mpegimdc.i

mp3解码源代码

 

struct __stdio_file {
  unsigned char *bufpos;    
  unsigned char *bufread;   
  unsigned char *bufwrite;  
  unsigned char *bufstart;  
  unsigned char *bufend;    


  int fd;  
  int mode;

  char unbuf[8];	    

  struct __stdio_file * next;
};







typedef struct __stdio_file FILE;
typedef off_t fpos_t;



extern FILE stdin[1];
extern FILE stdout[1];
extern FILE stderr[1];


















 

extern int setvbuf  (FILE*, char*, int, size_t)  ;

 
extern void setbuffer  (FILE*, char*, int)  ;
static __inline__ void setbuf(FILE *stream, char *buf) {
	return(setbuffer(stream, buf, (500) ));
}

extern int fgetc  (FILE*)  ;
extern int fputc  (int, FILE*)  ;

extern int fclose  (FILE*)  ;
extern int fflush  (FILE*)  ;
extern char *fgets  (char*, size_t, FILE*)  ;
extern FILE *__fopen  (const  char*, int, FILE*, const  char*)  ;





extern int fseek  (FILE*, long, int)  ;
extern long ftell  (FILE*)  ;
extern void rewind  (FILE*)  ;
extern int fgetpos  (FILE *, fpos_t *)  ;
extern int fsetpos  (FILE *, fpos_t *)  ;

extern size_t fread  (void *, size_t, size_t, FILE *)  ;
extern size_t fwrite  (const void *, size_t, size_t, FILE *)  ;
extern int fputs  (const  char*, FILE*)  ;
extern int puts  (const  char*)  ;

extern int printf  (const  char*, ...)  ;
extern int fprintf  (FILE*, const  char*, ...)  ;
extern int sprintf  (char*, const  char*, ...)  ;

extern int vscanf  (const  char*, va_list)  ;
extern int vfscanf  (FILE*, const  char*, va_list)  ;
extern int vsscanf  (const  char*, const  char*, va_list)  ;
extern int snprintf  (char *str, size_t size, const  char *format, ...)  ;
extern int vprintf  (const  char*, va_list)  ;
extern int vfprintf  (FILE*, const  char*, va_list)  ;
extern int vsprintf  (char*, const  char*, va_list)  ;
extern int vsnprintf  (char*, size_t, const  char*, va_list)  ;
extern int scanf  (const  char *format, ...)  ;
extern int fscanf  (FILE*, const  char*, ...)  ;
extern int sscanf  (const  char *str, const  char *format, ...)  ;

extern int ungetc  (int c, FILE * stream)  ;

extern FILE *popen  (const  char *, const  char *)  ;
extern int pclose  (FILE *)  ;

extern void perror  (const  char *)  ;

extern int remove  (const  char *)  ;

extern char *tmpnam  (char *)  ;
extern char *tempnam  (const  char *, const  char *)  ;



# 168 "/home/gerg/new-wave.5249/lib/libc/include/stdio.h"


 


# 31 "defs.h" 2

# 1 "/home/gerg/new-wave.5249/lib/libc/include/stdlib.h" 1
 

# 1 "/home/gerg/new-wave.5249/lib/libc/include/sys/types.h" 1
# 1 "/home/gerg/new-wave.5249/lib/libc/include/stddef.h" 1
 



 






 


# 30 "/home/gerg/new-wave.5249/lib/libc/include/stddef.h"


# 1 "/home/gerg/new-wave.5249/lib/libc/include/sys/types.h" 2


# 1 "/home/gerg/new-wave.5249/lib/libc/include/linux/version.h" 1



# 3 "/home/gerg/new-wave.5249/lib/libc/include/sys/types.h" 2






# 3 "/home/gerg/new-wave.5249/lib/libc/include/stdlib.h" 2





 

 








 



extern void * malloc  (size_t)  ;
extern void * calloc  (size_t, size_t)  ;
extern void free  (void *)  ;
extern void * realloc  (void *, size_t)  ;

# 40 "/home/gerg/new-wave.5249/lib/libc/include/stdlib.h"


extern int rand  (void)  ;
extern void srand  (unsigned int seed)  ;
extern void srandom  (unsigned int seed)  ;
extern long random  (void)  ;

extern long strtol  (const char * nptr, char ** endptr, int base)  ;
extern unsigned long strtoul  (const char * nptr,
				   char ** endptr, int base)  ;

extern double strtod  (const char * nptr, char ** endptr)  ;


extern char *getenv  (const  char *__name)  ;

extern int putenv  (const  char *__string)  ;

extern int setenv  (const  char *__name, const  char *__value,
                        int __replace)  ;
extern void unsetenv  (const  char *__name)  ;

extern int system  (const  char *__command)  ;

extern void qsort  (void *base, int num, int size, int (*cmp)(const  void *, const  void *))  ;
extern void *bsearch  (const  void *key, const  void *base, size_t nmemb,
				size_t size, int (*compar)(const  void *, const  void *))  ;
extern char * gcvt  (double number, size_t ndigit, char * buf)  ;



 
typedef struct
  {
    int quot;			 
    int rem;			 
  } div_t;

 
typedef struct
  {
    long int quot;		 
    long int rem;		 
  } ldiv_t;

extern void exit  (int __status)   __attribute__ ((__noreturn__));
extern int atexit  (void (*function)(void))  ;
extern int system  (const  char *__command)  ;
extern int abs  (int __x)   __attribute__ ((__const__));
extern int atoi  (const  char *__nptr)  ;
extern long atol  (const  char *__nptr)  ;
extern long long atoll  (const  char *__nptr)  ;

extern void abort  (void)   __attribute__ ((__noreturn__));

extern int mkstemp  (char * __template)  ;
extern char * mktemp  (char * __template)  ;

extern char *realpath  (const  char *__restrict __name,
			 	char *__restrict __resolved)  ;
 


# 32 "defs.h" 2

# 1 "/home/gerg/new-wave.5249/lib/libc/include/string.h" 1




# 1 "/home/gerg/new-wave.5249/lib/libc/include/sys/types.h" 1
# 1 "/home/gerg/new-wave.5249/lib/libc/include/stddef.h" 1
 



 






 


# 30 "/home/gerg/new-wave.5249/lib/libc/include/stddef.h"


# 1 "/home/gerg/new-wave.5249/lib/libc/include/sys/types.h" 2


# 1 "/home/gerg/new-wave.5249/lib/libc/include/linux/version.h" 1



# 3 "/home/gerg/new-wave.5249/lib/libc/include/sys/types.h" 2






# 5 "/home/gerg/new-wave.5249/lib/libc/include/string.h" 2

# 1 "/home/gerg/new-wave.5249/lib/libc/include/stddef.h" 1
 



 






 


# 30 "/home/gerg/new-wave.5249/lib/libc/include/stddef.h"


# 6 "/home/gerg/new-wave.5249/lib/libc/include/string.h" 2


 

 
extern size_t strlen  (const  char* __str)  ;

extern char * strcat  (char*, const  char*)  ;
extern char * strcpy  (char*, const  char*)  ;
extern char * stpcpy  (char*, const  char*)  ;
extern int strcmp  (const  char*, const  char*)  ;

extern char * strncat  (char*, const  char*, size_t)  ;
extern char * strncpy  (char*, const  char*, size_t)  ;
extern int strncmp  (const  char*, const  char*, size_t)  ;

extern char * strchr  (const  char*, int)  ;
extern char * strrchr  (const  char*, int)  ;
extern char * strdup  (const  char*)  ;

 
extern void * memcpy  (void*, const  void*, size_t)  ;
extern void * memccpy  (void*, const  void*, int, size_t)  ;
extern void * memchr  (const  void*, const  int, size_t)  ;
extern void * memset  (void*, int, size_t)  ;
extern int memcmp  (const  void*, const  void*, size_t)  ;





extern void * memmove  (void*, const void*, size_t)  ;

 


static __inline int strcoll(const  char *s1, const  char *s2)
{
	return(strcmp(s1, s2));
}



static __inline size_t strxfrm(char *dest, const  char *src, size_t n) 
{
	strncpy(dest, src, n);
	return(n);
}


 

static __inline char *index(const  char *s, int c) { return(strchr(s, c)); }


static __inline char *rindex(const  char *s, int c) { return(strrchr(s, c)); }



 
extern int strcasecmp  (const  char*, const  char*)  ;
extern int strncasecmp  (const  char*, const  char*, size_t)  ;
char *strpbrk  (const  char *, const  char *)  ;
char *strsep  (char **, const  char *)  ;
char *strstr  (const  char *, const  char *)  ;
char *strcasestr  (const  char *, const  char *)  ;
char *strtok  (char *, const  char *)  ;
char *strtok_r  (char *, const  char *, char **)  ;
size_t strspn  (const  char *, const  char *)  ;
size_t strcspn  (const  char *, const  char *)  ;

 
extern void bzero(void *s, int n);

static __inline int bcmp(const  void *s1, const  void *s2, int n)
{
	return(memcmp(s1, s2, n));
}


 
char *strfry  (char *)  ;

 


# 33 "defs.h" 2

# 1 "/home/gerg/new-wave.5249/lib/libc/include/assert.h" 1




 








extern void __assert  (const char *, const char *, int)  ;









# 34 "defs.h" 2











 


typedef char		INT8;
typedef short		INT16;
typedef long		INT32;
typedef unsigned char	UINT8;
typedef unsigned short	UINT16;
typedef unsigned long	UINT32;

typedef float		REAL;

typedef short		BOOL;

 

# 28 "mpegimdc.c" 2

# 1 "mpegaud.h" 1
 

 






















 


 

# 1 "bitstr.h" 1
 

 






















 


 

 







 





 









typedef struct {
	long	(*open)(char *stream_name, long buffer_size, long *stream_size);
	void	(*close)(long handle);
	long	(*read)(long handle, void *buffer, long num_bytes);
	int	(*seek)(long handle, long abs_byte_seek_pos);
} BITSTREAM_ACCESS;

typedef struct {
	BITSTREAM_ACCESS baccess;
	long		file_handle;
	long		buffer_size;
	unsigned int 	*buffer;
	unsigned int 	*buffer_ptr;
	long		remain_bytes;
	long		bitstream_size;
	int		end_of_stream;
	unsigned int	bit_cache;
	int		cache_size;
	unsigned int	bits;
	long		buffer_len;
	long		buffer_pos;
} BITSTREAM;



extern BITSTREAM	*BSTR_open(BITSTREAM_ACCESS *bs_access,
				char *filename, long buffer_size);
extern unsigned long	BSTR_read_byte(BITSTREAM *b);
extern unsigned int	BSTR_read_bytes(BITSTREAM *b, unsigned int count,
				char *buffer);
extern unsigned long	BSTR_read_bit_cache(BITSTREAM *bitstream);
extern unsigned long	BSTR_read_bits_cache(BITSTREAM *bitstream,
				unsigned int bit_count);
extern void		BSTR_close(BITSTREAM *bitstream);
extern int		BSTR_seek( BITSTREAM *bitstream, long seek_byte_pos );
extern long		BSTR_pos( BITSTREAM *bitstream );















 

# 31 "mpegaud.h" 2

# 1 "huff.h" 1
 

 






















 


 




typedef struct {
	int		buffer_size;
	unsigned char	*buffer;
	int		write_index;
	int		read_index;
	unsigned long	bit_cache;
	int		cache_size;
	unsigned long	bits;
	INT16		nul_begin;  
} HUFFMAN;


 


























 


extern HUFFMAN	*HUFF_open(void);
extern void	HUFF_close(HUFFMAN *h);
extern int	HUFF_reset(HUFFMAN *h);
extern void	HUFF_fill_bytes(HUFFMAN *h, unsigned int count, char *buffer);
extern int	HUFF_set_start(HUFFMAN *h, int start_pos);
extern int	HUFF_seek(HUFFMAN *h, int seek_pos);
extern int	HUFF_decode_pair(HUFFMAN *h, INT16 table, INT16 count,
			INT16 *x);
extern int	HUFF_decode_quad(HUFFMAN *h, INT16 table, INT16 max_bits,
			INT16 val_count, INT16 val_top, INT16 *x);

extern unsigned long	HUFF_read_bit_cache(HUFFMAN *h);
extern unsigned long	HUFF_read_bits_cache(HUFFMAN *h, unsigned int count);

 

# 32 "mpegaud.h" 2