www.pudn.com > NETVIDEO.rar > ifo.h
#ifndef __IFO_H__
#define __IFO_H__
#ifndef DVD_VIDEO_LB_LEN
#define DVD_VIDEO_LB_LEN 2048
#endif
#define OFFSET_IFO 0x0000
#define OFFSET_VTS 0x0000
#define OFFSET_LEN 0x00C0
#define IFO_OFFSET_TAT 0x00C0
#define OFFSET_VTSI_MAT 0x0080
#define IFO_OFFSET_VIDEO 0x0100
#define IFO_OFFSET_AUDIO 0x0200
#define IFO_OFFSET_SUBPIC 0x0250
// for debug and error output
/**
* Video Info Table
*/
typedef struct {
#if BYTE_ORDER == BIG_ENDIAN
u_char compression : 2;
u_char system : 2;
u_char ratio : 2;
u_char perm_displ : 2;
u_char line21_1 : 1;
u_char line21_2 : 1;
u_char source_res : 2;
u_char letterboxed : 1;
u_char mode : 1;
#else
u_char perm_displ : 2;
u_char ratio : 2;
u_char system : 2;
u_char compression : 2;
u_char mode : 1;
u_char letterboxed : 1;
u_char source_res : 2;
u_char line21_2 : 1;
u_char line21_1 : 1;
#endif
} ifo_video_info_t;
/**
* Audio Table
*/
typedef struct {
#if MPEG3_LITTLE_ENDIAN
u_char num_channels : 3; // number of channels (n+1)
u_char sample_freq : 2; // sampling frequency
u_char quantization : 2; // quantization
u_char appl_mode2 : 1; // audio application mode
u_char appl_mode1 : 1; //
u_char type : 2; // audio type (language included?)
u_char multichannel_extension: 1;
u_char coding_mode : 2;
#else
u_char appl_mode2 : 1;
u_char quantization : 2;
u_char sample_freq : 2;
u_char num_channels : 3;
u_char coding_mode : 2;
u_char multichannel_extension: 1;
u_char type : 2;
u_char appl_mode1 : 1;
#endif
u_short lang_code : 16; // description
u_int foo : 8; // 0x00000000 ?
u_int caption : 8;
u_int bar : 8; // 0x00000000 ?
} ifo_audio_t;
#define IFO_AUDIO_LEN 7
/**
* Subpicture Table
*/
typedef struct {
u_short prefix : 16; // 0x0100 ?
u_short lang_code : 16; // description
u_char foo : 8; // dont know
u_char caption : 8; // 0x00 ?
} ifo_spu_t;
/**
* Time Map Table header entry
*/
#if 0
typedef struct {
u_char tu : 16; // time unit (in seconds)
u_int : 16; // don't know
} ifo_tmt_hdr_t;
#endif
typedef struct {
u_int : 24; // don't know
u_char tu : 8; // time unit (in seconds)
} ifoq_tmt_hdr_t;
//#define IFO_TMT_HDR_LEN 4
#define IFOQ_TMT_HDR_LEN 1
/**
* hmm
*/
typedef struct {
u_short vob_id : 16; // Video Object Identifier
u_char cell_id : 8; // Cell Identifier
u_char : 8; // don't know
u_int start : 32; // Cell start
u_int end : 32; // Cell end
} ifo_cell_addr_t;
typedef struct {
u_short vob_id : 16; // Video Object Identifier
u_short cell_id : 16; // Cell Identifier
} ifo_pgc_cell_pos_t;
/**
* Part of Title AND Title set Cell Address
*/
typedef struct {
u_short pgc; // Program Chain (PTT)
u_short pg; // Program (PTT)
u_long start; // Start of VOBU (VTS? CADDR)
u_long end; // End of VOBU (VTS? CADDR)
} ifo_ptt_data_t;
typedef struct {
u_int num; // Number of Chapters
ifo_ptt_data_t *data; // Data
} ifo_ptt_sub_t;
typedef struct {
u_int num; // Number of Titles
ifo_ptt_sub_t *title; // Titles
} ifo_ptt_t;
typedef struct {
u_char chain_info : 8; // 0x5e 0xde(2 angles, no overlay), 0x5f 0x9f 0x9f 0xdf(4 angles overlay), 0x2 0xa 0x8(1 angle)
u_char foo : 8; // parent control ??
u_char still_time : 8;
u_char cell_cmd : 8;
//u_int foo : 32;
u_int len_time : 32;
u_int vobu_start : 32; // 1st vobu start
u_int ilvu_end : 32;
u_int vobu_last_start : 32;
u_int vobu_last_end : 32;
} ifo_pgci_cell_addr_t;
#define PGCI_CELL_ADDR_LEN 24
#define ID_NUM_MENU_VOBS 0
#define ID_NUM_TITLE_VOBS 1
#define ID_MAT 0
#define ID_PTT 1
#define ID_TSP 1
#define ID_TITLE_PGCI 2
#define ID_MENU_PGCI 3
#define ID_TMT 4
#define ID_MENU_CELL_ADDR 5
#define ID_MENU_VOBU_ADDR_MAP 6
#define ID_TITLE_CELL_ADDR 7
#define ID_TITLE_VOBU_ADDR_MAP 8
/**
* Information Table - for internal use only
*/
typedef struct {
u_int num_menu_vobs;
u_int vob_start;
u_char *data[10];
int fd; // file descriptor
int64_t pos; // offset of ifo file on device
} ifo_t;
/**
* Generic header
*/
#define IFO_HDR_LEN 8
#define IFOQ_HDR_LEN 2
typedef struct {
u_short num : 16; // number of entries
u_short : 16; // don't known (reserved?)
u_int len : 32; // length of table
} ifo_hdr_t;
typedef struct {
u_short : 16; // don't known (reserved?)
u_short num : 16; // number of entries
u_int len : 32; // length of table
} ifoq_hdr_t;
/**
* Prototypes
*/
ifo_t *ifoOpen (int fd, int64_t pos);
int ifoClose (ifo_t *ifo);
u_int ifoGetVOBStart (ifo_t *ifo);
int ifoGetNumberOfTitles (ifo_t *ifo);
int ifoGetNumberOfParts (ifo_t *ifo);
int ifoGetVMGPTT (ifo_hdr_t *hdr, char **ptr);
int ifoGetPGCI (ifo_hdr_t *hdr, int title, char **ptr);
int ifoGetCLUT (char *pgc, char **ptr);
u_int ifoGetCellPlayInfo (u_char *pgc, u_char **ptr);
u_int ifoGetCellPos (u_char *pgc, u_char **ptr);
int ifoGetProgramMap (char *pgc, char **ptr);
int ifoGetCellAddr (char *cell_addr, char **ptr);
int ifoGetCellAddrNum (char *hdr);
int ifoGetAudio (char *hdr, char **ptr);
int ifoGetSPU (char *hdr, char **ptr);
ifo_ptt_t *ifo_get_ptt (ifo_t *ifo);
int ifo_get_num_title_pgci (ifo_t *ifo);
u_char *ifo_get_ptr_title_pgci (ifo_t *ifo, int index);
char *ifoDecodeLang (u_short descr);
int ifoIsVTS (ifo_t *ifo);
int ifoIsVMG (ifo_t *ifo);
void ifoPrintVideo (u_char *ptr);
void ifoPrintCellPlayInfo (u_char *ptr, u_int num);
void ifoPrintCellInfo (u_char *ptr, u_int num);
void ifoPrintCellPos (u_char *ptr, u_int num);
void ifoPrintCLUT (u_char *ptr);
void ifoPrintProgramMap (u_char *ptr, u_int num);
#ifdef PARSER
void ifoPrintAudio (ifo_audio_t *ptr, u_int num);
void ifoPrintSPU (ifo_spu_t *ptr, u_int num);
void ifoPrintTMT (ifo_t *ifo);
void ifoPrintVMOP (u_char *opcode);
void ifoPrint_ptt (ifo_ptt_t *ptt);
void ifoPrint_vts_vobu_addr_map (ifo_t *ifo);
void ifoPrint_vtsm_vobu_addr_map (ifo_t *ifo);
void ifoPrint_vts_cell_addr (ifo_t *ifo);
void ifoPrint_vtsm_cell_addr (ifo_t *ifo);
void ifoPrint_title_pgci (ifo_t *ifo);
void ifoPrint_pgc_cmd (u_char *pgc_ptr);
void ifoPrintTSP (u_char *toast);
void ifoPrint_pgc (u_char *ptr);
#endif
#endif