* -dvd_udf to find files
*****************************************************************************
* Copyright (C) 1998-2001 VideoLAN
- * $Id: input_dvd.c,v 1.11 2001/02/14 15:58:29 henri Exp $
+ * $Id: input_dvd.c,v 1.29 2001/03/05 00:40:06 stef Exp $
*
* Author: Stéphane Borel <stef@via.ecp.fr>
*
*****************************************************************************/
#include "defs.h"
+#ifdef HAVE_CSS
+#define MODULE_NAME dvd-css
+#else /* HAVE_CSS */
+#define MODULE_NAME dvd-nocss
+#endif /* HAVE_CSS */
+#include "modules_inner.h"
+
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include "input_ext-dec.h"
#include "input.h"
-#include "input_netlist.h"
+#include "dvd_netlist.h"
#include "dvd_ifo.h"
#include "dvd_css.h"
#include "input_dvd.h"
#include "modules.h"
+/*****************************************************************************
+ * Local tables
+ *****************************************************************************/
+static struct
+{
+ char p_code[3];
+ char p_lang_long[20];
+}
+
+lang_tbl[] =
+{
+ /* The ISO 639 language codes.
+ * Language names with * prefix are not spelled in their own language
+ */
+ { " ", "Not Specified" },
+ { "aa", "*Afar" },
+ { "ab", "*Abkhazian" },
+ { "af", "*Afrikaans" },
+ { "am", "*Amharic" },
+ { "ar", "*Arabic" },
+ { "as", "*Assamese" },
+ { "ay", "*Aymara" },
+ { "az", "*Azerbaijani" },
+ { "ba", "*Bashkir" },
+ { "be", "*Byelorussian" },
+ { "bg", "*Bulgarian" },
+ { "bh", "*Bihari" },
+ { "bi", "*Bislama" },
+ { "bn", "*Bengali; Bangla" },
+ { "bo", "*Tibetan" },
+ { "br", "*Breton" },
+ { "ca", "*Catalan" },
+ { "co", "*Corsican" },
+ { "cs", "*Czech(Ceske)" },
+ { "cy", "*Welsh" },
+ { "da", "Dansk" },
+ { "de", "Deutsch" },
+ { "dz", "*Bhutani" },
+ { "el", "*Greek" },
+ { "en", "English" },
+ { "eo", "*Esperanto" },
+ { "es", "Espanol" },
+ { "et", "*Estonian" },
+ { "eu", "*Basque" },
+ { "fa", "*Persian" },
+ { "fi", "Suomi" },
+ { "fj", "*Fiji" },
+ { "fo", "*Faroese" },
+ { "fr", "Francais" },
+ { "fy", "*Frisian" },
+ { "ga", "*Irish" },
+ { "gd", "*Scots Gaelic" },
+ { "gl", "*Galician" },
+ { "gn", "*Guarani" },
+ { "gu", "*Gujarati" },
+ { "ha", "*Hausa" },
+ { "he", "*Hebrew" }, /* formerly iw */
+ { "hi", "*Hindi" },
+ { "hr", "Hrvatski" }, /* Croatian */
+ { "hu", "Magyar" },
+ { "hy", "*Armenian" },
+ { "ia", "*Interlingua" },
+ { "id", "*Indonesian" }, /* formerly in */
+ { "ie", "*Interlingue" },
+ { "ik", "*Inupiak" },
+ { "in", "*Indonesian" }, /* replaced by id */
+ { "is", "Islenska" },
+ { "it", "Italiano" },
+ { "iu", "*Inuktitut" },
+ { "iw", "*Hebrew" }, /* replaced by he */
+ { "ja", "*Japanese" },
+ { "ji", "*Yiddish" }, /* replaced by yi */
+ { "jw", "*Javanese" },
+ { "ka", "*Georgian" },
+ { "kk", "*Kazakh" },
+ { "kl", "*Greenlandic" },
+ { "km", "*Cambodian" },
+ { "kn", "*Kannada" },
+ { "ko", "*Korean" },
+ { "ks", "*Kashmiri" },
+ { "ku", "*Kurdish" },
+ { "ky", "*Kirghiz" },
+ { "la", "*Latin" },
+ { "ln", "*Lingala" },
+ { "lo", "*Laothian" },
+ { "lt", "*Lithuanian" },
+ { "lv", "*Latvian, Lettish" },
+ { "mg", "*Malagasy" },
+ { "mi", "*Maori" },
+ { "mk", "*Macedonian" },
+ { "ml", "*Malayalam" },
+ { "mn", "*Mongolian" },
+ { "mo", "*Moldavian" },
+ { "mr", "*Marathi" },
+ { "ms", "*Malay" },
+ { "mt", "*Maltese" },
+ { "my", "*Burmese" },
+ { "na", "*Nauru" },
+ { "ne", "*Nepali" },
+ { "nl", "Nederlands" },
+ { "no", "Norsk" },
+ { "oc", "*Occitan" },
+ { "om", "*(Afan) Oromo" },
+ { "or", "*Oriya" },
+ { "pa", "*Punjabi" },
+ { "pl", "*Polish" },
+ { "ps", "*Pashto, Pushto" },
+ { "pt", "Portugues" },
+ { "qu", "*Quechua" },
+ { "rm", "*Rhaeto-Romance" },
+ { "rn", "*Kirundi" },
+ { "ro", "*Romanian" },
+ { "ru", "*Russian" },
+ { "rw", "*Kinyarwanda" },
+ { "sa", "*Sanskrit" },
+ { "sd", "*Sindhi" },
+ { "sg", "*Sangho" },
+ { "sh", "*Serbo-Croatian" },
+ { "si", "*Sinhalese" },
+ { "sk", "*Slovak" },
+ { "sl", "*Slovenian" },
+ { "sm", "*Samoan" },
+ { "sn", "*Shona" },
+ { "so", "*Somali" },
+ { "sq", "*Albanian" },
+ { "sr", "*Serbian" },
+ { "ss", "*Siswati" },
+ { "st", "*Sesotho" },
+ { "su", "*Sundanese" },
+ { "sv", "Svenska" },
+ { "sw", "*Swahili" },
+ { "ta", "*Tamil" },
+ { "te", "*Telugu" },
+ { "tg", "*Tajik" },
+ { "th", "*Thai" },
+ { "ti", "*Tigrinya" },
+ { "tk", "*Turkmen" },
+ { "tl", "*Tagalog" },
+ { "tn", "*Setswana" },
+ { "to", "*Tonga" },
+ { "tr", "*Turkish" },
+ { "ts", "*Tsonga" },
+ { "tt", "*Tatar" },
+ { "tw", "*Twi" },
+ { "ug", "*Uighur" },
+ { "uk", "*Ukrainian" },
+ { "ur", "*Urdu" },
+ { "uz", "*Uzbek" },
+ { "vi", "*Vietnamese" },
+ { "vo", "*Volapuk" },
+ { "wo", "*Wolof" },
+ { "xh", "*Xhosa" },
+ { "yi", "*Yiddish" }, /* formerly ji */
+ { "yo", "*Yoruba" },
+ { "za", "*Zhuang" },
+ { "zh", "*Chinese" },
+ { "zu", "*Zulu" },
+ { "\0", "" }
+};
+
/*****************************************************************************
* Local prototypes
*****************************************************************************/
static void DVDInit ( struct input_thread_s * );
static void DVDEnd ( struct input_thread_s * );
static void DVDSeek ( struct input_thread_s *, off_t );
+static int DVDSetArea ( struct input_thread_s *, int, int, int, int );
static int DVDRewind ( struct input_thread_s * );
/*****************************************************************************
* Functions exported as capabilities. They are declared as static so that
* we don't pollute the namespace too much.
*****************************************************************************/
-void input_getfunctions( function_list_t * p_function_list )
+void _M( input_getfunctions )( function_list_t * p_function_list )
{
#define input p_function_list->functions.input
p_function_list->pf_probe = DVDProbe;
input.pf_close = input_FileClose;
input.pf_end = DVDEnd;
input.pf_read = DVDRead;
+ input.pf_set_area = DVDSetArea;
input.pf_demux = input_DemuxPS;
- input.pf_new_packet = input_NetlistNewPacket;
- input.pf_new_pes = input_NetlistNewPES;
- input.pf_delete_packet = input_NetlistDeletePacket;
- input.pf_delete_pes = input_NetlistDeletePES;
+ input.pf_new_packet = DVDNewPacket;
+ input.pf_new_pes = DVDNewPES;
+ input.pf_delete_packet = DVDDeletePacket;
+ input.pf_delete_pes = DVDDeletePES;
input.pf_rewind = DVDRewind;
input.pf_seek = DVDSeek;
#undef input
}
+/*
+ * Local tools to decode some data in ifo
+ */
+
+/*****************************************************************************
+ * Language: gives the long language name from the two-letters ISO-639 code
+ *****************************************************************************/
+static char * Language( u16 i_code )
+{
+ int i = 0;
+
+ while( memcmp( lang_tbl[i].p_code, &i_code, 2 ) &&
+ lang_tbl[i].p_lang_long[0] )
+ {
+ i++;
+ }
+
+ return lang_tbl[i].p_lang_long;
+}
+
/*
* Data reading functions
*/
*****************************************************************************/
static int DVDProbe( probedata_t *p_data )
{
+ input_thread_t * p_input = (input_thread_t *)p_data;
+
+ char * psz_name = p_input->p_source;
+ int i_handle;
+ int i_score = 5;
+
if( TestMethod( INPUT_METHOD_VAR, "dvd" ) )
{
+#ifdef HAVE_CSS
return( 999 );
+#else /* HAVE_CSS */
+ return( 998 );
+#endif /* HAVE_CSS */
}
- return 5;
+ if( ( strlen(psz_name) > 4 ) && !strncasecmp( psz_name, "dvd:", 4 ) )
+ {
+ /* If the user specified "dvd:" then it's probably a DVD */
+#ifdef HAVE_CSS
+ i_score = 100;
+#else /* HAVE_CSS */
+ i_score = 90;
+#endif /* HAVE_CSS */
+ psz_name += 4;
+ }
+
+ i_handle = open( psz_name, 0 );
+ if( i_handle == -1 )
+ {
+ return( 0 );
+ }
+ close( i_handle );
+
+ return( i_score );
}
/*****************************************************************************
*****************************************************************************/
static int DVDCheckCSS( input_thread_t * p_input )
{
-#if defined( HAVE_SYS_DVDIO_H ) || defined( LINUX_DVD )
return CSSTest( p_input->i_handle );
-#else
- /* DVD ioctls unavailable.
- * FIXME: Check the stream to see whether it is encrypted or not
- * to give and accurate error message */
+}
+
+
+/*****************************************************************************
+ * DVDFindSector: find cell index in adress map from index in
+ * information table program map and give corresponding sectors.
+ *****************************************************************************/
+static int DVDFindSector( thread_dvd_data_t * p_dvd )
+{
+ pgc_t * p_pgc;
+ int i_cell;
+ int i_index;
+
+ p_pgc = &p_dvd->ifo.vts.pgci_ti.p_srp[p_dvd->i_vts_title-1].pgc;
+
+ i_index = p_dvd->i_prg_cell - 1;
+
+ do {
+ if( i_index++ > p_dvd->i_prg_cell )
+ {
+ return -1;
+ }
+
+ i_cell = p_dvd->i_cell + 1;
+
+ while( ( ( p_pgc->p_cell_pos_inf[i_index].i_vob_id !=
+ p_dvd->ifo.vts.c_adt.p_cell_inf[i_cell].i_vob_id ) ||
+ ( p_pgc->p_cell_pos_inf[i_index].i_cell_id !=
+ p_dvd->ifo.vts.c_adt.p_cell_inf[i_cell].i_cell_id ) ) &&
+ ( i_cell < ( p_dvd->ifo.vts.c_adt.i_cell_nb ) ) )
+ {
+ i_cell++;
+ }
+
+ } while( i_cell == ( p_dvd->ifo.vts.c_adt.i_cell_nb ) );
+
+ p_dvd->i_cell = i_cell;
+ p_dvd->i_prg_cell = i_index;
+
+ /* Find start and end sectors of new cell */
+ p_dvd->i_sector = MAX(
+ p_dvd->ifo.vts.c_adt.p_cell_inf[i_cell].i_ssector,
+ p_pgc->p_cell_play_inf[i_index].i_entry_sector );
+ p_dvd->i_end_sector = MIN(
+ p_dvd->ifo.vts.c_adt.p_cell_inf[i_cell].i_esector,
+ p_pgc->p_cell_play_inf[i_index].i_lsector );
+
+//intf_WarnMsg( 3, "cell: %d index: %d sector1: %x sector2: %x end1: %x end2: %x", i_cell, i_index, p_dvd->ifo.vts.c_adt.p_cell_inf[i_cell].i_ssector, p_pgc->p_cell_play_inf[i_index].i_entry_sector, p_dvd->ifo.vts.c_adt.p_cell_inf[i_cell].i_esector,p_pgc->p_cell_play_inf[i_index].i_lsector );
+
return 0;
-#endif
}
/*****************************************************************************
- * DVDInit: initializes DVD structures
+ * DVDChapterSelect: find the cell corresponding to requested chapter
+ * When called to find chapter 1, also sets title size and end.
*****************************************************************************/
-static void DVDInit( input_thread_t * p_input )
+static int DVDChapterSelect( thread_dvd_data_t * p_dvd, int i_chapter )
{
- thread_dvd_data_t * p_method;
- off_t i_start;
- off_t i_size;
- int i_cell, i_cell_1, i_start_cell, i_end_cell;
+ pgc_t * p_pgc;
- if( (p_method = malloc( sizeof(thread_dvd_data_t) )) == NULL )
- {
- intf_ErrMsg( "Out of memory" );
- p_input->b_error = 1;
- return;
- }
+ p_pgc = &p_dvd->ifo.vts.pgci_ti.p_srp[p_dvd->i_vts_title-1].pgc;
- p_input->p_plugin_data = (void *)p_method;
- p_input->p_method_data = NULL;
+ /* Find cell index in Program chain for current chapter */
+ p_dvd->i_prg_cell = p_pgc->prg_map.pi_entry_cell[i_chapter-1] - 1;
+ p_dvd->i_cell = -1;
- p_method->i_fd = p_input->i_handle;
- /* FIXME: read several packets once */
- p_method->i_read_once = 1;
- p_method->i_title = 0;
- p_method->b_encrypted = DVDCheckCSS( p_input );
+ /* Search for cell_index in cell adress_table */
+ DVDFindSector( p_dvd );
- lseek( p_input->i_handle, 0, SEEK_SET );
+ /* initialize navigation parameters */
+ p_dvd->i_sector = p_dvd->ifo.vts.c_adt.p_cell_inf[p_dvd->i_cell].i_ssector;
+ p_dvd->i_end_sector =
+ p_dvd->ifo.vts.c_adt.p_cell_inf[p_dvd->i_cell].i_esector;
- /* Reading structures initialisation */
- input_NetlistInit( p_input, 4096, 4096, DVD_LB_SIZE,
- p_method->i_read_once );
+ /* start is : beginning of vts vobs + offset to vob x */
+ p_dvd->i_start = p_dvd->i_title_start +
+ DVD_LB_SIZE * (off_t)( p_dvd->i_sector );
- /* Ifo initialisation */
- p_method->ifo = IfoInit( p_input->i_handle );
+ /* Position the fd pointer on the right address */
+ p_dvd->i_start = lseek( p_dvd->i_fd, p_dvd->i_start, SEEK_SET );
- /* CSS initialisation */
- if( p_method->b_encrypted )
- {
+ p_dvd->i_chapter = i_chapter;
-#if defined( HAVE_SYS_DVDIO_H ) || defined( LINUX_DVD )
- p_method->css = CSSInit( p_input->i_handle );
+ return 0;
+}
- if( ( p_input->b_error = p_method->css.b_error ) )
- {
- intf_ErrMsg( "CSS fatal error" );
- return;
- }
-#else
- intf_ErrMsg( "Unscrambling not supported" );
- p_input->b_error = 1;
- return;
-#endif
- }
+/*****************************************************************************
+ * DVDSetArea: initialize input data for title x, chapter y.
+ * It should be called for each user navigation request, and to change
+ * audio or sub-picture streams.
+ * ---
+ * Take care that i_title starts from 0 (vmg) and i_chapter start from 1.
+ * i_audio, i_spu start from 1 ; 0 means off.
+ * A negative value for an argument means it does not change
+ *****************************************************************************/
+static int DVDSetArea( input_thread_t * p_input,
+ int i_title, int i_chapter,
+ int i_audio, int i_spu )
+{
+ thread_dvd_data_t * p_dvd;
+ es_descriptor_t * p_es;
+ int i_index;
+ int i_nb;
+ u16 i_id;
+ u8 i_ac3;
+ u8 i_mpeg;
+ u8 i_sub_pic;
+ u8 i;
+ boolean_t b_last;
+
+ p_dvd = (thread_dvd_data_t*)p_input->p_plugin_data;
- /* Ifo structures reading */
- IfoRead( &(p_method->ifo) );
- intf_WarnMsg( 3, "Ifo: Initialized" );
+ vlc_mutex_lock( &p_input->stream.stream_lock );
- /* CSS title keys */
- if( p_method->b_encrypted )
+ if( i_title >= 0 )
{
-#if defined( HAVE_SYS_DVDIO_H ) || defined( LINUX_DVD )
- int i;
+ /*
+ * We have to load all title information
+ */
+
+ /* Change the default area */
+ p_input->stream.p_selected_area = p_input->stream.pp_areas[i_title];
- p_method->css.i_title_nb = p_method->ifo.vmg.mat.i_tts_nb;
+ /* title number: it is not vts nb! */
+ p_dvd->i_title = i_title;
- if( (p_method->css.p_title_key =
- malloc( p_method->css.i_title_nb *sizeof(title_key_t) ) ) == NULL )
+ /* title position inside the selected vts */
+ p_dvd->i_vts_title =
+ p_dvd->ifo.vmg.ptt_srpt.p_tts[i_title-1].i_vts_ttn;
+
+ /* vts number */
+ p_dvd->ifo.i_title = i_title;
+
+ /* ifo vts */
+ IfoReadVTS( &(p_dvd->ifo) );
+ intf_WarnMsg( 2, "ifo info: vts initialized" );
+
+ /* css title key for current vts */
+ if( p_dvd->b_encrypted )
{
- intf_ErrMsg( "Out of memory" );
- p_input->b_error = 1;
- return;
+ p_dvd->p_css->i_title =
+ p_dvd->ifo.vmg.ptt_srpt.p_tts[i_title-1].i_tts_nb;
+ p_dvd->p_css->i_title_pos =
+ p_dvd->ifo.vts.i_pos +
+ p_dvd->ifo.vts.mat.i_tt_vobs_ssector * DVD_LB_SIZE;
+ CSSGetKey( p_dvd->p_css );
+ intf_WarnMsg( 2, "css info: vts key initialized" );
+ }
+
+ /*
+ * Set selected title start and size
+ */
+
+ /* title set offset */
+ p_dvd->i_title_start = p_dvd->ifo.vts.i_pos + DVD_LB_SIZE *
+ (off_t)( p_dvd->ifo.vts.mat.i_tt_vobs_ssector );
+
+ /* last video cell */
+ p_dvd->i_cell = -1;
+ p_dvd->i_prg_cell = -1 +
+ p_dvd->ifo.vts.pgci_ti.p_srp[p_dvd->i_vts_title-1].pgc.i_cell_nb;
+ DVDFindSector( p_dvd );
+
+ /* temporary hack to fix size in some dvds */
+ if( p_dvd->i_cell >= p_dvd->ifo.vts.c_adt.i_cell_nb )
+ {
+ p_dvd->i_cell = p_dvd->ifo.vts.c_adt.i_cell_nb - 1;
}
- for( i=0 ; i<p_method->css.i_title_nb ; i++ )
+ p_dvd->i_size = DVD_LB_SIZE *
+ (off_t)( p_dvd->ifo.vts.c_adt.p_cell_inf[p_dvd->i_cell].i_esector );
+
+ DVDChapterSelect( p_dvd, 1 );
+
+ p_dvd->i_size -= (off_t)( p_dvd->i_sector + 1 ) *DVD_LB_SIZE;
+
+ lseek( p_input->i_handle, p_dvd->i_start, SEEK_SET );
+
+
+ intf_WarnMsg( 2, "dvd info: title: %d", i_title );
+ intf_WarnMsg( 2, "dvd info: vobstart at: %lld", p_dvd->i_start );
+ intf_WarnMsg( 2, "dvd info: stream size: %lld", p_dvd->i_size );
+ intf_WarnMsg( 2, "dvd info: number of chapters: %d",
+ p_dvd->ifo.vmg.ptt_srpt.p_tts[i_title-1].i_ptt_nb );
+
+/* intf_WarnMsg( 3, "last: %d index: %d", i_last_chapter, i_index );*/
+
+
+/* intf_WarnMsg( 3, "DVD: Cell: %d vob id: %d cell id: %d", i_end_cell, p_dvd->ifo.vts.c_adt.p_cell_inf[i_end_cell].i_vob_id, p_dvd->ifo.vts.c_adt.p_cell_inf[i_end_cell].i_cell_id );*/
+
+ /* Area definition */
+ p_input->stream.p_selected_area->i_start = p_dvd->i_start;
+ p_input->stream.p_selected_area->i_size = p_dvd->i_size;
+
+ /*
+ * Destroy obsolete ES by reinitializing program 0
+ * and find all ES in title with ifo data
+ */
+ if( p_input->stream.pp_programs != NULL )
{
- p_method->css.p_title_key[i].i =
- p_method->ifo.p_vts[i].i_pos +
- p_method->ifo.p_vts[i].mat.i_tt_vobs_ssector * DVD_LB_SIZE;
+ input_DelProgram( p_input, p_input->stream.pp_programs[0] );
}
- CSSGetKeys( &(p_method->css) );
+ input_AddProgram( p_input, 0, sizeof( stream_ps_data_t ) );
- intf_WarnMsg( 3, "CSS: initialized" );
-#else
- intf_ErrMsg( "Unscrambling not supported" );
- p_input->b_error = 1;
- return;
+ p_es = NULL;
+
+ /* ES 0 -> video MPEG2 */
+ p_es = input_AddES( p_input, p_input->stream.pp_programs[0], 0xe0, 0 );
+ p_es->i_stream_id = 0xe0;
+ p_es->i_type = MPEG2_VIDEO_ES;
+ input_SelectES( p_input, p_es );
+ intf_WarnMsg( 1, "dvd info: video MPEG2 stream" );
+
+ /* Audio ES, in the order they appear in .ifo */
+ i_nb = p_dvd->ifo.vts.mat.i_audio_nb;
+
+ i_ac3 = 0x7f;
+ i_mpeg = 0xc0;
+
+ for( i = 1 ; i <= i_nb ; i++ )
+ {
+
+#if 0
+ fprintf( stderr, "Audio %d: %x %x %x %x %x %x %x %x %x %x %x %x\n", i,
+ p_dvd->ifo.vts.mat.p_audio_atrt[i-1].i_num_channels,
+ p_dvd->ifo.vts.mat.p_audio_atrt[i-1].i_coding_mode,
+ p_dvd->ifo.vts.mat.p_audio_atrt[i-1].i_multichannel_extension,
+ p_dvd->ifo.vts.mat.p_audio_atrt[i-1].i_type,
+ p_dvd->ifo.vts.mat.p_audio_atrt[i-1].i_appl_mode,
+ p_dvd->ifo.vts.mat.p_audio_atrt[i-1].i_foo,
+ p_dvd->ifo.vts.mat.p_audio_atrt[i-1].i_bar,
+ p_dvd->ifo.vts.mat.p_audio_atrt[i-1].i_appl_mode,
+ p_dvd->ifo.vts.mat.p_audio_atrt[i-1].i_quantization,
+ p_dvd->ifo.vts.mat.p_audio_atrt[i-1].i_sample_freq,
+ p_dvd->ifo.vts.mat.p_audio_atrt[i-1].i_lang_code,
+ p_dvd->ifo.vts.mat.p_audio_atrt[i-1].i_caption );
#endif
- }
- /* FIXME: Kludge beginning and end of the stream in vts_01_1.vob */
+ switch( p_dvd->ifo.vts.mat.p_audio_atrt[i-1].i_coding_mode )
+ {
+ case 0x00: /* AC3 */
+ i_id = ( ( i_ac3 + i ) << 8 ) | 0xbd;
+ p_es = input_AddES( p_input,
+ p_input->stream.pp_programs[0], i_id, 0 );
+ p_es->i_stream_id = 0xbd;
+ p_es->i_type = AC3_AUDIO_ES;
+ p_es->b_audio = 1;
+ strcpy( p_es->psz_desc, Language( hton16(
+ p_dvd->ifo.vts.mat.p_audio_atrt[i-1].i_lang_code ) ) );
+
+ intf_WarnMsg( 1, "dvd info: audio stream %d %s\t(0x%x)",
+ i, p_es->psz_desc, i_id );
- /* Determines which vob contains the movie */
- i_cell = 0;
- i_cell_1 = 0;
- i_start_cell = 0;
- i_end_cell = 0;
+ break;
+ case 0x02:
+ case 0x03: /* MPEG audio */
+ i_id = 0xbf + i;
+ p_es = input_AddES( p_input,
+ p_input->stream.pp_programs[0], i_id, 0 );
+ p_es->i_stream_id = i_id;
+ p_es->i_type = MPEG2_AUDIO_ES;
+ p_es->b_audio = 1;
+ strcpy( p_es->psz_desc, Language( hton16(
+ p_dvd->ifo.vts.mat.p_audio_atrt[i-1].i_lang_code ) ) );
+
+ intf_WarnMsg( 1, "dvd info: audio stream %d %s\t(0x%x)",
+ i, p_es->psz_desc, i_id );
+
+ break;
+ case 0x04: /* LPCM */
+ i_id = 0;
+ intf_ErrMsg( "dvd warning: LPCM audio not handled yet" );
+ break;
+ case 0x06: /* DTS */
+ i_id = 0;
+ i_ac3--;
+ intf_ErrMsg( "dvd warning: DTS audio not handled yet" );
+ break;
+ default:
+ i_id = 0;
+ intf_ErrMsg( "dvd warning: unknown audio type %.2x",
+ p_dvd->ifo.vts.mat.p_audio_atrt[i-1].i_coding_mode );
+ }
+
+ }
+
+ /* Sub Picture ES */
+ i_nb = p_dvd->ifo.vts.mat.i_subpic_nb;
+
+ b_last = 0;
+ i_sub_pic = 0x20;
+ for( i = 1 ; i <= i_nb ; i++ )
+ {
+ if( !b_last )
+ {
+ i_id = ( i_sub_pic++ << 8 ) | 0xbd;
+ p_es = input_AddES( p_input,
+ p_input->stream.pp_programs[0], i_id, 0 );
+ p_es->i_stream_id = 0xbd;
+ p_es->i_type = DVD_SPU_ES;
+ strcpy( p_es->psz_desc, Language( hton16(
+ p_dvd->ifo.vts.mat.p_subpic_atrt[i-1].i_lang_code ) ) );
+ intf_WarnMsg( 1, "dvd info: spu stream %d %s\t(0x%x)",
+ i, p_es->psz_desc, i_id );
+
+ /* The before the last spu has a 0x0 prefix */
+ b_last =
+ ( p_dvd->ifo.vts.mat.p_subpic_atrt[i].i_prefix == 0 );
+ }
+ }
+
+ } // i_title >= 0
- /* Loop on the number of vobs */
- while( p_method->ifo.p_vts[0].c_adt.p_cell_inf[i_cell].i_vob_id <=
- p_method->ifo.p_vts[0].c_adt.i_vob_nb )
+ /*
+ * Select requested ES
+ */
+ if( ( i_audio >= 0 ) || ( i_title >= 0 ) )
{
- i_cell_1 = i_cell;
- /* Loop to find the number of cells in the vob */
- do
+ /* Audio: we check it is in the range and
+ * default it to the first if not */
+ if( i_audio > p_dvd->ifo.vts.mat.i_audio_nb )
{
- i_cell++;
- if( i_cell >= p_method->ifo.p_vts[0].c_adt.i_cell_nb )
+ i_audio = 1;
+ }
+
+ p_es = p_input->stream.pp_programs[0]->pp_es[i_audio];
+
+ /* We can only have one audio channel */
+ /* Look for a preselected one */
+ i_index = -1;
+ for( i = 0 ; i < p_input->stream.i_selected_es_number ; i++ )
+ {
+ if( p_input->stream.pp_selected_es[i]->b_audio )
{
+ i_index = i;
break;
}
}
- while( p_method->ifo.p_vts[0].c_adt.p_cell_inf[i_cell-1].i_cell_id <
- p_method->ifo.p_vts[0].c_adt.p_cell_inf[i_cell].i_cell_id );
+ if( i_index != -1 )
+ {
+
+ if( p_input->stream.pp_selected_es[i_index] != p_es )
+ {
+ input_UnselectES( p_input,
+ p_input->stream.pp_selected_es[i_index] );
+ input_SelectES( p_input, p_es );
+ intf_WarnMsg( 1, "dvd info: audio %d selected -> %s (0x%x)",
+ i_audio, p_es->psz_desc, p_es->i_id );
+ }
+ }
+ else
+ {
+ input_SelectES( p_input, p_es );
+ intf_WarnMsg( 1, "dvd info: audio %d selected -> %s (0x%x)",
+ i_audio, p_es->psz_desc, p_es->i_id );
+ }
+ }
- if( p_method->ifo.p_vts[0].c_adt.p_cell_inf[i_cell-1].i_cell_id >
- p_method->ifo.p_vts[0].c_adt.p_cell_inf[i_end_cell].i_cell_id )
+ if( ( i_spu >= 0 ) || ( i_title >= 0 ) )
+ {
+ /* For spu: no one if none or a not existing one requested */
+ if( ( i_spu <= p_dvd->ifo.vts.mat.i_subpic_nb ) && ( i_spu > 0 ) )
{
- i_start_cell = i_cell_1;
- i_end_cell = i_cell - 1;
+ input_SelectES( p_input, ( p_es = p_input->stream.pp_programs[0]->
+ pp_es[ i_spu + p_dvd->ifo.vts.mat.i_audio_nb ] ) );
+
+ intf_WarnMsg( 1, "dvd info: spu %d selected -> %s (0x%x)",
+ i_spu, p_es->psz_desc, p_es->i_id );
}
}
- /* The preceding does not work with all DVD, so we give the
- * last cell of the title as end */
- i_end_cell = p_method->ifo.p_vts[0].c_adt.i_cell_nb - 1;
+ /*
+ * Chapter selection
+ */
- intf_WarnMsg( 2, "DVD: Start cell: %d End Cell: %d",
- i_start_cell, i_end_cell );
+ if( ( i_chapter > 0 ) &&
+ ( i_chapter <= p_input->stream.p_selected_area->i_part_nb ) )
+ {
+ DVDChapterSelect( p_dvd, i_chapter );
- p_method->i_start_cell = i_start_cell;
- p_method->i_end_cell = i_end_cell;
+ p_input->stream.p_selected_area->i_tell = p_dvd->i_start -
+ p_input->stream.p_selected_area->i_start;
+ p_input->stream.p_selected_area->i_part = p_dvd->i_chapter;
- /* start is : beginning of vts + offset to vobs + offset to vob x */
- i_start = p_method->ifo.p_vts[0].i_pos + DVD_LB_SIZE *
- ( p_method->ifo.p_vts[0].mat.i_tt_vobs_ssector +
- p_method->ifo.p_vts[0].c_adt.p_cell_inf[i_start_cell].i_ssector );
- p_method->i_start_byte = i_start;
-
- i_start = lseek( p_input->i_handle, i_start, SEEK_SET );
- intf_WarnMsg( 3, "DVD: VOBstart at: %lld", i_start );
+ intf_WarnMsg( 2, "dvd info: chapter %d start at: %lld", i_chapter,
+ p_input->stream.p_selected_area->i_tell );
+ }
- i_size = (off_t)
- ( p_method->ifo.p_vts[0].c_adt.p_cell_inf[i_end_cell].i_esector -
- p_method->ifo.p_vts[0].c_adt.p_cell_inf[i_start_cell].i_ssector + 1 )
- *DVD_LB_SIZE;
- intf_WarnMsg( 3, "DVD: stream size: %lld", i_size );
+ /* No PSM to read in DVD mode, we already have all information */
+ p_input->stream.pp_programs[0]->b_is_ok = 1;
+ vlc_mutex_unlock( &p_input->stream.stream_lock );
- /* Initialize ES structures */
- input_InitStream( p_input, sizeof( stream_ps_data_t ) );
- input_AddProgram( p_input, 0, sizeof( stream_ps_data_t ) );
+ return 0;
+}
- if( p_input->stream.b_seekable )
+/*****************************************************************************
+ * DVDInit: initializes DVD structures
+ *****************************************************************************/
+static void DVDInit( input_thread_t * p_input )
+{
+ thread_dvd_data_t * p_dvd;
+ int i_title;
+ int i_chapter;
+ int i_audio;
+ int i_spu;
+ int i;
+
+ if( (p_dvd = malloc( sizeof(thread_dvd_data_t) )) == NULL )
{
- stream_ps_data_t * p_demux_data =
- (stream_ps_data_t *)p_input->stream.pp_programs[0]->p_demux_data;
+ intf_ErrMsg( "Out of memory" );
+ p_input->b_error = 1;
+ return;
+ }
- /* Pre-parse the stream to gather stream_descriptor_t. */
- p_input->stream.pp_programs[0]->b_is_ok = 0;
- p_demux_data->i_PSM_version = EMPTY_PSM_VERSION;
+ p_input->p_plugin_data = (void *)p_dvd;
+ p_input->p_method_data = NULL;
- while( !p_input->b_die && !p_input->b_error
- && !p_demux_data->b_has_PSM )
- {
- int i_result, i;
- data_packet_t * pp_packets[INPUT_READ_ONCE];
+ p_dvd->i_fd = p_input->i_handle;
- i_result = DVDRead( p_input, pp_packets );
- if( i_result == 1 )
- {
- /* EOF */
- vlc_mutex_lock( &p_input->stream.stream_lock );
- p_input->stream.pp_programs[0]->b_is_ok = 1;
- vlc_mutex_unlock( &p_input->stream.stream_lock );
- break;
- }
- if( i_result == -1 )
- {
- p_input->b_error = 1;
- break;
- }
+ p_dvd->i_block_once = 1;
+ p_input->i_read_once = 8;
- for( i = 0; i < INPUT_READ_ONCE && pp_packets[i] != NULL; i++ )
- {
- /* FIXME: use i_p_config_t */
- input_ParsePS( p_input, pp_packets[i] );
- input_NetlistDeletePacket( p_input->p_method_data,
- pp_packets[i] );
- }
+ p_dvd->b_encrypted = DVDCheckCSS( p_input );
- /* File too big. */
- if( p_input->stream.i_tell > INPUT_PREPARSE_LENGTH )
- {
- break;
- }
- }
- lseek( p_input->i_handle, i_start, SEEK_SET );
- vlc_mutex_lock( &p_input->stream.stream_lock );
+ lseek( p_input->i_handle, 0, SEEK_SET );
- /* i_tell is an indicator from the beginning of the stream,
- * not of the DVD */
- p_input->stream.i_tell = 0;
+ /* Reading structures initialisation */
+ p_input->p_method_data =
+ DVDNetlistInit( 4096, 8192, 4096, DVD_LB_SIZE, p_dvd->i_block_once );
+ intf_WarnMsg( 2, "dvd info: netlist initialized" );
- if( p_demux_data->b_has_PSM )
- {
- /* (The PSM decoder will care about spawning the decoders) */
- p_input->stream.pp_programs[0]->b_is_ok = 1;
- }
-#ifdef AUTO_SPAWN
- else
+ /* Ifo initialisation */
+ p_dvd->ifo = IfoInit( p_input->i_handle );
+ intf_WarnMsg( 2, "ifo info: vmg initialized" );
+
+ /* CSS initialisation */
+ if( p_dvd->b_encrypted )
+ {
+ p_dvd->p_css = CSSInit( p_input->i_handle );
+
+ if( p_dvd->p_css == NULL )
{
- /* (We have to do it ourselves) */
- int i_es;
-
- /* FIXME: we should do multiple passes in case an audio type
- * is not present */
- for( i_es = 0;
- i_es < p_input->stream.pp_programs[0]->i_es_number;
- i_es++ )
- {
-#define p_es p_input->stream.pp_programs[0]->pp_es[i_es]
- switch( p_es->i_type )
- {
- case MPEG1_VIDEO_ES:
- case MPEG2_VIDEO_ES:
- input_SelectES( p_input, p_es );
- break;
-
- case MPEG1_AUDIO_ES:
- case MPEG2_AUDIO_ES:
- if( main_GetIntVariable( INPUT_CHANNEL_VAR, 0 )
- == (p_es->i_id & 0x1F) )
- switch( main_GetIntVariable( INPUT_AUDIO_VAR, 0 ) )
- {
- case 0:
- main_PutIntVariable( INPUT_AUDIO_VAR,
- REQUESTED_MPEG );
- case REQUESTED_MPEG:
- input_SelectES( p_input, p_es );
- }
- break;
-
- case AC3_AUDIO_ES:
- if( main_GetIntVariable( INPUT_CHANNEL_VAR, 0 )
- == ((p_es->i_id & 0xF00) >> 8) )
- switch( main_GetIntVariable( INPUT_AUDIO_VAR, 0 ) )
- {
- case 0:
- main_PutIntVariable( INPUT_AUDIO_VAR,
- REQUESTED_AC3 );
- case REQUESTED_AC3:
- input_SelectES( p_input, p_es );
- }
- break;
-
- case DVD_SPU_ES:
- if( main_GetIntVariable( INPUT_SUBTITLE_VAR, -1 )
- == ((p_es->i_id & 0x1F00) >> 8) )
- {
- input_SelectES( p_input, p_es );
- }
- break;
-
- case LPCM_AUDIO_ES:
- /* FIXME ! */
- break;
- }
- }
-
+ intf_ErrMsg( "css error: fatal failure" );
+ p_input->b_error = 1;
+ return;
}
-#endif
-#ifdef STATS
- input_DumpStream( p_input );
-#endif
- /* FIXME : ugly kludge */
- p_input->stream.i_size = i_size;
-
- vlc_mutex_unlock( &p_input->stream.stream_lock );
+ intf_WarnMsg( 2, "css info: initialized" );
}
- else
+
+ /* Initialize ES structures */
+ input_InitStream( p_input, sizeof( stream_ps_data_t ) );
+
+ /* Set stream and area data */
+ vlc_mutex_lock( &p_input->stream.stream_lock );
+
+#define srpt p_dvd->ifo.vmg.ptt_srpt
+ intf_WarnMsg( 2, "dvd info: number of titles: %d", srpt.i_ttu_nb );
+
+#define area p_input->stream.pp_areas
+ /* We start from 1 here since area 0 is reserved for video_ts.vob */
+ for( i = 1 ; i <= srpt.i_ttu_nb ; i++ )
{
- /* The programs will be added when we read them. */
- vlc_mutex_lock( &p_input->stream.stream_lock );
- p_input->stream.pp_programs[0]->b_is_ok = 0;
+ input_AddArea( p_input );
- /* FIXME : ugly kludge */
- p_input->stream.i_size = i_size;
+ /* Should not be so simple eventually :
+ * are title Program Chains, or still something else ? */
+ area[i]->i_id = i;
- vlc_mutex_unlock( &p_input->stream.stream_lock );
+ /* 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;
+
+ /* Number of chapter */
+ area[i]->i_part_nb = srpt.p_tts[i-1].i_ptt_nb;
+ area[i]->i_part = 1;
+
+ /* Offset to vts_i_0.ifo */
+ area[i]->i_plugin_data = p_dvd->ifo.i_off +
+ ( srpt.p_tts[i-1].i_ssector * DVD_LB_SIZE );
+ }
+#undef area
+
+ vlc_mutex_unlock( &p_input->stream.stream_lock );
+
+ /* Get requested title - if none try to find one where is the movie */
+ i_title = main_GetIntVariable( INPUT_TITLE_VAR, 1 );
+ if( i_title <= 0 || i_title > srpt.i_ttu_nb )
+ {
+ i_title = 1;
}
+#undef srpt
+ /* Get requested chapter - if none defaults to first one */
+ i_chapter = main_GetIntVariable( INPUT_CHAPTER_VAR, 1 );
+ if( i_chapter <= 0 )
+ {
+ i_chapter = 1;
+ }
+
+ /* For audio: first one if none or a not existing one specified */
+ i_audio = main_GetIntVariable( INPUT_CHANNEL_VAR, 1 );
+ if( i_audio <= 0 )
+ {
+ main_PutIntVariable( INPUT_CHANNEL_VAR, 1 );
+ i_audio = 1;
+ }
+
+ i_spu = main_GetIntVariable( INPUT_SUBTITLE_VAR, 0 );
+
+ DVDSetArea( p_input, i_title, i_chapter, i_audio, i_spu );
+
+ return;
}
/*****************************************************************************
*****************************************************************************/
static void DVDEnd( input_thread_t * p_input )
{
- /* FIXME: check order of calls */
-// CSSEnd( p_input );
-// IfoEnd( (ifo_t*)(&p_input->p_plugin_data->ifo ) );
- free( p_input->stream.p_demux_data );
- free( p_input->p_plugin_data );
- input_NetlistEnd( p_input );
+ thread_dvd_data_t * p_dvd;
+ dvd_netlist_t * p_netlist;
+
+ p_dvd = (thread_dvd_data_t*)p_input->p_plugin_data;
+ p_netlist = (dvd_netlist_t *)p_input->p_method_data;
+
+ CSSEnd( p_dvd->p_css );
+// IfoEnd( p_dvd->p_ifo ) );
+ free( p_dvd );
+ DVDNetlistEnd( p_netlist );
}
/*****************************************************************************
* EOF.
*****************************************************************************/
static int DVDRead( input_thread_t * p_input,
- data_packet_t ** pp_packets )
+ data_packet_t ** pp_packets )
{
- thread_dvd_data_t * p_method;
- netlist_t * p_netlist;
+ thread_dvd_data_t * p_dvd;
+ dvd_netlist_t * p_netlist;
+ pgc_t * p_pgc;
struct iovec * p_vec;
- struct data_packet_s * p_data;
+ struct data_packet_s * pp_data[p_input->i_read_once];
u8 * pi_cur;
int i_packet_size;
+ int i_iovec;
int i_packet;
int i_pos;
- int i;
- boolean_t b_first_packet;
+ int i_read_bytes;
+ int i_read_blocks;
+ int i_chapter;
+ off_t i_off;
+ boolean_t b_eof;
- p_method = ( thread_dvd_data_t * ) p_input->p_plugin_data;
- p_netlist = ( netlist_t * ) p_input->p_method_data;
+ p_dvd = (thread_dvd_data_t *)p_input->p_plugin_data;
+ p_netlist = (dvd_netlist_t *)p_input->p_method_data;
+ p_pgc = &p_dvd->ifo.vts.pgci_ti.p_srp[p_dvd->i_vts_title-1].pgc;
/* Get an iovec pointer */
- if( ( p_vec = input_NetlistGetiovec( p_netlist ) ) == NULL )
+ if( ( p_vec = DVDGetiovec( p_netlist ) ) == NULL )
{
intf_ErrMsg( "DVD: read error" );
return -1;
}
- /* Reads from DVD */
- readv( p_input->i_handle, p_vec, p_method->i_read_once );
+ /* Get the position of the next cell if we're at cell end */
-#if defined( HAVE_SYS_DVDIO_H ) || defined( LINUX_DVD )
- if( p_method->b_encrypted )
+ if( p_dvd->i_sector > p_dvd->i_end_sector )
{
- for( i=0 ; i<p_method->i_read_once ; i++ )
+ /* Find cell index in adress map */
+ if( DVDFindSector( p_dvd ) < 0 )
+ {
+ pp_packets[0] = NULL;
+ return 1;
+ }
+
+ /* Position the fd pointer on the right address */
+ i_off = lseek( p_dvd->i_fd,
+ p_dvd->i_title_start +
+ (off_t)( p_dvd->i_sector ) *DVD_LB_SIZE,
+ SEEK_SET );
+
+ i_chapter = 0;
+
+ /* update chapter */
+ while( p_pgc->prg_map.pi_entry_cell[i_chapter-1] - 1 <
+ p_dvd->i_prg_cell )
{
- CSSDescrambleSector(
- p_method->css.p_title_key[p_method->i_title].key,
- p_vec[i].iov_base );
- ((u8*)(p_vec[i].iov_base))[0x14] &= 0x8F;
+ i_chapter++;
}
+
+ p_dvd->i_chapter = i_chapter;
+
+ vlc_mutex_lock( &p_input->stream.stream_lock );
+
+ p_input->stream.p_selected_area->i_tell = i_off -
+ 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 );
+
}
-#endif
+
+ /* Reads from DVD */
+ i_read_bytes = readv( p_dvd->i_fd, p_vec, p_dvd->i_block_once );
+ i_read_blocks = ( i_read_bytes + 0x7ff ) >> 11;
/* Update netlist indexes */
- input_NetlistMviovec( p_netlist, p_method->i_read_once, &p_data );
+ DVDMviovec( p_netlist, i_read_blocks, pp_data );
+
+ /* Update global position */
+ p_dvd->i_sector += i_read_blocks;
i_packet = 0;
+
/* Read headers to compute payload length */
- for( i = 0 ; i < p_method->i_read_once ; i++ )
+ for( i_iovec = 0 ; i_iovec < i_read_blocks ; i_iovec++ )
{
+ if( p_dvd->b_encrypted )
+ {
+ CSSDescrambleSector( p_dvd->p_css->pi_title_key,
+ p_vec[i_iovec].iov_base );
+ ((u8*)(p_vec[i_iovec].iov_base))[0x14] &= 0x8F;
+ }
+
i_pos = 0;
- b_first_packet = 1;
+
while( i_pos < p_netlist->i_buffer_size )
{
- pi_cur = (u8*)(p_vec[i].iov_base + i_pos);
+ pi_cur = (u8*)(p_vec[i_iovec].iov_base + i_pos);
+
/*default header */
if( U32_AT( pi_cur ) != 0x1BA )
{
/* That's the case for all packets, except pack header. */
i_packet_size = U16_AT( pi_cur + 4 );
+ pp_packets[i_packet] = DVDNewPtr( p_netlist );
}
else
{
intf_ErrMsg( "Unable to determine stream type" );
return( -1 );
}
+
+ pp_packets[i_packet] = pp_data[i_iovec];
+
}
- if( b_first_packet )
- {
- p_data->b_discard_payload = 0;
- b_first_packet = 0;
- }
- else
- {
- p_data = input_NetlistNewPacket( p_netlist ,
- i_packet_size + 6 );
- memcpy( p_data->p_buffer,
- p_vec[i].iov_base + i_pos , i_packet_size + 6 );
- }
- p_data->p_payload_end = p_data->p_payload_start + i_packet_size + 6;
- pp_packets[i_packet] = p_data;
+ (*pp_data[i_iovec]->pi_refcount)++;
+
+ pp_packets[i_packet]->pi_refcount = pp_data[i_iovec]->pi_refcount;
+
+ pp_packets[i_packet]->p_buffer = pp_data[i_iovec]->p_buffer;
+
+ pp_packets[i_packet]->p_payload_start =
+ pp_packets[i_packet]->p_buffer + i_pos;
+
+ pp_packets[i_packet]->p_payload_end =
+ pp_packets[i_packet]->p_payload_start + i_packet_size + 6;
+
i_packet++;
i_pos += i_packet_size + 6;
}
}
+
pp_packets[i_packet] = NULL;
vlc_mutex_lock( &p_input->stream.stream_lock );
- p_input->stream.i_tell += p_method->i_read_once *DVD_LB_SIZE;
+
+ p_input->stream.p_selected_area->i_tell +=
+ p_dvd->i_block_once *DVD_LB_SIZE;
+ b_eof = p_input->stream.p_selected_area->i_tell < p_dvd->i_size ? 0 : 1;
+
vlc_mutex_unlock( &p_input->stream.stream_lock );
- return( 0 );
+ if( ( i_read_blocks == p_dvd->i_block_once ) && ( !b_eof ) )
+ {
+ return 0;
+ }
+ else
+ {
+ return 1;
+ }
}
* DVDSeek : Goes to a given position on the stream ; this one is used by the
* input and translate chronological position from input to logical postion
* on the device
+ * ---
+ * The lock should be taken before calling this function.
*****************************************************************************/
static void DVDSeek( input_thread_t * p_input, off_t i_off )
{
- thread_dvd_data_t * p_method;
+ thread_dvd_data_t * p_dvd;
+ pgc_t * p_pgc;
off_t i_pos;
+ int i_prg_cell;
+ int i_cell;
+ int i_chapter;
- p_method = ( thread_dvd_data_t * )p_input->p_plugin_data;
+ p_dvd = ( thread_dvd_data_t * )p_input->p_plugin_data;
+ p_pgc = &p_dvd->ifo.vts.pgci_ti.p_srp[p_dvd->i_vts_title-1].pgc;
+
+ /* update navigation data */
+ p_dvd->i_sector = i_off >> 11;
+
+ i_prg_cell = 0;
+ i_cell = 0;
+ i_chapter = 1;
+
+ /* parse vobu address map to find program cell */
+ while( p_pgc->p_cell_play_inf[i_prg_cell].i_lsector < p_dvd->i_sector )
+ {
+ i_prg_cell++;
+ }
+ /* parse cell address map to find cell */
+ while( p_dvd->ifo.vts.c_adt.p_cell_inf[i_cell].i_esector <=
+ p_dvd->i_sector + 1 )
+ {
+ i_cell++;
+ }
+
+ p_dvd->i_prg_cell = i_prg_cell;
+ p_dvd->i_cell = i_cell - 1; /* DVDFindSector will add one */
+
+ /* check coherence of data */
+ DVDFindSector( p_dvd );
+
+ /* update chapter */
+ while( p_pgc->prg_map.pi_entry_cell[i_chapter-1] - 1 < p_dvd->i_prg_cell )
+ {
+ i_chapter++;
+ }
+
+ p_dvd->i_chapter = i_chapter;
- /* We have to take care of offset of beginning of title */
- i_pos = i_off + p_method->i_start_byte;
+ /* we have to take care of offset of beginning of title */
+ i_pos = i_off + p_input->stream.p_selected_area->i_start;
- /* With DVD, we have to be on a sector boundary */
+ /* with DVD, we have to be on a sector boundary */
i_pos = i_pos & (~0x7ff);
- i_pos = lseek( p_input->i_handle, i_pos, SEEK_SET );
+ i_pos = lseek( p_dvd->i_fd, i_pos, SEEK_SET );
- p_input->stream.i_tell = i_pos - p_method->i_start_byte;
+ p_input->stream.p_selected_area->i_tell = i_pos -
+ p_input->stream.p_selected_area->i_start;
+ p_input->stream.p_selected_area->i_part = p_dvd->i_chapter;
return;
}
projects / vlc / blobdiff