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+#ifndef IFO_READ_H_INCLUDED
+#define IFO_READ_H_INCLUDED
+
+/*
+ * Copyright (C) 2000, 2001, 2002 Björn Englund <d4bjorn@dtek.chalmers.se>,
+ * Håkan Hjort <d95hjort@dtek.chalmers.se>
+ *
+ * Modified for use with MPlayer, changes contained in libdvdread_changes.diff.
+ * detailed changelog at http://svn.mplayerhq.hu/mplayer/trunk/
+ * $Id$
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include "ifo_types.h"
+#include "dvd_reader.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * handle = ifoOpen(dvd, title);
+ *
+ * Opens an IFO and reads in all the data for the IFO file corresponding to the
+ * given title. If title 0 is given, the video manager IFO file is read.
+ * Returns a handle to a completely parsed structure.
+ */
+ifo_handle_t *ifoOpen(dvd_reader_t *, int );
+
+/**
+ * handle = ifoOpenVMGI(dvd);
+ *
+ * Opens an IFO and reads in _only_ the vmgi_mat data. This call can be used
+ * together with the calls below to read in each segment of the IFO file on
+ * demand.
+ */
+ifo_handle_t *ifoOpenVMGI(dvd_reader_t *);
+
+/**
+ * handle = ifoOpenVTSI(dvd, title);
+ *
+ * Opens an IFO and reads in _only_ the vtsi_mat data. This call can be used
+ * together with the calls below to read in each segment of the IFO file on
+ * demand.
+ */
+ifo_handle_t *ifoOpenVTSI(dvd_reader_t *, int);
+
+/**
+ * ifoClose(ifofile);
+ * Cleans up the IFO information. This will free all data allocated for the
+ * substructures.
+ */
+void ifoClose(ifo_handle_t *);
+
+/**
+ * The following functions are for reading only part of the VMGI/VTSI files.
+ * Returns 1 if the data was successfully read and 0 on error.
+ */
+
+/**
+ * okay = ifoRead_PLT_MAIT(ifofile);
+ *
+ * Read in the Parental Management Information table, filling the
+ * ifofile->ptl_mait structure and its substructures. This data is only
+ * located in the video manager information file. This fills the
+ * ifofile->ptl_mait structure and all its substructures.
+ */
+int ifoRead_PTL_MAIT(ifo_handle_t *);
+
+/**
+ * okay = ifoRead_VTS_ATRT(ifofile);
+ *
+ * Read in the attribute table for the main menu vob, filling the
+ * ifofile->vts_atrt structure and its substructures. Only located in the
+ * video manager information file. This fills in the ifofile->vts_atrt
+ * structure and all its substructures.
+ */
+int ifoRead_VTS_ATRT(ifo_handle_t *);
+
+/**
+ * okay = ifoRead_TT_SRPT(ifofile);
+ *
+ * Reads the title info for the main menu, filling the ifofile->tt_srpt
+ * structure and its substructures. This data is only located in the video
+ * manager information file. This structure is mandatory in the IFO file.
+ */
+int ifoRead_TT_SRPT(ifo_handle_t *);
+
+/**
+ * okay = ifoRead_VTS_PTT_SRPT(ifofile);
+ *
+ * Reads in the part of title search pointer table, filling the
+ * ifofile->vts_ptt_srpt structure and its substructures. This data is only
+ * located in the video title set information file. This structure is
+ * mandatory, and must be included in the VTSI file.
+ */
+int ifoRead_VTS_PTT_SRPT(ifo_handle_t *);
+
+/**
+ * okay = ifoRead_FP_PGC(ifofile);
+ *
+ * Reads in the first play program chain data, filling the
+ * ifofile->first_play_pgc structure. This data is only located in the video
+ * manager information file (VMGI). This structure is optional.
+ */
+int ifoRead_FP_PGC(ifo_handle_t *);
+
+/**
+ * okay = ifoRead_PGCIT(ifofile);
+ *
+ * Reads in the program chain information table for the video title set. Fills
+ * in the ifofile->vts_pgcit structure and its substructures, which includes
+ * the data for each program chain in the set. This data is only located in
+ * the video title set information file. This structure is mandatory, and must
+ * be included in the VTSI file.
+ */
+int ifoRead_PGCIT(ifo_handle_t *);
+
+/**
+ * okay = ifoRead_PGCI_UT(ifofile);
+ *
+ * Reads in the menu PGCI unit table for the menu VOB. For the video manager,
+ * this corresponds to the VIDEO_TS.VOB file, and for each title set, this
+ * corresponds to the VTS_XX_0.VOB file. This data is located in both the
+ * video manager and video title set information files. For VMGI files, this
+ * fills the ifofile->vmgi_pgci_ut structure and all its substructures. For
+ * VTSI files, this fills the ifofile->vtsm_pgci_ut structure.
+ */
+int ifoRead_PGCI_UT(ifo_handle_t *);
+
+/**
+ * okay = ifoRead_VTS_TMAPT(ifofile);
+ *
+ * Reads in the VTS Time Map Table, this data is only located in the video
+ * title set information file. This fills the ifofile->vts_tmapt structure
+ * and all its substructures. When pressent enables VOBU level time-based
+ * seeking for One_Sequential_PGC_Titles.
+ */
+int ifoRead_VTS_TMAPT(ifo_handle_t *);
+
+/**
+ * okay = ifoRead_C_ADT(ifofile);
+ *
+ * Reads in the cell address table for the menu VOB. For the video manager,
+ * this corresponds to the VIDEO_TS.VOB file, and for each title set, this
+ * corresponds to the VTS_XX_0.VOB file. This data is located in both the
+ * video manager and video title set information files. For VMGI files, this
+ * fills the ifofile->vmgm_c_adt structure and all its substructures. For VTSI
+ * files, this fills the ifofile->vtsm_c_adt structure.
+ */
+int ifoRead_C_ADT(ifo_handle_t *);
+
+/**
+ * okay = ifoRead_TITLE_C_ADT(ifofile);
+ *
+ * Reads in the cell address table for the video title set corresponding to
+ * this IFO file. This data is only located in the video title set information
+ * file. This structure is mandatory, and must be included in the VTSI file.
+ * This call fills the ifofile->vts_c_adt structure and its substructures.
+ */
+int ifoRead_TITLE_C_ADT(ifo_handle_t *);
+
+/**
+ * okay = ifoRead_VOBU_ADMAP(ifofile);
+ *
+ * Reads in the VOBU address map for the menu VOB. For the video manager, this
+ * corresponds to the VIDEO_TS.VOB file, and for each title set, this
+ * corresponds to the VTS_XX_0.VOB file. This data is located in both the
+ * video manager and video title set information files. For VMGI files, this
+ * fills the ifofile->vmgm_vobu_admap structure and all its substructures. For
+ * VTSI files, this fills the ifofile->vtsm_vobu_admap structure.
+ */
+int ifoRead_VOBU_ADMAP(ifo_handle_t *);
+
+/**
+ * okay = ifoRead_TITLE_VOBU_ADMAP(ifofile);
+ *
+ * Reads in the VOBU address map for the associated video title set. This data
+ * is only located in the video title set information file. This structure is
+ * mandatory, and must be included in the VTSI file. Fills the
+ * ifofile->vts_vobu_admap structure and its substructures.
+ */
+int ifoRead_TITLE_VOBU_ADMAP(ifo_handle_t *);
+
+/**
+ * okay = ifoRead_TXTDT_MGI(ifofile);
+ *
+ * Reads in the text data strings for the DVD. Fills the ifofile->txtdt_mgi
+ * structure and all its substructures. This data is only located in the video
+ * manager information file. This structure is mandatory, and must be included
+ * in the VMGI file.
+ */
+int ifoRead_TXTDT_MGI(ifo_handle_t *);
+
+/**
+ * The following functions are used for freeing parsed sections of the
+ * ifo_handle_t structure and the allocated substructures. The free calls
+ * below are safe: they will not mind if you attempt to free part of an IFO
+ * file which was not read in or which does not exist.
+ */
+void ifoFree_PTL_MAIT(ifo_handle_t *);
+void ifoFree_VTS_ATRT(ifo_handle_t *);
+void ifoFree_TT_SRPT(ifo_handle_t *);
+void ifoFree_VTS_PTT_SRPT(ifo_handle_t *);
+void ifoFree_FP_PGC(ifo_handle_t *);
+void ifoFree_PGCIT(ifo_handle_t *);
+void ifoFree_PGCI_UT(ifo_handle_t *);
+void ifoFree_VTS_TMAPT(ifo_handle_t *);
+void ifoFree_C_ADT(ifo_handle_t *);
+void ifoFree_TITLE_C_ADT(ifo_handle_t *);
+void ifoFree_VOBU_ADMAP(ifo_handle_t *);
+void ifoFree_TITLE_VOBU_ADMAP(ifo_handle_t *);
+void ifoFree_TXTDT_MGI(ifo_handle_t *);
+
+#ifdef __cplusplus
+};
+#endif
+#endif /* IFO_READ_H_INCLUDED */