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#ifndef XREAD_H_

#define XREAD_H_

#include <stdio.h>

#define BUFFERMAXSIZE (128*1024l)

struct xbuffer {  

  int  handle;

  char buffer[BUFFERMAXSIZE+8];

  int  readptr;

  int  writeptr;

};

extern struct xbuffer *table[OPEN_MAX];

void x_init(void);

/* rate in bit/sec */

/* band in percentuale */

int x_initbuffer(int group, FILE *f, int rate, int band);

#define XUNUSEDPID 5821

/*

 *

 */

static __inline__ int filledspace(struct xbuffer *ptr)

{

  int size;

  if (ptr->writeptr==ptr->readptr) return 0;

  size=ptr->writeptr-ptr->readptr;

  if (size<0) size+=BUFFERMAXSIZE;

  return size;

}

static __inline__ int freespace(struct xbuffer *ptr)

{

  return BUFFERMAXSIZE-filledspace(ptr);

}

#endif