/*	cdparams_other() AND tkusage_other() NEED TO BE UPDATED
 *	standalone.h NEEDS TO BE UPDATED
 *	gobo AND gobosee NEED TO BE UPDATED
 */
#include <stdio.h>
#include <stdlib.h>
#include <structures.h>
#include <standalone.h>
#include <tkglobals.h>
#include <blur.h>
#include <filetype.h>
#include <modeno.h>
//#include <formants.h>
#include <cdpmain.h>
//#include <special.h>
#include <logic.h>
#include <globcon.h>
#include <cdpmain.h>
#include <sfsys.h>
#include <ctype.h>
#include <string.h>
#include <science.h>
#include <sfsys.h>

#ifdef unix
#define round lround
#endif

char errstr[2400];
const char* cdp_version = "6.0.2";

/* extern */ int sloom = 0;
/* extern */ int	sloombatch = 0;
/* extern */ int anal_infiles = 1;
/* extern */ int is_converted_to_stereo = -1;

/* CDP LIBRARY FUNCTIONS TRANSFERRED HERE */

static int 	set_param_data(aplptr ap, int special_data,int maxparamcnt,int paramcnt,char *paramlist);
static int  set_vflgs(aplptr ap,char *optflags,int optcnt,char *optlist,
				char *varflags,int vflagcnt, int vparamcnt,char *varlist);
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  establish_application(dataptr dz);
static int  application_init(dataptr dz);
static int  initialise_vflags(dataptr dz);
static int  setup_input_param_defaultval_stores(int tipc,aplptr ap);
static int  setup_and_init_input_param_activity(dataptr dz,int tipc);
static int  get_tk_cmdline_word(int *cmdlinecnt,char ***cmdline,char *q);
static int  assign_file_data_storage(int infilecnt,dataptr dz);
static int  get_the_mode_from_cmdline(char *str,dataptr dz);
static int  check_specav_param_validity_and_consistency(dataptr dz);
static int  allocate_specav_buffers(dataptr dz);
//static int  store_wordlist(char *filename,dataptr dz);

/* CDP LIB FUNCTION MODIFIED TO AVOID CALLING setup_particular_application() */

static int  parse_sloom_data(int argc,char *argv[],char ***cmdline,int *cmdlinecnt,dataptr dz);

/* SIMPLIFICATION OF LIB FUNC TO APPLY TO JUST THIS FUNCTION */

static int  parse_infile_and_check_type(char **cmdline,dataptr dz);
static int  handle_the_outfile(int *cmdlinecnt,char ***cmdline,int is_launched,dataptr dz);
static int  setup_specav_application(dataptr dz);
static int  setup_specav_param_ranges_and_defaults(dataptr dz);
static int  open_the_first_infile(char *filename,dataptr dz);
static int  handle_the_extra_infiles(char ***cmdline,int *cmdlinecnt,dataptr dz);

/* BYPASS LIBRARY GLOBAL FUNCTION TO GO DIRECTLY TO SPECIFIC APPLIC FUNCTIONS */

static int do_specav(dataptr dz) ;

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

int main(int argc,char *argv[])
{
	int exit_status;
/*	FILE *fp   = NULL; */
	dataptr dz = NULL;
//	char *special_data_string = NULL;
	char **cmdline = NULL;
	int  cmdlinecnt;
	aplptr ap;
	int is_launched = FALSE;

						/* CHECK FOR SOUNDLOOM */
//TW UPDATE
	if(argc==2 && (strcmp(argv[1],"--version") == 0)) {
		fprintf(stdout,"%s\n",cdp_version);
		fflush(stdout);
		return 0;
	}
	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) {
		print_messages_and_close_sndfiles(exit_status,is_launched,dz);
		return(FAILED);
	}
	dz->maxmode = 3;
	if(!sloom) {
						  /* INITIAL CHECK OF CMDLINE DATA */
		if((exit_status = make_initial_cmdline_check(&argc,&argv))<0) {
			print_messages_and_close_sndfiles(exit_status,is_launched,dz);
			return(FAILED);
		}
		cmdline    = argv;	/* GET PRE_DATA, ALLOCATE THE APPLICATION, CHECK FOR EXTRA INFILES */
		cmdlinecnt = argc;
// get_process_and_mode_from_cmdline -->
		if(!strcmp(argv[0],"specav"))
			dz->process = SPECAV;
		else
			usage1();
		cmdline++;
		cmdlinecnt--;
		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_specav_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) {
			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) {  	/* includes setup_particular_application()      */
			exit_status = print_messages_and_close_sndfiles(exit_status,is_launched,dz);/* and cmdlinelength check = sees extra-infiles */
			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);
	}

	if((exit_status = setup_specav_param_ranges_and_defaults(dz))<0) {
		print_messages_and_close_sndfiles(exit_status,is_launched,dz);
		return(FAILED);
	}

					/* OPEN FIRST INFILE AND STORE DATA, AND INFORMATION, APPROPRIATELY */

	if((exit_status = open_the_first_infile(cmdline[0],dz))<0) {	
		print_messages_and_close_sndfiles(exit_status,is_launched,dz);	
		return(FAILED);
	}
	cmdlinecnt--;
	cmdline++;
	if(dz->mode == 1) {
		if((exit_status = handle_the_extra_infiles(&cmdline,&cmdlinecnt,dz))<0) {
			print_messages_and_close_sndfiles(exit_status,is_launched,dz);		
			return(FAILED);
		}
	} else if(dz->infilecnt > 1) {
		sprintf(errstr,"This process requires a single input file\n");
		exit_status = DATA_ERROR;
		print_messages_and_close_sndfiles(exit_status,is_launched,dz);		
		return(FAILED);
	}
	// handle_outfile
	if((exit_status = handle_the_outfile(&cmdlinecnt,&cmdline,is_launched,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_specav_param_validity_and_consistency(dz))<0) {
		print_messages_and_close_sndfiles(exit_status,is_launched,dz);
		return(FAILED);
	}
	is_launched = TRUE;
	if((exit_status = allocate_specav_buffers(dz))<0){
		print_messages_and_close_sndfiles(exit_status,is_launched,dz);
		return(FAILED);
	}
	// param_preprocess
	// spec_process_file
	if((exit_status = do_specav(dz))<0) {
		print_messages_and_close_sndfiles(exit_status,is_launched,dz);
		return(FAILED);
	}
	if((exit_status = complete_output(dz))<0) {
		print_messages_and_close_sndfiles(exit_status,is_launched,dz);
		return(FAILED);
	}
	exit_status = print_messages_and_close_sndfiles(FINISHED,is_launched,dz);
	free(dz);
	return(SUCCEEDED);
}

/**********************************************
		REPLACED CDP LIB FUNCTIONS
**********************************************/


/****************************** SET_PARAM_DATA *********************************/

int set_param_data(aplptr ap, int special_data,int maxparamcnt,int paramcnt,char *paramlist)
{
	ap->special_data   = (char)special_data;	   
	ap->param_cnt      = (char)paramcnt;
	ap->max_param_cnt  = (char)maxparamcnt;
	if(ap->max_param_cnt>0) {
		if((ap->param_list = (char *)malloc((size_t)(ap->max_param_cnt+1)))==NULL) {	
			sprintf(errstr,"INSUFFICIENT MEMORY: for param_list\n");
			return(MEMORY_ERROR);
		}
		strcpy(ap->param_list,paramlist); 
	}
	return(FINISHED);
}

/****************************** SET_VFLGS *********************************/

int set_vflgs
(aplptr ap,char *optflags,int optcnt,char *optlist,char *varflags,int vflagcnt, int vparamcnt,char *varlist)
{
	ap->option_cnt 	 = (char) optcnt;			/*RWD added cast */
	if(optcnt) {
		if((ap->option_list = (char *)malloc((size_t)(optcnt+1)))==NULL) {
			sprintf(errstr,"INSUFFICIENT MEMORY: for option_list\n");
			return(MEMORY_ERROR);
		}
		strcpy(ap->option_list,optlist);
		if((ap->option_flags = (char *)malloc((size_t)(optcnt+1)))==NULL) {
			sprintf(errstr,"INSUFFICIENT MEMORY: for option_flags\n");
			return(MEMORY_ERROR);
		}
		strcpy(ap->option_flags,optflags); 
	}
	ap->vflag_cnt = (char) vflagcnt;		   
	ap->variant_param_cnt = (char) vparamcnt;
	if(vflagcnt) {
		if((ap->variant_list  = (char *)malloc((size_t)(vflagcnt+1)))==NULL) {
			sprintf(errstr,"INSUFFICIENT MEMORY: for variant_list\n");
			return(MEMORY_ERROR);
		}
		strcpy(ap->variant_list,varlist);		
		if((ap->variant_flags = (char *)malloc((size_t)(vflagcnt+1)))==NULL) {
			sprintf(errstr,"INSUFFICIENT MEMORY: for variant_flags\n");
			return(MEMORY_ERROR);
		}
		strcpy(ap->variant_flags,varflags);

	}
	return(FINISHED);
}

/***************************** APPLICATION_INIT **************************/

int application_init(dataptr dz)
{
	int exit_status;
	int storage_cnt;
	int tipc;
	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);
	}
	//THERE ARE NO brktables USED IN THIS PROCESS
	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 = -2;	/* flags 2 or more */
	// establish_bufptrs_and_extra_buffers
	dz->extra_bufcnt =  0; 
	dz->bptrcnt = 4; 	
	// setup_internal_arrays_and_array_pointers(): not required
	return establish_spec_bufptrs_and_extra_buffers(dz);
}

/********************** 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);
}

/***************************** ESTABLISH_APPLICATION **************************/

int establish_application(dataptr dz)
{
	aplptr ap;
	if((dz->application = (aplptr)malloc(sizeof (struct applic)))==NULL) {
		sprintf(errstr,"establish_application()\n");
		return(MEMORY_ERROR);
	}
	ap = dz->application;
	memset((char *)ap,0,sizeof(struct applic));
	return(FINISHED);
}

/************************* INITIALISE_VFLAGS *************************/

int initialise_vflags(dataptr dz)
{
	int n;
	if((dz->vflag  = (char *)malloc(dz->application->vflag_cnt * sizeof(char)))==NULL) {
		sprintf(errstr,"INSUFFICIENT MEMORY: vflag store,\n");
		return(MEMORY_ERROR);
	}
	for(n=0;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_SPECAV_APPLICATION *******************/

int setup_specav_application(dataptr dz)
{
	int exit_status;
	aplptr ap;
	if((exit_status = establish_application(dz))<0)		// GLOBAL
		return(FAILED);
	ap = dz->application;
	// SEE parstruct FOR EXPLANATION of next 2 functions
	if(dz->mode == 2) {
		if((exit_status = set_param_data(ap,0   ,0,0,""      ))<0)
			return(FAILED);
		if((exit_status = set_vflgs(ap,  "g",1,"i"  ,"n"    ,1,0,"0"   ))<0)
			return(FAILED);
	} else {
		if((exit_status = set_param_data(ap,0   ,2,2,"dd"      ))<0)
			return(FAILED);
		if((exit_status = set_vflgs(ap,  "",0,""  ,"n"     ,1,0,"0"    ))<0)
			return(FAILED);
	}
	// set_legal_infile_structure -->
	dz->has_otherfile = FALSE;
	// assign_process_logic -->
	if(dz->mode == 1)
		dz->input_data_type = MANY_ANALFILES;
	else
		dz->input_data_type = ANALFILE_ONLY;
	dz->process_type	= TO_TEXTFILE;	
	dz->outfiletype  	= TEXTFILE_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 tp parse input file %s\n",cmdline[0]);
			return(PROGRAM_ERROR);
		} else if(infile_info->filetype != ANALFILE)  {
			sprintf(errstr,"File %s is not of correct type\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_SPECAV_PARAM_RANGES_AND_DEFAULTS *******************/

int setup_specav_param_ranges_and_defaults(dataptr dz)
{
	int exit_status;
	aplptr ap = dz->application;
	// set_param_ranges()
	ap->total_input_param_cnt = (char)(ap->max_param_cnt + ap->option_cnt + ap->variant_param_cnt);
	if((exit_status = setup_input_param_range_stores(ap->total_input_param_cnt,ap))<0)
		return(FAILED);
	// get_param_ranges()
	if(dz->mode == 2) {
		ap->lo[0]			= 1;
		ap->hi[0]			= dz->wlength - 1;
		ap->default_val[0]	= 1;
	} else {
		ap->lo[0]			= dz->frametime;
		ap->hi[0]			= dz->duration - dz->frametime;
		ap->default_val[0]	= dz->frametime;
		ap->lo[1]			= dz->frametime * 2;
		ap->hi[1]			= dz->duration;
		ap->default_val[1]	= dz->duration;
	}
	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_specav_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);
}

/************************** OPEN_THE_FIRST_INFILE *****************************/

int open_the_first_infile(char *filename,dataptr dz)
{
	if((dz->ifd[0] = sndopenEx(filename,0,CDP_OPEN_RDONLY)) < 0) {
		sprintf(errstr,"Failure to open file %s for input.\n",filename);
		return(SYSTEM_ERROR);
	}
	if(dz->infilecnt<=0 || dz->infile->filetype!=ANALFILE) {
		sprintf(errstr,"%s is wrong type of file for this process.\n",filename);
		return(DATA_ERROR);
	}
	dz->samps_left = dz->insams[0];
	return(FINISHED);
}

/************************ HANDLE_THE_EXTRA_INFILES *********************/

int handle_the_extra_infiles(char ***cmdline,int *cmdlinecnt,dataptr dz)
{
					/* OPEN ANY FURTHER INFILES, CHECK COMPATIBILITY, STORE DATA AND INFO */
	int  exit_status, n;
	char *filename;

	if(dz->infilecnt > 1) {
		for(n=1;n<dz->infilecnt;n++) {
			filename = (*cmdline)[0];
			if((exit_status = handle_other_infile(n,filename,dz))<0)
				return(exit_status);
			(*cmdline)++;
			(*cmdlinecnt)--;
		}
	} else {
		sprintf(errstr,"Insufficient input files for this process\n");
		return(DATA_ERROR);
	}
	return(FINISHED);
}

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

int handle_the_outfile(int *cmdlinecnt,char ***cmdline,int is_launched,dataptr dz)
{
	char *filename = NULL;

	if(sloom) {
		filename = (*cmdline)[0];
	} else {
		if(*cmdlinecnt<=0) {
			sprintf(errstr,"Insufficient cmdline parameters.\n");
			return(USAGE_ONLY);
		}
		filename = (*cmdline)[0];
		if(filename[0]=='-' && filename[1]=='f') {
			sprintf(errstr,"-f flag used incorrectly on command line (output is not a sound file).\n");
			return(USAGE_ONLY);
		}
		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);
		}
	}
	if(dz->mode == 2)
		strcpy(dz->outfilename,filename);
	else if ((dz->fp = fopen(filename,"w")) == NULL) {
		sprintf(errstr,"Cannot open output file %s\n", filename);
		return(DATA_ERROR);
	}
	(*cmdline)++;
	(*cmdlinecnt)--;
	return(FINISHED);
}

/******************************** USAGE ********************************/

int usage1(void)
{
	return(usage2("specav"));
}

int usage2(char *str)
{
	if(!strcmp(str,"specav")) {
		fprintf(stdout,
		"USAGE: specav specav 1 inafil outfil starttime endtime [-n]\n"
		"OR:    \n"
		"specav specav 2 inafil1 inafil2 [inafil3 ....] outfil starttime endtime [-n]\n"
		"OR:    \n"
		"specav specav 3 inafil generic_outfilname [-ggroupcnt] [-n]\n"
		"\n"
		"FIND AVERAGE SPECTRUM OF A SOUND OR OF SEVERAL SOUNDS\n"
		"OR\n"
		"EXTRACT CHANGING SPECTRUM OF SINGLE ANALYSIS FILE AS LIST OF TEXTFILES\n"
		"\n"
		"INAFIL    Inputs are analysis files (of the same type).\n"
		"OUTFIL    Output is a textfile, or a set of textfiles.\n"
		"STARTTIME Start time of section to be averaged.\n"
		"ENDTIME   End time of section to be averaged.\n"
		"GROUPCNT  Number of windows averaged in each output textfile (default = 1).\n"
		"-n        Normalise the output data, to peak at 1.0\n"
		"(Useful to display formant contour of source).\n");
	} else
		fprintf(stdout,"Unknown option '%s'\n",str);
	return(USAGE_ONLY);
}

int usage3(char *str1,char *str2)
{
	sprintf(errstr,"Insufficient parameters on command line.\n");
	return(USAGE_ONLY);
}

/************************* DO_SPECAV *******************/

int do_specav(dataptr dz) 
{
	int exit_status, n, k, j, outframecnt = 0, wincnt, gpcnt;
	double *avstore, maxamp, normaliser = 1.0;
	char *p, thisbasnam[200], filename[200], thisext[200], thisnum[200];
	dz->flbufptr[1]  = dz->bigfbuf;
	if((avstore = (double *)malloc(dz->buflen * sizeof(double)))==NULL) {
		sprintf(errstr,"INSUFFICIENT MEMORY to accumulate spectra.\n");
		return(MEMORY_ERROR);
	}
	if(dz->mode == 2) {
		p = dz->outfilename;			//	Get elements of output file names
		while(*p != ENDOFSTR) {
			if(*p == '.') {
				strcpy(thisext,p);
				*p = ENDOFSTR;
				strcpy(thisbasnam,dz->outfilename);
				break;
			}
			p++;
		}
		if(*p == ENDOFSTR) {			//	If no file extension found, force ".txt"
			strcpy(thisext,".txt");
			strcpy(thisbasnam,dz->outfilename);
		}
		memset((char *)avstore,0,dz->buflen * sizeof(double));
		dz->samps_left = dz->insams[0];
		wincnt = 0;				//	Count of input windows
		gpcnt = 0;				//	Count of windows within an output-group of windows
		outframecnt = 0;		//	Count of output-groups
		if(dz->vflag[0]) {		// Find normalisation value
			maxamp = 0.0;
			memset((char *)avstore,0,dz->buflen * sizeof(double));
			while(dz->samps_left > 0) {
				memset((char *)dz->bigfbuf,0,dz->buflen * sizeof(float));
				if((exit_status = read_samps(dz->bigfbuf,dz)) < 0)
					return exit_status;
				if(wincnt > 0) {					//	Ignore 1st window of pvoc output (which is all 0.0)
					for(k = 0; k < dz->ssampsread; k++)
						avstore[k] += dz->bigfbuf[k];
					gpcnt++;
					if(gpcnt == dz->iparam[0]) {	//	Once a window-group is complete, find max amp value
						for(k = 0; k < dz->buflen; k+=2) {
							if(avstore[k] > maxamp)
								maxamp = avstore[k];
						}
						gpcnt = 0;					//	Reset avstore for next group
						memset((char *)avstore,0,dz->buflen * sizeof(double));
					}
				}
				wincnt++;
			}
			if(maxamp <= FLTERR) {
				sprintf(errstr,"No significant level found in source file.\n");
				return(DATA_ERROR);
			}
			normaliser = 1.0/maxamp;
			sndseekEx(dz->ifd[0],0,0);
			reset_filedata_counters(dz);
			memset((char *)avstore,0,dz->buflen * sizeof(double));
			wincnt = 0;
			gpcnt = 0;
		}
		while(dz->samps_left > 0) {
			memset((char *)dz->bigfbuf,0,dz->buflen * sizeof(float));
			if((exit_status = read_samps(dz->bigfbuf,dz)) < 0)
				return exit_status;
			if(wincnt > 0) {						//	Ignore first (zero) window
				for(k = 0; k < dz->ssampsread; k++)
					avstore[k] += dz->bigfbuf[k];	//	Add spectral data into averaging window
				gpcnt++;
				if(gpcnt == dz->iparam[0]) {		//	Once a full group of windows have been added in
					if(dz->vflag[0]) {				//	Normalise
						for(k = 0; k < dz->buflen; k+=2)
							dz->bigfbuf[k] = (float)(avstore[k] * normaliser);
					} else {						//	or divide values by groupsize
						for(k = 0; k < dz->buflen; k+=2)
							dz->bigfbuf[k] = (float)(avstore[k] / (double)gpcnt);
					}								
					gpcnt = 0;						//	and reset group counter and averaging buffer
					memset((char *)avstore,0,dz->buflen * sizeof(double));

					if(outframecnt > 1)				// Once first outputfile used
						fclose(dz->fp);				// Close it before creating next (last file closed on exit from main)
					strcpy(filename,thisbasnam);
					sprintf(thisnum,"%d",outframecnt+1);
					strcat(filename,"_");			//	Create numbered filename
					strcat(filename,thisnum);
					strcat(filename,thisext);
					if((dz->fp = fopen(filename,"w")) == NULL) {
						sprintf(errstr,"Cannot open output file %s\n", filename);
						return(DATA_ERROR);
					}								//	Write data to file
					for(k = 0, j = 1; k < dz->buflen; k+=2, j+=2) {
						if(fprintf(dz->fp,"%lf\t%lf\n",dz->bigfbuf[j],dz->bigfbuf[k])<2) {
							sprintf(errstr,"fput_brk(): Problem writing spectral data to file %s\n",filename);
							return(PROGRAM_ERROR);
						}	//	i.e. store the average frq followed by the average amplitude
					}
					outframecnt++;
				}
			}
			wincnt++;
		}
		return FINISHED;
	}
	memset((char *)avstore,0,dz->buflen * sizeof(float));
	for(n=0;n<dz->infilecnt;n++) {
		dz->samps_left = dz->insams[n];
		dz->ifd[0] = dz->ifd[n];
		wincnt = 0;
		while(dz->samps_left > 0) {
			if((exit_status = read_samps(dz->bigfbuf,dz)) < 0)
				return exit_status;
			if(wincnt >= dz->iparam[0]) {
				for(k = 0; k < dz->ssampsread; k++)
					avstore[k] += dz->bigfbuf[k];
				outframecnt++;
			}
			if(wincnt >= dz->iparam[1])
				break;
			wincnt++;
		}
	}
	for(k = 0, j = 1; k < dz->buflen; k+=2,j+=2) {
		avstore[k] = avstore[k]/(double)outframecnt;
		avstore[j] = avstore[j]/(double)outframecnt;
		if(avstore[j] < 0.0)
			avstore[j] = 0.0;
		else if(avstore[j] > dz->nyquist)
			avstore[j] = dz->nyquist;
	}
	if(dz->vflag[0]) {	// normalise
		maxamp = 0.0;
		for(k = 0; k < dz->buflen; k+=2)
			maxamp = max(avstore[k],maxamp);
		if((maxamp > FLTERR) && (maxamp < 1.0)) {
			for(k = 0; k < dz->buflen; k+=2)
				avstore[k] /= maxamp;
		}
	}
	for(k = 0, j = 1; k < dz->buflen; k+=2, j+=2) {
		if(fprintf(dz->fp,"%lf\t%lf\n",avstore[j],avstore[k])<2) {
			sprintf(errstr,"fput_brk(): Problem writing spectral data to file.\n");
			return(PROGRAM_ERROR);
		}	//	i.e. store the average frq followed by the average amplitude
	}	
			
	return(FINISHED);
}

/************************* redundant functions: to ensure libs compile OK *******************/

int assign_process_logic(dataptr dz)
{
	return(FINISHED);
}

void set_legal_infile_structure(dataptr dz)
{}

int set_legal_internalparam_structure(int process,int mode,aplptr ap)
{
	return(FINISHED);
}

int get_process_no(char *prog_identifier_from_cmdline,dataptr dz)
{
	return(FINISHED);
}

int setup_internal_arrays_and_array_pointers(dataptr dz)
{
	return(FINISHED);
}

int establish_bufptrs_and_extra_buffers(dataptr dz)
{
	return(FINISHED);
}

int read_special_data(char *str,dataptr dz)	
{
	return(FINISHED);
}

int inner_loop
(int *peakscore,int *descnt,int *in_start_portion,int *least,int *pitchcnt,int windows_in_buf,dataptr dz)
{
	return(FINISHED);
}

/****************************** 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);
}

/**************************** CHECK_SPECAV_PARAM_VALIDITY_AND_CONSISTENCY *****************************/

int check_specav_param_validity_and_consistency(dataptr dz)
{
	int temp, n;
	double duration;
	if(dz->mode == 2)
		return FINISHED;
	for(n = 0; n <dz->infilecnt; n++) {
		duration  = (dz->insams[n]/dz->wanted) * dz->frametime;
		if(dz->param[0] > duration)
			dz->param[0] = duration;
		if(dz->param[1] > duration)
			dz->param[1] = duration;
	}
	dz->iparam[0] = (int)round(dz->param[0]/dz->frametime);
	dz->iparam[1] = (int)round(dz->param[1]/dz->frametime);
	if(dz->iparam[1] < dz->iparam[0]) {
		temp = dz->iparam[0];
		dz->iparam[0] = dz->iparam[1];
		dz->iparam[1] = temp;
	}
	return FINISHED;
}

/**************************** ALLOCATE_SPECAV_BUFFERS ******************************/

int allocate_specav_buffers(dataptr dz)
{
//	int exit_status;
	unsigned int buffersize;
	if(dz->bptrcnt < 4) {
		sprintf(errstr,"Insufficient bufptrs established in allocate_double_buffer()\n");
		return(PROGRAM_ERROR);
	}
//TW REVISED: buffers don't need to be multiples of secsize
	buffersize = dz->wanted;
	dz->buflen = buffersize;
	if((dz->bigfbuf = (float*)malloc(dz->buflen * 2 * sizeof(float)))==NULL) {
		sprintf(errstr,"INSUFFICIENT MEMORY for output buffer.\n");
		return(MEMORY_ERROR);
	}
	dz->big_fsize = dz->buflen;
	dz->flbufptr[2]  = dz->bigfbuf + dz->buflen;	  
	dz->flbufptr[3]  = dz->flbufptr[2] + dz->buflen;
	return(FINISHED);
}