mirror of
https://code.videolan.org/videolan/vlc
synced 2024-09-04 09:11:33 +02:00
1337 lines
41 KiB
C
1337 lines
41 KiB
C
/*****************************************************************************
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* dvdread.c : DvdRead input module for vlc
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*****************************************************************************
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* Copyright (C) 2001-2006 the VideoLAN team
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* $Id$
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*
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* Authors: Stéphane Borel <stef@via.ecp.fr>
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* Gildas Bazin <gbazin@videolan.org>
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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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/*****************************************************************************
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* Preamble
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*****************************************************************************/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <vlc/vlc.h>
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#include <vlc_plugin.h>
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#include <vlc_input.h>
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#include <vlc_access.h>
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#include <vlc_charset.h>
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#include <vlc_interface.h>
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#include "iso_lang.h"
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#include "../demux/ps.h"
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#ifdef HAVE_UNISTD_H
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# include <unistd.h>
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#endif
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#include <fcntl.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <dvdread/dvd_reader.h>
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#include <dvdread/ifo_types.h>
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#include <dvdread/ifo_read.h>
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#include <dvdread/nav_read.h>
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#include <dvdread/nav_print.h>
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/*****************************************************************************
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* Module descriptor
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*****************************************************************************/
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#define ANGLE_TEXT N_("DVD angle")
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#define ANGLE_LONGTEXT N_( \
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"Default DVD angle." )
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#define CACHING_TEXT N_("Caching value in ms")
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#define CACHING_LONGTEXT N_( \
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"Caching value for DVDs. " \
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"This value should be set in milliseconds." )
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#define CSSMETHOD_TEXT N_("Method used by libdvdcss for decryption")
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#define CSSMETHOD_LONGTEXT N_( \
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"Set the method used by libdvdcss for key decryption.\n" \
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"title: decrypted title key is guessed from the encrypted sectors of " \
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"the stream. Thus it should work with a file as well as the " \
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"DVD device. But it sometimes takes much time to decrypt a title " \
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"key and may even fail. With this method, the key is only checked "\
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"at the beginning of each title, so it won't work if the key " \
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"changes in the middle of a title.\n" \
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"disc: the disc key is first cracked, then all title keys can be " \
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"decrypted instantly, which allows us to check them often.\n" \
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"key: the same as \"disc\" if you don't have a file with player keys " \
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"at compilation time. If you do, the decryption of the disc key " \
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"will be faster with this method. It is the one that was used by " \
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"libcss.\n" \
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"The default method is: key.")
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static const char *psz_css_list[] = { "title", "disc", "key" };
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static const char *psz_css_list_text[] = { N_("title"), N_("Disc"), N_("Key") };
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static int Open ( vlc_object_t * );
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static void Close( vlc_object_t * );
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vlc_module_begin();
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set_shortname( _("DVD without menus") );
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set_description( _("DVDRead Input (DVD without menu support)") );
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set_category( CAT_INPUT );
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set_subcategory( SUBCAT_INPUT_ACCESS );
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add_integer( "dvdread-angle", 1, NULL, ANGLE_TEXT,
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ANGLE_LONGTEXT, false );
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add_integer( "dvdread-caching", DEFAULT_PTS_DELAY / 1000, NULL,
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CACHING_TEXT, CACHING_LONGTEXT, true );
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add_string( "dvdread-css-method", NULL, NULL, CSSMETHOD_TEXT,
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CSSMETHOD_LONGTEXT, true );
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change_string_list( psz_css_list, psz_css_list_text, 0 );
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set_capability( "access_demux", 0 );
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add_shortcut( "dvd" );
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add_shortcut( "dvdread" );
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add_shortcut( "dvdsimple" );
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set_callbacks( Open, Close );
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vlc_module_end();
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/* how many blocks DVDRead will read in each loop */
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#define DVD_BLOCK_READ_ONCE 4
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/*****************************************************************************
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* Local prototypes
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*****************************************************************************/
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struct demux_sys_t
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{
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/* DVDRead state */
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dvd_reader_t *p_dvdread;
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dvd_file_t *p_title;
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ifo_handle_t *p_vmg_file;
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ifo_handle_t *p_vts_file;
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int i_title;
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int i_chapter, i_chapters;
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int i_angle, i_angles;
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tt_srpt_t *p_tt_srpt;
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pgc_t *p_cur_pgc;
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dsi_t dsi_pack;
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int i_ttn;
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int i_pack_len;
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int i_cur_block;
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int i_next_vobu;
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int i_mux_rate;
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/* Current title start/end blocks */
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int i_title_start_block;
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int i_title_end_block;
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int i_title_blocks;
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int i_title_offset;
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mtime_t i_title_cur_time;
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int i_title_start_cell;
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int i_title_end_cell;
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int i_cur_cell;
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int i_next_cell;
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mtime_t i_cell_cur_time;
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mtime_t i_cell_duration;
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/* Track */
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ps_track_t tk[PS_TK_COUNT];
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int i_titles;
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input_title_t **titles;
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/* Video */
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int i_aspect;
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/* SPU */
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uint32_t clut[16];
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};
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static int Control ( demux_t *, int, va_list );
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static int Demux ( demux_t * );
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static int DemuxBlock( demux_t *, uint8_t *, int );
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static void DemuxTitles( demux_t *, int * );
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static void ESNew( demux_t *, int, int );
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static int DvdReadSetArea ( demux_t *, int, int, int );
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static void DvdReadSeek ( demux_t *, int );
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static void DvdReadHandleDSI( demux_t *, uint8_t * );
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static void DvdReadFindCell ( demux_t * );
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/*****************************************************************************
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* Open:
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*****************************************************************************/
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static int Open( vlc_object_t *p_this )
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{
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demux_t *p_demux = (demux_t*)p_this;
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demux_sys_t *p_sys;
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char *psz_name;
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char *psz_dvdcss_env;
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dvd_reader_t *p_dvdread;
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ifo_handle_t *p_vmg_file;
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vlc_value_t val;
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if( !p_demux->psz_path || !*p_demux->psz_path )
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{
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/* Only when selected */
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if( !p_this->b_force ) return VLC_EGENERIC;
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psz_name = var_CreateGetString( p_this, "dvd" );
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if( !psz_name )
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{
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psz_name = strdup("");
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}
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}
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else
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psz_name = ToLocaleDup( p_demux->psz_path );
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#ifdef WIN32
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if( psz_name[0] && psz_name[1] == ':' &&
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psz_name[2] == '\\' && psz_name[3] == '\0' ) psz_name[2] = '\0';
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#endif
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/* Override environment variable DVDCSS_METHOD with config option
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* (FIXME: this creates a small memory leak) */
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psz_dvdcss_env = config_GetPsz( p_demux, "dvdread-css-method" );
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if( psz_dvdcss_env && *psz_dvdcss_env )
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{
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char *psz_env;
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psz_env = malloc( strlen("DVDCSS_METHOD=") +
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strlen( psz_dvdcss_env ) + 1 );
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if( !psz_env )
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{
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free( psz_dvdcss_env );
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return VLC_ENOMEM;
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}
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sprintf( psz_env, "%s%s", "DVDCSS_METHOD=", psz_dvdcss_env );
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putenv( psz_env );
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}
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free( psz_dvdcss_env );
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/* Open dvdread */
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if( !(p_dvdread = DVDOpen( psz_name )) )
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{
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msg_Err( p_demux, "DVDRead cannot open source: %s", psz_name );
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intf_UserFatal( p_demux, false, _("Playback failure"),
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_("DVDRead could not open the disk \"%s\"."), psz_name );
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free( psz_name );
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return VLC_EGENERIC;
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}
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free( psz_name );
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/* Ifo allocation & initialisation */
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if( !( p_vmg_file = ifoOpen( p_dvdread, 0 ) ) )
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{
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msg_Warn( p_demux, "cannot open VMG info" );
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return VLC_EGENERIC;
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}
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msg_Dbg( p_demux, "VMG opened" );
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/* Fill p_demux field */
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DEMUX_INIT_COMMON(); p_sys = p_demux->p_sys;
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ps_track_init( p_sys->tk );
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p_sys->i_aspect = -1;
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p_sys->i_title_cur_time = (mtime_t) 0;
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p_sys->i_cell_cur_time = (mtime_t) 0;
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p_sys->i_cell_duration = (mtime_t) 0;
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p_sys->p_dvdread = p_dvdread;
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p_sys->p_vmg_file = p_vmg_file;
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p_sys->p_title = NULL;
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p_sys->p_vts_file = NULL;
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p_sys->i_title = p_sys->i_chapter = -1;
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p_sys->i_mux_rate = 0;
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var_Create( p_demux, "dvdread-angle", VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
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var_Get( p_demux, "dvdread-angle", &val );
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p_sys->i_angle = val.i_int > 0 ? val.i_int : 1;
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DemuxTitles( p_demux, &p_sys->i_angle );
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if( DvdReadSetArea( p_demux, 0, 0, p_sys->i_angle ) != VLC_SUCCESS )
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{
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Close( p_this );
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msg_Err( p_demux, "DvdReadSetArea(0,0,%i) failed (can't decrypt DVD?)",
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p_sys->i_angle );
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return VLC_EGENERIC;
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}
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/* Update default_pts to a suitable value for dvdread access */
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var_Create( p_demux, "dvdread-caching",
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VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
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return VLC_SUCCESS;
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}
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/*****************************************************************************
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* Close:
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*****************************************************************************/
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static void Close( vlc_object_t *p_this )
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{
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demux_t *p_demux = (demux_t*)p_this;
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demux_sys_t *p_sys = p_demux->p_sys;
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int i;
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for( i = 0; i < PS_TK_COUNT; i++ )
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{
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ps_track_t *tk = &p_sys->tk[i];
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if( tk->b_seen )
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{
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es_format_Clean( &tk->fmt );
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if( tk->es ) es_out_Del( p_demux->out, tk->es );
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}
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}
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/* Close libdvdread */
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if( p_sys->p_title ) DVDCloseFile( p_sys->p_title );
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if( p_sys->p_vts_file ) ifoClose( p_sys->p_vts_file );
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if( p_sys->p_vmg_file ) ifoClose( p_sys->p_vmg_file );
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DVDClose( p_sys->p_dvdread );
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free( p_sys );
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}
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static int64_t dvdtime_to_time( dvd_time_t *dtime, uint8_t still_time )
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{
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/* Macro to convert Binary Coded Decimal to Decimal */
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#define BCD2D(__x__) (((__x__ & 0xf0) >> 4) * 10 + (__x__ & 0x0f))
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double f_fps, f_ms;
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int64_t i_micro_second = 0;
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if (still_time == 0 || still_time == 0xFF)
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{
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i_micro_second += (int64_t)(BCD2D(dtime->hour)) * 60 * 60 * 1000000;
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i_micro_second += (int64_t)(BCD2D(dtime->minute)) * 60 * 1000000;
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i_micro_second += (int64_t)(BCD2D(dtime->second)) * 1000000;
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switch((dtime->frame_u & 0xc0) >> 6)
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{
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case 1:
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f_fps = 25.0;
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break;
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case 3:
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f_fps = 29.97;
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break;
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default:
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f_fps = 2500.0;
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break;
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}
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f_ms = BCD2D(dtime->frame_u&0x3f) * 1000.0 / f_fps;
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i_micro_second += (int64_t)(f_ms * 1000.0);
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}
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else
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{
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i_micro_second = still_time;
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i_micro_second = (int64_t)((double)i_micro_second * 1000000.0);
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}
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return i_micro_second;
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}
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/*****************************************************************************
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* Control:
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*****************************************************************************/
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static int Control( demux_t *p_demux, int i_query, va_list args )
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{
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demux_sys_t *p_sys = p_demux->p_sys;
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double f, *pf;
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bool *pb;
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int64_t *pi64;
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input_title_t ***ppp_title;
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int *pi_int;
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int i;
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switch( i_query )
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{
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case DEMUX_GET_POSITION:
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{
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pf = (double*) va_arg( args, double* );
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if( p_sys->i_title_blocks > 0 )
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*pf = (double)p_sys->i_title_offset / p_sys->i_title_blocks;
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else
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*pf = 0.0;
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return VLC_SUCCESS;
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}
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case DEMUX_SET_POSITION:
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{
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f = (double)va_arg( args, double );
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DvdReadSeek( p_demux, f * p_sys->i_title_blocks );
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return VLC_SUCCESS;
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}
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case DEMUX_GET_TIME:
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pi64 = (int64_t*)va_arg( args, int64_t * );
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if( p_demux->info.i_title >= 0 && p_demux->info.i_title < p_sys->i_titles )
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{
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*pi64 = (int64_t) dvdtime_to_time( &p_sys->p_cur_pgc->playback_time, 0 ) /
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p_sys->i_title_blocks * p_sys->i_title_offset;
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return VLC_SUCCESS;
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}
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*pi64 = 0;
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return VLC_EGENERIC;
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case DEMUX_GET_LENGTH:
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pi64 = (int64_t*)va_arg( args, int64_t * );
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if( p_demux->info.i_title >= 0 && p_demux->info.i_title < p_sys->i_titles )
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{
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*pi64 = (int64_t)dvdtime_to_time( &p_sys->p_cur_pgc->playback_time, 0 );
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return VLC_SUCCESS;
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}
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*pi64 = 0;
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return VLC_EGENERIC;
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/* Special for access_demux */
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case DEMUX_CAN_PAUSE:
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case DEMUX_CAN_SEEK:
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case DEMUX_CAN_CONTROL_PACE:
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/* TODO */
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pb = (bool*)va_arg( args, bool * );
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*pb = true;
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return VLC_SUCCESS;
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case DEMUX_SET_PAUSE_STATE:
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return VLC_SUCCESS;
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case DEMUX_GET_TITLE_INFO:
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ppp_title = (input_title_t***)va_arg( args, input_title_t*** );
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pi_int = (int*)va_arg( args, int* );
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*((int*)va_arg( args, int* )) = 1; /* Title offset */
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*((int*)va_arg( args, int* )) = 1; /* Chapter offset */
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/* Duplicate title infos */
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*pi_int = p_sys->i_titles;
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*ppp_title = malloc( sizeof(input_title_t **) * p_sys->i_titles );
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for( i = 0; i < p_sys->i_titles; i++ )
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{
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(*ppp_title)[i] = vlc_input_title_Duplicate(p_sys->titles[i]);
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}
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return VLC_SUCCESS;
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case DEMUX_SET_TITLE:
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i = (int)va_arg( args, int );
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if( DvdReadSetArea( p_demux, i, 0, -1 ) != VLC_SUCCESS )
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{
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msg_Warn( p_demux, "cannot set title/chapter" );
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return VLC_EGENERIC;
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}
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p_demux->info.i_update |=
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INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
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p_demux->info.i_title = i;
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p_demux->info.i_seekpoint = 0;
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return VLC_SUCCESS;
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case DEMUX_SET_SEEKPOINT:
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i = (int)va_arg( args, int );
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if( DvdReadSetArea( p_demux, -1, i, -1 ) != VLC_SUCCESS )
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{
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msg_Warn( p_demux, "cannot set title/chapter" );
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return VLC_EGENERIC;
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}
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p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
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p_demux->info.i_seekpoint = i;
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return VLC_SUCCESS;
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case DEMUX_GET_PTS_DELAY:
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pi64 = (int64_t*)va_arg( args, int64_t * );
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*pi64 = (int64_t)var_GetInteger( p_demux, "dvdread-caching" )*1000;
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return VLC_SUCCESS;
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/* TODO implement others */
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default:
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return VLC_EGENERIC;
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}
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}
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/*****************************************************************************
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* Demux:
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*****************************************************************************/
|
|
static int Demux( demux_t *p_demux )
|
|
{
|
|
demux_sys_t *p_sys = p_demux->p_sys;
|
|
|
|
uint8_t p_buffer[DVD_VIDEO_LB_LEN * DVD_BLOCK_READ_ONCE];
|
|
int i_blocks_once, i_read;
|
|
int i;
|
|
|
|
/*
|
|
* Playback by cell in this pgc, starting at the cell for our chapter.
|
|
*/
|
|
|
|
/*
|
|
* Check end of pack, and select the following one
|
|
*/
|
|
if( !p_sys->i_pack_len )
|
|
{
|
|
/* Read NAV packet */
|
|
if( DVDReadBlocks( p_sys->p_title, p_sys->i_next_vobu,
|
|
1, p_buffer ) != 1 )
|
|
{
|
|
msg_Err( p_demux, "read failed for block %d", p_sys->i_next_vobu );
|
|
intf_UserWarn( p_demux, _("Playback failure"),
|
|
_("DVDRead could not read block %d."),
|
|
p_sys->i_next_vobu );
|
|
return -1;
|
|
}
|
|
|
|
/* Basic check to be sure we don't have a empty title
|
|
* go to next title if so */
|
|
//assert( p_buffer[41] == 0xbf && p_buffer[1027] == 0xbf );
|
|
|
|
/* Parse the contained dsi packet */
|
|
DvdReadHandleDSI( p_demux, p_buffer );
|
|
|
|
/* End of title */
|
|
if( p_sys->i_cur_cell >= p_sys->p_cur_pgc->nr_of_cells )
|
|
{
|
|
if( p_sys->i_title + 1 >= p_sys->i_titles )
|
|
{
|
|
return 0; /* EOF */
|
|
}
|
|
|
|
DvdReadSetArea( p_demux, p_sys->i_title + 1, 0, -1 );
|
|
}
|
|
|
|
if( p_sys->i_pack_len >= 1024 )
|
|
{
|
|
msg_Err( p_demux, "i_pack_len >= 1024 (%i). "
|
|
"This shouldn't happen!", p_sys->i_pack_len );
|
|
return 0; /* EOF */
|
|
}
|
|
|
|
/* FIXME: Ugly kludge: we send the pack block to the input for it
|
|
* sometimes has a zero scr and restart the sync */
|
|
p_sys->i_cur_block++;
|
|
p_sys->i_title_offset++;
|
|
|
|
DemuxBlock( p_demux, p_buffer, DVD_VIDEO_LB_LEN );
|
|
}
|
|
|
|
if( p_sys->i_cur_cell >= p_sys->p_cur_pgc->nr_of_cells )
|
|
{
|
|
if( p_sys->i_title + 1 >= p_sys->i_titles )
|
|
{
|
|
return 0; /* EOF */
|
|
}
|
|
|
|
DvdReadSetArea( p_demux, p_sys->i_title + 1, 0, -1 );
|
|
}
|
|
|
|
/*
|
|
* Read actual data
|
|
*/
|
|
i_blocks_once = __MIN( p_sys->i_pack_len, DVD_BLOCK_READ_ONCE );
|
|
p_sys->i_pack_len -= i_blocks_once;
|
|
|
|
/* Reads from DVD */
|
|
i_read = DVDReadBlocks( p_sys->p_title, p_sys->i_cur_block,
|
|
i_blocks_once, p_buffer );
|
|
if( i_read != i_blocks_once )
|
|
{
|
|
msg_Err( p_demux, "read failed for %d/%d blocks at 0x%02x",
|
|
i_read, i_blocks_once, p_sys->i_cur_block );
|
|
intf_UserFatal( p_demux, false, _("Playback failure"),
|
|
_("DVDRead could not read %d/%d blocks at 0x%02x."),
|
|
i_read, i_blocks_once, p_sys->i_cur_block );
|
|
return -1;
|
|
}
|
|
|
|
p_sys->i_cur_block += i_read;
|
|
p_sys->i_title_offset += i_read;
|
|
|
|
#if 0
|
|
msg_Dbg( p_demux, "i_blocks: %d len: %d current: 0x%02x",
|
|
i_read, p_sys->i_pack_len, p_sys->i_cur_block );
|
|
#endif
|
|
|
|
for( i = 0; i < i_read; i++ )
|
|
{
|
|
DemuxBlock( p_demux, p_buffer + i * DVD_VIDEO_LB_LEN,
|
|
DVD_VIDEO_LB_LEN );
|
|
}
|
|
|
|
#undef p_pgc
|
|
|
|
return 1;
|
|
}
|
|
|
|
/*****************************************************************************
|
|
* DemuxBlock: demux a given block
|
|
*****************************************************************************/
|
|
static int DemuxBlock( demux_t *p_demux, uint8_t *pkt, int i_pkt )
|
|
{
|
|
demux_sys_t *p_sys = p_demux->p_sys;
|
|
uint8_t *p = pkt;
|
|
|
|
while( p < &pkt[i_pkt] )
|
|
{
|
|
int i_size = ps_pkt_size( p, &pkt[i_pkt] - p );
|
|
block_t *p_pkt;
|
|
if( i_size <= 0 )
|
|
{
|
|
break;
|
|
}
|
|
|
|
/* Create a block */
|
|
p_pkt = block_New( p_demux, i_size );
|
|
memcpy( p_pkt->p_buffer, p, i_size);
|
|
|
|
/* Parse it and send it */
|
|
switch( 0x100 | p[3] )
|
|
{
|
|
case 0x1b9:
|
|
case 0x1bb:
|
|
case 0x1bc:
|
|
|
|
#ifdef DVDREAD_DEBUG
|
|
if( p[3] == 0xbc )
|
|
{
|
|
msg_Warn( p_demux, "received a PSM packet" );
|
|
}
|
|
else if( p[3] == 0xbb )
|
|
{
|
|
msg_Warn( p_demux, "received a SYSTEM packet" );
|
|
}
|
|
#endif
|
|
block_Release( p_pkt );
|
|
break;
|
|
|
|
case 0x1ba:
|
|
{
|
|
int64_t i_scr;
|
|
int i_mux_rate;
|
|
if( !ps_pkt_parse_pack( p_pkt, &i_scr, &i_mux_rate ) )
|
|
{
|
|
es_out_Control( p_demux->out, ES_OUT_SET_PCR, i_scr );
|
|
if( i_mux_rate > 0 ) p_sys->i_mux_rate = i_mux_rate;
|
|
}
|
|
block_Release( p_pkt );
|
|
break;
|
|
}
|
|
default:
|
|
{
|
|
int i_id = ps_pkt_id( p_pkt );
|
|
if( i_id >= 0xc0 )
|
|
{
|
|
ps_track_t *tk = &p_sys->tk[PS_ID_TO_TK(i_id)];
|
|
|
|
if( !tk->b_seen )
|
|
{
|
|
ESNew( p_demux, i_id, 0 );
|
|
}
|
|
if( tk->b_seen && tk->es &&
|
|
!ps_pkt_parse_pes( p_pkt, tk->i_skip ) )
|
|
{
|
|
es_out_Send( p_demux->out, tk->es, p_pkt );
|
|
}
|
|
else
|
|
{
|
|
block_Release( p_pkt );
|
|
}
|
|
}
|
|
else
|
|
{
|
|
block_Release( p_pkt );
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
p += i_size;
|
|
}
|
|
|
|
return VLC_SUCCESS;
|
|
}
|
|
|
|
/*****************************************************************************
|
|
* ESNew: register a new elementary stream
|
|
*****************************************************************************/
|
|
static void ESNew( demux_t *p_demux, int i_id, int i_lang )
|
|
{
|
|
demux_sys_t *p_sys = p_demux->p_sys;
|
|
ps_track_t *tk = &p_sys->tk[PS_ID_TO_TK(i_id)];
|
|
char psz_language[3];
|
|
|
|
if( tk->b_seen ) return;
|
|
|
|
if( ps_track_fill( tk, 0, i_id ) )
|
|
{
|
|
msg_Warn( p_demux, "unknown codec for id=0x%x", i_id );
|
|
return;
|
|
}
|
|
|
|
psz_language[0] = psz_language[1] = psz_language[2] = 0;
|
|
if( i_lang && i_lang != 0xffff )
|
|
{
|
|
psz_language[0] = (i_lang >> 8)&0xff;
|
|
psz_language[1] = (i_lang )&0xff;
|
|
}
|
|
|
|
/* Add a new ES */
|
|
if( tk->fmt.i_cat == VIDEO_ES )
|
|
{
|
|
if( p_sys->i_aspect >= 0 )
|
|
{
|
|
tk->fmt.video.i_aspect = p_sys->i_aspect;
|
|
}
|
|
}
|
|
else if( tk->fmt.i_cat == AUDIO_ES )
|
|
{
|
|
int i_audio = -1;
|
|
/* find the audio number PLEASE find another way */
|
|
if( (i_id&0xbdf8) == 0xbd88 ) /* dts */
|
|
{
|
|
i_audio = i_id&0x07;
|
|
}
|
|
else if( (i_id&0xbdf0) == 0xbd80 ) /* a52 */
|
|
{
|
|
i_audio = i_id&0xf;
|
|
}
|
|
else if( (i_id&0xbdf0) == 0xbda0 ) /* lpcm */
|
|
{
|
|
i_audio = i_id&0x1f;
|
|
}
|
|
else if( ( i_id&0xe0 ) == 0xc0 ) /* mpga */
|
|
{
|
|
i_audio = i_id&0x1f;
|
|
}
|
|
|
|
if( psz_language[0] ) tk->fmt.psz_language = strdup( psz_language );
|
|
}
|
|
else if( tk->fmt.i_cat == SPU_ES )
|
|
{
|
|
/* Palette */
|
|
tk->fmt.subs.spu.palette[0] = 0xBeef;
|
|
memcpy( &tk->fmt.subs.spu.palette[1], p_sys->clut,
|
|
16 * sizeof( uint32_t ) );
|
|
|
|
if( psz_language[0] ) tk->fmt.psz_language = strdup( psz_language );
|
|
}
|
|
|
|
tk->es = es_out_Add( p_demux->out, &tk->fmt );
|
|
tk->b_seen = true;
|
|
}
|
|
|
|
/*****************************************************************************
|
|
* DvdReadSetArea: initialize input data for title x, chapter y.
|
|
* It should be called for each user navigation request.
|
|
*****************************************************************************
|
|
* Take care that i_title and i_chapter start from 0.
|
|
*****************************************************************************/
|
|
static int DvdReadSetArea( demux_t *p_demux, int i_title, int i_chapter,
|
|
int i_angle )
|
|
{
|
|
demux_sys_t *p_sys = p_demux->p_sys;
|
|
int pgc_id = 0, pgn = 0;
|
|
int i;
|
|
|
|
#define p_pgc p_sys->p_cur_pgc
|
|
#define p_vmg p_sys->p_vmg_file
|
|
#define p_vts p_sys->p_vts_file
|
|
|
|
if( i_title >= 0 && i_title < p_sys->i_titles &&
|
|
i_title != p_sys->i_title )
|
|
{
|
|
int i_start_cell, i_end_cell;
|
|
|
|
if( p_sys->p_title != NULL ) DVDCloseFile( p_sys->p_title );
|
|
if( p_vts != NULL ) ifoClose( p_vts );
|
|
p_sys->i_title = i_title;
|
|
|
|
/*
|
|
* We have to load all title information
|
|
*/
|
|
msg_Dbg( p_demux, "open VTS %d, for title %d",
|
|
p_vmg->tt_srpt->title[i_title].title_set_nr, i_title + 1 );
|
|
|
|
/* Ifo vts */
|
|
if( !( p_vts = ifoOpen( p_sys->p_dvdread,
|
|
p_vmg->tt_srpt->title[i_title].title_set_nr ) ) )
|
|
{
|
|
msg_Err( p_demux, "fatal error in vts ifo" );
|
|
return VLC_EGENERIC;
|
|
}
|
|
|
|
/* Title position inside the selected vts */
|
|
p_sys->i_ttn = p_vmg->tt_srpt->title[i_title].vts_ttn;
|
|
|
|
/* Find title start/end */
|
|
pgc_id = p_vts->vts_ptt_srpt->title[p_sys->i_ttn - 1].ptt[0].pgcn;
|
|
pgn = p_vts->vts_ptt_srpt->title[p_sys->i_ttn - 1].ptt[0].pgn;
|
|
p_pgc = p_vts->vts_pgcit->pgci_srp[pgc_id - 1].pgc;
|
|
|
|
p_sys->i_title_start_cell =
|
|
i_start_cell = p_pgc->program_map[pgn - 1] - 1;
|
|
p_sys->i_title_start_block =
|
|
p_pgc->cell_playback[i_start_cell].first_sector;
|
|
|
|
p_sys->i_title_end_cell =
|
|
i_end_cell = p_pgc->nr_of_cells - 1;
|
|
p_sys->i_title_end_block =
|
|
p_pgc->cell_playback[i_end_cell].last_sector;
|
|
|
|
p_sys->i_title_offset = 0;
|
|
|
|
p_sys->i_title_blocks = 0;
|
|
for( i = i_start_cell; i <= i_end_cell; i++ )
|
|
{
|
|
p_sys->i_title_blocks += p_pgc->cell_playback[i].last_sector -
|
|
p_pgc->cell_playback[i].first_sector + 1;
|
|
}
|
|
|
|
msg_Dbg( p_demux, "title %d vts_title %d pgc %d pgn %d "
|
|
"start %d end %d blocks: %d",
|
|
i_title + 1, p_sys->i_ttn, pgc_id, pgn,
|
|
p_sys->i_title_start_block, p_sys->i_title_end_block,
|
|
p_sys->i_title_blocks );
|
|
|
|
/*
|
|
* Set properties for current chapter
|
|
*/
|
|
p_sys->i_chapter = 0;
|
|
p_sys->i_chapters =
|
|
p_vts->vts_ptt_srpt->title[p_sys->i_ttn - 1].nr_of_ptts;
|
|
|
|
pgc_id = p_vts->vts_ptt_srpt->title[
|
|
p_sys->i_ttn - 1].ptt[p_sys->i_chapter].pgcn;
|
|
pgn = p_vts->vts_ptt_srpt->title[
|
|
p_sys->i_ttn - 1].ptt[p_sys->i_chapter].pgn;
|
|
|
|
p_pgc = p_vts->vts_pgcit->pgci_srp[pgc_id - 1].pgc;
|
|
p_sys->i_pack_len = 0;
|
|
p_sys->i_next_cell =
|
|
p_sys->i_cur_cell = p_pgc->program_map[pgn - 1] - 1;
|
|
DvdReadFindCell( p_demux );
|
|
|
|
p_sys->i_next_vobu = p_sys->i_cur_block =
|
|
p_pgc->cell_playback[p_sys->i_cur_cell].first_sector;
|
|
|
|
/*
|
|
* Angle management
|
|
*/
|
|
p_sys->i_angles = p_vmg->tt_srpt->title[i_title].nr_of_angles;
|
|
if( p_sys->i_angle > p_sys->i_angles ) p_sys->i_angle = 1;
|
|
|
|
/*
|
|
* We've got enough info, time to open the title set data.
|
|
*/
|
|
if( !( p_sys->p_title = DVDOpenFile( p_sys->p_dvdread,
|
|
p_vmg->tt_srpt->title[i_title].title_set_nr,
|
|
DVD_READ_TITLE_VOBS ) ) )
|
|
{
|
|
msg_Err( p_demux, "cannot open title (VTS_%02d_1.VOB)",
|
|
p_vmg->tt_srpt->title[i_title].title_set_nr );
|
|
return VLC_EGENERIC;
|
|
}
|
|
|
|
//IfoPrintTitle( p_demux );
|
|
|
|
/*
|
|
* Destroy obsolete ES by reinitializing program 0
|
|
* and find all ES in title with ifo data
|
|
*/
|
|
es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
|
|
|
|
for( i = 0; i < PS_TK_COUNT; i++ )
|
|
{
|
|
ps_track_t *tk = &p_sys->tk[i];
|
|
if( tk->b_seen )
|
|
{
|
|
es_format_Clean( &tk->fmt );
|
|
if( tk->es ) es_out_Del( p_demux->out, tk->es );
|
|
}
|
|
tk->b_seen = false;
|
|
}
|
|
|
|
if( p_demux->info.i_title != i_title )
|
|
{
|
|
p_demux->info.i_update |=
|
|
INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
|
|
p_demux->info.i_title = i_title;
|
|
p_demux->info.i_seekpoint = 0;
|
|
}
|
|
|
|
/* TODO: re-add angles */
|
|
|
|
|
|
ESNew( p_demux, 0xe0, 0 ); /* Video, FIXME ? */
|
|
p_sys->i_aspect = p_vts->vtsi_mat->vts_video_attr.display_aspect_ratio;
|
|
|
|
#define audio_control \
|
|
p_sys->p_vts_file->vts_pgcit->pgci_srp[pgc_id-1].pgc->audio_control[i-1]
|
|
|
|
/* Audio ES, in the order they appear in the .ifo */
|
|
for( i = 1; i <= p_vts->vtsi_mat->nr_of_vts_audio_streams; i++ )
|
|
{
|
|
int i_position = 0;
|
|
uint16_t i_id;
|
|
|
|
//IfoPrintAudio( p_demux, i );
|
|
|
|
/* Audio channel is active if first byte is 0x80 */
|
|
if( audio_control & 0x8000 )
|
|
{
|
|
i_position = ( audio_control & 0x7F00 ) >> 8;
|
|
|
|
msg_Dbg( p_demux, "audio position %d", i_position );
|
|
switch( p_vts->vtsi_mat->vts_audio_attr[i - 1].audio_format )
|
|
{
|
|
case 0x00: /* A52 */
|
|
i_id = (0x80 + i_position) | 0xbd00;
|
|
break;
|
|
case 0x02:
|
|
case 0x03: /* MPEG audio */
|
|
i_id = 0xc000 + i_position;
|
|
break;
|
|
case 0x04: /* LPCM */
|
|
i_id = (0xa0 + i_position) | 0xbd00;
|
|
break;
|
|
case 0x06: /* DTS */
|
|
i_id = (0x88 + i_position) | 0xbd00;
|
|
break;
|
|
default:
|
|
i_id = 0;
|
|
msg_Err( p_demux, "unknown audio type %.2x",
|
|
p_vts->vtsi_mat->vts_audio_attr[i - 1].audio_format );
|
|
}
|
|
|
|
ESNew( p_demux, i_id, p_sys->p_vts_file->vtsi_mat->
|
|
vts_audio_attr[i - 1].lang_code );
|
|
}
|
|
}
|
|
#undef audio_control
|
|
|
|
#define spu_palette \
|
|
p_sys->p_vts_file->vts_pgcit->pgci_srp[pgc_id-1].pgc->palette
|
|
|
|
memcpy( p_sys->clut, spu_palette, 16 * sizeof( uint32_t ) );
|
|
|
|
#define spu_control \
|
|
p_sys->p_vts_file->vts_pgcit->pgci_srp[pgc_id-1].pgc->subp_control[i-1]
|
|
|
|
/* Sub Picture ES */
|
|
for( i = 1; i <= p_vts->vtsi_mat->nr_of_vts_subp_streams; i++ )
|
|
{
|
|
int i_position = 0;
|
|
uint16_t i_id;
|
|
|
|
//IfoPrintSpu( p_sys, i );
|
|
msg_Dbg( p_demux, "spu %d 0x%02x", i, spu_control );
|
|
|
|
if( spu_control & 0x80000000 )
|
|
{
|
|
/* there are several streams for one spu */
|
|
if( p_vts->vtsi_mat->vts_video_attr.display_aspect_ratio )
|
|
{
|
|
/* 16:9 */
|
|
switch( p_vts->vtsi_mat->vts_video_attr.permitted_df )
|
|
{
|
|
case 1: /* letterbox */
|
|
i_position = spu_control & 0xff;
|
|
break;
|
|
case 2: /* pan&scan */
|
|
i_position = ( spu_control >> 8 ) & 0xff;
|
|
break;
|
|
default: /* widescreen */
|
|
i_position = ( spu_control >> 16 ) & 0xff;
|
|
break;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
/* 4:3 */
|
|
i_position = ( spu_control >> 24 ) & 0x7F;
|
|
}
|
|
|
|
i_id = (0x20 + i_position) | 0xbd00;
|
|
|
|
ESNew( p_demux, i_id, p_sys->p_vts_file->vtsi_mat->
|
|
vts_subp_attr[i - 1].lang_code );
|
|
}
|
|
}
|
|
#undef spu_control
|
|
|
|
}
|
|
else if( i_title != -1 && i_title != p_sys->i_title )
|
|
|
|
{
|
|
return VLC_EGENERIC; /* Couldn't set title */
|
|
}
|
|
|
|
/*
|
|
* Chapter selection
|
|
*/
|
|
|
|
if( i_chapter >= 0 && i_chapter < p_sys->i_chapters )
|
|
{
|
|
pgc_id = p_vts->vts_ptt_srpt->title[
|
|
p_sys->i_ttn - 1].ptt[i_chapter].pgcn;
|
|
pgn = p_vts->vts_ptt_srpt->title[
|
|
p_sys->i_ttn - 1].ptt[i_chapter].pgn;
|
|
|
|
p_pgc = p_vts->vts_pgcit->pgci_srp[pgc_id - 1].pgc;
|
|
|
|
p_sys->i_cur_cell = p_pgc->program_map[pgn - 1] - 1;
|
|
p_sys->i_chapter = i_chapter;
|
|
DvdReadFindCell( p_demux );
|
|
|
|
p_sys->i_title_offset = 0;
|
|
for( i = p_sys->i_title_start_cell; i < p_sys->i_cur_cell; i++ )
|
|
{
|
|
p_sys->i_title_offset += p_pgc->cell_playback[i].last_sector -
|
|
p_pgc->cell_playback[i].first_sector + 1;
|
|
}
|
|
|
|
p_sys->i_pack_len = 0;
|
|
p_sys->i_next_vobu = p_sys->i_cur_block =
|
|
p_pgc->cell_playback[p_sys->i_cur_cell].first_sector;
|
|
|
|
if( p_demux->info.i_seekpoint != i_chapter )
|
|
{
|
|
p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
|
|
p_demux->info.i_seekpoint = i_chapter;
|
|
}
|
|
}
|
|
else if( i_chapter != -1 )
|
|
|
|
{
|
|
return VLC_EGENERIC; /* Couldn't set chapter */
|
|
}
|
|
|
|
#undef p_pgc
|
|
#undef p_vts
|
|
#undef p_vmg
|
|
|
|
return VLC_SUCCESS;
|
|
}
|
|
|
|
/*****************************************************************************
|
|
* DvdReadSeek : Goes to a given position on the stream.
|
|
*****************************************************************************
|
|
* This one is used by the input and translate chronological position from
|
|
* input to logical position on the device.
|
|
*****************************************************************************/
|
|
static void DvdReadSeek( demux_t *p_demux, int i_block_offset )
|
|
{
|
|
demux_sys_t *p_sys = p_demux->p_sys;
|
|
int i_chapter = 0;
|
|
int i_cell = 0;
|
|
int i_vobu = 0;
|
|
int i_sub_cell = 0;
|
|
int i_block;
|
|
|
|
#define p_pgc p_sys->p_cur_pgc
|
|
#define p_vts p_sys->p_vts_file
|
|
|
|
/* Find cell */
|
|
i_block = i_block_offset;
|
|
for( i_cell = p_sys->i_title_start_cell;
|
|
i_cell <= p_sys->i_title_end_cell; i_cell++ )
|
|
{
|
|
if( i_block < (int)p_pgc->cell_playback[i_cell].last_sector -
|
|
(int)p_pgc->cell_playback[i_cell].first_sector + 1 ) break;
|
|
|
|
i_block -= (p_pgc->cell_playback[i_cell].last_sector -
|
|
p_pgc->cell_playback[i_cell].first_sector + 1);
|
|
}
|
|
if( i_cell > p_sys->i_title_end_cell )
|
|
{
|
|
msg_Err( p_demux, "couldn't find cell for block %i", i_block_offset );
|
|
return;
|
|
}
|
|
i_block += p_pgc->cell_playback[i_cell].first_sector;
|
|
p_sys->i_title_offset = i_block_offset;
|
|
|
|
/* Find chapter */
|
|
for( i_chapter = 0; i_chapter < p_sys->i_chapters; i_chapter++ )
|
|
{
|
|
int pgc_id, pgn, i_tmp;
|
|
|
|
pgc_id = p_vts->vts_ptt_srpt->title[
|
|
p_sys->i_ttn - 1].ptt[i_chapter].pgcn;
|
|
pgn = p_vts->vts_ptt_srpt->title[
|
|
p_sys->i_ttn - 1].ptt[i_chapter].pgn;
|
|
|
|
i_tmp = p_vts->vts_pgcit->pgci_srp[pgc_id - 1].pgc->program_map[pgn-1];
|
|
|
|
if( i_tmp > i_cell ) break;
|
|
}
|
|
|
|
if( i_chapter < p_sys->i_chapters &&
|
|
p_demux->info.i_seekpoint != i_chapter )
|
|
{
|
|
p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
|
|
p_demux->info.i_seekpoint = i_chapter;
|
|
}
|
|
|
|
/* Find vobu */
|
|
while( (int)p_vts->vts_vobu_admap->vobu_start_sectors[i_vobu] <= i_block )
|
|
{
|
|
i_vobu++;
|
|
}
|
|
|
|
/* Find sub_cell */
|
|
while( p_vts->vts_c_adt->cell_adr_table[i_sub_cell].start_sector <
|
|
p_vts->vts_vobu_admap->vobu_start_sectors[i_vobu-1] )
|
|
{
|
|
i_sub_cell++;
|
|
}
|
|
|
|
#if 1
|
|
msg_Dbg( p_demux, "cell %d i_sub_cell %d chapter %d vobu %d "
|
|
"cell_sector %d vobu_sector %d sub_cell_sector %d",
|
|
i_cell, i_sub_cell, i_chapter, i_vobu,
|
|
p_sys->p_cur_pgc->cell_playback[i_cell].first_sector,
|
|
p_vts->vts_vobu_admap->vobu_start_sectors[i_vobu],
|
|
p_vts->vts_c_adt->cell_adr_table[i_sub_cell - 1].start_sector);
|
|
#endif
|
|
|
|
p_sys->i_cur_block = i_block;
|
|
p_sys->i_next_vobu = p_vts->vts_vobu_admap->vobu_start_sectors[i_vobu];
|
|
p_sys->i_pack_len = p_sys->i_next_vobu - i_block;
|
|
p_sys->i_cur_cell = i_cell;
|
|
p_sys->i_chapter = i_chapter;
|
|
DvdReadFindCell( p_demux );
|
|
|
|
#undef p_vts
|
|
#undef p_pgc
|
|
|
|
return;
|
|
}
|
|
|
|
/*****************************************************************************
|
|
* DvdReadHandleDSI
|
|
*****************************************************************************/
|
|
static void DvdReadHandleDSI( demux_t *p_demux, uint8_t *p_data )
|
|
{
|
|
demux_sys_t *p_sys = p_demux->p_sys;
|
|
|
|
navRead_DSI( &p_sys->dsi_pack, &p_data[DSI_START_BYTE] );
|
|
|
|
/*
|
|
* Determine where we go next. These values are the ones we mostly
|
|
* care about.
|
|
*/
|
|
p_sys->i_cur_block = p_sys->dsi_pack.dsi_gi.nv_pck_lbn;
|
|
p_sys->i_pack_len = p_sys->dsi_pack.dsi_gi.vobu_ea;
|
|
|
|
/*
|
|
* Store the timecodes so we can get the current time
|
|
*/
|
|
p_sys->i_title_cur_time = (mtime_t) (p_sys->dsi_pack.dsi_gi.nv_pck_scr / 90 * 1000);
|
|
p_sys->i_cell_cur_time = (mtime_t) dvdtime_to_time( &p_sys->dsi_pack.dsi_gi.c_eltm, 0 );
|
|
|
|
/*
|
|
* If we're not at the end of this cell, we can determine the next
|
|
* VOBU to display using the VOBU_SRI information section of the
|
|
* DSI. Using this value correctly follows the current angle,
|
|
* avoiding the doubled scenes in The Matrix, and makes our life
|
|
* really happy.
|
|
*/
|
|
|
|
p_sys->i_next_vobu = p_sys->i_cur_block +
|
|
( p_sys->dsi_pack.vobu_sri.next_vobu & 0x7fffffff );
|
|
|
|
if( p_sys->dsi_pack.vobu_sri.next_vobu != SRI_END_OF_CELL
|
|
&& p_sys->i_angle > 1 )
|
|
{
|
|
switch( ( p_sys->dsi_pack.sml_pbi.category & 0xf000 ) >> 12 )
|
|
{
|
|
case 0x4:
|
|
/* Interleaved unit with no angle */
|
|
if( p_sys->dsi_pack.sml_pbi.ilvu_sa != 0 )
|
|
{
|
|
p_sys->i_next_vobu = p_sys->i_cur_block +
|
|
p_sys->dsi_pack.sml_pbi.ilvu_sa;
|
|
p_sys->i_pack_len = p_sys->dsi_pack.sml_pbi.ilvu_ea;
|
|
}
|
|
else
|
|
{
|
|
p_sys->i_next_vobu = p_sys->i_cur_block +
|
|
p_sys->dsi_pack.dsi_gi.vobu_ea + 1;
|
|
}
|
|
break;
|
|
case 0x5:
|
|
/* vobu is end of ilvu */
|
|
if( p_sys->dsi_pack.sml_agli.data[p_sys->i_angle-1].address )
|
|
{
|
|
p_sys->i_next_vobu = p_sys->i_cur_block +
|
|
p_sys->dsi_pack.sml_agli.data[p_sys->i_angle-1].address;
|
|
p_sys->i_pack_len = p_sys->dsi_pack.sml_pbi.ilvu_ea;
|
|
|
|
break;
|
|
}
|
|
case 0x6:
|
|
/* vobu is beginning of ilvu */
|
|
case 0x9:
|
|
/* next scr is 0 */
|
|
case 0xa:
|
|
/* entering interleaved section */
|
|
case 0x8:
|
|
/* non interleaved cells in interleaved section */
|
|
default:
|
|
p_sys->i_next_vobu = p_sys->i_cur_block +
|
|
( p_sys->dsi_pack.vobu_sri.next_vobu & 0x7fffffff );
|
|
break;
|
|
}
|
|
}
|
|
else if( p_sys->dsi_pack.vobu_sri.next_vobu == SRI_END_OF_CELL )
|
|
{
|
|
p_sys->i_cur_cell = p_sys->i_next_cell;
|
|
|
|
/* End of title */
|
|
if( p_sys->i_cur_cell >= p_sys->p_cur_pgc->nr_of_cells ) return;
|
|
|
|
DvdReadFindCell( p_demux );
|
|
|
|
p_sys->i_next_vobu =
|
|
p_sys->p_cur_pgc->cell_playback[p_sys->i_cur_cell].first_sector;
|
|
|
|
p_sys->i_cell_duration = (mtime_t)dvdtime_to_time( &p_sys->p_cur_pgc->cell_playback[p_sys->i_cur_cell].playback_time, 0 );
|
|
}
|
|
|
|
|
|
#if 0
|
|
msg_Dbg( p_demux, "scr %d lbn 0x%02x vobu_ea %d vob_id %d c_id %d c_time %lld",
|
|
p_sys->dsi_pack.dsi_gi.nv_pck_scr,
|
|
p_sys->dsi_pack.dsi_gi.nv_pck_lbn,
|
|
p_sys->dsi_pack.dsi_gi.vobu_ea,
|
|
p_sys->dsi_pack.dsi_gi.vobu_vob_idn,
|
|
p_sys->dsi_pack.dsi_gi.vobu_c_idn,
|
|
dvdtime_to_time( &p_sys->dsi_pack.dsi_gi.c_eltm, 0 ) );
|
|
|
|
msg_Dbg( p_demux, "cell duration: %lld",
|
|
(mtime_t)dvdtime_to_time( &p_sys->p_cur_pgc->cell_playback[p_sys->i_cur_cell].playback_time, 0 ) );
|
|
|
|
msg_Dbg( p_demux, "cat 0x%02x ilvu_ea %d ilvu_sa %d size %d",
|
|
p_sys->dsi_pack.sml_pbi.category,
|
|
p_sys->dsi_pack.sml_pbi.ilvu_ea,
|
|
p_sys->dsi_pack.sml_pbi.ilvu_sa,
|
|
p_sys->dsi_pack.sml_pbi.size );
|
|
|
|
msg_Dbg( p_demux, "next_vobu %d next_ilvu1 %d next_ilvu2 %d",
|
|
p_sys->dsi_pack.vobu_sri.next_vobu & 0x7fffffff,
|
|
p_sys->dsi_pack.sml_agli.data[ p_sys->i_angle - 1 ].address,
|
|
p_sys->dsi_pack.sml_agli.data[ p_sys->i_angle ].address);
|
|
#endif
|
|
}
|
|
|
|
/*****************************************************************************
|
|
* DvdReadFindCell
|
|
*****************************************************************************/
|
|
static void DvdReadFindCell( demux_t *p_demux )
|
|
{
|
|
demux_sys_t *p_sys = p_demux->p_sys;
|
|
|
|
pgc_t *p_pgc;
|
|
int pgc_id, pgn;
|
|
int i = 0;
|
|
|
|
#define cell p_sys->p_cur_pgc->cell_playback
|
|
|
|
if( cell[p_sys->i_cur_cell].block_type == BLOCK_TYPE_ANGLE_BLOCK )
|
|
{
|
|
p_sys->i_cur_cell += p_sys->i_angle - 1;
|
|
|
|
while( cell[p_sys->i_cur_cell+i].block_mode != BLOCK_MODE_LAST_CELL )
|
|
{
|
|
i++;
|
|
}
|
|
p_sys->i_next_cell = p_sys->i_cur_cell + i + 1;
|
|
}
|
|
else
|
|
{
|
|
p_sys->i_next_cell = p_sys->i_cur_cell + 1;
|
|
}
|
|
|
|
#undef cell
|
|
|
|
if( p_sys->i_chapter + 1 >= p_sys->i_chapters ) return;
|
|
|
|
pgc_id = p_sys->p_vts_file->vts_ptt_srpt->title[
|
|
p_sys->i_ttn - 1].ptt[p_sys->i_chapter + 1].pgcn;
|
|
pgn = p_sys->p_vts_file->vts_ptt_srpt->title[
|
|
p_sys->i_ttn - 1].ptt[p_sys->i_chapter + 1].pgn;
|
|
p_pgc = p_sys->p_vts_file->vts_pgcit->pgci_srp[pgc_id - 1].pgc;
|
|
|
|
if( p_sys->i_cur_cell >= p_pgc->program_map[pgn - 1] - 1 )
|
|
{
|
|
p_sys->i_chapter++;
|
|
|
|
if( p_sys->i_chapter < p_sys->i_chapters &&
|
|
p_demux->info.i_seekpoint != p_sys->i_chapter )
|
|
{
|
|
p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
|
|
p_demux->info.i_seekpoint = p_sys->i_chapter;
|
|
}
|
|
}
|
|
}
|
|
|
|
/*****************************************************************************
|
|
* DemuxTitles: get the titles/chapters structure
|
|
*****************************************************************************/
|
|
static void DemuxTitles( demux_t *p_demux, int *pi_angle )
|
|
{
|
|
demux_sys_t *p_sys = p_demux->p_sys;
|
|
input_title_t *t;
|
|
seekpoint_t *s;
|
|
int32_t i_titles;
|
|
int i;
|
|
|
|
/* Find out number of titles/chapters */
|
|
#define tt_srpt p_sys->p_vmg_file->tt_srpt
|
|
|
|
i_titles = tt_srpt->nr_of_srpts;
|
|
msg_Dbg( p_demux, "number of titles: %d", i_titles );
|
|
|
|
for( i = 0; i < i_titles; i++ )
|
|
{
|
|
int32_t i_chapters = 0;
|
|
int j;
|
|
|
|
i_chapters = tt_srpt->title[i].nr_of_ptts;
|
|
msg_Dbg( p_demux, "title %d has %d chapters", i, i_chapters );
|
|
|
|
t = vlc_input_title_New();
|
|
|
|
for( j = 0; j < __MAX( i_chapters, 1 ); j++ )
|
|
{
|
|
s = vlc_seekpoint_New();
|
|
TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
|
|
}
|
|
|
|
TAB_APPEND( p_sys->i_titles, p_sys->titles, t );
|
|
}
|
|
|
|
#undef tt_srpt
|
|
}
|