ComposerDesktopProject/dev/standalone/peakfind.c

/*
 * Copyright (c) 1983-2013 Trevor Wishart and Composers Desktop Project Ltd
 * http://www.trevorwishart.co.uk
 * http://www.composersdesktop.com
 *
 This file is part of the CDP System.

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

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

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



#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 <ctype.h>
#include <sfsys.h>
#include <string.h>
#include <srates.h>

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

char errstr[2400];

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

const char* cdp_version = "7.1.0";

#define HALF_LOCALMAX_WINDOW (LOCALMAX_WINDOW/2)
#define LOCALPEAK_DECIMATE (5)
#define LOCALPEAK_SAFETY (20) 

#define PEAKER_WINSIZE 0
#define PEAKER_THRESHOLD 1

//CDP LIB REPLACEMENTS
static int check_peaker_param_validity_and_consistency(dataptr dz);
static int setup_peaker_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_peaker_param_ranges_and_defaults(dataptr dz);
static int create_peaker_sndbufs(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 setup_and_init_input_brktable_constants(dataptr dz,int brkcnt);
static int peakfind(dataptr dz);
static double get_interpeak_min(int last_max_loc,int local_max_loc,int winsize,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--;
		// setup_particular_application =
		if((exit_status = setup_peaker_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_peaker_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()		redundant
 
	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_peaker_param_validity_and_consistency(dz))<0) {
		print_messages_and_close_sndfiles(exit_status,is_launched,dz);
		return(FAILED);
	}
	is_launched = TRUE;
	dz->bufcnt = 2;
	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_peaker_sndbufs(dz))<0) {
		print_messages_and_close_sndfiles(exit_status,is_launched,dz);
		return(FAILED);
	}
	//param_preprocess()						redundant
	//spec_process_file =
	if((exit_status = peakfind(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(!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_PEAKER_APPLICATION *******************/

int setup_peaker_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((exit_status = set_param_data(ap,0   ,1,1,"d"))<0)
		return(FAILED);
	if((exit_status = set_vflgs(ap,"",0,"","t",1,1,"d"))<0)
		return(FAILED);
	// set_legal_infile_structure -->
	dz->has_otherfile = FALSE;
	// assign_process_logic -->
	dz->input_data_type = SNDFILES_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 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((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_GATE_PARAM_RANGES_AND_DEFAULTS *******************/

int setup_peaker_param_ranges_and_defaults(dataptr dz)
{
	int exit_status;
	aplptr ap = dz->application;
	// set_param_ranges()
	ap->total_input_param_cnt = (char)(ap->max_param_cnt + ap->option_cnt + ap->variant_param_cnt);
	// NB total_input_param_cnt is > 0 !!!
	if((exit_status = setup_input_param_range_stores(ap->total_input_param_cnt,ap))<0)
		return(FAILED);
	// get_param_ranges()
	ap->lo[0]	= 1;
	ap->hi[0]	= 500;
	ap->default_val[0]	= 100;
	ap->lo[1]	= 0.0;
	ap->hi[1]	= 1.0;
	ap->default_val[1] = 0.0;
	dz->maxmode = 0;
	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_peaker_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("peakfind");
	return(USAGE_ONLY);
}

/**************************** CHECK_PEAKER_PARAM_VALIDITY_AND_CONSISTENCY *****************************/

int check_peaker_param_validity_and_consistency(dataptr dz)
{
	if(dz->brksize[PEAKER_WINSIZE] == 0) {
		dz->iparam[PEAKER_WINSIZE] = (int)round(dz->param[PEAKER_WINSIZE] * MS_TO_SECS * dz->infile->srate);
		dz->iparam[PEAKER_WINSIZE] *= dz->infile->channels;
	}
	return FINISHED;
}

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

int get_the_process_no(char *prog_identifier_from_cmdline,dataptr dz)
{
	if(!strcmp(prog_identifier_from_cmdline,"peakfind"))				dz->process = PEAKFIND;
	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,"peakfind")) {
		fprintf(stderr,
	    "USAGE:\n"
	    "peakfind peakfind infile outfile windowsize [-tthreshold]\n"
		"\n"
		"Find times of peaks in a sound. Output as a textfile list if times.\n"
		"\n"
		"WINDOWSIZE windowsize in mS for locating succesive peaks.\n"
		"THRESHOLD  level (range 0-1) below which peaks are ignored in any window.\n"
		"\n"
		"If threshold is not set (or is set to zero)\n"
        "peak windows below 1/%d of the local maximum are ignored,\n"
		"where local max is measured over %d windows.\n",LOCALPEAK_DECIMATE,LOCALMAX_WINDOW);
	} 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);
}

/******************************** PEAKFIND ********************************/

int peakfind(dataptr dz)
{
	int exit_status, chans = dz->infile->channels;
	int n, k, peakcnt, arraysize, write_end, bufstart, wincnt;
	int localmaxwindow_stt, localmaxwindow_end, localwindow_stt, localwindow_end, local_max_loc, last_max_loc;
	int last_localmaxwindow_stt, real_last_localmaxwindow_stt = -1, localwindow_centre, brkminsamps;
	float *local_threshold;
	double *peaks, local_max, last_max, local_min, brkmin, time;
	double time_convertor = 1.0/(double)dz->infile->srate;

	if(dz->brksize[0] == 0)
		arraysize = (int)ceil((double)dz->insams[0]/(double)dz->iparam[PEAKER_WINSIZE]);
	else {
		if((exit_status = get_minvalue_in_brktable(&brkmin,0,dz))<0)
			return(exit_status);
		brkminsamps = (int)round(brkmin * MS_TO_SECS * dz->infile->srate);
		brkminsamps *= dz->infile->channels;
		arraysize = (int)ceil((double)dz->insams[0]/brkminsamps);
	}
	arraysize +=  LOCALPEAK_SAFETY; //SAFETY
	if((local_threshold  = (float *)malloc(arraysize * sizeof(float)))==NULL) {
		sprintf(errstr,"Failed to allocate memory for local threshold calculations.\n");
		return(MEMORY_ERROR);
	}
	if((peaks  = (double *)malloc(arraysize * sizeof(double)))==NULL) {
		sprintf(errstr,"Failed to allocate memory for peak-times.\n");
		return(MEMORY_ERROR);
	}
	if(dz->param[1] > 0.0) {
		for(n = 0;n < arraysize; n++)
			local_threshold[n] = (float)dz->param[1];

	} else {
		if((arraysize - LOCALPEAK_SAFETY) <= LOCALMAX_WINDOW) {
			sprintf(errstr,"File too short to scan peaks without a threshold value (> 0.0) being entered.\n");
			return(DATA_ERROR);
		}
		dz->buflen *= 2;
		if((exit_status = read_samps(dz->sampbuf[0],dz))<0)	// Read two bufs at start
			return(exit_status);
		write_end = dz->ssampsread;
		dz->buflen /= 2;
		bufstart = 0;
		wincnt = 0;
		localmaxwindow_stt = 0;
		last_localmaxwindow_stt = 0;
		if(dz->brksize[0] > 0) {
			if((exit_status = read_values_from_all_existing_brktables(0.0,dz)) < 0)
				return(exit_status);
			dz->iparam[PEAKER_WINSIZE] = (int)round(dz->param[PEAKER_WINSIZE] * MS_TO_SECS * dz->infile->srate);
			dz->iparam[PEAKER_WINSIZE] *= dz->infile->channels;
		}
		localwindow_centre = 0;
		fprintf(stdout,"INFO: Scanning file to set local threshold values.\n");
		fflush(stdout);
		for(;;) {
			if(wincnt < HALF_LOCALMAX_WINDOW) {
				localmaxwindow_stt = 0;
				localmaxwindow_end = LOCALMAX_WINDOW * dz->iparam[PEAKER_WINSIZE];	// Until we reach middle of the first threshold-scanning window
				if(localmaxwindow_end + bufstart > dz->insams[0]) {				// Calculate threshold for a complete window starting at file start
					localmaxwindow_end = write_end;
				}
				if(localmaxwindow_end > write_end) {
					sprintf(errstr,"Buffer overflow 1.\n");
					return(PROGRAM_ERROR);
				}
			} else {
				last_localmaxwindow_stt = localmaxwindow_stt;					//	Remember start of last window
				localmaxwindow_stt = localwindow_centre - (HALF_LOCALMAX_WINDOW * dz->iparam[PEAKER_WINSIZE]);
				if(localmaxwindow_stt + bufstart >= dz->insams[0])
					break;
				if(localmaxwindow_stt < 0)										// If window size grows rapidly, possible for windowstart to be off start of buffer.
					localmaxwindow_stt  = 0;									//	So this is a precaution (some samples contributing to calculation are unfortunately lost) 
				localmaxwindow_end = localwindow_centre + (HALF_LOCALMAX_WINDOW * dz->iparam[PEAKER_WINSIZE]);
				if(localmaxwindow_end + bufstart >= dz->insams[0]) {
					localmaxwindow_end = write_end;								//	If we reach end of file
					if(real_last_localmaxwindow_stt < 0)						//	set value of real_last_localmaxwindow_stt to previous last_localmaxwindow_stt.
						real_last_localmaxwindow_stt = last_localmaxwindow_stt;	//	Once it's been set, however, it stays at that value
					localmaxwindow_stt = real_last_localmaxwindow_stt;			//  and Threshold, as we approach end of file, does not change.
				}
				if(localmaxwindow_end > write_end) {
					sprintf(errstr,"Buffer overflow 2.\n");
					return(PROGRAM_ERROR);
				}
			}
			localwindow_centre += dz->iparam[PEAKER_WINSIZE];					//	Advance to next window
			if(dz->brksize[0] > 0) {											//	and (if ness) read window-size value there
				time = ((bufstart + localwindow_centre)/chans) * time_convertor;
				if((exit_status = read_values_from_all_existing_brktables(time,dz)) < 0)
					return(exit_status);
				dz->iparam[PEAKER_WINSIZE] = (int)round(dz->param[PEAKER_WINSIZE] * MS_TO_SECS * dz->infile->srate);
				dz->iparam[PEAKER_WINSIZE] *= dz->infile->channels;
			}
			local_max = 0.0;
			for(k = localmaxwindow_stt; k < localmaxwindow_end; k++)			//	Find local maximum across group-of-windows
				local_max = max(fabs(dz->sampbuf[0][k]),local_max);				//	And store a fraction of it, as threshold value
			local_threshold[wincnt] = (float)(local_max / (double)LOCALPEAK_DECIMATE);
			if(localwindow_centre + bufstart  >= dz->insams[0])	{				//	If we're out of data, quit
				wincnt++;
				break;
			}
			if(localmaxwindow_stt >= dz->buflen) {								//	If the local-group-of-windows starts beyond end of 1st buffer
				memcpy((char *)dz->sampbuf[0],(char *)dz->sampbuf[1],dz->buflen * sizeof(float));
				localmaxwindow_stt -= dz->buflen;								//	Copy buffer backwards, and read more data,
				write_end -= dz->buflen;										//	adjusting all buffer-related variables.
				localwindow_centre -= dz->buflen;
				bufstart += dz->buflen;
				if((exit_status = read_samps(dz->sampbuf[1],dz))<0)
					return(exit_status);
				write_end += dz->ssampsread;
			}
			wincnt++;
		}
		if((sndseekEx(dz->ifd[0],0,0)<0)){
            sprintf(errstr,"sndseek() failed\n");
            return SYSTEM_ERROR;
        }
		dz->total_samps_read = 0;
		dz->samps_left = dz->insams[0];
	}
	peakcnt = 0;
	dz->buflen *= 2;
	if((exit_status = read_samps(dz->sampbuf[0],dz))<0)	// Read two bufs at start
		return(exit_status);
	dz->buflen /= 2;
	write_end = dz->ssampsread;
	bufstart = 0;
	wincnt = 0;
	last_max = 0;
	last_max_loc = 0;
	if(dz->brksize[0] > 0) {
		if((exit_status = read_values_from_all_existing_brktables(0.0,dz)) < 0)
			return(exit_status);
		dz->iparam[PEAKER_WINSIZE] = (int)round(dz->param[PEAKER_WINSIZE] * MS_TO_SECS * dz->infile->srate);
		dz->iparam[PEAKER_WINSIZE] *= dz->infile->channels;
	}
	localwindow_stt = 0;
	fprintf(stdout,"INFO: Searching for peaks.\n");
	fflush(stdout);
	for(;;) {
		if(wincnt == 0) {
			localwindow_stt = 0;
			localwindow_end = dz->iparam[PEAKER_WINSIZE];
		} else {
			localwindow_stt += dz->iparam[PEAKER_WINSIZE];
			if(localwindow_stt + bufstart >= dz->insams[0])
				break;
			localwindow_end = localwindow_stt + dz->iparam[PEAKER_WINSIZE];
		}
		if(localwindow_end + bufstart >= dz->insams[0]) {
			localwindow_end = write_end;
		}
		if(localwindow_end  > write_end) {
			sprintf(errstr,"Buffer overflow 3.\n");
			return(PROGRAM_ERROR);
		}
		local_max = 0.0;
		local_max_loc = 0;
		local_min = HUGE;
		for(k = localwindow_stt; k < localwindow_end; k++) {
			if(fabs(dz->sampbuf[0][k]) > local_max) {
				local_max = fabs(dz->sampbuf[0][k]);
				local_max_loc = k;
			}
		}
		if(local_max > local_threshold[wincnt]) {
			time = ((local_max_loc + bufstart)/chans) * time_convertor;
			local_min = get_interpeak_min(last_max_loc,local_max_loc,dz->iparam[PEAKER_WINSIZE],dz);
			if(local_min < local_threshold[wincnt])	{			//	If minimum between peaks is also below threshold
				peaks[peakcnt++] = time;						//	Peak found here is a new isolated peak.
				last_max = local_max;
				last_max_loc = local_max_loc;
			} else if(local_max > last_max) {					//	Else, the peaks are combined to a single peak
				if(peakcnt > 0)									//	If new peak is greater than previous peak, overwrite previous peak.
					peakcnt--;									//	But if new peak is less than previous peak, just ignore it.	
				peaks[peakcnt++] = time;
				last_max = local_max;
				last_max_loc = local_max_loc;
			}
			if(peakcnt >= arraysize) {
				sprintf(errstr,"Array Error.\n");
				return(PROGRAM_ERROR);
			}
		}
		if(localwindow_stt >= dz->buflen) {
			memcpy((char *)dz->sampbuf[0],(char *)dz->sampbuf[1],dz->buflen * sizeof(float));
			localwindow_stt -= dz->buflen;
			write_end -= dz->buflen;
			bufstart += dz->buflen;
			last_max_loc -= dz->buflen;
			local_max_loc -= dz->buflen;
										// If previous window was all below threshold, then last_max_loc would be in some window before that.
			if(last_max_loc < 0)		// Such a window is lost when the buffer is overwritten by this back-copying.
				last_max_loc = 0;		// However, the below-threshold window, by definition, has a below-the-threshold minimum
										// which is all we need to separate adjacent peaks.
			if((exit_status = read_samps(dz->sampbuf[1],dz))<0)	// Read into 2nd buf
				return(exit_status);
			write_end += dz->ssampsread;
		}
		if(dz->brksize[0] > 0) {
			time = ((bufstart + localwindow_stt)/chans) * time_convertor;
			if((exit_status = read_values_from_all_existing_brktables(time,dz)) < 0)
				return(exit_status);
			dz->iparam[PEAKER_WINSIZE] = (int)round(dz->param[PEAKER_WINSIZE] * MS_TO_SECS * dz->infile->srate);
			dz->iparam[PEAKER_WINSIZE] *= dz->infile->channels;
		}
		wincnt++;
	}
	if(peakcnt <= 0) {
		sprintf(errstr,"No Peaks found.\n");
		return(DATA_ERROR);
	}
	for(n=0;n<peakcnt;n++)
		fprintf(dz->fp,"%lf\n",peaks[n]);
	return FINISHED;
}	

/*************************** CREATE_SNDBUFS **************************/

int create_peaker_sndbufs(dataptr dz)
{
	int n, exit_status;
	size_t bigbufsize,brkmaxsamps,minsize;
	double brkmax;
	if(dz->sbufptr == 0 || dz->sampbuf==0) {
		sprintf(errstr,"buffer pointers not allocated: create_peaker_sndbufs()\n");
		return(PROGRAM_ERROR);
	}
	bigbufsize = (size_t)Malloc(-1);
	bigbufsize /= dz->bufcnt;
	if(dz->brksize[0] > 0) {
		if((exit_status = get_maxvalue_in_brktable(&brkmax,0,dz))<0)
			return(exit_status);
		brkmaxsamps = (int)round(brkmax * MS_TO_SECS * dz->infile->srate);
		brkmaxsamps *= dz->infile->channels;
	} else
		brkmaxsamps = dz->iparam[PEAKER_WINSIZE];
	minsize = brkmaxsamps * LOCALMAX_WINDOW * 2 * sizeof(float);
	if(bigbufsize < minsize)
		bigbufsize  =  minsize;
	dz->buflen = (int)(bigbufsize / sizeof(float));	
	
	/*RWD also cover n-channels usage */
	if((dz->bigbuf = (float *)malloc(bigbufsize  * dz->bufcnt)) == NULL) {
		sprintf(errstr,"INSUFFICIENT MEMORY to create sound buffers.\n");
		return(PROGRAM_ERROR);
	}
	for(n=0;n<dz->bufcnt;n++)
		dz->sbufptr[n] = dz->sampbuf[n] = dz->bigbuf + (dz->buflen * n);
	dz->sampbuf[n] = dz->bigbuf + (dz->buflen * n);
	return(FINISHED);
}


double get_interpeak_min(int last_max_loc,int local_max_loc,int winsize,dataptr dz)
{
	float *ibuf = dz->sampbuf[0];
	double thismax, local_min = HUGE;
	int n,m,k,min_winsize;
	min_winsize = (int)round((double)winsize/(double)LOCALMIN_WINDOW_DIV);
	if(min_winsize < 4)
		return local_min;
	m = last_max_loc;
	n = m + min_winsize;
	while( n < local_max_loc) {
		thismax = 0.0;	
		for(k=m;k < n;k++)
			thismax = max(thismax,fabs(ibuf[k]));
		if(thismax < local_min)
			local_min = thismax;
		m += min_winsize/2;
		n += min_winsize/2;
	}
	m = max(local_max_loc - min_winsize,last_max_loc);		
	n = local_max_loc;		
	thismax = 0.0;	
	for(k=m;k < n;k++)
		thismax = max(thismax,fabs(ibuf[k]));
	if(thismax < local_min)
		local_min = thismax;
	return local_min;
}

#ifndef round
int round (double a)
{
	return (int)floor(a + 0.5);
}
#endif