git.sesse.net Git - vlc/blob - modules/demux/dvdnav.c

   1 /*****************************************************************************
   2  * dvdnav.c: DVD module using the dvdnav library.
   3  *****************************************************************************
   4  * Copyright (C) 2004 VideoLAN
   5  * $Id$
   6  *
   7  * Authors: Laurent Aimar <fenrir@via.ecp.fr>
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
  22  *****************************************************************************/
  23
  24 /*****************************************************************************
  25  * Preamble
  26  *****************************************************************************/
  27 #include <stdlib.h>
  28
  29 #include <vlc/vlc.h>
  30 #include <vlc/input.h>
  31
  32 #include "vlc_keys.h"
  33 #include "iso_lang.h"
  34
  35 #include <dvdnav/dvdnav.h>
  36
  37 #include "ps.h"
  38
  39 /*****************************************************************************
  40  * Module descriptor
  41  *****************************************************************************/
  42 #define CACHING_TEXT N_("caching value in ms")
  43 #define CACHING_LONGTEXT N_( \
  44     "Allows you to modify the default caching value for DVDnav streams. This "\
  45     "value should be set in millisecond units." )
  46
  47 static int  AccessOpen ( vlc_object_t * );
  48 static void AccessClose( vlc_object_t * );
  49
  50 static int  DemuxOpen ( vlc_object_t * );
  51 static void DemuxClose( vlc_object_t * );
  52
  53 vlc_module_begin();
  54     set_description( _("DVDnav Input") );
  55     add_integer( "dvdnav-caching", DEFAULT_PTS_DELAY / 1000, NULL,
  56         CACHING_TEXT, CACHING_LONGTEXT, VLC_TRUE );
  57     set_capability( "access", 0 );
  58     add_shortcut( "dvdnav" );
  59     add_shortcut( "dvdnavsimple" );
  60     set_callbacks( AccessOpen, AccessClose );
  61
  62     add_submodule();
  63         set_description( _("DVDnav Input (demux)") );
  64         set_capability( "demux2", 0 );
  65         add_shortcut( "dvdnav" );
  66         add_shortcut( "dvdnavsimple" );
  67         set_callbacks( DemuxOpen, DemuxClose );
  68 vlc_module_end();
  69
  70 /* TODO
  71  *  - use dvdnav_get_next_cache_block/dvdnav_free_cache_block
  72  *  - all
  73  *  - once done the new input API remove the pseudo access
  74  *  - ...
  75  */
  76
  77 /*****************************************************************************
  78  * Local prototypes
  79  *****************************************************************************/
  80 static ssize_t AccessRead( input_thread_t *, byte_t *, size_t ); /* dummy */
  81 static char *ParseCL( vlc_object_t *, char *, vlc_bool_t, int *, int *, int *);
  82
  83 typedef struct
  84 {
  85     VLC_COMMON_MEMBERS
  86
  87     demux_t        *p_demux;
  88     vlc_mutex_t     lock;
  89
  90     vlc_bool_t      b_moved;
  91     vlc_bool_t      b_clicked;
  92     vlc_bool_t      b_key;
  93
  94     vlc_bool_t      b_still;
  95     int64_t         i_still_end;
  96
  97 } event_thread_t;
  98
  99 static int EventThread( vlc_object_t * );
 100
 101 struct demux_sys_t
 102 {
 103     dvdnav_t    *dvdnav;
 104
 105     /* track */
 106     ps_track_t  tk[PS_TK_COUNT];
 107
 108     /* for spu variables */
 109     input_thread_t *p_input;
 110
 111     /* event */
 112     event_thread_t *p_ev;
 113
 114     /* FIXME */
 115     uint8_t     alpha[4];
 116     uint32_t    clut[16];
 117
 118     /* */
 119     int i_aspect;
 120
 121     /* */
 122     vlc_bool_t  b_es_out_ok;
 123     vlc_bool_t  b_simple;
 124 };
 125
 126 static int DemuxControl( demux_t *, int, va_list );
 127 static int DemuxDemux  ( demux_t * );
 128 static int DemuxBlock  ( demux_t *, uint8_t *pkt, int i_pkt );
 129
 130 enum
 131 {
 132     AR_SQUARE_PICTURE = 1,                          /* square pixels */
 133     AR_3_4_PICTURE    = 2,                       /* 3:4 picture (TV) */
 134     AR_16_9_PICTURE   = 3,             /* 16:9 picture (wide screen) */
 135     AR_221_1_PICTURE  = 4,                 /* 2.21:1 picture (movie) */
 136 };
 137
 138 static int MenusCallback( vlc_object_t *, char const *,
 139                           vlc_value_t, vlc_value_t, void * );
 140
 141 static void ESSubtitleUpdate( demux_t * );
 142 static void ButtonUpdate( demux_t * );
 143
 144 /*****************************************************************************
 145  * Open: see if dvdnav can handle the input and if so force dvdnav demux
 146  *****************************************************************************
 147  * For now it has to be like that (ie open dvdnav twice) but will be fixed
 148  * when a demux can work without an access module.
 149  *****************************************************************************/
 150 static int AccessOpen( vlc_object_t *p_this )
 151 {
 152     input_thread_t *p_input = (input_thread_t *)p_this;
 153     dvdnav_t       *dvdnav;
 154     int            i_title, i_chapter, i_angle;
 155     char           *psz_name;
 156     vlc_value_t    val;
 157     vlc_bool_t     b_force;
 158
 159     /* We try only if we are forced */
 160     if( p_input->psz_demux && *p_input->psz_demux &&
 161         strncmp( p_input->psz_demux, "dvdnav", 6 ) )
 162     {
 163         msg_Warn( p_input, "dvdnav access discarded (demuxer forced)" );
 164         return VLC_EGENERIC;
 165     }
 166
 167     b_force = p_input->psz_access &&
 168               !strncmp( p_input->psz_access, "dvdnav", 6 );
 169
 170     psz_name = ParseCL( VLC_OBJECT(p_input), p_input->psz_name, b_force,
 171                         &i_title, &i_chapter, &i_angle );
 172     if( !psz_name )
 173     {
 174         return VLC_EGENERIC;
 175     }
 176
 177     /* Test dvdnav */
 178     if( dvdnav_open( &dvdnav, psz_name ) != DVDNAV_STATUS_OK )
 179     {
 180         msg_Warn( p_input, "cannot open dvdnav" );
 181         free( psz_name );
 182         return VLC_EGENERIC;
 183     }
 184     dvdnav_close( dvdnav );
 185     free( psz_name );
 186
 187     /* Fill p_input fields */
 188     p_input->pf_read = AccessRead;
 189     p_input->pf_set_program = input_SetProgram;
 190     p_input->pf_set_area = NULL;
 191     p_input->pf_seek = NULL;
 192
 193     vlc_mutex_lock( &p_input->stream.stream_lock );
 194     p_input->stream.b_pace_control = VLC_TRUE;
 195     p_input->stream.b_seekable = VLC_TRUE;
 196     p_input->stream.p_selected_area->i_tell = 0;
 197     p_input->stream.p_selected_area->i_size = 0;
 198     p_input->stream.i_method = INPUT_METHOD_DVD;
 199     vlc_mutex_unlock( &p_input->stream.stream_lock );
 200     p_input->i_mtu = 0;
 201
 202     /* Force dvdnav demux */
 203     if( p_input->psz_access && !strncmp(p_input->psz_access, "dvdnav", 6 ) )
 204         p_input->psz_demux = strdup( p_input->psz_access );
 205     else
 206         p_input->psz_demux = strdup( "dvdnav" );
 207
 208     /* Update default_pts to a suitable value for udp access */
 209     var_Create( p_input, "dvdnav-caching", VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
 210     var_Get( p_input, "dvdnav-caching", &val );
 211     p_input->i_pts_delay = val.i_int * 1000;
 212
 213     return VLC_SUCCESS;
 214 }
 215
 216 /*****************************************************************************
 217  * Close: free unused data structures
 218  *****************************************************************************/
 219 static void AccessClose( vlc_object_t *p_this )
 220 {
 221 }
 222
 223 /*****************************************************************************
 224  * Read: Should not be called (ie not used by the dvdnav demuxer)
 225  *****************************************************************************/
 226 static ssize_t AccessRead( input_thread_t *p_input, byte_t *p_buffer,
 227                            size_t i_len )
 228 {
 229     memset( p_buffer, 0, i_len );
 230     return i_len;
 231 }
 232
 233 /*****************************************************************************
 234  * ParseCL: parse command line
 235  *****************************************************************************/
 236 static char *ParseCL( vlc_object_t *p_this, char *psz_name, vlc_bool_t b_force,
 237                       int *i_title, int *i_chapter, int *i_angle )
 238 {
 239     char *psz_parser, *psz_source, *psz_next;
 240
 241     psz_source = strdup( psz_name );
 242     if( psz_source == NULL ) return NULL;
 243
 244     *i_title = 0;
 245     *i_chapter = 1;
 246     *i_angle = 1;
 247
 248     /* Start with the end, because you could have :
 249      * dvdnav:/Volumes/my@toto/VIDEO_TS@1,1
 250      * (yes, this is kludgy). */
 251     for( psz_parser = psz_source + strlen(psz_source) - 1;
 252          psz_parser >= psz_source && *psz_parser != '@';
 253          psz_parser-- );
 254
 255     if( psz_parser >= psz_source && *psz_parser == '@' )
 256     {
 257         /* Found options */
 258         *psz_parser = '\0';
 259         ++psz_parser;
 260
 261         *i_title = (int)strtol( psz_parser, &psz_next, 10 );
 262         if( *psz_next )
 263         {
 264             psz_parser = psz_next + 1;
 265             *i_chapter = (int)strtol( psz_parser, &psz_next, 10 );
 266             if( *psz_next )
 267             {
 268                 *i_angle = (int)strtol( psz_next + 1, NULL, 10 );
 269             }
 270         }
 271     }
 272
 273     *i_title   = *i_title >= 0 ? *i_title : 0;
 274     *i_chapter = *i_chapter    ? *i_chapter : 1;
 275     *i_angle   = *i_angle      ? *i_angle : 1;
 276
 277     if( !*psz_source )
 278     {
 279         free( psz_source );
 280         if( !b_force )
 281         {
 282             return NULL;
 283         }
 284         psz_source = config_GetPsz( p_this, "dvd" );
 285         if( !psz_source ) return NULL;
 286     }
 287
 288     msg_Dbg( p_this, "dvdroot=%s title=%d chapter=%d angle=%d",
 289              psz_source, *i_title, *i_chapter, *i_angle );
 290
 291     return psz_source;
 292 }
 293
 294 /*****************************************************************************
 295  * DemuxOpen:
 296  *****************************************************************************/
 297 static int DemuxOpen( vlc_object_t *p_this )
 298 {
 299     demux_t     *p_demux = (demux_t*)p_this;
 300     demux_sys_t *p_sys;
 301     vlc_value_t val, text;
 302     int         i_title, i_titles, i_chapter, i_chapters, i_angle, i;
 303     char        *psz_name;
 304
 305     if( strncmp( p_demux->psz_access, "dvdnav", 6 ) ||
 306         strncmp( p_demux->psz_demux,  "dvdnav", 6 ) )
 307     {
 308         msg_Warn( p_demux, "dvdnav module discarded" );
 309         return VLC_EGENERIC;
 310     }
 311
 312     psz_name = ParseCL( VLC_OBJECT(p_demux), p_demux->psz_path, VLC_TRUE,
 313                         &i_title, &i_chapter, &i_angle );
 314     if( !psz_name )
 315     {
 316         return VLC_EGENERIC;
 317     }
 318
 319     /* Init p_sys */
 320     p_demux->p_sys = p_sys = malloc( sizeof( demux_sys_t ) );
 321     memset( p_sys, 0, sizeof( demux_sys_t ) );
 322
 323     p_sys->b_simple =
 324         strcmp( p_demux->psz_access, "dvdnavsimple" ) ? VLC_FALSE : VLC_TRUE;
 325     if( p_sys->b_simple && i_title < 1 )
 326     {
 327         /* Skip menu part */
 328         i_title = 1;
 329     }
 330
 331     ps_track_init( p_sys->tk );
 332     p_sys->i_aspect = -1;
 333     p_sys->b_es_out_ok = VLC_FALSE;
 334
 335     /* Open dvdnav */
 336     if( dvdnav_open( &p_sys->dvdnav, psz_name ) != DVDNAV_STATUS_OK )
 337     {
 338         msg_Warn( p_demux, "cannot open dvdnav" );
 339         free( psz_name );
 340         return VLC_EGENERIC;
 341     }
 342     free( psz_name );
 343
 344     /* Configure dvdnav */
 345     if( dvdnav_set_readahead_flag( p_sys->dvdnav, 1 ) != DVDNAV_STATUS_OK )
 346     {
 347         msg_Warn( p_demux, "cannot set read-a-head flag" );
 348     }
 349
 350     if( dvdnav_set_PGC_positioning_flag( p_sys->dvdnav, 1 ) !=
 351           DVDNAV_STATUS_OK )
 352     {
 353         msg_Warn( p_demux, "cannot set PGC positioning flag" );
 354     }
 355
 356     if( dvdnav_menu_language_select ( p_sys->dvdnav,"en") != DVDNAV_STATUS_OK||
 357         dvdnav_audio_language_select( p_sys->dvdnav,"en") != DVDNAV_STATUS_OK||
 358         dvdnav_spu_language_select  ( p_sys->dvdnav,"en") != DVDNAV_STATUS_OK )
 359     {
 360         msg_Warn( p_demux, "something failed while setting en language (%s)",
 361                   dvdnav_err_to_string( p_sys->dvdnav ) );
 362     }
 363
 364     /* Find out number of titles/chapters */
 365     dvdnav_get_number_of_titles( p_sys->dvdnav, &i_titles );
 366     for( i = 1; i <= i_titles; i++ )
 367     {
 368         i_chapters = 0;
 369         dvdnav_get_number_of_parts( p_sys->dvdnav, i, &i_chapters );
 370     }
 371
 372     if( dvdnav_title_play( p_sys->dvdnav, i_title ) !=
 373           DVDNAV_STATUS_OK )
 374     {
 375         msg_Warn( p_demux, "cannot set title/chapter" );
 376     }
 377     if( !p_sys->b_simple )
 378     {
 379         /* Get p_input and create variable */
 380         p_sys->p_input =
 381             vlc_object_find( p_demux, VLC_OBJECT_INPUT, FIND_ANYWHERE );
 382         var_Create( p_sys->p_input, "x-start", VLC_VAR_INTEGER );
 383         var_Create( p_sys->p_input, "y-start", VLC_VAR_INTEGER );
 384         var_Create( p_sys->p_input, "x-end", VLC_VAR_INTEGER );
 385         var_Create( p_sys->p_input, "y-end", VLC_VAR_INTEGER );
 386         var_Create( p_sys->p_input, "color", VLC_VAR_ADDRESS );
 387         var_Create( p_sys->p_input, "contrast", VLC_VAR_ADDRESS );
 388         var_Create( p_sys->p_input, "highlight", VLC_VAR_BOOL );
 389         var_Create( p_sys->p_input, "highlight-mutex", VLC_VAR_MUTEX );
 390
 391         /* Create a few object variables used for navigation in the interfaces */
 392         var_Create( p_sys->p_input, "dvd_menus",
 393                     VLC_VAR_INTEGER | VLC_VAR_HASCHOICE | VLC_VAR_ISCOMMAND );
 394         text.psz_string = _("DVD menus");
 395         var_Change( p_sys->p_input, "dvd_menus", VLC_VAR_SETTEXT, &text, NULL );
 396         var_AddCallback( p_sys->p_input, "dvd_menus", MenusCallback, p_demux );
 397         val.i_int = DVD_MENU_Escape; text.psz_string = _("Resume");
 398         var_Change( p_sys->p_input, "dvd_menus", VLC_VAR_ADDCHOICE, &val, &text );
 399         val.i_int = DVD_MENU_Root; text.psz_string = _("Root");
 400         var_Change( p_sys->p_input, "dvd_menus", VLC_VAR_ADDCHOICE, &val, &text );
 401         val.i_int = DVD_MENU_Title; text.psz_string = _("Title");
 402         var_Change( p_sys->p_input, "dvd_menus", VLC_VAR_ADDCHOICE, &val, &text );
 403         val.i_int = DVD_MENU_Part; text.psz_string = _("Chapter");
 404         var_Change( p_sys->p_input, "dvd_menus", VLC_VAR_ADDCHOICE, &val, &text );
 405         val.i_int = DVD_MENU_Subpicture; text.psz_string = _("Subtitle");
 406         var_Change( p_sys->p_input, "dvd_menus", VLC_VAR_ADDCHOICE, &val, &text );
 407         val.i_int = DVD_MENU_Audio; text.psz_string = _("Audio");
 408         var_Change( p_sys->p_input, "dvd_menus", VLC_VAR_ADDCHOICE, &val, &text );
 409         val.i_int = DVD_MENU_Angle; text.psz_string = _("Angle");
 410         var_Change( p_sys->p_input, "dvd_menus", VLC_VAR_ADDCHOICE, &val, &text );
 411
 412     /* Now create our event thread catcher */
 413         p_sys->p_ev = vlc_object_create( p_demux, sizeof( event_thread_t ) );
 414         p_sys->p_ev->p_demux = p_demux;
 415         vlc_thread_create( p_sys->p_ev, "dvdnav event thread handler", EventThread,
 416                            VLC_THREAD_PRIORITY_LOW, VLC_FALSE );
 417     }
 418
 419     /* fill p_demux field */
 420     p_demux->pf_control = DemuxControl;
 421     p_demux->pf_demux = DemuxDemux;
 422
 423     return VLC_SUCCESS;
 424 }
 425
 426 /*****************************************************************************
 427  * DemuxClose:
 428  *****************************************************************************/
 429 static void DemuxClose( vlc_object_t *p_this )
 430 {
 431     demux_t     *p_demux = (demux_t*)p_this;
 432     demux_sys_t *p_sys = p_demux->p_sys;
 433
 434     if( !p_sys->b_simple )
 435     {
 436         /* stop the event handler */
 437         p_sys->p_ev->b_die = VLC_TRUE;
 438         vlc_thread_join( p_sys->p_ev );
 439         vlc_object_destroy( p_sys->p_ev );
 440
 441         var_Destroy( p_sys->p_input, "highlight-mutex" );
 442         var_Destroy( p_sys->p_input, "highlight" );
 443         var_Destroy( p_sys->p_input, "x-start" );
 444         var_Destroy( p_sys->p_input, "x-end" );
 445         var_Destroy( p_sys->p_input, "y-start" );
 446         var_Destroy( p_sys->p_input, "y-end" );
 447         var_Destroy( p_sys->p_input, "color" );
 448         var_Destroy( p_sys->p_input, "contrast" );
 449
 450         vlc_object_release( p_sys->p_input );
 451     }
 452
 453     dvdnav_close( p_sys->dvdnav );
 454     free( p_sys );
 455 }
 456
 457 /*****************************************************************************
 458  * DemuxControl:
 459  *****************************************************************************/
 460 static int DemuxControl( demux_t *p_demux, int i_query, va_list args )
 461 {
 462     demux_sys_t *p_sys = p_demux->p_sys;
 463     double f, *pf;
 464
 465     switch( i_query )
 466     {
 467         case DEMUX_GET_POSITION:
 468         {
 469             uint32_t pos, len;
 470             pf = (double*) va_arg( args, double* );
 471             if( dvdnav_get_position( p_sys->dvdnav, &pos, &len ) ==
 472                   DVDNAV_STATUS_OK && len > 0 )
 473             {
 474                 *pf = (double)pos / (double)len;
 475             }
 476             else
 477             {
 478                 *pf = 0.0;
 479             }
 480             return VLC_SUCCESS;
 481         }
 482         case DEMUX_SET_POSITION:
 483         {
 484             uint32_t pos, len;
 485             f = (double) va_arg( args, double );
 486             if( dvdnav_get_position( p_sys->dvdnav, &pos, &len ) ==
 487                   DVDNAV_STATUS_OK && len > 0 )
 488             {
 489                 pos = f * len;
 490                 if( dvdnav_sector_search( p_sys->dvdnav, pos, SEEK_SET ) ==
 491                       DVDNAV_STATUS_OK )
 492                 {
 493                     return VLC_SUCCESS;
 494                 }
 495             }
 496             return VLC_EGENERIC;
 497         }
 498
 499         /* TODO implement others */
 500         default:
 501             return VLC_EGENERIC;
 502     }
 503 }
 504
 505 /*****************************************************************************
 506  * DemuxDemux:
 507  *****************************************************************************/
 508 static int DemuxDemux( demux_t *p_demux )
 509 {
 510     demux_sys_t *p_sys = p_demux->p_sys;
 511
 512     uint8_t packet[DVD_VIDEO_LB_LEN];
 513     int i_event;
 514     int i_len;
 515
 516     if( !p_sys->b_es_out_ok )
 517     {
 518         if( !p_sys->b_simple )
 519         {
 520             /* We do ourself the selection/unselection
 521              * Problem: bypass --audio-channel and --spu-channel
 522              * Solution: call ourself dvdnav_??set_channel -> TODO
 523              */
 524             es_out_Control( p_demux->out, ES_OUT_SET_MODE, ES_OUT_MODE_NONE );
 525         }
 526
 527         p_sys->b_es_out_ok = VLC_TRUE;
 528     }
 529
 530     if( dvdnav_get_next_block( p_sys->dvdnav, packet, &i_event, &i_len ) ==
 531           DVDNAV_STATUS_ERR )
 532     {
 533         msg_Warn( p_demux, "cannot get next block (%s)",
 534                   dvdnav_err_to_string( p_sys->dvdnav ) );
 535         return -1;
 536     }
 537
 538     switch( i_event )
 539     {
 540     case DVDNAV_BLOCK_OK:   /* mpeg block */
 541         DemuxBlock( p_demux, packet, i_len );
 542         break;
 543
 544     case DVDNAV_NOP:    /* Nothing */
 545         msg_Dbg( p_demux, "DVDNAV_NOP" );
 546         break;
 547
 548     case DVDNAV_STILL_FRAME:
 549     {
 550         dvdnav_still_event_t *event = (dvdnav_still_event_t*)packet;
 551         if( !p_sys->b_simple )
 552         {
 553             vlc_mutex_lock( &p_sys->p_ev->lock );
 554             if( !p_sys->p_ev->b_still )
 555             {
 556                 msg_Dbg( p_demux, "DVDNAV_STILL_FRAME" );
 557                 msg_Dbg( p_demux, "     - length=0x%x", event->length );
 558                 p_sys->p_ev->b_still = VLC_TRUE;
 559                 if( event->length == 0xff )
 560                 {
 561                     p_sys->p_ev->i_still_end = 0;
 562                 }
 563                 else
 564                 {
 565                     p_sys->p_ev->i_still_end = (int64_t)event->length *
 566                         1000000 + mdate() + p_sys->p_input->i_pts_delay;
 567                 }
 568             }
 569             vlc_mutex_unlock( &p_sys->p_ev->lock );
 570             msleep( 40000 );
 571         }
 572         else
 573         {
 574             dvdnav_still_skip( p_sys->dvdnav );
 575         }
 576         break;
 577     }
 578     case DVDNAV_SPU_STREAM_CHANGE:
 579     {
 580         dvdnav_spu_stream_change_event_t *event =
 581             (dvdnav_spu_stream_change_event_t*)packet;
 582         msg_Dbg( p_demux, "DVDNAV_SPU_STREAM_CHANGE" );
 583         msg_Dbg( p_demux, "     - physical_wide=%d",
 584                  event->physical_wide );
 585         msg_Dbg( p_demux, "     - physical_letterbox=%d",
 586                  event->physical_letterbox);
 587         msg_Dbg( p_demux, "     - physical_pan_scan=%d",
 588                  event->physical_pan_scan );
 589
 590         if( !p_sys->b_simple )
 591         {
 592             ESSubtitleUpdate( p_demux );
 593         }
 594         break;
 595     }
 596     case DVDNAV_AUDIO_STREAM_CHANGE:
 597     {
 598         dvdnav_audio_stream_change_event_t *event =
 599             (dvdnav_audio_stream_change_event_t*)packet;
 600         msg_Dbg( p_demux, "DVDNAV_AUDIO_STREAM_CHANGE" );
 601         msg_Dbg( p_demux, "     - physical=%d", event->physical );
 602         /* TODO */
 603         break;
 604     }
 605     case DVDNAV_VTS_CHANGE:
 606     {
 607         int i;
 608         dvdnav_vts_change_event_t *event = (dvdnav_vts_change_event_t*)packet;
 609         msg_Dbg( p_demux, "DVDNAV_VTS_CHANGE" );
 610         msg_Dbg( p_demux, "     - vtsN=%d", event->new_vtsN );
 611         msg_Dbg( p_demux, "     - domain=%d", event->new_domain );
 612
 613         /* dvdnav_get_video_aspect / dvdnav_get_video_scale_permission */
 614         /* TODO check if we alsways have VTS and CELL */
 615         p_sys->i_aspect = dvdnav_get_video_aspect( p_sys->dvdnav );
 616
 617         /* reset PCR */
 618         es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
 619
 620         for( i = 0; i < PS_TK_COUNT; i++ )
 621         {
 622             ps_track_t *tk = &p_sys->tk[i];
 623             if( tk->b_seen && tk->es )
 624             {
 625                 es_out_Del( p_demux->out, tk->es );
 626             }
 627             tk->b_seen = VLC_FALSE;
 628         }
 629
 630         if( p_sys->b_simple )
 631         {
 632             int32_t i_title = 0;
 633             int32_t i_part  = 0;
 634             if( dvdnav_current_title_info( p_sys->dvdnav, &i_title, &i_part ) == DVDNAV_STATUS_OK )
 635             {
 636                 if( i_title == 0 )
 637                 {
 638                     /* we have returned in menu, stop dvd */
 639                     /* FIXME is it the right way ? */
 640                     return 0;
 641                 }
 642             }
 643         }
 644         break;
 645     }
 646     case DVDNAV_CELL_CHANGE:
 647     {
 648         dvdnav_cell_change_event_t *event =
 649             (dvdnav_cell_change_event_t*)packet;
 650         msg_Dbg( p_demux, "DVDNAV_CELL_CHANGE" );
 651         msg_Dbg( p_demux, "     - cellN=%d", event->cellN );
 652         msg_Dbg( p_demux, "     - pgN=%d", event->pgN );
 653         msg_Dbg( p_demux, "     - cell_length=%lld", event->cell_length );
 654         msg_Dbg( p_demux, "     - pg_length=%lld", event->pg_length );
 655         msg_Dbg( p_demux, "     - pgc_length=%lld", event->pgc_length );
 656         msg_Dbg( p_demux, "     - cell_start=%lld", event->cell_start );
 657         msg_Dbg( p_demux, "     - pg_start=%lld", event->pg_start );
 658         break;
 659     }
 660     case DVDNAV_NAV_PACKET:
 661     {
 662         msg_Dbg( p_demux, "DVDNAV_NAV_PACKET" );
 663         /* A lot of thing to do here :
 664          *  - handle packet
 665          *  - fetch pts (for time display)
 666          *  - ...
 667          */
 668         DemuxBlock( p_demux, packet, i_len );
 669         break;
 670     }
 671     case DVDNAV_STOP:   /* EOF */
 672         msg_Dbg( p_demux, "DVDNAV_STOP" );
 673         return 0;
 674
 675     case DVDNAV_HIGHLIGHT:
 676     {
 677         dvdnav_highlight_event_t *event = (dvdnav_highlight_event_t*)packet;
 678         msg_Dbg( p_demux, "DVDNAV_HIGHLIGHT" );
 679         msg_Dbg( p_demux, "     - display=%d", event->display );
 680         msg_Dbg( p_demux, "     - buttonN=%d", event->buttonN );
 681         if( !p_sys->b_simple )
 682         {
 683             ButtonUpdate( p_demux );
 684         }
 685         break;
 686     }
 687
 688     case DVDNAV_SPU_CLUT_CHANGE:
 689         msg_Dbg( p_demux, "DVDNAV_SPU_CLUT_CHANGE" );
 690         /* Update color lookup table (16 *uint32_t in packet) */
 691         memcpy( p_sys->clut, packet, 16 * sizeof( uint32_t ) );
 692         break;
 693
 694     case DVDNAV_HOP_CHANNEL:
 695         msg_Dbg( p_demux, "DVDNAV_HOP_CHANNEL" );
 696         /* We should try to flush all our internal buffer */
 697         break;
 698
 699     case DVDNAV_WAIT:
 700         msg_Dbg( p_demux, "DVDNAV_WAIT" );
 701
 702         dvdnav_wait_skip( p_sys->dvdnav );
 703         break;
 704
 705     default:
 706         msg_Warn( p_demux, "Unknown event (0x%x)", i_event );
 707         break;
 708     }
 709
 710     return 1;
 711 }
 712 /*****************************************************************************
 713  * Update functions:
 714  *****************************************************************************/
 715 static void ButtonUpdate( demux_t *p_demux )
 716 {
 717     demux_sys_t *p_sys = p_demux->p_sys;
 718     vlc_value_t val;
 719     int32_t i_title, i_part;
 720
 721     dvdnav_current_title_info( p_sys->dvdnav, &i_title, &i_part );
 722
 723     if( var_Get( p_sys->p_input, "highlight-mutex", &val ) == VLC_SUCCESS )
 724     {
 725         vlc_mutex_t *p_mutex = val.p_address;
 726         dvdnav_highlight_area_t hl;
 727         int32_t i_button;
 728
 729         if( dvdnav_get_current_highlight( p_sys->dvdnav, &i_button ) != DVDNAV_STATUS_OK )
 730         {
 731             msg_Err( p_demux, "dvdnav_get_current_highlight failed" );
 732             return;
 733         }
 734
 735         if( i_button > 0 && i_title ==  0 )
 736         {
 737             pci_t *pci = dvdnav_get_current_nav_pci( p_sys->dvdnav );
 738
 739             dvdnav_get_highlight_area( pci, i_button, 1, &hl );
 740
 741             /* I fear it is plain wrong */
 742             //val.p_address = (void *)&hl.palette;
 743             p_sys->alpha[0] = hl.palette&0x0f;
 744             p_sys->alpha[1] = (hl.palette>>4)&0x0f;
 745             p_sys->alpha[2] = (hl.palette>>8)&0x0f;
 746             p_sys->alpha[3] = (hl.palette>>12)&0x0f;
 747
 748             vlc_mutex_lock( p_mutex );
 749             val.i_int = hl.sx; var_Set( p_sys->p_input, "x-start", val );
 750             val.i_int = hl.ex; var_Set( p_sys->p_input, "x-end", val );
 751             val.i_int = hl.sy; var_Set( p_sys->p_input, "y-start", val );
 752             val.i_int = hl.ey; var_Set( p_sys->p_input, "y-end", val );
 753
 754             val.p_address = (void *)p_sys->alpha;
 755             var_Set( p_sys->p_input, "contrast", val );
 756
 757             val.b_bool = VLC_TRUE; var_Set( p_sys->p_input, "highlight", val );
 758             vlc_mutex_unlock( p_mutex );
 759
 760             msg_Dbg( p_demux, "buttonUpdate %d", i_button );
 761         }
 762         else
 763         {
 764             msg_Dbg( p_demux, "buttonUpdate not done b=%d t=%d", i_button, i_title );
 765
 766             /* Show all */
 767             vlc_mutex_lock( p_mutex );
 768             val.b_bool = VLC_FALSE; var_Set( p_sys->p_input, "highlight", val );
 769             vlc_mutex_unlock( p_mutex );
 770         }
 771     }
 772 }
 773
 774 static void ESNew( demux_t *p_demux, int i_id );
 775
 776 static void ESSubtitleUpdate( demux_t *p_demux )
 777 {
 778     demux_sys_t *p_sys = p_demux->p_sys;
 779     int         i_spu = dvdnav_get_active_spu_stream( p_sys->dvdnav );
 780     int32_t i_title, i_part;
 781
 782     ButtonUpdate( p_demux );
 783
 784     dvdnav_current_title_info( p_sys->dvdnav, &i_title, &i_part );
 785     if( i_title > 0 )
 786     {
 787         return;
 788     }
 789
 790     if( i_spu >= 0 && i_spu <= 0x1f )
 791     {
 792         ps_track_t *tk = &p_sys->tk[PS_ID_TO_TK(0xbd20 + i_spu)];
 793
 794         if( !tk->b_seen )
 795         {
 796             ESNew( p_demux, 0xbd20 + i_spu);
 797         }
 798         /* be sure to unselect it (reset) */
 799         es_out_Control( p_demux->out, ES_OUT_SET_ES_STATE, tk->es,
 800                         (vlc_bool_t)VLC_FALSE );
 801
 802         /* now select it */
 803         es_out_Control( p_demux->out, ES_OUT_SET_ES, tk->es );
 804     }
 805     else
 806     {
 807         for( i_spu = 0; i_spu <= 0x1F; i_spu++ )
 808         {
 809             ps_track_t *tk = &p_sys->tk[PS_ID_TO_TK(0xbd20 + i_spu)];
 810             if( tk->b_seen )
 811             {
 812                 es_out_Control( p_demux->out, ES_OUT_SET_ES_STATE, tk->es,
 813                                 (vlc_bool_t)VLC_FALSE );
 814             }
 815         }
 816     }
 817 }
 818
 819
 820 /*****************************************************************************
 821  * DemuxBlock: demux a given block
 822  *****************************************************************************/
 823 static int DemuxBlock( demux_t *p_demux, uint8_t *pkt, int i_pkt )
 824 {
 825     demux_sys_t *p_sys = p_demux->p_sys;
 826     uint8_t     *p = pkt;
 827
 828     while( p < &pkt[i_pkt] )
 829     {
 830         int i_size = ps_pkt_size( p, &pkt[i_pkt] - p );
 831         block_t *p_pkt;
 832         if( i_size <= 0 )
 833         {
 834             break;
 835         }
 836
 837         /* Create a block */
 838         p_pkt = block_New( p_demux, i_size );
 839         memcpy( p_pkt->p_buffer, p, i_size);
 840
 841         /* Parse it and send it */
 842         switch( 0x100 | p[3] )
 843         {
 844         case 0x1b9:
 845         case 0x1bb:
 846         case 0x1bc:
 847             if( p[3] == 0xbc )
 848             {
 849                 msg_Warn( p_demux, "received a PSM packet" );
 850             }
 851             else if( p[3] == 0xbb )
 852             {
 853                 msg_Warn( p_demux, "received a SYSTEM packet" );
 854             }
 855             block_Release( p_pkt );
 856             break;
 857
 858         case 0x1ba:
 859         {
 860             int64_t i_scr;
 861             int i_mux_rate;
 862             if( !ps_pkt_parse_pack( p_pkt, &i_scr, &i_mux_rate ) )
 863             {
 864                 es_out_Control( p_demux->out, ES_OUT_SET_PCR, i_scr );
 865             }
 866             block_Release( p_pkt );
 867             break;
 868         }
 869         default:
 870         {
 871             int i_id = ps_pkt_id( p_pkt );
 872             if( i_id >= 0xc0 )
 873             {
 874                 ps_track_t *tk = &p_sys->tk[PS_ID_TO_TK(i_id)];
 875
 876                 if( !tk->b_seen )
 877                 {
 878                     ESNew( p_demux, i_id );
 879                 }
 880                 if( tk->b_seen && tk->es &&
 881                     !ps_pkt_parse_pes( p_pkt, tk->i_skip ) )
 882                 {
 883                     es_out_Send( p_demux->out, tk->es, p_pkt );
 884                 }
 885                 else
 886                 {
 887                     block_Release( p_pkt );
 888                 }
 889             }
 890             else
 891             {
 892                 block_Release( p_pkt );
 893             }
 894             break;
 895         }
 896         }
 897
 898         p += i_size;
 899     }
 900
 901     return VLC_SUCCESS;
 902 }
 903
 904 /*****************************************************************************
 905  * ESNew: register a new elementary stream
 906  *****************************************************************************/
 907 static void ESNew( demux_t *p_demux, int i_id )
 908 {
 909     demux_sys_t *p_sys = p_demux->p_sys;
 910     ps_track_t  *tk = &p_sys->tk[PS_ID_TO_TK(i_id)];
 911     vlc_bool_t  b_select = VLC_FALSE;
 912
 913     if( tk->b_seen )
 914     {
 915         return;
 916     }
 917
 918     if( ps_track_fill( tk, i_id ) )
 919     {
 920         msg_Warn( p_demux, "unknown codec for id=0x%x", i_id );
 921         return;
 922     }
 923
 924     /* Add a new ES */
 925     if( tk->fmt.i_cat == VIDEO_ES )
 926     {
 927         if( p_sys->i_aspect >= 0 )
 928         {
 929             tk->fmt.video.i_aspect = p_sys->i_aspect;
 930         }
 931         b_select = VLC_TRUE;
 932     }
 933     else if( tk->fmt.i_cat == AUDIO_ES )
 934     {
 935         int i_audio = -1;
 936         /* find the audio number PLEASE find another way */
 937         if( (i_id&0xbdf8) == 0xbd88 )       /* dts */
 938         {
 939             i_audio = i_id&0x07;
 940         }
 941         else if( (i_id&0xbdf0) == 0xbd80 )  /* a52 */
 942         {
 943             i_audio = i_id&0xf;
 944         }
 945         else if( (i_id&0xbdf0) == 0xbda0 )  /* lpcm */
 946         {
 947             i_audio = i_id&0x1f;
 948         }
 949         else if( ( i_id&0xe0 ) == 0xc0 )    /* mpga */
 950         {
 951             i_audio = i_id&0x1f;
 952         }
 953         if( i_audio >= 0 )
 954         {
 955             int i_lang = dvdnav_audio_stream_to_lang( p_sys->dvdnav, i_audio );
 956             if( i_lang != 0xffff )
 957             {
 958                 tk->fmt.psz_language = malloc( 3 );
 959                 tk->fmt.psz_language[0] = (i_lang >> 8)&0xff;
 960                 tk->fmt.psz_language[1] = (i_lang     )&0xff;
 961                 tk->fmt.psz_language[2] = 0;
 962             }
 963             if( dvdnav_get_active_audio_stream( p_sys->dvdnav ) == i_audio )
 964             {
 965                 b_select = VLC_TRUE;
 966             }
 967         }
 968     }
 969     else if( tk->fmt.i_cat == SPU_ES )
 970     {
 971         int32_t i_title, i_part;
 972         int i_lang = dvdnav_spu_stream_to_lang( p_sys->dvdnav, i_id&0x1f );
 973         if( i_lang != 0xffff )
 974         {
 975             tk->fmt.psz_language = malloc( 3 );
 976             tk->fmt.psz_language[0] = (i_lang >> 8)&0xff;
 977             tk->fmt.psz_language[1] = (i_lang     )&0xff;
 978             tk->fmt.psz_language[2] = 0;
 979         }
 980
 981         /* Palette */
 982         tk->fmt.subs.spu.palette[0] = 0xBeef;
 983         memcpy( &tk->fmt.subs.spu.palette[1], p_sys->clut,
 984                 16 * sizeof( uint32_t ) );
 985
 986         /* We select only when we are not in the menu */
 987         dvdnav_current_title_info( p_sys->dvdnav, &i_title, &i_part );
 988         if( i_title > 0 &&
 989             dvdnav_get_active_spu_stream( p_sys->dvdnav ) == (i_id&0x1f) )
 990         {
 991             b_select = VLC_TRUE;
 992         }
 993     }
 994
 995     tk->es = es_out_Add( p_demux->out, &tk->fmt );
 996     if( b_select )
 997     {
 998         es_out_Control( p_demux->out, ES_OUT_SET_ES, tk->es );
 999     }
1000     tk->b_seen = VLC_TRUE;
1001 }
1002
1003 /*****************************************************************************
1004  * Event handler code
1005  *****************************************************************************/
1006 static int  EventMouse( vlc_object_t *, char const *,
1007                         vlc_value_t, vlc_value_t, void * );
1008 static int  EventKey  ( vlc_object_t *, char const *,
1009                         vlc_value_t, vlc_value_t, void * );
1010
1011 static int EventThread( vlc_object_t *p_this )
1012 {
1013     event_thread_t *p_ev = (event_thread_t*)p_this;
1014     demux_sys_t    *p_sys = p_ev->p_demux->p_sys;
1015     vlc_object_t   *p_vout = NULL;
1016
1017     vlc_mutex_init( p_ev, &p_ev->lock );
1018     p_ev->b_moved   = VLC_FALSE;
1019     p_ev->b_clicked = VLC_FALSE;
1020     p_ev->b_key     = VLC_FALSE;
1021
1022     p_ev->b_still   = VLC_FALSE;
1023
1024     /* catch all key event */
1025     var_AddCallback( p_ev->p_vlc, "key-pressed", EventKey, p_ev );
1026
1027     /* main loop */
1028     while( !p_ev->b_die )
1029     {
1030         vlc_bool_t b_activated = VLC_FALSE;
1031
1032         /* KEY part */
1033         if( p_ev->b_key )
1034         {
1035             pci_t *pci = dvdnav_get_current_nav_pci( p_sys->dvdnav );
1036
1037             vlc_value_t valk;
1038             struct hotkey *p_hotkeys = p_ev->p_vlc->p_hotkeys;
1039             int i, i_action = -1;
1040
1041             vlc_mutex_lock( &p_ev->lock );
1042             var_Get( p_ev->p_vlc, "key-pressed", &valk );
1043             for( i = 0; p_hotkeys[i].psz_action != NULL; i++ )
1044             {
1045                 if( p_hotkeys[i].i_key == valk.i_int )
1046                 {
1047                     i_action = p_hotkeys[i].i_action;
1048                 }
1049             }
1050
1051             switch( i_action )
1052             {
1053             case ACTIONID_NAV_LEFT:
1054                 dvdnav_left_button_select( p_sys->dvdnav, pci );
1055                 break;
1056             case ACTIONID_NAV_RIGHT:
1057                 dvdnav_right_button_select( p_sys->dvdnav, pci );
1058                 break;
1059             case ACTIONID_NAV_UP:
1060                 dvdnav_upper_button_select( p_sys->dvdnav, pci );
1061                 break;
1062             case ACTIONID_NAV_DOWN:
1063                 dvdnav_lower_button_select( p_sys->dvdnav, pci );
1064                 break;
1065             case ACTIONID_NAV_ACTIVATE:
1066                 b_activated = VLC_TRUE;
1067                 dvdnav_button_activate( p_sys->dvdnav, pci );
1068                 break;
1069             default:
1070                 break;
1071             }
1072             p_ev->b_key = VLC_FALSE;
1073             vlc_mutex_unlock( &p_ev->lock );
1074         }
1075
1076         /* VOUT part */
1077         if( p_vout && ( p_ev->b_moved || p_ev->b_clicked ) )
1078         {
1079             pci_t       *pci = dvdnav_get_current_nav_pci( p_sys->dvdnav );
1080             vlc_value_t valx, valy;
1081
1082             vlc_mutex_lock( &p_ev->lock );
1083             var_Get( p_vout, "mouse-x", &valx );
1084             var_Get( p_vout, "mouse-y", &valy );
1085
1086             if( p_ev->b_moved )
1087             {
1088                 dvdnav_mouse_select( p_sys->dvdnav, pci, valx.i_int,
1089                                      valy.i_int );
1090             }
1091             if( p_ev->b_clicked )
1092             {
1093                 b_activated = VLC_TRUE;
1094                 dvdnav_mouse_activate( p_sys->dvdnav, pci, valx.i_int,
1095                                        valy.i_int );
1096             }
1097
1098             p_ev->b_moved = VLC_FALSE;
1099             p_ev->b_clicked = VLC_FALSE;
1100             vlc_mutex_unlock( &p_ev->lock );
1101         }
1102         if( p_vout && p_vout->b_die )
1103         {
1104             var_DelCallback( p_vout, "mouse-moved", EventMouse, p_ev );
1105             var_DelCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
1106             vlc_object_release( p_vout );
1107             p_vout = NULL;
1108         }
1109         if( p_vout == NULL )
1110         {
1111             p_vout = vlc_object_find( p_sys->p_input, VLC_OBJECT_VOUT,
1112                                       FIND_CHILD );
1113             if( p_vout)
1114             {
1115                 var_AddCallback( p_vout, "mouse-moved", EventMouse, p_ev );
1116                 var_AddCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
1117             }
1118         }
1119
1120         /* Still part */
1121         vlc_mutex_lock( &p_ev->lock );
1122         if( p_ev->b_still )
1123         {
1124             if( /* b_activated || // This breaks menus */
1125                 ( p_ev->i_still_end > 0 && p_ev->i_still_end < mdate() ))
1126             {
1127                 p_ev->b_still = VLC_FALSE;
1128                 dvdnav_still_skip( p_sys->dvdnav );
1129             }
1130         }
1131         vlc_mutex_unlock( &p_ev->lock );
1132
1133         /* Wait a bit */
1134         msleep( 10000 );
1135     }
1136
1137     /* Release callback */
1138     if( p_vout )
1139     {
1140         var_DelCallback( p_vout, "mouse-moved", EventMouse, p_ev );
1141         var_DelCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
1142         vlc_object_release( p_vout );
1143     }
1144     var_DelCallback( p_ev->p_vlc, "key-pressed", EventKey, p_ev );
1145
1146     vlc_mutex_destroy( &p_ev->lock );
1147
1148     return VLC_SUCCESS;
1149 }
1150
1151 static int EventMouse( vlc_object_t *p_this, char const *psz_var,
1152                        vlc_value_t oldval, vlc_value_t newval, void *p_data )
1153 {
1154     event_thread_t *p_ev = p_data;
1155     vlc_mutex_lock( &p_ev->lock );
1156     if( psz_var[6] == 'c' )
1157         p_ev->b_clicked = VLC_TRUE;
1158     else if( psz_var[6] == 'm' )
1159         p_ev->b_moved = VLC_TRUE;
1160     vlc_mutex_unlock( &p_ev->lock );
1161
1162     return VLC_SUCCESS;
1163 }
1164
1165 static int EventKey( vlc_object_t *p_this, char const *psz_var,
1166                      vlc_value_t oldval, vlc_value_t newval, void *p_data )
1167 {
1168     event_thread_t *p_ev = p_data;
1169     vlc_mutex_lock( &p_ev->lock );
1170     p_ev->b_key = VLC_TRUE;
1171     vlc_mutex_unlock( &p_ev->lock );
1172
1173     return VLC_SUCCESS;
1174 }
1175
1176 static int MenusCallback( vlc_object_t *p_this, char const *psz_name,
1177                           vlc_value_t oldval, vlc_value_t newval, void *p_arg )
1178 {
1179     demux_t *p_demux = (demux_t*)p_arg;
1180
1181     /* FIXME, not thread safe */
1182     dvdnav_menu_call( p_demux->p_sys->dvdnav, newval.i_int );
1183
1184     return VLC_SUCCESS;
1185 }