/*****************************************************************************
* dvdnav.c: DVD module using the dvdnav library.
*****************************************************************************
- * Copyright (C) 2004 the VideoLAN team
+ * Copyright (C) 2004-2009 the VideoLAN team
* $Id$
*
* Authors: Laurent Aimar <fenrir@via.ecp.fr>
* 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., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
+ * 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.,
+ * 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
/*****************************************************************************
* Preamble
*****************************************************************************/
-#include <vlc/vlc.h>
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include <assert.h>
+#include <vlc_common.h>
+#include <vlc_plugin.h>
#include <vlc_input.h>
#include <vlc_access.h>
#include <vlc_demux.h>
+#include <vlc_charset.h>
+#include <vlc_fs.h>
+#include <vlc_url.h>
-#include <vlc_interface.h>
+#include <vlc_dialog.h>
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
-#ifdef HAVE_SYS_TYPES_H
-# include <sys/types.h>
-#endif
+#include <sys/types.h>
#ifdef HAVE_SYS_STAT_H
# include <sys/stat.h>
#endif
# include <fcntl.h>
#endif
-#include "vlc_keys.h"
-#include "iso_lang.h"
+#include <vlc_keys.h>
+#include <vlc_iso_lang.h>
/* FIXME we should find a better way than including that */
#include "../../src/text/iso-639_def.h"
static int Open ( vlc_object_t * );
static void Close( vlc_object_t * );
-vlc_module_begin();
- set_shortname( _("DVD with menus") );
- set_description( _("DVDnav Input") );
- set_category( CAT_INPUT );
- set_subcategory( SUBCAT_INPUT_ACCESS );
+vlc_module_begin ()
+ set_shortname( N_("DVD with menus") )
+ set_description( N_("DVDnav Input") )
+ set_category( CAT_INPUT )
+ set_subcategory( SUBCAT_INPUT_ACCESS )
add_integer( "dvdnav-angle", 1, NULL, ANGLE_TEXT,
- ANGLE_LONGTEXT, VLC_FALSE );
+ ANGLE_LONGTEXT, false )
add_integer( "dvdnav-caching", DEFAULT_PTS_DELAY / 1000, NULL,
- CACHING_TEXT, CACHING_LONGTEXT, VLC_TRUE );
- add_bool( "dvdnav-menu", VLC_TRUE, NULL,
- MENU_TEXT, MENU_LONGTEXT, VLC_FALSE );
- set_capability( "access_demux", 5 );
- add_shortcut( "dvd" );
- add_shortcut( "dvdnav" );
- set_callbacks( Open, Close );
-vlc_module_end();
+ CACHING_TEXT, CACHING_LONGTEXT, true )
+ add_bool( "dvdnav-menu", true, NULL,
+ MENU_TEXT, MENU_LONGTEXT, false )
+ set_capability( "access_demux", 5 )
+ add_shortcut( "dvd", "dvdnav", "file" )
+ set_callbacks( Open, Close )
+vlc_module_end ()
/* Shall we use libdvdnav's read ahead cache? */
#define DVD_READ_CACHE 1
/*****************************************************************************
* Local prototypes
*****************************************************************************/
-typedef struct
-{
- VLC_COMMON_MEMBERS
-
- demux_t *p_demux;
- vlc_mutex_t lock;
-
- vlc_bool_t b_moved;
- vlc_bool_t b_clicked;
- vlc_bool_t b_key;
-
- vlc_bool_t b_still;
- int64_t i_still_end;
-
-} event_thread_t;
-
-static int EventThread( vlc_object_t * );
-
struct demux_sys_t
{
dvdnav_t *dvdnav;
+ /* */
+ bool b_reset_pcr;
+
+ struct
+ {
+ bool b_created;
+ bool b_enabled;
+ vlc_mutex_t lock;
+ vlc_timer_t timer;
+ } still;
+
/* track */
ps_track_t tk[PS_TK_COUNT];
int i_mux_rate;
input_thread_t *p_input;
/* event */
- event_thread_t *p_ev;
+ vlc_object_t *p_vout;
/* palette for menus */
uint32_t clut[16];
uint8_t palette[4][4];
- vlc_bool_t b_spu_change;
+ bool b_spu_change;
- /* */
- int i_aspect;
+ /* Aspect ration */
+ struct {
+ unsigned i_num;
+ unsigned i_den;
+ } sar;
+ /* */
int i_title;
input_title_t **title;
/* lenght of program group chain */
mtime_t i_pgc_length;
+ int i_vobu_index;
+ int i_vobu_flush;
};
static int Control( demux_t *, int, va_list );
static int Demux( demux_t * );
-static int DemuxBlock( demux_t *, uint8_t *, int );
+static int DemuxBlock( demux_t *, const uint8_t *, int );
+static void DemuxForceStill( demux_t * );
static void DemuxTitles( demux_t * );
static void ESSubtitleUpdate( demux_t * );
-static void ButtonUpdate( demux_t *, vlc_bool_t );
+static void ButtonUpdate( demux_t *, bool );
static void ESNew( demux_t *, int );
static int ProbeDVD( demux_t *, char * );
static char *DemuxGetLanguageCode( demux_t *p_demux, const char *psz_var );
+static int ControlInternal( demux_t *, int, ... );
+
+static void StillTimer( void * );
+
+static int EventKey( vlc_object_t *, char const *,
+ vlc_value_t, vlc_value_t, void * );
+static int EventMouse( vlc_object_t *, char const *,
+ vlc_value_t, vlc_value_t, void * );
+static int EventIntf( vlc_object_t *, char const *,
+ vlc_value_t, vlc_value_t, void * );
+
/*****************************************************************************
* DemuxOpen:
*****************************************************************************/
int i_angle;
char *psz_name;
char *psz_code;
- vlc_value_t val;
- if( !p_demux->psz_path || !*p_demux->psz_path )
+ if( !p_demux->psz_file || !*p_demux->psz_file )
{
/* Only when selected */
- if( !p_this->b_force ) return VLC_EGENERIC;
+ if( !p_demux->psz_access || !*p_demux->psz_access )
+ return VLC_EGENERIC;
psz_name = var_CreateGetString( p_this, "dvd" );
if( !psz_name )
}
}
else
- psz_name = strdup( p_demux->psz_path );
+ psz_name = ToLocaleDup( p_demux->psz_file );
#ifdef WIN32
- if( psz_name[0] && psz_name[1] == ':' &&
- psz_name[2] == '\\' && psz_name[3] == '\0' ) psz_name[2] = '\0';
+ /* Remove trailing backslash, otherwise dvdnav_open will fail */
+ if( *psz_name && *(psz_name + strlen(psz_name) - 1) == '\\' )
+ {
+ *(psz_name + strlen(psz_name) - 1) = '\0';
+ }
#endif
/* Try some simple probing to avoid going through dvdnav_open too often */
free( psz_name );
/* Fill p_demux field */
- STANDARD_DEMUX_INIT; p_sys = p_demux->p_sys;
+ DEMUX_INIT_COMMON(); p_sys = p_demux->p_sys;
p_sys->dvdnav = p_dvdnav;
+ p_sys->b_reset_pcr = false;
ps_track_init( p_sys->tk );
- p_sys->i_aspect = -1;
+ p_sys->sar.i_num = 0;
+ p_sys->sar.i_den = 0;
p_sys->i_mux_rate = 0;
p_sys->i_pgc_length = 0;
- p_sys->b_spu_change = VLC_FALSE;
+ p_sys->b_spu_change = false;
+ p_sys->i_vobu_index = 0;
+ p_sys->i_vobu_flush = 0;
if( 1 )
{
msg_Warn( p_demux, "cannot set PGC positioning flag" );
}
- /* Set menu language ("en")
- * XXX: maybe it would be better to set it like audio/spu
- * or to create a --menu-language option */
- if( dvdnav_menu_language_select( p_sys->dvdnav, LANGUAGE_DEFAULT ) !=
+ /* Set menu language
+ * XXX A menu-language may be better than sub-language */
+ psz_code = DemuxGetLanguageCode( p_demux, "sub-language" );
+ if( dvdnav_menu_language_select( p_sys->dvdnav, psz_code ) !=
DVDNAV_STATUS_OK )
{
msg_Warn( p_demux, "can't set menu language to '%s' (%s)",
- LANGUAGE_DEFAULT, dvdnav_err_to_string( p_sys->dvdnav ) );
+ psz_code, dvdnav_err_to_string( p_sys->dvdnav ) );
+ /* We try to fall back to 'en' */
+ if( strcmp( psz_code, LANGUAGE_DEFAULT ) )
+ dvdnav_menu_language_select( p_sys->dvdnav, (char*)LANGUAGE_DEFAULT );
}
+ free( psz_code );
/* Set audio language */
psz_code = DemuxGetLanguageCode( p_demux, "audio-language" );
psz_code, dvdnav_err_to_string( p_sys->dvdnav ) );
/* We try to fall back to 'en' */
if( strcmp( psz_code, LANGUAGE_DEFAULT ) )
- dvdnav_audio_language_select( p_sys->dvdnav, LANGUAGE_DEFAULT );
+ dvdnav_audio_language_select( p_sys->dvdnav, (char*)LANGUAGE_DEFAULT );
}
free( psz_code );
psz_code, dvdnav_err_to_string( p_sys->dvdnav ) );
/* We try to fall back to 'en' */
if( strcmp( psz_code, LANGUAGE_DEFAULT ) )
- dvdnav_spu_language_select(p_sys->dvdnav, LANGUAGE_DEFAULT );
+ dvdnav_spu_language_select(p_sys->dvdnav, (char*)LANGUAGE_DEFAULT );
}
free( psz_code );
DemuxTitles( p_demux );
- var_Create( p_demux, "dvdnav-menu", VLC_VAR_BOOL|VLC_VAR_DOINHERIT );
- var_Get( p_demux, "dvdnav-menu", &val );
- if( val.b_bool )
+ if( var_CreateGetBool( p_demux, "dvdnav-menu" ) )
{
msg_Dbg( p_demux, "trying to go to dvd menu" );
if( dvdnav_title_play( p_sys->dvdnav, 1 ) != DVDNAV_STATUS_OK )
{
msg_Err( p_demux, "cannot set title (can't decrypt DVD?)" );
- intf_UserFatal( p_demux, VLC_FALSE, _("Playback failure"),
+ dialog_Fatal( p_demux, _("Playback failure"), "%s",
_("VLC cannot set the DVD's title. It possibly "
- "cannot decrypt the entire disk.") );
+ "cannot decrypt the entire disc.") );
dvdnav_close( p_sys->dvdnav );
free( p_sys );
return VLC_EGENERIC;
}
}
- var_Create( p_demux, "dvdnav-angle", VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
- var_Get( p_demux, "dvdnav-angle", &val );
- i_angle = val.i_int > 0 ? val.i_int : 1;
+ i_angle = var_CreateGetInteger( p_demux, "dvdnav-angle" );
+ if( i_angle <= 0 ) i_angle = 1;
/* Update default_pts to a suitable value for dvdnav access */
var_Create( p_demux, "dvdnav-caching", VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
/* FIXME hack hack hack hack FIXME */
/* Get p_input and create variable */
- p_sys->p_input = vlc_object_find( p_demux, VLC_OBJECT_INPUT, FIND_PARENT );
+ p_sys->p_input = demux_GetParentInput( p_demux );
var_Create( p_sys->p_input, "x-start", VLC_VAR_INTEGER );
var_Create( p_sys->p_input, "y-start", VLC_VAR_INTEGER );
var_Create( p_sys->p_input, "x-end", VLC_VAR_INTEGER );
var_Create( p_sys->p_input, "highlight", VLC_VAR_BOOL );
var_Create( p_sys->p_input, "highlight-mutex", VLC_VAR_MUTEX );
- /* Now create our event thread catcher */
- p_sys->p_ev = vlc_object_create( p_demux, sizeof( event_thread_t ) );
- p_sys->p_ev->p_demux = p_demux;
- vlc_thread_create( p_sys->p_ev, "dvdnav event thread handler", EventThread,
- VLC_THREAD_PRIORITY_LOW, VLC_FALSE );
+ /* catch all key event */
+ var_AddCallback( p_demux->p_libvlc, "key-action", EventKey, p_demux );
+ /* catch vout creation event */
+ var_AddCallback( p_sys->p_input, "intf-event", EventIntf, p_demux );
+
+ p_sys->still.b_enabled = false;
+ vlc_mutex_init( &p_sys->still.lock );
+ if( !vlc_timer_create( &p_sys->still.timer, StillTimer, p_sys ) )
+ p_sys->still.b_created = true;
return VLC_SUCCESS;
}
demux_sys_t *p_sys = p_demux->p_sys;
int i;
- /* stop the event handler */
- vlc_object_kill( p_sys->p_ev );
- vlc_thread_join( p_sys->p_ev );
- vlc_object_destroy( p_sys->p_ev );
+ /* Stop vout event handler */
+ var_DelCallback( p_sys->p_input, "intf-event", EventIntf, p_demux );
+ if( p_sys->p_vout != NULL )
+ { /* Should not happen, but better be safe than sorry. */
+ msg_Warn( p_sys->p_vout, "removing dangling mouse DVD callbacks" );
+ var_DelCallback( p_sys->p_vout, "mouse-moved", EventMouse, p_demux );
+ var_DelCallback( p_sys->p_vout, "mouse-clicked", EventMouse, p_demux );
+ }
+
+ /* Stop key event handler (FIXME: should really be per-vout too) */
+ var_DelCallback( p_demux->p_libvlc, "key-action", EventKey, p_demux );
+
+ /* Stop still image handler */
+ if( p_sys->still.b_created )
+ vlc_timer_destroy( p_sys->still.timer );
+ vlc_mutex_destroy( &p_sys->still.lock );
var_Destroy( p_sys->p_input, "highlight-mutex" );
var_Destroy( p_sys->p_input, "highlight" );
}
}
+ /* Free the array of titles */
+ for( int i = 0; i < p_sys->i_title; i++ )
+ vlc_input_title_Delete( p_sys->title[i] );
+ TAB_CLEAN( p_sys->i_title, p_sys->title );
+
dvdnav_close( p_sys->dvdnav );
free( p_sys );
}
static int Control( demux_t *p_demux, int i_query, va_list args )
{
demux_sys_t *p_sys = p_demux->p_sys;
- double f, *pf;
- vlc_bool_t *pb;
- int64_t *pi64;
input_title_t ***ppp_title;
- int *pi_int;
int i;
switch( i_query )
return VLC_EGENERIC;
}
- if( i_query == DEMUX_GET_POSITION )
+ switch( i_query )
{
- pf = (double*)va_arg( args, double* );
- *pf = (double)pos / (double)len;
+ case DEMUX_GET_POSITION:
+ *va_arg( args, double* ) = (double)pos / (double)len;
return VLC_SUCCESS;
- }
- else if( i_query == DEMUX_SET_POSITION )
- {
- f = (double)va_arg( args, double );
- pos = f * len;
+
+ case DEMUX_SET_POSITION:
+ pos = va_arg( args, double ) * len;
if( dvdnav_sector_search( p_sys->dvdnav, pos, SEEK_SET ) ==
DVDNAV_STATUS_OK )
{
return VLC_SUCCESS;
}
- }
- else if( i_query == DEMUX_GET_TIME )
- {
- pi64 = (int64_t*)va_arg( args, int64_t * );
+ break;
+
+ case DEMUX_GET_TIME:
if( p_sys->i_pgc_length > 0 )
{
- *pi64 = p_sys->i_pgc_length * pos / len;
+ *va_arg( args, int64_t * ) = p_sys->i_pgc_length*pos/len;
return VLC_SUCCESS;
}
- }
- else if( i_query == DEMUX_GET_LENGTH )
- {
- pi64 = (int64_t*)va_arg( args, int64_t * );
+ break;
+
+ case DEMUX_GET_LENGTH:
if( p_sys->i_pgc_length > 0 )
{
- *pi64 = (int64_t)p_sys->i_pgc_length;
+ *va_arg( args, int64_t * ) = (int64_t)p_sys->i_pgc_length;
return VLC_SUCCESS;
}
+ break;
}
-
return VLC_EGENERIC;
}
/* Special for access_demux */
case DEMUX_CAN_PAUSE:
+ case DEMUX_CAN_SEEK:
case DEMUX_CAN_CONTROL_PACE:
/* TODO */
- pb = (vlc_bool_t*)va_arg( args, vlc_bool_t * );
- *pb = VLC_TRUE;
+ *va_arg( args, bool * ) = true;
return VLC_SUCCESS;
case DEMUX_SET_PAUSE_STATE:
return VLC_SUCCESS;
case DEMUX_GET_TITLE_INFO:
- ppp_title = (input_title_t***)va_arg( args, input_title_t*** );
- pi_int = (int*)va_arg( args, int* );
- *((int*)va_arg( args, int* )) = 0; /* Title offset */
- *((int*)va_arg( args, int* )) = 1; /* Chapter offset */
+ ppp_title = va_arg( args, input_title_t*** );
+ *va_arg( args, int* ) = p_sys->i_title;
+ *va_arg( args, int* ) = 0; /* Title offset */
+ *va_arg( args, int* ) = 1; /* Chapter offset */
/* Duplicate title infos */
- *pi_int = p_sys->i_title;
*ppp_title = malloc( sizeof( input_title_t ** ) * p_sys->i_title );
for( i = 0; i < p_sys->i_title; i++ )
{
return VLC_SUCCESS;
case DEMUX_SET_SEEKPOINT:
- i = (int)va_arg( args, int );
+ i = va_arg( args, int );
if( p_demux->info.i_title == 0 )
{
- int i_ret;
- /* Special case */
- switch( i )
- {
- case 0:
- i_ret = dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Escape );
- break;
- case 1:
- i_ret = dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Root );
- break;
- case 2:
- i_ret = dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Title );
- break;
- case 3:
- i_ret = dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Part );
- break;
- case 4:
- i_ret = dvdnav_menu_call( p_sys->dvdnav,
- DVD_MENU_Subpicture );
- break;
- case 5:
- i_ret = dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Audio );
- break;
- case 6:
- i_ret = dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Angle );
- break;
- default:
- return VLC_EGENERIC;
- }
-
- if( i_ret != DVDNAV_STATUS_OK )
+ static const int argtab[] = {
+ DVD_MENU_Escape,
+ DVD_MENU_Root,
+ DVD_MENU_Title,
+ DVD_MENU_Part,
+ DVD_MENU_Subpicture,
+ DVD_MENU_Audio,
+ DVD_MENU_Angle
+ };
+ enum { numargs = sizeof(argtab)/sizeof(int) };
+ if( (unsigned)i >= numargs || DVDNAV_STATUS_OK !=
+ dvdnav_menu_call(p_sys->dvdnav,argtab[i]) )
return VLC_EGENERIC;
}
else if( dvdnav_part_play( p_sys->dvdnav, p_demux->info.i_title,
return VLC_SUCCESS;
case DEMUX_GET_PTS_DELAY:
- pi64 = (int64_t*)va_arg( args, int64_t * );
- *pi64 = (int64_t)var_GetInteger( p_demux, "dvdnav-caching" ) *1000;
+ *va_arg( args, int64_t * )
+ = (int64_t)var_GetInteger( p_demux, "dvdnav-caching" ) *1000;
return VLC_SUCCESS;
case DEMUX_GET_META:
}
}
+static int ControlInternal( demux_t *p_demux, int i_query, ... )
+{
+ va_list args;
+ int i_result;
+
+ va_start( args, i_query );
+ i_result = Control( p_demux, i_query, args );
+ va_end( args );
+
+ return i_result;
+}
/*****************************************************************************
* Demux:
*****************************************************************************/
{
msg_Warn( p_demux, "cannot get next block (%s)",
dvdnav_err_to_string( p_sys->dvdnav ) );
+ if( p_demux->info.i_title == 0 )
+ {
+ msg_Dbg( p_demux, "jumping to first title" );
+ return ControlInternal( p_demux, DEMUX_SET_TITLE, 1 ) == VLC_SUCCESS ? 1 : -1;
+ }
return -1;
}
switch( i_event )
{
case DVDNAV_BLOCK_OK: /* mpeg block */
+ vlc_mutex_lock( &p_sys->still.lock );
+ vlc_timer_schedule( p_sys->still.timer, false, 0, 0 );
+ p_sys->still.b_enabled = false;
+ vlc_mutex_unlock( &p_sys->still.lock );
+ if( p_sys->b_reset_pcr )
+ {
+ es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
+ p_sys->b_reset_pcr = false;
+ }
DemuxBlock( p_demux, packet, i_len );
+ if( p_sys->i_vobu_index > 0 )
+ {
+ if( p_sys->i_vobu_flush == p_sys->i_vobu_index )
+ DemuxForceStill( p_demux );
+ p_sys->i_vobu_index++;
+ }
break;
case DVDNAV_NOP: /* Nothing */
case DVDNAV_STILL_FRAME:
{
dvdnav_still_event_t *event = (dvdnav_still_event_t*)packet;
- vlc_mutex_lock( &p_sys->p_ev->lock );
- if( !p_sys->p_ev->b_still )
+ bool b_still_init = false;
+
+ vlc_mutex_lock( &p_sys->still.lock );
+ if( !p_sys->still.b_enabled )
{
msg_Dbg( p_demux, "DVDNAV_STILL_FRAME" );
msg_Dbg( p_demux, " - length=0x%x", event->length );
- p_sys->p_ev->b_still = VLC_TRUE;
- if( event->length == 0xff )
- {
- p_sys->p_ev->i_still_end = 0;
- }
- else
+ p_sys->still.b_enabled = true;
+
+ if( event->length != 0xff && p_sys->still.b_created )
{
- p_sys->p_ev->i_still_end = (int64_t)event->length *
- 1000000 + mdate() + p_sys->p_input->i_pts_delay;
+ mtime_t delay = event->length * CLOCK_FREQ;
+ vlc_timer_schedule( p_sys->still.timer, false, delay, 0 );
}
+
+ b_still_init = true;
+ }
+ vlc_mutex_unlock( &p_sys->still.lock );
+
+ if( b_still_init )
+ {
+ DemuxForceStill( p_demux );
+ p_sys->b_reset_pcr = true;
}
- vlc_mutex_unlock( &p_sys->p_ev->lock );
msleep( 40000 );
break;
}
event->physical_pan_scan );
ESSubtitleUpdate( p_demux );
- p_sys->b_spu_change = VLC_TRUE;
+ p_sys->b_spu_change = true;
/* HACK to get the SPU tracks registered in the right order */
for( i = 0; i < 0x1f; i++ )
msg_Dbg( p_demux, " - vtsN=%d", event->new_vtsN );
msg_Dbg( p_demux, " - domain=%d", event->new_domain );
- /* dvdnav_get_video_aspect / dvdnav_get_video_scale_permission */
- /* TODO check if we always have VTS and CELL */
- p_sys->i_aspect = dvdnav_get_video_aspect( p_sys->dvdnav );
-
/* reset PCR */
es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
es_format_Clean( &tk->fmt );
if( tk->es ) es_out_Del( p_demux->out, tk->es );
}
- tk->b_seen = VLC_FALSE;
+ tk->b_seen = false;
}
+#if defined(HAVE_DVDNAV_GET_VIDEO_RESOLUTION)
+ uint32_t i_width, i_height;
+ if( dvdnav_get_video_resolution( p_sys->dvdnav,
+ &i_width, &i_height ) )
+ i_width = i_height = 0;
+ switch( dvdnav_get_video_aspect( p_sys->dvdnav ) )
+ {
+ case 0:
+ p_sys->sar.i_num = 4 * i_height;
+ p_sys->sar.i_den = 3 * i_width;
+ break;
+ case 3:
+ p_sys->sar.i_num = 16 * i_height;
+ p_sys->sar.i_den = 9 * i_width;
+ break;
+ default:
+ p_sys->sar.i_num = 0;
+ p_sys->sar.i_den = 0;
+ break;
+ }
+#endif
+
if( dvdnav_current_title_info( p_sys->dvdnav, &i_title,
&i_part ) == DVDNAV_STATUS_OK )
{
msg_Dbg( p_demux, "DVDNAV_CELL_CHANGE" );
msg_Dbg( p_demux, " - cellN=%d", event->cellN );
msg_Dbg( p_demux, " - pgN=%d", event->pgN );
- msg_Dbg( p_demux, " - cell_length="I64Fd, event->cell_length );
- msg_Dbg( p_demux, " - pg_length="I64Fd, event->pg_length );
- msg_Dbg( p_demux, " - pgc_length="I64Fd, event->pgc_length );
- msg_Dbg( p_demux, " - cell_start="I64Fd, event->cell_start );
- msg_Dbg( p_demux, " - pg_start="I64Fd, event->pg_start );
+ msg_Dbg( p_demux, " - cell_length=%"PRId64, event->cell_length );
+ msg_Dbg( p_demux, " - pg_length=%"PRId64, event->pg_length );
+ msg_Dbg( p_demux, " - pgc_length=%"PRId64, event->pgc_length );
+ msg_Dbg( p_demux, " - cell_start=%"PRId64, event->cell_start );
+ msg_Dbg( p_demux, " - pg_start=%"PRId64, event->pg_start );
/* Store the lenght in time of the current PGC */
p_sys->i_pgc_length = event->pgc_length / 90 * 1000;
+ p_sys->i_vobu_index = 0;
+ p_sys->i_vobu_flush = 0;
/* FIXME is it correct or there is better way to know chapter change */
if( dvdnav_current_title_info( p_sys->dvdnav, &i_title,
case DVDNAV_NAV_PACKET:
{
+ p_sys->i_vobu_index = 1;
+ p_sys->i_vobu_flush = 0;
+
+ /* Look if we have need to force a flush (and when) */
+ const pci_gi_t *p_pci_gi = &dvdnav_get_current_nav_pci( p_sys->dvdnav )->pci_gi;
+ if( p_pci_gi->vobu_se_e_ptm != 0 && p_pci_gi->vobu_se_e_ptm < p_pci_gi->vobu_e_ptm )
+ {
+ const dsi_gi_t *p_dsi_gi = &dvdnav_get_current_nav_dsi( p_sys->dvdnav )->dsi_gi;
+ if( p_dsi_gi->vobu_3rdref_ea != 0 )
+ p_sys->i_vobu_flush = p_dsi_gi->vobu_3rdref_ea;
+ else if( p_dsi_gi->vobu_2ndref_ea != 0 )
+ p_sys->i_vobu_flush = p_dsi_gi->vobu_2ndref_ea;
+ else if( p_dsi_gi->vobu_1stref_ea != 0 )
+ p_sys->i_vobu_flush = p_dsi_gi->vobu_1stref_ea;
+ }
+
#ifdef DVDNAV_DEBUG
msg_Dbg( p_demux, "DVDNAV_NAV_PACKET" );
#endif
DemuxBlock( p_demux, packet, i_len );
if( p_sys->b_spu_change )
{
- ButtonUpdate( p_demux, VLC_FALSE );
- p_sys->b_spu_change = VLC_FALSE;
+ ButtonUpdate( p_demux, false );
+ p_sys->b_spu_change = false;
}
break;
}
msg_Dbg( p_demux, "DVDNAV_HIGHLIGHT" );
msg_Dbg( p_demux, " - display=%d", event->display );
msg_Dbg( p_demux, " - buttonN=%d", event->buttonN );
- ButtonUpdate( p_demux, VLC_FALSE );
+ ButtonUpdate( p_demux, false );
break;
}
case DVDNAV_HOP_CHANNEL:
msg_Dbg( p_demux, "DVDNAV_HOP_CHANNEL" );
- /* We should try to flush all our internal buffer */
+ p_sys->i_vobu_index = 0;
+ p_sys->i_vobu_flush = 0;
+ es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
break;
case DVDNAV_WAIT:
msg_Dbg( p_demux, "DVDNAV_WAIT" );
- /* reset PCR */
- es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
- dvdnav_wait_skip( p_sys->dvdnav );
+ bool b_empty;
+ es_out_Control( p_demux->out, ES_OUT_GET_EMPTY, &b_empty );
+ if( !b_empty )
+ {
+ msleep( 40*1000 );
+ }
+ else
+ {
+ dvdnav_wait_skip( p_sys->dvdnav );
+ p_sys->b_reset_pcr = true;
+ }
break;
default:
char *p;
psz_lang = var_CreateGetString( p_demux, psz_var );
+ if( !psz_lang )
+ return strdup(LANGUAGE_DEFAULT);
+
/* XXX: we will use only the first value
* (and ignore other ones in case of a list) */
- if( ( p = strchr( psz_lang, ',' ) ) ) *p = '\0';
+ if( ( p = strchr( psz_lang, ',' ) ) )
+ *p = '\0';
- for( pl = p_languages; pl->psz_iso639_1 != NULL; pl++ )
+ for( pl = p_languages; pl->psz_eng_name != NULL; pl++ )
{
+ if( *psz_lang == '\0' )
+ continue;
if( !strcasecmp( pl->psz_eng_name, psz_lang ) ||
!strcasecmp( pl->psz_native_name, psz_lang ) ||
!strcasecmp( pl->psz_iso639_1, psz_lang ) ||
free( psz_lang );
- if( pl->psz_iso639_1 != NULL )
+ if( pl->psz_eng_name != NULL )
return strdup( pl->psz_iso639_1 );
return strdup(LANGUAGE_DEFAULT);
/* Menu */
t = vlc_input_title_New();
- t->b_menu = VLC_TRUE;
+ t->b_menu = true;
t->psz_name = strdup( "DVD Menu" );
s = vlc_seekpoint_New();
/*****************************************************************************
* Update functions:
*****************************************************************************/
-static void ButtonUpdate( demux_t *p_demux, vlc_bool_t b_mode )
+static void ButtonUpdate( demux_t *p_demux, bool b_mode )
{
demux_sys_t *p_sys = p_demux->p_sys;
vlc_value_t val;
vlc_mutex_t *p_mutex = val.p_address;
dvdnav_highlight_area_t hl;
int32_t i_button;
+ bool b_button_ok;
if( dvdnav_get_current_highlight( p_sys->dvdnav, &i_button )
!= DVDNAV_STATUS_OK )
return;
}
+ b_button_ok = false;
if( i_button > 0 && i_title == 0 )
{
- int i;
pci_t *pci = dvdnav_get_current_nav_pci( p_sys->dvdnav );
- dvdnav_get_highlight_area( pci, i_button, b_mode, &hl );
+ b_button_ok = DVDNAV_STATUS_OK ==
+ dvdnav_get_highlight_area( pci, i_button, b_mode, &hl );
+ }
+ if( b_button_ok )
+ {
+ int i;
for( i = 0; i < 4; i++ )
{
uint32_t i_yuv = p_sys->clut[(hl.palette>>(16+i*4))&0x0f];
- uint8_t i_alpha = (hl.palette>>(i*4))&0x0f;
- i_alpha = i_alpha == 0xf ? 0xff : i_alpha << 4;
+ uint8_t i_alpha = ( (hl.palette>>(i*4))&0x0f ) * 0xff / 0xf;
p_sys->palette[i][0] = (i_yuv >> 16) & 0xff;
p_sys->palette[i][1] = (i_yuv >> 0) & 0xff;
}
vlc_mutex_lock( p_mutex );
- val.i_int = hl.sx; var_Set( p_sys->p_input, "x-start", val );
- val.i_int = hl.ex; var_Set( p_sys->p_input, "x-end", val );
- val.i_int = hl.sy; var_Set( p_sys->p_input, "y-start", val );
- val.i_int = hl.ey; var_Set( p_sys->p_input, "y-end", val );
+ var_SetInteger( p_sys->p_input, "x-start", hl.sx );
+ var_SetInteger( p_sys->p_input, "x-end", hl.ex );
+ var_SetInteger( p_sys->p_input, "y-start", hl.sy );
+ var_SetInteger( p_sys->p_input, "y-end", hl.ey );
- val.p_address = (void *)p_sys->palette;
- var_Set( p_sys->p_input, "menu-palette", val );
+ var_SetAddress( p_sys->p_input, "menu-palette", p_sys->palette );
- val.b_bool = VLC_TRUE; var_Set( p_sys->p_input, "highlight", val );
+ var_SetBool( p_sys->p_input, "highlight", true );
vlc_mutex_unlock( p_mutex );
msg_Dbg( p_demux, "buttonUpdate %d", i_button );
/* Show all */
vlc_mutex_lock( p_mutex );
- val.b_bool = VLC_FALSE;
- var_Set( p_sys->p_input, "highlight", val );
+ var_SetBool( p_sys->p_input, "highlight", false );
vlc_mutex_unlock( p_mutex );
}
}
int i_spu = dvdnav_get_active_spu_stream( p_sys->dvdnav );
int32_t i_title, i_part;
- ButtonUpdate( p_demux, VLC_FALSE );
+ ButtonUpdate( p_demux, false );
dvdnav_current_title_info( p_sys->dvdnav, &i_title, &i_part );
if( i_title > 0 ) return;
/* be sure to unselect it (reset) */
es_out_Control( p_demux->out, ES_OUT_SET_ES_STATE, tk->es,
- (vlc_bool_t)VLC_FALSE );
+ (bool)false );
/* now select it */
es_out_Control( p_demux->out, ES_OUT_SET_ES, tk->es );
if( tk->b_seen )
{
es_out_Control( p_demux->out, ES_OUT_SET_ES_STATE, tk->es,
- (vlc_bool_t)VLC_FALSE );
+ (bool)false );
}
}
}
/*****************************************************************************
* DemuxBlock: demux a given block
*****************************************************************************/
-static int DemuxBlock( demux_t *p_demux, uint8_t *pkt, int i_pkt )
+static int DemuxBlock( demux_t *p_demux, const uint8_t *pkt, int i_pkt )
{
demux_sys_t *p_sys = p_demux->p_sys;
- uint8_t *p = pkt;
+ const uint8_t *p = pkt;
- while( p < &pkt[i_pkt] )
+ while( (p - pkt) <= (i_pkt - 6) )
{
+ /* ps_pkt_size() needs at least 6 bytes */
int i_size = ps_pkt_size( p, &pkt[i_pkt] - p );
- block_t *p_pkt;
if( i_size <= 0 )
{
break;
}
/* Create a block */
- p_pkt = block_New( p_demux, i_size );
+ block_t *p_pkt = block_New( p_demux, i_size );
memcpy( p_pkt->p_buffer, p, i_size);
/* Parse it and send it */
int i_mux_rate;
if( !ps_pkt_parse_pack( p_pkt, &i_scr, &i_mux_rate ) )
{
- es_out_Control( p_demux->out, ES_OUT_SET_PCR, i_scr );
+ es_out_Control( p_demux->out, ES_OUT_SET_PCR, i_scr + 1 );
if( i_mux_rate > 0 ) p_sys->i_mux_rate = i_mux_rate;
}
block_Release( p_pkt );
return VLC_SUCCESS;
}
+/*****************************************************************************
+ * Force still images to be displayed by sending EOS and stopping buffering.
+ *****************************************************************************/
+static void DemuxForceStill( demux_t *p_demux )
+{
+ static const uint8_t buffer[] = {
+ 0x00, 0x00, 0x01, 0xe0, 0x00, 0x07,
+ 0x80, 0x00, 0x00,
+ 0x00, 0x00, 0x01, 0xB7,
+ };
+ DemuxBlock( p_demux, buffer, sizeof(buffer) );
+
+ bool b_empty;
+ es_out_Control( p_demux->out, ES_OUT_GET_EMPTY, &b_empty );
+}
+
/*****************************************************************************
* ESNew: register a new elementary stream
*****************************************************************************/
{
demux_sys_t *p_sys = p_demux->p_sys;
ps_track_t *tk = &p_sys->tk[PS_ID_TO_TK(i_id)];
- vlc_bool_t b_select = VLC_FALSE;
+ bool b_select = false;
if( tk->b_seen ) return;
/* Add a new ES */
if( tk->fmt.i_cat == VIDEO_ES )
{
- switch( p_sys->i_aspect )
- {
- /* TODO Any docs somewhere ? */
- default:
- tk->fmt.video.i_aspect = 0;
- break;
- }
- b_select = VLC_TRUE;
+ tk->fmt.video.i_sar_num = p_sys->sar.i_num;
+ tk->fmt.video.i_sar_den = p_sys->sar.i_den;
+ b_select = true;
}
else if( tk->fmt.i_cat == AUDIO_ES )
{
}
if( dvdnav_get_active_audio_stream( p_sys->dvdnav ) == i_audio )
{
- b_select = VLC_TRUE;
+ b_select = true;
}
}
}
if( i_title > 0 &&
dvdnav_get_active_spu_stream( p_sys->dvdnav ) == (i_id&0x1f) )
{
- b_select = VLC_TRUE;
+ b_select = true;
}
}
{
es_out_Control( p_demux->out, ES_OUT_SET_ES, tk->es );
}
- tk->b_seen = VLC_TRUE;
+ tk->b_seen = true;
- if( tk->fmt.i_cat == VIDEO_ES ) ButtonUpdate( p_demux, VLC_FALSE );
+ if( tk->fmt.i_cat == VIDEO_ES ) ButtonUpdate( p_demux, false );
}
/*****************************************************************************
- * Event handler code
+ * Still image end
*****************************************************************************/
-static int EventMouse( vlc_object_t *, char const *,
- vlc_value_t, vlc_value_t, void * );
-static int EventKey ( vlc_object_t *, char const *,
- vlc_value_t, vlc_value_t, void * );
-
-static int EventThread( vlc_object_t *p_this )
+static void StillTimer( void *p_data )
{
- event_thread_t *p_ev = (event_thread_t*)p_this;
- demux_sys_t *p_sys = p_ev->p_demux->p_sys;
- vlc_object_t *p_vout = NULL;
-
- vlc_mutex_init( p_ev, &p_ev->lock );
- p_ev->b_moved = VLC_FALSE;
- p_ev->b_clicked = VLC_FALSE;
- p_ev->b_key = VLC_FALSE;
- p_ev->b_still = VLC_FALSE;
+ demux_sys_t *p_sys = p_data;
- /* catch all key event */
- var_AddCallback( p_ev->p_libvlc, "key-pressed", EventKey, p_ev );
-
- /* main loop */
- while( !p_ev->b_die )
+ vlc_mutex_lock( &p_sys->still.lock );
+ if( likely(p_sys->still.b_enabled) )
{
- vlc_bool_t b_activated = VLC_FALSE;
-
- /* KEY part */
- if( p_ev->b_key )
- {
- pci_t *pci = dvdnav_get_current_nav_pci( p_sys->dvdnav );
-
- vlc_value_t valk;
- struct hotkey *p_hotkeys = p_ev->p_libvlc->p_hotkeys;
- int i, i_action = -1;
-
- vlc_mutex_lock( &p_ev->lock );
- var_Get( p_ev->p_libvlc, "key-pressed", &valk );
- for( i = 0; p_hotkeys[i].psz_action != NULL; i++ )
- {
- if( p_hotkeys[i].i_key == valk.i_int )
- {
- i_action = p_hotkeys[i].i_action;
- }
- }
-
- switch( i_action )
- {
- case ACTIONID_NAV_LEFT:
- dvdnav_left_button_select( p_sys->dvdnav, pci );
- break;
- case ACTIONID_NAV_RIGHT:
- dvdnav_right_button_select( p_sys->dvdnav, pci );
- break;
- case ACTIONID_NAV_UP:
- dvdnav_upper_button_select( p_sys->dvdnav, pci );
- break;
- case ACTIONID_NAV_DOWN:
- dvdnav_lower_button_select( p_sys->dvdnav, pci );
- break;
- case ACTIONID_NAV_ACTIVATE:
- b_activated = VLC_TRUE;
- dvdnav_button_activate( p_sys->dvdnav, pci );
- ButtonUpdate( p_ev->p_demux, VLC_TRUE );
- break;
- default:
- break;
- }
- p_ev->b_key = VLC_FALSE;
- vlc_mutex_unlock( &p_ev->lock );
- }
+ p_sys->still.b_enabled = false;
+ dvdnav_still_skip( p_sys->dvdnav );
+ }
+ vlc_mutex_unlock( &p_sys->still.lock );
+}
- /* VOUT part */
- if( p_vout && ( p_ev->b_moved || p_ev->b_clicked ) )
- {
- pci_t *pci = dvdnav_get_current_nav_pci( p_sys->dvdnav );
- vlc_value_t valx, valy;
+static int EventMouse( vlc_object_t *p_vout, char const *psz_var,
+ vlc_value_t oldval, vlc_value_t val, void *p_data )
+{
+ demux_t *p_demux = p_data;
+ demux_sys_t *p_sys = p_demux->p_sys;
- vlc_mutex_lock( &p_ev->lock );
- var_Get( p_vout, "mouse-x", &valx );
- var_Get( p_vout, "mouse-y", &valy );
+ /* FIXME? PCI usage thread safe? */
+ pci_t *pci = dvdnav_get_current_nav_pci( p_sys->dvdnav );
+ int x = val.coords.x;
+ int y = val.coords.y;
- if( p_ev->b_moved )
- {
- dvdnav_mouse_select( p_sys->dvdnav, pci, valx.i_int,
- valy.i_int );
- }
- if( p_ev->b_clicked )
- {
- b_activated = VLC_TRUE;
- dvdnav_mouse_activate( p_sys->dvdnav, pci, valx.i_int,
- valy.i_int );
- ButtonUpdate( p_ev->p_demux, VLC_TRUE );
- }
+ if( psz_var[6] == 'm' ) /* mouse-moved */
+ dvdnav_mouse_select( p_sys->dvdnav, pci, x, y );
+ else
+ {
+ assert( psz_var[6] == 'c' ); /* mouse-clicked */
- p_ev->b_moved = VLC_FALSE;
- p_ev->b_clicked = VLC_FALSE;
- vlc_mutex_unlock( &p_ev->lock );
- }
- if( p_vout && p_vout->b_die )
- {
- var_DelCallback( p_vout, "mouse-moved", EventMouse, p_ev );
- var_DelCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
- vlc_object_release( p_vout );
- p_vout = NULL;
- }
- if( p_vout == NULL )
- {
- p_vout = vlc_object_find( p_sys->p_input, VLC_OBJECT_VOUT,
- FIND_CHILD );
- if( p_vout)
- {
- var_AddCallback( p_vout, "mouse-moved", EventMouse, p_ev );
- var_AddCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
- }
- }
+ ButtonUpdate( p_demux, true );
+ dvdnav_mouse_activate( p_sys->dvdnav, pci, x, y );
+ }
+ (void)p_vout;
+ (void)oldval;
+ return VLC_SUCCESS;
+}
- /* Still part */
- vlc_mutex_lock( &p_ev->lock );
- if( p_ev->b_still )
- {
- if( /* b_activated || // This breaks menus */
- ( p_ev->i_still_end > 0 && p_ev->i_still_end < mdate() ))
- {
- p_ev->b_still = VLC_FALSE;
- dvdnav_still_skip( p_sys->dvdnav );
- }
- }
- vlc_mutex_unlock( &p_ev->lock );
+static int EventKey( vlc_object_t *p_this, char const *psz_var,
+ vlc_value_t oldval, vlc_value_t newval, void *p_data )
+{
+ demux_t *p_demux = p_data;
+ demux_sys_t *p_sys = p_demux->p_sys;
- /* Wait a bit */
- msleep( 10000 );
- }
+ /* FIXME: thread-safe ? */
+ pci_t *pci = dvdnav_get_current_nav_pci( p_sys->dvdnav );
- /* Release callback */
- if( p_vout )
+ switch( newval.i_int )
{
- var_DelCallback( p_vout, "mouse-moved", EventMouse, p_ev );
- var_DelCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
- vlc_object_release( p_vout );
+ case ACTIONID_NAV_LEFT:
+ dvdnav_left_button_select( p_sys->dvdnav, pci );
+ break;
+ case ACTIONID_NAV_RIGHT:
+ dvdnav_right_button_select( p_sys->dvdnav, pci );
+ break;
+ case ACTIONID_NAV_UP:
+ dvdnav_upper_button_select( p_sys->dvdnav, pci );
+ break;
+ case ACTIONID_NAV_DOWN:
+ dvdnav_lower_button_select( p_sys->dvdnav, pci );
+ break;
+ case ACTIONID_NAV_ACTIVATE:
+ ButtonUpdate( p_demux, true );
+ dvdnav_button_activate( p_sys->dvdnav, pci );
+ break;
}
- var_DelCallback( p_ev->p_libvlc, "key-pressed", EventKey, p_ev );
-
- vlc_mutex_destroy( &p_ev->lock );
+ (void)p_this; (void)psz_var; (void)oldval;
return VLC_SUCCESS;
}
-static int EventMouse( vlc_object_t *p_this, char const *psz_var,
- vlc_value_t oldval, vlc_value_t newval, void *p_data )
+static int EventIntf( vlc_object_t *p_input, char const *psz_var,
+ vlc_value_t oldval, vlc_value_t val, void *p_data )
{
- event_thread_t *p_ev = p_data;
- vlc_mutex_lock( &p_ev->lock );
- if( psz_var[6] == 'c' )
- p_ev->b_clicked = VLC_TRUE;
- else if( psz_var[6] == 'm' )
- p_ev->b_moved = VLC_TRUE;
- vlc_mutex_unlock( &p_ev->lock );
+ demux_t *p_demux = p_data;
+ demux_sys_t *p_sys = p_demux->p_sys;
- return VLC_SUCCESS;
-}
+ if (val.i_int == INPUT_EVENT_VOUT)
+ {
+ vlc_object_t *p_vout;
-static int EventKey( vlc_object_t *p_this, char const *psz_var,
- vlc_value_t oldval, vlc_value_t newval, void *p_data )
-{
- event_thread_t *p_ev = p_data;
- vlc_mutex_lock( &p_ev->lock );
- p_ev->b_key = VLC_TRUE;
- vlc_mutex_unlock( &p_ev->lock );
+ p_vout = p_sys->p_vout;
+ if( p_vout != NULL )
+ {
+ var_DelCallback( p_vout, "mouse-moved", EventMouse, p_demux );
+ var_DelCallback( p_vout, "mouse-clicked", EventMouse, p_demux );
+ vlc_object_release( p_vout );
+ }
+ p_vout = (vlc_object_t *)input_GetVout( (input_thread_t *)p_input );
+ p_sys->p_vout = p_vout;
+ if( p_vout != NULL )
+ {
+ var_AddCallback( p_vout, "mouse-moved", EventMouse, p_demux );
+ var_AddCallback( p_vout, "mouse-clicked", EventMouse, p_demux );
+ }
+ }
+ (void) psz_var; (void) oldval;
return VLC_SUCCESS;
}
*****************************************************************************/
static int ProbeDVD( demux_t *p_demux, char *psz_name )
{
+ (void)p_demux;
#ifdef HAVE_SYS_STAT_H
struct stat stat_info;
uint8_t pi_anchor[2];
- uint16_t i_tag_id = 0;
int i_fd, i_ret;
if( !*psz_name )
return VLC_SUCCESS;
}
- if( stat( psz_name, &stat_info ) || !S_ISREG( stat_info.st_mode ) )
+ if( (i_fd = vlc_open( psz_name, O_RDONLY |O_NONBLOCK )) == -1 )
{
- /* Let dvdnav_open() do the probing */
- return VLC_SUCCESS;
+ return VLC_SUCCESS; /* Let dvdnav_open() do the probing */
}
- if( (i_fd = open( psz_name, O_RDONLY )) == -1 )
- {
- /* Let dvdnav_open() do the probing */
- return VLC_SUCCESS;
- }
+ i_ret = VLC_EGENERIC;
- /* Try to find the anchor (2 bytes at LBA 256) */
- i_ret = VLC_SUCCESS;
- if( lseek( i_fd, 256 * DVD_VIDEO_LB_LEN, SEEK_SET ) == -1 )
+ if( fstat( i_fd, &stat_info ) || !S_ISREG( stat_info.st_mode ) )
{
- i_ret = VLC_EGENERIC;
+ if( !S_ISFIFO( stat_info.st_mode ) )
+ i_ret = VLC_SUCCESS; /* Let dvdnav_open() do the probing */
+ goto bailout;
}
- if( read( i_fd, pi_anchor, 2 ) == 2 )
- {
- i_tag_id = GetWLE(pi_anchor);
- if( i_tag_id != 2 ) i_ret = VLC_EGENERIC; /* Not an anchor */
- }
- else
- {
- i_ret = VLC_EGENERIC;
- }
+ /* Try to find the anchor (2 bytes at LBA 256) */
+ if( lseek( i_fd, 256 * DVD_VIDEO_LB_LEN, SEEK_SET ) != -1
+ && read( i_fd, pi_anchor, 2 ) == 2
+ && GetWLE( pi_anchor ) == 2 )
+ i_ret = VLC_SUCCESS; /* Found a potential anchor */
+bailout:
close( i_fd );
return i_ret;
projects / vlc / blobdiff