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mpg123/mpg123.h  view on Meta::CPAN

  short d;
};

struct frame {
    struct al_table *alloc;
    int (*synth)(real *,int,unsigned char *,int *);
    int (*synth_mono)(real *,unsigned char *,int *);
#ifdef USE_3DNOW
    void (*dct36)(real *,real *,real *,real *,real *);
#endif
    int stereo;
    int jsbound;
    int single;
    int II_sblimit;
    int down_sample_sblimit;
    int lsf;
    int mpeg25;
    int down_sample;
    int header_change;
    int lay;
    int error_protection;
    int bitrate_index;
    int sampling_frequency;
    int padding;
    int extension;
    int mode;
    int mode_ext;
    int copyright;
    int original;
    int emphasis;
    int framesize; /* computed framesize */
    int padsize;   /* */

    int sideInfoSize; /* Layer3 sideInfo Header size */

    /* FIXME: move this to another place */
    unsigned long firsthead;
    unsigned long thishead;
    int freeformatsize;
};

#define VBR_TOC_SIZE        100

#define VBR_FRAMES_FLAG     0x0001
#define VBR_BYTES_FLAG      0x0002
#define VBR_TOC_FLAG        0x0004
#define VBR_SCALE_FLAG      0x0008

struct vbrHeader {
	unsigned long flags;
	unsigned long frames;
	unsigned long bytes;
	unsigned long scale;
	unsigned char toc[100];
};

struct parameter {
    int aggressive; /* renice to max. priority */
    int shuffle;	/* shuffle/random play */
    int remote;	/* remote operation */
    int outmode;	/* where to out the decoded sampels */
    int quiet;	/* shut up! */
    int xterm_title;  /* print filename in xterm title */
    long usebuffer;	/* second level buffer size */
    int tryresync;  /* resync stream after error */
    int verbose;    /* verbose level */
#ifdef TERM_CONTROL
    int term_ctrl;
#endif
    int force_mono;
    int force_stereo;
    int force_8bit;
    long force_rate;
    double pitch;
    int down_sample;
    int checkrange;
    long doublespeed;
    long halfspeed;
    int force_reopen;
    int stat_3dnow; /* automatic/force/force-off 3DNow! optimized code */
    int test_3dnow;
    int realtime;
    char filename[256];
    char *esdserver;
    char *equalfile;
    int  enable_equalizer;
    long outscale;
    long startFrame;
    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);