www.pudn.com > av3dec_20050318.zip > AFheader.h

/*------------ Telecommunications & Signal Processing Lab -------------- 
                         McGill University 
 
Routine: 
  AFfiles.h 
 
Description: 
  Function prototypes for the TSP library AF file internal routines 
 
Author / revision: 
  P. Kabal  Copyright (C) 1999 
  $Revision: 1.22 $  $Date: 1999/06/04 23:27:17 $ 
 
----------------------------------------------------------------------*/ 
 
#ifndef AFfile_h_ 
#define AFfile_h_ 
 
#include 	/* typedef for FILE */ 
#include 	/* typedef for jmp_buf */ 
 
struct AF_opt;				/* Audio file routine options */ 
struct AF_NHpar;			/* Headerless audio file parameters */ 
struct AF_infox;			/* Header information string */ 
struct AF_info;				/* Header information string */ 
struct AF_read;				/* File format and data parameters */ 
struct AF_write;			/* File format and data parameters */ 
 
#ifndef	AFILE_t_ 
#  define AFILE_t_ 
typedef struct AF_filepar AFILE;	/* Audio file parameters */ 
#endif 
 
/* Header read/write definitions */ 
#define RHEAD_S(fp,string) \ 
	AFreadHead (fp, (void *)(string), 1, (int) (sizeof (string)), \ 
		    DS_NATIVE) 
#define RHEAD_SN(fp,string,N) \ 
	AFreadHead (fp, (void *) (string), 1, (int) (N), DS_NATIVE) 
#define RHEAD_V(fp,value,swap) \ 
	AFreadHead (fp, (void *) &(value), (int) (sizeof (value)), 1, \ 
		    (int) (swap)) 
#define RSKIP(fp,nbytes) \ 
	AFreadHead (fp, NULL, 1, (int) (nbytes), DS_NATIVE) 
#define WHEAD_S(fp,string) \ 
	AFwriteHead (fp, (const void *) (string), 1, (int) (sizeof (string)), \ 
		     DS_NATIVE) 
#define WHEAD_SN(fp,string,N) \ 
	AFwriteHead (fp, (const void *) (string), 1, (int) (N), DS_NATIVE) 
#define WHEAD_P(fp,string) \ 
	AFwriteHead (fp, (const void *) (string), 1, (int) (strlen (string)), \ 
		     DS_NATIVE) 
#define WHEAD_V(fp,value,swap) \ 
	AFwriteHead (fp, (const void *) &(value), (int) (sizeof (value)), 1, \ 
		     (int) (swap)) 
 
#ifdef __cplusplus 
extern "C" { 
#endif 
 
int 
AFfindType (FILE *fp); 
struct AF_info * 
AFgenHinfo (double Sfreq); 
const char * 
AFgetHrec (const char name[], const struct AF_info *Hinfo); 
int 
AFgetSPrec (const char name[], int type, void *data, int erropt, 
	    const char head[], int N); 
struct AF_opt * 
AFoptions (void); 
void 
AFprAFpar (AFILE *AFp, const char Fname[], FILE *fpinfo); 
AFILE * 
AFrdAIhead (FILE *fp); 
AFILE * 
AFrdAUhead (FILE *fp); 
AFILE * 
AFrdBLhead (FILE *fp); 
AFILE * 
AFrdEShead (FILE *fp); 
int 
AFrdHinfo (FILE *fp, int Size, struct AF_info *Hinfo, int Align); 
int 
AFrdHtext (FILE *fp, int Size, const char Ident[], struct AF_info *Hinfo, 
	   int Align); 
AFILE * 
AFrdINhead (FILE *fp); 
AFILE * 
AFrdSFhead (FILE *fp); 
AFILE * 
AFrdSPhead (FILE *fp); 
AFILE * 
AFrdSWhead (FILE *fp); 
AFILE * 
AFrdTAhead (FILE *fp); 
AFILE * 
AFrdWVhead (FILE *fp); 
int 
AFreadHead (FILE *fp, void *Buf, int size, int Nelem, int Swapb); 
AFILE * 
AFsetNHread (FILE *fp, const char Fname[]); 
AFILE * 
AFsetNHwrite (FILE *fp, int Dformat, int Swapb, long int Nchan, double Sfreq); 
AFILE * 
AFsetRead (FILE *fp, int Ftype, struct AF_read *AFr, int Fix); 
AFILE * 
AFsetWrite (FILE *fp, int Ftype, struct AF_write *AFw); 
int 
AFupdAIhead (AFILE *AFp); 
int 
AFupdAUhead (AFILE *AFp); 
int 
AFupdHead (AFILE *AFp); 
int 
AFupdWVhead (AFILE *AFp); 
AFILE * 
AFwrAIhead (FILE *fp, int Format, long int Nframe, long int Nchan, 
	    double Sfreq); 
AFILE * 
AFwrAUhead (FILE *fp, int Format, long int Nframe, long int Nchan, 
	    double Sfreq); 
AFILE * 
AFwrWVhead (FILE *fp, int Format, long int Nframe, long int Nchan, 
	    double Sfreq); 
int 
AFwriteHead (FILE *fp, const void *Buf, int Size, int Nv, int Swapb); 
 
#ifdef __cplusplus 
} 
#endif 
 
#endif /* AFfile_h_ */