ComposerDesktopProject/dev/science/scramble.c

//	_cdprogs\scramble scramble 5 alan_bellydancefc.wav test.wav cuts.txt

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


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

char errstr[2400];

int anal_infiles = 1;
int	sloom = 0;
int sloombatch = 0;

const char* cdp_version = "6.1.0";

//CDP LIB REPLACEMENTS
static int setup_scramble_application(dataptr dz);
static int parse_sloom_data(int argc,char *argv[],char ***cmdline,int *cmdlinecnt,dataptr dz);
static int parse_infile_and_check_type(char **cmdline,dataptr dz);
static int setup_scramble_param_ranges_and_defaults(dataptr dz);
static int handle_the_outfile(int *cmdlinecnt,char ***cmdline,dataptr dz);
static int setup_and_init_input_param_activity(dataptr dz,int tipc);
static int setup_input_param_defaultval_stores(int tipc,aplptr ap);
static int establish_application(dataptr dz);
static int initialise_vflags(dataptr dz);
static int setup_parameter_storage_and_constants(int storage_cnt,dataptr dz);
static int initialise_is_int_and_no_brk_constants(int storage_cnt,dataptr dz);
static int mark_parameter_types(dataptr dz,aplptr ap);
static int assign_file_data_storage(int infilecnt,dataptr dz);
static int get_tk_cmdline_word(int *cmdlinecnt,char ***cmdline,char *q);
static int get_the_process_no(char *prog_identifier_from_cmdline,dataptr dz);
static int get_the_mode_from_cmdline(char *str,dataptr dz);
static int setup_and_init_input_brktable_constants(dataptr dz,int brkcnt);
static int scramble(dataptr dz);
static void rndpermm(int permlen,int *permm);
static void insert(int m,int t,int permlen,int *permm);
static void prefix(int m,int permlen,int *permm);
static void shuflup(int k,int permlen, int *permm);
static int write_waveset(int *obufpos,int *lastbuf,int ibufstart,int len,double amp,double incr,dataptr dz);
static int handle_the_special_data(char *str,dataptr dz);
static int get_levels(int *wset_store,int wcnt,double *level,dataptr dz);

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

int main(int argc,char *argv[])
{
	int exit_status;
	dataptr dz = NULL;
	char **cmdline;
	int  cmdlinecnt;
	int n;
	aplptr ap;
	int is_launched = FALSE;
	if(argc==2 && (strcmp(argv[1],"--version") == 0)) {
		fprintf(stdout,"%s\n",cdp_version);
		fflush(stdout);
		return 0;
	}
						/* CHECK FOR SOUNDLOOM */
	if((sloom = sound_loom_in_use(&argc,&argv)) > 1) {
		sloom = 0;
		sloombatch = 1;
	}
	if(sflinit("cdp")){
		sfperror("cdp: initialisation\n");
		return(FAILED);
	}
						  /* SET UP THE PRINCIPLE DATASTRUCTURE */
	if((exit_status = establish_datastructure(&dz))<0) {					// CDP LIB
		print_messages_and_close_sndfiles(exit_status,is_launched,dz);
		return(FAILED);
	}
	if(!sloom) {
		if(argc == 1) {
			usage1();	
			return(FAILED);
		} else if(argc == 2) {
			usage2(argv[1]);	
			return(FAILED);
		}
	}
	if(!sloom) {
		if((exit_status = make_initial_cmdline_check(&argc,&argv))<0) {		// CDP LIB
			print_messages_and_close_sndfiles(exit_status,is_launched,dz);
			return(FAILED);
		}
		cmdline    = argv;
		cmdlinecnt = argc;
		if((get_the_process_no(argv[0],dz))<0)
			return(FAILED);
		cmdline++;
		cmdlinecnt--;
		dz->maxmode = 14;
		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_scramble_application(dz))<0) {
			print_messages_and_close_sndfiles(exit_status,is_launched,dz);
			return(FAILED);
		}
		if((exit_status = count_and_allocate_for_infiles(cmdlinecnt,cmdline,dz))<0) {		// CDP LIB
			print_messages_and_close_sndfiles(exit_status,is_launched,dz);
			return(FAILED);
		}
	} else {
		//parse_TK_data() =
		if((exit_status = parse_sloom_data(argc,argv,&cmdline,&cmdlinecnt,dz))<0) {
			exit_status = print_messages_and_close_sndfiles(exit_status,is_launched,dz);
			return(exit_status);		 
		}
	}
	ap = dz->application;

	// parse_infile_and_hone_type() = 
	if((exit_status = parse_infile_and_check_type(cmdline,dz))<0) {
		exit_status = print_messages_and_close_sndfiles(exit_status,is_launched,dz);
		return(FAILED);
	}
	// setup_param_ranges_and_defaults() =
	if((exit_status = setup_scramble_param_ranges_and_defaults(dz))<0) {
		exit_status = print_messages_and_close_sndfiles(exit_status,is_launched,dz);
		return(FAILED);
	}
	// open_first_infile		CDP LIB
	if((exit_status = open_first_infile(cmdline[0],dz))<0) {	
		print_messages_and_close_sndfiles(exit_status,is_launched,dz);	
		return(FAILED);
	}
	cmdlinecnt--;
	cmdline++;

//	handle_extra_infiles() : redundant
	// handle_outfile() = 
	if((exit_status = handle_the_outfile(&cmdlinecnt,&cmdline,dz))<0) {
		print_messages_and_close_sndfiles(exit_status,is_launched,dz);
		return(FAILED);
	}
//	handle_formants()			redundant
//	handle_formant_quiksearch()	redundant
//	handle_special_data ....
	switch(dz->mode) {
	case(4):	case(5):	case(6):	case(7):
	case(10):	case(11):	case(12):	case(13):
		if((exit_status = handle_the_special_data(cmdline[0],dz))<0) {
			print_messages_and_close_sndfiles(exit_status,is_launched,dz);
			return(FAILED);
		}
		cmdlinecnt--;
		cmdline++;
		break;
	}

	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() redundant
	is_launched = TRUE;
	dz->bufcnt = 3;
	if((dz->sampbuf = (float **)malloc(sizeof(float *) * (dz->bufcnt+1)))==NULL) {
		sprintf(errstr,"INSUFFICIENT MEMORY establishing sample buffers.\n");
		return(MEMORY_ERROR);
	}
	if((dz->sbufptr = (float **)malloc(sizeof(float *) * dz->bufcnt))==NULL) {
		sprintf(errstr,"INSUFFICIENT MEMORY establishing sample buffer pointers.\n");
		return(MEMORY_ERROR);
	}
	for(n = 0;n <dz->bufcnt; n++)
		dz->sampbuf[n] = dz->sbufptr[n] = (float *)0;
	dz->sampbuf[n] = (float *)0;

	if((exit_status = create_sndbufs(dz))<0) {									// CDP LIB
		print_messages_and_close_sndfiles(exit_status,is_launched,dz);
		return(FAILED);
	}
	//param_preprocess()						redundant
	//spec_process_file =
	if((exit_status = scramble(dz))<0) {
		print_messages_and_close_sndfiles(exit_status,is_launched,dz);
		return(FAILED);
	}
	if((exit_status = complete_output(dz))<0) {										// CDP LIB
		print_messages_and_close_sndfiles(exit_status,is_launched,dz);
		return(FAILED);
	}
	exit_status = print_messages_and_close_sndfiles(FINISHED,is_launched,dz);		// CDP LIB
	free(dz);
	return(SUCCEEDED);
}

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


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

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

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

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

	}
	return(FINISHED);
}

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

int application_init(dataptr dz)
{
	int exit_status;
	int storage_cnt;
	int tipc, brkcnt;
	aplptr ap = dz->application;
	if(ap->vflag_cnt>0)
		initialise_vflags(dz);	  
	tipc  = ap->max_param_cnt + ap->option_cnt + ap->variant_param_cnt;
	ap->total_input_param_cnt = (char)tipc;
	if(tipc>0) {
		if((exit_status = setup_input_param_range_stores(tipc,ap))<0)			  
			return(exit_status);
		if((exit_status = setup_input_param_defaultval_stores(tipc,ap))<0)		  
			return(exit_status);
		if((exit_status = setup_and_init_input_param_activity(dz,tipc))<0)	  
			return(exit_status);
	}
	brkcnt = tipc;
	//THERE ARE NO INPUTFILE brktables USED IN THIS PROCESS
	if(brkcnt>0) {
		if((exit_status = setup_and_init_input_brktable_constants(dz,brkcnt))<0)			  
			return(exit_status);
	}
	if((storage_cnt = tipc + ap->internal_param_cnt)>0) {		  
		if((exit_status = setup_parameter_storage_and_constants(storage_cnt,dz))<0)	  
			return(exit_status);
		if((exit_status = initialise_is_int_and_no_brk_constants(storage_cnt,dz))<0)	  
			return(exit_status);
	}													   
 	if((exit_status = mark_parameter_types(dz,ap))<0)	  
		return(exit_status);
	
	// establish_infile_constants() replaced by
	dz->infilecnt = 1;
	//establish_bufptrs_and_extra_buffers():
	return(FINISHED);
}

/********************** SETUP_PARAMETER_STORAGE_AND_CONSTANTS ********************/
/* RWD mallo changed to calloc; helps debug verison run as release! */

int setup_parameter_storage_and_constants(int storage_cnt,dataptr dz)
{
	if((dz->param       = (double *)calloc(storage_cnt, sizeof(double)))==NULL) {
		sprintf(errstr,"setup_parameter_storage_and_constants(): 1\n");
		return(MEMORY_ERROR);
	}
	if((dz->iparam      = (int    *)calloc(storage_cnt, sizeof(int)   ))==NULL) {
		sprintf(errstr,"setup_parameter_storage_and_constants(): 2\n");
		return(MEMORY_ERROR);
	}
	if((dz->is_int      = (char   *)calloc(storage_cnt, sizeof(char)))==NULL) {
		sprintf(errstr,"setup_parameter_storage_and_constants(): 3\n");
		return(MEMORY_ERROR);
	}
	if((dz->no_brk      = (char   *)calloc(storage_cnt, sizeof(char)))==NULL) {
		sprintf(errstr,"setup_parameter_storage_and_constants(): 5\n");
		return(MEMORY_ERROR);
	}
	return(FINISHED);
}

/************** INITIALISE_IS_INT_AND_NO_BRK_CONSTANTS *****************/

int initialise_is_int_and_no_brk_constants(int storage_cnt,dataptr dz)
{
	int n;
	for(n=0;n<storage_cnt;n++) {
		dz->is_int[n] = (char)0;
		dz->no_brk[n] = (char)0;
	}
	return(FINISHED);
}

/***************************** MARK_PARAMETER_TYPES **************************/

int mark_parameter_types(dataptr dz,aplptr ap)
{
	int n, m;							/* PARAMS */
	for(n=0;n<ap->max_param_cnt;n++) {
		switch(ap->param_list[n]) {
		case('0'):	break; /* dz->is_active[n] = 0 is default */
		case('i'):	dz->is_active[n] = (char)1; dz->is_int[n] = (char)1;dz->no_brk[n] = (char)1; break;
		case('I'):	dz->is_active[n] = (char)1;	dz->is_int[n] = (char)1; 						 break;
		case('d'):	dz->is_active[n] = (char)1;							dz->no_brk[n] = (char)1; break;
		case('D'):	dz->is_active[n] = (char)1;	/* normal case: double val or brkpnt file */	 break;
		default:
			sprintf(errstr,"Programming error: invalid parameter type in mark_parameter_types()\n");
			return(PROGRAM_ERROR);
		}
	}						 		/* OPTIONS */
	for(n=0,m=ap->max_param_cnt;n<ap->option_cnt;n++,m++) {
		switch(ap->option_list[n]) {
		case('i'): dz->is_active[m] = (char)1; dz->is_int[m] = (char)1;	dz->no_brk[m] = (char)1; break;
		case('I'): dz->is_active[m] = (char)1; dz->is_int[m] = (char)1; 						 break;
		case('d'): dz->is_active[m] = (char)1; 							dz->no_brk[m] = (char)1; break;
		case('D'): dz->is_active[m] = (char)1;	/* normal case: double val or brkpnt file */	 break;
		default:
			sprintf(errstr,"Programming error: invalid option type in mark_parameter_types()\n");
			return(PROGRAM_ERROR);
		}
	}								/* VARIANTS */
	for(n=0,m=ap->max_param_cnt + ap->option_cnt;n < ap->variant_param_cnt; n++, m++) {
		switch(ap->variant_list[n]) {
		case('0'): break;
		case('i'): dz->is_active[m] = (char)1; dz->is_int[m] = (char)1;	dz->no_brk[m] = (char)1; break;
		case('I'): dz->is_active[m] = (char)1; dz->is_int[m] = (char)1;	 						 break;
		case('d'): dz->is_active[m] = (char)1; 							dz->no_brk[m] = (char)1; break;
		case('D'): dz->is_active[m] = (char)1; /* normal case: double val or brkpnt file */		 break;
		default:
			sprintf(errstr,"Programming error: invalid variant type in mark_parameter_types()\n");
			return(PROGRAM_ERROR);
		}
	}								/* INTERNAL */
	for(n=0,
	m=ap->max_param_cnt + ap->option_cnt + ap->variant_param_cnt; n<ap->internal_param_cnt; n++,m++) {
		switch(ap->internal_param_list[n]) {
		case('0'):  break;	 /* dummy variables: variables not used: but important for internal paream numbering!! */
		case('i'):	dz->is_int[m] = (char)1;	dz->no_brk[m] = (char)1;	break;
		case('d'):								dz->no_brk[m] = (char)1;	break;
		default:
			sprintf(errstr,"Programming error: invalid internal param type in mark_parameter_types()\n");
			return(PROGRAM_ERROR);
		}
	}
	return(FINISHED);
}

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

int handle_the_outfile(int *cmdlinecnt,char ***cmdline,dataptr dz)
{
	int exit_status;
	char *filename = (*cmdline)[0];
	if(filename[0]=='-' && filename[1]=='f') {
		dz->floatsam_output = 1;
		dz->true_outfile_stype = SAMP_FLOAT;
		filename+= 2;
	}
	if(!sloom) {
		if(file_has_invalid_startchar(filename) || value_is_numeric(filename)) {
			sprintf(errstr,"Outfile name %s has invalid start character(s) or looks too much like a number.\n",filename);
			return(DATA_ERROR);
		}
	}
	strcpy(dz->outfilename,filename);	   
	if((exit_status = create_sized_outfile(filename,dz))<0)
		return(exit_status);
	(*cmdline)++;
	(*cmdlinecnt)--;
	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_SCRAMBLE_APPLICATION *******************/

int setup_scramble_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
	switch(dz->mode) {
	case(0):	//	fall  thro
	case(1): exit_status = set_param_data(ap,0   ,2,2,"di");		break;
	case(2):	//	fall  thro
	case(3):	//	fall  thro
	case(8):	//	fall  thro
	case(9): exit_status = set_param_data(ap,0   ,2,1,"0i");		break;
	default: exit_status = set_param_data(ap,VERGEDATA,2,1,"0i");	break;
	}
	if((exit_status)<0)
		return(FAILED);
	if((exit_status = set_vflgs(ap,"cta",3,"iDD","",0,0,""))<0)
		return(FAILED);
	// set_legal_infile_structure -->
	dz->has_otherfile = FALSE;
	// assign_process_logic -->
	dz->input_data_type = SNDFILES_ONLY;
	dz->process_type	= UNEQUAL_SNDFILE;	
	dz->outfiletype  	= SNDFILE_OUT;
	return application_init(dz);	//GLOBAL
}

/************************* PARSE_INFILE_AND_CHECK_TYPE *******************/

int parse_infile_and_check_type(char **cmdline,dataptr dz)
{
	int exit_status;
	infileptr infile_info;
	if(!sloom) {
		if((infile_info = (infileptr)malloc(sizeof(struct filedata)))==NULL) {
			sprintf(errstr,"INSUFFICIENT MEMORY for infile structure to test file data.");
			return(MEMORY_ERROR);
		} else if((exit_status = cdparse(cmdline[0],infile_info))<0) {
			sprintf(errstr,"Failed to parse input file %s\n",cmdline[0]);
			return(PROGRAM_ERROR);
		} else if(infile_info->filetype != SNDFILE)  {
			sprintf(errstr,"File %s is not of correct type\n",cmdline[0]);
			return(DATA_ERROR);
		} else if(infile_info->channels != 1)  {
			sprintf(errstr,"File %s is not of correct type (must be mono)\n",cmdline[0]);
			return(DATA_ERROR);
		} else if((exit_status = copy_parse_info_to_main_structure(infile_info,dz))<0) {
			sprintf(errstr,"Failed to copy file parsing information\n");
			return(PROGRAM_ERROR);
		}
		free(infile_info);
	}
	return(FINISHED);
}

/************************* SETUP_SCRAMBLE_PARAM_RANGES_AND_DEFAULTS *******************/

int setup_scramble_param_ranges_and_defaults(dataptr dz)
{
	int exit_status;
	aplptr ap = dz->application;
	// set_param_ranges()
	ap->total_input_param_cnt = (char)(ap->max_param_cnt + ap->option_cnt + ap->variant_param_cnt);
	// NB total_input_param_cnt is > 0 !!!
	if((exit_status = setup_input_param_range_stores(ap->total_input_param_cnt,ap))<0)
		return(FAILED);
	// get_param_ranges()
	if(dz->mode <= 1) {
		ap->lo[SCR_DUR]	 = 1.0;
		ap->hi[SCR_DUR]	 = 7200.0;
		ap->default_val[SCR_DUR]  = 20.0;
	}
	ap->lo[SCR_SEED] = 0;
	ap->hi[SCR_SEED] = 256;
	ap->default_val[SCR_SEED] = 1;
	ap->lo[SCR_CNT]  = 1.0;
	ap->hi[SCR_CNT]  = 256.0;
	ap->default_val[SCR_CNT]  = 1.0;
	ap->lo[SCR_TRNS]  = 0.0;
	ap->hi[SCR_TRNS]  = 12.0;
	ap->default_val[SCR_TRNS]  = 0.0;
	ap->lo[SCR_ATTEN] = .0;
	ap->hi[SCR_ATTEN] = 1.0;
	ap->default_val[SCR_ATTEN] = 0.0;
	dz->maxmode = 14;
	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_scramble_application(dz))<0)
				return(exit_status);
			ap = dz->application;
			break;

		case(3):	
			if(sscanf(argv[cnt],"%d",&infilecnt)!=1) {
				sprintf(errstr,"Cannot read infilecnt sent from TK\n");
				return(DATA_ERROR);
			}
			if(infilecnt < 1) {
				true_cnt = cnt + 1;
				cnt = PRE_CMDLINE_DATACNT;	/* force exit from loop after assign_file_data_storage */
			}
			if((exit_status = assign_file_data_storage(infilecnt,dz))<0)
				return(exit_status);
			break;
		case(INPUT_FILETYPE+4):	
			if(sscanf(argv[cnt],"%d",&dz->infile->filetype)!=1) {
				sprintf(errstr,"Cannot read filetype sent from TK (%s)\n",argv[cnt]);
				return(DATA_ERROR);
			}
			break;
		case(INPUT_FILESIZE+4):	
			if(sscanf(argv[cnt],"%d",&filesize)!=1) {
				sprintf(errstr,"Cannot read infilesize sent from TK\n");
				return(DATA_ERROR);
			}
			dz->insams[0] = filesize;	
			break;
		case(INPUT_INSAMS+4):	
			if(sscanf(argv[cnt],"%d",&insams)!=1) {
				sprintf(errstr,"Cannot read insams sent from TK\n");
				return(DATA_ERROR);
			}
			dz->insams[0] = insams;	
			break;
		case(INPUT_SRATE+4):	
			if(sscanf(argv[cnt],"%d",&dz->infile->srate)!=1) {
				sprintf(errstr,"Cannot read srate sent from TK\n");
				return(DATA_ERROR);
			}
			break;
		case(INPUT_CHANNELS+4):	
			if(sscanf(argv[cnt],"%d",&dz->infile->channels)!=1) {
				sprintf(errstr,"Cannot read channels sent from TK\n");
				return(DATA_ERROR);
			}
			break;
		case(INPUT_STYPE+4):	
			if(sscanf(argv[cnt],"%d",&dz->infile->stype)!=1) {
				sprintf(errstr,"Cannot read stype sent from TK\n");
				return(DATA_ERROR);
			}
			break;
		case(INPUT_ORIGSTYPE+4):	
			if(sscanf(argv[cnt],"%d",&dz->infile->origstype)!=1) {
				sprintf(errstr,"Cannot read origstype sent from TK\n");
				return(DATA_ERROR);
			}
			break;
		case(INPUT_ORIGRATE+4):	
			if(sscanf(argv[cnt],"%d",&dz->infile->origrate)!=1) {
				sprintf(errstr,"Cannot read origrate sent from TK\n");
				return(DATA_ERROR);
			}
			break;
		case(INPUT_MLEN+4):	
			if(sscanf(argv[cnt],"%d",&dz->infile->Mlen)!=1) {
				sprintf(errstr,"Cannot read Mlen sent from TK\n");
				return(DATA_ERROR);
			}
			break;
		case(INPUT_DFAC+4):	
			if(sscanf(argv[cnt],"%d",&dz->infile->Dfac)!=1) {
				sprintf(errstr,"Cannot read Dfac sent from TK\n");
				return(DATA_ERROR);
			}
			break;
		case(INPUT_ORIGCHANS+4):	
			if(sscanf(argv[cnt],"%d",&dz->infile->origchans)!=1) {
				sprintf(errstr,"Cannot read origchans sent from TK\n");
				return(DATA_ERROR);
			}
			break;
		case(INPUT_SPECENVCNT+4):	
			if(sscanf(argv[cnt],"%d",&dz->infile->specenvcnt)!=1) {
				sprintf(errstr,"Cannot read specenvcnt sent from TK\n");
				return(DATA_ERROR);
			}
			dz->specenvcnt = dz->infile->specenvcnt;
			break;
		case(INPUT_WANTED+4):	
			if(sscanf(argv[cnt],"%d",&dz->wanted)!=1) {
				sprintf(errstr,"Cannot read wanted sent from TK\n");
				return(DATA_ERROR);
			}
			break;
		case(INPUT_WLENGTH+4):	
			if(sscanf(argv[cnt],"%d",&dz->wlength)!=1) {
				sprintf(errstr,"Cannot read wlength sent from TK\n");
				return(DATA_ERROR);
			}
			break;
		case(INPUT_OUT_CHANS+4):	
			if(sscanf(argv[cnt],"%d",&dz->out_chans)!=1) {
				sprintf(errstr,"Cannot read out_chans sent from TK\n");
				return(DATA_ERROR);
			}
			break;
			/* RWD these chanegs to samps - tk will have to deal with that! */
		case(INPUT_DESCRIPTOR_BYTES+4):	
			if(sscanf(argv[cnt],"%d",&dz->descriptor_samps)!=1) {
				sprintf(errstr,"Cannot read descriptor_samps sent from TK\n");
				return(DATA_ERROR);
			}
			break;
		case(INPUT_IS_TRANSPOS+4):	
			if(sscanf(argv[cnt],"%d",&dz->is_transpos)!=1) {
				sprintf(errstr,"Cannot read is_transpos sent from TK\n");
				return(DATA_ERROR);
			}
			break;
		case(INPUT_COULD_BE_TRANSPOS+4):	
			if(sscanf(argv[cnt],"%d",&dz->could_be_transpos)!=1) {
				sprintf(errstr,"Cannot read could_be_transpos sent from TK\n");
				return(DATA_ERROR);
			}
			break;
		case(INPUT_COULD_BE_PITCH+4):	
			if(sscanf(argv[cnt],"%d",&dz->could_be_pitch)!=1) {
				sprintf(errstr,"Cannot read could_be_pitch sent from TK\n");
				return(DATA_ERROR);
			}
			break;
		case(INPUT_DIFFERENT_SRATES+4):	
			if(sscanf(argv[cnt],"%d",&dz->different_srates)!=1) {
				sprintf(errstr,"Cannot read different_srates sent from TK\n");
				return(DATA_ERROR);
			}
			break;
		case(INPUT_DUPLICATE_SNDS+4):	
			if(sscanf(argv[cnt],"%d",&dz->duplicate_snds)!=1) {
				sprintf(errstr,"Cannot read duplicate_snds sent from TK\n");
				return(DATA_ERROR);
			}
			break;
		case(INPUT_BRKSIZE+4):	
			if(sscanf(argv[cnt],"%d",&inbrksize)!=1) {
				sprintf(errstr,"Cannot read brksize sent from TK\n");
				return(DATA_ERROR);
			}
			if(inbrksize > 0) {
				switch(dz->input_data_type) {
				case(WORDLIST_ONLY):
					break;
				case(PITCH_AND_PITCH):
				case(PITCH_AND_TRANSPOS):
				case(TRANSPOS_AND_TRANSPOS):
					dz->tempsize = inbrksize;
					break;
				case(BRKFILES_ONLY):
				case(UNRANGED_BRKFILE_ONLY):
				case(DB_BRKFILES_ONLY):
				case(ALL_FILES):
				case(ANY_NUMBER_OF_ANY_FILES):
					if(dz->extrabrkno < 0) {
						sprintf(errstr,"Storage location number for brktable not established by CDP.\n");
						return(DATA_ERROR);
					}
					if(dz->brksize == NULL) {
						sprintf(errstr,"CDP has not established storage space for input brktable.\n");
						return(PROGRAM_ERROR);
					}
					dz->brksize[dz->extrabrkno]	= inbrksize;
					break;
				default:
					sprintf(errstr,"TK sent brktablesize > 0 for input_data_type [%d] not using brktables.\n",
					dz->input_data_type);
					return(PROGRAM_ERROR);
				}
				break;
			}
			break;
		case(INPUT_NUMSIZE+4):	
			if(sscanf(argv[cnt],"%d",&dz->numsize)!=1) {
				sprintf(errstr,"Cannot read numsize sent from TK\n");
				return(DATA_ERROR);
			}
			break;
		case(INPUT_LINECNT+4):	
			if(sscanf(argv[cnt],"%d",&dz->linecnt)!=1) {
				sprintf(errstr,"Cannot read linecnt sent from TK\n");
				return(DATA_ERROR);
			}
			break;
		case(INPUT_ALL_WORDS+4):	
			if(sscanf(argv[cnt],"%d",&dz->all_words)!=1) {
				sprintf(errstr,"Cannot read all_words sent from TK\n");
				return(DATA_ERROR);
			}
			break;
		case(INPUT_ARATE+4):	
			if(sscanf(argv[cnt],"%f",&dz->infile->arate)!=1) {
				sprintf(errstr,"Cannot read arate sent from TK\n");
				return(DATA_ERROR);
			}
			break;
		case(INPUT_FRAMETIME+4):	
			if(sscanf(argv[cnt],"%lf",&dummy)!=1) {
				sprintf(errstr,"Cannot read frametime sent from TK\n");
				return(DATA_ERROR);
			}
			dz->frametime = (float)dummy;
			break;
		case(INPUT_WINDOW_SIZE+4):	
			if(sscanf(argv[cnt],"%f",&dz->infile->window_size)!=1) {
				sprintf(errstr,"Cannot read window_size sent from TK\n");
					return(DATA_ERROR);
			}
			break;
		case(INPUT_NYQUIST+4):	
			if(sscanf(argv[cnt],"%lf",&dz->nyquist)!=1) {
				sprintf(errstr,"Cannot read nyquist sent from TK\n");
				return(DATA_ERROR);
			}
			break;
		case(INPUT_DURATION+4):	
			if(sscanf(argv[cnt],"%lf",&dz->duration)!=1) {
				sprintf(errstr,"Cannot read duration sent from TK\n");
				return(DATA_ERROR);
			}
			break;
		case(INPUT_MINBRK+4):	
			if(sscanf(argv[cnt],"%lf",&dz->minbrk)!=1) {
				sprintf(errstr,"Cannot read minbrk sent from TK\n");
				return(DATA_ERROR);
			}
			break;
		case(INPUT_MAXBRK+4):	
			if(sscanf(argv[cnt],"%lf",&dz->maxbrk)!=1) {
				sprintf(errstr,"Cannot read maxbrk sent from TK\n");
				return(DATA_ERROR);
			}
			break;
		case(INPUT_MINNUM+4):	
			if(sscanf(argv[cnt],"%lf",&dz->minnum)!=1) {
				sprintf(errstr,"Cannot read minnum sent from TK\n");
				return(DATA_ERROR);
			}
			break;
		case(INPUT_MAXNUM+4):	
			if(sscanf(argv[cnt],"%lf",&dz->maxnum)!=1) {
				sprintf(errstr,"Cannot read maxnum sent from TK\n");
				return(DATA_ERROR);
			}
			break;
		default:
			sprintf(errstr,"case switch item missing: parse_sloom_data()\n");
			return(PROGRAM_ERROR);
		}
		cnt++;
	}
	if(cnt!=PRE_CMDLINE_DATACNT+1) {
		sprintf(errstr,"Insufficient pre-cmdline params sent from TK\n");
		return(DATA_ERROR);
	}

	if(true_cnt)
		cnt = true_cnt;
	*cmdlinecnt = 0;		

	while(cnt < argc) {
		if((exit_status = get_tk_cmdline_word(cmdlinecnt,cmdline,argv[cnt]))<0)
			return(exit_status);
		cnt++;
	}
	return(FINISHED);
}

/********************************* GET_TK_CMDLINE_WORD *********************************/

int get_tk_cmdline_word(int *cmdlinecnt,char ***cmdline,char *q)
{
	if(*cmdlinecnt==0) {
		if((*cmdline = (char **)malloc(sizeof(char *)))==NULL)	{
			sprintf(errstr,"INSUFFICIENT MEMORY for TK cmdline array.\n");
			return(MEMORY_ERROR);
		}
	} else {
		if((*cmdline = (char **)realloc(*cmdline,((*cmdlinecnt)+1) * sizeof(char *)))==NULL)	{
			sprintf(errstr,"INSUFFICIENT MEMORY for TK cmdline array.\n");
			return(MEMORY_ERROR);
		}
	}
	if(((*cmdline)[*cmdlinecnt] = (char *)malloc((strlen(q) + 1) * sizeof(char)))==NULL)	{
		sprintf(errstr,"INSUFFICIENT MEMORY for TK cmdline item %d.\n",(*cmdlinecnt)+1);
		return(MEMORY_ERROR);
	}
	strcpy((*cmdline)[*cmdlinecnt],q);
	(*cmdlinecnt)++;
	return(FINISHED);
}


/****************************** ASSIGN_FILE_DATA_STORAGE *********************************/

int assign_file_data_storage(int infilecnt,dataptr dz)
{
	int exit_status;
	int no_sndfile_system_files = FALSE;
	dz->infilecnt = infilecnt;
	if((exit_status = allocate_filespace(dz))<0)
		return(exit_status);
	if(no_sndfile_system_files)
		dz->infilecnt = 0;
	return(FINISHED);
}



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

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

void set_legal_infile_structure(dataptr dz)
{}

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

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

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

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

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

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


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

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

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

int get_the_process_no(char *prog_identifier_from_cmdline,dataptr dz)
{
	if(!strcmp(prog_identifier_from_cmdline,"scramble"))				dz->process = SCRUNCH;
	else {
		sprintf(errstr,"Unknown program identification string '%s'\n",prog_identifier_from_cmdline);
		return(USAGE_ONLY);
	}
	return(FINISHED);
}

/******************************** SETUP_AND_INIT_INPUT_BRKTABLE_CONSTANTS ********************************/

int setup_and_init_input_brktable_constants(dataptr dz,int brkcnt)
{	
	int n;
	if((dz->brk      = (double **)malloc(brkcnt * sizeof(double *)))==NULL) {
		sprintf(errstr,"setup_and_init_input_brktable_constants(): 1\n");
		return(MEMORY_ERROR);
	}
	if((dz->brkptr   = (double **)malloc(brkcnt * sizeof(double *)))==NULL) {
		sprintf(errstr,"setup_and_init_input_brktable_constants(): 6\n");
		return(MEMORY_ERROR);
	}
	if((dz->brksize  = (int    *)malloc(brkcnt * sizeof(int)))==NULL) {
		sprintf(errstr,"setup_and_init_input_brktable_constants(): 2\n");
		return(MEMORY_ERROR);
	}
	if((dz->firstval = (double  *)malloc(brkcnt * sizeof(double)))==NULL) {
		sprintf(errstr,"setup_and_init_input_brktable_constants(): 3\n");
		return(MEMORY_ERROR);												  
	}
	if((dz->lastind  = (double  *)malloc(brkcnt * sizeof(double)))==NULL) {
		sprintf(errstr,"setup_and_init_input_brktable_constants(): 4\n");
		return(MEMORY_ERROR);
	}
	if((dz->lastval  = (double  *)malloc(brkcnt * sizeof(double)))==NULL) {
		sprintf(errstr,"setup_and_init_input_brktable_constants(): 5\n");
		return(MEMORY_ERROR);
	}
	if((dz->brkinit  = (int     *)malloc(brkcnt * sizeof(int)))==NULL) {
		sprintf(errstr,"setup_and_init_input_brktable_constants(): 7\n");
		return(MEMORY_ERROR);
	}
	for(n=0;n<brkcnt;n++) {
		dz->brk[n]     = NULL;
		dz->brkptr[n]  = NULL;
		dz->brkinit[n] = 0;
		dz->brksize[n] = 0;
	}
	return(FINISHED);
}

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

int usage2(char *str)
{
	if(!strcmp(str,"scramble")) {
		fprintf(stderr,
	    "USAGE:\n"
	    "scramble scramble 1-2   infile outfile dur  seed [-ccnt] [-ttrns] [-aatten]\n"
	    "scramble scramble 3-4   infile outfile      seed [-ccnt] [-ttrns] [-aatten]\n"
	    "scramble scramble 5-8   infile outfile cuts seed [-ccnt] [-ttrns] [-aatten]\n"
	    "scramble scramble 9-10  infile outfile      seed [-ccnt] [-ttrns] [-aatten]\n"
	    "scramble scramble 11-14 infile outfile cuts seed [-ccnt] [-ttrns] [-aatten]\n"
		"\n"
		"Scramble order of waveset in src.\n"
		"\n"
		"DUR   Duration of output file.\n"
		"SEED  Random seed (0-256). Same seed with same rand-params gives same output.\n"
		"CNT   Number of wavesets in waveset-groups to be scrambled. (Range 1 to 256)\n"
		"TRNS  Range of any random transposition of wavesets (semitones) (Range 0 to 12).\n"
		"ATTEN Range of any random attenuation of wavesets (Range 0 to 1).\n"
		"CUTS  Textfile of (increasing) times in src: process in each separate segment.\n"
		"\n"
		"\"TRNS\" and \"ATTEN\" can vary through (output) time.\n"
		"\n"
		"Reassembly is ....\n"
		"Mode 1:  in random order.\n"
		"Mode 2:  in permuted random order (all wavesets used before any reused).\n"
		"Mode 3:  in order of increasing size (falling pitch).\n"
		"Mode 4:  in order of decreasing size (rising pitch).\n"
		"Mode 5:  in order of increasing size, in each segment.\n"
		"Mode 6:  in order of decreasing size, in each segment.\n"
		"Mode 7:  in order of increasing then decreasing size.\n"
		"Mode 8:  in order of decreasing then increasing size.\n"
		"Mode 9:  in order of increasing level.\n"
		"Mode 10: in order of decreasing level.\n"
		"Mode 11: in order of increasing level, in each segment.\n"
		"Mode 12: in order of decreasing level, in each segment.\n"
		"Mode 13: in order of increasing then decreasing level.\n"
		"Mode 14: in order of decreasing then increasing level.\n"
		"\n");
	} else
		fprintf(stdout,"Unknown option '%s'\n",str);
	return(USAGE_ONLY);
}

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

/******************************** SCRAMBLE ********************************/

int scramble(dataptr dz)
{
	int exit_status, phase, phasecnt, do_swap, gpcnt, increase = 0, *permm;
	int n, segcnt, k, kend = 0, kstart = 0, beyond, j, outsamps, wcnt, s, e, ss, ee, lastbuf_start, coasting, coasting_start = 0, coasting_end;
	int len, lena, lenb, cnt, ibufstart, obufpos, thisbuf, lastbuf, smpsout, temps, tempe, smp_segend, *wset_store;
	float *ibuf = dz->sampbuf[0], *obuf = dz->sampbuf[2];
	double amp, incr, time, leva, levb, srate = (double)dz->infile->srate;
	double *segtime = NULL, *level = NULL;

	srand(dz->iparam[SCR_SEED]);
	switch(dz->mode) {
	case(4):	case(5):	case(6):	case(7):
	case(10):	case(11):	case(12):	case(13):
		segtime = dz->parray[0];
		break;
	}
	outsamps = (int)round(dz->param[0] * srate);

	fprintf(stdout,"INFO: Counting wavesets.\n");
	fflush(stdout);
	dz->total_samps_read = 0;
	n = 0;
	wcnt = 0;
	phase = 0;
	phasecnt = 0;
	gpcnt = dz->iparam[SCR_CNT] * 2;
	dz->total_samps_read = 0;
	do {
		lastbuf_start = dz->total_samps_read;
		if((exit_status = read_samps(ibuf,dz))<0)
			return exit_status;
		n = 0;
		while(n < dz->ssampsread) {
			if(ibuf[n] == 0.0)
				;
			else {
				switch(phase) {
				case(0):
					if(ibuf[n] > 0.0)
						phase = 1;
					else
						phase = -1;
					wcnt++;
					break;
				case(1):
					if(ibuf[n] < 0.0) {
						if(++phasecnt >= gpcnt) {
							wcnt++;
							phasecnt = 0;
						}
						phase = -1;
					}
					break;
				case(-1):
					if(ibuf[n] > 0.0) {
						if(++phasecnt >= gpcnt) {
							wcnt++;
							phasecnt = 0;
						}
						phase = 1;
					}
					break;
				}
			}
			n++;
		}
	} while(dz->ssampsread > 0);

	if((dz->lparray = (int **)malloc(sizeof(int *)))==NULL) {
		sprintf(errstr,"INSUFFICIENT MEMORY to create data storage.\n");
		return(MEMORY_ERROR);
	}
	if((dz->lparray[0] = (int *)malloc((wcnt * 2) * sizeof(int)))==NULL) {
		sprintf(errstr,"INSUFFICIENT MEMORY to store waveset coordinates.\n");
		return(MEMORY_ERROR);
	}
	wset_store = dz->lparray[0];
	if((permm = (int *)malloc(wcnt * sizeof(int)))==NULL) {
		sprintf(errstr,"Insufficient memory to create segment-order permutation store.\n");
		return(MEMORY_ERROR);
	}																
	if(dz->mode >= 8) {
		if((level = (double *)malloc(wcnt * sizeof(double)))==NULL) {
			sprintf(errstr,"Insufficient memory to create segment-levels store.\n");
			return(MEMORY_ERROR);
		}																
	}
	fprintf(stdout,"INFO: Storing waveset coordinates.\n");
	fflush(stdout);
		
	dz->total_samps_read = 0;
	n = 0;
	phase = 0;
	phasecnt = 0;
	k = 0;
	sndseekEx(dz->ifd[0],0,0);
	dz->total_samps_read = 0;
	do {
		lastbuf_start = dz->total_samps_read;
		if((exit_status = read_samps(ibuf,dz))<0)
			return exit_status;
		n = 0;
		while(n < dz->ssampsread) {
			if(ibuf[n] == 0.0)
				;
			else {
				switch(phase) {
				case(0):
					if(ibuf[n] > 0.0)
						phase = 1;
					else
						phase = -1;
					wset_store[k++] = n + lastbuf_start;
					wset_store[k++] = n + lastbuf_start;
					break;
				case(1):
					if(ibuf[n] < 0.0) {
						if(++phasecnt >= gpcnt) {
							wset_store[k++] = n + lastbuf_start;
							wset_store[k++] = n + lastbuf_start;
							phasecnt = 0;
						}
						phase = -1;
					}
					break;
				case(-1):
					if(ibuf[n] > 0.0) {
						if(++phasecnt >= gpcnt) {
							wset_store[k++] = n + lastbuf_start;
							wset_store[k++] = n + lastbuf_start;
							phasecnt = 0;
						}
						phase = 1;
					}
					break;
				}
			}
			n++;
		}
	} while(dz->ssampsread > 0);

	for(k = 1; k < wcnt * 2; k++)			//	Lose duplication of first waveset start
		wset_store[k-1] = wset_store[k];	//	Duplication of end wavset end will be ignored
	wcnt--;

	fprintf(stdout,"INFO: Trimming waveset coordinates.\n");
	fflush(stdout);
	dz->total_samps_read = 0;
	n = 0;
	coasting = 0;
	k = 0;
	sndseekEx(dz->ifd[0],0,0);
	dz->total_samps_read = 0;
	do {
		lastbuf_start = dz->total_samps_read;
		if((exit_status = read_samps(ibuf,dz))<0)
			return exit_status;
		n = 0;
		while(n < dz->ssampsread) {
			if(ibuf[n] == 0.0) {
				if(!coasting)							//	Count any blocks of zero-signal
					coasting_start = n + lastbuf_start;
				coasting++;
				n++;
			} else if(coasting) {						//	If there is zero signal at end of waveset
				coasting_end = n + lastbuf_start;		//	Snip it off the waveset
				for(k=2;k<wcnt;k+=2) {
					if(wset_store[k] == coasting_end)
						wset_store[k-1] = coasting_start;
					else if(wset_store[k] > coasting_end)
						break;
				}
				coasting = 0;
			}
			n++;
		}
	} while(dz->ssampsread > 0);

	if(dz->mode >= 8) {
		if((exit_status = get_levels(wset_store,wcnt,level,dz))<0)
			return exit_status;
	}
	dz->total_samps_read = 0;
	cnt = 0;
	obufpos = 0;
	lastbuf = -1;
	sndseekEx(dz->ifd[0],0,0);

	switch(dz->mode) {
	case(1):
		rndpermm(wcnt,permm);
		//	fall thro
	case(0):
		fprintf(stdout,"INFO: Generating output sound.\n");
		fflush(stdout);
		while((smpsout = dz->total_samps_written + obufpos) < outsamps) {
			time = (int)round(smpsout * srate);
			if(dz->mode == 1) {
				k = permm[cnt];
				if(++cnt >= wcnt) {
					rndpermm(wcnt,permm);
					cnt = 0;
				}
			} else 
				k = (int)floor(drand48() * wcnt);
			s = k*2;
			e = s+1;
			len = wset_store[e] - wset_store[s];
			thisbuf = wset_store[s]/dz->buflen;
			if(thisbuf != lastbuf) {
				sndseekEx(dz->ifd[0],thisbuf * dz->buflen,0);
				n = 0;
				dz->buflen *= 2;
				memset((char *)ibuf,0,dz->buflen * sizeof(float));
				if((exit_status = read_samps(ibuf,dz))<0)			//	Read a double buff
					return exit_status;
				dz->buflen /= 2;
				lastbuf = thisbuf;
			}
			ibufstart = wset_store[s] - (thisbuf * dz->buflen);
			if((exit_status = read_values_from_all_existing_brktables(time,dz))<0)
				return exit_status;
			if(dz->param[SCR_ATTEN] > 0.0)
				amp = 1.0 - (drand48() * dz->param[SCR_ATTEN]);
			else
				amp = 1.0;
			if(dz->param[SCR_TRNS] > 0.0) {
				incr = (drand48() * 2.0) - 1.0;
				incr *= dz->param[SCR_TRNS];
				incr = pow(2.0,incr/SEMITONES_PER_OCTAVE);
			} else
				incr = 1.0;
			if((exit_status = write_waveset(&obufpos,&thisbuf,ibufstart,len,amp,incr,dz))<0)
				return exit_status;
		}
		break;
	case(2):
	case(3):
	case(8):
	case(9):
		fprintf(stdout,"INFO: Sorting wavesets.\n");
		fflush(stdout);
		switch(dz->mode)  {
		case(2):
		case(3):
			for(k=0,s=0,e=1; k < wcnt-1; k++,s+=2,e+=2) {					//	Sort wavesets for size
				lena = wset_store[e] - wset_store[s];
				for(j=k+1,ss = s+2,ee=e+2; j < wcnt; j++,ss+=2,ee+=2) {
					lenb = wset_store[ee] - wset_store[ss];
					do_swap = 0;
					if(dz->mode == 2) {
						if(lenb < lena)
							do_swap = 1;
					} else  {
						if(lenb > lena)
							do_swap = 1;
					}
					if(do_swap) {
						temps = wset_store[s];
						tempe = wset_store[e];
						wset_store[s] = wset_store[ss];
						wset_store[e] = wset_store[ee];
						wset_store[ss] = temps;
						wset_store[ee] = tempe;
						lena  = lenb;
					}
				}
			}
			break;
		default:
			for(k=0,s=0,e=1; k < wcnt-1; k++,s+=2,e+=2) {					//	Sort wavesets for level
				leva = level[k];
				for(j=k+1,ss = s+2,ee=e+2; j < wcnt; j++,ss+=2,ee+=2) {
					levb = level[j];
					do_swap = 0;
					if(dz->mode == 8) {
						if(levb < leva)
							do_swap = 1;
					} else  {
						if(levb > leva)
							do_swap = 1;
					}
					if(do_swap) {
						temps = wset_store[s];
						tempe = wset_store[e];
						wset_store[s] = wset_store[ss];
						wset_store[e] = wset_store[ee];
						wset_store[ss] = temps;
						wset_store[ee] = tempe;
						level[k] = levb;
						level[j] = leva;
						leva = levb;
					}
				}
			}
			break;
		}
		fprintf(stdout,"INFO: Generating output sound.\n");
		fflush(stdout);
		obufpos = 0;
		for(k=0,s=0,e=1;k < wcnt;k++,s+=2,e+=2) {
			smpsout = dz->total_samps_written + obufpos;
			time = (int)round(smpsout * srate);
			len = wset_store[e] - wset_store[s];
			thisbuf = wset_store[s]/dz->buflen;
			if(thisbuf != lastbuf) {
				sndseekEx(dz->ifd[0],thisbuf * dz->buflen,0);
				dz->buflen *= 2;
				memset((char *)ibuf,0,dz->buflen * sizeof(float));
				if((exit_status = read_samps(ibuf,dz))<0)			//	Read a double buff
					return exit_status;
				dz->buflen /= 2;
				lastbuf = thisbuf;
			}
			ibufstart = wset_store[s] - (thisbuf * dz->buflen);
			if((exit_status = read_values_from_all_existing_brktables(time,dz))<0)
				return exit_status;
			if(dz->param[SCR_ATTEN] > 0.0)
				amp = 1.0 - (drand48() * dz->param[SCR_ATTEN]);
			else
				amp = 1.0;
			if(dz->param[SCR_TRNS] > 0.0) {
				incr = (drand48() * 2.0) - 1.0;
				incr *= dz->param[SCR_TRNS];
				incr = pow(2.0,incr/SEMITONES_PER_OCTAVE);
			} else
				incr = 1.0;
			if((exit_status = write_waveset(&obufpos,&lastbuf,ibufstart,len,amp,incr,dz))<0)
				return exit_status;
		}
		break;
	default:
		switch(dz->mode) {
		case(4):	//	fall thro		//	Sort for increase in waveset size
		case(6):	//	fall thro		//	Initially sort for increase in waveset size
		case(10):	//	fall thro		//	Sort for increase in waveset level
		case(12): increase = 1;	break;	//	Initially sort for increase in waveset level
		case(5):	//	fall thro		//	Sort for decrease in waveset size
		case(7):	//	fall thro		//	Initially sort for decrease in waveset size
		case(11):	//	fall thro		//	Sort for decrease in waveset level
		case(13): increase = -1; break;	//	Initially sort for decrease in waveset level
		}
		obufpos = 0;
		kstart = 0;
		for(segcnt = 0;segcnt < dz->itemcnt; segcnt++) {			//	For each specified segment
			smp_segend = (int)round(segtime[segcnt] * srate);
			fprintf(stdout,"INFO: Choosing wavesets for segment %d.\n",segcnt+1);
			fflush(stdout);											//	Select wavesets to use

			kend = -1;
			for(k=kstart,s=kstart*2; k < wcnt; k++,s+=2) {
				if((beyond = wset_store[s] - smp_segend) >= 0) {	//	Find waveset starting at or beyond segtime
					kend = k;											
					if(k > 0 &&  (smp_segend - wset_store[s-2]) < beyond) {
						if(kend-1 > kstart)							//	If previous seg-start is nearer to desired seg-cut time, use that
							kend--;
					}
					break;
				}
			}
			if(kend < 0)
				kend = wcnt-1;

			fprintf(stdout,"INFO: Sorting wavesets in segment %d.\n",segcnt+1);
			fflush(stdout);											
			switch(dz->mode) {
			case(4):	case(5):	case(6):	case(7):			//	Sort wavesets for size
				for(k=kstart,s=kstart*2,e=(kstart*2)+1; k < kend-1; k++,s+=2,e+=2) {
					lena = wset_store[e] - wset_store[s];
					for(j=k+1,ss = s+2,ee=e+2; j < kend; j++,ss+=2,ee+=2) {
						lenb = wset_store[ee] - wset_store[ss];
						do_swap = 0;
						if(increase > 0) {
							if(lenb < lena)
								do_swap = 1;
						} else  {
							if(lenb > lena)
								do_swap = 1;
						}
						if(do_swap) {
							temps = wset_store[s];
							tempe = wset_store[e];
							wset_store[s] = wset_store[ss];
							wset_store[e] = wset_store[ee];
							wset_store[ss] = temps;
							wset_store[ee] = tempe;
							lena  = lenb;
						}
					}
				}
				break;
			default:												//	Sort wavesets for level
				for(k=kstart,s=kstart*2,e=(kstart*2)+1; k < kend-1; k++,s+=2,e+=2) {
					leva = level[k];
					for(j=k+1,ss = s+2,ee=e+2; j < kend; j++,ss+=2,ee+=2) {
						levb = level[j];
						do_swap = 0;
						if(increase > 0) {
							if(levb < leva)
								do_swap = 1;
						} else  {
							if(levb > leva)
								do_swap = 1;
						}
						if(do_swap) {
							temps = wset_store[s];
							tempe = wset_store[e];
							wset_store[s] = wset_store[ss];
							wset_store[e] = wset_store[ee];
							wset_store[ss] = temps;
							wset_store[ee] = tempe;
							level[k] = levb;
							level[j] = leva;
							leva  = levb;
						}
					}
				}
				break;
			}
			fprintf(stdout,"INFO: Generating output sound for segment %d.\n",segcnt+1);
			fflush(stdout);
			for(k=kstart,s=kstart*2,e=(kstart*2)+1;k < kend;k++,s+=2,e+=2) {
				smpsout = dz->total_samps_written + obufpos;
				time = (int)round(smpsout * srate);
				len = wset_store[e] - wset_store[s];
				thisbuf = wset_store[s]/dz->buflen;
				if(thisbuf != lastbuf) {
					sndseekEx(dz->ifd[0],thisbuf * dz->buflen,0);
					dz->buflen *= 2;					
					memset((char *)ibuf,0,dz->buflen * sizeof(float));
					if((exit_status = read_samps(ibuf,dz))<0)			//	Read a double buff
						return exit_status;
					dz->buflen /= 2;
					lastbuf = thisbuf;
				}
				ibufstart = wset_store[s] - (thisbuf * dz->buflen);
				if((exit_status = read_values_from_all_existing_brktables(time,dz))<0)
					return exit_status;
				if(dz->param[SCR_ATTEN] > 0.0)
					amp = 1.0 - (drand48() * dz->param[SCR_ATTEN]);
				else
					amp = 1.0;
				if(dz->param[SCR_TRNS] > 0.0) {
					incr = (drand48() * 2.0) - 1.0;
					incr *= dz->param[SCR_TRNS];
					incr = pow(2.0,incr/SEMITONES_PER_OCTAVE);
				} else
					incr = 1.0;
				if((exit_status = write_waveset(&obufpos,&lastbuf,ibufstart,len,amp,incr,dz))<0)
					return exit_status;
			}
			kstart = kend;
			if(kstart == wcnt - 1)										//	No more segments
				break;
			switch(dz->mode) {
			case(6):	//	fall thro
			case(7):	//	fall thro
			case(12):	//	fall thro
			case(13): increase = -increase;	break;
			}
		}
		break;
	}
	if(obufpos > 0) {
		if((exit_status = write_samps(obuf,obufpos,dz))<0)
			return(exit_status);
	}
	return FINISHED;
}

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

int get_the_mode_from_cmdline(char *str,dataptr dz)
{
	char temp[200], *p;
	if(sscanf(str,"%s",temp)!=1) {
		sprintf(errstr,"Cannot read mode of program.\n");
		return(USAGE_ONLY);
	}
	p = temp + strlen(temp) - 1;
	while(p >= temp) {
		if(!isdigit(*p)) {
			fprintf(stderr,"Invalid mode of program entered.\n");
			return(USAGE_ONLY);
		}
		p--;
	}
	if(sscanf(str,"%d",&dz->mode)!=1) {
		fprintf(stderr,"Cannot read mode of program.\n");
		return(USAGE_ONLY);
	}
	if(dz->mode <= 0 || dz->mode > dz->maxmode) {
		fprintf(stderr,"Program mode value [%d] is out of range [1 - %d].\n",dz->mode,dz->maxmode);
		return(USAGE_ONLY);
	}
	dz->mode--;		/* CHANGE TO INTERNAL REPRESENTATION OF MODE NO */
	return(FINISHED);
}

/*************************** RNDPERMM ********************************/

void rndpermm(int permlen,int *permm)
{
	int n, t;
	for(n=0;n<permlen;n++) {		/* 1 */
		t = (int)(drand48() * (double)(n+1));		/* 2 */
		if(t==n)
			prefix(n,permlen,permm);
		else
			insert(n,t,permlen,permm);
	}
}

/***************************** INSERT **********************************
 *
 * Insert the value m AFTER the T-th element in permm[pindex].
 */

void insert(int m,int t,int permlen,int *permm)
{   
	shuflup(t+1,permlen,permm);
	permm[t+1] = m;
}

/***************************** PREFIX ************************************
 *
 * Insert the value m at start of the permutation permm[pindex].
 */

void prefix(int m,int permlen,int *permm)
{
	shuflup(0,permlen,permm);
	permm[0] = m;
}

/****************************** SHUFLUP ***********************************
 *
 * move set members in permm[pindex] upwards, starting from element k.
 */

void shuflup(int k,int permlen, int *permm)
{
	int n, *i;
	int z = permlen - 1;
	i = permm + z;
	for(n = z;n > k;n--) {
		*i = *(i-1);
		i--;
	}
}

/****************************** WRITE_WAVESET ***********************************/

int write_waveset(int *obufpos,int *lastbuf,int ibufstart,int len,double amp,double incr,dataptr dz)
{
	int exit_status;
	float *ibuf = dz->sampbuf[0], *ovflwbuf = dz->sampbuf[1], *obuf = dz->sampbuf[2];
	double d, dibufpos, frac, diff, val;
	int ibufpos;
	d = 0.0;
	dibufpos = (double)ibufstart;
	while(d < len) {
		ibufpos = (int)floor(dibufpos);
		if(ibufpos >= dz->buflen) {
			memcpy((char *)ibuf,(char *)ovflwbuf,dz->buflen * sizeof(float));
			memset((char *)ovflwbuf,0,dz->buflen * sizeof(float));
			if((dz->ssampsread = fgetfbufEx(ovflwbuf,dz->buflen,dz->ifd[0],0)) < 0) {
				sprintf(errstr,"Can't read samples from input soundfile.\n");
				return(SYSTEM_ERROR);
			}
			ibufpos  -= dz->buflen;
			dibufpos -= (double)dz->buflen;
			(*lastbuf)++;
		}
		frac = dibufpos - (double)ibufpos;
		val  = ibuf[ibufpos];
		diff = ibuf[ibufpos+1] - val;
		val += frac * diff;
		obuf[(*obufpos)++] = (float)(val * amp);
		if(*obufpos >= dz->buflen) {
			if((exit_status = write_samps(obuf,dz->buflen,dz))<0)
				return(exit_status);
			*obufpos = 0;
		}
		d += incr;
		dibufpos += incr;
	}
	return FINISHED;
}

/**************************** HANDLE_THE_SPECIAL_DATA ****************************/

int handle_the_special_data(char *str,dataptr dz)
{
	int done = 0;
	double dummy = 0.0, lasttime;
	FILE *fp;
	int cnt = 0, linecnt;
	char temp[800], *p;

	if((fp = fopen(str,"r"))==NULL) {
		sprintf(errstr,"Cannot open file %s to read times.\n",str);
		return(DATA_ERROR);
	}
	linecnt = 0;
	lasttime = -1.0;
	while(fgets(temp,200,fp)!=NULL) {
		p = temp;
		while(isspace(*p))
			p++;
		if(*p == ';' || *p == ENDOFSTR)	//	Allow comments in file
			continue;
		while(get_float_from_within_string(&p,&dummy)) {
			if(cnt == 0) {
				if(dummy <= 0.0) {
					sprintf(errstr,"Invalid time (%lf) on line %d in file %s. Must be greater than zero.\n",dummy,linecnt+1,str);
					return(DATA_ERROR);
				}
			} else if(dummy <= lasttime) {
				sprintf(errstr,"Times (%lf & %lf) do not advance in at line %d in file %s.\n",lasttime, dummy,linecnt,str);
				return(DATA_ERROR);
			} else if(dummy >= dz->duration) {
				fprintf(stdout,"WARNING: Time (%lf) too near or beyond end of source-file, at line %d in file %s.\n",dummy,linecnt+1,str);
				fprintf(stdout,"WARNING: Ignoring data at and after this time.\n");
				fflush(stdout);
				done = 1;
				break;
			}
			lasttime = dummy;
			cnt++;
		}
		if(done)
			break;
		linecnt++;
	}
	if(cnt == 0) {
		sprintf(errstr,"No valid data found in file %s.\n",str);
		return(DATA_ERROR);
	}
	if(!flteq(lasttime,dz->duration))
		cnt++;
	dz->itemcnt = cnt;
	if((dz->parray = (double **)malloc(sizeof(double *)))==NULL) {
		sprintf(errstr,"INSUFFICIENT MEMORY to create slice-time-data storage. (1)\n");
		return(MEMORY_ERROR);
	}
	if((dz->parray[0] = (double *)malloc(dz->itemcnt * sizeof(double)))==NULL) {
		sprintf(errstr,"INSUFFICIENT MEMORY to create slice-time-data storage. (2)\n");
		return(MEMORY_ERROR);
	}
	fseek(fp,0,0);
	cnt = 0;
	done = 0;
	while(fgets(temp,200,fp)!=NULL) {
		p = temp;
		while(isspace(*p))
			p++;
		if(*p == ';' || *p == ENDOFSTR)	//	Allow comments in file
			continue;
		while(get_float_from_within_string(&p,&dummy)) {
			dz->parray[0][cnt] = dummy;
			if(++cnt >= dz->itemcnt) {
				done = 1;
				break;
			}
		}
		if(done)
			break;
	}
	if(!flteq(lasttime,dz->duration))
		dz->parray[0][cnt] = dz->duration;
	fclose(fp);
	return FINISHED;
}

/******************************************** GET_LEVELS *****************************/

int get_levels(int *wset_store,int wcnt,double *level,dataptr dz)
{
	int exit_status;
	float *ibuf = dz->sampbuf[0];
	double maxsamp, val;
	int n, s, e, k, last_samps_read, startsamp, endsamp;
	last_samps_read = 0;
	dz->total_samps_read = 0;
	sndseekEx(dz->ifd[0],0,0);
	if((exit_status = read_samps(ibuf,dz))<0)
		return exit_status;
	for(n=0,s=0,e=1;n < wcnt;n++,s+=2,e+=2) {
		while((startsamp = wset_store[s] - last_samps_read) >= dz->buflen) {
			last_samps_read = dz->total_samps_read;
			if((exit_status = read_samps(ibuf,dz))<0)
				return exit_status;
		}
		endsamp = wset_store[e] - last_samps_read;
		maxsamp = 0.0;
		for(k=startsamp;k < endsamp;k++) {
			if(k >= dz->buflen) {
				last_samps_read = dz->total_samps_read;
				if((exit_status = read_samps(ibuf,dz))<0)
					return exit_status;
				endsamp -= dz->buflen;
				k = 0;
			}
			val = fabs(ibuf[k]);
			if(val > maxsamp)
				maxsamp = val;
		}
		level[n] = maxsamp;
	}
	return FINISHED;
}