You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
1787 lines
55 KiB
1787 lines
55 KiB
/*****************************************************************************
|
|
* 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_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 */
|
|
for( 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_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_sys->p_tf_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;
|
|
p_sys->highlight.b_pending = false;
|
|
vlc_mutex_unlock( &p_sys->event_lock );
|
|
}
|
|
es_out_Del( p_sys->p_tf_out, tk->es );
|
|
tk->es = NULL;
|
|
}
|
|
}
|
|
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_nav_title = 0;
|
|
int32_t i_nav_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_nav_title,
|
|
&i_nav_part ) == DVDNAV_STATUS_OK )
|
|
{
|
|
const int i_title = p_sys->cur_title;
|
|
const int i_seekpoint = p_sys->cur_seekpoint;
|
|
if( i_nav_title > 0 && i_nav_title < p_sys->i_title )
|
|
{
|
|
p_sys->cur_title = i_nav_title;
|
|
if( i_nav_part > 0 &&
|
|
i_nav_part <= p_sys->title[i_nav_title]->i_seekpoint )
|
|
p_sys->cur_seekpoint = i_nav_part - 1;
|
|
else p_sys->cur_seekpoint = 0;
|
|
}
|
|
else if( i_nav_title == 0 ) /* in menus, i_part == menu id */
|
|
{
|
|
if( MenuIDToSeekpoint( i_nav_part, &p_sys->cur_seekpoint ) )
|
|
p_sys->cur_seekpoint = 0; /* non standard menu number, can't map back */
|
|
else
|
|
p_sys->cur_title = 0;
|
|
}
|
|
if( i_title != p_sys->cur_title )
|
|
p_sys->updates |= INPUT_UPDATE_TITLE;
|
|
if( i_seekpoint != p_sys->cur_seekpoint )
|
|
p_sys->updates |= INPUT_UPDATE_SEEKPOINT;
|
|
}
|
|
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_t *p_pci = dvdnav_get_current_nav_pci( p_sys->dvdnav );
|
|
if( unlikely(!p_pci) )
|
|
break;
|
|
const pci_gi_t *p_pci_gi = &p_pci->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_t *p_dsi = dvdnav_get_current_nav_dsi( p_sys->dvdnav );
|
|
if( unlikely(!p_dsi) )
|
|
break;
|
|
const dsi_gi_t *p_dsi_gi = &p_dsi->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 )
|
|
{
|
|
vlc_mutex_lock(&p_sys->event_lock);
|
|
ButtonUpdate( p_demux, false );
|
|
vlc_mutex_unlock(&p_sys->event_lock);
|
|
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 VLC_DEMUXER_EOF;
|
|
|
|
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 );
|
|
vlc_mutex_lock(&p_sys->event_lock);
|
|
ButtonUpdate( p_demux, false );
|
|
vlc_mutex_unlock(&p_sys->event_lock);
|
|
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_sys->p_tf_out, ES_OUT_RESET_PCR );
|
|
break;
|
|
|
|
case DVDNAV_WAIT:
|
|
msg_Dbg( p_demux, "DVDNAV_WAIT" );
|
|
|
|
bool b_empty;
|
|
es_out_Control( p_sys->p_tf_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 VLC_DEMUXER_SUCCESS;
|
|
}
|
|
|
|
/* 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';
|
|
|
|
pl = vlc_find_iso639( psz_lang, true );
|
|
|
|
free( psz_lang );
|
|
|
|
if( pl != 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" );
|
|
|
|
for( size_t i=0; i<ARRAY_SIZE(menus_id_mapping); i++ )
|
|
{
|
|
s = vlc_seekpoint_New();
|
|
if(!s)
|
|
break;
|
|
s->psz_name = strdup( menus_id_mapping[i].psz_name );
|
|
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;
|
|
int i_ret;
|
|
|
|
p_sys->highlight.b_pending = true;
|
|
p_sys->highlight.b_from_user = b_mode;
|
|
|
|
if( !p_sys->spu_es )
|
|
return;
|
|
|
|
if( dvdnav_current_title_info( p_sys->dvdnav, &i_title, &i_part )
|
|
!= DVDNAV_STATUS_OK )
|
|
return;
|
|
|
|
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;
|
|
}
|
|
|
|
i_ret = es_out_Control( p_sys->p_tf_out, ES_OUT_SPU_SET_HIGHLIGHT,
|
|
p_sys->spu_es, &spu_hl );
|
|
}
|
|
else
|
|
{
|
|
i_ret = es_out_Control( p_sys->p_tf_out, ES_OUT_SPU_SET_HIGHLIGHT,
|
|
p_sys->spu_es, NULL );
|
|
}
|
|
|
|
if( i_ret == VLC_SUCCESS )
|
|
{
|
|
msg_Dbg( p_demux, "menu highlight %s button=%d title=%d",
|
|
b_button_ok ? "set" : "cleared",
|
|
i_button, i_title );
|
|
p_sys->highlight.b_pending = false;
|
|
}
|
|
}
|
|
|
|
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;
|
|
|
|
vlc_mutex_lock(&p_sys->event_lock);
|
|
ButtonUpdate( p_demux, false );
|
|
vlc_mutex_unlock(&p_sys->event_lock);
|
|
|
|
if( dvdnav_current_title_info( p_sys->dvdnav, &i_title, &i_part )
|
|
!= DVDNAV_STATUS_OK || 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(PS_SPU_ID_OFFSET + i_spu)];
|
|
|
|
ESNew( p_demux, PS_SPU_ID_OFFSET + i_spu );
|
|
|
|
/* be sure to unselect it (reset) */
|
|
if( tk->es )
|
|
{
|
|
es_out_Control( p_sys->p_tf_out, ES_OUT_SET_ES_STATE, tk->es,
|
|
false );
|
|
|
|
/* now select it */
|
|
es_out_Control( p_sys->p_tf_out, ES_OUT_SET_ES, tk->es );
|
|
|
|
assert( tk->fmt.i_cat == SPU_ES );
|
|
{
|
|
vlc_mutex_lock( &p_sys->event_lock );
|
|
p_sys->spu_es = tk->es;
|
|
ButtonUpdate( p_demux, false );
|
|
vlc_mutex_unlock( &p_sys->event_lock );
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
for( i_spu = 0; i_spu <= 0x1F; i_spu++ )
|
|
{
|
|
ps_track_t *tk = &p_sys->tk[ps_id_to_tk(PS_SPU_ID_OFFSET + i_spu)];
|
|
if( tk->es )
|
|
{
|
|
es_out_Control( p_sys->p_tf_out, ES_OUT_SET_ES_STATE, tk->es,
|
|
false );
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/*****************************************************************************
|
|
* DemuxBlock: demux a given block
|
|
*****************************************************************************/
|
|
static int DemuxBlock( demux_t *p_demux, const uint8_t *p, int32_t 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 );
|
|
if( !p_pkt )
|
|
return VLC_EGENERIC;
|
|
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->p_buffer, p_pkt->i_buffer,
|
|
&i_scr, &i_mux_rate ) )
|
|
{
|
|
es_out_SetPCR( p_sys->p_tf_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->p_buffer, p_pkt->i_buffer );
|
|
if( i_id >= 0xc0 )
|
|
{
|
|
ps_track_t *tk = &p_sys->tk[ps_id_to_tk(i_id)];
|
|
|
|
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_sys->p_tf_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 )
|
|
{
|
|
demux_sys_t *p_sys = p_demux->p_sys;
|
|
|
|
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_sys->p_tf_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;
|
|
uint16_t i_lang = 0xffff;
|
|
|
|
if( tk->b_configured ) return;
|
|
|
|
if( ps_track_fill( tk, 0, i_id, NULL, 0, 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 )
|
|
{
|
|
i_lang = dvdnav_audio_stream_to_lang( p_sys->dvdnav, i_audio );
|
|
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;
|
|
i_lang = dvdnav_spu_stream_to_lang( p_sys->dvdnav, i_id&0x1f );
|
|
|
|
/* Palette */
|
|
tk->fmt.subs.spu.b_palette = true;
|
|
static_assert(sizeof(tk->fmt.subs.spu.palette) == sizeof(p_sys->clut),
|
|
"CLUT palette size mismatch");
|
|
memcpy( tk->fmt.subs.spu.palette, p_sys->clut, sizeof( p_sys->clut ) );
|
|
|
|
/* We select only when we are not in the menu */
|
|
if( dvdnav_current_title_info( p_sys->dvdnav, &i_title, &i_part ) == DVDNAV_STATUS_OK &&
|
|
i_title > 0 &&
|
|
dvdnav_get_active_spu_stream( p_sys->dvdnav ) == (i_id&0x1f) )
|
|
{
|
|
b_select = true;
|
|
}
|
|
}
|
|
|
|
if( i_lang != 0xffff )
|
|
{
|
|
tk->fmt.psz_language = malloc( 3 );
|
|
if( tk->fmt.psz_language )
|
|
{
|
|
SetWBE(tk->fmt.psz_language, i_lang);
|
|
tk->fmt.psz_language[2] = 0;
|
|
}
|
|
}
|
|
|
|
tk->fmt.i_id = i_id;
|
|
tk->es = es_out_Add( p_sys->p_tf_out, &tk->fmt );
|
|
if( b_select && tk->es )
|
|
{
|
|
es_out_Control( p_sys->p_tf_out, ES_OUT_SET_ES, tk->es );
|
|
|
|
if( tk->fmt.i_cat == VIDEO_ES )
|
|
{
|
|
es_out_Control( p_sys->p_tf_out, ES_OUT_VOUT_SET_MOUSE_EVENT, tk->es,
|
|
EventMouse, p_demux );
|
|
vlc_mutex_lock( &p_sys->event_lock );
|
|
ButtonUpdate( p_demux, false );
|
|
vlc_mutex_unlock( &p_sys->event_lock );
|
|
}
|
|
}
|
|
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_ISBLK( stat_info.st_mode ) )
|
|
{
|
|
ret = VLC_SUCCESS; /* Let dvdnav_open() do the probing */
|
|
goto bailout;
|
|
}
|
|
if( S_ISDIR( stat_info.st_mode ) )
|
|
{
|
|
// If we have directory, check if VIDEO_TS/VIDEO_TS.IFO exists, as
|
|
// dvdnav will check and fail without it
|
|
char *video_ts_location;
|
|
if( asprintf( &video_ts_location, "%s/VIDEO_TS/VIDEO_TS.IFO", psz_name) == -1 )
|
|
{
|
|
ret = VLC_EGENERIC;
|
|
goto bailout;
|
|
}
|
|
|
|
if( access(video_ts_location, R_OK) == -1 )
|
|
ret = VLC_EGENERIC;
|
|
else
|
|
ret = VLC_SUCCESS;
|
|
free( video_ts_location );
|
|
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;
|
|
}
|
|
|