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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 <[email protected]>
*
* 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_arrays.h>
#include <vlc_threads.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>
#include <vlc_subpicture.h> // vlc_spu_highlight_t
#include <dvdnav/dvdnav.h>
/* Expose without patching headers */
dvdnav_status_t dvdnav_jump_to_sector_by_time(dvdnav_t *, uint64_t, int32_t);
#include "../demux/mpeg/pes.h"
#include "../demux/mpeg/ps.h"
#include "../demux/timestamps_filter.h"
#include "disc_helper.h"
#define PS_SPU_ID_OFFSET 0xbd20
/*****************************************************************************
* 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_subcategory( SUBCAT_INPUT_ACCESS )
add_integer( "dvdnav-angle", 1, ANGLE_TEXT,
ANGLE_LONGTEXT )
add_bool( "dvdnav-menu", true,
MENU_TEXT, MENU_LONGTEXT )
set_capability( "access", 305 )
add_shortcut( "dvd", "dvdnav", "file" )
set_callbacks( AccessDemuxOpen, Close )
add_submodule()
set_description( N_("DVDnav demuxer") )
set_subcategory( SUBCAT_INPUT_DEMUX )
set_capability( "demux", 7 )
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;
es_out_t *p_tf_out;
/* */
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[VIDEO_PALETTE_CLUT_COUNT];
bool b_spu_change;
struct
{
bool b_pending;
bool b_from_user;
} highlight;
/* 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 *, int32_t );
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 );
#if DVDNAV_VERSION >= 60100
static void DvdNavLog( void *foo, dvdnav_logger_level_t i, const char *p, va_list z)
{
msg_GenericVa( (demux_t*)foo, i, p, z );
}
#endif
/*****************************************************************************
*
*****************************************************************************/
static const struct
{
DVDMenuID_t dvdnav_id;
const char *psz_name;
} menus_id_mapping[] = {
{ DVD_MENU_Escape, "Resume" },
{ DVD_MENU_Root, "Root" },
{ DVD_MENU_Title, "Title" },
{ DVD_MENU_Part, "Chapter" },
{ DVD_MENU_Subpicture, "Subtitle" },
{ DVD_MENU_Audio, "Audio" },
{ DVD_MENU_Angle, "Angle" },
};
static int MenuIDToSeekpoint( DVDMenuID_t menuid, int *seekpoint )
{
for( size_t i=0; i<ARRAY_SIZE(menus_id_mapping); i++ )
{
if( menus_id_mapping[i].dvdnav_id == menuid )
{
*seekpoint = i;
return VLC_SUCCESS;
}
}
return VLC_EGENERIC;
}
static int SeekpointToMenuID( int seekpoint, DVDMenuID_t *id )
{
if( (size_t) seekpoint >= ARRAY_SIZE(menus_id_mapping) )
return VLC_EGENERIC;
*id = menus_id_mapping[seekpoint].dvdnav_id;
return VLC_SUCCESS;
}
static int CallRootTitleMenu( dvdnav_t *p_dvdnav,
int *pi_title, int *pi_seekpoint )
{
const DVDMenuID_t menuids[2] = { DVD_MENU_Title, DVD_MENU_Root };
for( int i=0; i<2; i++ )
{
if( dvdnav_menu_call( p_dvdnav, menuids[i] )
== DVDNAV_STATUS_OK )
{
*pi_title = 0;
MenuIDToSeekpoint( menuids[i], pi_seekpoint );
return VLC_SUCCESS;
}
}
return VLC_EGENERIC;
}
/*****************************************************************************
* 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->p_tf_out = timestamps_filter_es_out_New( p_demux->out );
if( !p_sys->p_tf_out )
{
free( p_sys );
return VLC_EGENERIC;
}
ps_track_init( p_sys->tk );
p_sys->b_readahead = b_readahead;
vlc_mouse_Init( &p_sys->oldmouse );
/* 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.") );
timestamps_filter_es_out_Delete( p_sys->p_tf_out );
free( p_sys );
return VLC_EGENERIC;
}
if( CallRootTitleMenu( p_sys->dvdnav, &p_sys->cur_title,
&p_sys->cur_seekpoint ) )
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;
#ifdef __APPLE__
if( forced && DiscProbeMacOSPermission( p_this, psz_file ) != VLC_SUCCESS )
goto bailout;
#endif
/* Open dvdnav */
#if DVDREAD_VERSION < DVDREAD_VERSION_CODE(6, 1, 2)
/* In libdvdread prior to 6.1.2, UTF8 is not supported for windows and
* requires a prior conversion.
* For non win32/os2 platforms, this is just a no-op */
psz_path = ToLocale( psz_file );
#else
psz_path = psz_file;
#endif
#if DVDNAV_VERSION >= 60100
dvdnav_logger_cb cbs = { .pf_log = DvdNavLog };
if( dvdnav_open2( &p_dvdnav, p_demux, &cbs, psz_path ) != DVDNAV_STATUS_OK )
#else
if( dvdnav_open( &p_dvdnav, psz_path ) != DVDNAV_STATUS_OK )
#endif
{
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 DVDREAD_VERSION < DVDREAD_VERSION_CODE(6, 1, 2)
if( psz_path )
LocaleFree( psz_path );
#endif
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 *demux, uint64_t pos )
{
return vlc_stream_Seek( ((demux_t *)demux)->s, pos );
}
static int stream_cb_read( void *demux, void* buffer, int size )
{
return vlc_stream_Read( ((demux_t *)demux)->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_VERSION >= 60100
dvdnav_logger_cb cbs;
cbs.pf_log = DvdNavLog;
if( dvdnav_open_stream2( &p_dvdnav, p_demux,
&cbs, &stream_cb ) != DVDNAV_STATUS_OK )
#else
if( dvdnav_open_stream( &p_dvdnav, p_demux,
&stream_cb ) != DVDNAV_STATUS_OK )
#endif
{
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 );
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_sys->p_tf_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 );
timestamps_filter_es_out_Delete( p_sys->p_tf_out );
dvdnav_close( p_sys->dvdnav );
free( p_sys );
}
/*****************************************************************************
* Reset variables on Random Access:
*****************************************************************************/
static void RandomAccessCleanup(demux_sys_t *p_sys)
{
p_sys->highlight.b_pending = false;
}
/*****************************************************************************
* 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_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;
}
RandomAccessCleanup( p_sys );
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;
}
case DEMUX_GET_TIME:
if( p_sys->i_pgc_length > 0 )
{
*va_arg( args, vlc_tick_t * ) =
dvdnav_get_current_time( p_sys->dvdnav ) * 100 / 9;
return VLC_SUCCESS;
}
break;
case DEMUX_SET_TIME:
{
vlc_tick_t i_time = va_arg( args, vlc_tick_t );
if( dvdnav_jump_to_sector_by_time( p_sys->dvdnav,
i_time * 9 / 100,
SEEK_SET ) == DVDNAV_STATUS_OK )
return VLC_SUCCESS;
msg_Err( p_demux, "can't set time to %" PRId64, i_time );
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*** );
/* Duplicate title infos */
*ppp_title = vlc_alloc( p_sys->i_title, sizeof( input_title_t * ) );
if( !*ppp_title )
return VLC_EGENERIC;
for( i = 0; i < p_sys->i_title; i++ )
{
(*ppp_title)[i] = vlc_input_title_Duplicate( p_sys->title[i] );
if(!(*ppp_title)[i])
{
while( i )
free( (*ppp_title)[--i] );
free( *ppp_title );
return VLC_EGENERIC;
}
}
*va_arg( args, int* ) = p_sys->i_title;
*va_arg( args, int* ) = 0; /* Title offset */
*va_arg( args, int* ) = 1; /* Chapter offset */
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;
if( i != 0 )
p_sys->cur_seekpoint = 0;
else
MenuIDToSeekpoint( DVD_MENU_Root, &p_sys->cur_seekpoint );
RandomAccessCleanup( p_sys );
return VLC_SUCCESS;
case DEMUX_SET_SEEKPOINT:
i = va_arg( args, int );
if( p_sys->cur_title == 0 )
{
DVDMenuID_t menuid;
if( SeekpointToMenuID(i, &menuid) ||
dvdnav_menu_call(p_sys->dvdnav, menuid) != DVDNAV_STATUS_OK )
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;
RandomAccessCleanup( p_sys );
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]) && IsUTF8(title_name) )
{
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;
vlc_mutex_lock( &p_sys->event_lock );
ButtonUpdate( p_demux, true );
vlc_mutex_unlock( &p_sys->event_lock );
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( CallRootTitleMenu( p_sys->dvdnav, &p_sys->cur_title,
&p_sys->cur_seekpoint ) )
{
msg_Warn( p_demux, "cannot select Title/Root menu" );
return VLC_EGENERIC;
}
p_sys->updates |= INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
break;
}
case DEMUX_GET_TYPE:
{
*va_arg( args, int* ) = ITEM_TYPE_DISC;
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;
int32_t 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 ?
VLC_DEMUXER_SUCCESS : VLC_DEMUXER_EGENERIC;
}
return VLC_DEMUXER_EGENERIC;
}
vlc_mutex_lock( &p_sys->event_lock );
if(p_sys->highlight.b_pending)
ButtonUpdate(p_demux, p_sys->highlight.b_from_user);
vlc_mutex_unlock( &p_sys->event_lock );
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_sys->p_tf_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:
{
msg_Dbg( p_demux, "DVDNAV_SPU_CLUT_CHANGE" );
if ( unlikely( (size_t)i_len < sizeof( p_sys->clut ) ) )
msg_Err( p_demux, "invalid CLUT size %d", i_len );
else
{
/* Update color lookup table (16 *uint32_t in packet) */
memcpy( p_sys->clut, packet, sizeof( p_sys->clut ) );
/* HACK to get the SPU tracks registered in the right order */
for( int i = 0; i < 0x1f; i++ )
{
if( dvdnav_spu_stream_to_lang( p_sys->dvdnav, i ) != 0xffff )
ESNew( p_demux, PS_SPU_ID_OFFSET + 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 */