dvd_vtsi.h

这是DVD中伺服部分的核心代码

/*****************************************************************************
******************************************************************************
**                                                                          **
**  Copyright (c) 2003 Videon Central, Inc.                                 **
**  All rights reserved.                                                    **
**                                                                          **
**  The computer program contained herein contains proprietary information  **
**  which is the property of Videon Central, Inc.  The program may be used  **
**  and/or copied only with the written permission of Videon Central, Inc.  **
**  or in accordance with the terms and conditions stipulated in the        **
**  agreement/contract under which the programs have been supplied.         **
**                                                                          **
******************************************************************************
*****************************************************************************/

/**
 * @file dvd_vtsi.h
 *
 * Structure definitions to parse the VTSI DVD data. All structures and
 * algorithms based on the DVD Part 3 Video Specification Version 1. VTS
 * information is in Section 4.2.
 *
 * $Id: dvd_vtsi.h,v 1.6 2006/10/04 21:30:24 rbehe Exp $
 */

#ifndef _DVD_VTSI_H
#define _DVD_VTSI_H

#ifdef __cplusplus
extern "C" {
#endif

#include "dvd_vmgi.h"

#define VTS_VOBU_SIZE 30000
#define MAX_NUM_TMAP  1000      /* Max number of Program Chains per title */
#define MAX_ENT_SIZE  32768

#ifdef UNUSED
#define MAX_VTSM_CPI          50
#define MAX_VTSM_VOBU_SA     100
#endif
#define MAX_VTSM_PGCI_SRP_i  100
#define MAX_VTSM_PGCI_SRP_j  100
#define MAX_VTS_CPI         6000
#define MAX_PTT_SRP          150
#define MAX_PTT_BUF          3000
#define MAX_VTSM_PGCI_BUF    1000



/* Audio Attributes */
typedef struct _ast_atr
{
    UBYTE flags[2];     /* Flags Describing Audio Attributes */
    USHORT specific_code;       /* Specific Code */
    UBYTE specific_code_ext;    /* Specific Code Extension */
    UBYTE app_info;     /* Application Information */
} ast_atr_struct;

/* Sub Picture Attributes */
typedef struct _spst_atr
{
    UBYTE flags;        /* Flags Describing Sub picture Attributes */
    USHORT specific_code;       /* Specific Code */
    UBYTE specific_code_ext;    /* Specific Code Extension */
} spst_atr_struct;


/* Video Title Set Information Management Table (VTSI_MAT) Structure */
typedef struct _vtsi_mat
{
    CHAR vts_id[12];    /* VTS Identifier */
    ULONG vts_ea;       /* End address of the VTS */
    ULONG vtsi_ea;      /* End address of the VTSI */
    USHORT vern;        /* Version number of the DVD Video Spec */
    ULONG vts_cat[4];   /* Video Manager Category */
    ULONG vtsi_mat_ea;  /* End address of VTSI_MAT */
    ULONG vtsm_vobs_sa; /* Start address of VTSM_VOBS */
    ULONG vtstt_vobs_sa;        /* Start address of VTSTT_VOBS */
    ULONG vts_ptt_srpt_sa;      /* Start address of VTS_PTT_SRPT */
    ULONG vts_pgcit_sa; /* Start address of VTS_PGCIT */
    ULONG vtsm_pgci_ut_sa;      /* Start Address of VTSM_PGCI_UT */
    ULONG vts_tmapt_sa; /* Start Address of VTS_TMAPT */
    ULONG vtsm_c_adt_sa;        /* Start Address of VTSM_C_ADT */
    ULONG vtsm_vobu_admap_sa;   /* Start Address of VTSM_VOBU_ADMAP */
    ULONG vts_c_adt_sa; /* Start Address of VTS_C_ADT */
    ULONG vts_vobu_admap_sa;    /* Start Address VTS_VOBU_ADMAP */
    UBYTE vtsm_v_atr[2];        /* Video Attribute of VTSM */
    UBYTE vtsm_ast_n[2];        /* Number of Audio Streams of VTSM */
    ast_atr_struct vtsm_ast_atr;        /* Audio stream attribute of VTSM */
    UBYTE vtsm_spst_n[2];       /* Number of Sub-picture streams of VTSM */
    spst_atr_struct vtsm_spst_atr;      /* Sub-picture attributes of VTSM */
    UBYTE vts_v_atr[2]; /* Video attribute of VTS */
    UBYTE vts_ast_n[2]; /* Number of Audio streams of VTS */
    ast_atr_struct vts_ast_atrt[MAX_AUDIO_CH];  /* Audio stream attribute */
    /* table of VTS */
    UBYTE vts_spst_n[2];        /* Number of Sub-picture streams of VTS */
    spst_atr_struct vts_spst_atrt[MAX_SP_CH];   /* Sub-picture stream  */
    /* attribute table of VTS */
    UBYTE vts_mu_ast_atrt[8][24];       /* Multichannel Audio stream
                                         * attribute */
    /* table VTS */
} vtsi_mat_struct;


/* PTT_SRPTI    Part of Title Search Pointer Table Information */
typedef struct _ptt_srpti
{
    USHORT vts_ttu_n;   /* Number of TTU in the VTS */
    ULONG vts_ptt_srpt_ea;      /* End address of VTS_PTT_SRPT */
} ptt_srpti_struct;


/* PTT_SRP    Part of Title Search Pointer */
typedef struct _ptt_srp
{
    USHORT pgcn;        /* Program Chain Number */
    UBYTE pgn;  /* Program Number */
} ptt_srp_struct;


/* VTS_PGCITI   Video Title Set PGC Information Table Information */
typedef struct _vts_pgciti
{
    USHORT vts_pgci_srp_n;      /* Number of PGCI in the VTS */
    ULONG vts_pgcit_ea; /* End address of VTS_PGCIT */
} vts_pgciti_struct;


/* VTS_PGCI_SRP Video Title Set PGCI Search Pointer */
typedef struct _vts_pgci_srp
{
    UBYTE vts_pgc_cat[4];       /* VTS_PGC Category */
    ULONG vts_pgci_sa;  /* Start address of VTS_PGCI in byte offset */
} vts_pgci_srp_struct;


/* VTSM_PGCI_UTI   Video Title Set Menu PGCI Unit Table Information */
typedef struct _vtsm_pgci_uti
{
    USHORT vtsm_lu_n;   /* Number of Video Title Set Menu Language */
    /* Units  VTSM_LU_N */
    ULONG vtsm_pgci_ut_ea;      /* End address of  VTSM_PGCI_UT */
} vtsm_pgci_uti_struct;


/* VTSM_LU_SRP  Video Title Set Menu Language Unit Search Pointer */
typedef struct _vtsm_lu_srp
{
    UCHAR vtsm_lcd[2];  /* Video Title Set Menu Language Code */
    UBYTE vtsm_exst;    /* Video Title Set Menu existence */
    ULONG vtsm_lu_sa;   /* Start Address of VTSM_LU */
} vtsm_lu_srp_struct;


/* VTSM_LUI  Video Title Set Menu Language Unit Information */
typedef struct _vtsm_lui
{
    USHORT vtsm_pgci_srp_n;     /* Number of VTSM PGCI Search Pointers */
    ULONG vtsm_lu_ea;   /* End Address of the VTSM Language Unit */
} vtsm_lui_struct;


/* VTS_TMAPTI  Video Title Set Time Map Table Information */
typedef struct _vts_tmapti
{
    USHORT vts_tmap_n;  /* Number of VTS_TMAPs */
    ULONG vts_tmapt_ea; /* End address of VTS_TMAPT */
} vts_tmapti_struct;



/* VTS_TMAP   Video Title Set Time Map */
typedef struct _vts_tmap
{
    UBYTE  tmu;                   /* Time Unit (seconds) */
    USHORT map_en_n;              /* Number of Map Entries */
    /* ULONG  *map_ent; */        /* Pointer to Table of Map Entries */
} vts_tmap_struct;


/* VTSM_C_ADTI  Video Title Set Menu Cell Address Table Information */
typedef struct _vtsm_c_adti
{
    USHORT vtsm_vob_n;  /* Number of VOBs in the VTSM_VOBS */
    ULONG vtsm_c_adt_ea;        /* End address of VTSM_C_ADT_EA */
} vtsm_c_adti_struct;


/* VTSM_CPI  Video Title Set Menu Cell Piece Information */
typedef struct _vtsm_cpi
{
    USHORT vtsm_vob_idn;        /* VOB ID number for the VTSM_CP */
    UBYTE vtsm_c_idn;   /* Cell ID number for the VTSM_CP */
    ULONG vtsm_cp_sa;   /* Start address of VTSM_CP */
    ULONG vtsm_cp_ea;   /* End address of VTSM_CP */
} vtsm_cpi_struct;


/* VTS_C_ADTI   Video Title Cet Cell Address Table Information */
typedef struct _vts_c_adti
{
    USHORT vts_vob_n;   /* Number of VOBs in the BTSTT_VOBS */
    ULONG vts_c_adt_ea; /* End address of VTS_C_ADT */
} vts_c_adti_struct;

/* VTS_CPI  Video Title Set Cell Piece Information */
typedef struct _vts_cpi
{
    USHORT vts_vob_idn; /* VOB ID number for the VTS_CP */
    UBYTE vts_c_idn;    /* Cell ID number for the VTS_CP */
    ULONG vts_cp_sa;    /* Start address of VTS_CP */
    ULONG vts_cp_ea;    /* End address of VTS_CP */
} vts_cpi_struct;


/* Variable Declarations */
extern vtsi_mat_struct vtsi_mat;

extern ptt_srpti_struct ptt_srpti;

extern ULONG ttu_srp[MAX_NUM_TT];

extern USHORT ttu_srp_num[MAX_NUM_TT];

#ifdef FIXED_PTT
extern ptt_srp_struct ptt_srp[MAX_NUM_TT][MAX_PTT_SRP];
                /* first array is TTU second is PTT_SRP */
#else
extern ptt_srp_struct *ptt_srp[MAX_NUM_TT];
#endif

extern vts_pgciti_struct vts_pgciti;

extern vts_pgci_srp_struct vts_pgci_srp[MAX_NUM_TMAP];

extern vtsm_pgci_uti_struct vtsm_pgci_uti;

extern vtsm_lu_srp_struct vtsm_lu_srp[MAX_NUM_LANG];

extern vtsm_lui_struct vtsm_lui[MAX_NUM_LANG];

#ifdef FIXED_PGC
extern vts_pgci_srp_struct vtsm_pgci_srp[MAX_VTSM_PGCI_SRP_i][MAX_VTSM_PGCI_SRP_j];
#else
extern vts_pgci_srp_struct *vtsm_pgci_srp[MAX_VTSM_PGCI_SRP_i];
#endif

extern vts_tmapti_struct vts_tmapti;

extern ULONG vts_tmap_srp[MAX_NUM_TMAP];

extern vts_tmap_struct vts_tmap[MAX_NUM_TMAP];


#ifdef UNUSED
extern vtsm_c_adti_struct vtsm_c_adti;

extern vtsm_cpi_struct vtsm_cpi[MAX_VTSM_CPI];

extern ULONG vtsm_vobu_admap_ea;

extern ULONG vtsm_vobu_sa[MAX_VTSM_VOBU_SA];
#endif

extern vts_c_adti_struct vts_c_adti;

extern vts_cpi_struct vts_cpi[MAX_VTS_CPI];

extern ULONG vts_vobu_admap_ea;

extern ULONG vts_vobu_sa[VTS_VOBU_SIZE];


/* function prototypes */
void Parse_VTSI_MAT(void);
void Parse_VTS_PTT_SRPT(ULONG vts_ptt_srpt_sa);
void Parse_VTS_PGCIT(ULONG vts_ptt_srpt_sa);
void Parse_VTSM_PGCI_UT(ULONG vtsm_pgci_ut);
void Parse_VTS_TMAPT(ULONG vts_tmapt_sa);
#ifdef UNUSED
void Parse_VTSM_C_ADT(ULONG vtsm_c_adt_sa);
void Parse_VTSM_VOBU_ADMAP(ULONG vtsm_vobu_admap_sa);
#endif
void Parse_VTS_C_ADT(ULONG vts_c_adt_sa);
void Parse_VTS_VOBU_ADMAP(ULONG vts_vobu_admap_sa);

/* Parse the VTSI_MAT and video title set information */
extern UBYTE get_vtsi_ifo(ULONG file_handle);


/* Macros */
#define  ROOTM_EXST  0x80       /* Root Menu entry PGC exits in this LU */
#define  SPM_EXST    0x40       /* Sub Picture menu entry PGC exists */
#define  AM_EXST     0x20       /* Audio menu entry PGC exists */
#define  AGLM_EXST   0x10       /* Angle menu entry PGC exists */
#define  PTTM_EXST   0x08       /* Part of Title menu entry PGC exists */

extern BOOLEAN get_tmap_entry(ULONG *, ULONG *, USHORT, ULONG, ULONG);

#ifdef __cplusplus
}
#endif

#endif