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vlc/modules/access/dvdnav.c

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/*****************************************************************************
* dvdnav.c: DVD module using the dvdnav library.
*****************************************************************************
* Copyright (C) 2004-2009 VLC authors and VideoLAN
*
* Authors: Laurent Aimar <fenrir@via.ecp.fr>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser 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.
*****************************************************************************/
/*****************************************************************************
* NOTA BENE: this module requires the linking against a library which is
* known to require licensing under the GNU General Public License version 2
* (or later). Therefore, the result of compiling this module will normally
* be subject to the terms of that later license.
*****************************************************************************/
/*****************************************************************************
* Preamble
*****************************************************************************/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <assert.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <errno.h>
#include <unistd.h> /* close() */
#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_mouse.h>
#include <vlc_dialog.h>
#include <vlc_iso_lang.h>
/* FIXME we should find a better way than including that */
#include "../../src/text/iso-639_def.h"
#include <dvdnav/dvdnav.h>
#include "../demux/mpeg/pes.h"
#include "../demux/mpeg/ps.h"
/*****************************************************************************
* Module descriptor
*****************************************************************************/
#define ANGLE_TEXT N_("DVD angle")
#define ANGLE_LONGTEXT N_( \
"Default DVD angle." )
#define MENU_TEXT N_("Start directly in menu")
#define MENU_LONGTEXT N_( \
"Start the DVD directly in the main menu. This "\
"will try to skip all the useless warning introductions." )
#define LANGUAGE_DEFAULT ("en")
static int AccessDemuxOpen ( vlc_object_t * );
static void Close( vlc_object_t * );
static int DemuxOpen ( vlc_object_t * );
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, ANGLE_TEXT,
ANGLE_LONGTEXT, false )
add_bool( "dvdnav-menu", true,
MENU_TEXT, MENU_LONGTEXT, false )
set_capability( "access", 305 )
add_shortcut( "dvd", "dvdnav", "file" )
set_callbacks( AccessDemuxOpen, Close )
add_submodule()
set_description( N_("DVDnav demuxer") )
set_category( CAT_INPUT )
set_subcategory( SUBCAT_INPUT_DEMUX )
set_capability( "demux", 5 )
set_callbacks( DemuxOpen, Close )
add_shortcut( "dvd", "iso" )
vlc_module_end ()
/* Shall we use libdvdnav's read ahead cache? */
#ifdef __OS2__
#define DVD_READ_CACHE 0
#else
#define DVD_READ_CACHE 1
#endif
#define BLOCK_FLAG_CELL_DISCONTINUITY (BLOCK_FLAG_PRIVATE_SHIFT << 1)
/*****************************************************************************
* Local prototypes
*****************************************************************************/
typedef struct
{
dvdnav_t *dvdnav;
/* */
bool b_reset_pcr;
bool b_readahead;
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;
vlc_mutex_t event_lock;
es_out_id_t *spu_es;
/* palette for menus */
uint32_t clut[16];
bool b_spu_change;
/* Aspect ration */
struct {
unsigned i_num;
unsigned i_den;
} sar;
/* */
int i_title;
input_title_t **title;
int cur_title;
int cur_seekpoint;
unsigned updates;
/* length of program group chain */
vlc_tick_t i_pgc_length;
int i_vobu_index;
int i_vobu_flush;
vlc_mouse_t oldmouse;
} demux_sys_t;
static int Control( demux_t *, int, va_list );
static int Demux( demux_t * );
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 *, bool );
static void ESNew( demux_t *, int );
static int ProbeDVD( const char * );
static char *DemuxGetLanguageCode( demux_t *p_demux, const char *psz_var );
static int ControlInternal( demux_t *, int, ... );
static void StillTimer( void * );
static void EventMouse( const vlc_mouse_t *mouse, void *p_data );
/*****************************************************************************
* CommonOpen:
*****************************************************************************/
static int CommonOpen( vlc_object_t *p_this,
dvdnav_t *p_dvdnav, bool b_readahead )
{
demux_t *p_demux = (demux_t*)p_this;
demux_sys_t *p_sys;
int i_angle;
char *psz_code;
assert( p_dvdnav );
/* Fill p_demux field */
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->spu_es = NULL;
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 = false;
p_sys->i_vobu_index = 0;
p_sys->i_vobu_flush = 0;
p_sys->b_readahead = b_readahead;
vlc_mouse_Init( &p_sys->oldmouse );
if( 1 )
{
// Hack for libdvdnav CVS.
// Without it dvdnav_get_number_of_titles() fails.
// Remove when fixed in libdvdnav CVS.
uint8_t buffer[DVD_VIDEO_LB_LEN];
int i_event, i_len;
if( dvdnav_get_next_block( p_sys->dvdnav, buffer, &i_event, &i_len )
== DVDNAV_STATUS_ERR )
{
msg_Warn( p_demux, "dvdnav_get_next_block failed" );
}
dvdnav_sector_search( p_sys->dvdnav, 0, SEEK_SET );
}
/* Configure dvdnav */
if( dvdnav_set_readahead_flag( p_sys->dvdnav, p_sys->b_readahead ) !=
DVDNAV_STATUS_OK )
{
msg_Warn( p_demux, "cannot set read-a-head flag" );
}
if( dvdnav_set_PGC_positioning_flag( p_sys->dvdnav, 1 ) !=
DVDNAV_STATUS_OK )
{
msg_Warn( p_demux, "cannot set PGC positioning flag" );
}
/* Set menu language */
psz_code = DemuxGetLanguageCode( p_demux, "menu-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)",
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" );
if( dvdnav_audio_language_select( p_sys->dvdnav, psz_code ) !=
DVDNAV_STATUS_OK )
{
msg_Warn( p_demux, "can't set audio language to '%s' (%s)",
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, (char*)LANGUAGE_DEFAULT );
}
free( psz_code );
/* Set spu language */
psz_code = DemuxGetLanguageCode( p_demux, "sub-language" );
if( dvdnav_spu_language_select( p_sys->dvdnav, psz_code ) !=
DVDNAV_STATUS_OK )
{
msg_Warn( p_demux, "can't set spu language to '%s' (%s)",
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, (char*)LANGUAGE_DEFAULT );
}
free( psz_code );
DemuxTitles( p_demux );
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?)" );
vlc_dialog_display_error( p_demux, _("Playback failure"), "%s",
_("VLC cannot set the DVD's title. It possibly "
"cannot decrypt the entire disc.") );
free( p_sys );
return VLC_EGENERIC;
}
if( dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Title ) !=
DVDNAV_STATUS_OK )
{
/* Try going to menu root */
if( dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Root ) !=
DVDNAV_STATUS_OK )
msg_Warn( p_demux, "cannot go to dvd menu" );
}
}
i_angle = var_CreateGetInteger( p_demux, "dvdnav-angle" );
if( i_angle <= 0 ) i_angle = 1;
p_sys->still.b_enabled = false;
vlc_mutex_init( &p_sys->still.lock );
vlc_mutex_init( &p_sys->event_lock );
if( !vlc_timer_create( &p_sys->still.timer, StillTimer, p_sys ) )
p_sys->still.b_created = true;
return VLC_SUCCESS;
}
/*****************************************************************************
* AccessDemuxOpen:
*****************************************************************************/
static int AccessDemuxOpen ( vlc_object_t *p_this )
{
demux_t *p_demux = (demux_t*)p_this;
dvdnav_t *p_dvdnav = NULL;
char *psz_file = NULL;
const char *psz_path = NULL;
int i_ret = VLC_EGENERIC;
bool forced = false;
if (p_demux->out == NULL)
return VLC_EGENERIC;
if( !strncasecmp(p_demux->psz_url, "dvd", 3) )
forced = true;
if( !p_demux->psz_filepath || !*p_demux->psz_filepath )
{
/* Only when selected */
if( !forced )
return VLC_EGENERIC;
psz_file = var_InheritString( p_this, "dvd" );
}
else
psz_file = strdup( p_demux->psz_filepath );
#if defined( _WIN32 ) || defined( __OS2__ )
if( psz_file != NULL )
{
/* Remove trailing backslash, otherwise dvdnav_open will fail */
size_t flen = strlen( psz_file );
if( flen > 0 && psz_file[flen - 1] == '\\' )
psz_file[flen - 1] = '\0';
}
else
psz_file = strdup("");
#endif
if( unlikely(psz_file == NULL) )
return VLC_EGENERIC;
/* Try some simple probing to avoid going through dvdnav_open too often */
if( !forced && ProbeDVD( psz_file ) != VLC_SUCCESS )
goto bailout;
/* Open dvdnav */
psz_path = ToLocale( psz_file );
if( dvdnav_open( &p_dvdnav, psz_path ) != DVDNAV_STATUS_OK )
{
msg_Warn( p_demux, "cannot open DVD (%s)", psz_file);
goto bailout;
}
i_ret = CommonOpen( p_this, p_dvdnav, !!DVD_READ_CACHE );
if( i_ret != VLC_SUCCESS )
dvdnav_close( p_dvdnav );
bailout:
free( psz_file );
if( psz_path )
LocaleFree( psz_path );
return i_ret;
}
/*****************************************************************************
* StreamProbeDVD: very weak probing that avoids going too often into a dvdnav_open()
*****************************************************************************/
static int StreamProbeDVD( stream_t *s )
{
/* first sector should be filled with zeros */
ssize_t i_peek;
const uint8_t *p_peek;
i_peek = vlc_stream_Peek( s, &p_peek, 2048 );
if( i_peek < 512 ) {
return VLC_EGENERIC;
}
while (i_peek > 0) {
if (p_peek[ --i_peek ]) {
return VLC_EGENERIC;
}
}
/* ISO 9660 volume descriptor */
char iso_dsc[6];
if( vlc_stream_Seek( s, 0x8000 + 1 ) != VLC_SUCCESS
|| vlc_stream_Read( s, iso_dsc, sizeof (iso_dsc) ) < (int)sizeof (iso_dsc)
|| memcmp( iso_dsc, "CD001\x01", 6 ) )
return VLC_EGENERIC;
/* Try to find the anchor (2 bytes at LBA 256) */
uint16_t anchor;
if( vlc_stream_Seek( s, 256 * DVD_VIDEO_LB_LEN ) == VLC_SUCCESS
&& vlc_stream_Read( s, &anchor, 2 ) == 2
&& GetWLE( &anchor ) == 2 )
return VLC_SUCCESS;
else
return VLC_EGENERIC;
}
/*****************************************************************************
* dvdnav stream callbacks
*****************************************************************************/
static int stream_cb_seek( void *s, uint64_t pos )
{
return vlc_stream_Seek( (stream_t *)s, pos );
}
static int stream_cb_read( void *s, void* buffer, int size )
{
return vlc_stream_Read( (stream_t *)s, buffer, size );
}
/*****************************************************************************
* DemuxOpen:
*****************************************************************************/
static int DemuxOpen ( vlc_object_t *p_this )
{
demux_t *p_demux = (demux_t*)p_this;
dvdnav_t *p_dvdnav = NULL;
bool forced = false, b_seekable = false;
if( p_demux->psz_name != NULL && !strncmp(p_demux->psz_name, "dvd", 3) )
forced = true;
/* StreamProbeDVD need FASTSEEK, but if dvd is forced, we don't probe thus
* don't need fastseek */
vlc_stream_Control( p_demux->s, forced ? STREAM_CAN_SEEK : STREAM_CAN_FASTSEEK,
&b_seekable );
if( !b_seekable )
return VLC_EGENERIC;
/* Try some simple probing to avoid going through dvdnav_open too often */
if( !forced && StreamProbeDVD( p_demux->s ) != VLC_SUCCESS )
return VLC_EGENERIC;
static dvdnav_stream_cb stream_cb =
{
.pf_seek = stream_cb_seek,
.pf_read = stream_cb_read,
.pf_readv = NULL,
};
/* Open dvdnav with stream callbacks */
if( dvdnav_open_stream( &p_dvdnav, p_demux->s,
&stream_cb ) != DVDNAV_STATUS_OK )
{
msg_Warn( p_demux, "cannot open DVD with open_stream" );
return VLC_EGENERIC;
}
int i_ret = CommonOpen( p_this, p_dvdnav, false );
if( i_ret != VLC_SUCCESS )
dvdnav_close( p_dvdnav );
return i_ret;
}
/*****************************************************************************
* Close:
*****************************************************************************/
static void Close( vlc_object_t *p_this )
{
demux_t *p_demux = (demux_t*)p_this;
demux_sys_t *p_sys = p_demux->p_sys;
/* Stop still image handler */
if( p_sys->still.b_created )
vlc_timer_destroy( p_sys->still.timer );
vlc_mutex_destroy( &p_sys->still.lock );
vlc_mutex_destroy( &p_sys->event_lock );
for( int i = 0; i < PS_TK_COUNT; i++ )
{
ps_track_t *tk = &p_sys->tk[i];
if( tk->b_configured )
{
es_format_Clean( &tk->fmt );
if( tk->es ) es_out_Del( p_demux->out, tk->es );
}
}
/* 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 );
}
/*****************************************************************************
* Control:
*****************************************************************************/
static int Control( demux_t *p_demux, int i_query, va_list args )
{
demux_sys_t *p_sys = p_demux->p_sys;
input_title_t ***ppp_title;
int i;
switch( i_query )
{
case DEMUX_SET_POSITION:
case DEMUX_GET_POSITION:
case DEMUX_GET_TIME:
case DEMUX_GET_LENGTH:
{
uint32_t pos, len;
if( dvdnav_get_position( p_sys->dvdnav, &pos, &len ) !=
DVDNAV_STATUS_OK || len == 0 )
{
return VLC_EGENERIC;
}
switch( i_query )
{
case DEMUX_GET_POSITION:
*va_arg( args, double* ) = (double)pos / (double)len;
return VLC_SUCCESS;
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;
}
break;
case DEMUX_GET_TIME:
if( p_sys->i_pgc_length > 0 )
{
*va_arg( args, vlc_tick_t * ) = p_sys->i_pgc_length*pos/len;
return VLC_SUCCESS;
}
break;
case DEMUX_GET_LENGTH:
if( p_sys->i_pgc_length > 0 )
{
*va_arg( args, vlc_tick_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 */
*va_arg( args, bool * ) = true;
return VLC_SUCCESS;
case DEMUX_SET_PAUSE_STATE:
return VLC_SUCCESS;
case DEMUX_GET_TITLE_INFO:
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 */
*ppp_title = vlc_alloc( p_sys->i_title, sizeof( input_title_t * ) );
for( i = 0; i < p_sys->i_title; i++ )
{
(*ppp_title)[i] = vlc_input_title_Duplicate( p_sys->title[i] );
}
return VLC_SUCCESS;
case DEMUX_SET_TITLE:
i = va_arg( args, int );
if( i == 0 && dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Root )
!= DVDNAV_STATUS_OK )
{
msg_Warn( p_demux, "cannot set title/chapter" );
return VLC_EGENERIC;
}
if( i != 0 )
{
dvdnav_still_skip( p_sys->dvdnav );
if( dvdnav_title_play( p_sys->dvdnav, i ) != DVDNAV_STATUS_OK )
{
msg_Warn( p_demux, "cannot set title/chapter" );
return VLC_EGENERIC;
}
}
p_sys->updates |= INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
p_sys->cur_title = i;
p_sys->cur_seekpoint = 0;
return VLC_SUCCESS;
case DEMUX_SET_SEEKPOINT:
i = va_arg( args, int );
if( p_sys->cur_title == 0 )
{
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_sys->cur_title,
i + 1 ) != DVDNAV_STATUS_OK )
{
msg_Warn( p_demux, "cannot set title/chapter" );
return VLC_EGENERIC;
}
p_sys->updates |= INPUT_UPDATE_SEEKPOINT;
p_sys->cur_seekpoint = i;
return VLC_SUCCESS;
case DEMUX_TEST_AND_CLEAR_FLAGS:
{
unsigned *restrict flags = va_arg(args, unsigned *);
*flags &= p_sys->updates;
p_sys->updates &= ~*flags;
break;
}
case DEMUX_GET_TITLE:
*va_arg( args, int * ) = p_sys->cur_title;
break;
case DEMUX_GET_SEEKPOINT:
*va_arg( args, int * ) = p_sys->cur_seekpoint;
break;
case DEMUX_GET_PTS_DELAY:
*va_arg( args, vlc_tick_t * ) =
VLC_TICK_FROM_MS( var_InheritInteger( p_demux, "disc-caching" ) );
return VLC_SUCCESS;
case DEMUX_GET_META:
{
const char *title_name = NULL;
dvdnav_get_title_string(p_sys->dvdnav, &title_name);
if( (NULL != title_name) && ('\0' != title_name[0]) )
{
vlc_meta_t *p_meta = va_arg( args, vlc_meta_t* );
vlc_meta_Set( p_meta, vlc_meta_Title, title_name );
return VLC_SUCCESS;
}
return VLC_EGENERIC;
}
case DEMUX_NAV_ACTIVATE:
{
pci_t *pci = dvdnav_get_current_nav_pci( p_sys->dvdnav );
if( dvdnav_button_activate( p_sys->dvdnav, pci ) != DVDNAV_STATUS_OK )
return VLC_EGENERIC;
ButtonUpdate( p_demux, true );
break;
}
case DEMUX_NAV_UP:
{
pci_t *pci = dvdnav_get_current_nav_pci( p_sys->dvdnav );
if( dvdnav_upper_button_select( p_sys->dvdnav, pci ) != DVDNAV_STATUS_OK )
return VLC_EGENERIC;
break;
}
case DEMUX_NAV_DOWN:
{
pci_t *pci = dvdnav_get_current_nav_pci( p_sys->dvdnav );
if( dvdnav_lower_button_select( p_sys->dvdnav, pci ) != DVDNAV_STATUS_OK )
return VLC_EGENERIC;
break;
}
case DEMUX_NAV_LEFT:
{
pci_t *pci = dvdnav_get_current_nav_pci( p_sys->dvdnav );
if( dvdnav_left_button_select( p_sys->dvdnav, pci ) != DVDNAV_STATUS_OK )
return VLC_EGENERIC;
break;
}
case DEMUX_NAV_RIGHT:
{
pci_t *pci = dvdnav_get_current_nav_pci( p_sys->dvdnav );
if( dvdnav_right_button_select( p_sys->dvdnav, pci ) != DVDNAV_STATUS_OK )
return VLC_EGENERIC;
break;
}
case DEMUX_NAV_MENU:
{
if( dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Title )
!= DVDNAV_STATUS_OK )
{
msg_Warn( p_demux, "cannot select Title menu" );
if( dvdnav_menu_call( p_sys->dvdnav, DVD_MENU_Root )
!= DVDNAV_STATUS_OK )
{
msg_Warn( p_demux, "cannot select Root menu" );
return VLC_EGENERIC;
}
}
p_sys->updates |= INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
p_sys->cur_title = 0;
p_sys->cur_seekpoint = 2;
break;
}
/* TODO implement others */
default:
return VLC_EGENERIC;
}
return VLC_SUCCESS;
}
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:
*****************************************************************************/
static int Demux( demux_t *p_demux )
{
demux_sys_t *p_sys = p_demux->p_sys;
uint8_t buffer[DVD_VIDEO_LB_LEN];
uint8_t *packet = buffer;
int i_event;
int i_len;
dvdnav_status_t status;
if( p_sys->b_readahead )
status = dvdnav_get_next_cache_block( p_sys->dvdnav, &packet, &i_event,
&i_len );
else
status = dvdnav_get_next_block( p_sys->dvdnav, packet, &i_event,
&i_len );
if( status == DVDNAV_STATUS_ERR )
{
msg_Warn( p_demux, "cannot get next block (%s)",
dvdnav_err_to_string( p_sys->dvdnav ) );
if( p_sys->cur_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_disarm( p_sys->still.timer );
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 */
msg_Dbg( p_demux, "DVDNAV_NOP" );
break;
case DVDNAV_STILL_FRAME:
{
dvdnav_still_event_t *event = (dvdnav_still_event_t*)packet;
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->still.b_enabled = true;
if( event->length != 0xff && p_sys->still.b_created )
{
vlc_tick_t delay = vlc_tick_from_sec( event->length );
vlc_timer_schedule( p_sys->still.timer, false, delay, VLC_TIMER_FIRE_ONCE );
}
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_tick_sleep( VLC_TICK_FROM_MS(40) );
break;
}
case DVDNAV_SPU_CLUT_CHANGE:
{
int i;
msg_Dbg( p_demux, "DVDNAV_SPU_CLUT_CHANGE" );
/* Update color lookup table (16 *uint32_t in packet) */
memcpy( p_sys->clut, packet, 16 * sizeof( uint32_t ) );
/* HACK to get the SPU tracks registered in the right order */
for( i = 0; i < 0x1f; i++ )
{
if( dvdnav_spu_stream_to_lang( p_sys->dvdnav, i ) != 0xffff )
ESNew( p_demux, 0xbd20 + i );
}
/* END HACK */
break;
}
case DVDNAV_SPU_STREAM_CHANGE:
{
dvdnav_spu_stream_change_event_t *event =
(dvdnav_spu_stream_change_event_t*)packet;
int i;
msg_Dbg( p_demux, "DVDNAV_SPU_STREAM_CHANGE" );
msg_Dbg( p_demux, " - physical_wide=%d",
event->physical_wide );
msg_Dbg( p_demux, " - physical_letterbox=%d",
event->physical_letterbox);
msg_Dbg( p_demux, " - physical_pan_scan=%d",
event->physical_pan_scan );
ESSubtitleUpdate( p_demux );
p_sys->b_spu_change = true;
/* HACK to get the SPU tracks registered in the right order */
for( i = 0; i < 0x1f; i++ )
{
if( dvdnav_spu_stream_to_lang( p_sys->dvdnav, i ) != 0xffff )
ESNew( p_demux, 0xbd20 + i );
}
/* END HACK */
break;
}
case DVDNAV_AUDIO_STREAM_CHANGE:
{
dvdnav_audio_stream_change_event_t *event =
(dvdnav_audio_stream_change_event_t*)packet;
msg_Dbg( p_demux, "DVDNAV_AUDIO_STREAM_CHANGE" );
msg_Dbg( p_demux, " - physical=%d", event->physical );
/* TODO */
break;
}
case DVDNAV_VTS_CHANGE:
{
int32_t i_title = 0;
int32_t i_part = 0;
dvdnav_vts_change_event_t *event = (dvdnav_vts_change_event_t*)packet;
msg_Dbg( p_demux, "DVDNAV_VTS_CHANGE" );
msg_Dbg( p_demux, " - vtsN=%d", event->new_vtsN );
msg_Dbg( p_demux, " - domain=%d", event->new_domain );
/* reset PCR */
es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
for( int i = 0; i < PS_TK_COUNT; i++ )
{
ps_track_t *tk = &p_sys->tk[i];
if( tk->b_configured )
{
es_format_Clean( &tk->fmt );
if( tk->es )
{
if( tk->es == p_sys->spu_es )
{
vlc_mutex_lock( &p_sys->event_lock );
p_sys->spu_es = NULL;
vlc_mutex_unlock( &p_sys->event_lock );
}
es_out_Del( p_demux->out, tk->es );
}
}
tk->b_configured = false;
}
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;
}
if( dvdnav_current_title_info( p_sys->dvdnav, &i_title,
&i_part ) == DVDNAV_STATUS_OK )
{
if( i_title >= 0 && i_title < p_sys->i_title &&
p_sys->cur_title != i_title )
{
p_sys->updates |= INPUT_UPDATE_TITLE;
p_sys->cur_title = i_title;
}
}
break;
}
case DVDNAV_CELL_CHANGE:
{
int32_t i_title = 0;
int32_t i_part = 0;
dvdnav_cell_change_event_t *event =
(dvdnav_cell_change_event_t*)packet;
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=%"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 length in time of the current PGC */
p_sys->i_pgc_length = FROM_SCALE_NZ(event->pgc_length);
p_sys->i_vobu_index = 0;
p_sys->i_vobu_flush = 0;
for( int i=0; i<PS_TK_COUNT; i++ )
p_sys->tk[i].i_next_block_flags |= BLOCK_FLAG_CELL_DISCONTINUITY;
/* FIXME is it correct or there is better way to know chapter change */
if( dvdnav_current_title_info( p_sys->dvdnav, &i_title,
&i_part ) == DVDNAV_STATUS_OK )
{
if( i_title >= 0 && i_title < p_sys->i_title )
{
p_sys->updates |= INPUT_UPDATE_TITLE;
p_sys->cur_title = i_title;
if( i_part >= 1 && i_part <= p_sys->title[i_title]->i_seekpoint )
{
p_sys->updates |= INPUT_UPDATE_SEEKPOINT;
p_sys->cur_seekpoint = i_part - 1;
}
}
}
break;
}
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
/* A lot of thing to do here :
* - handle packet
* - fetch pts (for time display)
* - ...
*/
DemuxBlock( p_demux, packet, i_len );
if( p_sys->b_spu_change )
{
ButtonUpdate( p_demux, false );
p_sys->b_spu_change = false;
}
break;
}
case DVDNAV_STOP: /* EOF */
msg_Dbg( p_demux, "DVDNAV_STOP" );
if( p_sys->b_readahead )
dvdnav_free_cache_block( p_sys->dvdnav, packet );
return 0;
case DVDNAV_HIGHLIGHT:
{
dvdnav_highlight_event_t *event = (dvdnav_highlight_event_t*)packet;
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, false );
break;
}
case DVDNAV_HOP_CHANNEL:
msg_Dbg( p_demux, "DVDNAV_HOP_CHANNEL" );
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" );
bool b_empty;
es_out_Control( p_demux->out, ES_OUT_GET_EMPTY, &b_empty );
if( !b_empty )
{
vlc_tick_sleep( VLC_TICK_FROM_MS(40) );
}
else
{
dvdnav_wait_skip( p_sys->dvdnav );
p_sys->b_reset_pcr = true;
}
break;
default:
msg_Warn( p_demux, "Unknown event (0x%x)", i_event );
break;
}
if( p_sys->b_readahead )
dvdnav_free_cache_block( p_sys->dvdnav, packet );
return 1;
}
/* Get a 2 char code
* FIXME: partiallyy duplicated from src/input/es_out.c
*/
static char *DemuxGetLanguageCode( demux_t *p_demux, const char *psz_var )
{
const iso639_lang_t *pl;
char *psz_lang;
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';
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_iso639_1, psz_lang ) ||
!strcasecmp( pl->psz_iso639_2T, psz_lang ) ||
!strcasecmp( pl->psz_iso639_2B, psz_lang ) )
break;
}
free( psz_lang );
if( pl->psz_eng_name != NULL )
return strdup( pl->psz_iso639_1 );
return strdup(LANGUAGE_DEFAULT);
}
static void DemuxTitles( demux_t *p_demux )
{
demux_sys_t *p_sys = p_demux->p_sys;
input_title_t *t;
seekpoint_t *s;
int32_t i_titles;
/* Menu */
t = vlc_input_title_New();
t->i_flags = INPUT_TITLE_MENU | INPUT_TITLE_INTERACTIVE;
t->psz_name = strdup( "DVD Menu" );
s = vlc_seekpoint_New();
s->psz_name = strdup( "Resume" );
TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
s = vlc_seekpoint_New();
s->psz_name = strdup( "Root" );
TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
s = vlc_seekpoint_New();
s->psz_name = strdup( "Title" );
TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
s = vlc_seekpoint_New();
s->psz_name = strdup( "Chapter" );
TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
s = vlc_seekpoint_New();
s->psz_name = strdup( "Subtitle" );
TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
s = vlc_seekpoint_New();
s->psz_name = strdup( "Audio" );
TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
s = vlc_seekpoint_New();
s->psz_name = strdup( "Angle" );
TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
TAB_APPEND( p_sys->i_title, p_sys->title, t );
/* Find out number of titles/chapters */
dvdnav_get_number_of_titles( p_sys->dvdnav, &i_titles );
if( i_titles > 90 )
msg_Err( p_demux, "This is probably an Arccos Protected DVD. This could take time..." );
for( int i = 1; i <= i_titles; i++ )
{
uint64_t i_title_length;
uint64_t *p_chapters_time;
int32_t i_chapters = dvdnav_describe_title_chapters( p_sys->dvdnav, i,
&p_chapters_time,
&i_title_length );
if( i_chapters < 1 )
{
i_title_length = 0;
p_chapters_time = NULL;
}
t = vlc_input_title_New();
t->i_length = FROM_SCALE_NZ(i_title_length);
for( int j = 0; j < __MAX( i_chapters, 1 ); j++ )
{
s = vlc_seekpoint_New();
if( p_chapters_time )
{
if ( j > 0 )
s->i_time_offset = FROM_SCALE_NZ(p_chapters_time[j - 1]);
else
s->i_time_offset = 0;
}
TAB_APPEND( t->i_seekpoint, t->seekpoint, s );
}
free( p_chapters_time );
TAB_APPEND( p_sys->i_title, p_sys->title, t );
}
}
/*****************************************************************************
* Update functions:
*****************************************************************************/
static void ButtonUpdate( demux_t *p_demux, bool b_mode )
{
demux_sys_t *p_sys = p_demux->p_sys;
int32_t i_title, i_part;
if( !p_sys->spu_es )
return;
dvdnav_current_title_info( p_sys->dvdnav, &i_title, &i_part );
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 )
{
msg_Err( p_demux, "dvdnav_get_current_highlight failed" );
return;
}
b_button_ok = false;
if( i_button > 0 && i_title == 0 )
{
pci_t *pci = dvdnav_get_current_nav_pci( p_sys->dvdnav );
b_button_ok = DVDNAV_STATUS_OK ==
dvdnav_get_highlight_area( pci, i_button, b_mode, &hl );
}
if( b_button_ok )
{
vlc_spu_highlight_t spu_hl = {
.x_start = hl.sx,
.x_end = hl.ex,
.y_start = hl.sy,
.y_end = hl.ey,
.palette = {
.i_entries = 4,
}
};
for( unsigned 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 ) * 0xff / 0xf;
spu_hl.palette.palette[i][0] = (i_yuv >> 16) & 0xff;
spu_hl.palette.palette[i][1] = (i_yuv >> 0) & 0xff;
spu_hl.palette.palette[i][2] = (i_yuv >> 8) & 0xff;
spu_hl.palette.palette[i][3] = i_alpha;
}
es_out_Control( p_demux->out, ES_OUT_SPU_SET_HIGHLIGHT, p_sys->spu_es,
&spu_hl );
msg_Dbg( p_demux, "buttonUpdate %d", i_button );
}
else
{
msg_Dbg( p_demux, "buttonUpdate not done b=%d t=%d",
i_button, i_title );
es_out_Control( p_demux->out, ES_OUT_SPU_SET_HIGHLIGHT, p_sys->spu_es,
NULL );
}
}
static void ESSubtitleUpdate( demux_t *p_demux )
{
demux_sys_t *p_sys = p_demux->p_sys;
int i_spu = dvdnav_get_active_spu_stream( p_sys->dvdnav );
int32_t i_title, i_part;
ButtonUpdate( p_demux, false );
dvdnav_current_title_info( p_sys->dvdnav, &i_title, &i_part );
if( i_title > 0 ) return;
/* dvdnav_get_active_spu_stream sets (in)visibility flag as 0xF0 */
if( i_spu >= 0 && i_spu <= 0x1f )
{
ps_track_t *tk = &p_sys->tk[ps_id_to_tk(0xbd20 + i_spu)];
ESNew( p_demux, 0xbd20 + i_spu );
/* be sure to unselect it (reset) */
if( tk->es )
{
es_out_Control( p_demux->out, ES_OUT_SET_ES_STATE, tk->es,
(bool)false );
/* now select it */
es_out_Control( p_demux->out, ES_OUT_SET_ES, tk->es );
if( tk->fmt.i_cat == SPU_ES )
{
vlc_mutex_lock( &p_sys->event_lock );
p_sys->spu_es = tk->es;
vlc_mutex_unlock( &p_sys->event_lock );
ButtonUpdate( p_demux, false );
}
}
}
else
{
for( i_spu = 0; i_spu <= 0x1F; i_spu++ )
{
ps_track_t *tk = &p_sys->tk[ps_id_to_tk(0xbd20 + i_spu)];
if( tk->es )
{
es_out_Control( p_demux->out, ES_OUT_SET_ES_STATE, tk->es,
(bool)false );
}
}
}
}
/*****************************************************************************
* DemuxBlock: demux a given block
*****************************************************************************/
static int DemuxBlock( demux_t *p_demux, const uint8_t *p, int len )
{
demux_sys_t *p_sys = p_demux->p_sys;
while( len > 0 )
{
int i_size = ps_pkt_size( p, len );
if( i_size <= 0 || i_size > len )
{
break;
}
/* Create a block */
block_t *p_pkt = block_Alloc( i_size );
memcpy( p_pkt->p_buffer, p, i_size);
/* Parse it and send it */
switch( 0x100 | p[3] )
{
case 0x1b9:
case 0x1bb:
case 0x1bc:
#ifdef DVDNAV_DEBUG
if( p[3] == 0xbc )
{
msg_Warn( p_demux, "received a PSM packet" );
}
else if( p[3] == 0xbb )
{
msg_Warn( p_demux, "received a SYSTEM packet" );
}
#endif
block_Release( p_pkt );
break;
case 0x1ba:
{
vlc_tick_t i_scr;
int i_mux_rate;
if( !ps_pkt_parse_pack( p_pkt, &i_scr, &i_mux_rate ) )
{
es_out_SetPCR( p_demux->out, i_scr );
if( i_mux_rate > 0 ) p_sys->i_mux_rate = i_mux_rate;
}
block_Release( p_pkt );
break;
}
default:
{
int i_id = ps_pkt_id( p_pkt );
if( i_id >= 0xc0 )
{
ps_track_t *tk = &p_sys->tk[ps_id_to_tk(i_id)];
if( !tk->b_configured )
{
ESNew( p_demux, i_id );
}
if( tk->es &&
!ps_pkt_parse_pes( VLC_OBJECT(p_demux), p_pkt, tk->i_skip ) )
{
int i_next_block_flags = tk->i_next_block_flags;
tk->i_next_block_flags = 0;
if( i_next_block_flags & BLOCK_FLAG_CELL_DISCONTINUITY )
{
if( p_pkt->i_dts != VLC_TICK_INVALID )
{
i_next_block_flags &= ~BLOCK_FLAG_CELL_DISCONTINUITY;
i_next_block_flags |= BLOCK_FLAG_DISCONTINUITY;
}
else tk->i_next_block_flags = BLOCK_FLAG_CELL_DISCONTINUITY;
}
p_pkt->i_flags |= i_next_block_flags;
es_out_Send( p_demux->out, tk->es, p_pkt );
}
else
{
tk->i_next_block_flags = 0;
block_Release( p_pkt );
}
}
else
{
block_Release( p_pkt );
}
break;
}
}
p += i_size;
len -= i_size;
}
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
*****************************************************************************/
static void ESNew( demux_t *p_demux, int i_id )
{
demux_sys_t *p_sys = p_demux->p_sys;
ps_track_t *tk = &p_sys->tk[ps_id_to_tk(i_id)];
bool b_select = false;
if( tk->b_configured ) return;
if( ps_track_fill( tk, 0, i_id, NULL, true ) )
{
msg_Warn( p_demux, "unknown codec for id=0x%x", i_id );
return;
}
/* Add a new ES */
if( tk->fmt.i_cat == VIDEO_ES )
{
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 )
{
int i_audio = -1;
/* find the audio number PLEASE find another way */
if( (i_id&0xbdf8) == 0xbd88 ) /* dts */
{
i_audio = i_id&0x07;
}
else if( (i_id&0xbdf0) == 0xbd80 ) /* a52 */
{
i_audio = i_id&0xf;
}
else if( (i_id&0xbdf0) == 0xbda0 ) /* lpcm */
{
i_audio = i_id&0x1f;
}
else if( ( i_id&0xe0 ) == 0xc0 ) /* mpga */
{
i_audio = i_id&0x1f;
}
if( i_audio >= 0 )
{
int i_lang = dvdnav_audio_stream_to_lang( p_sys->dvdnav, i_audio );
if( i_lang != 0xffff )
{
tk->fmt.psz_language = malloc( 3 );
tk->fmt.psz_language[0] = (i_lang >> 8)&0xff;
tk->fmt.psz_language[1] = (i_lang )&0xff;
tk->fmt.psz_language[2] = 0;
}
if( dvdnav_get_active_audio_stream( p_sys->dvdnav ) == i_audio )
{
b_select = true;
}
}
}
else if( tk->fmt.i_cat == SPU_ES )
{
int32_t i_title, i_part;
int i_lang = dvdnav_spu_stream_to_lang( p_sys->dvdnav, i_id&0x1f );
if( i_lang != 0xffff )
{
tk->fmt.psz_language = malloc( 3 );
tk->fmt.psz_language[0] = (i_lang >> 8)&0xff;
tk->fmt.psz_language[1] = (i_lang )&0xff;
tk->fmt.psz_language[2] = 0;
}
/* Palette */
tk->fmt.subs.spu.palette[0] = SPU_PALETTE_DEFINED;
memcpy( &tk->fmt.subs.spu.palette[1], p_sys->clut,
16 * sizeof( uint32_t ) );
/* We select only when we are not in the menu */
dvdnav_current_title_info( p_sys->dvdnav, &i_title, &i_part );
if( i_title > 0 &&
dvdnav_get_active_spu_stream( p_sys->dvdnav ) == (i_id&0x1f) )
{
b_select = true;
}
}
tk->fmt.i_id = i_id;
tk->es = es_out_Add( p_demux->out, &tk->fmt );
if( b_select && tk->es )
{
es_out_Control( p_demux->out, ES_OUT_SET_ES, tk->es );
if( tk->fmt.i_cat == VIDEO_ES )
{
es_out_Control( p_demux->out, ES_OUT_VOUT_SET_MOUSE_EVENT, tk->es,
EventMouse, p_demux );
ButtonUpdate( p_demux, false );
}
}
tk->b_configured = true;
}
/*****************************************************************************
* Still image end
*****************************************************************************/
static void StillTimer( void *p_data )
{
demux_sys_t *p_sys = p_data;
vlc_mutex_lock( &p_sys->still.lock );
if( likely(p_sys->still.b_enabled) )
{
p_sys->still.b_enabled = false;
dvdnav_still_skip( p_sys->dvdnav );
}
vlc_mutex_unlock( &p_sys->still.lock );
}
static void EventMouse( const vlc_mouse_t *newmouse, void *p_data )
{
demux_t *p_demux = p_data;
demux_sys_t *p_sys = p_demux->p_sys;
if( !newmouse )
{
vlc_mouse_Init( &p_sys->oldmouse );
return;
}
/* FIXME? PCI usage thread safe? */
pci_t *pci = dvdnav_get_current_nav_pci( p_sys->dvdnav );
if( vlc_mouse_HasMoved( &p_sys->oldmouse, newmouse ) )
dvdnav_mouse_select( p_sys->dvdnav, pci, newmouse->i_x, newmouse->i_y );
if( vlc_mouse_HasPressed( &p_sys->oldmouse, newmouse, MOUSE_BUTTON_LEFT ) )
{
vlc_mutex_lock( &p_sys->event_lock );
ButtonUpdate( p_demux, true );
vlc_mutex_unlock( &p_sys->event_lock );
dvdnav_mouse_activate( p_sys->dvdnav, pci, newmouse->i_x, newmouse->i_y );
}
p_sys->oldmouse = *newmouse;
}
/*****************************************************************************
* ProbeDVD: very weak probing that avoids going too often into a dvdnav_open()
*****************************************************************************/
static int ProbeDVD( const char *psz_name )
{
if( !*psz_name )
/* Triggers libdvdcss autodetection */
return VLC_SUCCESS;
int fd = vlc_open( psz_name, O_RDONLY | O_NONBLOCK );
if( fd == -1 )
#ifdef HAVE_FDOPENDIR
return VLC_EGENERIC;
#else
return (errno == ENOENT) ? VLC_EGENERIC : VLC_SUCCESS;
#endif
int ret = VLC_EGENERIC;
struct stat stat_info;
if( fstat( fd, &stat_info ) == -1 )
goto bailout;
if( !S_ISREG( stat_info.st_mode ) )
{
if( S_ISDIR( stat_info.st_mode ) || S_ISBLK( stat_info.st_mode ) )
ret = VLC_SUCCESS; /* Let dvdnav_open() do the probing */
goto bailout;
}
/* ISO 9660 volume descriptor */
char iso_dsc[6];
if( lseek( fd, 0x8000 + 1, SEEK_SET ) == -1
|| read( fd, iso_dsc, sizeof (iso_dsc) ) < (int)sizeof (iso_dsc)
|| memcmp( iso_dsc, "CD001\x01", 6 ) )
goto bailout;
/* Try to find the anchor (2 bytes at LBA 256) */
uint16_t anchor;
if( lseek( fd, 256 * DVD_VIDEO_LB_LEN, SEEK_SET ) != -1
&& read( fd, &anchor, 2 ) == 2
&& GetWLE( &anchor ) == 2 )
ret = VLC_SUCCESS; /* Found a potential anchor */
bailout:
vlc_close( fd );
return ret;
}