/* !! DO NO EDIT THIS FILE, it is automatically generated */
/*
 * Copyright (C) 2001 Rich Wareham <richwareham@users.sourceforge.net>
 *
 * This file is part of libdvdnav, a DVD navigation library.
 *
 * libdvdnav is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * libdvdnav is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA
 *
 * $Id: dvdnav_internal.h 1135 2008-09-06 21:55:51Z rathann $
 *
 */

#ifndef DVDNAV_INTERNAL_H_INCLUDED
#define DVDNAV_INTERNAL_H_INCLUDED

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
#include <limits.h>
#include <string.h>
#include <pthread.h>

#undef WORDS_BIGENDIAN

#include "dvd_reader.h"
#include "ifo_read.h"
#include "ifo_types.h"

/* Uncomment for VM command tracing */
/* #define TRACE */

#include "decoder.h"
#include "dvdnav.h"
#include "vm.h"
#include "vmcmd.h"

/* where should libdvdnav write its messages (stdout/stderr) */
#define MSG_OUT stdout

/* Maximum length of an error string */
#define MAX_ERR_LEN 255

/* Use the POSIX PATH_MAX if available */
#ifdef PATH_MAX
#define MAX_PATH_LEN PATH_MAX
#else
#define MAX_PATH_LEN 255 /* Arbitrary */
#endif

#ifndef DVD_VIDEO_LB_LEN
#define DVD_VIDEO_LB_LEN 2048
#endif

typedef struct read_cache_s read_cache_t;

/*
 * These are defined here because they are
 * not in ifo_types.h, they maybe one day
 */

#ifndef audio_status_t
typedef struct {
#ifdef WORDS_BIGENDIAN
  unsigned int available     : 1;
  unsigned int zero1         : 4;
  unsigned int stream_number : 3;
  uint8_t zero2;
#else
  uint8_t zero2;
  unsigned int stream_number : 3;
  unsigned int zero1         : 4;
  unsigned int available     : 1;
#endif
} ATTRIBUTE_PACKED audio_status_t;
#endif

#ifndef spu_status_t
typedef struct {
#ifdef WORDS_BIGENDIAN
  unsigned int available               : 1;
  unsigned int zero1                   : 2;
  unsigned int stream_number_4_3       : 5;
  unsigned int zero2                   : 3;
  unsigned int stream_number_wide      : 5;
  unsigned int zero3                   : 3;
  unsigned int stream_number_letterbox : 5;
  unsigned int zero4                   : 3;
  unsigned int stream_number_pan_scan  : 5;
#else
  unsigned int stream_number_pan_scan  : 5;
  unsigned int zero4                   : 3;
  unsigned int stream_number_letterbox : 5;
  unsigned int zero3                   : 3;
  unsigned int stream_number_wide      : 5;
  unsigned int zero2                   : 3;
  unsigned int stream_number_4_3       : 5;
  unsigned int zero1                   : 2;
  unsigned int available               : 1;
#endif
} ATTRIBUTE_PACKED spu_status_t;
#endif

typedef struct dvdnav_vobu_s {
  int32_t vobu_start;  /* Logical Absolute. MAX needed is 0x300000 */
  int32_t vobu_length;
  int32_t blockN;      /* Relative offset */
  int32_t vobu_next;   /* Relative offset */
} dvdnav_vobu_t;

/** The main DVDNAV type **/

struct dvdnav_s {
  /* General data */
  char        path[MAX_PATH_LEN]; /* Path to DVD device/dir */
  dvd_file_t *file;               /* Currently opened file */
  int         open_vtsN;          /* The domain and number of the... */
  int         open_domain;        /* ..currently opened VOB */

  /* Position data */
  vm_position_t position_next;
  vm_position_t position_current;
  dvdnav_vobu_t vobu;

  /* NAV data */
  pci_t pci;
  dsi_t dsi;
  uint32_t last_cmd_nav_lbn;      /* detects when a command is issued on an already left NAV */

  /* Flags */
  int skip_still;                 /* Set when skipping a still */
  int sync_wait;                  /* applications should wait till they are in sync with us */
  int sync_wait_skip;             /* Set when skipping wait state */
  int spu_clut_changed;           /* The SPU CLUT changed */
  int started;                    /* vm_start has been called? */
  int use_read_ahead;             /* 1 - use read-ahead cache, 0 - don't */
  int pgc_based;                  /* positioning works PGC based instead of PG based */

  /* VM */
  vm_t *vm;
  pthread_mutex_t vm_lock;

  /* Read-ahead cache */
  read_cache_t *cache;

  /* Errors */
  char err_str[MAX_ERR_LEN];
};

/** USEFUL MACROS **/

#ifdef __GNUC__
#define printerrf(format, args...) snprintf(this->err_str, MAX_ERR_LEN, format, ## args);
#else
#ifdef _MSC_VER
#define printerrf(str) snprintf(this->err_str, MAX_ERR_LEN, str);
#else
#define printerrf(...) snprintf(this->err_str, MAX_ERR_LEN, __VA_ARGS__);
#endif /* WIN32 */
#endif
#define printerr(str) strncpy(this->err_str, str, MAX_ERR_LEN);

/* Save my typing */
#define S_ERR DVDNAV_STATUS_ERR

#ifndef _MSC_VER
#define S_OK  DVDNAV_STATUS_OK
#endif /* MSC_VER */

#endif /* DVDNAV_INTERNAL_H_INCLUDED */
