-/*****************************************************************************
- * input.c: DvdRead plugin.
- *****************************************************************************
- * This plugins should handle all the known specificities of the DVD format,
- * especially the 2048 bytes logical block size.
- * It depends on: libdvdread for ifo files and block reading.
- *****************************************************************************
- * Copyright (C) 2001, 2003 VideoLAN
- * $Id: input.c,v 1.24 2004/03/03 20:39:51 gbazin Exp $
- *
- * Author: Stéphane Borel <stef@via.ecp.fr>
- *
- * Some code taken form the play_title.c by Billy Biggs <vektor@dumbterm.net>
- * in libdvdread.
- *
- * 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, USA.
- *****************************************************************************/
-
-/*****************************************************************************
- * Preamble
- *****************************************************************************/
-#include <stdio.h>
-#include <stdlib.h>
-
-#include <vlc/vlc.h>
-#include <vlc/input.h>
-
-#include "../../demux/mpeg/system.h"
-
-#ifdef HAVE_UNISTD_H
-# include <unistd.h>
-#endif
-
-#include <fcntl.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <string.h>
-#include <errno.h>
-#include <assert.h>
-
-#ifdef STRNCASECMP_IN_STRINGS_H
-# include <strings.h>
-#endif
-
-#if defined( WIN32 )
-# include <io.h> /* read() */
-#endif
-
-#include <dvdread/dvd_reader.h>
-#include <dvdread/ifo_types.h>
-#include <dvdread/ifo_read.h>
-#include <dvdread/nav_read.h>
-#include <dvdread/nav_print.h>
-
-#include "input.h"
-
-#include "iso_lang.h"
-
-/* how many blocks DVDRead will read in each loop */
-#define DVD_BLOCK_READ_ONCE 64
-
-/*****************************************************************************
- * Private structure
- *****************************************************************************/
-struct demux_sys_t
-{
- module_t * p_module;
- mpeg_demux_t mpeg;
-};
-
-/*****************************************************************************
- * Local prototypes
- *****************************************************************************/
-/* called from outside */
-static int DvdReadDemux ( input_thread_t * );
-static int DvdReadRewind ( input_thread_t * );
-
-static int DvdReadSetArea ( input_thread_t *, input_area_t * );
-static int DvdReadSetProgram ( input_thread_t *, pgrm_descriptor_t * );
-static ssize_t DvdReadRead ( input_thread_t *, byte_t *, size_t );
-static void DvdReadSeek ( input_thread_t *, off_t );
-
-/* called only from here */
-static void DvdReadLauchDecoders( input_thread_t * p_input );
-static void DvdReadHandleDSI( thread_dvd_data_t * p_dvd, uint8_t * p_data );
-static void DvdReadFindCell ( thread_dvd_data_t * p_dvd );
-
-/*
- * Data demux functions
- */
-
-/*****************************************************************************
- * InitDVD: initialize DVD structures
- *****************************************************************************/
-int E_(InitDVD) ( vlc_object_t *p_this )
-{
- input_thread_t *p_input = (input_thread_t *)p_this;
- demux_sys_t * p_demux;
-
- if( p_input->stream.i_method != INPUT_METHOD_DVD )
- {
- return VLC_EGENERIC;
- }
-
- p_demux = p_input->p_demux_data = malloc( sizeof(demux_sys_t ) );
- if( p_demux == NULL )
- {
- return VLC_ENOMEM;
- }
-
- p_input->p_private = (void*)&p_demux->mpeg;
- p_demux->p_module = module_Need( p_input, "mpeg-system", NULL, 0 );
- if( p_demux->p_module == NULL )
- {
- free( p_input->p_demux_data );
- return VLC_ENOMOD;
- }
-
- p_input->pf_demux = DvdReadDemux;
- p_input->pf_demux_control = demux_vaControlDefault;
- p_input->pf_rewind = NULL;
-
- vlc_mutex_lock( &p_input->stream.stream_lock );
-
- DvdReadLauchDecoders( p_input );
-
- vlc_mutex_unlock( &p_input->stream.stream_lock );
-
- return VLC_SUCCESS;
-}
-
-/*****************************************************************************
- * EndDVD: end DVD structures
- *****************************************************************************/
-void E_(EndDVD) ( vlc_object_t *p_this )
-{
- input_thread_t *p_input = (input_thread_t *)p_this;
-
- module_Unneed( p_input, p_input->p_demux_data->p_module );
- free( p_input->p_demux_data );
-}
-
-/*****************************************************************************
- * DvdReadDemux
- *****************************************************************************/
-#define PEEK( SIZE ) \
- i_result = input_Peek( p_input, &p_peek, SIZE ); \
- if( i_result == -1 ) \
- { \
- return -1; \
- } \
- else if( i_result < SIZE ) \
- { \
- /* EOF */ \
- return 0; \
- }
-
-static int DvdReadDemux( input_thread_t * p_input )
-{
- int i;
- byte_t * p_peek;
- data_packet_t * p_data;
- ssize_t i_result;
- int i_packet_size;
-
-
- /* Read headers to compute payload length */
- for( i = 0 ; i < DVD_BLOCK_READ_ONCE ; i++ )
- {
-
- /* Read what we believe to be a packet header. */
- PEEK( 4 );
-
- /* Default header */
- if( U32_AT( p_peek ) != 0x1BA )
- {
- /* That's the case for all packets, except pack header. */
- i_packet_size = U16_AT( p_peek + 4 );
- }
- else
- {
- /* MPEG-2 Pack header. */
- i_packet_size = 8;
- }
-
- /* Fetch a packet of the appropriate size. */
- i_result = input_SplitBuffer( p_input, &p_data, i_packet_size + 6 );
- if( i_result <= 0 )
- {
- return( i_result );
- }
-
- /* In MPEG-2 pack headers we still have to read stuffing bytes. */
- if( (p_data->p_demux_start[3] == 0xBA) && (i_packet_size == 8) )
- {
- ssize_t i_stuffing = (p_data->p_demux_start[13] & 0x7);
- /* Force refill of the input buffer - though we don't care
- * about p_peek. Please note that this is unoptimized. */
- PEEK( i_stuffing );
- p_input->p_current_data += i_stuffing;
- }
-
- p_input->p_demux_data->mpeg.pf_demux_ps( p_input, p_data );
-
- }
-
- return i;
-}
-
-/*****************************************************************************
- * DVDRewind : reads a stream backward
- *****************************************************************************/
-static int DvdReadRewind( input_thread_t * p_input )
-{
- return -1;
-}
-
-/*
- * Data access functions
- */
-
-/*****************************************************************************
- * OpenDVD: open libdvdread
- *****************************************************************************/
-int E_(OpenDVD) ( vlc_object_t *p_this )
-{
- input_thread_t * p_input = (input_thread_t *)p_this;
- char * psz_parser;
- char * psz_source;
- char * psz_next;
- struct stat stat_info;
- thread_dvd_data_t * p_dvd;
- dvd_reader_t * p_dvdread;
- input_area_t * p_area;
- unsigned int i_title = 1;
- unsigned int i_chapter = 1;
- unsigned int i_angle = 1;
- unsigned int i;
-
- psz_source = strdup( p_input->psz_name );
- if( psz_source == NULL )
- {
- return VLC_ENOMEM;
- }
-
- p_input->pf_read = DvdReadRead;
- p_input->pf_seek = DvdReadSeek;
- p_input->pf_set_area = DvdReadSetArea;
- p_input->pf_set_program = DvdReadSetProgram;
-
- /* Start with the end, because you could have :
- * dvdread:/Volumes/my@toto/VIDEO_TS@1,1
- * (yes, this is kludgy). */
- for ( psz_parser = psz_source + strlen(psz_source) - 1;
- psz_parser >= psz_source && *psz_parser != '@';
- psz_parser-- );
-
- if( psz_parser >= psz_source && *psz_parser == '@' )
- {
- /* Found options */
- *psz_parser = '\0';
- ++psz_parser;
-
- i_title = (int)strtol( psz_parser, &psz_next, 10 );
- if( *psz_next )
- {
- psz_parser = psz_next + 1;
- i_chapter = (int)strtol( psz_parser, &psz_next, 10 );
- if( *psz_next )
- {
- i_angle = (int)strtol( psz_next + 1, NULL, 10 );
- }
- }
-
- i_title = i_title ? i_title : 1;
- i_chapter = i_chapter ? i_chapter : 1;
- i_angle = i_angle ? i_angle : 1;
- }
-
- if( !*psz_source )
- {
- free( psz_source );
- if( !p_input->psz_access )
- {
- return VLC_EGENERIC;
- }
- psz_source = config_GetPsz( p_input, "dvd" );
- if( !psz_source ) return VLC_EGENERIC;
- }
-
- if( stat( psz_source, &stat_info ) == -1 )
- {
- msg_Warn( p_input, "cannot stat() source `%s' (%s)",
- psz_source, strerror(errno) );
- free( psz_source );
- return VLC_EGENERIC;
- }
- if( !S_ISBLK(stat_info.st_mode) &&
- !S_ISCHR(stat_info.st_mode) &&
- !S_ISDIR(stat_info.st_mode) )
- {
- msg_Warn( p_input, "dvdread module discarded (not a valid source)" );
- free( psz_source );
- return VLC_EGENERIC;
- }
-
- msg_Dbg( p_input, "dvdroot=%s title=%d chapter=%d angle=%d",
- psz_source, i_title, i_chapter, i_angle );
-
-
- p_dvdread = DVDOpen( psz_source );
-
- /* free allocated strings */
- free( psz_source );
-
- if( ! p_dvdread )
- {
- msg_Err( p_input, "libdvdcss cannot open source" );
- return VLC_EGENERIC;
- }
-
- /* set up input */
- p_input->i_mtu = 0;
-
- p_dvd = malloc( sizeof(thread_dvd_data_t) );
- if( p_dvd == NULL )
- {
- msg_Err( p_input, "out of memory" );
- return VLC_ENOMEM;
- }
-
- p_dvd->p_dvdread = p_dvdread;
- p_dvd->p_title = NULL;
- p_dvd->p_vts_file = NULL;
-
-
- p_input->p_access_data = (void *)p_dvd;
-
- /* Ifo allocation & initialisation */
- if( ! ( p_dvd->p_vmg_file = ifoOpen( p_dvd->p_dvdread, 0 ) ) )
- {
- msg_Warn( p_input, "cannot open VMG info" );
- free( p_dvd );
- return VLC_EGENERIC;
- }
- msg_Dbg( p_input, "VMG opened" );
-
- /* Set stream and area data */
- vlc_mutex_lock( &p_input->stream.stream_lock );
-
- p_input->stream.i_method = INPUT_METHOD_DVD;
-
- /* If we are here we can control the pace... */
- p_input->stream.b_pace_control = VLC_TRUE;
- p_input->stream.b_seekable = VLC_TRUE;
-
- p_input->stream.p_selected_area->i_size = 0;
- p_input->stream.p_selected_area->i_tell = 0;
-
- /* Initialize ES structures */
- input_InitStream( p_input, sizeof( stream_ps_data_t ) );
-
- /* disc input method */
- p_input->stream.i_method = INPUT_METHOD_DVD;
-
-#define tt_srpt p_dvd->p_vmg_file->tt_srpt
- msg_Dbg( p_input, "number of titles: %d", tt_srpt->nr_of_srpts );
-
-#define area p_input->stream.pp_areas
- /* We start from 1 here since the default area 0
- * is reserved for video_ts.vob */
- for( i = 1 ; i <= tt_srpt->nr_of_srpts ; i++ )
- {
- /* Titles are Program Chains */
- input_AddArea( p_input, i, tt_srpt->title[i-1].nr_of_ptts );
-
- /* Absolute start offset and size
- * We can only set that with vts ifo, so we do it during the
- * first call to DVDSetArea */
- area[i]->i_start = 0;
- area[i]->i_size = 0;
-
- /* Default Chapter */
- area[i]->i_part = 1;
-
- area[i]->i_plugin_data = tt_srpt->title[i-1].title_set_nr;
- }
-#undef area
-
- p_dvd->i_title = i_title <= tt_srpt->nr_of_srpts ? i_title : 1;
-#undef tt_srpt
-
- p_area = p_input->stream.pp_areas[p_dvd->i_title];
- p_dvd->i_chapter = i_chapter;
-
- p_dvd->i_chapter = i_chapter < p_area->i_part_nb ? i_chapter : 1;
- p_area->i_part = p_dvd->i_chapter;
-
- p_dvd->i_angle = i_angle;
-
- /* set title, chapter, audio and subpic */
- if( DvdReadSetArea( p_input, p_area ) )
- {
- vlc_mutex_unlock( &p_input->stream.stream_lock );
- return VLC_EGENERIC;
- }
-
- vlc_mutex_unlock( &p_input->stream.stream_lock );
-
- if( !p_input->psz_demux || !*p_input->psz_demux )
- {
- p_input->psz_demux = "dvdread";
- }
-
- return VLC_SUCCESS;
-}
-
-/*****************************************************************************
- * CloseDVD: close libdvdread
- *****************************************************************************/
-void E_(CloseDVD) ( vlc_object_t *p_this )
-{
- input_thread_t * p_input = (input_thread_t *)p_this;
- thread_dvd_data_t * p_dvd = (thread_dvd_data_t *)p_input->p_access_data;
-
- /* This is a very nasty side-effect in the DVD plug-in : language
- * selection here influences language selection of other streams. So
- * unset those variables (may not be what the user wants).
- * FIXME FIXME FIXME FIXME FIXME FIXME FIXME --Meuuh */
- config_PutInt( p_input, "audio-channel", -1 );
- config_PutInt( p_input, "spu-channel", -1 );
-
- /* close libdvdread */
- DVDCloseFile( p_dvd->p_title );
- ifoClose( p_dvd->p_vts_file );
- ifoClose( p_dvd->p_vmg_file );
-
- DVDClose( p_dvd->p_dvdread );
- free( p_dvd );
- p_input->p_access_data = NULL;
-
-}
-
-/*****************************************************************************
- * DvdReadSetProgram: Does nothing, a DVD is mono-program
- *****************************************************************************/
-static int DvdReadSetProgram( input_thread_t * p_input,
- pgrm_descriptor_t * p_program )
-{
- if( p_input->stream.p_selected_program != p_program )
- {
- thread_dvd_data_t * p_dvd;
- vlc_value_t val;
-
- p_dvd = (thread_dvd_data_t*)(p_input->p_access_data);
- p_dvd->i_angle = p_program->i_number;
-
- memcpy( p_program, p_input->stream.p_selected_program,
- sizeof(pgrm_descriptor_t) );
- p_program->i_number = p_dvd->i_angle;
- p_input->stream.p_selected_program = p_program;
-
- msg_Dbg( p_input, "angle %d selected", p_dvd->i_angle );
-
- /* Update the navigation variables without triggering a callback */
- val.i_int = p_program->i_number;
- var_Change( p_input, "program", VLC_VAR_SETVALUE, &val, NULL );
- }
-
- return VLC_SUCCESS;
-}
-
-#define p_pgc p_dvd->p_cur_pgc
-
-/*****************************************************************************
- * DvdReadSetArea: initialize input data for title x, chapter y.
- * It should be called for each user navigation request.
- *****************************************************************************
- * Take care that i_title starts from 0 (vmg) and i_chapter start from 1.
- * Note that you have to take the lock before entering here.
- *****************************************************************************/
-static int DvdReadSetArea( input_thread_t * p_input, input_area_t * p_area )
-{
- thread_dvd_data_t * p_dvd;
- int pgc_id = 0;
- int pgn = 0;
- vlc_value_t val;
-
- p_dvd = (thread_dvd_data_t*)p_input->p_access_data;
-
- /* we can't use the interface slider until initilization is complete */
- p_input->stream.b_seekable = VLC_FALSE;
-
- if( p_area != p_input->stream.p_selected_area )
- {
- es_descriptor_t * p_es;
- unsigned int i_cell = 0;
- unsigned int i_audio_nb = 0;
- unsigned int i_spu_nb = 0;
- unsigned int i;
-
-#define p_vmg p_dvd->p_vmg_file
-#define p_vts p_dvd->p_vts_file
- if( p_dvd->p_title != NULL )
- {
- DVDCloseFile( p_dvd->p_title );
- }
-
- if( p_vts != NULL )
- {
- ifoClose( p_vts );
- }
-
- /* Reset the Chapter position of the old title */
- p_input->stream.p_selected_area->i_part = 1;
-
- /*
- * We have to load all title information
- */
- /* Change the default area */
- p_input->stream.p_selected_area = p_area;
-
- msg_Dbg( p_input, "open VTS %d, for title %d",
- p_vmg->tt_srpt->title[ p_area->i_id - 1 ].title_set_nr,
- p_area->i_id );
-
- /* ifo vts */
- if( ! ( p_vts = ifoOpen( p_dvd->p_dvdread,
- p_vmg->tt_srpt->title[ p_area->i_id - 1 ].title_set_nr ) ) )
- {
- msg_Err( p_input, "fatal error in vts ifo" );
- ifoClose( p_vmg );
- DVDClose( p_dvd->p_dvdread );
- return VLC_EGENERIC;
- }
-
- /* title position inside the selected vts */
- p_dvd->i_ttn = p_vmg->tt_srpt->title[ p_area->i_id - 1 ].vts_ttn;
-
- /*
- * Set selected title start
- */
- pgc_id = p_vts->vts_ptt_srpt->title[p_dvd->i_ttn-1].ptt[0].pgcn;
- pgn = p_vts->vts_ptt_srpt->title[p_dvd->i_ttn-1].ptt[0].pgn;
- p_pgc = p_vts->vts_pgcit->pgci_srp[ pgc_id - 1 ].pgc;
- i_cell = p_pgc->program_map[ pgn - 1 ] - 1;
-
- p_area->i_start =
- LB2OFF( p_dvd->p_cur_pgc->cell_playback[ i_cell ].first_sector );
-
- msg_Dbg( p_input, "start %d vts_title %d pgc %d pgn %d",
- p_area->i_id, p_dvd->i_ttn, pgc_id, pgn );
-
- /*
- * Find title end
- */
- i_cell = p_dvd->p_cur_pgc->nr_of_cells - 1;
-
- p_dvd->i_end_block = p_pgc->cell_playback[ i_cell ].last_sector;
- p_area->i_size = LB2OFF( p_dvd->i_end_block )- p_area->i_start;
-
- msg_Dbg( p_input, "start "I64Fd" size "I64Fd" end %d",
- p_area->i_start , p_area->i_size, p_dvd->i_end_block );
-
- /*
- * Set properties for current chapter
- */
- /* Remeber current chapter */
- p_dvd->i_chapter = p_area->i_part;
- p_dvd->b_eoc = VLC_FALSE;
-
- pgc_id = p_vts->vts_ptt_srpt->title[
- p_dvd->i_ttn-1].ptt[p_area->i_part-1].pgcn;
- pgn = p_vts->vts_ptt_srpt->title[
- p_dvd->i_ttn-1].ptt[p_area->i_part-1].pgn;
-
- p_pgc = p_vts->vts_pgcit->pgci_srp[pgc_id-1].pgc;
- p_dvd->i_pack_len = 0;
- p_dvd->i_next_cell = p_dvd->i_cur_cell = p_pgc->program_map[pgn-1] - 1;
- DvdReadFindCell( p_dvd );
-
- p_dvd->i_next_vobu = p_dvd->i_cur_block =
- p_pgc->cell_playback[p_dvd->i_cur_cell].first_sector;
-
- /*
- * Angle management
- */
- p_dvd->i_angle_nb = p_vmg->tt_srpt->title[p_area->i_id-1].nr_of_angles;
-
- if( p_dvd->i_angle > p_dvd->i_angle_nb )
- {
- p_dvd->i_angle = 1;
- }
-
- /*
- * We've got enough info, time to open the title set data.
- */
- if( ! ( p_dvd->p_title = DVDOpenFile( p_dvd->p_dvdread,
- p_vmg->tt_srpt->title[ p_area->i_id - 1 ].title_set_nr,
- DVD_READ_TITLE_VOBS ) ) )
- {
- msg_Err( p_input, "cannot open title (VTS_%02d_1.VOB)",
- p_vmg->tt_srpt->title[p_area->i_id-1].title_set_nr );
- ifoClose( p_vts );
- ifoClose( p_vmg );
- DVDClose( p_dvd->p_dvdread );
- return VLC_EGENERIC;
- }
-
-// IfoPrintTitle( p_dvd );
-
- /*
- * Destroy obsolete ES by reinitializing program 0
- * and find all ES in title with ifo data
- */
- if( p_input->stream.pp_programs != NULL )
- {
- /* We don't use input_EndStream here since
- * we keep area structures */
-
- while( p_input->stream.i_es_number )
- {
- input_DelES( p_input, p_input->stream.pp_es[0] );
- }
-
- while( p_input->stream.i_pgrm_number )
- {
- input_DelProgram( p_input, p_input->stream.pp_programs[0] );
- }
-
- if( p_input->stream.pp_selected_es )
- {
- free( p_input->stream.pp_selected_es );
- p_input->stream.pp_selected_es = NULL;
- }
- p_input->stream.i_selected_es_number = 0;
- }
-
- input_AddProgram( p_input, 1, sizeof( stream_ps_data_t ) );
- p_input->stream.p_selected_program = p_input->stream.pp_programs[0];
-
- for( i = 1 ; i < p_dvd->i_angle_nb ; i++ )
- {
- input_AddProgram( p_input, i+1, 0 );
- }
-
- DvdReadSetProgram( p_input,
- p_input->stream.pp_programs[p_dvd->i_angle-1] );
-
- /* No PSM to read in DVD mode, we already have all information */
- p_input->stream.p_selected_program->b_is_ok = VLC_TRUE;
-
- p_es = NULL;
-
- /* ES 0 -> video MPEG2 */
-// IfoPrintVideo( p_dvd );
-
- p_es = input_AddES( p_input, NULL, 0xe0, VIDEO_ES, NULL, 0 );
- p_es->i_stream_id = 0xe0;
- p_es->i_fourcc = VLC_FOURCC('m','p','g','v');
-
-#define audio_control \
- p_dvd->p_vts_file->vts_pgcit->pgci_srp[pgc_id-1].pgc->audio_control[i-1]
- /* Audio ES, in the order they appear in .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_dvd, i );
-
- /* audio channel is active if first byte is 0x80 */
- if( audio_control & 0x8000 )
- {
- i_audio_nb++;
- i_position = ( audio_control & 0x7F00 ) >> 8;
-
- msg_Dbg( p_input, "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 ) << 8 ) | 0xbd;
- p_es = input_AddES( p_input, NULL, i_id, AUDIO_ES,
- DecodeLanguage(
- p_vts->vtsi_mat->vts_audio_attr[i-1].lang_code ), 0 );
- p_es->i_stream_id = 0xbd;
- p_es->i_fourcc = VLC_FOURCC('a','5','2','b');
-
- break;
- case 0x02:
- case 0x03: /* MPEG audio */
- i_id = 0xc0 + i_position;
- p_es = input_AddES( p_input, NULL, i_id, AUDIO_ES,
- DecodeLanguage(
- p_vts->vtsi_mat->vts_audio_attr[i-1].lang_code ), 0 );
- p_es->i_stream_id = i_id;
- p_es->i_fourcc = VLC_FOURCC('m','p','g','a');
-
- break;
- case 0x04: /* LPCM */
-
- i_id = ( ( 0xa0 + i_position ) << 8 ) | 0xbd;
- p_es = input_AddES( p_input, NULL, i_id, AUDIO_ES,
- DecodeLanguage(
- p_vts->vtsi_mat->vts_audio_attr[i-1].lang_code ), 0 );
- p_es->i_stream_id = i_id;
- p_es->i_fourcc = VLC_FOURCC('l','p','c','b');
-
- break;
- case 0x06: /* DTS */
- i_id = ( ( 0x88 + i_position ) << 8 ) | 0xbd;
- msg_Err( p_input, "DTS audio not handled yet"
- "(0x%x)", i_id );
- break;
- default:
- i_id = 0;
- msg_Err( p_input, "unknown audio type %.2x",
- p_vts->vtsi_mat->vts_audio_attr[i-1].audio_format );
- }
- }
- }
-#undef audio_control
-#define spu_control \
- p_dvd->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_dvd, i );
- msg_Dbg( p_input, "spu %d 0x%02x", i, spu_control );
-
- if( spu_control & 0x80000000 )
- {
- i_spu_nb++;
-
- /* 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:
- i_position = spu_control & 0xff;
- break;
- case 2:
- i_position = ( spu_control >> 8 ) & 0xff;
- break;
- default:
- i_position = ( spu_control >> 16 ) & 0xff;
- break;
- }
- }
- else
- {
- /* 4:3 */
- i_position = ( spu_control >> 24 ) & 0x7F;
- }
-
- i_id = ( ( 0x20 + i_position ) << 8 ) | 0xbd;
- p_es = input_AddES( p_input, NULL, i_id, SPU_ES,
- DecodeLanguage(
- p_vts->vtsi_mat->vts_subp_attr[i-1].lang_code ), 0 );
- p_es->i_stream_id = 0xbd;
- p_es->i_fourcc = VLC_FOURCC('s','p','u','b');
- }
- }
-#undef spu_control
-
- /* FIXME: hack to check that the demuxer is ready, and set
- * the decoders */
- if( p_input->p_demux )
- {
- DvdReadLauchDecoders( p_input );
- }
-
- /* Update the navigation variables without triggering a callback */
- val.i_int = p_area->i_id;
- var_Change( p_input, "title", VLC_VAR_SETVALUE, &val, NULL );
- var_Change( p_input, "chapter", VLC_VAR_CLEARCHOICES, NULL, NULL );
- for( i = 1; i <= p_area->i_part_nb; i++ )
- {
- val.i_int = i;
- var_Change( p_input, "chapter", VLC_VAR_ADDCHOICE, &val, NULL );
- }
-
- } /* i_title >= 0 */
- else
- {
- p_area = p_input->stream.p_selected_area;
- }
-
- /*
- * Chapter selection
- */
-
- if( p_area->i_part != p_dvd->i_chapter )
- {
- if( ( p_area->i_part > 0 ) &&
- ( p_area->i_part <= p_area->i_part_nb ))
- {
- p_dvd->i_ttn = p_vmg->tt_srpt->title[p_area->i_id-1].vts_ttn;
- pgc_id = p_vts->vts_ptt_srpt->title[
- p_dvd->i_ttn-1].ptt[p_area->i_part-1].pgcn;
- pgn = p_vts->vts_ptt_srpt->title[
- p_dvd->i_ttn-1].ptt[p_area->i_part-1].pgn;
-
- p_pgc = p_vts->vts_pgcit->pgci_srp[ pgc_id - 1 ].pgc;
-
- p_dvd->i_cur_cell = p_pgc->program_map[ pgn - 1 ] - 1;
- p_dvd->i_chapter = p_area->i_part;
- DvdReadFindCell( p_dvd );
-
- p_dvd->i_pack_len = 0;
- p_dvd->i_next_vobu = p_dvd->i_cur_block =
- p_pgc->cell_playback[p_dvd->i_cur_cell].first_sector;
- }
- else
- {
- p_area->i_part = p_dvd->i_chapter;
- }
- }
-#undef p_vts
-#undef p_vmg
-
- /* warn interface that something has changed */
- p_area->i_tell = LB2OFF( p_dvd->i_next_vobu ) - p_area->i_start;
- p_input->stream.b_seekable = VLC_TRUE;
- p_input->stream.b_changed = VLC_TRUE;
-
- /* Update the navigation variables without triggering a callback */
- val.i_int = p_area->i_part;
- var_Change( p_input, "chapter", VLC_VAR_SETVALUE, &val, NULL );
-
- return VLC_SUCCESS;
-}
-
-
-/*****************************************************************************
- * DvdReadRead: reads data packets.
- *****************************************************************************
- * Returns -1 in case of error, 0 in case of EOF, otherwise the number of
- * bytes.
- *****************************************************************************/
-static ssize_t DvdReadRead( input_thread_t * p_input,
- byte_t * p_buffer, size_t i_count )
-{
- thread_dvd_data_t * p_dvd;
- byte_t * p_buf;
- unsigned int i_blocks_once;
- unsigned int i_blocks;
- int i_read;
- int i_read_total;
- vlc_bool_t b_eot = VLC_FALSE;
-
- p_dvd = (thread_dvd_data_t *)p_input->p_access_data;
- p_buf = p_buffer;
-
- /*
- * Playback by cell in this pgc, starting at the cell for our chapter.
- */
- i_blocks = OFF2LB( i_count );
- i_read_total = 0;
- i_read = 0;
-
- while( i_blocks )
- {
- /*
- * End of pack, we select the following one
- */
- if( ! p_dvd->i_pack_len )
- {
- /*
- * Read NAV packet.
- */
- if( ( i_read = DVDReadBlocks( p_dvd->p_title, p_dvd->i_next_vobu,
- 1, p_buf ) ) != 1 )
- {
- msg_Err( p_input, "read failed for block %d",
- p_dvd->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_dvd, p_buf );
-
- /* End of title */
- if( p_dvd->i_next_vobu >= p_dvd->i_end_block + 1 )
- {
- b_eot = 1;
- break;
- }
-
- assert( p_dvd->i_pack_len < 1024 );
- /* FIXME: Ugly kludge: we send the pack block to the input for it
- * sometimes has a zero scr and restart the sync */
- p_dvd->i_cur_block ++;
- //p_dvd->i_pack_len++;
-
- i_read_total++;
- p_buf += DVD_VIDEO_LB_LEN;
- i_blocks--;
- }
-
- /*
- * Compute the number of blocks to read
- */
- i_blocks_once = __MIN( p_dvd->i_pack_len, i_blocks );
- p_dvd->i_pack_len -= i_blocks_once;
-
- /* Reads from DVD */
- i_read = DVDReadBlocks( p_dvd->p_title, p_dvd->i_cur_block,
- i_blocks_once, p_buf );
- if( (unsigned int)i_read != i_blocks_once )
- {
- msg_Err( p_input, "read failed for %d/%d blocks at 0x%02x",
- i_read, i_blocks_once, p_dvd->i_cur_block );
- return -1;
- }
-
- i_blocks -= i_read;
- i_read_total += i_read;
- p_dvd->i_cur_block += i_read;
- p_buf += LB2OFF( i_read );
-
- }
-/*
- msg_Dbg( p_input, "i_blocks: %d len: %d current: 0x%02x", i_read, p_dvd->i_pack_len, p_dvd->i_cur_block );
-*/
-
- vlc_mutex_lock( &p_input->stream.stream_lock );
-
- if( p_dvd->b_eoc )
- {
- /* We modify i_part only at end of chapter not to erase
- * some modification from the interface */
- p_input->stream.p_selected_area->i_part = p_dvd->i_chapter;
- p_dvd->b_eoc = VLC_FALSE;
- }
-
- if( ( LB2OFF( p_dvd->i_cur_block )
- - p_input->stream.p_selected_area->i_start )
- >= p_input->stream.p_selected_area->i_size || b_eot )
- {
- if( ( p_input->stream.p_selected_area->i_id + 1 ) >=
- p_input->stream.i_area_nb )
- {
- /* EOF */
- vlc_mutex_unlock( &p_input->stream.stream_lock );
- return 0;
- }
-
- /* EOT */
- msg_Dbg( p_input, "new title" );
- DvdReadSetArea( p_input, p_input->stream.pp_areas[
- p_input->stream.p_selected_area->i_id+1] );
- }
-
- vlc_mutex_unlock( &p_input->stream.stream_lock );
-
- return LB2OFF( i_read_total );
-}
-#undef p_pgc
-
-/*****************************************************************************
- * 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.
- * The lock should be taken before calling this function.
- *****************************************************************************/
-static void DvdReadSeek( input_thread_t * p_input, off_t i_off )
-{
- thread_dvd_data_t * p_dvd;
- unsigned int i_lb;
- unsigned int i_tmp;
- unsigned int i_chapter = 0;
- unsigned int i_cell = 0;
- unsigned int i_vobu = 0;
- unsigned int i_sub_cell = 0;
-
- vlc_mutex_lock( &p_input->stream.stream_lock );
- i_off += p_input->stream.p_selected_area->i_start;
- vlc_mutex_unlock( &p_input->stream.stream_lock );
-
- i_lb = OFF2LB( i_off );
- p_dvd = ( thread_dvd_data_t * )p_input->p_access_data;
-
- /* find cell */
- while( p_dvd->p_cur_pgc->cell_playback[i_cell].last_sector < i_lb )
- {
- i_cell++;
- }
-
- /* find chapter */
- do
- {
- pgc_t * p_pgc;
- int pgc_id, pgn;
-
- i_chapter++;
- pgc_id = p_dvd->p_vts_file->vts_ptt_srpt->title[
- p_dvd->i_ttn-1].ptt[i_chapter-1].pgcn;
- pgn = p_dvd->p_vts_file->vts_ptt_srpt->title[
- p_dvd->i_ttn-1].ptt[i_chapter-1].pgn;
-
- p_pgc = p_dvd->p_vts_file->vts_pgcit->pgci_srp[pgc_id-1].pgc;
- i_tmp = p_pgc->program_map[pgn-1];
-
- } while( i_tmp <= i_cell );
-
- /* find vobu */
- while( p_dvd->p_vts_file->vts_vobu_admap->vobu_start_sectors[i_vobu]
- <= i_lb )
- {
- i_vobu++;
- }
-
- /* find sub_cell */
- while( p_dvd->p_vts_file->vts_c_adt->cell_adr_table[i_sub_cell].start_sector <
- p_dvd->p_vts_file->vts_vobu_admap->vobu_start_sectors[i_vobu-1] )
- {
- i_sub_cell++;
- }
-
-/*
- msg_Dbg( p_input, "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_dvd->p_cur_pgc->cell_playback[i_cell].first_sector,
- p_dvd->p_vts_file->vts_vobu_admap->vobu_start_sectors[i_vobu],
- p_dvd->p_vts_file->vts_c_adt->cell_adr_table[i_sub_cell-1].start_sector);
-*/
- p_dvd->i_cur_block = i_lb;
- p_dvd->i_next_vobu =
- p_dvd->p_vts_file->vts_vobu_admap->vobu_start_sectors[i_vobu];
- p_dvd->i_pack_len = p_dvd->i_next_vobu - i_lb;
- p_dvd->i_cur_cell = i_cell;
- p_dvd->i_chapter = i_chapter;
- DvdReadFindCell( p_dvd );
-
- vlc_mutex_lock( &p_input->stream.stream_lock );
- p_input->stream.p_selected_area->i_tell =
- LB2OFF ( p_dvd->i_cur_block )
- - p_input->stream.p_selected_area->i_start;
- p_input->stream.p_selected_area->i_part = p_dvd->i_chapter;
- vlc_mutex_unlock( &p_input->stream.stream_lock );
-
- return;
-}
-
-/*****************************************************************************
- * DvdReadHandleDSI
- *****************************************************************************/
-static void DvdReadHandleDSI( thread_dvd_data_t * p_dvd, uint8_t * p_data )
-{
- navRead_DSI( &(p_dvd->dsi_pack), &(p_data[ DSI_START_BYTE ]) );
-
- /*
- * Determine where we go next. These values are the ones we mostly
- * care about.
- */
- p_dvd->i_cur_block = p_dvd->dsi_pack.dsi_gi.nv_pck_lbn;
-
- /*
- * 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.
- */
- if( p_dvd->dsi_pack.vobu_sri.next_vobu != SRI_END_OF_CELL )
- {
-#if 1
- switch( ( p_dvd->dsi_pack.sml_pbi.category & 0xf000 ) >> 12 )
- {
- case 0x4:
- /* interleaved unit with no angle */
- if( p_dvd->dsi_pack.sml_pbi.ilvu_sa != 0 )
- {
- p_dvd->i_next_vobu = p_dvd->i_cur_block +
- p_dvd->dsi_pack.sml_pbi.ilvu_sa;
- p_dvd->i_pack_len = p_dvd->dsi_pack.sml_pbi.ilvu_ea;
- }
- else
- {
- p_dvd->i_next_vobu = p_dvd->i_cur_block +
- p_dvd->dsi_pack.dsi_gi.vobu_ea + 1;
- p_dvd->i_pack_len = p_dvd->dsi_pack.dsi_gi.vobu_ea;
- }
- break;
- case 0x5:
- /* vobu is end of ilvu */
- if( p_dvd->dsi_pack.sml_agli.data[p_dvd->i_angle-1].address )
- {
- p_dvd->i_next_vobu = p_dvd->i_cur_block +
- p_dvd->dsi_pack.sml_agli.data[p_dvd->i_angle-1].address;
- p_dvd->i_pack_len = p_dvd->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_dvd->i_next_vobu = p_dvd->i_cur_block +
- ( p_dvd->dsi_pack.vobu_sri.next_vobu & 0x7fffffff );
- p_dvd->i_pack_len = p_dvd->dsi_pack.dsi_gi.vobu_ea;
- break;
- }
-#else
- p_dvd->i_next_vobu = p_dvd->i_cur_block +
- ( p_dvd->dsi_pack.vobu_sri.next_vobu & 0x7fffffff );
- p_dvd->i_pack_len = p_dvd->dsi_pack.dsi_gi.vobu_ea;
-#endif
- }
- else
- {
- p_dvd->i_cur_cell = p_dvd->i_next_cell;
- DvdReadFindCell( p_dvd );
-
- p_dvd->i_pack_len = p_dvd->dsi_pack.dsi_gi.vobu_ea;
- p_dvd->i_next_vobu =
- p_dvd->p_cur_pgc->cell_playback[p_dvd->i_cur_cell].first_sector;
- }
-
-#if 0
- msg_Dbg( p_input, 12, "scr %d lbn 0x%02x vobu_ea %d vob_id %d c_id %d",
- p_dvd->dsi_pack.dsi_gi.nv_pck_scr,
- p_dvd->dsi_pack.dsi_gi.nv_pck_lbn,
- p_dvd->dsi_pack.dsi_gi.vobu_ea,
- p_dvd->dsi_pack.dsi_gi.vobu_vob_idn,
- p_dvd->dsi_pack.dsi_gi.vobu_c_idn );
-
- msg_Dbg( p_input, 12, "cat 0x%02x ilvu_ea %d ilvu_sa %d size %d",
- p_dvd->dsi_pack.sml_pbi.category,
- p_dvd->dsi_pack.sml_pbi.ilvu_ea,
- p_dvd->dsi_pack.sml_pbi.ilvu_sa,
- p_dvd->dsi_pack.sml_pbi.size );
-
- msg_Dbg( p_input, 12, "next_vobu %d next_ilvu1 %d next_ilvu2 %d",
- p_dvd->dsi_pack.vobu_sri.next_vobu & 0x7fffffff,
- p_dvd->dsi_pack.sml_agli.data[ p_dvd->i_angle - 1 ].address,
- p_dvd->dsi_pack.sml_agli.data[ p_dvd->i_angle ].address);
-#endif
-}
-
-/*****************************************************************************
- * DvdReadFindCell
- *****************************************************************************/
-static void DvdReadFindCell( thread_dvd_data_t * p_dvd )
-{
- int pgc_id, pgn;
- int i = 0;
- pgc_t * p_pgc;
-#define cell p_dvd->p_cur_pgc->cell_playback
- if( cell[p_dvd->i_cur_cell].block_type == BLOCK_TYPE_ANGLE_BLOCK )
- {
-#if 0
- p_dvd->i_next_cell = p_dvd->i_cur_cell + p_dvd->i_angle_nb;
- p_dvd->i_cur_cell += p_dvd->i_angle - 1;
-#else
- p_dvd->i_cur_cell += p_dvd->i_angle - 1;
-
- while( cell[p_dvd->i_cur_cell+i].block_mode != BLOCK_MODE_LAST_CELL )
- {
- i++;
- }
- p_dvd->i_next_cell = p_dvd->i_cur_cell + i + 1;
-#endif
- }
- else
- {
- p_dvd->i_next_cell = p_dvd->i_cur_cell + 1;
- }
-#undef cell
- pgc_id = p_dvd->p_vts_file->vts_ptt_srpt->title[
- p_dvd->i_ttn-1].ptt[p_dvd->i_chapter-1].pgcn;
- pgn = p_dvd->p_vts_file->vts_ptt_srpt->title[
- p_dvd->i_ttn-1].ptt[p_dvd->i_chapter-1].pgn;
- p_pgc = p_dvd->p_vts_file->vts_pgcit->pgci_srp[pgc_id-1].pgc;
-
- if( p_pgc->program_map[pgn-1] <= p_dvd->i_cur_cell )
- {
- p_dvd->i_chapter++;
- p_dvd->b_eoc = VLC_TRUE;
- }
-}
-
-/*****************************************************************************
- * DvdReadLaunchDecoders
- *****************************************************************************/
-static void DvdReadLauchDecoders( input_thread_t * p_input )
-{
- thread_dvd_data_t * p_dvd = (thread_dvd_data_t*)(p_input->p_access_data);
- int i_audio, i_spu;
-
- input_SelectES( p_input, p_input->stream.pp_es[0] );
-
- /* For audio: first one if none or a not existing one specified */
- i_audio = config_GetInt( p_input, "audio-channel" );
- if( i_audio < 0 /*|| i_audio > i_audio_nb*/ )
- {
- config_PutInt( p_input, "audio-channel", 1 );
- i_audio = 1;
- }
- if( i_audio > 0/* && i_audio_nb > 0*/ )
- {
- if( config_GetInt( p_input, "audio-type" ) == REQUESTED_A52 )
- {
- int i_a52 = i_audio;
- while( ( p_input->stream.pp_es[i_a52]->i_fourcc !=
- VLC_FOURCC('a','5','2','b') ) && ( i_a52 <=
- p_dvd->p_vts_file->vtsi_mat->nr_of_vts_audio_streams ) )
- {
- i_a52++;
- }
- if( p_input->stream.pp_es[i_a52]->i_fourcc
- == VLC_FOURCC('a','5','2','b') )
- {
- input_SelectES( p_input, p_input->stream.pp_es[i_a52] );
- }
- }
- else
- {
- input_SelectES( p_input, p_input->stream.pp_es[i_audio] );
- }
- }
-
- /* for spu, default is none */
- i_spu = config_GetInt( p_input, "spu-channel" );
- if( i_spu < 0 /*|| i_spu > i_spu_nb*/ )
- {
- config_PutInt( p_input, "spu-channel", 0 );
- i_spu = 0;
- }
- if( i_spu > 0 /*&& i_spu_nb > 0*/ )
- {
- i_spu += p_dvd->p_vts_file->vtsi_mat->nr_of_vts_audio_streams;
- input_SelectES( p_input, p_input->stream.pp_es[i_spu] );
- }
-}