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/* -*- c-basic-offset: 2; indent-tabs-mode: nil -*- */
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/*
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* Copyright (C) 2000, 2001, 2002, 2003
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* Bj<42>rn Englund <d4bjorn@dtek.chalmers.se>,
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* H<>kan Hjort <d95hjort@dtek.chalmers.se>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "config.h"
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#include <stdio.h>
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#include <stdlib.h>
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#if defined(HAVE_INTTYPES_H)
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#include <inttypes.h>
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#elif defined(HAVE_STDINT_H)
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#include <stdint.h>
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#endif
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#include <string.h>
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#include <errno.h>
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#include "bswap.h"
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#include "ifo_types.h"
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#include "ifo_read.h"
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#include "dvd_reader.h"
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#include "dvdread_internal.h"
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#ifndef DVD_BLOCK_LEN
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#define DVD_BLOCK_LEN 2048
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#endif
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#ifndef NDEBUG
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#define CHECK_ZERO0(arg) \
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if(arg != 0) { \
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fprintf(stderr, "*** Zero check failed in %s:%i\n for %s = 0x%x\n", \
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__FILE__, __LINE__, # arg, arg); \
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}
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#define CHECK_ZERO(arg) \
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if(memcmp(my_friendly_zeros, &arg, sizeof(arg))) { \
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unsigned int i_CZ; \
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fprintf(stderr, "*** Zero check failed in %s:%i\n for %s = 0x", \
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__FILE__, __LINE__, # arg ); \
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for(i_CZ = 0; i_CZ < sizeof(arg); i_CZ++) \
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fprintf(stderr, "%02x", *((uint8_t *)&arg + i_CZ)); \
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fprintf(stderr, "\n"); \
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}
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static const uint8_t my_friendly_zeros[2048];
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#else
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#define CHECK_ZERO0(arg) (void)(arg)
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#define CHECK_ZERO(arg) (void)(arg)
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#endif
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/* Prototypes for internal functions */
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static int ifoRead_VMG(ifo_handle_t *ifofile);
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static int ifoRead_VTS(ifo_handle_t *ifofile);
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static int ifoRead_PGC(ifo_handle_t *ifofile, pgc_t *pgc, unsigned int offset);
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static int ifoRead_PGC_COMMAND_TBL(ifo_handle_t *ifofile,
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pgc_command_tbl_t *cmd_tbl,
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unsigned int offset);
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static int ifoRead_PGC_PROGRAM_MAP(ifo_handle_t *ifofile,
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pgc_program_map_t *program_map,
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unsigned int nr, unsigned int offset);
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static int ifoRead_CELL_PLAYBACK_TBL(ifo_handle_t *ifofile,
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cell_playback_t *cell_playback,
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unsigned int nr, unsigned int offset);
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static int ifoRead_CELL_POSITION_TBL(ifo_handle_t *ifofile,
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cell_position_t *cell_position,
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unsigned int nr, unsigned int offset);
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static int ifoRead_VTS_ATTRIBUTES(ifo_handle_t *ifofile,
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vts_attributes_t *vts_attributes,
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unsigned int offset);
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static int ifoRead_C_ADT_internal(ifo_handle_t *ifofile, c_adt_t *c_adt,
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unsigned int sector);
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static int ifoRead_VOBU_ADMAP_internal(ifo_handle_t *ifofile,
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vobu_admap_t *vobu_admap,
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unsigned int sector);
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static int ifoRead_PGCIT_internal(ifo_handle_t *ifofile, pgcit_t *pgcit,
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unsigned int offset);
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static void ifoFree_PGC(pgc_t *pgc);
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static void ifoFree_PGC_COMMAND_TBL(pgc_command_tbl_t *cmd_tbl);
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static void ifoFree_PGCIT_internal(pgcit_t *pgcit);
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static ifo_handle_t *ifoOpen_File(ifo_handle_t *ifofile, int title,
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char *suffix);
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static ifo_handle_t *ifoOpenVMGI_File(ifo_handle_t *ifofile, char *suffix);
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static ifo_handle_t *ifoOpenVTSI_File(ifo_handle_t *ifofile, int title,
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char *suffix);
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static int DVDFileSeek_( dvd_file_t *dvd_file, uint32_t offset ) {
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return (DVDFileSeek(dvd_file, (int)offset) == (int)offset);
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}
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ifo_handle_t *ifoOpen(dvd_reader_t *dvd, int title) {
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ifo_handle_t *ifofile;
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ifofile = (ifo_handle_t *)malloc(sizeof(ifo_handle_t));
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if(!ifofile)
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return NULL;
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memset(ifofile, 0, sizeof(ifo_handle_t));
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ifofile->file = DVDOpenFile(dvd, title, DVD_READ_INFO_FILE);
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if(!ifoOpen_File(ifofile, title, "IFO")) {
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if(title) {
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if(dvdread_verbose(dvd) >= 1) {
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fprintf(stderr, "libdvdread: Can't open file VTS_%02d_0.%s.\n",
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title, "IFO");
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}
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} else {
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if(dvdread_verbose(dvd) >= 1) {
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fprintf(stderr, "libdvdread: Can't open file VIDEO_TS.%s.\n", "IFO");
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}
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}
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/* lower functions free the pointer, reallocate */
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ifofile = (ifo_handle_t *)malloc(sizeof(ifo_handle_t));
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if(!ifofile)
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return NULL;
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memset(ifofile, 0, sizeof(ifo_handle_t));
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ifofile->file = DVDOpenFile(dvd, title, DVD_READ_INFO_BACKUP_FILE);
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if(!ifoOpen_File(ifofile, title, "BUP")) {
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if(title) {
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if(dvdread_verbose(dvd) >= 1) {
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fprintf(stderr, "libdvdread: Can't open file VTS_%02d_0.%s.\n",
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title, "BUP");
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}
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} else {
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if(dvdread_verbose(dvd) >= 1) {
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fprintf(stderr, "libdvdread: Can't open file VIDEO_TS.%s.\n", "BUP");
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}
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}
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return NULL;
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}
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}
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return ifofile;
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}
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static ifo_handle_t *ifoOpen_File(ifo_handle_t *ifofile, int title,
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char *suffix) {
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if(!ifofile->file) {
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free(ifofile);
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return NULL;
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}
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/* First check if this is a VMGI file. */
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if(ifoRead_VMG(ifofile)) {
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/* These are both mandatory. */
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if(!ifoRead_FP_PGC(ifofile) || !ifoRead_TT_SRPT(ifofile)) {
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if(dvdread_verbose(device_of_file(ifofile->file)) >= 0) {
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fprintf(stderr, "libdvdread: Invalid main menu IFO (VIDEO_TS.%s).\n",
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suffix);
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}
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ifoClose(ifofile);
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return NULL;
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}
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ifoRead_PGCI_UT(ifofile);
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ifoRead_PTL_MAIT(ifofile);
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/* This is also mandatory. */
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if(!ifoRead_VTS_ATRT(ifofile)) {
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if(dvdread_verbose(device_of_file(ifofile->file)) >= 0) {
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fprintf(stderr, "libdvdread: Invalid main menu IFO (VIDEO_TS.%s).\n",
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suffix);
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}
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ifoClose(ifofile);
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return NULL;
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}
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ifoRead_TXTDT_MGI(ifofile);
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ifoRead_C_ADT(ifofile);
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ifoRead_VOBU_ADMAP(ifofile);
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return ifofile;
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}
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if(ifoRead_VTS(ifofile)) {
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if(!ifoRead_VTS_PTT_SRPT(ifofile) || !ifoRead_PGCIT(ifofile)) {
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if(dvdread_verbose(device_of_file(ifofile->file)) >= 0) {
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fprintf(stderr, "libdvdread: Invalid title IFO (VTS_%02d_0.%s).\n",
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title, suffix);
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}
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ifoClose(ifofile);
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return NULL;
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}
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ifoRead_PGCI_UT(ifofile);
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ifoRead_VTS_TMAPT(ifofile);
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ifoRead_C_ADT(ifofile);
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ifoRead_VOBU_ADMAP(ifofile);
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if(!ifoRead_TITLE_C_ADT(ifofile) || !ifoRead_TITLE_VOBU_ADMAP(ifofile)) {
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if(dvdread_verbose(device_of_file(ifofile->file)) >= 0) {
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fprintf(stderr, "libdvdread: Invalid title IFO (VTS_%02d_0.%s).\n",
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title, suffix);
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}
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ifoClose(ifofile);
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return NULL;
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}
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return ifofile;
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}
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if(title) {
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if(dvdread_verbose(device_of_file(ifofile->file)) >= 0) {
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fprintf(stderr, "libdvdread: Invalid IFO for title %d (VTS_%02d_0.%s).\n",
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title, title, suffix);
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}
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} else {
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if(dvdread_verbose(device_of_file(ifofile->file)) >= 0) {
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fprintf(stderr, "libdvdread: Invalid IFO for VMGM (VIDEO_TS.%s).\n",
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suffix);
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}
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}
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ifoClose(ifofile);
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return NULL;
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}
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ifo_handle_t *ifoOpenVMGI(dvd_reader_t *dvd) {
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ifo_handle_t *ifofile;
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ifofile = (ifo_handle_t *)malloc(sizeof(ifo_handle_t));
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if(!ifofile)
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return NULL;
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memset(ifofile, 0, sizeof(ifo_handle_t));
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ifofile->file = DVDOpenFile(dvd, 0, DVD_READ_INFO_FILE);
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if(!ifoOpenVMGI_File(ifofile, "IFO")) {
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if(dvdread_verbose(dvd) >= 1) {
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fprintf(stderr, "libdvdread: Can't open file VIDEO_TS.IFO: %s\n",
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strerror(errno));
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}
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/* lower functions free the pointer, reallocate */
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ifofile = (ifo_handle_t *)malloc(sizeof(ifo_handle_t));
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if(!ifofile)
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return NULL;
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memset(ifofile, 0, sizeof(ifo_handle_t));
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ifofile->file = DVDOpenFile(dvd, 0, DVD_READ_INFO_BACKUP_FILE);
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if(!ifoOpenVMGI_File(ifofile, "BUP"))
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if(dvdread_verbose(dvd) >= 1) {
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fprintf(stderr, "libdvdread: Can't open file VIDEO_TS.BUP: %s\n",
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strerror(errno));
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}
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return NULL;
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}
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return ifofile;
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}
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static ifo_handle_t *ifoOpenVMGI_File(ifo_handle_t *ifofile, char *suffix) {
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if(!ifofile->file) {
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free(ifofile);
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return NULL;
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}
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if(ifoRead_VMG(ifofile))
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return ifofile;
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if(dvdread_verbose(device_of_file(ifofile->file)) >= 0) {
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fprintf(stderr, "libdvdread: Invalid main menu IFO (VIDEO_TS.%s).\n",
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suffix);
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}
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ifoClose(ifofile);
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return NULL;
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}
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ifo_handle_t *ifoOpenVTSI(dvd_reader_t *dvd, int title) {
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ifo_handle_t *ifofile;
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ifofile = (ifo_handle_t *)malloc(sizeof(ifo_handle_t));
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if(!ifofile)
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return NULL;
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memset(ifofile, 0, sizeof(ifo_handle_t));
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if(title <= 0 || title > 99) {
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if(dvdread_verbose(dvd) >= 0) {
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fprintf(stderr, "libdvdread: ifoOpenVTSI invalid title (%d).\n", title);
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}
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free(ifofile);
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errno = EINVAL;
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return NULL;
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}
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ifofile->file = DVDOpenFile(dvd, title, DVD_READ_INFO_FILE);
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if(!ifoOpenVTSI_File(ifofile, title, "IFO")) {
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if(dvdread_verbose(dvd) >= 1) {
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fprintf(stderr, "libdvdread: Can't open file VTS_%02d_0.%s.\n", title, "IFO");
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}
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/* lower functions free the pointer, reallocate */
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ifofile = (ifo_handle_t *)malloc(sizeof(ifo_handle_t));
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if(!ifofile)
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return NULL;
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memset(ifofile, 0, sizeof(ifo_handle_t));
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ifofile->file = DVDOpenFile(dvd, title, DVD_READ_INFO_BACKUP_FILE);
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if(!ifoOpenVTSI_File(ifofile, title, "BUP"))
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if(dvdread_verbose(dvd) >= 1) {
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fprintf(stderr, "libdvdread: Can't open file VTS_%02d_0.%s.\n", title, "BUP");
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}
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return NULL;
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}
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return ifofile;
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}
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static ifo_handle_t *ifoOpenVTSI_File(ifo_handle_t* ifofile, int title, char *suffix) {
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if(!ifofile->file) {
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free(ifofile);
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return NULL;
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}
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ifoRead_VTS(ifofile);
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if(ifofile->vtsi_mat)
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return ifofile;
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if(dvdread_verbose(device_of_file(ifofile->file)) >= 0) {
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fprintf(stderr, "libdvdread: Invalid IFO for title %d (VTS_%02d_0.%s).\n",
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title, title, suffix);
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}
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ifoClose(ifofile);
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return NULL;
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}
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void ifoClose(ifo_handle_t *ifofile) {
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if(!ifofile)
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return;
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ifoFree_VOBU_ADMAP(ifofile);
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ifoFree_TITLE_VOBU_ADMAP(ifofile);
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ifoFree_C_ADT(ifofile);
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ifoFree_TITLE_C_ADT(ifofile);
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ifoFree_TXTDT_MGI(ifofile);
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ifoFree_VTS_ATRT(ifofile);
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ifoFree_PTL_MAIT(ifofile);
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ifoFree_PGCI_UT(ifofile);
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ifoFree_TT_SRPT(ifofile);
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ifoFree_FP_PGC(ifofile);
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ifoFree_PGCIT(ifofile);
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ifoFree_VTS_PTT_SRPT(ifofile);
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ifoFree_VTS_TMAPT(ifofile);
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if(ifofile->vmgi_mat)
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free(ifofile->vmgi_mat);
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if(ifofile->vtsi_mat)
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free(ifofile->vtsi_mat);
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DVDCloseFile(ifofile->file);
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ifofile->file = 0;
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free(ifofile);
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ifofile = 0;
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}
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static int ifoRead_VMG(ifo_handle_t *ifofile) {
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vmgi_mat_t *vmgi_mat;
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vmgi_mat = (vmgi_mat_t *)malloc(sizeof(vmgi_mat_t));
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if(!vmgi_mat)
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return 0;
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ifofile->vmgi_mat = vmgi_mat;
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if(!DVDFileSeek_(ifofile->file, 0)) {
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free(ifofile->vmgi_mat);
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ifofile->vmgi_mat = 0;
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return 0;
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}
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if(!DVDReadBytes(ifofile->file, vmgi_mat, sizeof(vmgi_mat_t))) {
|
|
|
free(ifofile->vmgi_mat);
|
|
|
ifofile->vmgi_mat = 0;
|
|
|
return 0;
|
|
|
}
|
|
|
|
|
|
if(strncmp("DVDVIDEO-VMG", vmgi_mat->vmg_identifier, 12) != 0) {
|
|
|
free(ifofile->vmgi_mat);
|
|
|
ifofile->vmgi_mat = 0;
|
|
|
return 0;
|
|
|
}
|
|
|
|
|
|
B2N_32(vmgi_mat->vmg_last_sector);
|
|
|
B2N_32(vmgi_mat->vmgi_last_sector);
|
|
|
B2N_32(vmgi_mat->vmg_category);
|
|
|
B2N_16(vmgi_mat->vmg_nr_of_volumes);
|
|
|
B2N_16(vmgi_mat->vmg_this_volume_nr);
|
|
|
B2N_16(vmgi_mat->vmg_nr_of_title_sets);
|
|
|
B2N_64(vmgi_mat->vmg_pos_code);
|
|
|
B2N_32(vmgi_mat->vmgi_last_byte);
|
|
|
B2N_32(vmgi_mat->first_play_pgc);
|
|
|
B2N_32(vmgi_mat->vmgm_vobs);
|
|
|
B2N_32(vmgi_mat->tt_srpt);
|
|
|
B2N_32(vmgi_mat->vmgm_pgci_ut);
|
|
|
B2N_32(vmgi_mat->ptl_mait);
|
|
|
B2N_32(vmgi_mat->vts_atrt);
|
|
|
B2N_32(vmgi_mat->txtdt_mgi);
|
|
|
B2N_32(vmgi_mat->vmgm_c_adt);
|
|
|
B2N_32(vmgi_mat->vmgm_vobu_admap);
|
|
|
B2N_16(vmgi_mat->vmgm_audio_attr.lang_code);
|
|
|
B2N_16(vmgi_mat->vmgm_subp_attr.lang_code);
|
|
|
|
|
|
|
|
|
CHECK_ZERO(vmgi_mat->zero_1);
|
|
|
CHECK_ZERO(vmgi_mat->zero_2);
|
|
|
CHECK_ZERO(vmgi_mat->zero_3);
|
|
|
CHECK_ZERO(vmgi_mat->zero_4);
|
|
|
CHECK_ZERO(vmgi_mat->zero_5);
|
|
|
CHECK_ZERO(vmgi_mat->zero_6);
|
|
|
CHECK_ZERO(vmgi_mat->zero_7);
|
|
|
CHECK_ZERO(vmgi_mat->zero_8);
|
|
|
CHECK_ZERO(vmgi_mat->zero_9);
|
|
|
CHECK_ZERO(vmgi_mat->zero_10);
|
|
|
CHECK_VALUE(vmgi_mat->vmg_last_sector != 0);
|
|
|
CHECK_VALUE(vmgi_mat->vmgi_last_sector != 0);
|
|
|
CHECK_VALUE(vmgi_mat->vmgi_last_sector * 2 <= vmgi_mat->vmg_last_sector);
|
|
|
CHECK_VALUE(vmgi_mat->vmgi_last_sector * 2 <= vmgi_mat->vmg_last_sector);
|
|
|
CHECK_VALUE(vmgi_mat->vmg_nr_of_volumes != 0);
|
|
|
CHECK_VALUE(vmgi_mat->vmg_this_volume_nr != 0);
|
|
|
CHECK_VALUE(vmgi_mat->vmg_this_volume_nr <= vmgi_mat->vmg_nr_of_volumes);
|
|
|
CHECK_VALUE(vmgi_mat->disc_side == 1 || vmgi_mat->disc_side == 2);
|
|
|
CHECK_VALUE(vmgi_mat->vmg_nr_of_title_sets != 0);
|
|
|
CHECK_VALUE(vmgi_mat->vmgi_last_byte >= 341);
|
|
|
CHECK_VALUE(vmgi_mat->vmgi_last_byte / DVD_BLOCK_LEN <=
|
|
|
vmgi_mat->vmgi_last_sector);
|
|
|
/* It seems that first_play_pgc is optional. */
|
|
|
CHECK_VALUE(vmgi_mat->first_play_pgc < vmgi_mat->vmgi_last_byte);
|
|
|
CHECK_VALUE(vmgi_mat->vmgm_vobs == 0 ||
|
|
|
(vmgi_mat->vmgm_vobs > vmgi_mat->vmgi_last_sector &&
|
|
|
vmgi_mat->vmgm_vobs < vmgi_mat->vmg_last_sector));
|
|
|
CHECK_VALUE(vmgi_mat->tt_srpt <= vmgi_mat->vmgi_last_sector);
|
|
|
CHECK_VALUE(vmgi_mat->vmgm_pgci_ut <= vmgi_mat->vmgi_last_sector);
|
|
|
CHECK_VALUE(vmgi_mat->ptl_mait <= vmgi_mat->vmgi_last_sector);
|
|
|
CHECK_VALUE(vmgi_mat->vts_atrt <= vmgi_mat->vmgi_last_sector);
|
|
|
CHECK_VALUE(vmgi_mat->txtdt_mgi <= vmgi_mat->vmgi_last_sector);
|
|
|
CHECK_VALUE(vmgi_mat->vmgm_c_adt <= vmgi_mat->vmgi_last_sector);
|
|
|
CHECK_VALUE(vmgi_mat->vmgm_vobu_admap <= vmgi_mat->vmgi_last_sector);
|
|
|
|
|
|
CHECK_VALUE(vmgi_mat->nr_of_vmgm_audio_streams <= 1);
|
|
|
CHECK_VALUE(vmgi_mat->nr_of_vmgm_subp_streams <= 1);
|
|
|
|
|
|
return 1;
|
|
|
}
|
|
|
|
|
|
|
|
|
static int ifoRead_VTS(ifo_handle_t *ifofile) {
|
|
|
vtsi_mat_t *vtsi_mat;
|
|
|
int i;
|
|
|
|
|
|
vtsi_mat = (vtsi_mat_t *)malloc(sizeof(vtsi_mat_t));
|
|
|
if(!vtsi_mat)
|
|
|
return 0;
|
|
|
|
|
|
ifofile->vtsi_mat = vtsi_mat;
|
|
|
|
|
|
if(!DVDFileSeek_(ifofile->file, 0)) {
|
|
|
free(ifofile->vtsi_mat);
|
|
|
ifofile->vtsi_mat = 0;
|
|
|
return 0;
|
|
|
}
|
|
|
|
|
|
if(!(DVDReadBytes(ifofile->file, vtsi_mat, sizeof(vtsi_mat_t)))) {
|
|
|
free(ifofile->vtsi_mat);
|
|
|
ifofile->vtsi_mat = 0;
|
|
|
return 0;
|
|
|
}
|
|
|
|
|
|
if(strncmp("DVDVIDEO-VTS", vtsi_mat->vts_identifier, 12) != 0) {
|
|
|
free(ifofile->vtsi_mat);
|
|
|
ifofile->vtsi_mat = 0;
|
|
|
return 0;
|
|
|
}
|
|
|
|
|
|
B2N_32(vtsi_mat->vts_last_sector);
|
|
|
B2N_32(vtsi_mat->vtsi_last_sector);
|
|
|
B2N_32(vtsi_mat->vts_category);
|
|
|
B2N_32(vtsi_mat->vtsi_last_byte);
|
|
|
B2N_32(vtsi_mat->vtsm_vobs);
|
|
|
B2N_32(vtsi_mat->vtstt_vobs);
|
|
|
B2N_32(vtsi_mat->vts_ptt_srpt);
|
|
|
B2N_32(vtsi_mat->vts_pgcit);
|
|
|
B2N_32(vtsi_mat->vtsm_pgci_ut);
|
|
|
B2N_32(vtsi_mat->vts_tmapt);
|
|
|
B2N_32(vtsi_mat->vtsm_c_adt);
|
|
|
B2N_32(vtsi_mat->vtsm_vobu_admap);
|
|
|
B2N_32(vtsi_mat->vts_c_adt);
|
|
|
B2N_32(vtsi_mat->vts_vobu_admap);
|
|
|
B2N_16(vtsi_mat->vtsm_audio_attr.lang_code);
|
|
|
B2N_16(vtsi_mat->vtsm_subp_attr.lang_code);
|
|
|
for(i = 0; i < 8; i++)
|
|
|
B2N_16(vtsi_mat->vts_audio_attr[i].lang_code);
|
|
|
for(i = 0; i < 32; i++)
|
|
|
B2N_16(vtsi_mat->vts_subp_attr[i].lang_code);
|
|
|
|
|
|
|
|
|
CHECK_ZERO(vtsi_mat->zero_1);
|
|
|
CHECK_ZERO(vtsi_mat->zero_2);
|
|
|
CHECK_ZERO(vtsi_mat->zero_3);
|
|
|
CHECK_ZERO(vtsi_mat->zero_4);
|
|
|
CHECK_ZERO(vtsi_mat->zero_5);
|
|
|
CHECK_ZERO(vtsi_mat->zero_6);
|
|
|
CHECK_ZERO(vtsi_mat->zero_7);
|
|
|
CHECK_ZERO(vtsi_mat->zero_8);
|
|
|
CHECK_ZERO(vtsi_mat->zero_9);
|
|
|
CHECK_ZERO(vtsi_mat->zero_10);
|
|
|
CHECK_ZERO(vtsi_mat->zero_11);
|
|
|
CHECK_ZERO(vtsi_mat->zero_12);
|
|
|
CHECK_ZERO(vtsi_mat->zero_13);
|
|
|
CHECK_ZERO(vtsi_mat->zero_14);
|
|
|
CHECK_ZERO(vtsi_mat->zero_15);
|
|
|
CHECK_ZERO(vtsi_mat->zero_16);
|
|
|
CHECK_ZERO(vtsi_mat->zero_17);
|
|
|
CHECK_ZERO(vtsi_mat->zero_18);
|
|
|
CHECK_ZERO(vtsi_mat->zero_19);
|
|
|
CHECK_ZERO(vtsi_mat->zero_20);
|
|
|
CHECK_ZERO(vtsi_mat->zero_21);
|
|
|
CHECK_VALUE(vtsi_mat->vtsi_last_sector*2 <= vtsi_mat->vts_last_sector);
|
|
|
CHECK_VALUE(vtsi_mat->vtsi_last_byte/DVD_BLOCK_LEN <= vtsi_mat->vtsi_last_sector);
|
|
|
CHECK_VALUE(vtsi_mat->vtsm_vobs == 0 ||
|
|
|
(vtsi_mat->vtsm_vobs > vtsi_mat->vtsi_last_sector &&
|
|
|
vtsi_mat->vtsm_vobs < vtsi_mat->vts_last_sector));
|
|
|
CHECK_VALUE(vtsi_mat->vtstt_vobs == 0 ||
|
|
|
(vtsi_mat->vtstt_vobs > vtsi_mat->vtsi_last_sector &&
|
|
|
vtsi_mat->vtstt_vobs < vtsi_mat->vts_last_sector));
|
|
|
CHECK_VALUE(vtsi_mat->vts_ptt_srpt <= vtsi_mat->vtsi_last_sector);
|
|
|
CHECK_VALUE(vtsi_mat->vts_pgcit <= vtsi_mat->vtsi_last_sector);
|
|
|
CHECK_VALUE(vtsi_mat->vtsm_pgci_ut <= vtsi_mat->vtsi_last_sector);
|
|
|
CHECK_VALUE(vtsi_mat->vts_tmapt <= vtsi_mat->vtsi_last_sector);
|
|
|
CHECK_VALUE(vtsi_mat->vtsm_c_adt <= vtsi_mat->vtsi_last_sector);
|
|
|
CHECK_VALUE(vtsi_mat->vtsm_vobu_admap <= vtsi_mat->vtsi_last_sector);
|
|
|
CHECK_VALUE(vtsi_mat->vts_c_adt <= vtsi_mat->vtsi_last_sector);
|
|
|
CHECK_VALUE(vtsi_mat->vts_vobu_admap <= vtsi_mat->vtsi_last_sector);
|
|
|
|
|
|
CHECK_VALUE(vtsi_mat->nr_of_vtsm_audio_streams <= 1);
|
|
|
CHECK_VALUE(vtsi_mat->nr_of_vtsm_subp_streams <= 1);
|
|
|
|
|
|
CHECK_VALUE(vtsi_mat->nr_of_vts_audio_streams <= 8);
|
|
|
for(i = vtsi_mat->nr_of_vts_audio_streams; i < 8; i++)
|
|
|
CHECK_ZERO(vtsi_mat->vts_audio_attr[i]);
|
|
|
|
|
|
CHECK_VALUE(vtsi_mat->nr_of_vts_subp_streams <= 32);
|
|
|
for(i = vtsi_mat->nr_of_vts_subp_streams; i < 32; i++)
|
|
|
CHECK_ZERO(vtsi_mat->vts_subp_attr[i]);
|
|
|
|
|
|
for(i = 0; i < 8; i++) {
|
|
|
CHECK_ZERO0(vtsi_mat->vts_mu_audio_attr[i].zero1);
|
|
|
CHECK_ZERO0(vtsi_mat->vts_mu_audio_attr[i].zero2);
|
|
|
CHECK_ZERO0(vtsi_mat->vts_mu_audio_attr[i].zero3);
|
|
|
CHECK_ZERO0(vtsi_mat->vts_mu_audio_attr[i].zero4);
|
|
|
CHECK_ZERO0(vtsi_mat->vts_mu_audio_attr[i].zero5);
|
|
|
CHECK_ZERO(vtsi_mat->vts_mu_audio_attr[i].zero6);
|
|
|
}
|
|
|
|
|
|
return 1;
|
|
|
}
|
|
|
|
|
|
|
|
|
static int ifoRead_PGC_COMMAND_TBL(ifo_handle_t *ifofile,
|
|
|
pgc_command_tbl_t *cmd_tbl,
|
|
|
unsigned int offset) {
|
|
|
unsigned int total;
|
|
|
|
|
|
memset(cmd_tbl, 0, sizeof(pgc_command_tbl_t));
|
|
|
|
|
|
if(!DVDFileSeek_(ifofile->file, offset))
|
|
|
return 0;
|
|
|
|
|
|
if(!(DVDReadBytes(ifofile->file, cmd_tbl, PGC_COMMAND_TBL_SIZE)))
|
|
|
return 0;
|
|
|
|
|
|
B2N_16(cmd_tbl->nr_of_pre);
|
|
|
B2N_16(cmd_tbl->nr_of_post);
|
|
|
B2N_16(cmd_tbl->nr_of_cell);
|
|
|
B2N_16(cmd_tbl->last_byte);
|
|
|
|
|
|
total = cmd_tbl->nr_of_pre + cmd_tbl->nr_of_post + cmd_tbl->nr_of_cell;
|
|
|
CHECK_VALUE(PGC_COMMAND_TBL_SIZE + total * COMMAND_DATA_SIZE
|
|
|
<= cmd_tbl->last_byte + 1U);
|
|
|
CHECK_VALUE(total <= 255);
|
|
|
|
|
|
if(cmd_tbl->nr_of_pre != 0) {
|
|
|
unsigned int pre_cmds_size = cmd_tbl->nr_of_pre * COMMAND_DATA_SIZE;
|
|
|
cmd_tbl->pre_cmds = (vm_cmd_t *)malloc(pre_cmds_size);
|
|
|
if(!cmd_tbl->pre_cmds)
|
|
|
return 0;
|
|
|
|
|
|
if(!(DVDReadBytes(ifofile->file, cmd_tbl->pre_cmds, pre_cmds_size))) {
|
|
|
free(cmd_tbl->pre_cmds);
|
|
|
return 0;
|
|
|
}
|
|
|
}
|
|
|
|
|
|
if(cmd_tbl->nr_of_post != 0) {
|
|
|
unsigned int post_cmds_size = cmd_tbl->nr_of_post * COMMAND_DATA_SIZE;
|
|
|
cmd_tbl->post_cmds = (vm_cmd_t *)malloc(post_cmds_size);
|
|
|
if(!cmd_tbl->post_cmds) {
|
|
|
if(cmd_tbl->pre_cmds)
|
|
|
free(cmd_tbl->pre_cmds);
|
|
|
return 0;
|
|
|
}
|
|
|
if(!(DVDReadBytes(ifofile->file, cmd_tbl->post_cmds, post_cmds_size))) {
|
|
|
if(cmd_tbl->pre_cmds)
|
|
|
free(cmd_tbl->pre_cmds);
|
|
|
free(cmd_tbl->post_cmds);
|
|
|
return 0;
|
|
|
}
|
|
|
}
|
|
|
|
|
|
if(cmd_tbl->nr_of_cell != 0) {
|
|
|
unsigned int cell_cmds_size = cmd_tbl->nr_of_cell * COMMAND_DATA_SIZE;
|
|
|
cmd_tbl->cell_cmds = (vm_cmd_t *)malloc(cell_cmds_size);
|
|
|
if(!cmd_tbl->cell_cmds) {
|
|
|
if(cmd_tbl->pre_cmds)
|
|
|
free(cmd_tbl->pre_cmds);
|
|
|
if(cmd_tbl->post_cmds)
|
|
|
free(cmd_tbl->post_cmds);
|
|
|
return 0;
|
|
|
}
|
|
|
if(!(DVDReadBytes(ifofile->file, cmd_tbl->cell_cmds, cell_cmds_size))) {
|
|
|
if(cmd_tbl->pre_cmds)
|
|
|
free(cmd_tbl->pre_cmds);
|
|
|
if(cmd_tbl->post_cmds)
|
|
|
free(cmd_tbl->post_cmds);
|
|
|
free(cmd_tbl->cell_cmds);
|
|
|
return 0;
|
|
|
}
|
|
|
}
|
|
|
|
|
|
/*
|
|
|
* Make a run over all the commands and see that we can interpret them all?
|
|
|
*/
|
|
|
return 1;
|
|
|
}
|
|
|
|
|
|
|
|
|
static void ifoFree_PGC_COMMAND_TBL(pgc_command_tbl_t *cmd_tbl) {
|
|
|
if(cmd_tbl) {
|
|
|
if(cmd_tbl->nr_of_pre && cmd_tbl->pre_cmds)
|
|
|
free(cmd_tbl->pre_cmds);
|
|
|
if(cmd_tbl->nr_of_post && cmd_tbl->post_cmds)
|
|
|
free(cmd_tbl->post_cmds);
|
|
|
if(cmd_tbl->nr_of_cell && cmd_tbl->cell_cmds)
|
|
|
free(cmd_tbl->cell_cmds);
|
|
|
free(cmd_tbl);
|
|
|
}
|
|
|
}
|
|
|
|
|
|
static int ifoRead_PGC_PROGRAM_MAP(ifo_handle_t *ifofile,
|
|
|
pgc_program_map_t *program_map,
|
|
|
unsigned int nr, unsigned int offset) {
|
|
|
unsigned int size = nr * sizeof(pgc_program_map_t);
|
|
|
|
|
|
if(!DVDFileSeek_(ifofile->file, offset))
|
|
|
return 0;
|
|
|
|
|
|
if(!(DVDReadBytes(ifofile->file, program_map, size)))
|
|
|
return 0;
|
|
|
|
|
|
return 1;
|
|
|
}
|
|
|
|
|
|
static int ifoRead_CELL_PLAYBACK_TBL(ifo_handle_t *ifofile,
|
|
|
cell_playback_t *cell_playback,
|
|
|
unsigned int nr, unsigned int offset) {
|
|
|
unsigned int i;
|
|
|
unsigned int size = nr * sizeof(cell_playback_t);
|
|
|
|
|
|
if(!DVDFileSeek_(ifofile->file, offset))
|
|
|
return 0;
|
|
|
|
|
|
if(!(DVDReadBytes(ifofile->file, cell_playback, size)))
|
|
|
return 0;
|
|
|
|
|
|
for(i = 0; i < nr; i++) {
|
|
|
B2N_32(cell_playback[i].first_sector);
|
|
|
B2N_32(cell_playback[i].first_ilvu_end_sector);
|
|
|
B2N_32(cell_playback[i].last_vobu_start_sector);
|
|
|
B2N_32(cell_playback[i].last_sector);
|
|
|
|
|
|
/* Changed < to <= because this was false in the movie 'Pi'. */
|
|
|
CHECK_VALUE(cell_playback[i].last_vobu_start_sector <=
|
|
|
cell_playback[i].last_sector);
|
|
|
CHECK_VALUE(cell_playback[i].first_sector <=
|
|
|
cell_playback[i].last_vobu_start_sector);
|
|
|
}
|
|
|
|
|
|
return 1;
|
|
|
}
|
|
|
|
|
|
|
|
|
static int ifoRead_CELL_POSITION_TBL(ifo_handle_t *ifofile,
|
|
|
cell_position_t *cell_position,
|
|
|
unsigned int nr, unsigned int offset) {
|
|
|
unsigned int i;
|
|
|
unsigned int size = nr * sizeof(cell_position_t);
|
|
|
|
|
|
if(!DVDFileSeek_(ifofile->file, offset))
|
|
|
return 0;
|
|
|
|
|
|
if(!(DVDReadBytes(ifofile->file, cell_position, size)))
|
|
|
return 0;
|
|
|
|
|
|
for(i = 0; i < nr; i++) {
|
|
|
B2N_16(cell_position[i].vob_id_nr);
|
|
|
CHECK_ZERO(cell_position[i].zero_1);
|
|
|
}
|
|
|
|
|
|
return 1;
|
|
|
}
|
|
|
|
|
|
static int ifoRead_PGC(ifo_handle_t *ifofile, pgc_t *pgc, unsigned int offset) {
|
|
|
unsigned int i;
|
|
|
|
|
|
if(!DVDFileSeek_(ifofile->file, offset))
|
|
|
return 0;
|
|
|
|
|
|
if(!(DVDReadBytes(ifofile->file, pgc, PGC_SIZE)))
|
|
|
return 0;
|
|
|
|
|
|
B2N_16(pgc->next_pgc_nr);
|
|
|
B2N_16(pgc->prev_pgc_nr);
|
|
|
B2N_16(pgc->goup_pgc_nr);
|
|
|
B2N_16(pgc->command_tbl_offset);
|
|
|
B2N_16(pgc->program_map_offset);
|
|
|
B2N_16(pgc->cell_playback_offset);
|
|
|
B2N_16(pgc->cell_position_offset);
|
|
|
|
|
|
for(i = 0; i < 8; i++)
|
|
|
B2N_16(pgc->audio_control[i]);
|
|
|
for(i = 0; i < 32; i++)
|
|
|
B2N_32(pgc->subp_control[i]);
|
|
|
for(i = 0; i < 16; i++)
|
|
|
B2N_32(pgc->palette[i]);
|
|
|
|
|
|
CHECK_ZERO(pgc->zero_1);
|
|
|
CHECK_VALUE(pgc->nr_of_programs <= pgc->nr_of_cells);
|
|
|
|
|
|
/* verify time (look at print_time) */
|
|
|
for(i = 0; i < 8; i++)
|
|
|
if(!pgc->audio_control[i] & 0x8000) /* The 'is present' bit */
|
|
|
CHECK_ZERO(pgc->audio_control[i]);
|
|
|
for(i = 0; i < 32; i++)
|
|
|
if(!pgc->subp_control[i] & 0x80000000) /* The 'is present' bit */
|
|
|
CHECK_ZERO(pgc->subp_control[i]);
|
|
|
|
|
|
/* Check that time is 0:0:0:0 also if nr_of_programs == 0 */
|
|
|
if(pgc->nr_of_programs == 0) {
|
|
|
CHECK_ZERO(pgc->still_time);
|
|
|
CHECK_ZERO(pgc->pg_playback_mode); /* ??*/
|
|
|
CHECK_VALUE(pgc->program_map_offset == 0);
|
|
|
CHECK_VALUE(pgc->cell_playback_offset == 0);
|
|
|
CHECK_VALUE(pgc->cell_position_offset == 0);
|
|
|
} else {
|
|
|
CHECK_VALUE(pgc->program_map_offset != 0);
|
|
|
CHECK_VALUE(pgc->cell_playback_offset != 0);
|
|
|
CHECK_VALUE(pgc->cell_position_offset != 0);
|
|
|
}
|
|
|
|
|
|
if(pgc->command_tbl_offset != 0) {
|
|
|
pgc->command_tbl = malloc(sizeof(pgc_command_tbl_t));
|
|
|
if(!pgc->command_tbl)
|
|
|
return 0;
|
|
|
|
|
|
if(!ifoRead_PGC_COMMAND_TBL(ifofile, pgc->command_tbl,
|
|
|
offset + pgc->command_tbl_offset)) {
|
|
|
free(pgc->command_tbl);
|
|
|
return 0;
|
|
|
}
|
|
|
} else {
|
|
|
pgc->command_tbl = NULL;
|
|
|
}
|
|
|
|
|
|
if(pgc->program_map_offset != 0) {
|
|
|
if(pgc->nr_of_programs != 0) {
|
|
|
|
|
|
pgc->program_map = malloc(pgc->nr_of_programs * sizeof(pgc_program_map_t));
|
|
|
if(!pgc->program_map) {
|
|
|
ifoFree_PGC_COMMAND_TBL(pgc->command_tbl);
|
|
|
return 0;
|
|
|
}
|
|
|
if(!ifoRead_PGC_PROGRAM_MAP(ifofile, pgc->program_map,pgc->nr_of_programs,
|
|
|
offset + pgc->program_map_offset)) {
|
|
|
ifoFree_PGC_COMMAND_TBL(pgc->command_tbl);
|
|
|
free(pgc->program_map);
|
|
|
return 0;
|
|
|
}
|
|
|
} else {
|
|
|
pgc->program_map = NULL;
|
|
|
}
|
|
|
} else {
|
|
|
pgc->program_map = NULL;
|
|
|
}
|
|
|
|
|
|
if(pgc->cell_playback_offset != 0) {
|
|
|
if(pgc->nr_of_cells != 0) {
|
|
|
|
|
|
pgc->cell_playback = malloc(pgc->nr_of_cells * sizeof(cell_playback_t));
|
|
|
if(!pgc->cell_playback) {
|
|
|
ifoFree_PGC_COMMAND_TBL(pgc->command_tbl);
|
|
|
if(pgc->program_map)
|
|
|
free(pgc->program_map);
|
|
|
return 0;
|
|
|
}
|
|
|
if(!ifoRead_CELL_PLAYBACK_TBL(ifofile, pgc->cell_playback,
|
|
|
pgc->nr_of_cells,
|
|
|
offset + pgc->cell_playback_offset)) {
|
|
|
ifoFree_PGC_COMMAND_TBL(pgc->command_tbl);
|
|
|
if(pgc->program_map)
|
|
|
free(pgc->program_map);
|
|
|
free(pgc->cell_playback);
|
|
|
return 0;
|
|
|
}
|
|
|
} else {
|
|
|
pgc->cell_playback = NULL;
|
|
|
}
|
|
|
} else {
|
|
|
pgc->cell_playback = NULL;
|
|
|
}
|
|
|
|
|
|
if(pgc->cell_position_offset != 0) {
|
|
|
if(pgc->nr_of_cells != 0) {
|
|
|
|
|
|
pgc->cell_position = malloc(pgc->nr_of_cells * sizeof(cell_position_t));
|
|
|
if(!pgc->cell_position) {
|
|
|
ifoFree_PGC(pgc);
|
|
|
return 0;
|
|
|
}
|
|
|
if(!ifoRead_CELL_POSITION_TBL(ifofile, pgc->cell_position,
|
|
|
pgc->nr_of_cells,
|
|
|
offset + pgc->cell_position_offset)) {
|
|
|
ifoFree_PGC(pgc);
|
|
|
return 0;
|
|
|
}
|
|
|
} else {
|
|
|
pgc->cell_position = NULL;
|
|
|
}
|
|
|
} else {
|
|
|
pgc->cell_position = NULL;
|
|
|
}
|
|
|
|
|
|
return 1;
|
|
|
}
|
|
|
|
|
|
int ifoRead_FP_PGC(ifo_handle_t *ifofile) {
|
|
|
|
|
|
if(!ifofile)
|
|
|
return 0;
|
|
|
|
|
|
if(!ifofile->vmgi_mat)
|
|
|
return 0;
|
|
|
|
|
|
/* It seems that first_play_pgc is optional after all. */
|
|
|
ifofile->first_play_pgc = 0;
|
|
|
if(ifofile->vmgi_mat->first_play_pgc == 0)
|
|
|
return 1;
|
|
|
|
|
|
ifofile->first_play_pgc = (pgc_t *)malloc(sizeof(pgc_t));
|
|
|
if(!ifofile->first_play_pgc)
|
|
|
return 0;
|
|
|
|
|
|
if(!ifoRead_PGC(ifofile, ifofile->first_play_pgc,
|
|
|
ifofile->vmgi_mat->first_play_pgc)) {
|
|
|
free(ifofile->first_play_pgc);
|
|
|
ifofile->first_play_pgc = 0;
|
|
|
return 0;
|
|
|
}
|
|
|
|
|
|
return 1;
|
|
|
}
|
|
|
|
|
|
static void ifoFree_PGC(pgc_t *pgc) {
|
|
|
if(pgc) {
|
|
|
ifoFree_PGC_COMMAND_TBL(pgc->command_tbl);
|
|
|
if(pgc->program_map)
|
|
|
free(pgc->program_map);
|
|
|
if(pgc->cell_playback)
|
|
|
free(pgc->cell_playback);
|
|
|
if(pgc->cell_position)
|
|
|
free(pgc->cell_position);
|
|
|
}
|
|
|
}
|
|
|
|
|
|
void ifoFree_FP_PGC(ifo_handle_t *ifofile) {
|
|
|
if(!ifofile)
|
|
|
return;
|
|
|
|
|
|
if(ifofile->first_play_pgc) {
|
|
|
ifoFree_PGC(ifofile->first_play_pgc);
|
|
|
free(ifofile->first_play_pgc);
|
|
|
ifofile->first_play_pgc = 0;
|
|
|
}
|
|
|
}
|
|
|
|
|
|
|
|
|
int ifoRead_TT_SRPT(ifo_handle_t *ifofile) {
|
|
|
tt_srpt_t *tt_srpt;
|
|
|
int i, info_length;
|
|
|
|
|
|
if(!ifofile)
|
|
|
return 0;
|
|
|
|
|
|
if(!ifofile->vmgi_mat)
|
|
|
return 0;
|
|
|
|
|
|
if(ifofile->vmgi_mat->tt_srpt == 0) /* mandatory */
|
|
|
return 0;
|
|
|
|
|
|
if(!DVDFileSeek_(ifofile->file, ifofile->vmgi_mat->tt_srpt * DVD_BLOCK_LEN))
|
|
|
return 0;
|
|
|
|
|
|
tt_srpt = (tt_srpt_t *)malloc(sizeof(tt_srpt_t));
|
|
|
if(!tt_srpt)
|
|
|
return 0;
|
|
|
|
|
|
ifofile->tt_srpt = tt_srpt;
|
|
|
|
|
|
if(!(DVDReadBytes(ifofile->file, tt_srpt, TT_SRPT_SIZE))) {
|
|
|
if(dvdread_verbose(device_of_file(ifofile->file)) >= 1) {
|
|
|
fprintf(stderr, "libdvdread: Unable to read read TT_SRPT.\n");
|
|
|
}
|
|
|
free(tt_srpt);
|
|
|
return 0;
|
|
|
}
|
|
|
|
|
|
B2N_16(tt_srpt->nr_of_srpts);
|
|
|
B2N_32(tt_srpt->last_byte);
|
|
|
|
|
|
info_length = tt_srpt->last_byte + 1 - TT_SRPT_SIZE;
|
|
|
|
|
|
tt_srpt->title = (title_info_t *)malloc(info_length);
|
|
|
if(!tt_srpt->title) {
|
|
|
free(tt_srpt);
|
|
|
ifofile->tt_srpt = 0;
|
|
|
return 0;
|
|
|
}
|
|
|
if(!(DVDReadBytes(ifofile->file, tt_srpt->title, info_length))) {
|
|
|
if(dvdread_verbose(device_of_file(ifofile->file)) >= 1) {
|
|
|
fprintf(stderr, "libdvdread: Unable to read read TT_SRPT.\n");
|
|
|
}
|
|
|
ifoFree_TT_SRPT(ifofile);
|
|
|
return 0;
|
|
|
}
|
|
|
|
|
|
for(i = 0; i < tt_srpt->nr_of_srpts; i++) {
|
|
|
B2N_16(tt_srpt->title[i].nr_of_ptts);
|
|
|
B2N_16(tt_srpt->title[i].parental_id);
|
|
|
B2N_32(tt_srpt->title[i].title_set_sector);
|
|
|
}
|
|
|
|
|
|
|
|
|
CHECK_ZERO(tt_srpt->zero_1);
|
|
|
CHECK_VALUE(tt_srpt->nr_of_srpts != 0);
|
|
|
CHECK_VALUE(tt_srpt->nr_of_srpts < 100); /*??*/
|
|
|
CHECK_VALUE(tt_srpt->nr_of_srpts * sizeof(title_info_t) <= info_length);
|
|
|
|
|
|
for(i = 0; i < tt_srpt->nr_of_srpts; i++) {
|
|
|
CHECK_VALUE(tt_srpt->title[i].pb_ty.zero_1 == 0);
|
|
|
CHECK_VALUE(tt_srpt->title[i].nr_of_angles != 0);
|
|
|
CHECK_VALUE(tt_srpt->title[i].nr_of_angles < 10);
|
|
|
/*CHECK_VALUE(tt_srpt->title[i].nr_of_ptts != 0);
|
|
|
/ XXX: this assertion breaks Ghostbusters:*/
|
|
|
CHECK_VALUE(tt_srpt->title[i].nr_of_ptts < 1000); /*??*/
|
|
|
CHECK_VALUE(tt_srpt->title[i].title_set_nr != 0);
|
|
|
CHECK_VALUE(tt_srpt->title[i].title_set_nr < 100); /* ?? */
|
|
|
CHECK_VALUE(tt_srpt->title[i].vts_ttn != 0);
|
|
|
CHECK_VALUE(tt_srpt->title[i].vts_ttn < 100); /* ?? */
|
|
|
/*CHECK_VALUE(tt_srpt->title[i].title_set_sector != 0);*/
|
|
|
}
|
|
|
|
|
|
/* Make this a function*/
|
|
|
#if 0
|
|
|
if(memcmp((uint8_t *)tt_srpt->title +
|
|
|
tt_srpt->nr_of_srpts * sizeof(title_info_t),
|
|
|
my_friendly_zeros,
|
|
|
info_length - tt_srpt->nr_of_srpts * sizeof(title_info_t))) {
|
|
|
fprintf(stderr, "VMG_PTT_SRPT slack is != 0, ");
|
|
|
hexdump((uint8_t *)tt_srpt->title +
|
|
|
tt_srpt->nr_of_srpts * sizeof(title_info_t),
|
|
|
info_length - tt_srpt->nr_of_srpts * sizeof(title_info_t));
|
|
|
}
|
|
|
#endif
|
|
|
|
|
|
return 1;
|
|
|
}
|
|
|
|
|
|
|
|
|
void ifoFree_TT_SRPT(ifo_handle_t *ifofile) {
|
|
|
if(!ifofile)
|
|
|
return;
|
|
|
|
|
|
if(ifofile->tt_srpt) {
|
|
|
free(ifofile->tt_srpt->title);
|
|
|
free(ifofile->tt_srpt);
|
|
|
ifofile->tt_srpt = 0;
|
|
|
}
|
|
|
}
|
|
|
|
|
|
|
|
|
int ifoRead_VTS_PTT_SRPT(ifo_handle_t *ifofile) {
|
|
|
vts_ptt_srpt_t *vts_ptt_srpt;
|
|
|
int info_length, i, j;
|
|
|
uint32_t *data;
|
|
|
|
|
|
if(!ifofile)
|
|
|
return 0;
|
|
|
|
|
|
if(!ifofile->vtsi_mat)
|
|
|
return 0;
|
|
|
|
|
|
if(ifofile->vtsi_mat->vts_ptt_srpt == 0) /* mandatory */
|
|
|
return 0;
|
|
|
|
|
|
if(!DVDFileSeek_(ifofile->file,
|
|
|
ifofile->vtsi_mat->vts_ptt_srpt * DVD_BLOCK_LEN))
|
|
|
return 0;
|
|
|
|
|
|
vts_ptt_srpt = (vts_ptt_srpt_t *)malloc(sizeof(vts_ptt_srpt_t));
|
|
|
if(!vts_ptt_srpt)
|
|
|
return 0;
|
|
|
|
|
|
ifofile->vts_ptt_srpt = vts_ptt_srpt;
|
|
|
|
|
|
if(!(DVDReadBytes(ifofile->file, vts_ptt_srpt, VTS_PTT_SRPT_SIZE))) {
|
|
|
if(dvdread_verbose(device_of_file(ifofile->file)) >= 1) {
|
|
|
fprintf(stderr, "libdvdread: Unable to read PTT search table.\n");
|
|
|
}
|
|
|
free(vts_ptt_srpt);
|
|
|
return 0;
|
|
|
}
|
|
|
|
|
|
B2N_16(vts_ptt_srpt->nr_of_srpts);
|
|
|
B2N_32(vts_ptt_srpt->last_byte);
|
|
|
|
|
|
CHECK_ZERO(vts_ptt_srpt->zero_1);
|
|
|
CHECK_VALUE(vts_ptt_srpt->nr_of_srpts != 0);
|
|
|
CHECK_VALUE(vts_ptt_srpt->nr_of_srpts < 100); /* ??*/
|
|
|
|
|
|
info_length = vts_ptt_srpt->last_byte + 1 - VTS_PTT_SRPT_SIZE;
|
|
|
|
|
|
data = (uint32_t *)malloc(info_length);
|
|
|
if(!data) {
|
|
|
free(vts_ptt_srpt);
|
|
|
ifofile->vts_ptt_srpt = 0;
|
|
|
return 0;
|
|
|
}
|
|
|
if(!(DVDReadBytes(ifofile->file, data, info_length))) {
|
|
|
if(dvdread_verbose(device_of_file(ifofile->file)) >= 1) {
|
|
|
fprintf(stderr, "libdvdread: Unable to read PTT search table.\n");
|
|
|
}
|
|
|
free(vts_ptt_srpt);
|
|
|
free(data);
|
|
|
ifofile->vts_ptt_srpt = 0;
|
|
|
return 0;
|
|
|
}
|
|
|
|
|
|
for(i = 0; i < vts_ptt_srpt->nr_of_srpts; i++) {
|
|
|
B2N_32(data[i]);
|
|
|
/* assert(data[i] + sizeof(ptt_info_t) <= vts_ptt_srpt->last_byte + 1);
|
|
|
Magic Knight Rayearth Daybreak is mastered very strange and has
|
|
|
Titles with 0 PTTs. They all have a data[i] offsets beyond the end of
|
|
|
of the vts_ptt_srpt structure. */
|
|
|
CHECK_VALUE(data[i] + sizeof(ptt_info_t) <= vts_ptt_srpt->last_byte + 1 + 4);
|
|
|
}
|
|
|
|
|
|
vts_ptt_srpt->ttu_offset = data;
|
|
|
|
|
|
vts_ptt_srpt->title = malloc(vts_ptt_srpt->nr_of_srpts * sizeof(ttu_t));
|
|
|
if(!vts_ptt_srpt->title) {
|
|
|
free(vts_ptt_srpt);
|
|
|
free(data);
|
|
|
ifofile->vts_ptt_srpt = 0;
|
|
|
return 0;
|
|
|
}
|
|
|
for(i = 0; i < vts_ptt_srpt->nr_of_srpts; i++) {
|
|
|
int n;
|
|
|
if(i < vts_ptt_srpt->nr_of_srpts - 1)
|
|
|
n = (data[i+1] - data[i]);
|
|
|
else
|
|
|
n = (vts_ptt_srpt->last_byte + 1 - data[i]);
|
|
|
/* assert(n > 0 && (n % 4) == 0);
|
|
|
Magic Knight Rayearth Daybreak is mastered very strange and has
|
|
|
Titles with 0 PTTs. */
|
|
|
if(n < 0) n = 0;
|
|
|
CHECK_VALUE(n % 4 == 0);
|
|
|
|
|
|
vts_ptt_srpt->title[i].nr_of_ptts = n / 4;
|
|
|
vts_ptt_srpt->title[i].ptt = malloc(n * sizeof(ptt_info_t));
|
|
|
if(!vts_ptt_srpt->title[i].ptt) {
|
|
|
for(n = 0; n < i; n++)
|
|
|
free(vts_ptt_srpt->title[n].ptt);
|
|
|
free(vts_ptt_srpt);
|
|
|
free(data);
|
|
|
ifofile->vts_ptt_srpt = 0;
|
|
|
return 0;
|
|
|
}
|
|
|
for(j = 0; j < vts_ptt_srpt->title[i].nr_of_ptts; j++) {
|
|
|
/* The assert placed here because of Magic Knight Rayearth Daybreak */
|
|
|
CHECK_VALUE(data[i] + sizeof(ptt_info_t) <= vts_ptt_srpt->last_byte + 1);
|
|
|
vts_ptt_srpt->title[i].ptt[j].pgcn
|
|
|
= *(uint16_t*)(((char *)data) + data[i] + 4*j - VTS_PTT_SRPT_SIZE);
|
|
|
vts_ptt_srpt->title[i].ptt[j].pgn
|
|
|
= *(uint16_t*)(((char *)data) + data[i] + 4*j + 2 - VTS_PTT_SRPT_SIZE);
|
|
|
}
|
|
|
}
|
|
|
|
|
|
for(i = 0; i < vts_ptt_srpt->nr_of_srpts; i++) {
|
|
|
for(j = 0; j < vts_ptt_srpt->title[i].nr_of_ptts; j++) {
|
|
|
B2N_16(vts_ptt_srpt->title[i].ptt[j].pgcn);
|
|
|
B2N_16(vts_ptt_srpt->title[i].ptt[j].pgn);
|
|
|
}
|
|
|
}
|
|
|
|
|
|
for(i = 0; i < vts_ptt_srpt->nr_of_srpts; i++) {
|
|
|
CHECK_VALUE(vts_ptt_srpt->title[i].nr_of_ptts < 1000); /* ??*/
|
|
|
for(j = 0; j < vts_ptt_srpt->title[i].nr_of_ptts; j++) {
|
|
|
CHECK_VALUE(vts_ptt_srpt->title[i].ptt[j].pgcn != 0 );
|
|
|
CHECK_VALUE(vts_ptt_srpt->title[i].ptt[j].pgcn < 1000); /* ??*/
|
|
|
CHECK_VALUE(vts_ptt_srpt->title[i].ptt[j].pgn != 0);
|
|
|
CHECK_VALUE(vts_ptt_srpt->title[i].ptt[j].pgn < 100); /* ?? */
|
|
|
}
|
|
|
}
|
|
|
|
|
|
return 1;
|
|
|
}
|
|
|
|
|
|
|
|
|
void ifoFree_VTS_PTT_SRPT(ifo_handle_t *ifofile) {
|
|
|
if(!ifofile)
|
|
|
return;
|
|
|
|
|
|
if(ifofile->vts_ptt_srpt) {
|
|
|
int i;
|
|
|
for(i = 0; i < ifofile->vts_ptt_srpt->nr_of_srpts; i++)
|
|
|
free(ifofile->vts_ptt_srpt->title[i].ptt);
|
|
|
free(ifofile->vts_ptt_srpt->ttu_offset);
|
|
|
free(ifofile->vts_ptt_srpt->title);
|
|
|
free(ifofile->vts_ptt_srpt);
|
|
|
ifofile->vts_ptt_srpt = 0;
|
|
|
}
|
|
|
}
|
|
|
|
|
|
|
|
|
int ifoRead_PTL_MAIT(ifo_handle_t *ifofile) {
|
|
|
ptl_mait_t *ptl_mait;
|
|
|
int info_length;
|
|
|
unsigned int i, j;
|
|
|
|
|
|
if(!ifofile)
|
|
|
return 0;
|
|
|
|
|
|
if(!ifofile->vmgi_mat)
|
|
|
return 0;
|
|
|
|
|
|
if(ifofile->vmgi_mat->ptl_mait == 0)
|
|
|
return 1;
|
|
|
|
|
|
if(!DVDFileSeek_(ifofile->file, ifofile->vmgi_mat->ptl_mait * DVD_BLOCK_LEN))
|
|
|
return 0;
|
|
|
|
|
|
ptl_mait = (ptl_mait_t *)malloc(sizeof(ptl_mait_t));
|
|
|
if(!ptl_mait)
|
|
|
return 0;
|
|
|
|
|
|
ifofile->ptl_mait = ptl_mait;
|
|
|
|
|
|
if(!(DVDReadBytes(ifofile->file, ptl_mait, PTL_MAIT_SIZE))) {
|
|
|
free(ptl_mait);
|
|
|
ifofile->ptl_mait = 0;
|
|
|
return 0;
|
|
|
}
|
|
|
|
|
|
B2N_16(ptl_mait->nr_of_countries);
|
|
|
B2N_16(ptl_mait->nr_of_vtss);
|
|
|
B2N_32(ptl_mait->last_byte);
|
|
|
|
|
|
CHECK_VALUE(ptl_mait->nr_of_countries != 0);
|
|
|
CHECK_VALUE(ptl_mait->nr_of_countries < 100); /* ?? */
|
|
|
CHECK_VALUE(ptl_mait->nr_of_vtss != 0);
|
|
|
CHECK_VALUE(ptl_mait->nr_of_vtss < 100); /* ?? */
|
|
|
CHECK_VALUE(ptl_mait->nr_of_countries * PTL_MAIT_COUNTRY_SIZE
|
|
|
<= ptl_mait->last_byte + 1 - PTL_MAIT_SIZE);
|
|
|
|
|
|
info_length = ptl_mait->nr_of_countries * sizeof(ptl_mait_country_t);
|
|
|
ptl_mait->countries = (ptl_mait_country_t *)malloc(info_length);
|
|
|
if(!ptl_mait->countries) {
|
|
|
free(ptl_mait);
|
|
|
ifofile->ptl_mait = 0;
|
|
|
return 0;
|
|
|
}
|
|
|
|
|
|
for(i = 0; i < ptl_mait->nr_of_countries; i++) {
|
|
|
if(!(DVDReadBytes(ifofile->file, &ptl_mait->countries[i], PTL_MAIT_COUNTRY_SIZE))) {
|
|
|
if(dvdread_verbose(device_of_file(ifofile->file)) >= 1) {
|
|
|
fprintf(stderr, "libdvdread: Unable to read PTL_MAIT.\n");
|
|
|
}
|
|
|
free(ptl_mait->countries);
|
|
|
free(ptl_mait);
|
|
|
ifofile->ptl_mait = 0;
|
|
|
return 0;
|
|
|
}
|
|
|
}
|
|
|
|
|
|
for(i = 0; i < ptl_mait->nr_of_countries; i++) {
|
|
|
B2N_16(ptl_mait->countries[i].country_code);
|
|
|
B2N_16(ptl_mait->countries[i].pf_ptl_mai_start_byte);
|
|
|
}
|
|
|
|
|
|
for(i = 0; i < ptl_mait->nr_of_countries; i++) {
|
|
|
CHECK_ZERO(ptl_mait->countries[i].zero_1);
|
|
|
CHECK_ZERO(ptl_mait->countries[i].zero_2);
|
|
|
CHECK_VALUE(ptl_mait->countries[i].pf_ptl_mai_start_byte +
|
|
|
16U * (ptl_mait->nr_of_vtss + 1) <= ptl_mait->last_byte + 1U);
|
|
|
}
|
|
|
|
|
|
for(i = 0; i < ptl_mait->nr_of_countries; i++) {
|
|
|
uint16_t *pf_temp;
|
|
|
|
|
|
if(!DVDFileSeek_(ifofile->file,
|
|
|
ifofile->vmgi_mat->ptl_mait * DVD_BLOCK_LEN
|
|
|
+ ptl_mait->countries[i].pf_ptl_mai_start_byte)) {
|
|
|
if(dvdread_verbose(device_of_file(ifofile->file)) >= 1) {
|
|
|
fprintf(stderr, "libdvdread: Unable to seak PTL_MAIT table.\n");
|
|
|
}
|
|
|
free(ptl_mait->countries);
|
|
|
free(ptl_mait);
|
|
|
return 0;
|
|
|
}
|
|
|
info_length = (ptl_mait->nr_of_vtss + 1) * sizeof(pf_level_t);
|
|
|
pf_temp = (uint16_t *)malloc(info_length);
|
|
|
if(!pf_temp) {
|
|
|
for(j = 0; j < i ; j++) {
|
|
|
free(ptl_mait->countries[j].pf_ptl_mai);
|
|
|
}
|
|
|
free(ptl_mait->countries);
|
|
|
free(ptl_mait);
|
|
|
return 0;
|
|
|
}
|
|
|
if(!(DVDReadBytes(ifofile->file, pf_temp, info_length))) {
|
|
|
if(dvdread_verbose(device_of_file(ifofile->file)) >= 1) {
|
|
|
fprintf(stderr, "libdvdread: Unable to read PTL_MAIT table.\n");
|
|
|
}
|
|
|
free(pf_temp);
|
|
|
for(j = 0; j < i ; j++) {
|
|
|
free(ptl_mait->countries[j].pf_ptl_mai);
|
|
|
}
|
|
|
free(ptl_mait->countries);
|
|
|
free(ptl_mait);
|
|
|
return 0;
|
|
|
}
|
|
|
for (j = 0; j < ((ptl_mait->nr_of_vtss + 1) * 8); j++) {
|
|
|
B2N_16(pf_temp[j]);
|
|
|
}
|
|
|
ptl_mait->countries[i].pf_ptl_mai = (pf_level_t *)malloc(info_length);
|
|
|
if(!ptl_mait->countries[i].pf_ptl_mai) {
|
|
|
free(pf_temp);
|
|
|
for(j = 0; j < i ; j++) {
|
|
|
free(ptl_mait->countries[j].pf_ptl_mai);
|
|
|
}
|
|
|
free(ptl_mait->countries);
|
|
|
free(ptl_mait);
|
|
|
return 0;
|
|
|
}
|
|
|
{ /* Transpose the array so we can use C indexing. */
|
|
|
int level, vts;
|
|
|
for(level = 0; level < 8; level++) {
|
|
|
for(vts = 0; vts <= ptl_mait->nr_of_vtss; vts++) {
|
|
|
ptl_mait->countries[i].pf_ptl_mai[vts][level] =
|
|
|
pf_temp[(7-level)*(ptl_mait->nr_of_vtss+1) + vts];
|
|
|
}
|
|
|
}
|
|
|
free(pf_temp);
|
|
|
}
|
|
|
}
|
|
|
return 1;
|
|
|
}
|
|
|
|
|
|
void ifoFree_PTL_MAIT(ifo_handle_t *ifofile) {
|
|
|
unsigned int i;
|
|
|
|
|
|
if(!ifofile)
|
|
|
return;
|
|
|
|
|
|
if(ifofile->ptl_mait) {
|
|
|
for(i = 0; i < ifofile->ptl_mait->nr_of_countries; i++) {
|
|
|
free(ifofile->ptl_mait->countries[i].pf_ptl_mai);
|
|
|
}
|
|
|
free(ifofile->ptl_mait->countries);
|
|
|
free(ifofile->ptl_mait);
|
|
|
ifofile->ptl_mait = 0;
|
|
|
}
|
|
|
}
|
|
|
|
|
|
int ifoRead_VTS_TMAPT(ifo_handle_t *ifofile) {
|
|
|
vts_tmapt_t *vts_tmapt;
|
|
|
uint32_t *vts_tmap_srp;
|
|
|
unsigned int offset;
|
|
|
int info_length;
|
|
|
unsigned int i, j;
|
|
|
|
|
|
if(!ifofile)
|
|
|
return 0;
|
|
|
|
|
|
if(!ifofile->vtsi_mat)
|
|
|
return 0;
|
|
|
|
|
|
/* Seems to be optional, at least when there are no OneSequencial Titles */
|
|
|
if(ifofile->vtsi_mat->vts_tmapt == 0) {
|
|
|
ifofile->vts_tmapt = NULL;
|
|
|
return 1;
|
|
|
}
|
|
|
|
|
|
offset = ifofile->vtsi_mat->vts_tmapt * DVD_BLOCK_LEN;
|
|
|
|
|
|
if(!DVDFileSeek_(ifofile->file, offset))
|
|
|
return 0;
|
|
|
|
|
|
vts_tmapt = (vts_tmapt_t *)malloc(sizeof(vts_tmapt_t));
|
|
|
if(!vts_tmapt)
|
|
|
return 0;
|
|
|
|
|
|
ifofile->vts_tmapt = vts_tmapt;
|
|
|
|
|
|
if(!(DVDReadBytes(ifofile->file, vts_tmapt, VTS_TMAPT_SIZE))) {
|
|
|
if(dvdread_verbose(device_of_file(ifofile->file)) >= 1) {
|
|
|
fprintf(stderr, "libdvdread: Unable to read VTS_TMAPT.\n");
|
|
|
}
|
|
|
free(vts_tmapt);
|
|
|
ifofile->vts_tmapt = NULL;
|
|
|
return 0;
|
|
|
}
|
|
|
|
|
|
B2N_16(vts_tmapt->nr_of_tmaps);
|
|
|
B2N_32(vts_tmapt->last_byte);
|
|
|
|
|
|
CHECK_ZERO(vts_tmapt->zero_1);
|
|
|
|
|
|
info_length = vts_tmapt->nr_of_tmaps * 4;
|
|
|
|
|
|
vts_tmap_srp = (uint32_t *)malloc(info_length);
|
|
|
if(!vts_tmap_srp) {
|
|
|
free(vts_tmapt);
|
|
|
ifofile->vts_tmapt = NULL;
|
|
|
return 0;
|
|
|
}
|
|
|
|
|
|
vts_tmapt->tmap_offset = vts_tmap_srp;
|
|
|
|
|
|
if(!(DVDReadBytes(ifofile->file, vts_tmap_srp, info_length))) {
|
|
|
if(dvdread_verbose(device_of_file(ifofile->file)) >= 1) {
|
|
|
fprintf(stderr, "libdvdread: Unable to read VTS_TMAPT.\n");
|
|
|
}
|
|
|
free(vts_tmap_srp);
|
|
|
free(vts_tmapt);
|
|
|
ifofile->vts_tmapt = NULL;
|
|
|
return 0;
|
|
|
}
|
|
|
|
|
|
for (i = 0; i < vts_tmapt->nr_of_tmaps; i++) {
|
|
|
B2N_32(vts_tmap_srp[i]);
|
|
|
}
|
|
|
|
|
|
|
|
|
info_length = vts_tmapt->nr_of_tmaps * sizeof(vts_tmap_t);
|
|
|
|
|
|
vts_tmapt->tmap = (vts_tmap_t *)malloc(info_length);
|
|
|
if(!vts_tmapt->tmap) {
|
|
|
free(vts_tmap_srp);
|
|
|
free(vts_tmapt);
|
|
|
ifofile->vts_tmapt = NULL;
|
|
|
return 0;
|
|
|
}
|
|
|
|
|
|
memset(vts_tmapt->tmap, 0, info_length); /* So ifoFree_VTS_TMAPT works. */
|
|
|
|
|
|
for(i = 0; i < vts_tmapt->nr_of_tmaps; i++) {
|
|
|
if(!DVDFileSeek_(ifofile->file, offset + vts_tmap_srp[i])) {
|
|
|
ifoFree_VTS_TMAPT(ifofile);
|
|
|
return 0;
|
|
|
}
|
|
|
|
|
|
if(!(DVDReadBytes(ifofile->file, &vts_tmapt->tmap[i], VTS_TMAP_SIZE))) {
|
|
|
if(dvdread_verbose(device_of_file(ifofile->file)) >= 1) {
|
|
|
fprintf(stderr, "libdvdread: Unable to read VTS_TMAP.\n");
|
|
|
}
|
|
|
ifoFree_VTS_TMAPT(ifofile);
|
|
|
return 0;
|
|
|
}
|
|
|
|
|
|
B2N_16(vts_tmapt->tmap[i].nr_of_entries);
|
|
|
CHECK_ZERO(vts_tmapt->tmap[i].zero_1);
|
|
|
|
|
|
if(vts_tmapt->tmap[i].nr_of_entries == 0) { /* Early out if zero entries */
|
|
|
vts_tmapt->tmap[i].map_ent = NULL;
|
|
|
continue;
|
|
|
}
|
|
|
|
|
|
info_length = vts_tmapt->tmap[i].nr_of_entries * sizeof(map_ent_t);
|
|
|
|
|
|
vts_tmapt->tmap[i].map_ent = (map_ent_t *)malloc(info_length);
|
|
|
if(!vts_tmapt->tmap[i].map_ent) {
|
|
|
ifoFree_VTS_TMAPT(ifofile);
|
|
|
return 0;
|
|
|
}
|
|
|
|
|
|
if(!(DVDReadBytes(ifofile->file, vts_tmapt->tmap[i].map_ent, info_length))) {
|
|
|
if(dvdread_verbose(device_of_file(ifofile->file)) >= 1) {
|
|
|
fprintf(stderr, "libdvdread: Unable to read VTS_TMAP_ENT.\n");
|
|
|
}
|
|
|
ifoFree_VTS_TMAPT(ifofile);
|
|
|
return 0;
|
|
|
}
|
|
|
|
|
|
for(j = 0; j < vts_tmapt->tmap[i].nr_of_entries; j++)
|
|
|
B2N_32(vts_tmapt->tmap[i].map_ent[j]);
|
|
|
}
|
|
|
|
|
|
return 1;
|
|
|
}
|
|
|
|
|
|
void ifoFree_VTS_TMAPT(ifo_handle_t *ifofile) {
|
|
|
unsigned int i;
|
|
|
|
|
|
if(!ifofile)
|
|
|
return;
|
|
|
|
|
|
if(ifofile->vts_tmapt) {
|
|
|
for(i = 0; i < ifofile->vts_tmapt->nr_of_tmaps; i++)
|
|
|
if(ifofile->vts_tmapt->tmap[i].map_ent)
|
|
|
free(ifofile->vts_tmapt->tmap[i].map_ent);
|
|
|
free(ifofile->vts_tmapt->tmap);
|
|
|
free(ifofile->vts_tmapt->tmap_offset);
|
|
|
free(ifofile->vts_tmapt);
|
|
|
ifofile->vts_tmapt = NULL;
|
|
|
}
|
|
|
}
|
|
|
|
|
|
|
|
|
int ifoRead_TITLE_C_ADT(ifo_handle_t *ifofile) {
|
|
|
|
|
|
if(!ifofile)
|
|
|
return 0;
|
|
|
|
|
|
if(!ifofile->vtsi_mat)
|
|
|
return 0;
|
|
|
|
|
|
if(ifofile->vtsi_mat->vts_c_adt == 0) /* mandatory */
|
|
|
return 0;
|
|
|
|
|
|
ifofile->vts_c_adt = (c_adt_t *)malloc(sizeof(c_adt_t));
|
|
|
if(!ifofile->vts_c_adt)
|
|
|
return 0;
|
|
|
|
|
|
if(!ifoRead_C_ADT_internal(ifofile, ifofile->vts_c_adt,
|
|
|
ifofile->vtsi_mat->vts_c_adt)) {
|
|
|
free(ifofile->vts_c_adt);
|
|
|
ifofile->vts_c_adt = 0;
|
|
|
return 0;
|
|
|
}
|
|
|
|
|
|
return 1;
|
|
|
}
|
|
|
|
|
|
int ifoRead_C_ADT(ifo_handle_t *ifofile) {
|
|
|
unsigned int sector;
|
|
|
|
|
|
if(!ifofile)
|
|
|
return 0;
|
|
|
|
|
|
if(ifofile->vmgi_mat) {
|
|
|
if(ifofile->vmgi_mat->vmgm_c_adt == 0)
|
|
|
return 1;
|
|
|
sector = ifofile->vmgi_mat->vmgm_c_adt;
|
|
|
} else if(ifofile->vtsi_mat) {
|
|
|
if(ifofile->vtsi_mat->vtsm_c_adt == 0)
|
|
|
return 1;
|
|
|
sector = ifofile->vtsi_mat->vtsm_c_adt;
|
|
|
} else {
|
|
|
return 0;
|
|
|
}
|
|
|
|
|
|
ifofile->menu_c_adt = (c_adt_t *)malloc(sizeof(c_adt_t));
|
|
|
if(!ifofile->menu_c_adt)
|
|
|
return 0;
|
|
|
|
|
|
if(!ifoRead_C_ADT_internal(ifofile, ifofile->menu_c_adt, sector)) {
|
|
|
free(ifofile->menu_c_adt);
|
|
|
ifofile->menu_c_adt = 0;
|
|
|
return 0;
|
|
|
}
|
|
|
|
|
|
return 1;
|
|
|
}
|
|
|
|
|
|
static int ifoRead_C_ADT_internal(ifo_handle_t *ifofile,
|
|
|
c_adt_t *c_adt, unsigned int sector) {
|
|
|
int i, info_length;
|
|
|
|
|
|
if(!DVDFileSeek_(ifofile->file, sector * DVD_BLOCK_LEN))
|
|
|
return 0;
|
|
|
|
|
|
if(!(DVDReadBytes(ifofile->file, c_adt, C_ADT_SIZE)))
|
|
|
return 0;
|
|
|
|
|
|
B2N_16(c_adt->nr_of_vobs);
|
|
|
B2N_32(c_adt->last_byte);
|
|
|
|
|
|
info_length = c_adt->last_byte + 1 - C_ADT_SIZE;
|
|
|
|
|
|
CHECK_ZERO(c_adt->zero_1);
|
|
|
/* assert(c_adt->nr_of_vobs > 0);
|
|
|
Magic Knight Rayearth Daybreak is mastered very strange and has
|
|
|
Titles with a VOBS that has no cells. */
|
|
|
CHECK_VALUE(info_length % sizeof(cell_adr_t) == 0);
|
|
|
|
|
|
/* assert(info_length / sizeof(cell_adr_t) >= c_adt->nr_of_vobs);
|
|
|
Enemy of the State region 2 (de) has Titles where nr_of_vobs field
|
|
|
is to high, they high ones are never referenced though. */
|
|
|
if(info_length / sizeof(cell_adr_t) < c_adt->nr_of_vobs) {
|
|
|
if(dvdread_verbose(device_of_file(ifofile->file)) >= 1) {
|
|
|
fprintf(stderr, "libdvdread: *C_ADT nr_of_vobs > avaiable info entries\n");
|
|
|
}
|
|
|
c_adt->nr_of_vobs = info_length / sizeof(cell_adr_t);
|
|
|
}
|
|
|
|
|
|
c_adt->cell_adr_table = (cell_adr_t *)malloc(info_length);
|
|
|
if(!c_adt->cell_adr_table)
|
|
|
return 0;
|
|
|
|
|
|
if(info_length &&
|
|
|
!(DVDReadBytes(ifofile->file, c_adt->cell_adr_table, info_length))) {
|
|
|
free(c_adt->cell_adr_table);
|
|
|
return 0;
|
|
|
}
|
|
|
|
|
|
for(i = 0; i < info_length/sizeof(cell_adr_t); i++) {
|
|
|
B2N_16(c_adt->cell_adr_table[i].vob_id);
|
|
|
B2N_32(c_adt->cell_adr_table[i].start_sector);
|
|
|
B2N_32(c_adt->cell_adr_table[i].last_sector);
|
|
|
|
|
|
CHECK_ZERO(c_adt->cell_adr_table[i].zero_1);
|
|
|
CHECK_VALUE(c_adt->cell_adr_table[i].vob_id > 0);
|
|
|
CHECK_VALUE(c_adt->cell_adr_table[i].vob_id <= c_adt->nr_of_vobs);
|
|
|
CHECK_VALUE(c_adt->cell_adr_table[i].cell_id > 0);
|
|
|
CHECK_VALUE(c_adt->cell_adr_table[i].start_sector <
|
|
|
c_adt->cell_adr_table[i].last_sector);
|
|
|
}
|
|
|
|
|
|
return 1;
|
|
|
}
|
|
|
|
|
|
|
|
|
static void ifoFree_C_ADT_internal(c_adt_t *c_adt) {
|
|
|
if(c_adt) {
|
|
|
free(c_adt->cell_adr_table);
|
|
|
free(c_adt);
|
|
|
}
|
|
|
}
|
|
|
|
|
|
void ifoFree_C_ADT(ifo_handle_t *ifofile) {
|
|
|
if(!ifofile)
|
|
|
return;
|
|
|
|
|
|
ifoFree_C_ADT_internal(ifofile->menu_c_adt);
|
|
|
ifofile->menu_c_adt = 0;
|
|
|
}
|
|
|
|
|
|
void ifoFree_TITLE_C_ADT(ifo_handle_t *ifofile) {
|
|
|
if(!ifofile)
|
|
|
return;
|
|
|
|
|
|
ifoFree_C_ADT_internal(ifofile->vts_c_adt);
|
|
|
ifofile->vts_c_adt = 0;
|
|
|
}
|
|
|
|
|
|
int ifoRead_TITLE_VOBU_ADMAP(ifo_handle_t *ifofile) {
|
|
|
if(!ifofile)
|
|
|
return 0;
|
|
|
|
|
|
if(!ifofile->vtsi_mat)
|
|
|
return 0;
|
|
|
|
|
|
if(ifofile->vtsi_mat->vts_vobu_admap == 0) /* mandatory */
|
|
|
return 0;
|
|
|
|
|
|
ifofile->vts_vobu_admap = (vobu_admap_t *)malloc(sizeof(vobu_admap_t));
|
|
|
if(!ifofile->vts_vobu_admap)
|
|
|
return 0;
|
|
|
|
|
|
if(!ifoRead_VOBU_ADMAP_internal(ifofile, ifofile->vts_vobu_admap,
|
|
|
ifofile->vtsi_mat->vts_vobu_admap)) {
|
|
|
free(ifofile->vts_vobu_admap);
|
|
|
ifofile->vts_vobu_admap = 0;
|
|
|
return 0;
|
|
|
}
|
|
|
|
|
|
return 1;
|
|
|
}
|
|
|
|
|
|
int ifoRead_VOBU_ADMAP(ifo_handle_t *ifofile) {
|
|
|
unsigned int sector;
|
|
|
|
|
|
if(!ifofile)
|
|
|
return 0;
|
|
|
|
|
|
if(ifofile->vmgi_mat) {
|
|
|
if(ifofile->vmgi_mat->vmgm_vobu_admap == 0)
|
|
|
return 1;
|
|
|
sector = ifofile->vmgi_mat->vmgm_vobu_admap;
|
|
|
} else if(ifofile->vtsi_mat) {
|
|
|
if(ifofile->vtsi_mat->vtsm_vobu_admap == 0)
|
|
|
return 1;
|
|
|
sector = ifofile->vtsi_mat->vtsm_vobu_admap;
|
|
|
} else {
|
|
|
return 0;
|
|
|
}
|
|
|
|
|
|
ifofile->menu_vobu_admap = (vobu_admap_t *)malloc(sizeof(vobu_admap_t));
|
|
|
if(!ifofile->menu_vobu_admap)
|
|
|
return 0;
|
|
|
|
|
|
if(!ifoRead_VOBU_ADMAP_internal(ifofile, ifofile->menu_vobu_admap, sector)) {
|
|
|
free(ifofile->menu_vobu_admap);
|
|
|
ifofile->menu_vobu_admap = 0;
|
|
|
return 0;
|
|
|
}
|
|
|
|
|
|
return 1;
|
|
|
}
|
|
|
|
|
|
static int ifoRead_VOBU_ADMAP_internal(ifo_handle_t *ifofile,
|
|
|
vobu_admap_t *vobu_admap,
|
|
|
unsigned int sector) {
|
|
|
unsigned int i;
|
|
|
int info_length;
|
|
|
|
|
|
if(!DVDFileSeek_(ifofile->file, sector * DVD_BLOCK_LEN))
|
|
|
return 0;
|
|
|
|
|
|
if(!(DVDReadBytes(ifofile->file, vobu_admap, VOBU_ADMAP_SIZE)))
|
|
|
return 0;
|
|
|
|
|
|
B2N_32(vobu_admap->last_byte);
|
|
|
|
|
|
info_length = vobu_admap->last_byte + 1 - VOBU_ADMAP_SIZE;
|
|
|
/* assert(info_length > 0);
|
|
|
Magic Knight Rayearth Daybreak is mastered very strange and has
|
|
|
Titles with a VOBS that has no VOBUs. */
|
|
|
CHECK_VALUE(info_length % sizeof(uint32_t) == 0);
|
|
|
|
|
|
vobu_admap->vobu_start_sectors = (uint32_t *)malloc(info_length);
|
|
|
if(!vobu_admap->vobu_start_sectors) {
|
|
|
return 0;
|
|
|
}
|
|
|
if(info_length &&
|
|
|
!(DVDReadBytes(ifofile->file,
|
|
|
vobu_admap->vobu_start_sectors, info_length))) {
|
|
|
free(vobu_admap->vobu_start_sectors);
|
|
|
return 0;
|
|
|
}
|
|
|
|
|
|
for(i = 0; i < info_length/sizeof(uint32_t); i++)
|
|
|
B2N_32(vobu_admap->vobu_start_sectors[i]);
|
|
|
|
|
|
return 1;
|
|
|
}
|
|
|
|
|
|
|
|
|
static void ifoFree_VOBU_ADMAP_internal(vobu_admap_t *vobu_admap) {
|
|
|
if(vobu_admap) {
|
|
|
free(vobu_admap->vobu_start_sectors);
|
|
|
free(vobu_admap);
|
|
|
}
|
|
|
}
|
|
|
|
|
|
void ifoFree_VOBU_ADMAP(ifo_handle_t *ifofile) {
|
|
|
if(!ifofile)
|
|
|
return;
|
|
|
|
|
|
ifoFree_VOBU_ADMAP_internal(ifofile->menu_vobu_admap);
|
|
|
ifofile->menu_vobu_admap = 0;
|
|
|
}
|
|
|
|
|
|
void ifoFree_TITLE_VOBU_ADMAP(ifo_handle_t *ifofile) {
|
|
|
if(!ifofile)
|
|
|
return;
|
|
|
|
|
|
ifoFree_VOBU_ADMAP_internal(ifofile->vts_vobu_admap);
|
|
|
ifofile->vts_vobu_admap = 0;
|
|
|
}
|
|
|
|
|
|
int ifoRead_PGCIT(ifo_handle_t *ifofile) {
|
|
|
|
|
|
if(!ifofile)
|
|
|
return 0;
|
|
|
|
|
|
if(!ifofile->vtsi_mat)
|
|
|
return 0;
|
|
|
|
|
|
if(ifofile->vtsi_mat->vts_pgcit == 0) /* mandatory */
|
|
|
return 0;
|
|
|
|
|
|
ifofile->vts_pgcit = (pgcit_t *)malloc(sizeof(pgcit_t));
|
|
|
if(!ifofile->vts_pgcit)
|
|
|
return 0;
|
|
|
|
|
|
if(!ifoRead_PGCIT_internal(ifofile, ifofile->vts_pgcit,
|
|
|
ifofile->vtsi_mat->vts_pgcit * DVD_BLOCK_LEN)) {
|
|
|
free(ifofile->vts_pgcit);
|
|
|
ifofile->vts_pgcit = 0;
|
|
|
return 0;
|
|
|
}
|
|
|
|
|
|
return 1;
|
|
|
}
|
|
|
|
|
|
static int ifoRead_PGCIT_internal(ifo_handle_t *ifofile, pgcit_t *pgcit,
|
|
|
unsigned int offset) {
|
|
|
int i, info_length;
|
|
|
uint8_t *data, *ptr;
|
|
|
|
|
|
if(!DVDFileSeek_(ifofile->file, offset))
|
|
|
return 0;
|
|
|
|
|
|
if(!(DVDReadBytes(ifofile->file, pgcit, PGCIT_SIZE)))
|
|
|
return 0;
|
|
|
|
|
|
B2N_16(pgcit->nr_of_pgci_srp);
|
|
|
B2N_32(pgcit->last_byte);
|
|
|
|
|
|
CHECK_ZERO(pgcit->zero_1);
|
|
|
/* assert(pgcit->nr_of_pgci_srp != 0);
|
|
|
Magic Knight Rayearth Daybreak is mastered very strange and has
|
|
|
Titles with 0 PTTs. */
|
|
|
CHECK_VALUE(pgcit->nr_of_pgci_srp < 10000); /* ?? seen max of 1338*/
|
|
|
|
|
|
info_length = pgcit->nr_of_pgci_srp * PGCI_SRP_SIZE;
|
|
|
data = malloc(info_length);
|
|
|
if(!data)
|
|
|
return 0;
|
|
|
|
|
|
if(info_length && !(DVDReadBytes(ifofile->file, data, info_length))) {
|
|
|
free(data);
|
|
|
return 0;
|
|
|
}
|
|
|
|
|
|
pgcit->pgci_srp = malloc(pgcit->nr_of_pgci_srp * sizeof(pgci_srp_t));
|
|
|
if(!pgcit->pgci_srp) {
|
|
|
free(data);
|
|
|
return 0;
|
|
|
}
|
|
|
ptr = data;
|
|
|
for(i = 0; i < pgcit->nr_of_pgci_srp; i++) {
|
|
|
memcpy(&pgcit->pgci_srp[i], ptr, PGCI_SRP_SIZE);
|
|
|
ptr += PGCI_SRP_SIZE;
|
|
|
B2N_16(pgcit->pgci_srp[i].ptl_id_mask);
|
|
|
B2N_32(pgcit->pgci_srp[i].pgc_start_byte);
|
|
|
CHECK_VALUE(pgcit->pgci_srp[i].unknown1 == 0);
|
|
|
}
|
|
|
free(data);
|
|
|
|
|
|
for(i = 0; i < pgcit->nr_of_pgci_srp; i++)
|
|
|
CHECK_VALUE(pgcit->pgci_srp[i].pgc_start_byte + PGC_SIZE <= pgcit->last_byte+1);
|
|
|
|
|
|
for(i = 0; i < pgcit->nr_of_pgci_srp; i++) {
|
|
|
pgcit->pgci_srp[i].pgc = malloc(sizeof(pgc_t));
|
|
|
if(!pgcit->pgci_srp[i].pgc) {
|
|
|
int j;
|
|
|
for(j = 0; j < i; j++) {
|
|
|
ifoFree_PGC(pgcit->pgci_srp[j].pgc);
|
|
|
free(pgcit->pgci_srp[j].pgc);
|
|
|
}
|
|
|
free(pgcit->pgci_srp);
|
|
|
pgcit->pgci_srp = NULL;
|
|
|
return 0;
|
|
|
}
|
|
|
if(!ifoRead_PGC(ifofile, pgcit->pgci_srp[i].pgc,
|
|
|
offset + pgcit->pgci_srp[i].pgc_start_byte)) {
|
|
|
int j;
|
|
|
for(j = 0; j < i; j++) {
|
|
|
ifoFree_PGC(pgcit->pgci_srp[j].pgc);
|
|
|
free(pgcit->pgci_srp[j].pgc);
|
|
|
}
|
|
|
free(pgcit->pgci_srp);
|
|
|
pgcit->pgci_srp = NULL;
|
|
|
return 0;
|
|
|
}
|
|
|
}
|
|
|
|
|
|
return 1;
|
|
|
}
|
|
|
|
|
|
static void ifoFree_PGCIT_internal(pgcit_t *pgcit) {
|
|
|
if(pgcit) {
|
|
|
int i;
|
|
|
for(i = 0; i < pgcit->nr_of_pgci_srp; i++) {
|
|
|
ifoFree_PGC(pgcit->pgci_srp[i].pgc);
|
|
|
free(pgcit->pgci_srp[i].pgc);
|
|
|
}
|
|
|
free(pgcit->pgci_srp);
|
|
|
}
|
|
|
}
|
|
|
|
|
|
void ifoFree_PGCIT(ifo_handle_t *ifofile) {
|
|
|
if(!ifofile)
|
|
|
return;
|
|
|
|
|
|
if(ifofile->vts_pgcit) {
|
|
|
ifoFree_PGCIT_internal(ifofile->vts_pgcit);
|
|
|
free(ifofile->vts_pgcit);
|
|
|
ifofile->vts_pgcit = 0;
|
|
|
}
|
|
|
}
|
|
|
|
|
|
|
|
|
int ifoRead_PGCI_UT(ifo_handle_t *ifofile) {
|
|
|
pgci_ut_t *pgci_ut;
|
|
|
unsigned int sector;
|
|
|
unsigned int i;
|
|
|
int info_length;
|
|
|
uint8_t *data, *ptr;
|
|
|
|
|
|
if(!ifofile)
|
|
|
return 0;
|
|
|
|
|
|
if(ifofile->vmgi_mat) {
|
|
|
if(ifofile->vmgi_mat->vmgm_pgci_ut == 0)
|
|
|
return 1;
|
|
|
sector = ifofile->vmgi_mat->vmgm_pgci_ut;
|
|
|
} else if(ifofile->vtsi_mat) {
|
|
|
if(ifofile->vtsi_mat->vtsm_pgci_ut == 0)
|
|
|
return 1;
|
|
|
sector = ifofile->vtsi_mat->vtsm_pgci_ut;
|
|
|
} else {
|
|
|
return 0;
|
|
|
}
|
|
|
|
|
|
ifofile->pgci_ut = (pgci_ut_t *)malloc(sizeof(pgci_ut_t));
|
|
|
if(!ifofile->pgci_ut)
|
|
|
return 0;
|
|
|
|
|
|
if(!DVDFileSeek_(ifofile->file, sector * DVD_BLOCK_LEN)) {
|
|
|
free(ifofile->pgci_ut);
|
|
|
ifofile->pgci_ut = 0;
|
|
|
return 0;
|
|
|
}
|
|
|
|
|
|
if(!(DVDReadBytes(ifofile->file, ifofile->pgci_ut, PGCI_UT_SIZE))) {
|
|
|
free(ifofile->pgci_ut);
|
|
|
ifofile->pgci_ut = 0;
|
|
|
return 0;
|
|
|
}
|
|
|
|
|
|
pgci_ut = ifofile->pgci_ut;
|
|
|
|
|
|
B2N_16(pgci_ut->nr_of_lus);
|
|
|
B2N_32(pgci_ut->last_byte);
|
|
|
|
|
|
CHECK_ZERO(pgci_ut->zero_1);
|
|
|
CHECK_VALUE(pgci_ut->nr_of_lus != 0);
|
|
|
CHECK_VALUE(pgci_ut->nr_of_lus < 100); /* ?? 3-4 ?*/
|
|
|
CHECK_VALUE((uint32_t)pgci_ut->nr_of_lus * PGCI_LU_SIZE < pgci_ut->last_byte);
|
|
|
|
|
|
info_length = pgci_ut->nr_of_lus * PGCI_LU_SIZE;
|
|
|
data = malloc(info_length);
|
|
|
if(!data) {
|
|
|
free(pgci_ut);
|
|
|
ifofile->pgci_ut = 0;
|
|
|
return 0;
|
|
|
}
|
|
|
if(!(DVDReadBytes(ifofile->file, data, info_length))) {
|
|
|
free(data);
|
|
|
free(pgci_ut);
|
|
|
ifofile->pgci_ut = 0;
|
|
|
return 0;
|
|
|
}
|
|
|
|
|
|
pgci_ut->lu = malloc(pgci_ut->nr_of_lus * sizeof(pgci_lu_t));
|
|
|
if(!pgci_ut->lu) {
|
|
|
free(data);
|
|
|
free(pgci_ut);
|
|
|
ifofile->pgci_ut = 0;
|
|
|
return 0;
|
|
|
}
|
|
|
ptr = data;
|
|
|
for(i = 0; i < pgci_ut->nr_of_lus; i++) {
|
|
|
memcpy(&pgci_ut->lu[i], ptr, PGCI_LU_SIZE);
|
|
|
ptr += PGCI_LU_SIZE;
|
|
|
B2N_16(pgci_ut->lu[i].lang_code);
|
|
|
B2N_32(pgci_ut->lu[i].lang_start_byte);
|
|
|
}
|
|
|
free(data);
|
|
|
|
|
|
for(i = 0; i < pgci_ut->nr_of_lus; i++) {
|
|
|
/* Maybe this is only defined for v1.1 and later titles?
|
|
|
If the bits in 'lu[i].exists' are enumerated abcd efgh then:
|
|
|
VTS_x_yy.IFO VIDEO_TS.IFO
|
|
|
a == 0x83 "Root" 0x82 "Title"
|
|
|
b == 0x84 "Subpicture"
|
|
|
c == 0x85 "Audio"
|
|
|
d == 0x86 "Angle"
|
|
|
e == 0x87 "PTT"
|
|
|
*/
|
|
|
CHECK_VALUE((pgci_ut->lu[i].exists & 0x07) == 0);
|
|
|
}
|
|
|
|
|
|
for(i = 0; i < pgci_ut->nr_of_lus; i++) {
|
|
|
pgci_ut->lu[i].pgcit = malloc(sizeof(pgcit_t));
|
|
|
if(!pgci_ut->lu[i].pgcit) {
|
|
|
unsigned int j;
|
|
|
for(j = 0; j < i; j++) {
|
|
|
ifoFree_PGCIT_internal(pgci_ut->lu[j].pgcit);
|
|
|
free(pgci_ut->lu[j].pgcit);
|
|
|
}
|
|
|
free(pgci_ut->lu);
|
|
|
free(pgci_ut);
|
|
|
ifofile->pgci_ut = 0;
|
|
|
return 0;
|
|
|
}
|
|
|
if(!ifoRead_PGCIT_internal(ifofile, pgci_ut->lu[i].pgcit,
|
|
|
sector * DVD_BLOCK_LEN
|
|
|
+ pgci_ut->lu[i].lang_start_byte)) {
|
|
|
unsigned int j;
|
|
|
for(j = 0; j < i; j++) {
|
|
|
ifoFree_PGCIT_internal(pgci_ut->lu[j].pgcit);
|
|
|
free(pgci_ut->lu[j].pgcit);
|
|
|
}
|
|
|
free(pgci_ut->lu[i].pgcit);
|
|
|
free(pgci_ut->lu);
|
|
|
free(pgci_ut);
|
|
|
ifofile->pgci_ut = 0;
|
|
|
return 0;
|
|
|
}
|
|
|
/* FIXME: Iterate and verify that all menus that should exists accordingly
|
|
|
/ to pgci_ut->lu[i].exists really do? */
|
|
|
}
|
|
|
|
|
|
return 1;
|
|
|
}
|
|
|
|
|
|
|
|
|
void ifoFree_PGCI_UT(ifo_handle_t *ifofile) {
|
|
|
unsigned int i;
|
|
|
|
|
|
if(!ifofile)
|
|
|
return;
|
|
|
|
|
|
if(ifofile->pgci_ut) {
|
|
|
for(i = 0; i < ifofile->pgci_ut->nr_of_lus; i++) {
|
|
|
ifoFree_PGCIT_internal(ifofile->pgci_ut->lu[i].pgcit);
|
|
|
free(ifofile->pgci_ut->lu[i].pgcit);
|
|
|
}
|
|
|
free(ifofile->pgci_ut->lu);
|
|
|
free(ifofile->pgci_ut);
|
|
|
ifofile->pgci_ut = 0;
|
|
|
}
|
|
|
}
|
|
|
|
|
|
static int ifoRead_VTS_ATTRIBUTES(ifo_handle_t *ifofile,
|
|
|
vts_attributes_t *vts_attributes,
|
|
|
unsigned int offset) {
|
|
|
unsigned int i;
|
|
|
|
|
|
if(!DVDFileSeek_(ifofile->file, offset))
|
|
|
return 0;
|
|
|
|
|
|
if(!(DVDReadBytes(ifofile->file, vts_attributes, sizeof(vts_attributes_t))))
|
|
|
return 0;
|
|
|
|
|
|
B2N_32(vts_attributes->last_byte);
|
|
|
B2N_32(vts_attributes->vts_cat);
|
|
|
B2N_16(vts_attributes->vtsm_audio_attr.lang_code);
|
|
|
B2N_16(vts_attributes->vtsm_subp_attr.lang_code);
|
|
|
for(i = 0; i < 8; i++)
|
|
|
B2N_16(vts_attributes->vtstt_audio_attr[i].lang_code);
|
|
|
for(i = 0; i < 32; i++)
|
|
|
B2N_16(vts_attributes->vtstt_subp_attr[i].lang_code);
|
|
|
|
|
|
CHECK_ZERO(vts_attributes->zero_1);
|
|
|
CHECK_ZERO(vts_attributes->zero_2);
|
|
|
CHECK_ZERO(vts_attributes->zero_3);
|
|
|
CHECK_ZERO(vts_attributes->zero_4);
|
|
|
CHECK_ZERO(vts_attributes->zero_5);
|
|
|
CHECK_ZERO(vts_attributes->zero_6);
|
|
|
CHECK_ZERO(vts_attributes->zero_7);
|
|
|
CHECK_VALUE(vts_attributes->nr_of_vtsm_audio_streams <= 1);
|
|
|
CHECK_VALUE(vts_attributes->nr_of_vtsm_subp_streams <= 1);
|
|
|
CHECK_VALUE(vts_attributes->nr_of_vtstt_audio_streams <= 8);
|
|
|
for(i = vts_attributes->nr_of_vtstt_audio_streams; i < 8; i++)
|
|
|
CHECK_ZERO(vts_attributes->vtstt_audio_attr[i]);
|
|
|
CHECK_VALUE(vts_attributes->nr_of_vtstt_subp_streams <= 32);
|
|
|
{
|
|
|
unsigned int nr_coded;
|
|
|
CHECK_VALUE(vts_attributes->last_byte + 1 >= VTS_ATTRIBUTES_MIN_SIZE);
|
|
|
nr_coded = (vts_attributes->last_byte + 1 - VTS_ATTRIBUTES_MIN_SIZE)/6;
|
|
|
/* This is often nr_coded = 70, how do you know how many there really are?*/
|
|
|
if(nr_coded > 32) { /* We haven't read more from disk/file anyway*/
|
|
|
nr_coded = 32;
|
|
|
}
|
|
|
CHECK_VALUE(vts_attributes->nr_of_vtstt_subp_streams <= nr_coded);
|
|
|
for(i = vts_attributes->nr_of_vtstt_subp_streams; i < nr_coded; i++)
|
|
|
CHECK_ZERO(vts_attributes->vtstt_subp_attr[i]);
|
|
|
}
|
|
|
|
|
|
return 1;
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
int ifoRead_VTS_ATRT(ifo_handle_t *ifofile) {
|
|
|
vts_atrt_t *vts_atrt;
|
|
|
unsigned int i, info_length, sector;
|
|
|
uint32_t *data;
|
|
|
|
|
|
if(!ifofile)
|
|
|
return 0;
|
|
|
|
|
|
if(!ifofile->vmgi_mat)
|
|
|
return 0;
|
|
|
|
|
|
if(ifofile->vmgi_mat->vts_atrt == 0) /* mandatory */
|
|
|
return 0;
|
|
|
|
|
|
sector = ifofile->vmgi_mat->vts_atrt;
|
|
|
if(!DVDFileSeek_(ifofile->file, sector * DVD_BLOCK_LEN))
|
|
|
return 0;
|
|
|
|
|
|
vts_atrt = (vts_atrt_t *)malloc(sizeof(vts_atrt_t));
|
|
|
if(!vts_atrt)
|
|
|
return 0;
|
|
|
|
|
|
ifofile->vts_atrt = vts_atrt;
|
|
|
|
|
|
if(!(DVDReadBytes(ifofile->file, vts_atrt, VTS_ATRT_SIZE))) {
|
|
|
free(vts_atrt);
|
|
|
ifofile->vts_atrt = 0;
|
|
|
return 0;
|
|
|
}
|
|
|
|
|
|
B2N_16(vts_atrt->nr_of_vtss);
|
|
|
B2N_32(vts_atrt->last_byte);
|
|
|
|
|
|
CHECK_ZERO(vts_atrt->zero_1);
|
|
|
CHECK_VALUE(vts_atrt->nr_of_vtss != 0);
|
|
|
CHECK_VALUE(vts_atrt->nr_of_vtss < 100); /*??*/
|
|
|
CHECK_VALUE((uint32_t)vts_atrt->nr_of_vtss * (4 + VTS_ATTRIBUTES_MIN_SIZE) +
|
|
|
VTS_ATRT_SIZE < vts_atrt->last_byte + 1);
|
|
|
|
|
|
info_length = vts_atrt->nr_of_vtss * sizeof(uint32_t);
|
|
|
data = (uint32_t *)malloc(info_length);
|
|
|
if(!data) {
|
|
|
free(vts_atrt);
|
|
|
ifofile->vts_atrt = 0;
|
|
|
return 0;
|
|
|
}
|
|
|
|
|
|
vts_atrt->vts_atrt_offsets = data;
|
|
|
|
|
|
if(!(DVDReadBytes(ifofile->file, data, info_length))) {
|
|
|
free(data);
|
|
|
free(vts_atrt);
|
|
|
ifofile->vts_atrt = 0;
|
|
|
return 0;
|
|
|
}
|
|
|
|
|
|
for(i = 0; i < vts_atrt->nr_of_vtss; i++) {
|
|
|
B2N_32(data[i]);
|
|
|
CHECK_VALUE(data[i] + VTS_ATTRIBUTES_MIN_SIZE < vts_atrt->last_byte + 1);
|
|
|
}
|
|
|
|
|
|
info_length = vts_atrt->nr_of_vtss * sizeof(vts_attributes_t);
|
|
|
vts_atrt->vts = (vts_attributes_t *)malloc(info_length);
|
|
|
if(!vts_atrt->vts) {
|
|
|
free(data);
|
|
|
free(vts_atrt);
|
|
|
ifofile->vts_atrt = 0;
|
|
|
return 0;
|
|
|
}
|
|
|
for(i = 0; i < vts_atrt->nr_of_vtss; i++) {
|
|
|
unsigned int offset = data[i];
|
|
|
if(!ifoRead_VTS_ATTRIBUTES(ifofile, &(vts_atrt->vts[i]),
|
|
|
(sector * DVD_BLOCK_LEN) + offset)) {
|
|
|
free(data);
|
|
|
free(vts_atrt);
|
|
|
ifofile->vts_atrt = 0;
|
|
|
return 0;
|
|
|
}
|
|
|
|
|
|
/* This assert cant be in ifoRead_VTS_ATTRIBUTES*/
|
|
|
CHECK_VALUE(offset + vts_atrt->vts[i].last_byte <= vts_atrt->last_byte + 1);
|
|
|
/* Is this check correct?*/
|
|
|
}
|
|
|
|
|
|
return 1;
|
|
|
}
|
|
|
|
|
|
|
|
|
void ifoFree_VTS_ATRT(ifo_handle_t *ifofile) {
|
|
|
if(!ifofile)
|
|
|
return;
|
|
|
|
|
|
if(ifofile->vts_atrt) {
|
|
|
free(ifofile->vts_atrt->vts);
|
|
|
free(ifofile->vts_atrt->vts_atrt_offsets);
|
|
|
free(ifofile->vts_atrt);
|
|
|
ifofile->vts_atrt = 0;
|
|
|
}
|
|
|
}
|
|
|
|
|
|
|
|
|
int ifoRead_TXTDT_MGI(ifo_handle_t *ifofile) {
|
|
|
txtdt_mgi_t *txtdt_mgi;
|
|
|
|
|
|
if(!ifofile)
|
|
|
return 0;
|
|
|
|
|
|
if(!ifofile->vmgi_mat)
|
|
|
return 0;
|
|
|
|
|
|
/* Return successfully if there is nothing to read. */
|
|
|
if(ifofile->vmgi_mat->txtdt_mgi == 0)
|
|
|
return 1;
|
|
|
|
|
|
if(!DVDFileSeek_(ifofile->file,
|
|
|
ifofile->vmgi_mat->txtdt_mgi * DVD_BLOCK_LEN))
|
|
|
return 0;
|
|
|
|
|
|
txtdt_mgi = (txtdt_mgi_t *)malloc(sizeof(txtdt_mgi_t));
|
|
|
if(!txtdt_mgi) {
|
|
|
return 0;
|
|
|
}
|
|
|
ifofile->txtdt_mgi = txtdt_mgi;
|
|
|
|
|
|
if(!(DVDReadBytes(ifofile->file, txtdt_mgi, TXTDT_MGI_SIZE))) {
|
|
|
if(dvdread_verbose(device_of_file(ifofile->file)) >= 1) {
|
|
|
fprintf(stderr, "libdvdread: Unable to read TXTDT_MGI.\n");
|
|
|
}
|
|
|
free(txtdt_mgi);
|
|
|
ifofile->txtdt_mgi = 0;
|
|
|
return 0;
|
|
|
}
|
|
|
|
|
|
/* fprintf(stderr, "-- Not done yet --\n");*/
|
|
|
return 1;
|
|
|
}
|
|
|
|
|
|
void ifoFree_TXTDT_MGI(ifo_handle_t *ifofile) {
|
|
|
if(!ifofile)
|
|
|
return;
|
|
|
|
|
|
if(ifofile->txtdt_mgi) {
|
|
|
free(ifofile->txtdt_mgi);
|
|
|
ifofile->txtdt_mgi = 0;
|
|
|
}
|
|
|
}
|
|
|
|