/*****************************************************************************
* input_dvd.c: DVD raw reading plugin.
- * ---
+ *****************************************************************************
* This plugins should handle all the known specificities of the DVD format,
* especially the 2048 bytes logical block size.
* It depends on:
* -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 1.61 2001/05/30 17:03:12 sam Exp $
*
* Author: Stéphane Borel <stef@via.ecp.fr>
*
*****************************************************************************/
#include "defs.h"
+#ifdef HAVE_CSS
+#define MODULE_NAME dvd
+#else /* HAVE_CSS */
+#define MODULE_NAME dvdnocss
+#endif /* HAVE_CSS */
+#include "modules_inner.h"
+
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/uio.h>
#include <string.h>
+#ifdef STRNCASECMP_IN_STRINGS_H
+# include <strings.h>
+#endif
#include <errno.h>
-#include <malloc.h>
#include "config.h"
#include "common.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 "dvd_summary.h"
#include "input_dvd.h"
#include "mpeg_system.h"
/*****************************************************************************
* Local prototypes
*****************************************************************************/
+/* called from outside */
static int DVDProbe ( probedata_t *p_data );
-static int DVDCheckCSS ( struct input_thread_s * );
-static int DVDRead ( struct input_thread_s *, data_packet_t ** );
static void DVDInit ( struct input_thread_s * );
static void DVDEnd ( struct input_thread_s * );
+static int DVDSetArea ( struct input_thread_s *, struct input_area_s * );
+static int DVDRead ( struct input_thread_s *, data_packet_t ** );
static void DVDSeek ( struct input_thread_s *, off_t );
static int DVDRewind ( struct input_thread_s * );
+/* called only inside */
+static int DVDChooseAngle( thread_dvd_data_t * );
+static int DVDFindCell( thread_dvd_data_t * );
+static int DVDFindSector( thread_dvd_data_t * );
+static int DVDChapterSelect( thread_dvd_data_t *, int );
+
/*****************************************************************************
* 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_init = DVDInit;
- input.pf_open = input_FileOpen;
- input.pf_close = input_FileClose;
+ input.pf_open = NULL; /* Set in DVDInit */
+ input.pf_close = NULL;
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
*****************************************************************************/
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;
+ }
-/*****************************************************************************
- * DVDCheckCSS: check the stream
- *****************************************************************************/
-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 */
- return 0;
-#endif
+ i_handle = open( psz_name, 0 );
+ if( i_handle == -1 )
+ {
+ return( 0 );
+ }
+ close( i_handle );
+
+ return( i_score );
}
/*****************************************************************************
*****************************************************************************/
static void DVDInit( input_thread_t * p_input )
{
- 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;
-
- if( (p_method = malloc( sizeof(thread_dvd_data_t) )) == NULL )
+ thread_dvd_data_t * p_dvd;
+ input_area_t * p_area;
+ int i_title;
+ int i_chapter;
+ int i;
+
+ p_dvd = malloc( sizeof(thread_dvd_data_t) );
+ if( p_dvd == NULL )
{
- intf_ErrMsg( "Out of memory" );
+ intf_ErrMsg( "dvd error: out of memory" );
p_input->b_error = 1;
return;
}
- p_input->p_plugin_data = (void *)p_method;
+ p_input->p_plugin_data = (void *)p_dvd;
p_input->p_method_data = NULL;
- 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 );
+ /* Set callback */
+ p_input->pf_open = p_input->pf_file_open;
+ p_input->pf_close = p_input->pf_file_close;
- lseek( p_input->i_handle, 0, SEEK_SET );
+ p_dvd->i_fd = p_input->i_handle;
- /* Reading structures initialisation */
- input_NetlistInit( p_input, 4096, 4096, DVD_LB_SIZE,
- p_method->i_read_once );
+ /* reading several block once seems to cause lock-up
+ * when using input_ToggleES
+ * who wrote thez damn buggy piece of shit ??? --stef */
+ p_dvd->i_block_once = 32;
+ p_input->i_read_once = 128;
- /* Ifo initialisation */
- p_method->ifo = IfoInit( p_input->i_handle );
+ i = CSSTest( p_input->i_handle );
- /* CSS initialisation */
- if( p_method->b_encrypted )
+ if( i < 0 )
{
-
-#if defined( HAVE_SYS_DVDIO_H ) || defined( LINUX_DVD )
- p_method->css = CSSInit( p_input->i_handle );
-
- if( ( p_input->b_error = p_method->css.b_error ) )
- {
- intf_ErrMsg( "CSS fatal error" );
- return;
- }
-#else
- intf_ErrMsg( "Unscrambling not supported" );
+ intf_ErrMsg( "dvd error: error in css" );
+ free( p_dvd );
p_input->b_error = 1;
return;
-#endif
}
- /* Ifo structures reading */
- IfoRead( &(p_method->ifo) );
- intf_WarnMsg( 3, "Ifo: Initialized" );
+ p_dvd->b_encrypted = i;
- /* CSS title keys */
- if( p_method->b_encrypted )
- {
+ lseek( p_input->i_handle, 0, SEEK_SET );
-#if defined( HAVE_SYS_DVDIO_H ) || defined( LINUX_DVD )
- int i;
+ /* Reading structures initialisation */
+ p_input->p_method_data =
+ DVDNetlistInit( 2048, 4096, 2048, DVD_LB_SIZE, p_dvd->i_block_once );
+ intf_WarnMsg( 2, "dvd info: netlist initialized" );
- p_method->css.i_title_nb = p_method->ifo.vmg.mat.i_tts_nb;
+ /* Ifo allocation & initialisation */
+ if( IfoCreate( p_dvd ) < 0 )
+ {
+ intf_ErrMsg( "dvd error: allcation error in ifo" );
+ p_input->b_error = 1;
+ return;
+ }
- if( (p_method->css.p_title_key =
- malloc( p_method->css.i_title_nb *sizeof(title_key_t) ) ) == NULL )
+ if( IfoInit( p_dvd->p_ifo ) < 0 )
+ {
+ intf_ErrMsg( "dvd error: fatal failure in ifo" );
+ free( p_dvd );
+ p_input->b_error = 1;
+ return;
+ }
+
+ /* CSS initialisation */
+ if( p_dvd->b_encrypted )
+ {
+ p_dvd->p_css = malloc( sizeof(css_t) );
+ if( p_dvd->p_css == NULL )
{
- intf_ErrMsg( "Out of memory" );
+ intf_ErrMsg( "dvd error: couldn't create css structure" );
+ free( p_dvd );
p_input->b_error = 1;
return;
}
- for( i=0 ; i<p_method->css.i_title_nb ; i++ )
+ p_dvd->p_css->i_agid = 0;
+
+ if( CSSInit( p_input->i_handle, p_dvd->p_css ) < 0 )
{
- 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;
+ intf_ErrMsg( "dvd error: fatal failure in css" );
+ free( p_dvd->p_css );
+ free( p_dvd );
+ p_input->b_error = 1;
+ return;
}
- CSSGetKeys( &(p_method->css) );
-
- intf_WarnMsg( 3, "CSS: initialized" );
-#else
- intf_ErrMsg( "Unscrambling not supported" );
- p_input->b_error = 1;
- return;
-#endif
+ intf_WarnMsg( 2, "dvd info: css initialized" );
}
- /* FIXME: Kludge beginning and end of the stream in vts_01_1.vob */
+ /* Set stream and area data */
+ vlc_mutex_lock( &p_input->stream.stream_lock );
- /* Determines which vob contains the movie */
- i_cell = 0;
- i_cell_1 = 0;
- i_start_cell = 0;
- i_end_cell = 0;
+ /* Initialize ES structures */
+ input_InitStream( p_input, sizeof( stream_ps_data_t ) );
- /* 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 )
- {
- i_cell_1 = i_cell;
+ /* disc input method */
+ p_input->stream.i_method = INPUT_METHOD_DVD;
- /* Loop to find the number of cells in the vob */
- do
- {
- i_cell++;
- if( i_cell >= p_method->ifo.p_vts[0].c_adt.i_cell_nb )
- {
- 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 );
+#define title_inf p_dvd->p_ifo->vmg.title_inf
+ intf_WarnMsg( 2, "dvd info: number of titles: %d", title_inf.i_title_nb );
+#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 <= title_inf.i_title_nb ; i++ )
+ {
+ input_AddArea( p_input );
+
+ /* Titles are Program Chains */
+ area[i]->i_id = i;
+
+ /* 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 chapters */
+ area[i]->i_part_nb = title_inf.p_attr[i-1].i_chapter_nb;
+ area[i]->i_part = 1;
+
+ /* Number of angles */
+ area[i]->i_angle_nb = 0;
+ area[i]->i_angle = 1;
+
+ /* Offset to vts_i_0.ifo */
+ area[i]->i_plugin_data = p_dvd->p_ifo->i_off +
+ ( title_inf.p_attr[i-1].i_start_sector * DVD_LB_SIZE );
+ }
+#undef area
+
+ /* Get requested title - if none try the first title */
+ i_title = main_GetIntVariable( INPUT_TITLE_VAR, 1 );
+ if( i_title <= 0 || i_title > title_inf.i_title_nb )
+ {
+ i_title = 1;
+ }
- 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 )
- {
- i_start_cell = i_cell_1;
- i_end_cell = i_cell - 1;
- }
+#undef title_inf
+
+ /* Get requested chapter - if none defaults to first one */
+ i_chapter = main_GetIntVariable( INPUT_CHAPTER_VAR, 1 );
+ if( i_chapter <= 0 )
+ {
+ i_chapter = 1;
}
- /* 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;
+ p_input->stream.pp_areas[i_title]->i_part = i_chapter;
- intf_WarnMsg( 2, "DVD: Start cell: %d End Cell: %d",
- i_start_cell, i_end_cell );
+ p_area = p_input->stream.pp_areas[i_title];
- p_method->i_start_cell = i_start_cell;
- p_method->i_end_cell = i_end_cell;
+ /* set title, chapter, audio and subpic */
+ DVDSetArea( p_input, p_area );
- /* 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 );
+ vlc_mutex_unlock( &p_input->stream.stream_lock );
- 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 );
+ return;
+}
+/*****************************************************************************
+ * DVDEnd: frees unused data
+ *****************************************************************************/
+static void DVDEnd( input_thread_t * p_input )
+{
+ thread_dvd_data_t * p_dvd;
+ dvd_netlist_t * p_netlist;
- /* Initialize ES structures */
- input_InitStream( p_input, sizeof( stream_ps_data_t ) );
- input_AddProgram( p_input, 0, sizeof( stream_ps_data_t ) );
+ p_dvd = (thread_dvd_data_t*)p_input->p_plugin_data;
+ p_netlist = (dvd_netlist_t *)p_input->p_method_data;
+
+ if( p_dvd->b_encrypted )
+ {
+ free( p_dvd->p_css );
+ }
+
+ IfoDestroy( p_dvd->p_ifo );
+ free( p_dvd );
+ DVDNetlistEnd( p_netlist );
+}
- if( p_input->stream.b_seekable )
+/*****************************************************************************
+ * DVDSetArea: 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 DVDSetArea( input_thread_t * p_input, input_area_t * p_area )
+{
+ thread_dvd_data_t * p_dvd;
+ es_descriptor_t * p_es;
+ u16 i_id;
+ int i_vts_title;
+ int i_audio;
+ int i_spu;
+ int i;
+ int j;
+
+ p_dvd = (thread_dvd_data_t*)p_input->p_plugin_data;
+
+ /* we can't use the interface slider until initilization is complete */
+ p_input->stream.b_seekable = 0;
+
+ if( p_area != p_input->stream.p_selected_area )
{
- stream_ps_data_t * p_demux_data =
- (stream_ps_data_t *)p_input->stream.pp_programs[0]->p_demux_data;
- /* 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;
+ /*
+ * We have to load all title information
+ */
+ /* Change the default area */
+ p_input->stream.p_selected_area =
+ p_input->stream.pp_areas[p_area->i_id];
+
+ /* release the lock to to let the interface go */
+// vlc_mutex_unlock( &p_input->stream.stream_lock );
- while( !p_input->b_die && !p_input->b_error
- && !p_demux_data->b_has_PSM )
+ /* title number: it is not vts nb!,
+ * it is what appears in the interface list */
+ p_dvd->i_title = p_area->i_id;
+ p_dvd->p_ifo->i_title = p_dvd->i_title;
+
+ /* set number of chapters of current title */
+ p_dvd->i_chapter_nb = p_area->i_part_nb;
+
+ /* ifo vts */
+ if( IfoTitleSet( p_dvd->p_ifo ) < 0 )
{
- int i_result, i;
- data_packet_t * pp_packets[INPUT_READ_ONCE];
+ intf_ErrMsg( "dvd error: fatal error in vts ifo" );
+ free( p_dvd );
+ p_input->b_error = 1;
+ return -1;
+ }
+
+#define vmg p_dvd->p_ifo->vmg
+#define vts p_dvd->p_ifo->vts
+ /* title position inside the selected vts */
+ i_vts_title = vmg.title_inf.p_attr[p_dvd->i_title-1].i_title_num;
+ p_dvd->i_title_id =
+ vts.title_inf.p_title_start[i_vts_title-1].i_title_id;
+
+ intf_WarnMsg( 3, "dvd: title %d vts_title %d pgc %d",
+ p_dvd->i_title,
+ i_vts_title,
+ p_dvd->i_title_id );
- i_result = DVDRead( p_input, pp_packets );
- if( i_result == 1 )
+ /* css title key for current vts */
+ if( p_dvd->b_encrypted )
+ {
+ /* this one is vts number */
+ p_dvd->p_css->i_title =
+ vmg.title_inf.p_attr[p_dvd->i_title-1].i_title_set_num;
+ p_dvd->p_css->i_title_pos =
+ vts.i_pos +
+ vts.manager_inf.i_title_vob_start_sector * DVD_LB_SIZE;
+
+ j = CSSGetKey( p_input->i_handle, p_dvd->p_css );
+ if( j < 0 )
{
- /* 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;
+ intf_ErrMsg( "dvd error: fatal error in vts css key" );
+ free( p_dvd );
+ p_input->b_error = 1;
+ return -1;
}
- if( i_result == -1 )
+ else if( j > 0 )
{
+ intf_ErrMsg( "dvd error: css decryption unavailable" );
+ free( p_dvd );
p_input->b_error = 1;
- break;
+ return -1;
}
+ }
- 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] );
- }
+ /*
+ * Angle management
+ */
+ p_dvd->i_angle_nb = vmg.title_inf.p_attr[p_dvd->i_title-1].i_angle_nb;
+ p_dvd->i_angle = main_GetIntVariable( INPUT_ANGLE_VAR, 1 );
+ if( ( p_dvd->i_angle <= 0 ) || p_dvd->i_angle > p_dvd->i_angle_nb )
+ {
+ p_dvd->i_angle = 1;
+ }
+
+ /*
+ * Set selected title start and size
+ */
+
+ /* title set offset */
+ p_dvd->i_title_start = vts.i_pos + DVD_LB_SIZE *
+ (off_t)( vts.manager_inf.i_title_vob_start_sector );
+
+ /* last video cell */
+ p_dvd->i_cell = 0;
+ p_dvd->i_prg_cell = -1 +
+ vts.title_unit.p_title[p_dvd->i_title_id-1].title.i_cell_nb;
+
+ if( DVDFindCell( p_dvd ) < 0 )
+ {
+ intf_ErrMsg( "dvd error: can't find title end" );
+ p_input->b_error = 1;
+ return -1;
+ }
+
+ /* temporary hack to fix size in some dvds */
+ if( p_dvd->i_cell >= vts.cell_inf.i_cell_nb )
+ {
+ p_dvd->i_cell = vts.cell_inf.i_cell_nb - 1;
+ }
+
+ p_dvd->i_sector = 0;
+ p_dvd->i_size = DVD_LB_SIZE *
+ (off_t)( vts.cell_inf.p_cell_map[p_dvd->i_cell].i_end_sector );
+ intf_WarnMsg( 2, "dvd info: stream size 1: %lld @ %d", p_dvd->i_size,
+ vts.cell_inf.p_cell_map[p_dvd->i_cell].i_end_sector );
+
+ if( DVDChapterSelect( p_dvd, 1 ) < 0 )
+ {
+ intf_ErrMsg( "dvd error: can't find first chapter" );
+ p_input->b_error = 1;
+ return -1;
+ }
+
+ p_dvd->i_size -= (off_t)( p_dvd->i_sector + 1 ) *DVD_LB_SIZE;
+
+ IfoPrintTitle( p_dvd );
+
+// vlc_mutex_lock( &p_input->stream.stream_lock );
+
+ /* 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;
+ p_input->stream.p_selected_area->i_angle_nb = p_dvd->i_angle_nb;
+ p_input->stream.p_selected_area->i_angle = p_dvd->i_angle;
- /* File too big. */
- if( p_input->stream.i_tell > INPUT_PREPARSE_LENGTH )
+ /*
+ * 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 */
+
+ for( i = 0 ; i < p_input->stream.i_selected_es_number ; i++ )
{
- break;
+ input_UnselectES( p_input, p_input->stream.pp_selected_es[i] );
}
+
+ input_DelProgram( p_input, p_input->stream.pp_programs[0] );
+
+ p_input->stream.pp_selected_es = NULL;
+ p_input->stream.i_selected_es_number = 0;
}
- lseek( p_input->i_handle, i_start, SEEK_SET );
- vlc_mutex_lock( &p_input->stream.stream_lock );
- /* i_tell is an indicator from the beginning of the stream,
- * not of the DVD */
- p_input->stream.i_tell = 0;
+ input_AddProgram( p_input, 0, sizeof( stream_ps_data_t ) );
+
+ /* No PSM to read in DVD mode, we already have all information */
+ p_input->stream.pp_programs[0]->b_is_ok = 1;
+ p_input->stream.pp_programs[0]->i_synchro_state = SYNCHRO_START;
- if( p_demux_data->b_has_PSM )
+ p_es = NULL;
+
+ /* ES 0 -> video MPEG2 */
+ IfoPrintVideo( p_dvd );
+
+ 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;
+ p_es->i_cat = VIDEO_ES;
+ intf_WarnMsg( 1, "dvd info: video mpeg2 stream" );
+ if( p_main->b_video )
{
- /* (The PSM decoder will care about spawning the decoders) */
- p_input->stream.pp_programs[0]->b_is_ok = 1;
+ input_SelectES( p_input, p_es );
}
-#ifdef AUTO_SPAWN
- else
+ intf_WarnMsg( 4, "dvd info: video selected" );
+
+#define audio_status \
+ vts.title_unit.p_title[p_dvd->i_title_id-1].title.pi_audio_status[i-1]
+ /* Audio ES, in the order they appear in .ifo */
+ for( i = 1 ; i <= vts.manager_inf.i_audio_nb ; i++ )
{
- /* (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++ )
+ IfoPrintAudio( p_dvd, i );
+
+ /* audio channel is active if first byte is 0x80 */
+ if( audio_status.i_available )
{
-#define p_es p_input->stream.pp_programs[0]->pp_es[i_es]
- switch( p_es->i_type )
+ switch( vts.manager_inf.p_audio_attr[i-1].i_coding_mode )
{
- case MPEG1_VIDEO_ES:
- case MPEG2_VIDEO_ES:
- input_SelectES( p_input, p_es );
- break;
+ case 0x00: /* AC3 */
+ i_id = ( ( 0x80 + audio_status.i_position ) << 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;
+ p_es->i_cat = AUDIO_ES;
+ strcpy( p_es->psz_desc, IfoLanguage( hton16(
+ vts.manager_inf.p_audio_attr[i-1].i_lang_code ) ) );
+ strcat( p_es->psz_desc, " (ac3)" );
+
+ intf_WarnMsg( 3, "dvd info: audio stream %d %s\t(0x%x)",
+ i, p_es->psz_desc, i_id );
+
+ break;
+ case 0x02:
+ case 0x03: /* MPEG audio */
+ i_id = 0xc0 + audio_status.i_position;
+ 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;
+ p_es->i_cat = AUDIO_ES;
+ strcpy( p_es->psz_desc, IfoLanguage( hton16(
+ vts.manager_inf.p_audio_attr[i-1].i_lang_code ) ) );
+ strcat( p_es->psz_desc, " (mpeg)" );
+
+ intf_WarnMsg( 3, "dvd info: audio stream %d %s\t(0x%x)",
+ i, p_es->psz_desc, i_id );
+
+ break;
+ case 0x04: /* LPCM */
+
+ i_id = ( ( 0xa0 + audio_status.i_position ) << 8 ) | 0xbd;
+ 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 = LPCM_AUDIO_ES;
+ p_es->b_audio = 1;
+ p_es->i_cat = AUDIO_ES;
+ strcpy( p_es->psz_desc, IfoLanguage( hton16(
+ vts.manager_inf.p_audio_attr[i-1].i_lang_code ) ) );
+ strcat( p_es->psz_desc, " (lpcm)" );
+
+ intf_WarnMsg( 3, "dvd info: audio stream %d %s\t(0x%x)",
+ i, p_es->psz_desc, i_id );
+ break;
+ case 0x06: /* DTS */
+ i_id = ( ( 0x88 + audio_status.i_position ) << 8 ) | 0xbd;
+ intf_ErrMsg( "dvd warning: DTS audio not handled yet"
+ "(0x%x)", i_id );
+ break;
+ default:
+ i_id = 0;
+ intf_ErrMsg( "dvd warning: unknown audio type %.2x",
+ vts.manager_inf.p_audio_attr[i-1].i_coding_mode );
+ }
+ }
+ }
+#undef audio_status
+#define spu_status \
+ vts.title_unit.p_title[p_dvd->i_title_id-1].title.pi_spu_status[i-1]
- 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;
+ /* Sub Picture ES */
+
+ for( i = 1 ; i <= vts.manager_inf.i_spu_nb; i++ )
+ {
+ IfoPrintSpu( p_dvd, i );
- 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 );
- }
+ if( spu_status.i_available )
+ {
+ /* there are several streams for one spu */
+ if( vts.manager_inf.video_attr.i_ratio )
+ {
+ /* 16:9 */
+ switch( vts.manager_inf.video_attr.i_perm_displ )
+ {
+ case 1:
+ i_id = ( ( 0x20 + spu_status.i_position_pan ) << 8 )
+ | 0xbd;
break;
-
- case DVD_SPU_ES:
- if( main_GetIntVariable( INPUT_SUBTITLE_VAR, -1 )
- == ((p_es->i_id & 0x1F00) >> 8) )
- {
- input_SelectES( p_input, p_es );
- }
+ case 2:
+ i_id = ( ( 0x20 + spu_status.i_position_letter ) << 8 )
+ | 0xbd;
break;
-
- case LPCM_AUDIO_ES:
- /* FIXME ! */
+ default:
+ i_id = ( ( 0x20 + spu_status.i_position_wide ) << 8 )
+ | 0xbd;
break;
+ }
}
+ else
+ {
+ /* 4:3 */
+ i_id = ( ( 0x20 + spu_status.i_position_43 ) << 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;
+ p_es->i_cat = SPU_ES;
+ strcpy( p_es->psz_desc, IfoLanguage( hton16(
+ vts.manager_inf.p_spu_attr[i-1].i_lang_code ) ) );
+ intf_WarnMsg( 3, "dvd info: spu stream %d %s\t(0x%x)",
+ i, p_es->psz_desc, i_id );
+ }
+ }
+#undef spu_status
+ if( p_main->b_audio )
+ {
+ /* For audio: first one if none or a not existing one specified */
+ i_audio = main_GetIntVariable( INPUT_CHANNEL_VAR, 1 );
+ if( i_audio < 0 || i_audio > vts.manager_inf.i_audio_nb )
+ {
+ main_PutIntVariable( INPUT_CHANNEL_VAR, 1 );
+ i_audio = 1;
+ }
+ if( i_audio > 0 && vts.manager_inf.i_audio_nb > 0 )
+ {
+ input_SelectES( p_input, p_input->stream.pp_es[i_audio] );
}
-
}
-#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 );
- }
+ if( p_main->b_video )
+ {
+ /* for spu, default is none */
+ i_spu = main_GetIntVariable( INPUT_SUBTITLE_VAR, 0 );
+ if( i_spu < 0 || i_spu > vts.manager_inf.i_spu_nb )
+ {
+ main_PutIntVariable( INPUT_SUBTITLE_VAR, 0 );
+ i_spu = 0;
+ }
+ if( i_spu > 0 && vts.manager_inf.i_spu_nb > 0 )
+ {
+ i_spu += vts.manager_inf.i_audio_nb;
+ input_SelectES( p_input, p_input->stream.pp_es[i_spu] );
+ }
+ }
+ } /* i_title >= 0 */
else
{
- /* 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;
+ p_area = p_input->stream.p_selected_area;
+ }
+#undef vts
+#undef vmg
- /* FIXME : ugly kludge */
- p_input->stream.i_size = i_size;
+ /*
+ * Chapter selection
+ */
- vlc_mutex_unlock( &p_input->stream.stream_lock );
+
+ if( p_area->i_part != p_dvd->i_chapter )
+ {
+ if( ( p_area->i_part > 0 ) &&
+ ( p_area->i_part <= p_area->i_part_nb ))
+ {
+ if( DVDChapterSelect( p_dvd, p_area->i_part ) < 0 )
+ {
+ intf_ErrMsg( "dvd error: can't set chapter in area" );
+ p_input->b_error = 1;
+ return -1;
+ }
+
+ p_input->stream.p_selected_area->i_tell = p_dvd->i_start -
+ p_area->i_start;
+ p_input->stream.p_selected_area->i_part = p_dvd->i_chapter;
+
+ intf_WarnMsg( 2, "dvd info: chapter %d start at: %lld",
+ p_area->i_part, p_area->i_tell );
+ }
+ else
+ {
+ p_area->i_part = 1;
+ p_dvd->i_chapter = 1;
+ }
}
-}
+#define title \
+ p_dvd->p_ifo->vts.title_unit.p_title[p_dvd->i_title_id-1].title
+ if( p_area->i_angle != p_dvd->i_angle )
+ {
+ if( title.p_cell_play[p_dvd->i_prg_cell].i_category & 0xf000 )
+ {
+ if( ( p_area->i_angle - p_dvd->i_angle ) < 0 )
+ {
+ p_dvd->i_cell = 0;
+ }
+ p_dvd->i_prg_cell += ( p_area->i_angle - p_dvd->i_angle );
+ p_dvd->i_angle = p_area->i_angle;
+
+ DVDFindSector( p_dvd );
+ p_dvd->i_cell += p_dvd->i_angle_cell;
+ }
+ else
+ {
+ p_dvd->i_angle = p_area->i_angle;
+ }
-/*****************************************************************************
- * DVDEnd: frees unused data
- *****************************************************************************/
-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 );
+ intf_WarnMsg( 2, "dvd info: angle %d selected", p_area->i_angle );
+ }
+
+ /* warn interface that something has changed */
+ p_input->stream.b_seekable = 1;
+ p_input->stream.b_changed = 1;
+
+ p_input->stream.pp_programs[0]->i_synchro_state = SYNCHRO_REINIT;
+
+ return 0;
}
+
/*****************************************************************************
* DVDRead: reads data packets into the 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;
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_block_once;
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;
+ off_t i_off;
+ boolean_t b_eof;
+ boolean_t b_eot;
- 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;
/* Get an iovec pointer */
- if( ( p_vec = input_NetlistGetiovec( p_netlist ) ) == NULL )
+ if( ( p_vec = DVDGetiovec( p_netlist ) ) == NULL )
{
- intf_ErrMsg( "DVD: read error" );
+ intf_ErrMsg( "dvd error: can't get iovec" );
return -1;
}
- /* Reads from DVD */
- readv( p_input->i_handle, p_vec, p_method->i_read_once );
+ i_block_once = p_dvd->i_end_sector - p_dvd->i_sector + 1;
-#if defined( HAVE_SYS_DVDIO_H ) || defined( LINUX_DVD )
- if( p_method->b_encrypted )
+ /* Get the position of the next cell if we're at cell end */
+ if( i_block_once <= 0 )
{
- for( i=0 ; i<p_method->i_read_once ; i++ )
+ int i_angle;
+
+ p_dvd->i_cell++;
+ p_dvd->i_angle_cell++;
+
+ /* Find cell index in adress map */
+ if( DVDFindSector( p_dvd ) < 0 )
+ {
+ pp_packets[0] = NULL;
+ intf_ErrMsg( "dvd error: can't find next cell" );
+ 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 );
+
+ /* update chapter : it will be easier when we have navigation
+ * ES support */
+ if( p_dvd->i_chapter < ( p_dvd->i_chapter_nb - 1 ) )
{
- 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;
+ if( title.p_cell_play[p_dvd->i_prg_cell].i_category & 0xf000 )
+ {
+ i_angle = p_dvd->i_angle - 1;
+ }
+ else
+ {
+ i_angle = 0;
+ }
+ if( title.chapter_map.pi_start_cell[p_dvd->i_chapter] <=
+ ( p_dvd->i_prg_cell - i_angle + 1 ) )
+ {
+ p_dvd->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;
+
+ /* the synchro has to be reinitialized when we change cell */
+ p_input->stream.pp_programs[0]->i_synchro_state = SYNCHRO_REINIT;
+
+ vlc_mutex_unlock( &p_input->stream.stream_lock );
+
+ i_block_once = p_dvd->i_end_sector - p_dvd->i_sector + 1;
}
-#endif
+
+ /* the number of blocks read is the maw between the requested
+ * value and the leaving block in the cell */
+ if( i_block_once > p_dvd->i_block_once )
+ {
+ i_block_once = p_dvd->i_block_once;
+ }
+//intf_WarnMsg( 2, "Sector: 0x%x Read: %d Chapter: %d", p_dvd->i_sector, i_block_once, p_dvd->i_chapter );
+
+ p_netlist->i_read_once = i_block_once;
+
+ /* Reads from DVD */
+ i_read_bytes = readv( p_dvd->i_fd, p_vec, 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;
+
+ pp_packets[i_packet]->p_next = NULL;
+ pp_packets[i_packet]->b_discard_payload = 0;
+
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 += i_read_bytes;
+ b_eot = !( p_input->stream.p_selected_area->i_tell < p_dvd->i_size );
+ b_eof = b_eot && ( ( p_dvd->i_title + 1 ) >= p_input->stream.i_area_nb );
+
vlc_mutex_unlock( &p_input->stream.stream_lock );
- return( 0 );
-}
+ if( b_eof )
+ {
+ return 1;
+ }
+
+ if( b_eot )
+ {
+ intf_WarnMsg( 4, "dvd info: new title" );
+ p_dvd->i_title++;
+ vlc_mutex_lock( &p_input->stream.stream_lock );
+ DVDSetArea( p_input, p_input->stream.pp_areas[p_dvd->i_title] );
+ vlc_mutex_unlock( &p_input->stream.stream_lock );
+ return 0;
+ }
+
+ if( i_read_blocks == i_block_once )
+ {
+ return 0;
+ }
+ return -1;
+}
/*****************************************************************************
* DVDRewind : reads a stream backward
}
/*****************************************************************************
- * 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
+ * DVDSeek : 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 DVDSeek( input_thread_t * p_input, off_t i_off )
{
- thread_dvd_data_t * p_method;
+ thread_dvd_data_t * p_dvd;
off_t i_pos;
+ int i_prg_cell;
+ int i_cell;
+ int i_chapter;
+ int i_angle;
- p_method = ( thread_dvd_data_t * )p_input->p_plugin_data;
+ p_dvd = ( thread_dvd_data_t * )p_input->p_plugin_data;
+
+ /* we have to take care of offset of beginning of title */
+ i_pos = i_off + p_input->stream.p_selected_area->i_start
+ - p_dvd->i_title_start;
+
+ /* update navigation data */
+ p_dvd->i_sector = i_pos >> 11;
+
+ i_prg_cell = 0;
+ i_chapter = 0;
+
+ /* parse vobu address map to find program cell */
+ while( title.p_cell_play[i_prg_cell].i_end_sector < p_dvd->i_sector )
+ {
+ i_prg_cell++;
+ }
+
+ p_dvd->i_prg_cell = i_prg_cell;
- /* We have to take care of offset of beginning of title */
- i_pos = i_off + p_method->i_start_byte;
+ if( DVDChooseAngle( p_dvd ) < 0 )
+ {
+ p_input->b_error = 1;
+ return;
+ }
+
+ p_dvd->i_cell = 0;
+
+ /* Find first title cell which is inside program cell */
+ if( DVDFindCell( p_dvd ) < 0 )
+ {
+ /* no following cell : we're at eof */
+ intf_ErrMsg( "dvd error: cell seeking failed" );
+ p_input->b_error = 1;
+ return;
+ }
- /* With DVD, we have to be on a sector boundary */
- i_pos = i_pos & (~0x7ff);
+ i_cell = p_dvd->i_cell;
+
+#define cell p_dvd->p_ifo->vts.cell_inf.p_cell_map[i_cell]
+ /* parse cell address map to find title cell containing sector */
+ while( cell.i_end_sector < p_dvd->i_sector )
+ {
+ i_cell++;
+ }
+
+ p_dvd->i_cell = i_cell;
+
+ /* if we're inside a multi-angle zone, we have to choose i_sector
+ * in the current angle ; we can't do it all the time since cells
+ * can be very wide out of such zones */
+ if( title.p_cell_play[p_dvd->i_prg_cell].i_category & 0xf000 )
+ {
+ p_dvd->i_sector = MAX(
+ cell.i_start_sector,
+ title.p_cell_play[p_dvd->i_prg_cell].i_start_sector );
+ }
+
+ p_dvd->i_end_sector = MIN(
+ cell.i_end_sector,
+ title.p_cell_play[p_dvd->i_prg_cell].i_end_sector );
+#undef cell
+ /* update chapter */
+ if( title.p_cell_play[p_dvd->i_prg_cell].i_category & 0xf000 )
+ {
+ i_angle = p_dvd->i_angle - 1;
+ }
+ else
+ {
+ i_angle = 0;
+ }
+ while( ( title.chapter_map.pi_start_cell[i_chapter] <=
+ ( p_dvd->i_prg_cell - i_angle + 1 ) ) &&
+ ( i_chapter < ( p_dvd->i_chapter_nb - 1 ) ) )
+ {
+ i_chapter++;
+ }
- i_pos = lseek( p_input->i_handle, i_pos, SEEK_SET );
+ p_dvd->i_chapter = i_chapter;
+ p_input->stream.p_selected_area->i_part = p_dvd->i_chapter;
- p_input->stream.i_tell = i_pos - p_method->i_start_byte;
+ p_input->stream.p_selected_area->i_tell =
+ lseek( p_dvd->i_fd, p_dvd->i_title_start +
+ (off_t)( p_dvd->i_sector ) *DVD_LB_SIZE, SEEK_SET ) -
+ p_input->stream.p_selected_area->i_start;
+/*
+ intf_WarnMsg( 3, "Program Cell: %d Cell: %d Chapter: %d",
+ p_dvd->i_prg_cell, p_dvd->i_cell, p_dvd->i_chapter );
+*/
return;
}
+
+#define cell p_dvd->p_ifo->vts.cell_inf
+
+/*****************************************************************************
+ * DVDFindCell: adjust the title cell index with the program cell
+ *****************************************************************************/
+static int DVDFindCell( thread_dvd_data_t * p_dvd )
+{
+ int i_cell;
+ int i_index;
+
+ i_cell = p_dvd->i_cell;
+ i_index = p_dvd->i_prg_cell;
+
+ if( i_cell >= cell.i_cell_nb )
+ {
+ return -1;
+ }
+
+ while( ( ( title.p_cell_pos[i_index].i_vob_id !=
+ cell.p_cell_map[i_cell].i_vob_id ) ||
+ ( title.p_cell_pos[i_index].i_cell_id !=
+ cell.p_cell_map[i_cell].i_cell_id ) ) &&
+ ( i_cell < cell.i_cell_nb - 1 ) )
+ {
+ i_cell++;
+ }
+
+/*
+intf_WarnMsg( 3, "FindCell: i_cell %d i_index %d found %d nb %d",
+ p_dvd->i_cell,
+ p_dvd->i_prg_cell,
+ i_cell,
+ cell.i_cell_nb );
+*/
+
+ p_dvd->i_cell = i_cell;
+
+ return 0;
+}
+
+#undef cell
+
+/*****************************************************************************
+ * 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 )
+{
+
+ if( p_dvd->i_sector > title.p_cell_play[p_dvd->i_prg_cell].i_end_sector )
+ {
+ p_dvd->i_prg_cell++;
+
+ if( DVDChooseAngle( p_dvd ) < 0 )
+ {
+ return -1;
+ }
+ }
+
+ if( DVDFindCell( p_dvd ) < 0 )
+ {
+ intf_ErrMsg( "dvd error: can't find sector" );
+ return -1;
+ }
+
+ /* Find start and end sectors of new cell */
+#if 1
+ p_dvd->i_sector = MAX(
+ p_dvd->p_ifo->vts.cell_inf.p_cell_map[p_dvd->i_cell].i_start_sector,
+ title.p_cell_play[p_dvd->i_prg_cell].i_start_sector );
+ p_dvd->i_end_sector = MIN(
+ p_dvd->p_ifo->vts.cell_inf.p_cell_map[p_dvd->i_cell].i_end_sector,
+ title.p_cell_play[p_dvd->i_prg_cell].i_end_sector );
+#else
+ p_dvd->i_sector = title.p_cell_play[p_dvd->i_prg_cell].i_start_sector;
+ p_dvd->i_end_sector = title.p_cell_play[p_dvd->i_prg_cell].i_end_sector;
+#endif
+
+/*
+ intf_WarnMsg( 3, "cell: %d sector1: 0x%x end1: 0x%x\n"
+ "index: %d sector2: 0x%x end2: 0x%x\n"
+ "category: 0x%x ilvu end: 0x%x vobu start 0x%x",
+ p_dvd->i_cell,
+ p_dvd->p_ifo->vts.cell_inf.p_cell_map[p_dvd->i_cell].i_start_sector,
+ p_dvd->p_ifo->vts.cell_inf.p_cell_map[p_dvd->i_cell].i_end_sector,
+ p_dvd->i_prg_cell,
+ title.p_cell_play[p_dvd->i_prg_cell].i_start_sector,
+ title.p_cell_play[p_dvd->i_prg_cell].i_end_sector,
+ title.p_cell_play[p_dvd->i_prg_cell].i_category,
+ title.p_cell_play[p_dvd->i_prg_cell].i_first_ilvu_vobu_esector,
+ title.p_cell_play[p_dvd->i_prg_cell].i_last_vobu_start_sector );
+*/
+
+ return 0;
+}
+
+/*****************************************************************************
+ * DVDChapterSelect: find the cell corresponding to requested chapter
+ *****************************************************************************/
+static int DVDChapterSelect( thread_dvd_data_t * p_dvd, int i_chapter )
+{
+
+ /* Find cell index in Program chain for current chapter */
+ p_dvd->i_prg_cell = title.chapter_map.pi_start_cell[i_chapter-1] - 1;
+ p_dvd->i_cell = 0;
+ p_dvd->i_sector = 0;
+
+ DVDChooseAngle( p_dvd );
+
+ /* Search for cell_index in cell adress_table and initialize
+ * start sector */
+ if( DVDFindSector( p_dvd ) < 0 )
+ {
+ intf_ErrMsg( "dvd error: can't select chapter" );
+ return -1;
+ }
+
+ /* 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 );
+
+ /* Position the fd pointer on the right address */
+ p_dvd->i_start = lseek( p_dvd->i_fd, p_dvd->i_start, SEEK_SET );
+
+ p_dvd->i_chapter = i_chapter;
+ return 0;
+}
+
+/*****************************************************************************
+ * DVDChooseAngle: select the cell corresponding to the selected angle
+ *****************************************************************************/
+static int DVDChooseAngle( thread_dvd_data_t * p_dvd )
+{
+ /* basic handling of angles */
+ switch( ( ( title.p_cell_play[p_dvd->i_prg_cell].i_category & 0xf000 )
+ >> 12 ) )
+ {
+ /* we enter a muli-angle section */
+ case 0x5:
+ p_dvd->i_prg_cell += p_dvd->i_angle - 1;
+ p_dvd->i_angle_cell = 0;
+ break;
+ /* we exit a multi-angle section */
+ case 0x9:
+ case 0xd:
+ p_dvd->i_prg_cell += p_dvd->i_angle_nb - p_dvd->i_angle;
+ break;
+ }
+
+ return 0;
+}
+
+#undef title
projects / vlc / blobdiff