ComposerDesktopProject/dev/science/bounce.c

#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>

#define BOUNCESPLICE 3		//	3mS splices for cuts of src in bounce
#define BOUNCEMINDUR 0.151	//	Minimum length of bounce unit , to allow splice at start OR end
#define CUTBNC 0
#define KEEPEND 1


#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 check_bounce_param_validity_and_consistency(dataptr dz);
static int setup_bounce_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_bounce_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 create_bounce_sndbufs(dataptr dz);
static int setup_and_init_input_brktable_constants(dataptr dz,int brkcnt);
static int bounce_param_preprocess(dataptr dz);
static int handle_buffer_output(int passno,double *maxsamp,int *maxpos,int fadelen,int *fadecnt,int *start_of_buf,int bnc1len,double normdrop,int samps_to_write,int *opos,dataptr dz);
static int normalisation_fade(int fadelen, int *fadecnt, int start_of_buf, int absfadestt, double normdrop, dataptr dz);
static int bounce(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 = 0;
		// setup_particular_application =
		if((exit_status = setup_bounce_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_bounce_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_bounce_param_validity_and_consistency(dz))<0) {
		print_messages_and_close_sndfiles(exit_status,is_launched,dz);
		return(FAILED);
	}
	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_bounce_sndbufs(dz))<0) {								// CDP LIB
		print_messages_and_close_sndfiles(exit_status,is_launched,dz);
		return(FAILED);
	}
	//param_preprocess()						redundant
	if((exit_status = bounce_param_preprocess(dz))<0) {
		print_messages_and_close_sndfiles(exit_status,is_launched,dz);
		return(FAILED);
	}
	//spec_process_file =
	if((exit_status = bounce(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_BOUNCE_APPLICATION *******************/

int setup_bounce_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   ,5,5,"idddd"))<0)
		return(FAILED);
	if((exit_status = set_vflgs(ap,"s",1,"d","ce",2,0,"00"))<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((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_BOUNCE_PARAM_RANGES_AND_DEFAULTS *******************/

int setup_bounce_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[BNC_NUMBER]	= 1;
	ap->hi[BNC_NUMBER]	= 100;
	ap->default_val[BNC_NUMBER] = 8;
	ap->lo[BNC_STTSTEP]	= 0.04;
	ap->hi[BNC_STTSTEP]	= 10.0;
	ap->default_val[BNC_STTSTEP] = 1.0;
	ap->lo[BNC_SHORTEN]	= 0.1;
	ap->hi[BNC_SHORTEN]	= 1.0;
	ap->default_val[BNC_SHORTEN] = 0.92;
	ap->lo[BNC_ENDLEV]	= 0.0;
	ap->hi[BNC_ENDLEV]	= 1.0;
	ap->default_val[BNC_ENDLEV] = 0.05;
	ap->lo[BNC_LEVWRP]	= .01;
	ap->hi[BNC_LEVWRP]	= 100.0;
	ap->default_val[BNC_LEVWRP] = 1.0;
	ap->lo[BNC_MINDUR]	= 0.0;
	ap->hi[BNC_MINDUR]	= 1.0;
	ap->default_val[BNC_MINDUR] = 0.02;
	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_bounce_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("bounce");
	return(USAGE_ONLY);
}

/**************************** CHECK_BOUNCE_PARAM_VALIDITY_AND_CONSISTENCY *****************************/

int check_bounce_param_validity_and_consistency(dataptr dz)
{
	return FINISHED;
}

/******************************** DBTOLEVEL ***********************/

double dbtolevel(double val)
{
	int isneg = 0;
	if(flteq(val,0.0))
		return(1.0);
	if(val < 0.0) {
		val = -val;
		isneg = 1;
	}
	val /= 20.0;
	val = pow(10.0,val);
	if(isneg)
		val = 1.0/val;
	return(val);
}	

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

int get_the_process_no(char *prog_identifier_from_cmdline,dataptr dz)
{
	if(!strcmp(prog_identifier_from_cmdline,"bounce"))				dz->process = BOUNCE;
	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,"bounce")) {
		fprintf(stderr,
	    "USAGE:\n"
	    "bounce bounce inf outf count startgap shorten endlevel ewarp [-smin] [-e] [-c]\n"
		"\n"
		"\"Bounce\" a sound (Accelerating repeats, decaying in level).\n"
		"\n"
		"COUNT    Number of bounces.\n"
		"STARTGAP Gap between src start and 1st bounce. (0.04 to 10)\n"
		"SHORTEN  Bounce gap reduction (multiplier) from 1 bounce to next.\n"
		"ENDLEVEL Loudness of last bounce as fraction of src level. (0 to 1)\n"
		"EWARP    Decay warp.        Decresc at start : >1.0 greater : < 1.0 less.\n"
		"-sMIN    Shrink bounced elements in same proportion as accel. Min = min dur.\n"
		"		  (Value of zero turns off shrinkage).\n"
		"-c       If repeating elements overlap, cut to avoid this overlap.\n"
		"-e       Shrink elements by trimming start. (Default, by trimming end).\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);
}

/******************************** GATE ********************************/

int bounce(dataptr dz)
{
	int exit_status, chans = dz->infile->channels, passno, bouncecnt, numberlessone, endsampstepset, levcnt;
	double levchange, levpos, thislevel, normaliser, maxsamp, splcincr, normdrop = 0.0, lastratio, thisratio, srate = (double)dz->infile->srate;
	int gpsampdur, gpsplen, absplen, opos, start_of_buf, maxpos = 0, startsplice, endsplice, sampstep = 0, endsampstep = 0, n, m, k, minsampdur;
	int fadelen = 0, fadecnt = 0, enddur, absbouncepos;
	float *ibuf = dz->sampbuf[0], *obuf = dz->sampbuf[1];
	int *steps;
	double *levels;
	int minstep;
	if((steps = (int *)malloc((dz->iparam[BNC_NUMBER] + 2) * sizeof(int)))==NULL) {	//	Step from orig to qist bounce, for BNC_NUMBER bounces
		sprintf(errstr,"INSUFFICIENT MEMORY TO STORE LENGTHS OF BOUNCE-STEPS.\n");		//	+ a pseudo-step (= end of last bounce if it is to be cut)
		return(MEMORY_ERROR);
	}
	if((levels = (double *)malloc((dz->iparam[BNC_NUMBER] + 1) * sizeof(double)))==NULL) {
		sprintf(errstr,"INSUFFICIENT MEMORY TO STORE LENGTHS OF BOUNCE-STEPS.\n");
		return(MEMORY_ERROR);
	}
	minsampdur    = (int)round(dz->param[BNC_MINDUR] * dz->infile->srate) * chans;
	numberlessone = dz->iparam[BNC_NUMBER] - 1;
	gpsplen = (int)round(BOUNCESPLICE * MS_TO_SECS * (double)dz->infile->srate);
	minstep = (gpsplen/2) * chans;
	absplen = gpsplen * chans;
	gpsampdur = dz->insams[0]/chans;
	normaliser = 1.0;
	bouncecnt = 0;
	levchange = 1.0 - dz->param[BNC_ENDLEV];
	levels[0] = 1.0;
	steps[0]  = (int)round(dz->param[BNC_STTSTEP] * srate) * chans;
	if(sloom)															//	Pre-calc total output len (for progress-bar display)
		dz->tempsize = steps[0];
	lastratio = dz->param[BNC_STTSTEP];
	bouncecnt++;
	levcnt = dz->iparam[BNC_NUMBER] - 1;
	while(bouncecnt <= dz->iparam[BNC_NUMBER]) {
		levpos = (double)levcnt/dz->iparam[BNC_NUMBER];					//	levpos = Where we are in change of level, linearly interpd e.g. 2/3 1/3	0 for 3 bounces
		levpos = pow(levpos,dz->param[BNC_LEVWRP]);						//	Warped at (for pow-decay) 
		levels[bouncecnt] = levchange * levpos;							//	i.e. endlevel+2/3change	  endlevel+1/3change    endlevel
		levels[bouncecnt] += dz->param[BNC_ENDLEV];							

		thisratio = lastratio * dz->param[BNC_SHORTEN];
		steps[bouncecnt] = (int)round(thisratio * srate) * chans;	//	Distance to next bounce
		if(steps[bouncecnt] < minstep) {
			dz->iparam[BNC_NUMBER] = bouncecnt;
			fprintf(stdout,"INFO: Bounce Steps get too short for splices at bounce %d : curtailing.\n",bouncecnt);
			fflush(stdout);
			break;
		}
		lastratio = thisratio;
		if(sloom)
			dz->tempsize += steps[bouncecnt];
		bouncecnt++;
		levcnt--;
	}
	thisratio = lastratio * dz->param[BNC_SHORTEN];
	steps[bouncecnt] = (int)round(gpsampdur * thisratio) * chans;		//	Even last event has a distance-to-next-bounce

	if(sloom && !dz->vflag[CUTBNC])	{									//	If src not cut
		dz->tempsize -= steps[bouncecnt-1];								//	Go back to start of last bounced-element
		dz->tempsize += dz->insams[0];									//	and add duration of src (duration of element)
	}

	for(passno = 0;passno < 2; passno++) {
		start_of_buf = 0;
		absbouncepos = 0;
		if(sloom)
			display_virtual_time(0,dz);
		memset((char *)obuf,0,dz->buflen * 2 * sizeof(float));			//	Clear outbuf & ovflwbuf
		sndseekEx(dz->ifd[0],0,0);

		dz->total_samps_read = 0;
		dz->samps_left = dz->insams[0];
		if((exit_status = read_samps(ibuf,dz))<0)
			return(exit_status);
		dz->total_samps_written = 0;
		maxsamp = 0.0;
		opos = 0;														//	Write src, before bouncing
		if(dz->vflag[CUTBNC] && dz->duration > dz->param[BNC_STTSTEP]) {
			endsplice = steps[0];
			startsplice = endsplice - absplen;
			memcpy((char *)obuf,(char *)ibuf,startsplice * sizeof(float));
			n = startsplice;
			k = gpsplen - 1;
			while(k >= 0) {
				splcincr = (double)k/(double)gpsplen;
				for(m = 0; m < chans; m++) {
					obuf[n] = (float)(ibuf[n] * splcincr);
					n++;
				}
				k--;
			}
		} else
			memcpy((char *)obuf,(char *)ibuf,dz->insams[0] * sizeof(float));
		bouncecnt = 1;
		while(bouncecnt <= dz->iparam[BNC_NUMBER]) {
			thislevel = levels[bouncecnt];							
			sampstep  = steps[bouncecnt-1];
			absbouncepos += sampstep;
			opos = absbouncepos - start_of_buf;
			while(opos >= dz->buflen) {									//	If outbuffer filled
				if ((exit_status = handle_buffer_output(passno,&maxsamp,&maxpos,fadelen,&fadecnt,&start_of_buf,steps[0],normdrop,dz->buflen,&opos,dz)) < 0)
					return exit_status;
			}
			if(dz->vflag[CUTBNC] || dz->param[BNC_MINDUR] > 0.0) {		//	If sampstep to next bounce is less than src len, need cut bounced copy to fit
				endsampstepset = 0;
				if(dz->vflag[CUTBNC]) {
					endsampstep = steps[bouncecnt];						//	Actual sampstep in samples = max length of current bounced-item
					endsampstepset = 1;
				}
				if(dz->param[BNC_MINDUR] > 0.0) {						//	If bounced items are shrunk, shirnk proprtionately to shrinkage in bounce-steps
					enddur = (int)round(((double)steps[bouncecnt]/(double)steps[0]) * (double)gpsampdur) * chans;
					enddur = max(enddur,minsampdur);					//	but not to a duration less than the MIn allowed	
					if(endsampstepset)
						endsampstep = min(enddur,endsampstep);			//	length of bounced item is shorter of 2 possible curtails
					else 
						endsampstep = enddur;
				}

				if(endsampstep < dz->insams[0]) {						//	Overlap
					if(dz->vflag[KEEPEND]) {
						startsplice = dz->insams[0] - endsampstep;
						endsplice = startsplice +  absplen;				//	Splice off start
						k = 0;
						n = startsplice;
/* TEST */
if(dz->total_samps_written + opos > 132496) {
fprintf(stdout,"AAA at %lf\n",(dz->total_samps_written + opos)/(double)dz->infile->srate);
fflush(stdout);
}
/* TEST */
						while(k < gpsplen) {
							splcincr = (double)k/(double)gpsplen;
							for(m = 0; m < chans; m++) {
								obuf[opos] = (float)(obuf[opos] + (ibuf[n++] * thislevel * splcincr));
								opos++;
							}
							k++;
/* TEST */
if(dz->total_samps_written + opos > 132496) {
fprintf(stdout,"BBB at %lf\n",(dz->total_samps_written + opos)/(double)dz->infile->srate);
fflush(stdout);
}
/* TEST */
						}
						while(n < dz->insams[0])
/* TEST */
if(dz->total_samps_written + opos > 132496) {
fprintf(stdout,"CCC at %lf\n",(dz->total_samps_written + opos)/(double)dz->infile->srate);
fflush(stdout);
}
/* TEST */
							obuf[opos++] = (float)(ibuf[n++] * thislevel);
					} else {
/* TEST */
if(dz->total_samps_written + opos > 132496) {
fprintf(stdout,"DDD at %lf\n",(dz->total_samps_written + opos)/(double)dz->infile->srate);
fflush(stdout);
}
/* TEST */
						startsplice = endsampstep - absplen;			//	Splice off end
						endsplice = endsampstep;
						for(n=0;n<startsplice;n++) {
							obuf[opos] = (float)(obuf[opos] + (ibuf[n] * thislevel));
							opos++;
						}
/* TEST */
if(dz->total_samps_written + opos > 132496) {
fprintf(stdout,"EEE bouncecnt = %d at %lf\n",bouncecnt,(dz->total_samps_written + opos)/(double)dz->infile->srate);
fflush(stdout);
}
/* TEST */
						k = gpsplen - 1;
						while(k >= 0) {
							splcincr = (double)k/(double)gpsplen;
							for(m = 0; m < chans; m++) {
								obuf[opos] = (float)(obuf[opos] + (ibuf[n++] * thislevel * splcincr));
								opos++;
							}
							k--;
						}
/* TEST */
if(dz->total_samps_written + opos > 132496) {
fprintf(stdout,"FFF bouncecnt = %d at %lf\n",bouncecnt,(dz->total_samps_written + opos)/(double)dz->infile->srate);
fflush(stdout);
}
/* TEST */
					}
				} else {												//	No overlap, straight copy
/* TEST */
if(dz->total_samps_written + opos > 132496) {
fprintf(stdout,"GGG\n");
fflush(stdout);
}
/* TEST */
					for(n=0;n<dz->insams[0];n++) {
						obuf[opos] = (float)(obuf[opos] + (ibuf[n] * thislevel));
						opos++;
					}
				}
			} else {													//	As overlap possible, ADD new copy to output
/* TEST */
if(dz->total_samps_written + opos > 132496) {
fprintf(stdout,"HHH\n");
fflush(stdout);
}
/* TEST */
				for(n=0;n<dz->insams[0];n++) {
					for(n=0;n<dz->insams[0];n++) {
						obuf[opos] = (float)(obuf[opos] + (ibuf[n] * thislevel));
						opos++;
					}
				}
			}
			bouncecnt++;
		}
		if(opos > 0) {
/* TEST */
if(dz->total_samps_written + opos > 132496) {
fprintf(stdout,"III bouncecnt = %d at %lf\n",bouncecnt,(dz->total_samps_written + opos)/(double)dz->infile->srate);
fflush(stdout);
}
/* TEST */
			while ((exit_status = handle_buffer_output(passno,&maxsamp,&maxpos,fadelen,&fadecnt,&start_of_buf,steps[0],normdrop,opos,&opos,dz)) < 0)
				return exit_status;
		}
		if(passno == 0 && maxsamp > 0.95) {
			normaliser = 0.95/maxsamp;
			normdrop = 1.0 - normaliser;
			fadelen = maxpos - steps[0];
		}
	}
	return FINISHED;
}

/*************************** CREATE_BOUNCE_SNDBUFS **************************/

int create_bounce_sndbufs(dataptr dz)
{
	int n;
	int bigbufsize;
	int framesize, secsize;
	framesize = F_SECSIZE * dz->infile->channels * 2;
	if(dz->sbufptr == 0 || dz->sampbuf==0) {
		sprintf(errstr,"buffer pointers not allocated: create_sndbufs()\n");
		return(PROGRAM_ERROR);
	}
	dz->buflen = dz->insams[0];
	secsize = dz->buflen/framesize;
	secsize++;
	dz->buflen = secsize * framesize;
	bigbufsize = dz->buflen * sizeof(float);
	if(dz->buflen < 0 || bigbufsize < 0) {
		sprintf(errstr,"INPUT FILE too large for this process.\n");
		return(PROGRAM_ERROR);
	}
	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);
}

/*************************** BOUNCE_PARAM_PREPROCESS **************************/

int bounce_param_preprocess(dataptr dz)
{
	if(dz->param[BNC_MINDUR] > 0.0 && dz->param[BNC_MINDUR] < dz->application->default_val[BNC_MINDUR]) {
		sprintf(errstr,"MIN DURATION OF SHRUNK BOUNCED ELEMENT CANNOT BE LESS THAN %.3lf UNLESS SET TO ZERO (SWITCHES OFF SHRINKAGE)\n",BOUNCEMINDUR);
		return DATA_ERROR;
	}
		return FINISHED;
}

/*************************** NORMALISATION_FADE **************************/

int normalisation_fade(int fadelen, int *fadecnt, int start_of_buf, int absfadestt, double normdrop, dataptr dz)
{
	int fadestt, fadeend, n;
	double thisdrop, thislevl;
	float *obuf = dz->sampbuf[1];
	int fcnt = *fadecnt;
														//	if buffer ends after firstbounce-starts (where fade starts)
	if((dz->total_samps_read > absfadestt) && (fcnt < fadelen)) {	
		fcnt = *fadecnt;								//	&& not et at end of fade (fcnt < fadelen)
		fadestt = absfadestt - start_of_buf;			//	Start of fade relative to start of buffer
		fadestt = max(0,fadestt);						//	but not before start of buffer.
		fadeend = fadelen - fcnt;						//	Remaining length of fade
		fadeend += fadestt;								//	End of fade relative to current fade start
		fadeend = min(fadeend,dz->buflen);				//	but not beyond end of buffer
		for(n=fadestt;n<fadeend;n++) {					//	increment through the total drop in level required
			thisdrop = normdrop * (double)fcnt/(double)fadelen;
			thislevl = 1.0 - thisdrop;					//	Actual level is 1.0 minus current level-drop
			obuf[n] = (float)(obuf[n] * thislevl);		//	set level required
			fcnt++;										//	and count where we are in fade
		}
		*fadecnt = fcnt;
	}
	return FINISHED;
}

/**************************************** HANDLE_BUFFER_OUTPUT ********************************/

int handle_buffer_output(int passno,double *maxsamp,int *maxpos,int fadelen,int *fadecnt,int *start_of_buf,int bnc1len,double normdrop,int samps_to_write,int *opos,dataptr dz)
{
	int exit_status;
	double absval;
	int n;
	float *obuf = dz->sampbuf[1], *ovflwbuf = dz->sampbuf[2];
	if(passno == 0) {
		for(n=0;n<dz->buflen;n++) {
			absval = fabs(obuf[n]);
			if(absval > *maxsamp) {
				*maxsamp = absval;
				*maxpos = *start_of_buf + n;
			}
		}
		if(sloom) {
			dz->total_samps_written += dz->buflen;
			dz->process = GREV;
			display_virtual_time(dz->total_samps_written,dz);
			dz->process = BOUNCE;
		}
	} else {
		if(fadelen)											//	If normalisation required, do normalisation fade
			normalisation_fade(fadelen,fadecnt,*start_of_buf,bnc1len,normdrop,dz);
		dz->process = GREV;									//	then write to output	
		if((exit_status = write_samps(obuf,samps_to_write,dz))<0)		
			return(exit_status);
		dz->process = BOUNCE;
	}
	memcpy((char *)obuf,(char *)ovflwbuf,dz->buflen * sizeof(float));
	memset((char *)ovflwbuf,0,dz->buflen * sizeof(float));
	*opos -= dz->buflen;
	*start_of_buf += dz->buflen;
	return FINISHED;
}