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: dvdnav.c,v 1.8 2004/01/25 20:05:28 hartman Exp $
   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 miliseconds 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     set_callbacks( AccessOpen, AccessClose );
  60
  61     add_submodule();
  62         set_description( _("DVDnav Input (demux)") );
  63         set_capability( "demux2", 1 );
  64         add_shortcut( "dvdnav" );
  65         set_callbacks( DemuxOpen, DemuxClose );
  66 vlc_module_end();
  67
  68 /* TODO
  69  *  - use dvdnav_get_next_cache_block/dvdnav_free_cache_block
  70  *  - all
  71  *  - once done the new input API remove the pseudo access
  72  *  - ...
  73  */
  74
  75 /*****************************************************************************
  76  * Local prototypes
  77  *****************************************************************************/
  78 static ssize_t AccessRead( input_thread_t *, byte_t *, size_t ); /* dummy */
  79 static char *ParseCL( vlc_object_t *, char *, vlc_bool_t, int *, int *, int *);
  80
  81 typedef struct
  82 {
  83     VLC_COMMON_MEMBERS
  84
  85     demux_t        *p_demux;
  86     vlc_mutex_t     lock;
  87
  88     vlc_bool_t      b_moved;
  89     vlc_bool_t      b_clicked;
  90     vlc_bool_t      b_key;
  91
  92     vlc_bool_t      b_still;
  93     int64_t         i_still_end;
  94
  95 } event_thread_t;
  96
  97 static int EventThread( vlc_object_t * );
  98
  99 struct demux_sys_t
 100 {
 101     dvdnav_t    *dvdnav;
 102
 103     /* track */
 104     ps_track_t  tk[PS_TK_COUNT];
 105
 106     /* for spu variables */
 107     input_thread_t *p_input;
 108
 109     /* event */
 110     event_thread_t *p_ev;
 111
 112     /* FIXME */
 113     uint8_t     alpha[4];
 114     uint32_t    clut[16];
 115
 116     /* */
 117     int i_aspect;
 118
 119     /* */
 120     vlc_bool_t  b_es_out_ok;
 121 };
 122
 123 static int DemuxControl( demux_t *, int, va_list );
 124 static int DemuxDemux  ( demux_t * );
 125 static int DemuxBlock  ( demux_t *, uint8_t *pkt, int i_pkt );
 126
 127 enum
 128 {
 129     AR_SQUARE_PICTURE = 1,                          /* square pixels */
 130     AR_3_4_PICTURE    = 2,                       /* 3:4 picture (TV) */
 131     AR_16_9_PICTURE   = 3,             /* 16:9 picture (wide screen) */
 132     AR_221_1_PICTURE  = 4,                 /* 2.21:1 picture (movie) */
 133 };
 134
 135 static int MenusCallback( vlc_object_t *, char const *,
 136                           vlc_value_t, vlc_value_t, void * );
 137
 138 static void ESSubtitleUpdate( demux_t * );
 139 static void ButtonUpdate( demux_t * );
 140
 141 /*****************************************************************************
 142  * Open: see if dvdnav can handle the input and if so force dvdnav demux
 143  *****************************************************************************
 144  * For now it has to be like that (ie open dvdnav twice) but will be fixed
 145  * when a demux can work without an access module.
 146  *****************************************************************************/
 147 static int AccessOpen( vlc_object_t *p_this )
 148 {
 149     input_thread_t *p_input = (input_thread_t *)p_this;
 150     dvdnav_t       *dvdnav;
 151     int            i_title, i_chapter, i_angle;
 152     char           *psz_name;
 153     vlc_value_t    val;
 154     vlc_bool_t     b_force;
 155
 156     /* We try only if we are forced */
 157     if( p_input->psz_demux && *p_input->psz_demux &&
 158         strcmp( p_input->psz_demux, "dvdnav" ) )
 159     {
 160         msg_Warn( p_input, "dvdnav access discarded (demuxer forced)" );
 161         return VLC_EGENERIC;
 162     }
 163
 164     b_force = (p_input->psz_access && !strcmp(p_input->psz_access, "dvdnav")) ?
 165         VLC_TRUE : VLC_FALSE;
 166
 167     psz_name = ParseCL( VLC_OBJECT(p_input), p_input->psz_name, b_force,
 168                         &i_title, &i_chapter, &i_angle );
 169     if( !psz_name )
 170     {
 171         return VLC_EGENERIC;
 172     }
 173
 174     /* Test dvdnav */
 175     if( dvdnav_open( &dvdnav, psz_name ) != DVDNAV_STATUS_OK )
 176     {
 177         msg_Warn( p_input, "cannot open dvdnav" );
 178         return VLC_EGENERIC;
 179     }
 180     dvdnav_close( dvdnav );
 181     free( psz_name );
 182
 183     /* Fill p_input fields */
 184     p_input->pf_read = AccessRead;
 185     p_input->pf_set_program = input_SetProgram;
 186     p_input->pf_set_area = NULL;
 187     p_input->pf_seek = NULL;
 188
 189     vlc_mutex_lock( &p_input->stream.stream_lock );
 190     p_input->stream.b_pace_control = VLC_TRUE;
 191     p_input->stream.b_seekable = VLC_TRUE;
 192     p_input->stream.p_selected_area->i_tell = 0;
 193     p_input->stream.p_selected_area->i_size = 1000;
 194     p_input->stream.i_method = INPUT_METHOD_NETWORK;
 195     vlc_mutex_unlock( &p_input->stream.stream_lock );
 196     p_input->i_mtu = 0;
 197
 198     /* force dvdnav plugin */
 199     p_input->psz_demux = strdup( "dvdnav" );
 200
 201     /* Update default_pts to a suitable value for udp access */
 202     var_Create( p_input, "dvdnav-caching", VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
 203     var_Get( p_input, "dvdnav-caching", &val );
 204     p_input->i_pts_delay = val.i_int * 1000;
 205
 206     return VLC_SUCCESS;
 207 }
 208
 209 /*****************************************************************************
 210  * Close: free unused data structures
 211  *****************************************************************************/
 212 static void AccessClose( vlc_object_t *p_this )
 213 {
 214 }
 215
 216 /*****************************************************************************
 217  * Read: Should not be called (ie not used by the dvdnav demuxer)
 218  *****************************************************************************/
 219 static ssize_t AccessRead( input_thread_t *p_input, byte_t *p_buffer,
 220                            size_t i_len )
 221 {
 222     memset( p_buffer, 0, i_len );
 223     return i_len;
 224 }
 225
 226 /*****************************************************************************
 227  * ParseCL: parse command line
 228  *****************************************************************************/
 229 static char *ParseCL( vlc_object_t *p_this, char *psz_name, vlc_bool_t b_force,
 230                       int *i_title, int *i_chapter, int *i_angle )
 231 {
 232     char *psz_parser, *psz_source, *psz_next;
 233
 234     psz_source = strdup( psz_name );
 235     if( psz_source == NULL ) return NULL;
 236
 237     *i_title = 0;
 238     *i_chapter = 1;
 239     *i_angle = 1;
 240
 241     /* Start with the end, because you could have :
 242      * dvdnav:/Volumes/my@toto/VIDEO_TS@1,1
 243      * (yes, this is kludgy). */
 244     for( psz_parser = psz_source + strlen(psz_source) - 1;
 245          psz_parser >= psz_source && *psz_parser != '@';
 246          psz_parser-- );
 247
 248     if( psz_parser >= psz_source && *psz_parser == '@' )
 249     {
 250         /* Found options */
 251         *psz_parser = '\0';
 252         ++psz_parser;
 253
 254         *i_title = (int)strtol( psz_parser, &psz_next, 10 );
 255         if( *psz_next )
 256         {
 257             psz_parser = psz_next + 1;
 258             *i_chapter = (int)strtol( psz_parser, &psz_next, 10 );
 259             if( *psz_next )
 260             {
 261                 *i_angle = (int)strtol( psz_next + 1, NULL, 10 );
 262             }
 263         }
 264     }
 265
 266     *i_title   = *i_title >= 0 ? *i_title : 0;
 267     *i_chapter = *i_chapter    ? *i_chapter : 1;
 268     *i_angle   = *i_angle      ? *i_angle : 1;
 269
 270     if( !*psz_source )
 271     {
 272         free( psz_source );
 273         if( !b_force )
 274         {
 275             return NULL;
 276         }
 277         psz_source = config_GetPsz( p_this, "dvd" );
 278         if( !psz_source ) return NULL;
 279     }
 280
 281     msg_Dbg( p_this, "dvdroot=%s title=%d chapter=%d angle=%d",
 282              psz_source, *i_title, *i_chapter, *i_angle );
 283
 284     return psz_source;
 285 }
 286
 287 /*****************************************************************************
 288  * DemuxOpen:
 289  *****************************************************************************/
 290 static int DemuxOpen( vlc_object_t *p_this )
 291 {
 292     demux_t     *p_demux = (demux_t*)p_this;
 293     demux_sys_t *p_sys;
 294     vlc_value_t val, text;
 295     int         i_title, i_titles, i_chapter, i_chapters, i_angle, i;
 296     char        *psz_name;
 297
 298     if( strcmp( p_demux->psz_access, "dvdnav" ) ||
 299         strcmp( p_demux->psz_demux,  "dvdnav" ) )
 300     {
 301         msg_Warn( p_demux, "dvdnav module discarded" );
 302         return VLC_EGENERIC;
 303     }
 304
 305     psz_name = ParseCL( VLC_OBJECT(p_demux), p_demux->psz_path, VLC_TRUE,
 306                         &i_title, &i_chapter, &i_angle );
 307     if( !psz_name )
 308     {
 309         return VLC_EGENERIC;
 310     }
 311
 312     /* Init p_sys */
 313     p_demux->p_sys = p_sys = malloc( sizeof( demux_sys_t ) );
 314     memset( p_sys, 0, sizeof( demux_sys_t ) );
 315
 316     ps_track_init( p_sys->tk );
 317
 318     p_sys->i_aspect = -1;
 319
 320     p_sys->b_es_out_ok = VLC_FALSE;
 321
 322     /* Open dvdnav */
 323     if( dvdnav_open( &p_sys->dvdnav, psz_name ) != DVDNAV_STATUS_OK )
 324     {
 325         msg_Warn( p_demux, "cannot open dvdnav" );
 326         return VLC_EGENERIC;
 327     }
 328     free( psz_name );
 329
 330     /* Configure dvdnav */
 331     if( dvdnav_set_readahead_flag( p_sys->dvdnav, 1 ) != DVDNAV_STATUS_OK )
 332     {
 333         msg_Warn( p_demux, "cannot set read-a-head flag" );
 334     }
 335
 336     if( dvdnav_set_PGC_positioning_flag( p_sys->dvdnav, 1 ) !=
 337           DVDNAV_STATUS_OK )
 338     {
 339         msg_Warn( p_demux, "cannot set PGC positioning flag" );
 340     }
 341
 342     if( dvdnav_menu_language_select( p_sys->dvdnav, "en" ) !=
 343           DVDNAV_STATUS_OK ||
 344         dvdnav_audio_language_select( p_sys->dvdnav, "en" ) !=
 345           DVDNAV_STATUS_OK ||
 346         dvdnav_spu_language_select( p_sys->dvdnav, "en" ) !=
 347           DVDNAV_STATUS_OK )
 348     {
 349         msg_Warn( p_demux, "something failed while setting en language (%s)",
 350                   dvdnav_err_to_string( p_sys->dvdnav ) );
 351     }
 352
 353     /* Find out number of titles/chapters */
 354     dvdnav_get_number_of_titles( p_sys->dvdnav, &i_titles );
 355     for( i = 1; i <= i_titles; i++ )
 356     {
 357         i_chapters = 0;
 358         dvdnav_get_number_of_parts( p_sys->dvdnav, i, &i_chapters );
 359     }
 360
 361     if( dvdnav_title_play( p_sys->dvdnav, i_title ) !=
 362           DVDNAV_STATUS_OK )
 363     {
 364         msg_Warn( p_demux, "cannot set title/chapter" );
 365     }
 366
 367     /* Get p_input and create variable */
 368     p_sys->p_input =
 369         vlc_object_find( p_demux, VLC_OBJECT_INPUT, FIND_ANYWHERE );
 370     var_Create( p_sys->p_input, "x-start", VLC_VAR_INTEGER );
 371     var_Create( p_sys->p_input, "y-start", VLC_VAR_INTEGER );
 372     var_Create( p_sys->p_input, "x-end", VLC_VAR_INTEGER );
 373     var_Create( p_sys->p_input, "y-end", VLC_VAR_INTEGER );
 374     var_Create( p_sys->p_input, "color", VLC_VAR_ADDRESS );
 375     var_Create( p_sys->p_input, "contrast", VLC_VAR_ADDRESS );
 376     var_Create( p_sys->p_input, "highlight", VLC_VAR_BOOL );
 377     var_Create( p_sys->p_input, "highlight-mutex", VLC_VAR_MUTEX );
 378
 379     /* Create a few object variables used for navigation in the interfaces */
 380     var_Create( p_sys->p_input, "dvd_menus",
 381                 VLC_VAR_INTEGER | VLC_VAR_HASCHOICE | VLC_VAR_ISCOMMAND );
 382     text.psz_string = _("DVD menus");
 383     var_Change( p_sys->p_input, "dvd_menus", VLC_VAR_SETTEXT, &text, NULL );
 384     var_AddCallback( p_sys->p_input, "dvd_menus", MenusCallback, p_demux );
 385     val.i_int = DVD_MENU_Escape; text.psz_string = _("Resume");
 386     var_Change( p_sys->p_input, "dvd_menus", VLC_VAR_ADDCHOICE, &val, &text );
 387     val.i_int = DVD_MENU_Root; text.psz_string = _("Root");
 388     var_Change( p_sys->p_input, "dvd_menus", VLC_VAR_ADDCHOICE, &val, &text );
 389     val.i_int = DVD_MENU_Title; text.psz_string = _("Title");
 390     var_Change( p_sys->p_input, "dvd_menus", VLC_VAR_ADDCHOICE, &val, &text );
 391     val.i_int = DVD_MENU_Part; text.psz_string = _("Chapter");
 392     var_Change( p_sys->p_input, "dvd_menus", VLC_VAR_ADDCHOICE, &val, &text );
 393     val.i_int = DVD_MENU_Subpicture; text.psz_string = _("Subtitle");
 394     var_Change( p_sys->p_input, "dvd_menus", VLC_VAR_ADDCHOICE, &val, &text );
 395     val.i_int = DVD_MENU_Audio; text.psz_string = _("Audio");
 396     var_Change( p_sys->p_input, "dvd_menus", VLC_VAR_ADDCHOICE, &val, &text );
 397     val.i_int = DVD_MENU_Angle; text.psz_string = _("Angle");
 398     var_Change( p_sys->p_input, "dvd_menus", VLC_VAR_ADDCHOICE, &val, &text );
 399
 400     /* Now create our event thread catcher */
 401     p_sys->p_ev = vlc_object_create( p_demux, sizeof( event_thread_t ) );
 402     p_sys->p_ev->p_demux = p_demux;
 403     vlc_thread_create( p_sys->p_ev, "dvdnav event thread handler", EventThread,
 404                        VLC_THREAD_PRIORITY_LOW, VLC_FALSE );
 405
 406     /* fill p_demux field */
 407     p_demux->pf_control = DemuxControl;
 408     p_demux->pf_demux = DemuxDemux;
 409
 410     return VLC_SUCCESS;
 411 }
 412
 413 /*****************************************************************************
 414  * DemuxClose:
 415  *****************************************************************************/
 416 static void DemuxClose( vlc_object_t *p_this )
 417 {
 418
 419     demux_t     *p_demux = (demux_t*)p_this;
 420     demux_sys_t *p_sys = p_demux->p_sys;
 421
 422     /* stop the event handler */
 423     p_sys->p_ev->b_die = VLC_TRUE;
 424     vlc_thread_join( p_sys->p_ev );
 425
 426     var_Destroy( p_sys->p_input, "highlight-mutex" );
 427     var_Destroy( p_sys->p_input, "highlight" );
 428     var_Destroy( p_sys->p_input, "x-start" );
 429     var_Destroy( p_sys->p_input, "x-end" );
 430     var_Destroy( p_sys->p_input, "y-start" );
 431     var_Destroy( p_sys->p_input, "y-end" );
 432     var_Destroy( p_sys->p_input, "color" );
 433     var_Destroy( p_sys->p_input, "contrast" );
 434
 435     vlc_object_release( p_sys->p_input );
 436
 437     dvdnav_close( p_sys->dvdnav );
 438     free( p_sys );
 439 }
 440
 441 /*****************************************************************************
 442  * DemuxControl:
 443  *****************************************************************************/
 444 static int DemuxControl( demux_t *p_demux, int i_query, va_list args )
 445 {
 446     demux_sys_t *p_sys = p_demux->p_sys;
 447     double f, *pf;
 448
 449     switch( i_query )
 450     {
 451         case DEMUX_GET_POSITION:
 452         {
 453             uint32_t pos, len;
 454             pf = (double*) va_arg( args, double* );
 455             if( dvdnav_get_position( p_sys->dvdnav, &pos, &len ) ==
 456                   DVDNAV_STATUS_OK && len > 0 )
 457             {
 458                 *pf = (double)pos / (double)len;
 459             }
 460             else
 461             {
 462                 *pf = 0.0;
 463             }
 464             return VLC_SUCCESS;
 465         }
 466         case DEMUX_SET_POSITION:
 467         {
 468             uint32_t pos, len;
 469             f = (double) va_arg( args, double );
 470             if( dvdnav_get_position( p_sys->dvdnav, &pos, &len ) ==
 471                   DVDNAV_STATUS_OK && len > 0 )
 472             {
 473                 pos = f * len;
 474                 if( dvdnav_sector_search( p_sys->dvdnav, pos, SEEK_SET ) ==
 475                       DVDNAV_STATUS_OK )
 476                 {
 477                     return VLC_SUCCESS;
 478                 }
 479             }
 480             return VLC_EGENERIC;
 481         }
 482
 483         /* TODO implement others */
 484         default:
 485             return VLC_EGENERIC;
 486     }
 487 }
 488
 489 /*****************************************************************************
 490  * DemuxDemux:
 491  *****************************************************************************/
 492 static int DemuxDemux( demux_t *p_demux )
 493 {
 494     demux_sys_t *p_sys = p_demux->p_sys;
 495
 496     uint8_t packet[DVD_VIDEO_LB_LEN];
 497     int i_event;
 498     int i_len;
 499
 500     if( !p_sys->b_es_out_ok )
 501     {
 502         /* We do ourself the selection/unselection
 503          * Problem: bypass --audio-channel and --spu-channel
 504          * Solution: call ourself dvdnav_??set_channel -> TODO
 505          */
 506         es_out_Control( p_demux->out, ES_OUT_SET_MODE, ES_OUT_MODE_NONE );
 507
 508         p_sys->b_es_out_ok = VLC_TRUE;
 509     }
 510
 511     if( dvdnav_get_next_block( p_sys->dvdnav, packet, &i_event, &i_len ) ==
 512           DVDNAV_STATUS_ERR )
 513     {
 514         msg_Warn( p_demux, "cannot get next block (%s)",
 515                   dvdnav_err_to_string( p_sys->dvdnav ) );
 516         return -1;
 517     }
 518
 519     switch( i_event )
 520     {
 521     case DVDNAV_BLOCK_OK:   /* mpeg block */
 522         DemuxBlock( p_demux, packet, i_len );
 523         break;
 524
 525     case DVDNAV_NOP:    /* Nothing */
 526         msg_Dbg( p_demux, "DVDNAV_NOP" );
 527         break;
 528
 529     case DVDNAV_STILL_FRAME:
 530     {
 531         dvdnav_still_event_t *event = (dvdnav_still_event_t*)packet;
 532         vlc_mutex_lock( &p_sys->p_ev->lock );
 533         if( !p_sys->p_ev->b_still )
 534         {
 535             msg_Dbg( p_demux, "DVDNAV_STILL_FRAME" );
 536             msg_Dbg( p_demux, "     - length=0x%x", event->length );
 537             p_sys->p_ev->b_still = VLC_TRUE;
 538             if( event->length == 0xff )
 539             {
 540                 p_sys->p_ev->i_still_end = 0;
 541             }
 542             else
 543             {
 544                 p_sys->p_ev->i_still_end = (int64_t)event->length *
 545                     1000000 + mdate() + p_sys->p_input->i_pts_delay;
 546             }
 547         }
 548         vlc_mutex_unlock( &p_sys->p_ev->lock );
 549         msleep( 40000 );
 550         break;
 551     }
 552     case DVDNAV_SPU_STREAM_CHANGE:
 553     {
 554         dvdnav_spu_stream_change_event_t *event =
 555             (dvdnav_spu_stream_change_event_t*)packet;
 556         msg_Dbg( p_demux, "DVDNAV_SPU_STREAM_CHANGE" );
 557         msg_Dbg( p_demux, "     - physical_wide=%d",
 558                  event->physical_wide );
 559         msg_Dbg( p_demux, "     - physical_letterbox=%d",
 560                  event->physical_letterbox);
 561         msg_Dbg( p_demux, "     - physical_pan_scan=%d",
 562                  event->physical_pan_scan );
 563
 564         ESSubtitleUpdate( p_demux );
 565         break;
 566     }
 567     case DVDNAV_AUDIO_STREAM_CHANGE:
 568     {
 569         dvdnav_audio_stream_change_event_t *event =
 570             (dvdnav_audio_stream_change_event_t*)packet;
 571         msg_Dbg( p_demux, "DVDNAV_AUDIO_STREAM_CHANGE" );
 572         msg_Dbg( p_demux, "     - physical=%d", event->physical );
 573         /* TODO */
 574         break;
 575     }
 576     case DVDNAV_VTS_CHANGE:
 577     {
 578         int i;
 579         dvdnav_vts_change_event_t *event = (dvdnav_vts_change_event_t*)packet;
 580         msg_Dbg( p_demux, "DVDNAV_VTS_CHANGE" );
 581         msg_Dbg( p_demux, "     - vtsN=%d", event->new_vtsN );
 582         msg_Dbg( p_demux, "     - domain=%d", event->new_domain );
 583
 584         /* dvdnav_get_video_aspect / dvdnav_get_video_scale_permission */
 585         /* TODO check if we alsways have VTS and CELL */
 586         p_sys->i_aspect = dvdnav_get_video_aspect( p_sys->dvdnav );
 587
 588         /* reset PCR */
 589         es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
 590
 591         for( i = 0; i < PS_TK_COUNT; i++ )
 592         {
 593             ps_track_t *tk = &p_sys->tk[i];
 594             if( tk->b_seen && tk->es )
 595             {
 596                 es_out_Del( p_demux->out, tk->es );
 597             }
 598             tk->b_seen = VLC_FALSE;
 599         }
 600         break;
 601     }
 602     case DVDNAV_CELL_CHANGE:
 603     {
 604         dvdnav_cell_change_event_t *event =
 605             (dvdnav_cell_change_event_t*)packet;
 606         msg_Dbg( p_demux, "DVDNAV_CELL_CHANGE" );
 607         msg_Dbg( p_demux, "     - cellN=%d", event->cellN );
 608         msg_Dbg( p_demux, "     - pgN=%d", event->pgN );
 609         msg_Dbg( p_demux, "     - cell_length=%lld", event->cell_length );
 610         msg_Dbg( p_demux, "     - pg_length=%lld", event->pg_length );
 611         msg_Dbg( p_demux, "     - pgc_length=%lld", event->pgc_length );
 612         msg_Dbg( p_demux, "     - cell_start=%lld", event->cell_start );
 613         msg_Dbg( p_demux, "     - pg_start=%lld", event->pg_start );
 614         break;
 615     }
 616     case DVDNAV_NAV_PACKET:
 617     {
 618         msg_Dbg( p_demux, "DVDNAV_NAV_PACKET" );
 619         /* A lot of thing to do here :
 620          *  - handle packet
 621          *  - fetch pts (for time display)
 622          *  - ...
 623          */
 624         DemuxBlock( p_demux, packet, i_len );
 625         break;
 626     }
 627     case DVDNAV_STOP:   /* EOF */
 628         msg_Dbg( p_demux, "DVDNAV_STOP" );
 629         return 0;
 630
 631     case DVDNAV_HIGHLIGHT:
 632     {
 633         dvdnav_highlight_event_t *event = (dvdnav_highlight_event_t*)packet;
 634         msg_Dbg( p_demux, "DVDNAV_HIGHLIGHT" );
 635         msg_Dbg( p_demux, "     - display=%d", event->display );
 636         msg_Dbg( p_demux, "     - buttonN=%d", event->buttonN );
 637
 638         ButtonUpdate( p_demux );
 639         break;
 640     }
 641
 642     case DVDNAV_SPU_CLUT_CHANGE:
 643         msg_Dbg( p_demux, "DVDNAV_SPU_CLUT_CHANGE" );
 644         /* Update color lookup table (16 *uint32_t in packet) */
 645         memcpy( p_sys->clut, packet, 16 * sizeof( uint32_t ) );
 646         break;
 647
 648     case DVDNAV_HOP_CHANNEL:
 649         msg_Dbg( p_demux, "DVDNAV_HOP_CHANNEL" );
 650         /* We should try to flush all our internal buffer */
 651         break;
 652
 653     case DVDNAV_WAIT:
 654         msg_Dbg( p_demux, "DVDNAV_WAIT" );
 655
 656         dvdnav_wait_skip( p_sys->dvdnav );
 657         break;
 658
 659     default:
 660         msg_Warn( p_demux, "Unknown event (0x%x)", i_event );
 661         break;
 662     }
 663
 664     return 1;
 665 }
 666 /*****************************************************************************
 667  * Update functions:
 668  *****************************************************************************/
 669 static void ButtonUpdate( demux_t *p_demux )
 670 {
 671     demux_sys_t *p_sys = p_demux->p_sys;
 672     vlc_value_t val;
 673     int32_t i_title, i_part;
 674
 675     dvdnav_current_title_info( p_sys->dvdnav, &i_title, &i_part );
 676
 677     if( var_Get( p_sys->p_input, "highlight-mutex", &val ) == VLC_SUCCESS )
 678     {
 679         vlc_mutex_t *p_mutex = val.p_address;
 680         dvdnav_highlight_area_t hl;
 681         int32_t i_button;
 682
 683         if( dvdnav_get_current_highlight( p_sys->dvdnav, &i_button ) != DVDNAV_STATUS_OK )
 684         {
 685             msg_Err( p_demux, "dvdnav_get_current_highlight failed" );
 686             return;
 687         }
 688
 689         if( i_button > 0 && i_title ==  0 )
 690         {
 691             pci_t *pci = dvdnav_get_current_nav_pci( p_sys->dvdnav );
 692
 693             dvdnav_get_highlight_area( pci, i_button, 1, &hl );
 694
 695             /* I fear it is plain wrong */
 696             //val.p_address = (void *)&hl.palette;
 697             p_sys->alpha[0] = hl.palette&0x0f;
 698             p_sys->alpha[1] = (hl.palette>>4)&0x0f;
 699             p_sys->alpha[2] = (hl.palette>>8)&0x0f;
 700             p_sys->alpha[3] = (hl.palette>>12)&0x0f;
 701
 702             vlc_mutex_lock( p_mutex );
 703             val.i_int = hl.sx; var_Set( p_sys->p_input, "x-start", val );
 704             val.i_int = hl.ex; var_Set( p_sys->p_input, "x-end", val );
 705             val.i_int = hl.sy; var_Set( p_sys->p_input, "y-start", val );
 706             val.i_int = hl.ey; var_Set( p_sys->p_input, "y-end", val );
 707
 708             val.p_address = (void *)p_sys->alpha;
 709             var_Set( p_sys->p_input, "contrast", val );
 710
 711             val.b_bool = VLC_TRUE; var_Set( p_sys->p_input, "highlight", val );
 712             vlc_mutex_unlock( p_mutex );
 713
 714             msg_Dbg( p_demux, "buttonUpdate %d", i_button );
 715         }
 716         else
 717         {
 718             msg_Dbg( p_demux, "buttonUpdate not done b=%d t=%d", i_button, i_title );
 719
 720             /* Show all */
 721             vlc_mutex_lock( p_mutex );
 722             val.b_bool = VLC_FALSE; var_Set( p_sys->p_input, "highlight", val );
 723             vlc_mutex_unlock( p_mutex );
 724         }
 725     }
 726 }
 727
 728 static void ESNew( demux_t *p_demux, int i_id );
 729
 730 static void ESSubtitleUpdate( demux_t *p_demux )
 731 {
 732     demux_sys_t *p_sys = p_demux->p_sys;
 733     int         i_spu = dvdnav_get_active_spu_stream( p_sys->dvdnav );
 734
 735     ButtonUpdate( p_demux );
 736
 737     if( i_spu >= 0 && i_spu <= 0x1f )
 738     {
 739         ps_track_t *tk = &p_sys->tk[PS_ID_TO_TK(0xbd20 + i_spu)];
 740
 741         if( !tk->b_seen )
 742         {
 743             ESNew( p_demux, 0xbd20 + i_spu);
 744         }
 745         /* be sure to unselect it (reset) */
 746         es_out_Control( p_demux->out, ES_OUT_SET_ES_STATE, tk->es, (vlc_bool_t)VLC_FALSE );
 747
 748         /* now select it */
 749         es_out_Control( p_demux->out, ES_OUT_SET_ES, tk->es );
 750     }
 751     else
 752     {
 753         for( i_spu = 0; i_spu <= 0x1F; i_spu++ )
 754         {
 755             ps_track_t *tk = &p_sys->tk[PS_ID_TO_TK(0xbd20 + i_spu)];
 756             if( tk->b_seen )
 757             {
 758                 es_out_Control( p_demux->out, ES_OUT_SET_ES_STATE, tk->es, (vlc_bool_t)VLC_FALSE );
 759             }
 760         }
 761     }
 762 }
 763
 764
 765 /*****************************************************************************
 766  * DemuxBlock: demux a given block
 767  *****************************************************************************/
 768 static int DemuxBlock( demux_t *p_demux, uint8_t *pkt, int i_pkt )
 769 {
 770     demux_sys_t *p_sys = p_demux->p_sys;
 771     uint8_t     *p = pkt;
 772
 773     while( p < &pkt[i_pkt] )
 774     {
 775         int i_size = ps_pkt_size( p, &pkt[i_pkt] - p );
 776         block_t *p_pkt;
 777         if( i_size <= 0 )
 778         {
 779             break;
 780         }
 781
 782         /* Create a block */
 783         p_pkt = block_New( p_demux, i_size );
 784         memcpy( p_pkt->p_buffer, p, i_size);
 785
 786         /* Parse it and send it */
 787         switch( 0x100 | p[3] )
 788         {
 789         case 0x1b9:
 790         case 0x1bb:
 791         case 0x1bc:
 792             if( p[3] == 0xbc )
 793             {
 794                 msg_Warn( p_demux, "received a PSM packet" );
 795             }
 796             else if( p[3] == 0xbb )
 797             {
 798                 msg_Warn( p_demux, "received a SYSTEM packet" );
 799             }
 800             block_Release( p_pkt );
 801             break;
 802
 803         case 0x1ba:
 804         {
 805             int64_t i_scr;
 806             int i_mux_rate;
 807             if( !ps_pkt_parse_pack( p_pkt, &i_scr, &i_mux_rate ) )
 808             {
 809                 es_out_Control( p_demux->out, ES_OUT_SET_PCR, i_scr );
 810             }
 811             block_Release( p_pkt );
 812             break;
 813         }
 814         default:
 815         {
 816             int i_id = ps_pkt_id( p_pkt );
 817             if( i_id >= 0xc0 )
 818             {
 819                 ps_track_t *tk = &p_sys->tk[PS_ID_TO_TK(i_id)];
 820
 821                 if( !tk->b_seen )
 822                 {
 823                     ESNew( p_demux, i_id );
 824                 }
 825                 if( tk->b_seen && tk->es &&
 826                     !ps_pkt_parse_pes( p_pkt, tk->i_skip ) )
 827                 {
 828                     es_out_Send( p_demux->out, tk->es, p_pkt );
 829                 }
 830                 else
 831                 {
 832                     block_Release( p_pkt );
 833                 }
 834             }
 835             else
 836             {
 837                 block_Release( p_pkt );
 838             }
 839             break;
 840         }
 841         }
 842
 843         p += i_size;
 844     }
 845
 846     return VLC_SUCCESS;
 847 }
 848
 849 static char *LangCode2String( uint16_t i_lang )
 850 {
 851     const iso639_lang_t *pl;
 852     char  lang[3];
 853
 854     if( i_lang == 0xffff )
 855     {
 856         return NULL;
 857     }
 858     lang[0] = (i_lang >> 8)&0xff;
 859     lang[1] = (i_lang     )&0xff;
 860     lang[2] = 0;
 861
 862     pl =  GetLang_1( lang );
 863     if( !strcmp( pl->psz_iso639_1, "??" ) )
 864     {
 865         return strdup( lang );
 866     }
 867     else if( *pl->psz_native_name )
 868     {
 869         return strdup( pl->psz_native_name );
 870     }
 871     return strdup( pl->psz_eng_name );
 872 }
 873
 874 static void ESNew( demux_t *p_demux, int i_id )
 875 {
 876     demux_sys_t *p_sys = p_demux->p_sys;
 877     ps_track_t  *tk = &p_sys->tk[PS_ID_TO_TK(i_id)];
 878     vlc_bool_t  b_select = VLC_FALSE;
 879
 880     if( tk->b_seen )
 881     {
 882         return;
 883     }
 884
 885     if( ps_track_fill( tk, i_id ) )
 886     {
 887         msg_Warn( p_demux, "unknown codec for id=0x%x", i_id );
 888         return;
 889     }
 890
 891     /* Add a new ES */
 892     if( tk->fmt.i_cat == VIDEO_ES )
 893     {
 894         if( p_sys->i_aspect >= 0 )
 895         {
 896             tk->fmt.video.i_aspect = p_sys->i_aspect;
 897         }
 898         b_select = VLC_TRUE;
 899     }
 900     else if( tk->fmt.i_cat == AUDIO_ES )
 901     {
 902         int i_audio = -1;
 903         /* find the audio number PLEASE find another way */
 904         if( (i_id&0xbdf8) == 0xbd88 )       /* dts */
 905         {
 906             i_audio = i_id&0x07;
 907         }
 908         else if( (i_id&0xbdf0) == 0xbd80 )  /* a52 */
 909         {
 910             i_audio = i_id&0xf;
 911         }
 912         else if( (i_id&0xbdf0) == 0xbda0 )  /* lpcm */
 913         {
 914             i_audio = i_id&0x1f;
 915         }
 916         else if( ( i_id&0xe0 ) == 0xc0 )    /* mpga */
 917         {
 918             i_audio = i_id&0x1f;
 919         }
 920         if( i_audio >= 0 )
 921         {
 922             tk->fmt.psz_language =
 923                 LangCode2String( dvdnav_audio_stream_to_lang( p_sys->dvdnav, i_audio ) );
 924             if( dvdnav_get_active_audio_stream( p_sys->dvdnav ) == i_audio )
 925             {
 926                 b_select = VLC_TRUE;
 927             }
 928         }
 929     }
 930     else if( tk->fmt.i_cat == SPU_ES )
 931     {
 932         tk->fmt.psz_language =
 933             LangCode2String( dvdnav_spu_stream_to_lang( p_sys->dvdnav, i_id&0x1f ) );
 934         /* palette */
 935         tk->fmt.subs.spu.palette[0] = 0xBeef;
 936         memcpy( &tk->fmt.subs.spu.palette[1], p_sys->clut, 16 * sizeof( uint32_t ) );
 937     }
 938
 939     tk->es = es_out_Add( p_demux->out, &tk->fmt );
 940     if( b_select )
 941     {
 942         es_out_Control( p_demux->out, ES_OUT_SET_ES, tk->es );
 943     }
 944     tk->b_seen = VLC_TRUE;
 945 }
 946
 947 /*****************************************************************************
 948  * Event handler code
 949  *****************************************************************************/
 950 static int  EventMouse( vlc_object_t *, char const *,
 951                         vlc_value_t, vlc_value_t, void * );
 952 static int  EventKey  ( vlc_object_t *, char const *,
 953                         vlc_value_t, vlc_value_t, void * );
 954
 955 static int EventThread( vlc_object_t *p_this )
 956 {
 957     event_thread_t *p_ev = (event_thread_t*)p_this;
 958     demux_sys_t    *p_sys = p_ev->p_demux->p_sys;
 959     vlc_object_t   *p_vout = NULL;
 960
 961     vlc_mutex_init( p_ev, &p_ev->lock );
 962     p_ev->b_moved   = VLC_FALSE;
 963     p_ev->b_clicked = VLC_FALSE;
 964     p_ev->b_key     = VLC_FALSE;
 965
 966     p_ev->b_still   = VLC_FALSE;
 967
 968     /* catch all key event */
 969     var_AddCallback( p_ev->p_vlc, "key-pressed", EventKey, p_ev );
 970
 971     /* main loop */
 972     while( !p_ev->b_die )
 973     {
 974         vlc_bool_t b_activated = VLC_FALSE;
 975
 976         /* KEY part */
 977         if( p_ev->b_key )
 978         {
 979             pci_t *pci = dvdnav_get_current_nav_pci( p_sys->dvdnav );
 980
 981             vlc_value_t valk;
 982             struct hotkey *p_hotkeys = p_ev->p_vlc->p_hotkeys;
 983             int i, i_action = -1;
 984
 985             vlc_mutex_lock( &p_ev->lock );
 986             var_Get( p_ev->p_vlc, "key-pressed", &valk );
 987             for( i = 0; p_hotkeys[i].psz_action != NULL; i++ )
 988             {
 989                 if( p_hotkeys[i].i_key == valk.i_int )
 990                 {
 991                     i_action = p_hotkeys[i].i_action;
 992                 }
 993             }
 994
 995             switch( i_action )
 996             {
 997             case ACTIONID_NAV_LEFT:
 998                 dvdnav_left_button_select( p_sys->dvdnav, pci );
 999                 break;
1000             case ACTIONID_NAV_RIGHT:
1001                 dvdnav_right_button_select( p_sys->dvdnav, pci );
1002                 break;
1003             case ACTIONID_NAV_UP:
1004                 dvdnav_upper_button_select( p_sys->dvdnav, pci );
1005                 break;
1006             case ACTIONID_NAV_DOWN:
1007                 dvdnav_lower_button_select( p_sys->dvdnav, pci );
1008                 break;
1009             case ACTIONID_NAV_ACTIVATE:
1010                 b_activated = VLC_TRUE;
1011                 dvdnav_button_activate( p_sys->dvdnav, pci );
1012                 break;
1013             default:
1014                 break;
1015             }
1016             p_ev->b_key = VLC_FALSE;
1017             vlc_mutex_unlock( &p_ev->lock );
1018         }
1019
1020         /* VOUT part */
1021         if( p_vout && ( p_ev->b_moved || p_ev->b_clicked ) )
1022         {
1023             pci_t       *pci = dvdnav_get_current_nav_pci( p_sys->dvdnav );
1024             vlc_value_t valx, valy;
1025
1026             vlc_mutex_lock( &p_ev->lock );
1027             var_Get( p_vout, "mouse-x", &valx );
1028             var_Get( p_vout, "mouse-y", &valy );
1029
1030             if( p_ev->b_moved )
1031             {
1032                 dvdnav_mouse_select( p_sys->dvdnav, pci, valx.i_int,
1033                                      valy.i_int );
1034             }
1035             if( p_ev->b_clicked )
1036             {
1037                 b_activated = VLC_TRUE;
1038                 dvdnav_mouse_activate( p_sys->dvdnav, pci, valx.i_int,
1039                                        valy.i_int );
1040             }
1041
1042             p_ev->b_moved = VLC_FALSE;
1043             p_ev->b_clicked = VLC_FALSE;
1044             vlc_mutex_unlock( &p_ev->lock );
1045         }
1046         if( p_vout && p_vout->b_die )
1047         {
1048             var_DelCallback( p_vout, "mouse-moved", EventMouse, p_ev );
1049             var_DelCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
1050             vlc_object_release( p_vout );
1051             p_vout = NULL;
1052         }
1053         if( p_vout == NULL )
1054         {
1055             p_vout = vlc_object_find( p_sys->p_input, VLC_OBJECT_VOUT,
1056                                       FIND_CHILD );
1057             if( p_vout)
1058             {
1059                 var_AddCallback( p_vout, "mouse-moved", EventMouse, p_ev );
1060                 var_AddCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
1061             }
1062         }
1063
1064         /* Still part */
1065         vlc_mutex_lock( &p_ev->lock );
1066         if( p_ev->b_still )
1067         {
1068             if( /* b_activated || // This breaks menus */
1069                 ( p_ev->i_still_end > 0 && p_ev->i_still_end < mdate() ))
1070             {
1071                 p_ev->b_still = VLC_FALSE;
1072                 dvdnav_still_skip( p_sys->dvdnav );
1073             }
1074         }
1075         vlc_mutex_unlock( &p_ev->lock );
1076
1077         /* Wait a bit */
1078         msleep( 10000 );
1079     }
1080
1081     /* Release callback */
1082     if( p_vout )
1083     {
1084         var_DelCallback( p_vout, "mouse-moved", EventMouse, p_ev );
1085         var_DelCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
1086         vlc_object_release( p_vout );
1087     }
1088     var_DelCallback( p_ev->p_vlc, "key-pressed", EventKey, p_ev );
1089
1090     vlc_mutex_destroy( &p_ev->lock );
1091
1092     return VLC_SUCCESS;
1093 }
1094
1095 static int EventMouse( vlc_object_t *p_this, char const *psz_var,
1096                        vlc_value_t oldval, vlc_value_t newval, void *p_data )
1097 {
1098     event_thread_t *p_ev = p_data;
1099     vlc_mutex_lock( &p_ev->lock );
1100     if( psz_var[6] == 'c' )
1101         p_ev->b_clicked = VLC_TRUE;
1102     else if( psz_var[6] == 'm' )
1103         p_ev->b_moved = VLC_TRUE;
1104     vlc_mutex_unlock( &p_ev->lock );
1105
1106     return VLC_SUCCESS;
1107 }
1108
1109 static int EventKey( vlc_object_t *p_this, char const *psz_var,
1110                      vlc_value_t oldval, vlc_value_t newval, void *p_data )
1111 {
1112     event_thread_t *p_ev = p_data;
1113     vlc_mutex_lock( &p_ev->lock );
1114     p_ev->b_key = VLC_TRUE;
1115     vlc_mutex_unlock( &p_ev->lock );
1116
1117     return VLC_SUCCESS;
1118 }
1119
1120 static int MenusCallback( vlc_object_t *p_this, char const *psz_name,
1121                           vlc_value_t oldval, vlc_value_t newval, void *p_arg )
1122 {
1123     demux_t *p_demux = (demux_t*)p_arg;
1124
1125     /* FIXME, not thread safe */
1126     dvdnav_menu_call( p_demux->p_sys->dvdnav, newval.i_int );
1127
1128     return VLC_SUCCESS;
1129 }