word_from_string(&p,&q)) {
            line_word_cnt++;
            if(is_a_dB_value(q)) {
                *dB_notation = TRUE;
                (*numcnt)++;
                line_num_cnt++;
            } else if(get_float_from_within_string(&q,&val)) {
                (*numcnt)++;
                line_num_cnt++;
            }
        }
        if(*linecnt) {
            if(line_word_cnt != last_line_word_cnt
            || line_num_cnt != last_line_num_cnt)
                *linelist = FALSE;
        }
        *max_line_word_cnt = max(*max_line_word_cnt,line_word_cnt);
        *min_line_word_cnt = min(*min_line_word_cnt,line_word_cnt);
        last_line_word_cnt = line_word_cnt;
        last_line_num_cnt  = line_num_cnt;
        *total_wordcnt    += line_word_cnt;
        (*linecnt)++;
    }
    if(*total_wordcnt==0) {
        sprintf(errstr,"Cannot get any data from file %s\n",filename);
        return(DATA_ERROR);
    }
    return(FINISHED);
}

/************************************* INITIAL_TEXTFILE_CHECK ******************************/

void initial_textfile_check(int dB_notation,int *sndlist,int *mixlist,int *brklist,int *numlist,
                            int numcnt,int wordcnt,int max_line_word_cnt,int min_line_word_cnt)
{
    if((numcnt < wordcnt) || dB_notation) {
        *numlist  = FALSE;
        *brklist  = FALSE;
    }
    if(numcnt == wordcnt) {
        *mixlist  = FALSE;
        *sndlist  = FALSE;
    }
    if(ODD(numcnt))
        *brklist = FALSE;

    if(numcnt>0)
        *sndlist  = FALSE;
    else
        *mixlist = FALSE;

    if(min_line_word_cnt<MIX_MINLINE || max_line_word_cnt>MIX_MAXLINE)
        *mixlist  = FALSE;

}

/************************************* VALID_START_OF_MIXFILE_LINE ******************************/
#ifdef IS_CDPARSE
int valid_start_of_mixfile_line
(int k,int *chans,int lineno,char **wordstor,int *srate,int *mixlist,infileptr inputfile,char *filename,double *dur)
{
    int exit_status;
    double time;
    char *sndfilename;
    sndfilename = wordstor[k++];
    if(sscanf(wordstor[k++],"%lf",&time)!=1) {
        *mixlist = FALSE;   
        return(FINISHED);
    }
    if(time<0.0) {
        *mixlist = FALSE;
        return(FINISHED);
    }
    if(sscanf(wordstor[k++],"%d",chans)!=1) {
        *mixlist = FALSE;
        return(FINISHED);
    }
    if(*chans < MONO || *chans > STEREO) {
        *mixlist = FALSE;
        return(FINISHED);
    }

    if((exit_status = is_a_valid_sndfile_for_mixfile(filename,sndfilename,srate,*chans,lineno,inputfile,time,dur,0))<0)
        return(exit_status);
    if(exit_status == FALSE) {
        *mixlist = FALSE;
        return(FINISHED);
    }
    if(!OK_level(wordstor[k])) {                        /* must be numeric, and witihin range */
        *mixlist = FALSE;
        return(FINISHED);
    }
    return(FINISHED);
}
#else
int valid_start_of_mixfile_line
(int k,int *chans,int lineno,char **wordstor,int *srate,int *mixlist,infileptr inputfile,char *filename,double *dur)
{
    int exit_status;
    double time;
    char *sndfilename;
    sndfilename = wordstor[k++];
    if(sscanf(wordstor[k++],"%lf",&time)!=1) {
        if(lineno>0) {
            fprintf(stdout,"WARNING: If %s is a mixfile: Invalid or missing time val on line %d\n",filename,lineno+1);
            fflush(stdout);
        }
        *mixlist = FALSE;
        return(FINISHED);
    }
    if(time<0.0) {
        if(lineno>0) {
            fprintf(stdout,"WARNING: If %s is a mixfile: starttime less than zero [%lf]: line %d\n",
            filename,time,lineno+1);
            fflush(stdout);
        }
        *mixlist = FALSE;
        return(FINISHED);
    }
    if(sscanf(wordstor[k++],"%d",chans)!=1) {
        if(lineno>0) {
            fprintf(stdout,"WARNING: If %s is a mixfile: Invalid or missing channel val on line %d\n",
            filename,lineno+1);
            fflush(stdout);
        }
        *mixlist = FALSE;
        return(FINISHED);
    }
    if(*chans < MONO || *chans > STEREO) {
        if(lineno>0) {
            fprintf(stdout,"WARNING: If %s is a mixfile: Invalid channel-cnt on line %d\n",filename,lineno+1);
            fflush(stdout);
        }
        *mixlist = FALSE;
        return(FINISHED);
    }

    if((exit_status = is_a_valid_sndfile_for_mixfile(filename,sndfilename,srate,*chans,lineno,inputfile,time,dur,0))<0)
        return(exit_status);
    if(exit_status == FALSE) {
        *mixlist = FALSE;
        return(FINISHED);
    }
    if(!OK_level(wordstor[k])) {                        /* must be numeric, and witihin range */
        if(lineno>0) {
            fprintf(stdout,"WARNING: If %s is a mixfile: Invalid [channel 1] level val on line %d\n",
            filename,lineno+1);
            fflush(stdout);
        }
        *mixlist = FALSE;
        return(FINISHED);
    }
    return(FINISHED);
}
#endif

/************************************* IS_VALID_END_OF_MIXFILE_LINE ******************************/

#ifdef IS_CDPARSE
int is_valid_end_of_mixfile_line(int j,int chans,int lineno,char **wordstor,int *wordcnt)
{
    double pan;
//TW UPDATE: AVOID WARNING
    int got_numeric_panval = sscanf(wordstor[j],"%lf",&pan);
    if(strcmp(wordstor[j],"C") && strcmp(wordstor[j],"L") && strcmp(wordstor[j],"R") 
    && got_numeric_panval!=1)
        return(FALSE);                                      
    if(got_numeric_panval && (pan < MINPAN || pan >MAXPAN))
        return(FALSE);                                      
    if(chans==MONO) {
        if(wordcnt[lineno]>MIX_MIDLINE) {
            return(FALSE);
        } 
        return(TRUE);
    } else {
         if(wordcnt[lineno]<MIX_MAXLINE) {
            return(FALSE);
        }
    }
    j++;
    if(!OK_level(wordstor[j++]))                /* level must be numeric or dB & in range  */
        return(FALSE);
    got_numeric_panval = 0;
//TW UPDATE: AVOID WARNING
    got_numeric_panval = sscanf(wordstor[j],"%lf",&pan);
    if(strcmp(wordstor[j],"C") && strcmp(wordstor[j],"L") && strcmp(wordstor[j],"R") 
    && (got_numeric_panval !=1))    /* pan must be C,R,L or numeric */
        return(FALSE);
    if(got_numeric_panval && (pan < MINPAN || pan > MAXPAN)) {
        return(FALSE);                                      
    }
    return(TRUE);
}

#else

int is_valid_end_of_mixfile_line(int j,int chans,int lineno,char **wordstor,int *wordcnt,char *filename)
{
    double pan;
//TW UPDATE: AVOID WARNING
    int got_numeric_panval = sscanf(wordstor[j],"%lf",&pan);
    if(strcmp(wordstor[j],"C") && strcmp(wordstor[j],"L") && strcmp(wordstor[j],"R") 
    && got_numeric_panval!=1) {
        if(lineno>0) {
            fprintf(stdout,"WARNING: If %s is a mixfile: Invalid (1st) pan val, line %d\n",filename,lineno+1);
            fflush(stdout);
        }
        return(FALSE);                                      
    }
    if(got_numeric_panval && (pan < MINPAN || pan >MAXPAN))  {
        if(lineno>0) {
            fprintf(stdout,"WARNING: If %s is a mixfile: Invalid (1st) pan val [%lf], line %d\n",
            filename,pan,lineno+1);
            fflush(stdout);
        }
        return(FALSE);                                      
    }

    if(chans==MONO) {
        if(wordcnt[lineno]>MIX_MIDLINE) {
            if(lineno>0) {
                fprintf(stdout,"WARNING: If %s is a mixfile: Too many words on line %d\n",filename,lineno+1);
                fflush(stdout);
            }
            return(FALSE);
        } 
        return(TRUE);
    } else {
         if(wordcnt[lineno]<MIX_MAXLINE) {
            if(lineno>0) {
                fprintf(stdout,"WARNING: If %s is a mixfile: Too few entries for stereo file on line %d\n",
                filename,lineno+1);
                fflush(stdout);
            }
            return(FALSE);
        }
    }
    j++;
    if(!OK_level(wordstor[j++])) {              /* level must be numeric or dB & in range  */
        if(lineno>0) {
            fprintf(stdout,"WARNING: If %s is a mixfile: Missing level for chan2 on line %d\n",filename,lineno+1);
            fflush(stdout);
        }
        return(FALSE);
    }
    got_numeric_panval = 0;
//TW UPDATE: AVOID WARNING
    got_numeric_panval = sscanf(wordstor[j],"%lf",&pan);
    if(strcmp(wordstor[j],"C") && strcmp(wordstor[j],"L") && strcmp(wordstor[j],"R") 
    && (got_numeric_panval !=1)) {  /* pan must be C,R,L or numeric */
        if(lineno>0) {
            fprintf(stdout,"WARNING: If %s is a mixfile: Missing chan2 pan val on line %d\n",
            filename,lineno+1);
            fflush(stdout);
        }
        return(FALSE);
    }
    if(got_numeric_panval && (pan < MINPAN || pan > MAXPAN)) {
        if(lineno>0) {
            fprintf(stdout,"WARNING: If %s is a mixfile: Invalid 2nd pan val [%lf], line %d\n",
            filename,pan,lineno+1);
            fflush(stdout);
        }
        return(FALSE);                                      
    }
    return(TRUE);
}
#endif
/************************************* CONFIRM_TRUE_STEREO ******************************/

int confirm_true_stereo(int *chans,int *is_left,int *is_right,int *is_central,char *panword)
{
    double pan;
    if(!strcmp(panword,"L")) {
        *is_left = TRUE;            /* panned hard Left */
        *chans = MONO;
    } else if(!strcmp(panword,"R")) {
        *is_right = TRUE;       /* panned hard Right */
        *chans = MONO;
    } else if(strcmp(panword,"C")) {
        if(sscanf(panword,"%lf",&pan)!=1) {
            sprintf(errstr,"Parsing error 2: confirm_true_stereo()\n");
            return(PROGRAM_ERROR);
        }
        if(pan <= -1.0) {
            *is_left = TRUE;        /* panned hard Left */
            *chans  = MONO;
        } else if(pan >= 1.0) {
            *is_right = TRUE;       /* panned hard Right */
            *chans  = MONO;
        }
// TW REMOVED COMMENTS
          else
            *chans = STEREO;
    }
      else
        *is_central = TRUE;
    return(FINISHED);
}

/**************** IS_A_POSSIBLE_MIXFILE **********************/

int is_a_possible_mixfile(char **wordstor,int *wordcnt,int linecnt,int *mixlist,
                            int *srate,infileptr inputfile,char *filename,double *dur)
{
    int exit_status;
    int is_left = FALSE, is_right = FALSE, is_central = FALSE;
    int /*cnt = 0,*/ chans;
    int k = 0, j, lineno;

    if(linecnt > SF_MAXFILES-1) {
#ifndef IS_CDPARSE
        fprintf(stdout,"WARNING: If %s is a mixfile: cannot mix more than %d files in one mix\n",
        filename,SF_MAXFILES-1);
        fflush(stdout);
#endif
        *mixlist  = FALSE;
        return(FINISHED);
    }
    for(lineno=0;lineno<linecnt;lineno++) {
        if((exit_status = valid_start_of_mixfile_line(k,&chans,lineno,wordstor,srate,mixlist,inputfile,filename,dur))<0)
            return(exit_status);
        if(*mixlist==FALSE) 
            return(FINISHED);
        if(wordcnt[lineno]>MIX_MINLINE) {
            j = k + MIX_MINLINE;
#ifdef IS_CDPARSE
            if(!is_valid_end_of_mixfile_line(j,chans,lineno,wordstor,wordcnt)) {
#else
            if(!is_valid_end_of_mixfile_line(j,chans,lineno,wordstor,wordcnt,filename)) {
#endif
                *mixlist = FALSE;
                return(FINISHED);
            }
            if(wordcnt[lineno]==MIX_MIDLINE && chans==MONO) {
                if((exit_status = confirm_true_stereo(&chans,&is_left,&is_right,&is_central,wordstor[j]))<0)
                    return(exit_status);
            }
        } else
            is_central = TRUE;
        inputfile->out_chans = max(inputfile->out_chans,chans);
        k += wordcnt[lineno];
    }

#ifdef NO_DUPLICATE_SNDFILES
#ifdef IS_CDPARSE
    if(duplicated_filenames(linecnt,wordstor,wordcnt)) 
#else
    if(duplicated_filenames(linecnt,wordstor,wordcnt,filename)) 
#endif
    {
        *mixlist = FALSE;
        return(FINISHED);
    }
#endif

    if(inputfile->out_chans==MONO) {
        if((is_left  && is_right)
        || (is_left  && is_central)
        || (is_right && is_central))
            inputfile->out_chans = STEREO;
    }
    if(inputfile->out_chans < MONO) {
        sprintf(errstr,"Impossible out_chans value\n");
        return(PROGRAM_ERROR);
    }
    return(FINISHED);
}

/******************* DUPLICATED_FILENAMES **************************/
#ifdef IS_CDPARSE

int duplicated_filenames(int linecnt,char **wordstor,int *wordcnt)
{
    int n, m;
    int j, k = 0;
    for(n=0;n<linecnt-1;n++) {
        j = k;      
        for(m=n+1;m<linecnt;m++) {
            j += wordcnt[m-1];          
            if(!strcmp(wordstor[k],wordstor[j]))
                return(TRUE);
        }
        k += wordcnt[n];
    }
    return(FALSE);
}
#else
int duplicated_filenames(int linecnt,char **wordstor,int *wordcnt,char *filename)
{
    int n, m;
    int j, k = 0;
    for(n=0;n<linecnt-1;n++) {
        j = k;      
        for(m=n+1;m<linecnt;m++) {
            j += wordcnt[m-1];          
            if(!strcmp(wordstor[k],wordstor[j])) {
#ifndef IS_CDPARSE
                fprintf(stdout,"WARNING: If %s is a mix or syncfile: filename duplicates found (not allowed).\n",filename);
                fflush(stdout);
#endif
                return(TRUE);
            }
        }
        k += wordcnt[n];
    }
    return(FALSE);
}
#endif

/*************** OK_LEVEL ******************/

int OK_level(char *str)
{
    int exit_status = TRUE;
    double level;
    if(is_a_dB_value(str))
        exit_status = get_leveldb_frame(str,&level);
    else {
        if(sscanf(str,"%lf",&level)!=1)
            exit_status = FALSE;
    }
    if(exit_status==FALSE || level < 0.0)
        return(FALSE);
    return(TRUE);
}

/************************************* IS_A_DB_VALUE ******************************/

int is_a_dB_value(char *str)
{
    int decimal_point_cnt = 0;
    int has_digits = FALSE;
    double val;
    char *p, *end_of_number;
    //p = str + strlen(str) - 2;
    // RWD debug test - avoid valgrind complaints
    if(strlen(str) < 3)
        return FALSE;
        
    p = str + strlen(str) - 2;
    
    if(strcmp(p,"dB") && strcmp(p,"DB") && strcmp(p,"db"))
        return(FALSE);
    if(p==str)
        return(FALSE);
    end_of_number = p;
    p = str;
    switch(*p) {
    case('-'):                      break;
    case('.'): decimal_point_cnt=1; break;
    default:
        if(!isdigit(*p))
            return(FALSE);
        has_digits = TRUE;
        break;
    }
    p++;        
    while(p!=end_of_number) {
        if(isdigit(*p))
            has_digits = TRUE;
        else if(*p == '.') {
            if(++decimal_point_cnt>1)
                return(FALSE);
        } else
            return(FALSE);
        p++;
    }
    if(!has_digits || sscanf(str,"%lf",&val)!=1)
        return(FALSE);
    return(TRUE);
}

/**************************** GET_LEVELDB_FRAME ********************************/

int get_leveldb_frame(char *str,double *val)
{
    int is_neg = 0;
    if(sscanf(str,"%lf",val)!=1)
        return(FALSE);
    *val = max(*val,MIN_DB_ON_16_BIT);
    if(flteq(*val,0.0)) {
        *val = 1.0;
        return(TRUE);
    }
    if(*val<0.0) {
        *val = -(*val);
        is_neg = 1;
    }
    *val /= 20.0;
    *val = pow(10.0,*val);
    if(is_neg)
        *val = 1.0/(*val);
    return(TRUE);
}

/***************************** IS_A_VALID_SNDFILE_FOR_MIXFILE **************************/

int is_a_valid_sndfile_for_mixfile
(char *filename,char *sndfilename,int *srate,int chans,int linecnt,infileptr inputfile,double time,double *dur,int multichan)
{
    int exit_status;
    /*int minsize = 0L;*/
    double thisdur;
    int ifd;
    double maxamp, maxloc;
    int maxrep;
#ifdef IS_CDPARSE
    int getmaxinfo = 1;
#else
    int getmaxinfo = 0;
#endif
    char *p = strrchr(sndfilename, '.');
    if(p == NULL) {
#ifndef IS_CDPARSE
        fprintf(stdout,"WARNING: If %s is a mixfile: uses %s which has no sndfile extension\n",filename,sndfilename);
        fflush(stdout);
        return(FALSE);
#endif
    }
    p++;
#ifdef NOTDEF
    /*RWD 4:2002 this is silly! sfsys accepts aiff files, so cdparse certainly can! */
// APRIL 2010
//  if(_stricmp(p,(getenv("CDP_SOUND_EXT")))) {
    if(_stricmp(p,".wav") || _stricmp(p,".aiff")) {
#ifndef IS_CDPARSE
// APRIL 2010
//      fprintf(stdout,"WARNING: If %s is a mixfile: uses %s which has an invalid sndfile extension :  %s is not %s\n",filename,sndfilename,p,getenv("CDP_SOUND_EXT"));
        fprintf(stdout,"WARNING: If %s is a mixfile: uses %s which has an invalid sndfile extension :  %s is not '.wav' or '.aiff'\n",filename,sndfilename,p);
        fflush(stdout);
        return(FALSE);
#endif
    }
#endif
    if((ifd = sndopenEx(sndfilename,0,CDP_OPEN_RDONLY)) < 0) {
#ifndef IS_CDPARSE
        fprintf(stdout,"WARNING: If %s is a mixfile: uses %s which is not a sndfile\n",filename,sndfilename);
        fflush(stdout);
#endif
        return(FALSE);
    }
    if((exit_status = readhead(inputfile,ifd,sndfilename,&maxamp,&maxloc,&maxrep,0,getmaxinfo))<0) {     /* READ THE FILE HEADER */
        if(sndcloseEx(ifd)<0)
            sprintf(errstr,"Failed to close file %s when checking file %s\n",sndfilename,filename);
        return(exit_status);
    }
    exit_status = TRUE;
    if(inputfile->filetype!=SNDFILE) {
#ifndef IS_CDPARSE
        fprintf(stdout,"WARNING: If %s is a mixfile: uses %s which is not a sndfile\n",filename,sndfilename);
        fflush(stdout);
#endif
        exit_status=FALSE;
    } else if(inputfile->channels != chans) {
#ifndef IS_CDPARSE
        if(chans==MONO)
            fprintf(stdout,"WARNING: If %s is a mixfile: %s is not a mono sndfile\n",filename,sndfilename);
        else if(chans==STEREO)      /*RWD 4:2001 added test */
            fprintf(stdout,"WARNING: If %s is a mixfile: %s is not a stereo sndfile\n",filename,sndfilename);
//OCT 2005
        else 
            fprintf(stdout,"WARNING: If %s is a mixfile: %s has different no. of chans (%d) to that indicated in mixfile line (%d)\n",
            filename,sndfilename,inputfile->channels,chans);
        fflush(stdout);
#endif
        exit_status=FALSE;

    } else if((inputfile->insams = sndsizeEx(ifd))<0) {                 /* FIND SIZE OF FILE */
        sprintf(errstr, "Can't read size of input file %s: used in file %s\n",sndfilename,filename);
        exit_status=PROGRAM_ERROR;
    } else if(inputfile->insams <= 0L) {
#ifndef IS_CDPARSE
        fprintf(stdout,"WARNING: If %s is a mixfile: file %s contains no data.\n",filename,sndfilename);
        fflush(stdout);
#endif
        exit_status=FALSE;
    } else if (linecnt==multichan) {
        *srate = inputfile->srate;
    } else if(inputfile->srate != *srate) {
#ifndef IS_CDPARSE
        fprintf(stdout,"WARNING: If %s is a mixfile: Incompatible sample-rate in file %s\n",filename,sndfilename);
        fflush(stdout);
#endif
        exit_status=FALSE;
    }
#ifdef NOTDEF           /* RWD 4:2001 */
    switch(inputfile->filetype) {
    case(SNDFILE):      inputfile->insams = inputfile->infilesize/sizeof(short);    break;
    case(FLT_SNDFILE):  inputfile->insams = inputfile->infilesize/sizeof(float);    break;
    }
#endif
#ifdef _DEBUG
    assert(inputfile->insams > 0);
#endif
    thisdur = time + (inputfile->insams/inputfile->channels/(double)inputfile->srate);
    *dur = max(*dur,thisdur);

//  inputfile->infilesize   = 0;
    inputfile->insams       = 0;
    inputfile->filetype     = 0;
    inputfile->srate        = 0;
    inputfile->channels     = 0;
    inputfile->stype        = 0;
    if(sndcloseEx(ifd)<0) {
        sprintf(errstr,"Failed to close file %s while checking file %s\n",sndfilename,filename);
        exit_status=SYSTEM_ERROR;
    }
    return(exit_status);
}

/*************************** CHECK_FOR_BRKLIST_AND_STORE_NUMBERS ***********************/

int check_for_brklist_and_count_numbers
(char **wordstor,int *wordcnt,int linecnt,int *brklist,infileptr inputfile,char *filename)
{
    double p, lasttime = 0.0;
    int istime = TRUE;
    int lineno, word_in_line, dcount = 0, k = 0;
    for(lineno=0;lineno<linecnt;lineno++) {
        for(word_in_line = 0;word_in_line < wordcnt[lineno];word_in_line++) {
            if(sscanf(wordstor[k],"%lf",&p)!=1) {
                sprintf(errstr,"scan anomaly: check_for_brklist_and_count_numbers()\n");
                return(PROGRAM_ERROR);
            }
            if(istime) {
                if(*brklist==POSSIBLE) {
                    if(k==0) {
                        if(p < 0.0)
                            *brklist = FALSE;
                    } else if(p <= lasttime)
                        *brklist = FALSE;
                    lasttime = p;
                }
                if(k==0) {
                    inputfile->maxnum = p;
                    inputfile->minnum = p;
                } else {
                    inputfile->maxnum = max(p,inputfile->maxnum);
                    inputfile->minnum = min(p,inputfile->minnum);
                }
            } else {
                if(k==1) {
                    inputfile->maxbrk = p;
                    inputfile->minbrk = p;
                } else {
                    inputfile->maxbrk = max(p,inputfile->maxbrk);
                    inputfile->minbrk = min(p,inputfile->minbrk);
                }                               
                inputfile->maxnum = max(p,inputfile->maxnum);
                inputfile->minnum = min(p,inputfile->minnum);
            }
            istime = !istime;
            k++;
        }
    }       
    if(k == 0) {
        sprintf(errstr,"No numeric data found in file %s\n",filename);
        return(DATA_ERROR);
    }
    if(*brklist==POSSIBLE) {
        if(k < 4)               /*  Must be at least 2 point in a brkfile */
            *brklist = FALSE;
    }
    if(*brklist==POSSIBLE) {
        if(((dcount = k/2) * 2) != k)
            *brklist = FALSE;
    }
    if(*brklist==POSSIBLE) {
        inputfile->brksize  = dcount;
        inputfile->duration = lasttime;
    }
    else
        inputfile->brksize = 0;
    inputfile->numsize = k;
    return(FINISHED);
}

/*************************** CHECK_FOR_A_LINELIST ***********************/

#define OTHER       (0)
#define NUMERICAL   (1)
#define DBLIKE      (2)

int check_for_a_linelist(int line_word_cnt,int *linelist,char **wordstor,infileptr inputfile)
{
    int linecnt = 0, n, m;
    int  total_wordcnt = 0;
//TW AGREED REMOVAL of 'OK'
    int  k;
    double val;
    char *wordtype[2], *p;
    if((wordtype[0] = (char *)malloc(line_word_cnt * sizeof(char)))==NULL) {
        sprintf(errstr,"INSUFFICIENT MEMORY for wordtype[0]\n");
        return(MEMORY_ERROR);
    }
    if((wordtype[1] = (char *)malloc(line_word_cnt * sizeof(char)))==NULL) {
        sprintf(errstr,"INSUFFICIENT MEMORY for wordtype[1]\n");
        free(wordtype[0]);
        return(MEMORY_ERROR);
    }
    for(n=0;n<inputfile->linecnt;n++) {
        if(n==0)    k = 0;
        else        k = 1;
        for(m=0;m<line_word_cnt;m++) {
            p = wordstor[total_wordcnt];
            if(is_a_dB_value(wordstor[total_wordcnt]))
                wordtype[k][m] = (char)DBLIKE;
            else if(get_float_from_within_string(&p,&val))
                wordtype[k][m] = (char)NUMERICAL;
            else
                wordtype[k][m] = (char)OTHER;
            total_wordcnt++;
        }
        if(linecnt>0) {
            for(m=0;m<line_word_cnt;m++) {
                if(wordtype[0][m] != wordtype[1][m]) {
                    *linelist = FALSE;
                    break;
                }
            }
        }
        if(!(*linelist))
            break;
        linecnt++;
    }           
    free(wordtype[0]);
    free(wordtype[1]);
    return(FINISHED);
}

/***************************** CHECK_FOR_SNDLIST **************************/

int check_for_sndlist(char **wordstor,int *wordcnt,int linecnt,int *sndlist)
{
    char *filename;
    int ifd;
    int k = 0, lineno, word_in_line;

    SFPROPS props = {0};

    for(lineno=0;lineno<linecnt;lineno++) {
        for(word_in_line=0;word_in_line<wordcnt[lineno];word_in_line++) {
            filename = wordstor[k];
            if((ifd = sndopenEx(filename,0,CDP_OPEN_RDONLY)) < 0) {
                *sndlist = FALSE;       
                return(FINISHED);
            } 
            //RWD added 9.98
/* TEST THIS !!! */
            if(!snd_headread(ifd,&props)){
                sprintf(errstr,"Cannot read soundfile header: %s\n",filename);
                sndcloseEx(ifd);
                return(SYSTEM_ERROR);
            }
            if(!(props.type==wt_wave)){
                *sndlist = FALSE;
                sprintf(errstr,"soundfile %s is not a wave file\n",filename);
                sndcloseEx(ifd);
                return FINISHED;
            }
            if(sndcloseEx(ifd)<0) {
                sprintf(errstr,"Cannot close sndfile %s: check_for_sndlist()\n",filename);
                return(SYSTEM_ERROR);
            }

            k++;
        }
    }
    return(FINISHED);
}

/***************************** STORE_WORDLIST_WITHOUT_COMMENTS **************************/

int store_wordlist_without_comments(FILE *fp,char *temp,int total_wordcnt,char **wordstor,int *wordcnt,infileptr inputfile)
{
    char *p , *q;
    int this_wordcnt = 0;
    int wordcnt_in_line;
    int linecnt = 0;
    while(fgets(temp,/*2000*/LOCALMEMBYTES,fp)!=NULL) {
        p = temp;
        if(is_an_empty_line_or_a_comment(p))
            continue;
        wordcnt_in_line = 0;
        while(get_word_from_string(&p,&q)) {
            if((wordstor[this_wordcnt] = (char *)malloc((strlen(q) + 1) * sizeof(char)))==NULL) {
                sprintf(errstr,"INSUFFICIENT MEMORY for word %d\n",this_wordcnt+1);
                return(MEMORY_ERROR);
            }
            strcpy(wordstor[this_wordcnt],q);
            if(++this_wordcnt > total_wordcnt) {
                sprintf(errstr,"Error in word accounting: store_wordlist_without_comments()\n");
                return(PROGRAM_ERROR);
            }
            wordcnt_in_line++;
        }
        wordcnt[linecnt] = wordcnt_in_line;
        linecnt++;
    }
    inputfile->linecnt = linecnt;
    return(FINISHED);
}

/***************************** ASSIGN_TYPE **************************/

//TW REMOVED OLD COMMENT LINES
int assign_type(int sndlist,int numlist,int brklist,int mixlist,int synclist,int linelist,int extended_brkfile,infileptr inputfile)
{
//TW AGREED WARNING SHOULD BE MOVED
    if(sndlist==POSSIBLE) {
        if(synclist==POSSIBLE) {
            if(linelist==POSSIBLE)
                return SNDLIST_OR_SYNCLIST_LINELIST_OR_WORDLIST;
            else
                return SNDLIST_OR_SYNCLIST_OR_WORDLIST;
        } else {
            if(linelist==POSSIBLE)
                return SNDLIST_OR_LINELIST_OR_WORDLIST;
            else
                return SNDLIST_OR_WORDLIST;
        }
    } else if(numlist==POSSIBLE) {
        if(brklist==POSSIBLE)
            return assign_brkfile_type(inputfile,linelist);
        else {
            if(linelist==POSSIBLE)
                return NUMLIST_OR_LINELIST_OR_WORDLIST;
            else
                return NUMLIST_OR_WORDLIST;
        }
    } else if(mixlist==POSSIBLE) {
        if(linelist==POSSIBLE)
            return MIXLIST_OR_LINELIST_OR_WORDLIST;
        else
            return MIXLIST_OR_WORDLIST;
    } else if(synclist==POSSIBLE) {
        if(linelist==POSSIBLE)
            return SYNCLIST_OR_LINELIST_OR_WORDLIST;
        else
            return SYNCLIST_OR_WORDLIST;
    } else if(linelist==POSSIBLE)
        return LINELIST_OR_WORDLIST;
    //RWD.8.98 do this test here!
    if(extended_brkfile==POSSIBLE) {        
        fprintf(stderr,"WARNING:Extended format brkfiles not yet supported by commandline programs.\n");    
    }
    return WORDLIST;
}

/****************************************** CHECK_FOR_A_SYNCLIST ****************************************/

int check_for_a_synclist(int *synclist,char **wordstor,int *wordcnt,infileptr inputfile,char *filename)
{
    int  exit_status;
    int n;
    int total_words = 0;
    int srate = 0;
    double starttime, endtime;
    for(n=0;n<inputfile->linecnt;n++) {  /* Must be 1 or 3 words on each line */
        if(wordcnt[n]!=1 && wordcnt[n]!=3) {
            *synclist = FALSE;
            return(FINISHED);
        }
    }
    for(n=0;n<inputfile->linecnt;n++) { /* Every line must start with a sndfilename */
        if((exit_status = is_a_valid_sndfile_for_sync(filename,wordstor[total_words],&srate,n,inputfile))<0)
            return(exit_status);
        if(exit_status == FALSE) {
            *synclist = FALSE;
            return(FINISHED);
        }
        total_words += wordcnt[n];
    }
    total_words = 0;
    for(n=0;n<inputfile->linecnt;n++) { /* Any other values must be numbers */
        if(wordcnt[n] > 1) {
            if(sscanf(wordstor[total_words+1],"%lf\n",&starttime)!=1) {
                *synclist = FALSE;
                return(FINISHED);
            }
            else if(sscanf(wordstor[total_words+2],"%lf\n",&endtime)!=1) {
                *synclist = FALSE;
                return(FINISHED);
            } else if(starttime <  0.0 || endtime < 0.0) {
#ifndef IS_CDPARSE
                fprintf(stdout,"WARNING: If %s is a synclist, it contains negative times\n",filename);
                fflush(stdout);
#endif
                *synclist = FALSE;
                return(FINISHED);
            } else if(starttime >  endtime) {
#ifndef IS_CDPARSE
                fprintf(stdout,"WARNING: If %s is a synclist, starttime > endtime in line %d\n",filename,n+1);
                fflush(stdout);
#endif
                *synclist = FALSE;
                return(FINISHED);
            }               
        }
        total_words += wordcnt[n];
    }

#ifdef NO_DUPLICATE_SNDFILES
#ifdef CDPARSE
    if(duplicated_filenames(inputfile->linecnt,wordstor,wordcnt))
#else
    if(duplicated_filenames(inputfile->linecnt,wordstor,wordcnt,filename))
#endif
        return(FALSE);
#endif
    inputfile->srate = srate;
    return(FINISHED);
}

/***************************** IS_A_VALID_SNDFILE_FOR_SYNC **************************/

int is_a_valid_sndfile_for_sync(char *filename,char *sndfilename,int *srate,int linecnt,infileptr inputfile)
{
    int exit_status;
//TW AGREED REMOVAL minsize
    int ifd;
    double maxamp, maxloc;
    int maxrep;
#ifdef IS_CDPARSE
    int getmaxinfo = 1;
#else
    int getmaxinfo = 0;
#endif
    if((ifd = sndopenEx(sndfilename,0,CDP_OPEN_RDONLY)) < 0)
        return(FALSE);
    if((exit_status = readhead(inputfile,ifd,sndfilename,&maxamp,&maxloc,&maxrep,0,getmaxinfo))<0) {    /* READ THE FILE HEADER */
        if(sndcloseEx(ifd)<0) {
            sprintf(errstr,"Failed to close sndfile %s while checking file %s\n",sndfilename,filename);
            exit_status = SYSTEM_ERROR;
        }
        return(exit_status);
    }
    exit_status = TRUE;

    if(inputfile->filetype!=SNDFILE) {
#ifndef IS_CDPARSE
        fprintf(stdout,"WARNING: If %s is a syncfile: %s is not a sndfile.\n",filename,sndfilename);
        fflush(stdout);
#endif
        exit_status=FALSE;
    } else if((inputfile->insams = sndsizeEx(ifd))<0) {                 /* FIND SIZE OF FILE */
        sprintf(errstr, "Can't read size of input file %s: while checking file %s\n",sndfilename,filename);
        exit_status = SYSTEM_ERROR;         /*RWD 4.2001 was PROGRAM_ERROR */
    } else if(inputfile->insams == 0L)      /*RWD 4.2001 was <= */
        exit_status=FALSE;
    else if (linecnt==0)
        *srate = inputfile->srate;
    else if(inputfile->srate != *srate) {
#ifndef IS_CDPARSE
        fprintf(stdout,"WARNING: If %s is a syncfile: Incompatible sample-rate in file %s\n",filename,sndfilename);
        fflush(stdout);
#endif
        exit_status=FALSE;
    }
//  inputfile->infilesize   = 0;
    inputfile->insams       = 0;
    inputfile->filetype     = 0;
    inputfile->srate        = 0;
    inputfile->channels     = 0;
    inputfile->stype        = 0;
    if(sndcloseEx(ifd)<0) {
        sprintf(errstr,"Failed to close sndfile %s while testing file %s\n",sndfilename,filename);
        return(SYSTEM_ERROR);
    }
    return(exit_status);
}

/***************************** SET_SNDLIST_FLAGS **************************/

int set_sndlist_flags(infileptr inputfile,char **wordstor)
{
    int  exit_status;
    int srate = 0, wordcnt, m;
    char *filename;
    int  ifd;
    double maxamp, maxloc;
    int maxrep;
#ifdef IS_CDPARSE
    int getmaxinfo = 1;
#else
    int getmaxinfo = 0;
#endif
    for(wordcnt=0;wordcnt<inputfile->all_words;wordcnt++) {
        filename = wordstor[wordcnt]; 
        if(inputfile->different_srates == FALSE) {
            if((ifd = sndopenEx(filename,0,CDP_OPEN_RDONLY)) < 0) {
#ifdef _DEBUG
                sprintf(errstr,"Anomaly reopening sndfile %s: set_sndfilelist_flags()\n",filename);
#else
                sprintf(errstr,"Anomaly reopening sndfile %s: %s\n",filename,rsferrstr);
#endif
                return(SYSTEM_ERROR);
            }
            if((exit_status = readhead(inputfile,ifd,filename,&maxamp,&maxloc,&maxrep,0,getmaxinfo))<0) {   /* READ THE FILE HEADER */
                sprintf(errstr,"Anomaly Rereading header of sndfile %s: set_sndfilelist_flags()\n",filename);
                if(sndcloseEx(ifd) < 0)
                    sprintf(errstr, "Can't close soundfile %s: set_sndlist_flags()\n",filename);
                return(SYSTEM_ERROR);
            }
            if(wordcnt==0)
                srate = inputfile->srate;
            else if(inputfile->srate != srate) {
                inputfile->different_srates = TRUE;
                inputfile->srate             = 0;
            }
//          inputfile->infilesize   = 0;
            inputfile->insams       = 0;
            inputfile->filetype     = 0;
            inputfile->channels     = 0;
            inputfile->stype        = 0;
            if(sndcloseEx(ifd) < 0) {
                sprintf(errstr, "Can't close soundfile %s: set_sndlist_flags()\n",filename);
                return(SYSTEM_ERROR);
            }
        }
    }
    for(wordcnt=0;wordcnt<inputfile->all_words;wordcnt++) {
        for(m=wordcnt+1;m<inputfile->all_words;m++) {
            if(!strcmp(wordstor[wordcnt],wordstor[m])) {
                inputfile->duplicate_snds = TRUE;
                break;
            }
        }
        if(inputfile->duplicate_snds)
            break;
    }
    return(FINISHED);
}

/****************************************** ASSIGN_BRKFILE_TYPE ****************************************/

int assign_brkfile_type(infileptr inputfile,int linelist)
{
    int normalised_brkfile = FALSE;
    int dB_brkfile         = FALSE;
    int pitch_brkfile      = FALSE;
    int transpos_brkfile   = FALSE;
    int positive_brkfile   = FALSE;

    if(inputfile->minbrk >= 0.0)
        positive_brkfile = TRUE;
    if(inputfile->maxbrk <= 1.0 && inputfile->minbrk >= 0.0)
        normalised_brkfile = TRUE;
    else if (inputfile->maxbrk <= DEFAULT_NYQUIST && inputfile->minbrk >= -1.0) {
        inputfile->could_be_pitch = TRUE;
        pitch_brkfile = TRUE;
    }
    if(inputfile->maxbrk <= 0.0 && inputfile->minbrk >= MIN_DB_ON_16_BIT)
        dB_brkfile = TRUE;
    if(inputfile->maxbrk <= MAX_TRANSPOS && inputfile->minbrk >= MIN_TRANSPOS) {
        inputfile->could_be_transpos = TRUE;
        transpos_brkfile = TRUE;
    }

    if(transpos_brkfile) {
        if(normalised_brkfile) {
            if(linelist==POSSIBLE)
                return TRANSPOS_OR_NORMD_BRKFILE_OR_NUMLIST_OR_LINELIST_OR_WORDLIST;
            else
                return TRANSPOS_OR_NORMD_BRKFILE_OR_NUMLIST_OR_WORDLIST;
        } else if(pitch_brkfile) {
            if(linelist==POSSIBLE)
                return TRANSPOS_OR_PITCH_BRKFILE_OR_NUMLIST_OR_LINELIST_OR_WORDLIST;
            else
                return TRANSPOS_OR_PITCH_BRKFILE_OR_NUMLIST_OR_WORDLIST;
        } else {
            if(linelist==POSSIBLE)
                return TRANSPOS_OR_UNRANGED_BRKFILE_OR_NUMLIST_OR_LINELIST_OR_WORDLIST;
            else
                return TRANSPOS_OR_UNRANGED_BRKFILE_OR_NUMLIST_OR_WORDLIST;
        }   
    } else {
        if(normalised_brkfile) {
            if(linelist==POSSIBLE)
                return NORMD_BRKFILE_OR_NUMLIST_OR_LINELIST_OR_WORDLIST;
            else
                return NORMD_BRKFILE_OR_NUMLIST_OR_WORDLIST;
        } else if(dB_brkfile) {
            if(linelist==POSSIBLE)
                return DB_BRKFILE_OR_NUMLIST_OR_LINELIST_OR_WORDLIST;
            else
                return DB_BRKFILE_OR_NUMLIST_OR_WORDLIST;
        } else if(pitch_brkfile) {
            if(linelist==POSSIBLE) {
                if(positive_brkfile)
                    return PITCH_POSITIVE_BRKFILE_OR_NUMLIST_OR_LINELIST_OR_WORDLIST;
                else
                    return PITCH_BRKFILE_OR_NUMLIST_OR_LINELIST_OR_WORDLIST;
            } else {
                if(positive_brkfile)
                    return PITCH_POSITIVE_BRKFILE_OR_NUMLIST_OR_WORDLIST;
                else
                    return PITCH_BRKFILE_OR_NUMLIST_OR_WORDLIST;
            }
        } else if(positive_brkfile) {
            if(linelist==POSSIBLE)
                return POSITIVE_BRKFILE_OR_NUMLIST_OR_LINELIST_OR_WORDLIST;
            else
                return POSITIVE_BRKFILE_OR_NUMLIST_OR_WORDLIST;
        } else {
            if(linelist==POSSIBLE)
                return UNRANGED_BRKFILE_OR_NUMLIST_OR_LINELIST_OR_WORDLIST;
            else
                return UNRANGED_BRKFILE_OR_NUMLIST_OR_WORDLIST;
        }   
    }
}

#define MIN_BRKSLOPE    (1.0)
#define MAX_BRKSLOPE    (6.0)

/************************************ CHECK_FOR_AN_EXTENDED_BRKFILE *********************************/

int check_for_an_extended_brkfile
(int *extended_brkfile,char **wordstor,int *wordcnt,int linecnt,int total_words,infileptr inputfile)
{
    int wordno = 0, lineno;
    int is_extended_format = FALSE;
    double lasttime = -1.0, time, val;
    double maxval = -(double)(MAXRANGE+1);
    double minval = (double)(MAXRANGE+1);
    if(wordcnt[0]!=2) {
        *extended_brkfile = FALSE;
        return(FINISHED);
    }
    if(!extract_value_pair(&wordno,&time,&val,&maxval,&minval,&lasttime,wordstor)) {
        *extended_brkfile = FALSE;
        return(FINISHED);
    }
    if(time!=0.0) {
        *extended_brkfile = FALSE;
        return(FINISHED);
    }
    for(lineno=1;lineno<linecnt;lineno++) {
        if(wordno+2 > total_words) {
            *extended_brkfile = FALSE;
            return(FINISHED);
        } 
        if(wordcnt[lineno]<2 || wordcnt[lineno]>4) {
            *extended_brkfile = FALSE;
            return(FINISHED);
        }
        if(!extract_value_pair(&wordno,&time,&val,&maxval,&minval,&lasttime,wordstor)) {
            *extended_brkfile = FALSE;
            return(FINISHED);
        }
        if(wordcnt[lineno]>2) {
            if(wordno >=total_words) {
                sprintf(errstr,"Failure in word-counting logic 2: check_for_an_extended_brkfile()\n");
                return(PROGRAM_ERROR);
            } 
            utol(wordstor[wordno]);
            if(strcmp(wordstor[wordno],"lin") 
            && strcmp(wordstor[wordno],"exp") 
            && strcmp(wordstor[wordno],"log")) {
                *extended_brkfile = FALSE;
                return(FINISHED);
            }
            wordno++;
            is_extended_format = TRUE;
        }
        if(wordcnt[lineno]>3) {
            if(wordno >=total_words) {
                sprintf(errstr,"Failure in word-counting logic 3: check_for_an_extended_brkfile()\n");
                return(PROGRAM_ERROR);
            } 
            if(sscanf(wordstor[wordno],"%lf",&val)!=1
            || val < MIN_BRKSLOPE || val > MAX_BRKSLOPE) {
                *extended_brkfile = FALSE;
                return(FINISHED);
            }
            wordno++;
        }
    }
    if(is_extended_format) {
        inputfile->maxbrk = maxval;
        inputfile->minbrk = minval;
    } else
        *extended_brkfile = FALSE;
    return(FINISHED);
}

/****************************************** EXTRACT_VALUE_PAIR ****************************************/

int extract_value_pair(int *n,double *time, double *val,double *maxval,double *minval, double *lasttime, char **wordstor)
{
    if(sscanf(wordstor[*n],"%lf",time)!=1 || sscanf(wordstor[(*n)+1],"%lf",val)!=1)
        return(FALSE);
//TW
//  if(*time <= *lasttime || *val > (double)MAXSAMP || *val < -(double)MAXSAMP)
    if(*time <= *lasttime || *val > (double)MAXRANGE || *val < -(double)MAXRANGE)
        return(FALSE);
    *lasttime = *time;
    *n += 2;
    *maxval = max(*maxval,*val);
    *minval = min(*minval,*val);
    return(TRUE);
}

/****************************************** UTOL ****************************************/

#define UPPER_TO_LOWER_CASE (32)

void utol(char *str)
{
    int n, k = (int) strlen(str);
    for(n=0;n<k;n++) {
        if(str[n] >= 'A' && str[n] <= 'Z')
            str[n] += UPPER_TO_LOWER_CASE;
    }
}
            
/* NEW CODE : June 1st : 2000 */

/****************************************** MAXSAMP ****************************************/
//TW Rewritten: floating point data only is retained:
//This version cannot write maxsamp info to header
void maxsamp(int ifd,double *maxamp,double *maxloc,int *maxrep)
{
    int got, totalsamps = 0, samps, i /*, maxxloc*/;
    double maxdamp = 0.0;
    float *bigbuf, *fbuf;
    int repeats = 0;            /* counts how many times the max repeats    */
    size_t bufsize;

    *maxrep = -1;   /* flags that maxamp and maxloc are not found */
    *maxamp = 0.0;
    *maxloc = 0.0;

 //   if((bufsize =(int) (long)Malloc(-1)) < sizeof(float))
    if ((bufsize = (size_t) Malloc(-1)) < sizeof(float))
        return;
    /*bufsize = (bufsize/SECSIZE)*SECSIZE;  */  /* round to sector boundary */
    bufsize /= sizeof(float);
    if((bigbuf = (float *)malloc(bufsize * sizeof(float)))==NULL)
        return;
    fbuf = (float *)bigbuf;

    while((got = fgetfbufEx(bigbuf,(int) bufsize,ifd,0)) > 0 ) {
        samps      = got;
        for( i=0 ; i<samps ; i++ ) {
            if(smpflteq(fbuf[i],maxdamp) || smpflteq(-fbuf[i],maxdamp))
                repeats++;
            else if(fbuf[i] >= 0.0) {
                if(fbuf[i] > maxdamp) {
                    maxdamp = fbuf[i];
                    *maxloc = (double)(totalsamps + i);
                    repeats = 1;
                }
            } else {
                if (-fbuf[i] > maxdamp) {
                    maxdamp = -fbuf[i];
                    *maxloc = (double)(totalsamps + i);
                    repeats = 1;
                }
            }
        }
        totalsamps += got;
    } 
    if( got < 0 ) {
        free(bigbuf);
        return;
    }
    if(totalsamps > 0) {
        if(repeats <= 0) {
            Mfree(bigbuf);
            return;
        }
        *maxamp = maxdamp;          /* return info to SoundLoom */
//      maxxloc = (int)round(*maxloc); /*RWD NB: NOTUSED */
        *maxrep = repeats;
    }
    Mfree(bigbuf);
}

/************************************** DO_EXIT ************************************/

int do_exit(int exit_status) {
#ifdef IS_CDPARSE
    if(exit_status == DATA_ERROR)
        fprintf(stdout,"WARNING: %s",errstr);   /* Sound Loom responds to message headers */ 
    else                                        /* and differently to different message headers */
        fprintf(stdout,"ERROR: %s",errstr);     /* but ignores the return value */
    fflush(stdout);                             
#endif
    return(exit_status);                        /* cmdline responds to value of 'exit_status' */
}


/***************************** PARSE_A_TEXTFILE *****************************/

int parse_a_textfile(char *filename,infileptr inputfile)  
{
    int exit_status;
    FILE *fp;

    if((fp = fopen(filename,"r"))==NULL) {                              
        sprintf(errstr, "Can't open file %s to read data.\n",filename);
        exit_status = DATA_ERROR;
        return do_exit(exit_status);
    }
    if(file_has_reserved_extension(filename)) {
        sprintf(errstr, "File %s either has unredable header, or is a textfile with a CDP reserved extension.\n",filename);
//TW ADDED: ESSENTIAL TO CLOSE FILE or NOTIFY SOUND LOOM OF FAILURE TO CLOSE: for Sound Loom INTEGRITY
        if(fclose(fp)<0) {
            sprintf(errstr, "Failed to close file %s\n",filename);
            exit_status = SYSTEM_ERROR;
            return do_exit(exit_status);
        }
        exit_status = DATA_ERROR;
        return do_exit(exit_status);
    }
    if((exit_status = megaparsec(filename,fp,inputfile))<0) {               
        if(fclose(fp)<0) {
            sprintf(errstr, "Failed to close file %s\n",filename);
            exit_status = SYSTEM_ERROR;
        }
        return do_exit(exit_status);
    }
    if(fclose(fp)<0) {
        sprintf(errstr, "Failed to close file %s\n",filename);
        exit_status = SYSTEM_ERROR;
        return do_exit(exit_status);
    }
    return FINISHED;
}

/**************************** IS_A_POSSIBLE_MULTICHANNEL_MIXFILE ********************************/

int is_a_possible_multichannel_mixfile
(int numlist,int brklist,int sndlist,int linecnt,char **wordstor,int *wordcnt,char *mixfilename,infileptr inputfile)
{
    int exit_status;
    int total_words = 0;
    int srate = 0;
    double dur = 0.0, time;
    int n, chans, maxoutchan = 0;
    char *filename, *p, *q;
    if(numlist == POSSIBLE || brklist == POSSIBLE || sndlist == POSSIBLE)
        return -1;
    if(wordcnt[0] != 1)                             /* 1st mixfile line shouldv be = outchannels */
        return -1;
    p = wordstor[0];
    q = p + strlen(wordstor[0]);
    while(p < q) {
        if(!isdigit(*p))
            return -1;
        p++;
    }
    maxoutchan = atoi(wordstor[0]);
    if(maxoutchan < 1 || maxoutchan > MAX_OUTCHAN)
        return -1;
    total_words++;
    for(n=1;n<linecnt;n++) {                        /* for each mixfile line */
        filename = wordstor[total_words];           /* get the filename */

        if(strlen(filename)<=0)
            return -1;
        if((exit_status = get_multichan_mixdata_in_line(wordcnt[n],wordstor,total_words,&time,&chans,maxoutchan))<0)
            return(exit_status);
        total_words += wordcnt[n];
        if((exit_status = is_a_valid_sndfile_for_mixfile(mixfilename,filename,&srate,chans,n,inputfile,time,&dur,1))<=0)
            return -1;
    }
    inputfile->srate     = srate;
    inputfile->linecnt   = linecnt;
    inputfile->duration  = dur;
    inputfile->out_chans = maxoutchan;
    inputfile->all_words = total_words;
    return FINISHED;
}
    
/**************************** GET_MULTICHAN_MIXDATA_IN_LINE ********************************/

int get_multichan_mixdata_in_line(int wordcnt,char **wordstor,int total_words,double *time,int *chans,int maxoutchan)
{
    int here, is_level, inchan = 0, outchan;
    int got_colon;
    char *p;
    char *q, *z = NULL;
    double level;
    int entrycnt = 0;
    if((wordcnt <= 3) || EVEN(wordcnt))
        return -1;
    if(sscanf(wordstor[total_words+1],"%lf",time)!=1
    || sscanf(wordstor[total_words+2],"%d",chans)!=1)
        return -1;
    here = total_words+3;
    is_level = 0;
    while(here < total_words + wordcnt) {
        if(entrycnt >= 256)
            return -1;
        if(is_level) {
            if(is_dB(wordstor[here])) {
                if(!get_leveldb(wordstor[here],&level))
                    return -1;
            } else if(!(IsNumeric(wordstor[here])))
                return -1;
            else if(sscanf(wordstor[here],"%lf",&level)!=1)
                return -1;
        } else {
            if(strlen(wordstor[here]) < 3)
                return -1;
            p = wordstor[here];
            q = p + strlen(wordstor[here]);
            got_colon = 0;
            while(p < q) {
                if(!isdigit(*p)) {
                    if(p == wordstor[here])
                        return -1;
                    else if(got_colon)
                        return -1;
                    else if(*p != ':')
                        return -1;
                    else {
                        *p = ENDOFSTR;
                        inchan = atoi(wordstor[here]);
                        *p = ':';
                        z = p+1;
                        got_colon = 1;
                    }
                }
                p++;
            }
            if(!got_colon || z == p)
                return -1;
            outchan = atoi(z);
            if(inchan > *chans || inchan <= 0)
                return -1;
            if(outchan > maxoutchan)
                return -1;
// END OF NEW CODE 2007
        }
        if(is_level)
            entrycnt++;
        is_level = !is_level;
        here++;
    }
    return(FINISHED);
}

/*************************** ISNUMERIC **************************/

int IsNumeric(char *str)
{
    char *p;
    int got_point = 0;
    p = str;
    while(*p != ENDOFSTR) {
        if(isdigit(*p))
            p++;
        else if(*p == '.') {
            if(got_point)
                return 0;
            got_point = 1;
            p++;
        } else 
            return 0;
    }
    if(p == str)
        return 0;
    return 1;
}