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 1.10 2004/01/30 14:27:48 fenrir 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     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 && !strncmp(p_input->psz_access, "dvdnav", 6)) ?
 168         VLC_TRUE : VLC_FALSE;
 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         return VLC_EGENERIC;
 182     }
 183     dvdnav_close( dvdnav );
 184     free( psz_name );
 185
 186     /* Fill p_input fields */
 187     p_input->pf_read = AccessRead;
 188     p_input->pf_set_program = input_SetProgram;
 189     p_input->pf_set_area = NULL;
 190     p_input->pf_seek = NULL;
 191
 192     vlc_mutex_lock( &p_input->stream.stream_lock );
 193     p_input->stream.b_pace_control = VLC_TRUE;
 194     p_input->stream.b_seekable = VLC_TRUE;
 195     p_input->stream.p_selected_area->i_tell = 0;
 196     p_input->stream.p_selected_area->i_size = 1000;
 197     p_input->stream.i_method = INPUT_METHOD_NETWORK;
 198     vlc_mutex_unlock( &p_input->stream.stream_lock );
 199     p_input->i_mtu = 0;
 200
 201     /* force dvdnav plugin */
 202     if( p_input->psz_access && !strncmp(p_input->psz_access, "dvdnav", 6 ) )
 203     {
 204         p_input->psz_demux = strdup( p_input->psz_access );
 205     }
 206     else
 207     {
 208         p_input->psz_demux = strdup( "dvdnav" );
 209     }
 210
 211     /* Update default_pts to a suitable value for udp access */
 212     var_Create( p_input, "dvdnav-caching", VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
 213     var_Get( p_input, "dvdnav-caching", &val );
 214     p_input->i_pts_delay = val.i_int * 1000;
 215
 216     return VLC_SUCCESS;
 217 }
 218
 219 /*****************************************************************************
 220  * Close: free unused data structures
 221  *****************************************************************************/
 222 static void AccessClose( vlc_object_t *p_this )
 223 {
 224 }
 225
 226 /*****************************************************************************
 227  * Read: Should not be called (ie not used by the dvdnav demuxer)
 228  *****************************************************************************/
 229 static ssize_t AccessRead( input_thread_t *p_input, byte_t *p_buffer,
 230                            size_t i_len )
 231 {
 232     memset( p_buffer, 0, i_len );
 233     return i_len;
 234 }
 235
 236 /*****************************************************************************
 237  * ParseCL: parse command line
 238  *****************************************************************************/
 239 static char *ParseCL( vlc_object_t *p_this, char *psz_name, vlc_bool_t b_force,
 240                       int *i_title, int *i_chapter, int *i_angle )
 241 {
 242     char *psz_parser, *psz_source, *psz_next;
 243
 244     psz_source = strdup( psz_name );
 245     if( psz_source == NULL ) return NULL;
 246
 247     *i_title = 0;
 248     *i_chapter = 1;
 249     *i_angle = 1;
 250
 251     /* Start with the end, because you could have :
 252      * dvdnav:/Volumes/my@toto/VIDEO_TS@1,1
 253      * (yes, this is kludgy). */
 254     for( psz_parser = psz_source + strlen(psz_source) - 1;
 255          psz_parser >= psz_source && *psz_parser != '@';
 256          psz_parser-- );
 257
 258     if( psz_parser >= psz_source && *psz_parser == '@' )
 259     {
 260         /* Found options */
 261         *psz_parser = '\0';
 262         ++psz_parser;
 263
 264         *i_title = (int)strtol( psz_parser, &psz_next, 10 );
 265         if( *psz_next )
 266         {
 267             psz_parser = psz_next + 1;
 268             *i_chapter = (int)strtol( psz_parser, &psz_next, 10 );
 269             if( *psz_next )
 270             {
 271                 *i_angle = (int)strtol( psz_next + 1, NULL, 10 );
 272             }
 273         }
 274     }
 275
 276     *i_title   = *i_title >= 0 ? *i_title : 0;
 277     *i_chapter = *i_chapter    ? *i_chapter : 1;
 278     *i_angle   = *i_angle      ? *i_angle : 1;
 279
 280     if( !*psz_source )
 281     {
 282         free( psz_source );
 283         if( !b_force )
 284         {
 285             return NULL;
 286         }
 287         psz_source = config_GetPsz( p_this, "dvd" );
 288         if( !psz_source ) return NULL;
 289     }
 290
 291     msg_Dbg( p_this, "dvdroot=%s title=%d chapter=%d angle=%d",
 292              psz_source, *i_title, *i_chapter, *i_angle );
 293
 294     return psz_source;
 295 }
 296
 297 /*****************************************************************************
 298  * DemuxOpen:
 299  *****************************************************************************/
 300 static int DemuxOpen( vlc_object_t *p_this )
 301 {
 302     demux_t     *p_demux = (demux_t*)p_this;
 303     demux_sys_t *p_sys;
 304     vlc_value_t val, text;
 305     int         i_title, i_titles, i_chapter, i_chapters, i_angle, i;
 306     char        *psz_name;
 307
 308     if( strncmp( p_demux->psz_access, "dvdnav", 6 ) ||
 309         strncmp( p_demux->psz_demux,  "dvdnav", 6 ) )
 310     {
 311         msg_Warn( p_demux, "dvdnav module discarded" );
 312         return VLC_EGENERIC;
 313     }
 314
 315     psz_name = ParseCL( VLC_OBJECT(p_demux), p_demux->psz_path, VLC_TRUE,
 316                         &i_title, &i_chapter, &i_angle );
 317     if( !psz_name )
 318     {
 319         return VLC_EGENERIC;
 320     }
 321
 322     /* Init p_sys */
 323     p_demux->p_sys = p_sys = malloc( sizeof( demux_sys_t ) );
 324     memset( p_sys, 0, sizeof( demux_sys_t ) );
 325
 326     p_sys->b_simple = strcmp( p_demux->psz_access, "dvdnavsimple" ) ? VLC_FALSE : VLC_TRUE;
 327     if( p_sys->b_simple && i_title < 1 )
 328     {
 329         /* skip menu part */
 330         i_title = 1;
 331     }
 332
 333     ps_track_init( p_sys->tk );
 334
 335     p_sys->i_aspect = -1;
 336
 337     p_sys->b_es_out_ok = VLC_FALSE;
 338
 339     /* Open dvdnav */
 340     if( dvdnav_open( &p_sys->dvdnav, psz_name ) != DVDNAV_STATUS_OK )
 341     {
 342         msg_Warn( p_demux, "cannot open dvdnav" );
 343         return VLC_EGENERIC;
 344     }
 345     free( psz_name );
 346
 347     /* Configure dvdnav */
 348     if( dvdnav_set_readahead_flag( p_sys->dvdnav, 1 ) != DVDNAV_STATUS_OK )
 349     {
 350         msg_Warn( p_demux, "cannot set read-a-head flag" );
 351     }
 352
 353     if( dvdnav_set_PGC_positioning_flag( p_sys->dvdnav, 1 ) !=
 354           DVDNAV_STATUS_OK )
 355     {
 356         msg_Warn( p_demux, "cannot set PGC positioning flag" );
 357     }
 358
 359     if( dvdnav_menu_language_select ( p_sys->dvdnav,"en") != DVDNAV_STATUS_OK||
 360         dvdnav_audio_language_select( p_sys->dvdnav,"en") != DVDNAV_STATUS_OK||
 361         dvdnav_spu_language_select  ( p_sys->dvdnav,"en") != DVDNAV_STATUS_OK )
 362     {
 363         msg_Warn( p_demux, "something failed while setting en language (%s)",
 364                   dvdnav_err_to_string( p_sys->dvdnav ) );
 365     }
 366
 367     /* Find out number of titles/chapters */
 368     dvdnav_get_number_of_titles( p_sys->dvdnav, &i_titles );
 369     for( i = 1; i <= i_titles; i++ )
 370     {
 371         i_chapters = 0;
 372         dvdnav_get_number_of_parts( p_sys->dvdnav, i, &i_chapters );
 373     }
 374
 375     if( dvdnav_title_play( p_sys->dvdnav, i_title ) !=
 376           DVDNAV_STATUS_OK )
 377     {
 378         msg_Warn( p_demux, "cannot set title/chapter" );
 379     }
 380     if( !p_sys->b_simple )
 381     {
 382         /* Get p_input and create variable */
 383         p_sys->p_input =
 384             vlc_object_find( p_demux, VLC_OBJECT_INPUT, FIND_ANYWHERE );
 385         var_Create( p_sys->p_input, "x-start", VLC_VAR_INTEGER );
 386         var_Create( p_sys->p_input, "y-start", VLC_VAR_INTEGER );
 387         var_Create( p_sys->p_input, "x-end", VLC_VAR_INTEGER );
 388         var_Create( p_sys->p_input, "y-end", VLC_VAR_INTEGER );
 389         var_Create( p_sys->p_input, "color", VLC_VAR_ADDRESS );
 390         var_Create( p_sys->p_input, "contrast", VLC_VAR_ADDRESS );
 391         var_Create( p_sys->p_input, "highlight", VLC_VAR_BOOL );
 392         var_Create( p_sys->p_input, "highlight-mutex", VLC_VAR_MUTEX );
 393
 394         /* Create a few object variables used for navigation in the interfaces */
 395         var_Create( p_sys->p_input, "dvd_menus",
 396                     VLC_VAR_INTEGER | VLC_VAR_HASCHOICE | VLC_VAR_ISCOMMAND );
 397         text.psz_string = _("DVD menus");
 398         var_Change( p_sys->p_input, "dvd_menus", VLC_VAR_SETTEXT, &text, NULL );
 399         var_AddCallback( p_sys->p_input, "dvd_menus", MenusCallback, p_demux );
 400         val.i_int = DVD_MENU_Escape; text.psz_string = _("Resume");
 401         var_Change( p_sys->p_input, "dvd_menus", VLC_VAR_ADDCHOICE, &val, &text );
 402         val.i_int = DVD_MENU_Root; text.psz_string = _("Root");
 403         var_Change( p_sys->p_input, "dvd_menus", VLC_VAR_ADDCHOICE, &val, &text );
 404         val.i_int = DVD_MENU_Title; text.psz_string = _("Title");
 405         var_Change( p_sys->p_input, "dvd_menus", VLC_VAR_ADDCHOICE, &val, &text );
 406         val.i_int = DVD_MENU_Part; text.psz_string = _("Chapter");
 407         var_Change( p_sys->p_input, "dvd_menus", VLC_VAR_ADDCHOICE, &val, &text );
 408         val.i_int = DVD_MENU_Subpicture; text.psz_string = _("Subtitle");
 409         var_Change( p_sys->p_input, "dvd_menus", VLC_VAR_ADDCHOICE, &val, &text );
 410         val.i_int = DVD_MENU_Audio; text.psz_string = _("Audio");
 411         var_Change( p_sys->p_input, "dvd_menus", VLC_VAR_ADDCHOICE, &val, &text );
 412         val.i_int = DVD_MENU_Angle; text.psz_string = _("Angle");
 413         var_Change( p_sys->p_input, "dvd_menus", VLC_VAR_ADDCHOICE, &val, &text );
 414
 415     /* Now create our event thread catcher */
 416         p_sys->p_ev = vlc_object_create( p_demux, sizeof( event_thread_t ) );
 417         p_sys->p_ev->p_demux = p_demux;
 418         vlc_thread_create( p_sys->p_ev, "dvdnav event thread handler", EventThread,
 419                            VLC_THREAD_PRIORITY_LOW, VLC_FALSE );
 420     }
 421
 422     /* fill p_demux field */
 423     p_demux->pf_control = DemuxControl;
 424     p_demux->pf_demux = DemuxDemux;
 425
 426     return VLC_SUCCESS;
 427 }
 428
 429 /*****************************************************************************
 430  * DemuxClose:
 431  *****************************************************************************/
 432 static void DemuxClose( vlc_object_t *p_this )
 433 {
 434
 435     demux_t     *p_demux = (demux_t*)p_this;
 436     demux_sys_t *p_sys = p_demux->p_sys;
 437
 438     if( !p_sys->b_simple )
 439     {
 440         /* stop the event handler */
 441         p_sys->p_ev->b_die = VLC_TRUE;
 442         vlc_thread_join( p_sys->p_ev );
 443         vlc_object_destroy( p_sys->p_ev );
 444
 445         var_Destroy( p_sys->p_input, "highlight-mutex" );
 446         var_Destroy( p_sys->p_input, "highlight" );
 447         var_Destroy( p_sys->p_input, "x-start" );
 448         var_Destroy( p_sys->p_input, "x-end" );
 449         var_Destroy( p_sys->p_input, "y-start" );
 450         var_Destroy( p_sys->p_input, "y-end" );
 451         var_Destroy( p_sys->p_input, "color" );
 452         var_Destroy( p_sys->p_input, "contrast" );
 453
 454         vlc_object_release( p_sys->p_input );
 455     }
 456
 457     dvdnav_close( p_sys->dvdnav );
 458     free( p_sys );
 459 }
 460
 461 /*****************************************************************************
 462  * DemuxControl:
 463  *****************************************************************************/
 464 static int DemuxControl( demux_t *p_demux, int i_query, va_list args )
 465 {
 466     demux_sys_t *p_sys = p_demux->p_sys;
 467     double f, *pf;
 468
 469     switch( i_query )
 470     {
 471         case DEMUX_GET_POSITION:
 472         {
 473             uint32_t pos, len;
 474             pf = (double*) va_arg( args, double* );
 475             if( dvdnav_get_position( p_sys->dvdnav, &pos, &len ) ==
 476                   DVDNAV_STATUS_OK && len > 0 )
 477             {
 478                 *pf = (double)pos / (double)len;
 479             }
 480             else
 481             {
 482                 *pf = 0.0;
 483             }
 484             return VLC_SUCCESS;
 485         }
 486         case DEMUX_SET_POSITION:
 487         {
 488             uint32_t pos, len;
 489             f = (double) va_arg( args, double );
 490             if( dvdnav_get_position( p_sys->dvdnav, &pos, &len ) ==
 491                   DVDNAV_STATUS_OK && len > 0 )
 492             {
 493                 pos = f * len;
 494                 if( dvdnav_sector_search( p_sys->dvdnav, pos, SEEK_SET ) ==
 495                       DVDNAV_STATUS_OK )
 496                 {
 497                     return VLC_SUCCESS;
 498                 }
 499             }
 500             return VLC_EGENERIC;
 501         }
 502
 503         /* TODO implement others */
 504         default:
 505             return VLC_EGENERIC;
 506     }
 507 }
 508
 509 /*****************************************************************************
 510  * DemuxDemux:
 511  *****************************************************************************/
 512 static int DemuxDemux( demux_t *p_demux )
 513 {
 514     demux_sys_t *p_sys = p_demux->p_sys;
 515
 516     uint8_t packet[DVD_VIDEO_LB_LEN];
 517     int i_event;
 518     int i_len;
 519
 520     if( !p_sys->b_es_out_ok )
 521     {
 522         if( !p_sys->b_simple )
 523         {
 524             /* We do ourself the selection/unselection
 525              * Problem: bypass --audio-channel and --spu-channel
 526              * Solution: call ourself dvdnav_??set_channel -> TODO
 527              */
 528             es_out_Control( p_demux->out, ES_OUT_SET_MODE, ES_OUT_MODE_NONE );
 529         }
 530
 531         p_sys->b_es_out_ok = VLC_TRUE;
 532     }
 533
 534     if( dvdnav_get_next_block( p_sys->dvdnav, packet, &i_event, &i_len ) ==
 535           DVDNAV_STATUS_ERR )
 536     {
 537         msg_Warn( p_demux, "cannot get next block (%s)",
 538                   dvdnav_err_to_string( p_sys->dvdnav ) );
 539         return -1;
 540     }
 541
 542     switch( i_event )
 543     {
 544     case DVDNAV_BLOCK_OK:   /* mpeg block */
 545         DemuxBlock( p_demux, packet, i_len );
 546         break;
 547
 548     case DVDNAV_NOP:    /* Nothing */
 549         msg_Dbg( p_demux, "DVDNAV_NOP" );
 550         break;
 551
 552     case DVDNAV_STILL_FRAME:
 553     {
 554         dvdnav_still_event_t *event = (dvdnav_still_event_t*)packet;
 555         if( !p_sys->b_simple )
 556         {
 557             vlc_mutex_lock( &p_sys->p_ev->lock );
 558             if( !p_sys->p_ev->b_still )
 559             {
 560                 msg_Dbg( p_demux, "DVDNAV_STILL_FRAME" );
 561                 msg_Dbg( p_demux, "     - length=0x%x", event->length );
 562                 p_sys->p_ev->b_still = VLC_TRUE;
 563                 if( event->length == 0xff )
 564                 {
 565                     p_sys->p_ev->i_still_end = 0;
 566                 }
 567                 else
 568                 {
 569                     p_sys->p_ev->i_still_end = (int64_t)event->length *
 570                         1000000 + mdate() + p_sys->p_input->i_pts_delay;
 571                 }
 572             }
 573             vlc_mutex_unlock( &p_sys->p_ev->lock );
 574             msleep( 40000 );
 575         }
 576         else
 577         {
 578             dvdnav_still_skip( p_sys->dvdnav );
 579         }
 580         break;
 581     }
 582     case DVDNAV_SPU_STREAM_CHANGE:
 583     {
 584         dvdnav_spu_stream_change_event_t *event =
 585             (dvdnav_spu_stream_change_event_t*)packet;
 586         msg_Dbg( p_demux, "DVDNAV_SPU_STREAM_CHANGE" );
 587         msg_Dbg( p_demux, "     - physical_wide=%d",
 588                  event->physical_wide );
 589         msg_Dbg( p_demux, "     - physical_letterbox=%d",
 590                  event->physical_letterbox);
 591         msg_Dbg( p_demux, "     - physical_pan_scan=%d",
 592                  event->physical_pan_scan );
 593
 594         if( !p_sys->b_simple )
 595         {
 596             ESSubtitleUpdate( p_demux );
 597         }
 598         break;
 599     }
 600     case DVDNAV_AUDIO_STREAM_CHANGE:
 601     {
 602         dvdnav_audio_stream_change_event_t *event =
 603             (dvdnav_audio_stream_change_event_t*)packet;
 604         msg_Dbg( p_demux, "DVDNAV_AUDIO_STREAM_CHANGE" );
 605         msg_Dbg( p_demux, "     - physical=%d", event->physical );
 606         /* TODO */
 607         break;
 608     }
 609     case DVDNAV_VTS_CHANGE:
 610     {
 611         int i;
 612         dvdnav_vts_change_event_t *event = (dvdnav_vts_change_event_t*)packet;
 613         msg_Dbg( p_demux, "DVDNAV_VTS_CHANGE" );
 614         msg_Dbg( p_demux, "     - vtsN=%d", event->new_vtsN );
 615         msg_Dbg( p_demux, "     - domain=%d", event->new_domain );
 616
 617         /* dvdnav_get_video_aspect / dvdnav_get_video_scale_permission */
 618         /* TODO check if we alsways have VTS and CELL */
 619         p_sys->i_aspect = dvdnav_get_video_aspect( p_sys->dvdnav );
 620
 621         /* reset PCR */
 622         es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
 623
 624         for( i = 0; i < PS_TK_COUNT; i++ )
 625         {
 626             ps_track_t *tk = &p_sys->tk[i];
 627             if( tk->b_seen && tk->es )
 628             {
 629                 es_out_Del( p_demux->out, tk->es );
 630             }
 631             tk->b_seen = VLC_FALSE;
 632         }
 633
 634         if( p_sys->b_simple )
 635         {
 636             int32_t i_title = 0;
 637             int32_t i_part  = 0;
 638             if( dvdnav_current_title_info( p_sys->dvdnav, &i_title, &i_part ) == DVDNAV_STATUS_OK )
 639             {
 640                 if( i_title == 0 )
 641                 {
 642                     /* we have returned in menu, stop dvd */
 643                     /* FIXME is it the right way ? */
 644                     return 0;
 645                 }
 646             }
 647         }
 648         break;
 649     }
 650     case DVDNAV_CELL_CHANGE:
 651     {
 652         dvdnav_cell_change_event_t *event =
 653             (dvdnav_cell_change_event_t*)packet;
 654         msg_Dbg( p_demux, "DVDNAV_CELL_CHANGE" );
 655         msg_Dbg( p_demux, "     - cellN=%d", event->cellN );
 656         msg_Dbg( p_demux, "     - pgN=%d", event->pgN );
 657         msg_Dbg( p_demux, "     - cell_length=%lld", event->cell_length );
 658         msg_Dbg( p_demux, "     - pg_length=%lld", event->pg_length );
 659         msg_Dbg( p_demux, "     - pgc_length=%lld", event->pgc_length );
 660         msg_Dbg( p_demux, "     - cell_start=%lld", event->cell_start );
 661         msg_Dbg( p_demux, "     - pg_start=%lld", event->pg_start );
 662         break;
 663     }
 664     case DVDNAV_NAV_PACKET:
 665     {
 666         msg_Dbg( p_demux, "DVDNAV_NAV_PACKET" );
 667         /* A lot of thing to do here :
 668          *  - handle packet
 669          *  - fetch pts (for time display)
 670          *  - ...
 671          */
 672         DemuxBlock( p_demux, packet, i_len );
 673         break;
 674     }
 675     case DVDNAV_STOP:   /* EOF */
 676         msg_Dbg( p_demux, "DVDNAV_STOP" );
 677         return 0;
 678
 679     case DVDNAV_HIGHLIGHT:
 680     {
 681         dvdnav_highlight_event_t *event = (dvdnav_highlight_event_t*)packet;
 682         msg_Dbg( p_demux, "DVDNAV_HIGHLIGHT" );
 683         msg_Dbg( p_demux, "     - display=%d", event->display );
 684         msg_Dbg( p_demux, "     - buttonN=%d", event->buttonN );
 685         if( !p_sys->b_simple )
 686         {
 687             ButtonUpdate( p_demux );
 688         }
 689         break;
 690     }
 691
 692     case DVDNAV_SPU_CLUT_CHANGE:
 693         msg_Dbg( p_demux, "DVDNAV_SPU_CLUT_CHANGE" );
 694         /* Update color lookup table (16 *uint32_t in packet) */
 695         memcpy( p_sys->clut, packet, 16 * sizeof( uint32_t ) );
 696         break;
 697
 698     case DVDNAV_HOP_CHANNEL:
 699         msg_Dbg( p_demux, "DVDNAV_HOP_CHANNEL" );
 700         /* We should try to flush all our internal buffer */
 701         break;
 702
 703     case DVDNAV_WAIT:
 704         msg_Dbg( p_demux, "DVDNAV_WAIT" );
 705
 706         dvdnav_wait_skip( p_sys->dvdnav );
 707         break;
 708
 709     default:
 710         msg_Warn( p_demux, "Unknown event (0x%x)", i_event );
 711         break;
 712     }
 713
 714     return 1;
 715 }
 716 /*****************************************************************************
 717  * Update functions:
 718  *****************************************************************************/
 719 static void ButtonUpdate( demux_t *p_demux )
 720 {
 721     demux_sys_t *p_sys = p_demux->p_sys;
 722     vlc_value_t val;
 723     int32_t i_title, i_part;
 724
 725     dvdnav_current_title_info( p_sys->dvdnav, &i_title, &i_part );
 726
 727     if( var_Get( p_sys->p_input, "highlight-mutex", &val ) == VLC_SUCCESS )
 728     {
 729         vlc_mutex_t *p_mutex = val.p_address;
 730         dvdnav_highlight_area_t hl;
 731         int32_t i_button;
 732
 733         if( dvdnav_get_current_highlight( p_sys->dvdnav, &i_button ) != DVDNAV_STATUS_OK )
 734         {
 735             msg_Err( p_demux, "dvdnav_get_current_highlight failed" );
 736             return;
 737         }
 738
 739         if( i_button > 0 && i_title ==  0 )
 740         {
 741             pci_t *pci = dvdnav_get_current_nav_pci( p_sys->dvdnav );
 742
 743             dvdnav_get_highlight_area( pci, i_button, 1, &hl );
 744
 745             /* I fear it is plain wrong */
 746             //val.p_address = (void *)&hl.palette;
 747             p_sys->alpha[0] = hl.palette&0x0f;
 748             p_sys->alpha[1] = (hl.palette>>4)&0x0f;
 749             p_sys->alpha[2] = (hl.palette>>8)&0x0f;
 750             p_sys->alpha[3] = (hl.palette>>12)&0x0f;
 751
 752             vlc_mutex_lock( p_mutex );
 753             val.i_int = hl.sx; var_Set( p_sys->p_input, "x-start", val );
 754             val.i_int = hl.ex; var_Set( p_sys->p_input, "x-end", val );
 755             val.i_int = hl.sy; var_Set( p_sys->p_input, "y-start", val );
 756             val.i_int = hl.ey; var_Set( p_sys->p_input, "y-end", val );
 757
 758             val.p_address = (void *)p_sys->alpha;
 759             var_Set( p_sys->p_input, "contrast", val );
 760
 761             val.b_bool = VLC_TRUE; var_Set( p_sys->p_input, "highlight", val );
 762             vlc_mutex_unlock( p_mutex );
 763
 764             msg_Dbg( p_demux, "buttonUpdate %d", i_button );
 765         }
 766         else
 767         {
 768             msg_Dbg( p_demux, "buttonUpdate not done b=%d t=%d", i_button, i_title );
 769
 770             /* Show all */
 771             vlc_mutex_lock( p_mutex );
 772             val.b_bool = VLC_FALSE; var_Set( p_sys->p_input, "highlight", val );
 773             vlc_mutex_unlock( p_mutex );
 774         }
 775     }
 776 }
 777
 778 static void ESNew( demux_t *p_demux, int i_id );
 779
 780 static void ESSubtitleUpdate( demux_t *p_demux )
 781 {
 782     demux_sys_t *p_sys = p_demux->p_sys;
 783     int         i_spu = dvdnav_get_active_spu_stream( p_sys->dvdnav );
 784     int32_t i_title, i_part;
 785
 786     ButtonUpdate( p_demux );
 787
 788     dvdnav_current_title_info( p_sys->dvdnav, &i_title, &i_part );
 789     msg_Err( p_demux, "title=%d part=%d", i_title, i_part );
 790     if( i_title > 0 )
 791     {
 792         return;
 793     }
 794
 795     if( i_spu >= 0 && i_spu <= 0x1f )
 796     {
 797         ps_track_t *tk = &p_sys->tk[PS_ID_TO_TK(0xbd20 + i_spu)];
 798
 799         if( !tk->b_seen )
 800         {
 801             ESNew( p_demux, 0xbd20 + i_spu);
 802         }
 803         /* be sure to unselect it (reset) */
 804         es_out_Control( p_demux->out, ES_OUT_SET_ES_STATE, tk->es, (vlc_bool_t)VLC_FALSE );
 805
 806         /* now select it */
 807         es_out_Control( p_demux->out, ES_OUT_SET_ES, tk->es );
 808     }
 809     else
 810     {
 811         for( i_spu = 0; i_spu <= 0x1F; i_spu++ )
 812         {
 813             ps_track_t *tk = &p_sys->tk[PS_ID_TO_TK(0xbd20 + i_spu)];
 814             if( tk->b_seen )
 815             {
 816                 es_out_Control( p_demux->out, ES_OUT_SET_ES_STATE, tk->es, (vlc_bool_t)VLC_FALSE );
 817             }
 818         }
 819     }
 820 }
 821
 822
 823 /*****************************************************************************
 824  * DemuxBlock: demux a given block
 825  *****************************************************************************/
 826 static int DemuxBlock( demux_t *p_demux, uint8_t *pkt, int i_pkt )
 827 {
 828     demux_sys_t *p_sys = p_demux->p_sys;
 829     uint8_t     *p = pkt;
 830
 831     while( p < &pkt[i_pkt] )
 832     {
 833         int i_size = ps_pkt_size( p, &pkt[i_pkt] - p );
 834         block_t *p_pkt;
 835         if( i_size <= 0 )
 836         {
 837             break;
 838         }
 839
 840         /* Create a block */
 841         p_pkt = block_New( p_demux, i_size );
 842         memcpy( p_pkt->p_buffer, p, i_size);
 843
 844         /* Parse it and send it */
 845         switch( 0x100 | p[3] )
 846         {
 847         case 0x1b9:
 848         case 0x1bb:
 849         case 0x1bc:
 850             if( p[3] == 0xbc )
 851             {
 852                 msg_Warn( p_demux, "received a PSM packet" );
 853             }
 854             else if( p[3] == 0xbb )
 855             {
 856                 msg_Warn( p_demux, "received a SYSTEM packet" );
 857             }
 858             block_Release( p_pkt );
 859             break;
 860
 861         case 0x1ba:
 862         {
 863             int64_t i_scr;
 864             int i_mux_rate;
 865             if( !ps_pkt_parse_pack( p_pkt, &i_scr, &i_mux_rate ) )
 866             {
 867                 es_out_Control( p_demux->out, ES_OUT_SET_PCR, i_scr );
 868             }
 869             block_Release( p_pkt );
 870             break;
 871         }
 872         default:
 873         {
 874             int i_id = ps_pkt_id( p_pkt );
 875             if( i_id >= 0xc0 )
 876             {
 877                 ps_track_t *tk = &p_sys->tk[PS_ID_TO_TK(i_id)];
 878
 879                 if( !tk->b_seen )
 880                 {
 881                     ESNew( p_demux, i_id );
 882                 }
 883                 if( tk->b_seen && tk->es &&
 884                     !ps_pkt_parse_pes( p_pkt, tk->i_skip ) )
 885                 {
 886                     es_out_Send( p_demux->out, tk->es, p_pkt );
 887                 }
 888                 else
 889                 {
 890                     block_Release( p_pkt );
 891                 }
 892             }
 893             else
 894             {
 895                 block_Release( p_pkt );
 896             }
 897             break;
 898         }
 899         }
 900
 901         p += i_size;
 902     }
 903
 904     return VLC_SUCCESS;
 905 }
 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         /* palette */
 981         tk->fmt.subs.spu.palette[0] = 0xBeef;
 982         memcpy( &tk->fmt.subs.spu.palette[1], p_sys->clut, 16 * sizeof( uint32_t ) );
 983
 984         /* We select only when we are not in the menu */
 985         dvdnav_current_title_info( p_sys->dvdnav, &i_title, &i_part );
 986         if( i_title > 0 &&
 987             dvdnav_get_active_spu_stream( p_sys->dvdnav ) == (i_id&0x1f) )
 988         {
 989             b_select = VLC_TRUE;
 990         }
 991     }
 992
 993     tk->es = es_out_Add( p_demux->out, &tk->fmt );
 994     if( b_select )
 995     {
 996         es_out_Control( p_demux->out, ES_OUT_SET_ES, tk->es );
 997     }
 998     tk->b_seen = VLC_TRUE;
 999 }
1000
1001 /*****************************************************************************
1002  * Event handler code
1003  *****************************************************************************/
1004 static int  EventMouse( vlc_object_t *, char const *,
1005                         vlc_value_t, vlc_value_t, void * );
1006 static int  EventKey  ( vlc_object_t *, char const *,
1007                         vlc_value_t, vlc_value_t, void * );
1008
1009 static int EventThread( vlc_object_t *p_this )
1010 {
1011     event_thread_t *p_ev = (event_thread_t*)p_this;
1012     demux_sys_t    *p_sys = p_ev->p_demux->p_sys;
1013     vlc_object_t   *p_vout = NULL;
1014
1015     vlc_mutex_init( p_ev, &p_ev->lock );
1016     p_ev->b_moved   = VLC_FALSE;
1017     p_ev->b_clicked = VLC_FALSE;
1018     p_ev->b_key     = VLC_FALSE;
1019
1020     p_ev->b_still   = VLC_FALSE;
1021
1022     /* catch all key event */
1023     var_AddCallback( p_ev->p_vlc, "key-pressed", EventKey, p_ev );
1024
1025     /* main loop */
1026     while( !p_ev->b_die )
1027     {
1028         vlc_bool_t b_activated = VLC_FALSE;
1029
1030         /* KEY part */
1031         if( p_ev->b_key )
1032         {
1033             pci_t *pci = dvdnav_get_current_nav_pci( p_sys->dvdnav );
1034
1035             vlc_value_t valk;
1036             struct hotkey *p_hotkeys = p_ev->p_vlc->p_hotkeys;
1037             int i, i_action = -1;
1038
1039             vlc_mutex_lock( &p_ev->lock );
1040             var_Get( p_ev->p_vlc, "key-pressed", &valk );
1041             for( i = 0; p_hotkeys[i].psz_action != NULL; i++ )
1042             {
1043                 if( p_hotkeys[i].i_key == valk.i_int )
1044                 {
1045                     i_action = p_hotkeys[i].i_action;
1046                 }
1047             }
1048
1049             switch( i_action )
1050             {
1051             case ACTIONID_NAV_LEFT:
1052                 dvdnav_left_button_select( p_sys->dvdnav, pci );
1053                 break;
1054             case ACTIONID_NAV_RIGHT:
1055                 dvdnav_right_button_select( p_sys->dvdnav, pci );
1056                 break;
1057             case ACTIONID_NAV_UP:
1058                 dvdnav_upper_button_select( p_sys->dvdnav, pci );
1059                 break;
1060             case ACTIONID_NAV_DOWN:
1061                 dvdnav_lower_button_select( p_sys->dvdnav, pci );
1062                 break;
1063             case ACTIONID_NAV_ACTIVATE:
1064                 b_activated = VLC_TRUE;
1065                 dvdnav_button_activate( p_sys->dvdnav, pci );
1066                 break;
1067             default:
1068                 break;
1069             }
1070             p_ev->b_key = VLC_FALSE;
1071             vlc_mutex_unlock( &p_ev->lock );
1072         }
1073
1074         /* VOUT part */
1075         if( p_vout && ( p_ev->b_moved || p_ev->b_clicked ) )
1076         {
1077             pci_t       *pci = dvdnav_get_current_nav_pci( p_sys->dvdnav );
1078             vlc_value_t valx, valy;
1079
1080             vlc_mutex_lock( &p_ev->lock );
1081             var_Get( p_vout, "mouse-x", &valx );
1082             var_Get( p_vout, "mouse-y", &valy );
1083
1084             if( p_ev->b_moved )
1085             {
1086                 dvdnav_mouse_select( p_sys->dvdnav, pci, valx.i_int,
1087                                      valy.i_int );
1088             }
1089             if( p_ev->b_clicked )
1090             {
1091                 b_activated = VLC_TRUE;
1092                 dvdnav_mouse_activate( p_sys->dvdnav, pci, valx.i_int,
1093                                        valy.i_int );
1094             }
1095
1096             p_ev->b_moved = VLC_FALSE;
1097             p_ev->b_clicked = VLC_FALSE;
1098             vlc_mutex_unlock( &p_ev->lock );
1099         }
1100         if( p_vout && p_vout->b_die )
1101         {
1102             var_DelCallback( p_vout, "mouse-moved", EventMouse, p_ev );
1103             var_DelCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
1104             vlc_object_release( p_vout );
1105             p_vout = NULL;
1106         }
1107         if( p_vout == NULL )
1108         {
1109             p_vout = vlc_object_find( p_sys->p_input, VLC_OBJECT_VOUT,
1110                                       FIND_CHILD );
1111             if( p_vout)
1112             {
1113                 var_AddCallback( p_vout, "mouse-moved", EventMouse, p_ev );
1114                 var_AddCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
1115             }
1116         }
1117
1118         /* Still part */
1119         vlc_mutex_lock( &p_ev->lock );
1120         if( p_ev->b_still )
1121         {
1122             if( /* b_activated || // This breaks menus */
1123                 ( p_ev->i_still_end > 0 && p_ev->i_still_end < mdate() ))
1124             {
1125                 p_ev->b_still = VLC_FALSE;
1126                 dvdnav_still_skip( p_sys->dvdnav );
1127             }
1128         }
1129         vlc_mutex_unlock( &p_ev->lock );
1130
1131         /* Wait a bit */
1132         msleep( 10000 );
1133     }
1134
1135     /* Release callback */
1136     if( p_vout )
1137     {
1138         var_DelCallback( p_vout, "mouse-moved", EventMouse, p_ev );
1139         var_DelCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
1140         vlc_object_release( p_vout );
1141     }
1142     var_DelCallback( p_ev->p_vlc, "key-pressed", EventKey, p_ev );
1143
1144     vlc_mutex_destroy( &p_ev->lock );
1145
1146     return VLC_SUCCESS;
1147 }
1148
1149 static int EventMouse( vlc_object_t *p_this, char const *psz_var,
1150                        vlc_value_t oldval, vlc_value_t newval, void *p_data )
1151 {
1152     event_thread_t *p_ev = p_data;
1153     vlc_mutex_lock( &p_ev->lock );
1154     if( psz_var[6] == 'c' )
1155         p_ev->b_clicked = VLC_TRUE;
1156     else if( psz_var[6] == 'm' )
1157         p_ev->b_moved = VLC_TRUE;
1158     vlc_mutex_unlock( &p_ev->lock );
1159
1160     return VLC_SUCCESS;
1161 }
1162
1163 static int EventKey( vlc_object_t *p_this, char const *psz_var,
1164                      vlc_value_t oldval, vlc_value_t newval, void *p_data )
1165 {
1166     event_thread_t *p_ev = p_data;
1167     vlc_mutex_lock( &p_ev->lock );
1168     p_ev->b_key = VLC_TRUE;
1169     vlc_mutex_unlock( &p_ev->lock );
1170
1171     return VLC_SUCCESS;
1172 }
1173
1174 static int MenusCallback( vlc_object_t *p_this, char const *psz_name,
1175                           vlc_value_t oldval, vlc_value_t newval, void *p_arg )
1176 {
1177     demux_t *p_demux = (demux_t*)p_arg;
1178
1179     /* FIXME, not thread safe */
1180     dvdnav_menu_call( p_demux->p_sys->dvdnav, newval.i_int );
1181
1182     return VLC_SUCCESS;
1183 }