git.sesse.net Git - vlc/blob - src/input/input_programs.c

   1 /*****************************************************************************
   2  * input_programs.c: es_descriptor_t, pgrm_descriptor_t management
   3  *****************************************************************************
   4  * Copyright (C) 1999, 2000 VideoLAN
   5  * $Id: input_programs.c,v 1.50 2001/04/22 00:08:26 stef Exp $
   6  *
   7  * Authors: Christophe Massiot <massiot@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 "defs.h"
  28
  29 #include <stdlib.h>
  30 #include <string.h>                                    /* memcpy(), memset() */
  31
  32 #include "config.h"
  33 #include "common.h"
  34 #include "threads.h"
  35 #include "mtime.h"
  36 #include "debug.h"
  37
  38 #include "intf_msg.h"
  39
  40 #include "stream_control.h"
  41 #include "input_ext-intf.h"
  42 #include "input_ext-dec.h"
  43 #include "input.h"
  44
  45 #include "main.h"                                     /* --noaudio --novideo */
  46
  47 /*
  48  * NOTICE : all of these functions expect you to have taken the lock on
  49  * p_input->stream.lock
  50  */
  51
  52 /*****************************************************************************
  53  * input_InitStream: init the stream descriptor of the given input
  54  *****************************************************************************/
  55 int input_InitStream( input_thread_t * p_input, size_t i_data_len )
  56 {
  57
  58     p_input->stream.i_method = INPUT_METHOD_NONE;
  59     p_input->stream.i_stream_id = 0;
  60
  61     /* initialized to 0 since we don't give the signal to the interface
  62      * before the end of input initialization */
  63     p_input->stream.b_changed = 0;
  64     p_input->stream.pp_es = NULL;
  65     p_input->stream.pp_selected_es = NULL;
  66     p_input->stream.pp_programs = NULL;
  67
  68     if( i_data_len )
  69     {
  70         if ( (p_input->stream.p_demux_data = malloc( i_data_len )) == NULL )
  71         {
  72             intf_ErrMsg( "Unable to allocate memory in input_InitStream");
  73             return 1;
  74         }
  75         memset( p_input->stream.p_demux_data, 0, i_data_len );
  76     }
  77
  78     return 0;
  79 }
  80
  81 /*****************************************************************************
  82  * input_EndStream: free all stream descriptors
  83  *****************************************************************************/
  84 void input_EndStream( input_thread_t * p_input )
  85 {
  86     /* Free all programs and associated ES, and associated decoders. */
  87     while( p_input->stream.i_pgrm_number )
  88     {
  89         input_DelProgram( p_input, p_input->stream.pp_programs[0] );
  90     }
  91
  92     /* Free standalone ES */
  93     while( p_input->stream.i_es_number )
  94     {
  95         input_DelES( p_input, p_input->stream.pp_es[0] );
  96     }
  97
  98     /* Free all areas */
  99     while( p_input->stream.i_area_nb )
 100     {
 101         input_DelArea( p_input, p_input->stream.pp_areas[0] );
 102     }
 103
 104     if( p_input->stream.p_demux_data != NULL )
 105     {
 106         free( p_input->stream.p_demux_data );
 107     }
 108 }
 109
 110 /*****************************************************************************
 111  * input_FindProgram: returns a pointer to a program described by its ID
 112  *****************************************************************************/
 113 pgrm_descriptor_t * input_FindProgram( input_thread_t * p_input, u16 i_pgrm_id )
 114 {
 115     int     i;
 116
 117     for( i = 0; i < p_input->stream.i_pgrm_number; i++ )
 118     {
 119         if( p_input->stream.pp_programs[i]->i_number == i_pgrm_id )
 120         {
 121             return p_input->stream.pp_programs[i];
 122         }
 123     }
 124
 125     return( NULL );
 126 }
 127
 128 /*****************************************************************************
 129  * input_AddProgram: add and init a program descriptor
 130  *****************************************************************************
 131  * This program descriptor will be referenced in the given stream descriptor
 132  *****************************************************************************/
 133 pgrm_descriptor_t * input_AddProgram( input_thread_t * p_input,
 134                                       u16 i_pgrm_id, size_t i_data_len )
 135 {
 136     /* Where to add the pgrm */
 137     int i_pgrm_index = p_input->stream.i_pgrm_number;
 138
 139     intf_DbgMsg("Adding description for pgrm %d", i_pgrm_id);
 140
 141     /* Add an entry to the list of program associated with the stream */
 142     p_input->stream.i_pgrm_number++;
 143     p_input->stream.pp_programs = realloc( p_input->stream.pp_programs,
 144                                            p_input->stream.i_pgrm_number
 145                                             * sizeof(pgrm_descriptor_t *) );
 146     if( p_input->stream.pp_programs == NULL )
 147     {
 148         intf_ErrMsg( "Unable to realloc memory in input_AddProgram" );
 149         return( NULL );
 150     }
 151
 152     /* Allocate the structure to store this description */
 153     p_input->stream.pp_programs[i_pgrm_index] =
 154                                         malloc( sizeof(pgrm_descriptor_t) );
 155     if( p_input->stream.pp_programs[i_pgrm_index] == NULL )
 156     {
 157         intf_ErrMsg( "Unable to allocate memory in input_AddProgram" );
 158         return( NULL );
 159     }
 160
 161     /* Init this entry */
 162     p_input->stream.pp_programs[i_pgrm_index]->i_number = i_pgrm_id;
 163     p_input->stream.pp_programs[i_pgrm_index]->b_is_ok = 0;
 164     p_input->stream.pp_programs[i_pgrm_index]->i_version = 0;
 165
 166     p_input->stream.pp_programs[i_pgrm_index]->i_es_number = 0;
 167     p_input->stream.pp_programs[i_pgrm_index]->pp_es = NULL;
 168
 169     input_ClockInit( p_input->stream.pp_programs[i_pgrm_index] );
 170
 171     p_input->stream.pp_programs[i_pgrm_index]->i_synchro_state
 172                                                 = SYNCHRO_START;
 173
 174     p_input->stream.pp_programs[i_pgrm_index]->p_vout
 175                                             = p_input->p_default_vout;
 176     p_input->stream.pp_programs[i_pgrm_index]->p_aout
 177                                             = p_input->p_default_aout;
 178
 179     if( i_data_len )
 180     {
 181         p_input->stream.pp_programs[i_pgrm_index]->p_demux_data =
 182             malloc( i_data_len );
 183         if( p_input->stream.pp_programs[i_pgrm_index]->p_demux_data == NULL )
 184         {
 185             intf_ErrMsg( "Unable to allocate memory in input_AddProgram" );
 186             return( NULL );
 187         }
 188         memset( p_input->stream.pp_programs[i_pgrm_index]->p_demux_data, 0,
 189                 i_data_len );
 190     }
 191
 192     return p_input->stream.pp_programs[i_pgrm_index];
 193 }
 194
 195 /*****************************************************************************
 196  * input_DelProgram: destroy a program descriptor
 197  *****************************************************************************
 198  * All ES descriptions referenced in the descriptor will be deleted.
 199  *****************************************************************************/
 200 void input_DelProgram( input_thread_t * p_input, pgrm_descriptor_t * p_pgrm )
 201 {
 202     int i_pgrm_index;
 203
 204     ASSERT( p_pgrm );
 205
 206     intf_DbgMsg("Deleting description for pgrm %d", p_pgrm->i_number);
 207
 208     /* Free the structures that describe the es that belongs to that program */
 209     while( p_pgrm->i_es_number )
 210     {
 211         input_DelES( p_input, p_pgrm->pp_es[0] );
 212     }
 213
 214     /* Free the demux data */
 215     if( p_pgrm->p_demux_data != NULL )
 216     {
 217         free( p_pgrm->p_demux_data );
 218     }
 219
 220     /* Find the program in the programs table */
 221     for( i_pgrm_index = 0; i_pgrm_index < p_input->stream.i_pgrm_number;
 222          i_pgrm_index++ )
 223     {
 224         if( p_input->stream.pp_programs[i_pgrm_index] == p_pgrm )
 225             break;
 226     }
 227
 228     /* Remove this program from the stream's list of programs */
 229     p_input->stream.i_pgrm_number--;
 230
 231     p_input->stream.pp_programs[i_pgrm_index] =
 232         p_input->stream.pp_programs[p_input->stream.i_pgrm_number];
 233     p_input->stream.pp_programs = realloc( p_input->stream.pp_programs,
 234                                            p_input->stream.i_pgrm_number
 235                                             * sizeof(pgrm_descriptor_t *) );
 236
 237     if( p_input->stream.i_pgrm_number && p_input->stream.pp_programs == NULL)
 238     {
 239         intf_ErrMsg( "input error: unable to realloc program list"
 240                      " in input_DelProgram" );
 241     }
 242
 243     /* Free the description of this program */
 244     free( p_pgrm );
 245 }
 246
 247 /*****************************************************************************
 248  * input_AddArea: add and init an area descriptor
 249  *****************************************************************************
 250  * This area descriptor will be referenced in the given stream descriptor
 251  *****************************************************************************/
 252 input_area_t * input_AddArea( input_thread_t * p_input )
 253 {
 254     /* Where to add the pgrm */
 255     int i_area_index = p_input->stream.i_area_nb;
 256
 257     intf_DbgMsg("Adding description for area %d", i_area_index );
 258
 259     /* Add an entry to the list of program associated with the stream */
 260     p_input->stream.i_area_nb++;
 261     p_input->stream.pp_areas = realloc( p_input->stream.pp_areas,
 262                                         p_input->stream.i_area_nb
 263                                             * sizeof(input_area_t *) );
 264     if( p_input->stream.pp_areas == NULL )
 265     {
 266         intf_ErrMsg( "Unable to realloc memory in input_AddArea" );
 267         return( NULL );
 268     }
 269
 270     /* Allocate the structure to store this description */
 271     p_input->stream.pp_areas[i_area_index] =
 272                                         malloc( sizeof(input_area_t) );
 273     if( p_input->stream.pp_areas[i_area_index] == NULL )
 274     {
 275         intf_ErrMsg( "Unable to allocate memory in input_AddArea" );
 276         return( NULL );
 277     }
 278
 279     /* Init this entry */
 280     p_input->stream.pp_areas[i_area_index]->i_id = 0;
 281     p_input->stream.pp_areas[i_area_index]->i_start = 0;
 282     p_input->stream.pp_areas[i_area_index]->i_size = 0;
 283     p_input->stream.pp_areas[i_area_index]->i_tell = 0;
 284     p_input->stream.pp_areas[i_area_index]->i_seek = NO_SEEK;
 285     p_input->stream.pp_areas[i_area_index]->i_part_nb = 1;
 286     p_input->stream.pp_areas[i_area_index]->i_part= 0;
 287     p_input->stream.pp_areas[i_area_index]->i_angle_nb = 1;
 288     p_input->stream.pp_areas[i_area_index]->i_angle = 0;
 289
 290     return p_input->stream.pp_areas[i_area_index];
 291 }
 292
 293 /*****************************************************************************
 294  * input_DelArea: destroy a area descriptor
 295  *****************************************************************************
 296  * All ES descriptions referenced in the descriptor will be deleted.
 297  *****************************************************************************/
 298 void input_DelArea( input_thread_t * p_input, input_area_t * p_area )
 299 {
 300     int i_area_index;
 301
 302     ASSERT( p_area );
 303
 304     intf_DbgMsg("Deleting description for area %d", p_area->i_id );
 305
 306     /* Find the area in the areas table */
 307     for( i_area_index = 0; i_area_index < p_input->stream.i_area_nb;
 308          i_area_index++ )
 309     {
 310         if( p_input->stream.pp_areas[i_area_index] == p_area )
 311             break;
 312     }
 313
 314     /* Remove this area from the stream's list of areas */
 315     p_input->stream.i_area_nb--;
 316
 317     p_input->stream.pp_areas[i_area_index] =
 318         p_input->stream.pp_areas[p_input->stream.i_area_nb];
 319     p_input->stream.pp_areas = realloc( p_input->stream.pp_areas,
 320                                            p_input->stream.i_area_nb
 321                                             * sizeof(input_area_t *) );
 322
 323     if( p_input->stream.i_area_nb && p_input->stream.pp_areas == NULL)
 324     {
 325         intf_ErrMsg( "input error: unable to realloc area list"
 326                      " in input_DelArea" );
 327     }
 328
 329     /* Free the description of this area */
 330     free( p_area );
 331 }
 332
 333
 334 /*****************************************************************************
 335  * input_FindES: returns a pointer to an ES described by its ID
 336  *****************************************************************************/
 337 es_descriptor_t * input_FindES( input_thread_t * p_input, u16 i_es_id )
 338 {
 339     int     i;
 340
 341     for( i = 0; i < p_input->stream.i_es_number; i++ )
 342     {
 343         if( p_input->stream.pp_es[i]->i_id == i_es_id )
 344         {
 345             return p_input->stream.pp_es[i];
 346         }
 347     }
 348
 349     return( NULL );
 350 }
 351
 352 /*****************************************************************************
 353  * input_AddES:
 354  *****************************************************************************
 355  * Reserve a slot in the table of ES descriptors for the ES and add it to the
 356  * list of ES of p_pgrm. If p_pgrm if NULL, then the ES is considered as stand
 357  * alone (PSI ?)
 358  *****************************************************************************/
 359 es_descriptor_t * input_AddES( input_thread_t * p_input,
 360                                pgrm_descriptor_t * p_pgrm, u16 i_es_id,
 361                                size_t i_data_len )
 362 {
 363     es_descriptor_t * p_es;
 364
 365     intf_DbgMsg("Adding description for ES 0x%x", i_es_id);
 366
 367     p_es = (es_descriptor_t *)malloc( sizeof(es_descriptor_t) );
 368     if( p_es == NULL )
 369     {
 370         intf_ErrMsg( "Unable to allocate memory in input_AddES" );
 371         return( NULL);
 372     }
 373     p_input->stream.i_es_number++;
 374     p_input->stream.pp_es = realloc( p_input->stream.pp_es,
 375                                      p_input->stream.i_es_number
 376                                       * sizeof(es_descriptor_t *) );
 377     if( p_input->stream.pp_es == NULL )
 378     {
 379         intf_ErrMsg( "Unable to realloc memory in input_AddES" );
 380         return( NULL );
 381     }
 382     p_input->stream.pp_es[p_input->stream.i_es_number - 1] = p_es;
 383
 384     /* Init its values */
 385     p_es->i_id = i_es_id;
 386     p_es->psz_desc[0] = '\0';
 387     p_es->p_pes = NULL;
 388     p_es->p_decoder_fifo = NULL;
 389     p_es->b_audio = 0;
 390     p_es->i_cat = UNKNOWN_ES;
 391
 392     if( i_data_len )
 393     {
 394         p_es->p_demux_data = malloc( i_data_len );
 395         if( p_es->p_demux_data == NULL )
 396         {
 397             intf_ErrMsg( "Unable to allocate memory in input_AddES" );
 398             return( NULL );
 399         }
 400         memset( p_es->p_demux_data, 0, i_data_len );
 401     }
 402     else
 403     {
 404         p_es->p_demux_data = NULL;
 405     }
 406
 407     /* Add this ES to the program definition if one is given */
 408     if( p_pgrm )
 409     {
 410         p_pgrm->i_es_number++;
 411         p_pgrm->pp_es = realloc( p_pgrm->pp_es,
 412                                  p_pgrm->i_es_number
 413                                   * sizeof(es_descriptor_t *) );
 414         if( p_pgrm->pp_es == NULL )
 415         {
 416             intf_ErrMsg( "Unable to realloc memory in input_AddES" );
 417             return( NULL );
 418         }
 419         p_pgrm->pp_es[p_pgrm->i_es_number - 1] = p_es;
 420         p_es->p_pgrm = p_pgrm;
 421     }
 422     else
 423     {
 424         p_es->p_pgrm = NULL;
 425     }
 426
 427     return p_es;
 428 }
 429
 430 /*****************************************************************************
 431  * input_DelES:
 432  *****************************************************************************/
 433 void input_DelES( input_thread_t * p_input, es_descriptor_t * p_es )
 434 {
 435     int                     i_index, i_es_index;
 436     pgrm_descriptor_t *     p_pgrm;
 437
 438     ASSERT( p_es );
 439     p_pgrm = p_es->p_pgrm;
 440
 441     /* Kill associated decoder, if any. */
 442     if( p_es->p_decoder_fifo != NULL )
 443     {
 444         input_EndDecoder( p_input, p_es );
 445     }
 446
 447     /* Remove this ES from the description of the program if it is associated to
 448      * one */
 449     if( p_pgrm )
 450     {
 451         for( i_index = 0; i_index < p_pgrm->i_es_number; i_index++ )
 452         {
 453             if( p_pgrm->pp_es[i_index] == p_es )
 454             {
 455                 p_pgrm->i_es_number--;
 456                 p_pgrm->pp_es[i_index] = p_pgrm->pp_es[p_pgrm->i_es_number];
 457                 p_pgrm->pp_es = realloc( p_pgrm->pp_es,
 458                                          p_pgrm->i_es_number
 459                                           * sizeof(es_descriptor_t *));
 460                 if( p_pgrm->i_es_number && p_pgrm->pp_es == NULL )
 461                 {
 462                     intf_ErrMsg( "Unable to realloc memory in input_DelES" );
 463                 }
 464                 break;
 465             }
 466         }
 467     }
 468
 469     /* Free the demux data */
 470     if( p_es->p_demux_data != NULL )
 471     {
 472         free( p_es->p_demux_data );
 473     }
 474
 475     /* Find the ES in the ES table */
 476     for( i_es_index = 0; i_es_index < p_input->stream.i_es_number;
 477          i_es_index++ )
 478     {
 479         if( p_input->stream.pp_es[i_es_index] == p_es )
 480             break;
 481     }
 482
 483     /* Free the ES */
 484     free( p_es );
 485     p_input->stream.i_es_number--;
 486     p_input->stream.pp_es[i_es_index] =
 487                     p_input->stream.pp_es[p_input->stream.i_es_number];
 488     p_input->stream.pp_es = realloc( p_input->stream.pp_es,
 489                                      p_input->stream.i_es_number
 490                                       * sizeof(es_descriptor_t *));
 491     if( p_input->stream.i_es_number && p_input->stream.pp_es == NULL )
 492     {
 493         intf_ErrMsg( "Unable to realloc memory in input_DelES" );
 494     }
 495
 496 }
 497
 498 /*****************************************************************************
 499  * InitDecConfig: initializes a decoder_config_t
 500  *****************************************************************************/
 501 static int InitDecConfig( input_thread_t * p_input, es_descriptor_t * p_es,
 502                           decoder_config_t * p_config )
 503 {
 504     p_config->i_id = p_es->i_id;
 505     p_config->i_type = p_es->i_type;
 506     p_config->p_stream_ctrl =
 507         &p_input->stream.control;
 508
 509     /* Decoder FIFO */
 510     if( (p_config->p_decoder_fifo =
 511             (decoder_fifo_t *)malloc( sizeof(decoder_fifo_t) )) == NULL )
 512     {
 513         intf_ErrMsg( "Out of memory" );
 514         return( -1 );
 515     }
 516
 517     vlc_mutex_init(&p_config->p_decoder_fifo->data_lock);
 518     vlc_cond_init(&p_config->p_decoder_fifo->data_wait);
 519     p_config->p_decoder_fifo->i_start = p_config->p_decoder_fifo->i_end = 0;
 520     p_config->p_decoder_fifo->b_die = p_config->p_decoder_fifo->b_error = 0;
 521     p_config->p_decoder_fifo->p_packets_mgt = p_input->p_method_data;
 522     p_config->p_decoder_fifo->pf_delete_pes = p_input->pf_delete_pes;
 523     p_es->p_decoder_fifo = p_config->p_decoder_fifo;
 524
 525     p_config->pf_init_bit_stream = InitBitstream;
 526
 527     p_input->stream.i_selected_es_number++;
 528
 529     p_input->stream.pp_selected_es = realloc(
 530                                        p_input->stream.pp_selected_es,
 531                                        p_input->stream.i_selected_es_number
 532                                         * sizeof(es_descriptor_t *) );
 533     if( p_input->stream.pp_selected_es == NULL )
 534     {
 535         intf_ErrMsg( "Unable to realloc memory in input_SelectES" );
 536         return(-1);
 537     }
 538     p_input->stream.pp_selected_es[p_input->stream.i_selected_es_number - 1]
 539             = p_es;
 540
 541     return( 0 );
 542 }
 543
 544 /*****************************************************************************
 545  * GetVdecConfig: returns a valid vdec_config_t
 546  *****************************************************************************/
 547 static vdec_config_t * GetVdecConfig( input_thread_t * p_input,
 548                                       es_descriptor_t * p_es )
 549 {
 550     vdec_config_t *     p_config;
 551
 552     p_config = (vdec_config_t *)malloc( sizeof(vdec_config_t) );
 553     if( p_config == NULL )
 554     {
 555         intf_ErrMsg( "Unable to allocate memory in GetVdecConfig" );
 556         return( NULL );
 557     }
 558     p_config->p_vout = p_input->p_default_vout;
 559     if( InitDecConfig( p_input, p_es, &p_config->decoder_config ) == -1 )
 560     {
 561         free( p_config );
 562         return( NULL );
 563     }
 564
 565     return( p_config );
 566 }
 567
 568 /*****************************************************************************
 569  * GetAdecConfig: returns a valid adec_config_t
 570  *****************************************************************************/
 571 static adec_config_t * GetAdecConfig( input_thread_t * p_input,
 572                                       es_descriptor_t * p_es )
 573 {
 574     adec_config_t *     p_config;
 575
 576     p_config = (adec_config_t *)malloc( sizeof(adec_config_t));
 577     if( p_config == NULL )
 578     {
 579         intf_ErrMsg( "Unable to allocate memory in GetAdecConfig" );
 580         return( NULL );
 581     }
 582     p_config->p_aout = p_input->p_default_aout;
 583     if( InitDecConfig( p_input, p_es, &p_config->decoder_config ) == -1 )
 584     {
 585         free( p_config );
 586         return( NULL );
 587     }
 588
 589     return( p_config );
 590 }
 591
 592 /*****************************************************************************
 593  * input_SelectES: selects an ES and spawns the associated decoder
 594  *****************************************************************************
 595  * Remember we are still supposed to have stream_lock when entering this
 596  * function ?
 597  *****************************************************************************/
 598 /* FIXME */
 599 vlc_thread_t adec_CreateThread( void * );
 600 vlc_thread_t ac3dec_CreateThread( void * );
 601 vlc_thread_t vpar_CreateThread( void * );
 602 vlc_thread_t spudec_CreateThread( void * );
 603
 604 int input_SelectES( input_thread_t * p_input, es_descriptor_t * p_es )
 605 {
 606     /* FIXME ! */
 607     decoder_capabilities_t  decoder;
 608     void *                  p_config;
 609
 610     if( p_es == NULL )
 611     {
 612         intf_ErrMsg( "Nothing to do in input_SelectES" );
 613         return -1;
 614     }
 615
 616 #ifdef DEBUG_INPUT
 617     intf_DbgMsg( "Selecting ES 0x%x", p_es->i_id );
 618 #endif
 619
 620     if( p_es->p_decoder_fifo != NULL )
 621     {
 622         intf_ErrMsg( "ES 0x%x is already selected", p_es->i_id );
 623         return( -1 );
 624     }
 625
 626     switch( p_es->i_type )
 627     {
 628     case MPEG1_AUDIO_ES:
 629     case MPEG2_AUDIO_ES:
 630         if( p_main->b_audio )
 631         {
 632             decoder.pf_create_thread = adec_CreateThread;
 633             p_config = (void *)GetAdecConfig( p_input, p_es );
 634
 635             /* Release the lock, not to block the input thread during
 636              * the creation of the thread. */
 637             vlc_mutex_unlock( &p_input->stream.stream_lock );
 638             p_es->thread_id = input_RunDecoder( &decoder, p_config );
 639             vlc_mutex_lock( &p_input->stream.stream_lock );
 640         }
 641         break;
 642
 643     case MPEG1_VIDEO_ES:
 644     case MPEG2_VIDEO_ES:
 645         if( p_main->b_video )
 646         {
 647             decoder.pf_create_thread = vpar_CreateThread;
 648             p_config = (void *)GetVdecConfig( p_input, p_es );
 649
 650             /* Release the lock, not to block the input thread during
 651              * the creation of the thread. */
 652             vlc_mutex_unlock( &p_input->stream.stream_lock );
 653             p_es->thread_id = input_RunDecoder( &decoder, p_config );
 654             vlc_mutex_lock( &p_input->stream.stream_lock );
 655         }
 656         break;
 657
 658     case AC3_AUDIO_ES:
 659         if( p_main->b_audio )
 660         {
 661             decoder.pf_create_thread = ac3dec_CreateThread;
 662             p_config = (void *)GetAdecConfig( p_input, p_es );
 663
 664             /* Release the lock, not to block the input thread during
 665              * the creation of the thread. */
 666             vlc_mutex_unlock( &p_input->stream.stream_lock );
 667             p_es->thread_id = input_RunDecoder( &decoder, p_config );
 668             vlc_mutex_lock( &p_input->stream.stream_lock );
 669         }
 670         break;
 671
 672     case DVD_SPU_ES:
 673         if( p_main->b_video )
 674         {
 675             decoder.pf_create_thread = spudec_CreateThread;
 676             p_config = (void *)GetVdecConfig( p_input, p_es );
 677
 678             /* Release the lock, not to block the input thread during
 679              * the creation of the thread. */
 680             vlc_mutex_unlock( &p_input->stream.stream_lock );
 681             p_es->thread_id = input_RunDecoder( &decoder, p_config );
 682             vlc_mutex_lock( &p_input->stream.stream_lock );
 683         }
 684         break;
 685
 686     default:
 687         intf_ErrMsg( "Unknown stream type 0x%x", p_es->i_type );
 688         return( -1 );
 689         break;
 690     }
 691
 692     if( p_es->thread_id == 0 )
 693     {
 694         return( -1 );
 695     }
 696
 697     return( 0 );
 698 }
 699
 700 /*****************************************************************************
 701  * input_UnselectES: removes an ES from the list of selected ES
 702  *****************************************************************************/
 703 int input_UnselectES( input_thread_t * p_input, es_descriptor_t * p_es )
 704 {
 705
 706     int     i_index = 0;
 707
 708     if( p_es == NULL )
 709     {
 710         intf_ErrMsg( "Nothing to do in input_UnselectES" );
 711         return -1;
 712     }
 713
 714 #ifdef DEBUG_INPUT
 715     intf_DbgMsg( "Unselecting ES 0x%x", p_es->i_id );
 716 #endif
 717
 718     if( p_es->p_decoder_fifo == NULL )
 719     {
 720         intf_ErrMsg( "ES 0x%x is not selected", p_es->i_id );
 721         return( -1 );
 722     }
 723
 724     input_EndDecoder( p_input, p_es );
 725
 726     if( ( p_es->p_decoder_fifo == NULL ) &&
 727         ( p_input->stream.i_selected_es_number > 0 ) )
 728     {
 729         p_input->stream.i_selected_es_number--;
 730
 731         while( ( i_index < p_input->stream.i_selected_es_number ) &&
 732                ( p_input->stream.pp_selected_es[i_index] != p_es ) )
 733         {
 734             i_index++;
 735         }
 736
 737         p_input->stream.pp_selected_es[i_index] =
 738           p_input->stream.pp_selected_es[p_input->stream.i_selected_es_number];
 739
 740         p_input->stream.pp_selected_es = realloc(
 741                                            p_input->stream.pp_selected_es,
 742                                            p_input->stream.i_selected_es_number
 743                                             * sizeof(es_descriptor_t *) );
 744
 745         if( p_input->stream.pp_selected_es == NULL )
 746         {
 747 #ifdef DEBUG_INPUT
 748             intf_DbgMsg( "No more selected ES in input_UnselectES" );
 749 #endif
 750             return( 1 );
 751         }
 752     }
 753
 754     return( 0 );
 755 }