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mpg123/mpg123.h  view on Meta::CPAN

    int print_version;
};

struct bitstream_info {
  int bitindex;
  unsigned char *wordpointer;
};

struct mpstr {
  int bsize;
  int framesize;
  int fsizeold;
  struct frame fr;
 /* int (*do_layer)(struct mpstr *,struct frame *fr,int,struct audio_info_struct *); */
  unsigned char bsspace[2][MAXFRAMESIZE+512]; /* MAXFRAMESIZE */
  real hybrid_block[2][2][SBLIMIT*SSLIMIT];
  int  hybrid_blc[2];
  unsigned long header;
  int bsnum;
  real synth_buffs[2][2][0x110];
  int  synth_bo;

  struct bitstream_info bsi;
};

extern struct bitstream_info bsi;

struct reader {
  int  (*init)(struct reader *);
  void (*close)(struct reader *);
  int  (*head_read)(struct reader *,unsigned long *newhead);
  int  (*head_shift)(struct reader *,unsigned long *head);
  int  (*skip_bytes)(struct reader *,int len);
  int  (*read_frame_body)(struct reader *,unsigned char *,int size);
  int  (*back_bytes)(struct reader *,int bytes);
  int  (*back_frame)(struct reader *,struct frame *,int num);
  long (*tell)(struct reader *);
  void (*rewind)(struct reader *);
  long filelen;
  long filepos;
  int  filept;
  int  flags;
  unsigned char id3buf[128];
  
  unsigned char *backbuf;
  int mark;
  int bufpos,bufstart,bufend;
  int bufsize;
};
#define READER_FD_OPENED 0x1
#define READER_ID3TAG    0x2

extern struct reader *rd,readers[];

extern int halfspeed;
extern int buffer_fd[2];
extern txfermem *buffermem;
extern char *prgName, *prgVersion;

#ifndef NOXFERMEM
extern void buffer_loop(struct audio_info_struct *ai,sigset_t *oldsigset);
#endif

extern void readers_pushback_header(struct reader *rds,unsigned long aLong);
extern void readers_mark_pos(struct reader *rds);
extern void readers_goto_mark(struct reader *rds);


/* ------ Declarations from "httpget.c" ------ */

extern char *proxyurl;
extern unsigned long proxyip;
extern int http_open (char *url);
extern char *httpauth;

/* ------ Declarations from "common.c" ------ */

int sync_stream(struct reader *rds,struct frame *fr,int flags,int *skipped);

extern void audio_flush(int, struct audio_info_struct *);
extern void (*catchsignal(int signum, void(*handler)()))();

extern void print_header(struct frame *);
extern void print_header_compact(struct frame *);
extern void print_id3_tag(unsigned char *buf);

extern int split_dir_file(const char *path, char **dname, char **fname);

extern unsigned int   get1bit(struct bitstream_info *);
extern unsigned int   getbits(struct bitstream_info *,int);
extern unsigned int   getbits_fast(struct bitstream_info *,int);
extern void           backbits(struct bitstream_info *,int);
extern int            getbitoffset(struct bitstream_info *);
extern int            getbyte(struct bitstream_info *);

extern void set_pointer(int,long);

extern unsigned char *pcm_sample;
extern int pcm_point;
extern int audiobufsize;

extern int OutputDescriptor;

struct gr_info_s {
      int scfsi;
      unsigned part2_3_length;
      unsigned big_values;
      unsigned scalefac_compress;
      unsigned block_type;
      unsigned mixed_block_flag;
      unsigned table_select[3];
      unsigned subblock_gain[3];
      unsigned maxband[3];
      unsigned maxbandl;
      unsigned maxb;
      unsigned region1start;
      unsigned region2start;
      unsigned preflag;
      unsigned scalefac_scale;
      unsigned count1table_select;
      real *full_gain[3];