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 /* Shall we use libdvdnav's read ahead cache? */
  78 #define DVD_READ_CACHE 1
  79
  80 /*****************************************************************************
  81  * Local prototypes
  82  *****************************************************************************/
  83 static ssize_t AccessRead( input_thread_t *, byte_t *, size_t ); /* dummy */
  84 static char *ParseCL( vlc_object_t *, char *, vlc_bool_t, int *, int *, int *);
  85
  86 typedef struct
  87 {
  88     VLC_COMMON_MEMBERS
  89
  90     demux_t        *p_demux;
  91     vlc_mutex_t     lock;
  92
  93     vlc_bool_t      b_moved;
  94     vlc_bool_t      b_clicked;
  95     vlc_bool_t      b_key;
  96
  97     vlc_bool_t      b_still;
  98     int64_t         i_still_end;
  99
 100 } event_thread_t;
 101
 102 static int EventThread( vlc_object_t * );
 103
 104 struct demux_sys_t
 105 {
 106     dvdnav_t    *dvdnav;
 107
 108     /* track */
 109     ps_track_t  tk[PS_TK_COUNT];
 110
 111     /* for spu variables */
 112     input_thread_t *p_input;
 113
 114     /* event */
 115     event_thread_t *p_ev;
 116
 117     /* FIXME */
 118     uint8_t     alpha[4];
 119     uint32_t    clut[16];
 120
 121     /* */
 122     int i_aspect;
 123
 124     /* */
 125     vlc_bool_t  b_es_out_ok;
 126     vlc_bool_t  b_simple;
 127 };
 128
 129 static int DemuxControl( demux_t *, int, va_list );
 130 static int DemuxDemux  ( demux_t * );
 131 static int DemuxBlock  ( demux_t *, uint8_t *pkt, int i_pkt );
 132
 133 enum
 134 {
 135     AR_SQUARE_PICTURE = 1,                          /* square pixels */
 136     AR_3_4_PICTURE    = 2,                       /* 3:4 picture (TV) */
 137     AR_16_9_PICTURE   = 3,             /* 16:9 picture (wide screen) */
 138     AR_221_1_PICTURE  = 4,                 /* 2.21:1 picture (movie) */
 139 };
 140
 141 static int MenusCallback( vlc_object_t *, char const *,
 142                           vlc_value_t, vlc_value_t, void * );
 143
 144 static void ESSubtitleUpdate( demux_t * );
 145 static void ButtonUpdate( demux_t * );
 146
 147 /*****************************************************************************
 148  * Open: see if dvdnav can handle the input and if so force dvdnav demux
 149  *****************************************************************************
 150  * For now it has to be like that (ie open dvdnav twice) but will be fixed
 151  * when a demux can work without an access module.
 152  *****************************************************************************/
 153 static int AccessOpen( vlc_object_t *p_this )
 154 {
 155     input_thread_t *p_input = (input_thread_t *)p_this;
 156     dvdnav_t       *dvdnav;
 157     int            i_title, i_chapter, i_angle;
 158     char           *psz_name;
 159     vlc_value_t    val;
 160     vlc_bool_t     b_force;
 161
 162     /* We try only if we are forced */
 163     if( p_input->psz_demux && *p_input->psz_demux &&
 164         strncmp( p_input->psz_demux, "dvdnav", 6 ) )
 165     {
 166         msg_Warn( p_input, "dvdnav access discarded (demuxer forced)" );
 167         return VLC_EGENERIC;
 168     }
 169
 170     b_force = p_input->psz_access &&
 171               !strncmp( p_input->psz_access, "dvdnav", 6 );
 172
 173     psz_name = ParseCL( VLC_OBJECT(p_input), p_input->psz_name, b_force,
 174                         &i_title, &i_chapter, &i_angle );
 175     if( !psz_name )
 176     {
 177         return VLC_EGENERIC;
 178     }
 179
 180     /* Test dvdnav */
 181     if( dvdnav_open( &dvdnav, psz_name ) != DVDNAV_STATUS_OK )
 182     {
 183         msg_Warn( p_input, "cannot open dvdnav" );
 184         free( psz_name );
 185         return VLC_EGENERIC;
 186     }
 187     dvdnav_close( dvdnav );
 188     free( psz_name );
 189
 190     /* Fill p_input fields */
 191     p_input->pf_read = AccessRead;
 192     p_input->pf_set_program = input_SetProgram;
 193     p_input->pf_set_area = NULL;
 194     p_input->pf_seek = NULL;
 195
 196     vlc_mutex_lock( &p_input->stream.stream_lock );
 197     p_input->stream.b_pace_control = VLC_TRUE;
 198     p_input->stream.b_seekable = VLC_TRUE;
 199     p_input->stream.p_selected_area->i_tell = 0;
 200
 201     /* Bogus for demux1 compatibility */
 202     p_input->stream.p_selected_area->i_size = 10000;
 203
 204     p_input->stream.i_method = INPUT_METHOD_DVD;
 205     vlc_mutex_unlock( &p_input->stream.stream_lock );
 206     p_input->i_mtu = 0;
 207
 208     /* Force dvdnav demux */
 209     if( p_input->psz_access && !strncmp(p_input->psz_access, "dvdnav", 6 ) )
 210         p_input->psz_demux = strdup( p_input->psz_access );
 211     else
 212         p_input->psz_demux = strdup( "dvdnav" );
 213
 214     /* Update default_pts to a suitable value for udp access */
 215     var_Create( p_input, "dvdnav-caching", VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
 216     var_Get( p_input, "dvdnav-caching", &val );
 217     p_input->i_pts_delay = val.i_int * 1000;
 218
 219     return VLC_SUCCESS;
 220 }
 221
 222 /*****************************************************************************
 223  * Close: free unused data structures
 224  *****************************************************************************/
 225 static void AccessClose( vlc_object_t *p_this )
 226 {
 227 }
 228
 229 /*****************************************************************************
 230  * Read: Should not be called (ie not used by the dvdnav demuxer)
 231  *****************************************************************************/
 232 static ssize_t AccessRead( input_thread_t *p_input, byte_t *p_buffer,
 233                            size_t i_len )
 234 {
 235     memset( p_buffer, 0, i_len );
 236     return i_len;
 237 }
 238
 239 /*****************************************************************************
 240  * ParseCL: parse command line
 241  *****************************************************************************/
 242 static char *ParseCL( vlc_object_t *p_this, char *psz_name, vlc_bool_t b_force,
 243                       int *i_title, int *i_chapter, int *i_angle )
 244 {
 245     char *psz_parser, *psz_source, *psz_next;
 246
 247     psz_source = strdup( psz_name );
 248     if( psz_source == NULL ) return NULL;
 249
 250     *i_title = 0;
 251     *i_chapter = 1;
 252     *i_angle = 1;
 253
 254     /* Start with the end, because you could have :
 255      * dvdnav:/Volumes/my@toto/VIDEO_TS@1,1
 256      * (yes, this is kludgy). */
 257     for( psz_parser = psz_source + strlen(psz_source) - 1;
 258          psz_parser >= psz_source && *psz_parser != '@';
 259          psz_parser-- );
 260
 261     if( psz_parser >= psz_source && *psz_parser == '@' )
 262     {
 263         /* Found options */
 264         *psz_parser = '\0';
 265         ++psz_parser;
 266
 267         *i_title = (int)strtol( psz_parser, &psz_next, 10 );
 268         if( *psz_next )
 269         {
 270             psz_parser = psz_next + 1;
 271             *i_chapter = (int)strtol( psz_parser, &psz_next, 10 );
 272             if( *psz_next )
 273             {
 274                 *i_angle = (int)strtol( psz_next + 1, NULL, 10 );
 275             }
 276         }
 277     }
 278
 279     *i_title   = *i_title >= 0 ? *i_title : 0;
 280     *i_chapter = *i_chapter    ? *i_chapter : 1;
 281     *i_angle   = *i_angle      ? *i_angle : 1;
 282
 283     if( !*psz_source )
 284     {
 285         free( psz_source );
 286         if( !b_force )
 287         {
 288             return NULL;
 289         }
 290         psz_source = config_GetPsz( p_this, "dvd" );
 291         if( !psz_source ) return NULL;
 292     }
 293
 294     msg_Dbg( p_this, "dvdroot=%s title=%d chapter=%d angle=%d",
 295              psz_source, *i_title, *i_chapter, *i_angle );
 296
 297     return psz_source;
 298 }
 299
 300 /*****************************************************************************
 301  * DemuxOpen:
 302  *****************************************************************************/
 303 static int DemuxOpen( vlc_object_t *p_this )
 304 {
 305     demux_t     *p_demux = (demux_t*)p_this;
 306     demux_sys_t *p_sys;
 307     vlc_value_t val, text;
 308     int         i_title, i_titles, i_chapter, i_chapters, i_angle, i;
 309     char        *psz_name;
 310
 311     if( strncmp( p_demux->psz_access, "dvdnav", 6 ) ||
 312         strncmp( p_demux->psz_demux,  "dvdnav", 6 ) )
 313     {
 314         msg_Warn( p_demux, "dvdnav module discarded" );
 315         return VLC_EGENERIC;
 316     }
 317
 318     psz_name = ParseCL( VLC_OBJECT(p_demux), p_demux->psz_path, VLC_TRUE,
 319                         &i_title, &i_chapter, &i_angle );
 320     if( !psz_name )
 321     {
 322         return VLC_EGENERIC;
 323     }
 324
 325     /* Init p_sys */
 326     p_demux->p_sys = p_sys = malloc( sizeof( demux_sys_t ) );
 327     memset( p_sys, 0, sizeof( demux_sys_t ) );
 328
 329     p_sys->b_simple =
 330         strcmp( p_demux->psz_access, "dvdnavsimple" ) ? VLC_FALSE : VLC_TRUE;
 331     if( p_sys->b_simple && i_title < 1 )
 332     {
 333         /* Skip menu part */
 334         i_title = 1;
 335     }
 336
 337     ps_track_init( p_sys->tk );
 338     p_sys->i_aspect = -1;
 339     p_sys->b_es_out_ok = VLC_FALSE;
 340
 341     /* Open dvdnav */
 342     if( dvdnav_open( &p_sys->dvdnav, psz_name ) != DVDNAV_STATUS_OK )
 343     {
 344         msg_Warn( p_demux, "cannot open dvdnav" );
 345         free( psz_name );
 346         return VLC_EGENERIC;
 347     }
 348     free( psz_name );
 349
 350     /* Configure dvdnav */
 351     if( dvdnav_set_readahead_flag( p_sys->dvdnav, DVD_READ_CACHE ) !=
 352           DVDNAV_STATUS_OK )
 353     {
 354         msg_Warn( p_demux, "cannot set read-a-head flag" );
 355     }
 356
 357     if( dvdnav_set_PGC_positioning_flag( p_sys->dvdnav, 1 ) !=
 358           DVDNAV_STATUS_OK )
 359     {
 360         msg_Warn( p_demux, "cannot set PGC positioning flag" );
 361     }
 362
 363     if( dvdnav_menu_language_select ( p_sys->dvdnav,"en") != DVDNAV_STATUS_OK||
 364         dvdnav_audio_language_select( p_sys->dvdnav,"en") != DVDNAV_STATUS_OK||
 365         dvdnav_spu_language_select  ( p_sys->dvdnav,"en") != DVDNAV_STATUS_OK )
 366     {
 367         msg_Warn( p_demux, "something failed while setting en language (%s)",
 368                   dvdnav_err_to_string( p_sys->dvdnav ) );
 369     }
 370
 371 #if 0 // FIXME: Doesn't work with libdvdnav CVS!
 372     /* Find out number of titles/chapters */
 373     dvdnav_get_number_of_titles( p_sys->dvdnav, &i_titles );
 374     for( i = 1; i <= i_titles; i++ )
 375     {
 376         i_chapters = 0;
 377         dvdnav_get_number_of_parts( p_sys->dvdnav, i, &i_chapters );
 378     }
 379 #endif
 380
 381     if( dvdnav_title_play( p_sys->dvdnav, i_title ) !=
 382           DVDNAV_STATUS_OK )
 383     {
 384         msg_Warn( p_demux, "cannot set title/chapter" );
 385     }
 386
 387     /* fill p_demux field */
 388     p_demux->pf_control = DemuxControl;
 389     p_demux->pf_demux = DemuxDemux;
 390
 391     /* For simple mode (no menus), we're done */
 392     if( p_sys->b_simple ) return VLC_SUCCESS;
 393
 394     /* Get p_input and create variable */
 395     p_sys->p_input = vlc_object_find( p_demux, VLC_OBJECT_INPUT, FIND_PARENT );
 396     var_Create( p_sys->p_input, "x-start", VLC_VAR_INTEGER );
 397     var_Create( p_sys->p_input, "y-start", VLC_VAR_INTEGER );
 398     var_Create( p_sys->p_input, "x-end", VLC_VAR_INTEGER );
 399     var_Create( p_sys->p_input, "y-end", VLC_VAR_INTEGER );
 400     var_Create( p_sys->p_input, "color", VLC_VAR_ADDRESS );
 401     var_Create( p_sys->p_input, "contrast", VLC_VAR_ADDRESS );
 402     var_Create( p_sys->p_input, "highlight", VLC_VAR_BOOL );
 403     var_Create( p_sys->p_input, "highlight-mutex", VLC_VAR_MUTEX );
 404
 405     /* Create a few object variables used for navigation in the interfaces */
 406     var_Create( p_sys->p_input, "dvd_menus",
 407                 VLC_VAR_INTEGER | VLC_VAR_HASCHOICE | VLC_VAR_ISCOMMAND );
 408     text.psz_string = _("DVD menus");
 409     var_Change( p_sys->p_input, "dvd_menus", VLC_VAR_SETTEXT, &text, NULL );
 410     var_AddCallback( p_sys->p_input, "dvd_menus", MenusCallback, p_demux );
 411     val.i_int = DVD_MENU_Escape; text.psz_string = _("Resume");
 412     var_Change( p_sys->p_input, "dvd_menus", VLC_VAR_ADDCHOICE, &val, &text );
 413     val.i_int = DVD_MENU_Root; text.psz_string = _("Root");
 414     var_Change( p_sys->p_input, "dvd_menus", VLC_VAR_ADDCHOICE, &val, &text );
 415     val.i_int = DVD_MENU_Title; text.psz_string = _("Title");
 416     var_Change( p_sys->p_input, "dvd_menus", VLC_VAR_ADDCHOICE, &val, &text );
 417     val.i_int = DVD_MENU_Part; text.psz_string = _("Chapter");
 418     var_Change( p_sys->p_input, "dvd_menus", VLC_VAR_ADDCHOICE, &val, &text );
 419     val.i_int = DVD_MENU_Subpicture; text.psz_string = _("Subtitle");
 420     var_Change( p_sys->p_input, "dvd_menus", VLC_VAR_ADDCHOICE, &val, &text );
 421     val.i_int = DVD_MENU_Audio; text.psz_string = _("Audio");
 422     var_Change( p_sys->p_input, "dvd_menus", VLC_VAR_ADDCHOICE, &val, &text );
 423     val.i_int = DVD_MENU_Angle; text.psz_string = _("Angle");
 424     var_Change( p_sys->p_input, "dvd_menus", VLC_VAR_ADDCHOICE, &val, &text );
 425
 426     /* Now create our event thread catcher */
 427     p_sys->p_ev = vlc_object_create( p_demux, sizeof( event_thread_t ) );
 428     p_sys->p_ev->p_demux = p_demux;
 429     vlc_thread_create( p_sys->p_ev, "dvdnav event thread handler", EventThread,
 430                        VLC_THREAD_PRIORITY_LOW, VLC_FALSE );
 431
 432     return VLC_SUCCESS;
 433 }
 434
 435 /*****************************************************************************
 436  * DemuxClose:
 437  *****************************************************************************/
 438 static void DemuxClose( vlc_object_t *p_this )
 439 {
 440     demux_t     *p_demux = (demux_t*)p_this;
 441     demux_sys_t *p_sys = p_demux->p_sys;
 442     int i;
 443
 444     if( !p_sys->b_simple )
 445     {
 446         /* stop the event handler */
 447         p_sys->p_ev->b_die = VLC_TRUE;
 448         vlc_thread_join( p_sys->p_ev );
 449         vlc_object_destroy( p_sys->p_ev );
 450
 451         var_Destroy( p_sys->p_input, "highlight-mutex" );
 452         var_Destroy( p_sys->p_input, "highlight" );
 453         var_Destroy( p_sys->p_input, "x-start" );
 454         var_Destroy( p_sys->p_input, "x-end" );
 455         var_Destroy( p_sys->p_input, "y-start" );
 456         var_Destroy( p_sys->p_input, "y-end" );
 457         var_Destroy( p_sys->p_input, "color" );
 458         var_Destroy( p_sys->p_input, "contrast" );
 459
 460         vlc_object_release( p_sys->p_input );
 461     }
 462
 463     for( i = 0; i < PS_TK_COUNT; i++ )
 464     {
 465         ps_track_t *tk = &p_sys->tk[i];
 466         if( tk->b_seen )
 467         {
 468             es_format_Clean( &tk->fmt );
 469             if( tk->es ) es_out_Del( p_demux->out, tk->es );
 470         }
 471     }
 472
 473     dvdnav_close( p_sys->dvdnav );
 474     free( p_sys );
 475 }
 476
 477 /*****************************************************************************
 478  * DemuxControl:
 479  *****************************************************************************/
 480 static int DemuxControl( demux_t *p_demux, int i_query, va_list args )
 481 {
 482     demux_sys_t *p_sys = p_demux->p_sys;
 483     double f, *pf;
 484
 485     switch( i_query )
 486     {
 487         case DEMUX_GET_POSITION:
 488         {
 489             uint32_t pos, len;
 490             pf = (double*) va_arg( args, double* );
 491             if( dvdnav_get_position( p_sys->dvdnav, &pos, &len ) ==
 492                   DVDNAV_STATUS_OK && len > 0 )
 493             {
 494                 *pf = (double)pos / (double)len;
 495             }
 496             else
 497             {
 498                 *pf = 0.0;
 499             }
 500             return VLC_SUCCESS;
 501         }
 502         case DEMUX_SET_POSITION:
 503         {
 504             uint32_t pos, len;
 505             f = (double) va_arg( args, double );
 506             if( dvdnav_get_position( p_sys->dvdnav, &pos, &len ) ==
 507                   DVDNAV_STATUS_OK && len > 0 )
 508             {
 509                 pos = f * len;
 510                 if( dvdnav_sector_search( p_sys->dvdnav, pos, SEEK_SET ) ==
 511                       DVDNAV_STATUS_OK )
 512                 {
 513                     return VLC_SUCCESS;
 514                 }
 515             }
 516
 517             return VLC_EGENERIC;
 518         }
 519
 520         /* TODO implement others */
 521         default:
 522             return VLC_EGENERIC;
 523     }
 524 }
 525
 526 /*****************************************************************************
 527  * DemuxDemux:
 528  *****************************************************************************/
 529 static int DemuxDemux( demux_t *p_demux )
 530 {
 531     demux_sys_t *p_sys = p_demux->p_sys;
 532
 533     uint8_t buffer[DVD_VIDEO_LB_LEN];
 534     uint8_t *packet = buffer;
 535     int i_event;
 536     int i_len;
 537
 538     if( !p_sys->b_es_out_ok )
 539     {
 540         if( !p_sys->b_simple )
 541         {
 542             /* We do ourself the selection/unselection
 543              * Problem: bypass --audio-channel and --spu-channel
 544              * Solution: call ourself dvdnav_??set_channel -> TODO
 545              */
 546             es_out_Control( p_demux->out, ES_OUT_SET_MODE, ES_OUT_MODE_NONE );
 547         }
 548
 549         p_sys->b_es_out_ok = VLC_TRUE;
 550     }
 551
 552 #if DVD_READ_CACHE
 553     if( dvdnav_get_next_cache_block( p_sys->dvdnav, &packet, &i_event, &i_len )
 554 #else
 555     if( dvdnav_get_next_block( p_sys->dvdnav, packet, &i_event, &i_len )
 556 #endif
 557           == DVDNAV_STATUS_ERR )
 558     {
 559         msg_Warn( p_demux, "cannot get next block (%s)",
 560                   dvdnav_err_to_string( p_sys->dvdnav ) );
 561         return -1;
 562     }
 563
 564     switch( i_event )
 565     {
 566     case DVDNAV_BLOCK_OK:   /* mpeg block */
 567         DemuxBlock( p_demux, packet, i_len );
 568         break;
 569
 570     case DVDNAV_NOP:    /* Nothing */
 571         msg_Dbg( p_demux, "DVDNAV_NOP" );
 572         break;
 573
 574     case DVDNAV_STILL_FRAME:
 575     {
 576         dvdnav_still_event_t *event = (dvdnav_still_event_t*)packet;
 577         if( !p_sys->b_simple )
 578         {
 579             vlc_mutex_lock( &p_sys->p_ev->lock );
 580             if( !p_sys->p_ev->b_still )
 581             {
 582                 msg_Dbg( p_demux, "DVDNAV_STILL_FRAME" );
 583                 msg_Dbg( p_demux, "     - length=0x%x", event->length );
 584                 p_sys->p_ev->b_still = VLC_TRUE;
 585                 if( event->length == 0xff )
 586                 {
 587                     p_sys->p_ev->i_still_end = 0;
 588                 }
 589                 else
 590                 {
 591                     p_sys->p_ev->i_still_end = (int64_t)event->length *
 592                         1000000 + mdate() + p_sys->p_input->i_pts_delay;
 593                 }
 594             }
 595             vlc_mutex_unlock( &p_sys->p_ev->lock );
 596             msleep( 40000 );
 597         }
 598         else
 599         {
 600             dvdnav_still_skip( p_sys->dvdnav );
 601         }
 602         break;
 603     }
 604     case DVDNAV_SPU_STREAM_CHANGE:
 605     {
 606         dvdnav_spu_stream_change_event_t *event =
 607             (dvdnav_spu_stream_change_event_t*)packet;
 608         msg_Dbg( p_demux, "DVDNAV_SPU_STREAM_CHANGE" );
 609         msg_Dbg( p_demux, "     - physical_wide=%d",
 610                  event->physical_wide );
 611         msg_Dbg( p_demux, "     - physical_letterbox=%d",
 612                  event->physical_letterbox);
 613         msg_Dbg( p_demux, "     - physical_pan_scan=%d",
 614                  event->physical_pan_scan );
 615
 616         if( !p_sys->b_simple )
 617         {
 618             ESSubtitleUpdate( p_demux );
 619         }
 620         break;
 621     }
 622     case DVDNAV_AUDIO_STREAM_CHANGE:
 623     {
 624         dvdnav_audio_stream_change_event_t *event =
 625             (dvdnav_audio_stream_change_event_t*)packet;
 626         msg_Dbg( p_demux, "DVDNAV_AUDIO_STREAM_CHANGE" );
 627         msg_Dbg( p_demux, "     - physical=%d", event->physical );
 628         /* TODO */
 629         break;
 630     }
 631     case DVDNAV_VTS_CHANGE:
 632     {
 633         int i;
 634         dvdnav_vts_change_event_t *event = (dvdnav_vts_change_event_t*)packet;
 635         msg_Dbg( p_demux, "DVDNAV_VTS_CHANGE" );
 636         msg_Dbg( p_demux, "     - vtsN=%d", event->new_vtsN );
 637         msg_Dbg( p_demux, "     - domain=%d", event->new_domain );
 638
 639         /* dvdnav_get_video_aspect / dvdnav_get_video_scale_permission */
 640         /* TODO check if we alsways have VTS and CELL */
 641         p_sys->i_aspect = dvdnav_get_video_aspect( p_sys->dvdnav );
 642
 643         /* reset PCR */
 644         es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
 645
 646         for( i = 0; i < PS_TK_COUNT; i++ )
 647         {
 648             ps_track_t *tk = &p_sys->tk[i];
 649             if( tk->b_seen )
 650             {
 651                 es_format_Clean( &tk->fmt );
 652                 if( tk->es ) es_out_Del( p_demux->out, tk->es );
 653             }
 654             tk->b_seen = VLC_FALSE;
 655         }
 656
 657         if( p_sys->b_simple )
 658         {
 659             int32_t i_title = 0;
 660             int32_t i_part  = 0;
 661             if( dvdnav_current_title_info( p_sys->dvdnav, &i_title,
 662                                            &i_part ) == DVDNAV_STATUS_OK )
 663             {
 664                 if( i_title == 0 )
 665                 {
 666                     /* we have returned in menu, stop dvd */
 667                     /* FIXME is it the right way ? */
 668                     return 0;
 669                 }
 670             }
 671         }
 672         break;
 673     }
 674     case DVDNAV_CELL_CHANGE:
 675     {
 676         dvdnav_cell_change_event_t *event =
 677             (dvdnav_cell_change_event_t*)packet;
 678         msg_Dbg( p_demux, "DVDNAV_CELL_CHANGE" );
 679         msg_Dbg( p_demux, "     - cellN=%d", event->cellN );
 680         msg_Dbg( p_demux, "     - pgN=%d", event->pgN );
 681         msg_Dbg( p_demux, "     - cell_length=%lld", event->cell_length );
 682         msg_Dbg( p_demux, "     - pg_length=%lld", event->pg_length );
 683         msg_Dbg( p_demux, "     - pgc_length=%lld", event->pgc_length );
 684         msg_Dbg( p_demux, "     - cell_start=%lld", event->cell_start );
 685         msg_Dbg( p_demux, "     - pg_start=%lld", event->pg_start );
 686         break;
 687     }
 688     case DVDNAV_NAV_PACKET:
 689     {
 690 #ifdef DVDNAV_DEBUG
 691         msg_Dbg( p_demux, "DVDNAV_NAV_PACKET" );
 692 #endif
 693         /* A lot of thing to do here :
 694          *  - handle packet
 695          *  - fetch pts (for time display)
 696          *  - ...
 697          */
 698         DemuxBlock( p_demux, packet, i_len );
 699         break;
 700     }
 701     case DVDNAV_STOP:   /* EOF */
 702         msg_Dbg( p_demux, "DVDNAV_STOP" );
 703         return 0;
 704
 705     case DVDNAV_HIGHLIGHT:
 706     {
 707         dvdnav_highlight_event_t *event = (dvdnav_highlight_event_t*)packet;
 708         msg_Dbg( p_demux, "DVDNAV_HIGHLIGHT" );
 709         msg_Dbg( p_demux, "     - display=%d", event->display );
 710         msg_Dbg( p_demux, "     - buttonN=%d", event->buttonN );
 711         if( !p_sys->b_simple )
 712         {
 713             ButtonUpdate( p_demux );
 714         }
 715         break;
 716     }
 717
 718     case DVDNAV_SPU_CLUT_CHANGE:
 719         msg_Dbg( p_demux, "DVDNAV_SPU_CLUT_CHANGE" );
 720         /* Update color lookup table (16 *uint32_t in packet) */
 721         memcpy( p_sys->clut, packet, 16 * sizeof( uint32_t ) );
 722         break;
 723
 724     case DVDNAV_HOP_CHANNEL:
 725         msg_Dbg( p_demux, "DVDNAV_HOP_CHANNEL" );
 726         /* We should try to flush all our internal buffer */
 727         break;
 728
 729     case DVDNAV_WAIT:
 730         msg_Dbg( p_demux, "DVDNAV_WAIT" );
 731
 732         dvdnav_wait_skip( p_sys->dvdnav );
 733         break;
 734
 735     default:
 736         msg_Warn( p_demux, "Unknown event (0x%x)", i_event );
 737         break;
 738     }
 739
 740 #if DVD_READ_CACHE
 741     dvdnav_free_cache_block( p_sys->dvdnav, packet );
 742 #endif
 743
 744     return 1;
 745 }
 746 /*****************************************************************************
 747  * Update functions:
 748  *****************************************************************************/
 749 static void ButtonUpdate( demux_t *p_demux )
 750 {
 751     demux_sys_t *p_sys = p_demux->p_sys;
 752     vlc_value_t val;
 753     int32_t i_title, i_part;
 754
 755     dvdnav_current_title_info( p_sys->dvdnav, &i_title, &i_part );
 756
 757     if( var_Get( p_sys->p_input, "highlight-mutex", &val ) == VLC_SUCCESS )
 758     {
 759         vlc_mutex_t *p_mutex = val.p_address;
 760         dvdnav_highlight_area_t hl;
 761         int32_t i_button;
 762
 763         if( dvdnav_get_current_highlight( p_sys->dvdnav, &i_button )
 764             != DVDNAV_STATUS_OK )
 765         {
 766             msg_Err( p_demux, "dvdnav_get_current_highlight failed" );
 767             return;
 768         }
 769
 770         if( i_button > 0 && i_title ==  0 )
 771         {
 772             pci_t *pci = dvdnav_get_current_nav_pci( p_sys->dvdnav );
 773
 774             dvdnav_get_highlight_area( pci, i_button, 1, &hl );
 775
 776             /* I fear it is plain wrong */
 777             //val.p_address = (void *)&hl.palette;
 778             p_sys->alpha[0] = hl.palette&0x0f;
 779             p_sys->alpha[1] = (hl.palette>>4)&0x0f;
 780             p_sys->alpha[2] = (hl.palette>>8)&0x0f;
 781             p_sys->alpha[3] = (hl.palette>>12)&0x0f;
 782
 783             vlc_mutex_lock( p_mutex );
 784             val.i_int = hl.sx; var_Set( p_sys->p_input, "x-start", val );
 785             val.i_int = hl.ex; var_Set( p_sys->p_input, "x-end", val );
 786             val.i_int = hl.sy; var_Set( p_sys->p_input, "y-start", val );
 787             val.i_int = hl.ey; var_Set( p_sys->p_input, "y-end", val );
 788
 789             val.p_address = (void *)p_sys->alpha;
 790             var_Set( p_sys->p_input, "contrast", val );
 791
 792             val.b_bool = VLC_TRUE; var_Set( p_sys->p_input, "highlight", val );
 793             vlc_mutex_unlock( p_mutex );
 794
 795             msg_Dbg( p_demux, "buttonUpdate %d", i_button );
 796         }
 797         else
 798         {
 799             msg_Dbg( p_demux, "buttonUpdate not done b=%d t=%d",
 800                      i_button, i_title );
 801
 802             /* Show all */
 803             vlc_mutex_lock( p_mutex );
 804             val.b_bool = VLC_FALSE;
 805             var_Set( p_sys->p_input, "highlight", val );
 806             vlc_mutex_unlock( p_mutex );
 807         }
 808     }
 809 }
 810
 811 static void ESNew( demux_t *p_demux, int i_id );
 812
 813 static void ESSubtitleUpdate( demux_t *p_demux )
 814 {
 815     demux_sys_t *p_sys = p_demux->p_sys;
 816     int         i_spu = dvdnav_get_active_spu_stream( p_sys->dvdnav );
 817     int32_t i_title, i_part;
 818
 819     ButtonUpdate( p_demux );
 820
 821     dvdnav_current_title_info( p_sys->dvdnav, &i_title, &i_part );
 822     if( i_title > 0 )
 823     {
 824         return;
 825     }
 826
 827     if( i_spu >= 0 && i_spu <= 0x1f )
 828     {
 829         ps_track_t *tk = &p_sys->tk[PS_ID_TO_TK(0xbd20 + i_spu)];
 830
 831         if( !tk->b_seen )
 832         {
 833             ESNew( p_demux, 0xbd20 + i_spu);
 834         }
 835         /* be sure to unselect it (reset) */
 836         es_out_Control( p_demux->out, ES_OUT_SET_ES_STATE, tk->es,
 837                         (vlc_bool_t)VLC_FALSE );
 838
 839         /* now select it */
 840         es_out_Control( p_demux->out, ES_OUT_SET_ES, tk->es );
 841     }
 842     else
 843     {
 844         for( i_spu = 0; i_spu <= 0x1F; i_spu++ )
 845         {
 846             ps_track_t *tk = &p_sys->tk[PS_ID_TO_TK(0xbd20 + i_spu)];
 847             if( tk->b_seen )
 848             {
 849                 es_out_Control( p_demux->out, ES_OUT_SET_ES_STATE, tk->es,
 850                                 (vlc_bool_t)VLC_FALSE );
 851             }
 852         }
 853     }
 854 }
 855
 856
 857 /*****************************************************************************
 858  * DemuxBlock: demux a given block
 859  *****************************************************************************/
 860 static int DemuxBlock( demux_t *p_demux, uint8_t *pkt, int i_pkt )
 861 {
 862     demux_sys_t *p_sys = p_demux->p_sys;
 863     uint8_t     *p = pkt;
 864
 865     while( p < &pkt[i_pkt] )
 866     {
 867         int i_size = ps_pkt_size( p, &pkt[i_pkt] - p );
 868         block_t *p_pkt;
 869         if( i_size <= 0 )
 870         {
 871             break;
 872         }
 873
 874         /* Create a block */
 875         p_pkt = block_New( p_demux, i_size );
 876         memcpy( p_pkt->p_buffer, p, i_size);
 877
 878         /* Parse it and send it */
 879         switch( 0x100 | p[3] )
 880         {
 881         case 0x1b9:
 882         case 0x1bb:
 883         case 0x1bc:
 884 #ifdef DVDNAV_DEBUG
 885             if( p[3] == 0xbc )
 886             {
 887                 msg_Warn( p_demux, "received a PSM packet" );
 888             }
 889             else if( p[3] == 0xbb )
 890             {
 891                 msg_Warn( p_demux, "received a SYSTEM packet" );
 892             }
 893 #endif
 894             block_Release( p_pkt );
 895             break;
 896
 897         case 0x1ba:
 898         {
 899             int64_t i_scr;
 900             int i_mux_rate;
 901             if( !ps_pkt_parse_pack( p_pkt, &i_scr, &i_mux_rate ) )
 902             {
 903                 es_out_Control( p_demux->out, ES_OUT_SET_PCR, i_scr );
 904             }
 905             block_Release( p_pkt );
 906             break;
 907         }
 908         default:
 909         {
 910             int i_id = ps_pkt_id( p_pkt );
 911             if( i_id >= 0xc0 )
 912             {
 913                 ps_track_t *tk = &p_sys->tk[PS_ID_TO_TK(i_id)];
 914
 915                 if( !tk->b_seen )
 916                 {
 917                     ESNew( p_demux, i_id );
 918                 }
 919                 if( tk->b_seen && tk->es &&
 920                     !ps_pkt_parse_pes( p_pkt, tk->i_skip ) )
 921                 {
 922                     es_out_Send( p_demux->out, tk->es, p_pkt );
 923                 }
 924                 else
 925                 {
 926                     block_Release( p_pkt );
 927                 }
 928             }
 929             else
 930             {
 931                 block_Release( p_pkt );
 932             }
 933             break;
 934         }
 935         }
 936
 937         p += i_size;
 938     }
 939
 940     return VLC_SUCCESS;
 941 }
 942
 943 /*****************************************************************************
 944  * ESNew: register a new elementary stream
 945  *****************************************************************************/
 946 static void ESNew( demux_t *p_demux, int i_id )
 947 {
 948     demux_sys_t *p_sys = p_demux->p_sys;
 949     ps_track_t  *tk = &p_sys->tk[PS_ID_TO_TK(i_id)];
 950     vlc_bool_t  b_select = VLC_FALSE;
 951
 952     if( tk->b_seen )
 953     {
 954         return;
 955     }
 956
 957     if( ps_track_fill( tk, i_id ) )
 958     {
 959         msg_Warn( p_demux, "unknown codec for id=0x%x", i_id );
 960         return;
 961     }
 962
 963     /* Add a new ES */
 964     if( tk->fmt.i_cat == VIDEO_ES )
 965     {
 966         if( p_sys->i_aspect >= 0 )
 967         {
 968             tk->fmt.video.i_aspect = p_sys->i_aspect;
 969         }
 970         b_select = VLC_TRUE;
 971     }
 972     else if( tk->fmt.i_cat == AUDIO_ES )
 973     {
 974         int i_audio = -1;
 975         /* find the audio number PLEASE find another way */
 976         if( (i_id&0xbdf8) == 0xbd88 )       /* dts */
 977         {
 978             i_audio = i_id&0x07;
 979         }
 980         else if( (i_id&0xbdf0) == 0xbd80 )  /* a52 */
 981         {
 982             i_audio = i_id&0xf;
 983         }
 984         else if( (i_id&0xbdf0) == 0xbda0 )  /* lpcm */
 985         {
 986             i_audio = i_id&0x1f;
 987         }
 988         else if( ( i_id&0xe0 ) == 0xc0 )    /* mpga */
 989         {
 990             i_audio = i_id&0x1f;
 991         }
 992         if( i_audio >= 0 )
 993         {
 994             int i_lang = dvdnav_audio_stream_to_lang( p_sys->dvdnav, i_audio );
 995             if( i_lang != 0xffff )
 996             {
 997                 tk->fmt.psz_language = malloc( 3 );
 998                 tk->fmt.psz_language[0] = (i_lang >> 8)&0xff;
 999                 tk->fmt.psz_language[1] = (i_lang     )&0xff;
1000                 tk->fmt.psz_language[2] = 0;
1001             }
1002             if( dvdnav_get_active_audio_stream( p_sys->dvdnav ) == i_audio )
1003             {
1004                 b_select = VLC_TRUE;
1005             }
1006         }
1007     }
1008     else if( tk->fmt.i_cat == SPU_ES )
1009     {
1010         int32_t i_title, i_part;
1011         int i_lang = dvdnav_spu_stream_to_lang( p_sys->dvdnav, i_id&0x1f );
1012         if( i_lang != 0xffff )
1013         {
1014             tk->fmt.psz_language = malloc( 3 );
1015             tk->fmt.psz_language[0] = (i_lang >> 8)&0xff;
1016             tk->fmt.psz_language[1] = (i_lang     )&0xff;
1017             tk->fmt.psz_language[2] = 0;
1018         }
1019
1020         /* Palette */
1021         tk->fmt.subs.spu.palette[0] = 0xBeef;
1022         memcpy( &tk->fmt.subs.spu.palette[1], p_sys->clut,
1023                 16 * sizeof( uint32_t ) );
1024
1025         /* We select only when we are not in the menu */
1026         dvdnav_current_title_info( p_sys->dvdnav, &i_title, &i_part );
1027         if( i_title > 0 &&
1028             dvdnav_get_active_spu_stream( p_sys->dvdnav ) == (i_id&0x1f) )
1029         {
1030             b_select = VLC_TRUE;
1031         }
1032     }
1033
1034     tk->es = es_out_Add( p_demux->out, &tk->fmt );
1035     if( b_select )
1036     {
1037         es_out_Control( p_demux->out, ES_OUT_SET_ES, tk->es );
1038     }
1039     tk->b_seen = VLC_TRUE;
1040 }
1041
1042 /*****************************************************************************
1043  * Event handler code
1044  *****************************************************************************/
1045 static int  EventMouse( vlc_object_t *, char const *,
1046                         vlc_value_t, vlc_value_t, void * );
1047 static int  EventKey  ( vlc_object_t *, char const *,
1048                         vlc_value_t, vlc_value_t, void * );
1049
1050 static int EventThread( vlc_object_t *p_this )
1051 {
1052     event_thread_t *p_ev = (event_thread_t*)p_this;
1053     demux_sys_t    *p_sys = p_ev->p_demux->p_sys;
1054     vlc_object_t   *p_vout = NULL;
1055
1056     vlc_mutex_init( p_ev, &p_ev->lock );
1057     p_ev->b_moved   = VLC_FALSE;
1058     p_ev->b_clicked = VLC_FALSE;
1059     p_ev->b_key     = VLC_FALSE;
1060
1061     p_ev->b_still   = VLC_FALSE;
1062
1063     /* catch all key event */
1064     var_AddCallback( p_ev->p_vlc, "key-pressed", EventKey, p_ev );
1065
1066     /* main loop */
1067     while( !p_ev->b_die )
1068     {
1069         vlc_bool_t b_activated = VLC_FALSE;
1070
1071         /* KEY part */
1072         if( p_ev->b_key )
1073         {
1074             pci_t *pci = dvdnav_get_current_nav_pci( p_sys->dvdnav );
1075
1076             vlc_value_t valk;
1077             struct hotkey *p_hotkeys = p_ev->p_vlc->p_hotkeys;
1078             int i, i_action = -1;
1079
1080             vlc_mutex_lock( &p_ev->lock );
1081             var_Get( p_ev->p_vlc, "key-pressed", &valk );
1082             for( i = 0; p_hotkeys[i].psz_action != NULL; i++ )
1083             {
1084                 if( p_hotkeys[i].i_key == valk.i_int )
1085                 {
1086                     i_action = p_hotkeys[i].i_action;
1087                 }
1088             }
1089
1090             switch( i_action )
1091             {
1092             case ACTIONID_NAV_LEFT:
1093                 dvdnav_left_button_select( p_sys->dvdnav, pci );
1094                 break;
1095             case ACTIONID_NAV_RIGHT:
1096                 dvdnav_right_button_select( p_sys->dvdnav, pci );
1097                 break;
1098             case ACTIONID_NAV_UP:
1099                 dvdnav_upper_button_select( p_sys->dvdnav, pci );
1100                 break;
1101             case ACTIONID_NAV_DOWN:
1102                 dvdnav_lower_button_select( p_sys->dvdnav, pci );
1103                 break;
1104             case ACTIONID_NAV_ACTIVATE:
1105                 b_activated = VLC_TRUE;
1106                 dvdnav_button_activate( p_sys->dvdnav, pci );
1107                 break;
1108             default:
1109                 break;
1110             }
1111             p_ev->b_key = VLC_FALSE;
1112             vlc_mutex_unlock( &p_ev->lock );
1113         }
1114
1115         /* VOUT part */
1116         if( p_vout && ( p_ev->b_moved || p_ev->b_clicked ) )
1117         {
1118             pci_t       *pci = dvdnav_get_current_nav_pci( p_sys->dvdnav );
1119             vlc_value_t valx, valy;
1120
1121             vlc_mutex_lock( &p_ev->lock );
1122             var_Get( p_vout, "mouse-x", &valx );
1123             var_Get( p_vout, "mouse-y", &valy );
1124
1125             if( p_ev->b_moved )
1126             {
1127                 dvdnav_mouse_select( p_sys->dvdnav, pci, valx.i_int,
1128                                      valy.i_int );
1129             }
1130             if( p_ev->b_clicked )
1131             {
1132                 b_activated = VLC_TRUE;
1133                 dvdnav_mouse_activate( p_sys->dvdnav, pci, valx.i_int,
1134                                        valy.i_int );
1135             }
1136
1137             p_ev->b_moved = VLC_FALSE;
1138             p_ev->b_clicked = VLC_FALSE;
1139             vlc_mutex_unlock( &p_ev->lock );
1140         }
1141         if( p_vout && p_vout->b_die )
1142         {
1143             var_DelCallback( p_vout, "mouse-moved", EventMouse, p_ev );
1144             var_DelCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
1145             vlc_object_release( p_vout );
1146             p_vout = NULL;
1147         }
1148         if( p_vout == NULL )
1149         {
1150             p_vout = vlc_object_find( p_sys->p_input, VLC_OBJECT_VOUT,
1151                                       FIND_CHILD );
1152             if( p_vout)
1153             {
1154                 var_AddCallback( p_vout, "mouse-moved", EventMouse, p_ev );
1155                 var_AddCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
1156             }
1157         }
1158
1159         /* Still part */
1160         vlc_mutex_lock( &p_ev->lock );
1161         if( p_ev->b_still )
1162         {
1163             if( /* b_activated || // This breaks menus */
1164                 ( p_ev->i_still_end > 0 && p_ev->i_still_end < mdate() ))
1165             {
1166                 p_ev->b_still = VLC_FALSE;
1167                 dvdnav_still_skip( p_sys->dvdnav );
1168             }
1169         }
1170         vlc_mutex_unlock( &p_ev->lock );
1171
1172         /* Wait a bit */
1173         msleep( 10000 );
1174     }
1175
1176     /* Release callback */
1177     if( p_vout )
1178     {
1179         var_DelCallback( p_vout, "mouse-moved", EventMouse, p_ev );
1180         var_DelCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
1181         vlc_object_release( p_vout );
1182     }
1183     var_DelCallback( p_ev->p_vlc, "key-pressed", EventKey, p_ev );
1184
1185     vlc_mutex_destroy( &p_ev->lock );
1186
1187     return VLC_SUCCESS;
1188 }
1189
1190 static int EventMouse( vlc_object_t *p_this, char const *psz_var,
1191                        vlc_value_t oldval, vlc_value_t newval, void *p_data )
1192 {
1193     event_thread_t *p_ev = p_data;
1194     vlc_mutex_lock( &p_ev->lock );
1195     if( psz_var[6] == 'c' )
1196         p_ev->b_clicked = VLC_TRUE;
1197     else if( psz_var[6] == 'm' )
1198         p_ev->b_moved = VLC_TRUE;
1199     vlc_mutex_unlock( &p_ev->lock );
1200
1201     return VLC_SUCCESS;
1202 }
1203
1204 static int EventKey( vlc_object_t *p_this, char const *psz_var,
1205                      vlc_value_t oldval, vlc_value_t newval, void *p_data )
1206 {
1207     event_thread_t *p_ev = p_data;
1208     vlc_mutex_lock( &p_ev->lock );
1209     p_ev->b_key = VLC_TRUE;
1210     vlc_mutex_unlock( &p_ev->lock );
1211
1212     return VLC_SUCCESS;
1213 }
1214
1215 static int MenusCallback( vlc_object_t *p_this, char const *psz_name,
1216                           vlc_value_t oldval, vlc_value_t newval, void *p_arg )
1217 {
1218     demux_t *p_demux = (demux_t*)p_arg;
1219
1220     /* FIXME, not thread safe */
1221     dvdnav_menu_call( p_demux->p_sys->dvdnav, newval.i_int );
1222
1223     return VLC_SUCCESS;
1224 }