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 1.58 2001/06/12 18:16:49 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 #include <sys/types.h>                                              /* off_t */
  32
  33 #include "config.h"
  34 #include "common.h"
  35 #include "threads.h"
  36 #include "mtime.h"
  37 #include "debug.h"
  38
  39 #include "intf_msg.h"
  40
  41 #include "stream_control.h"
  42 #include "input_ext-intf.h"
  43 #include "input_ext-dec.h"
  44 #include "input.h"
  45
  46 #include "main.h"                                     /* --noaudio --novideo */
  47
  48 /*
  49  * NOTICE : all of these functions expect you to have taken the lock on
  50  * p_input->stream.lock
  51  */
  52
  53 /*****************************************************************************
  54  * input_InitStream: init the stream descriptor of the given input
  55  *****************************************************************************/
  56 int input_InitStream( input_thread_t * p_input, size_t i_data_len )
  57 {
  58
  59     p_input->stream.i_method = INPUT_METHOD_NONE;
  60     p_input->stream.i_stream_id = 0;
  61
  62     /* initialized to 0 since we don't give the signal to the interface
  63      * before the end of input initialization */
  64     p_input->stream.b_changed = 0;
  65     p_input->stream.pp_es = NULL;
  66     p_input->stream.pp_selected_es = NULL;
  67     p_input->stream.p_removed_es = NULL;
  68     p_input->stream.p_newly_selected_es = NULL;
  69     p_input->stream.pp_programs = NULL;
  70
  71     if( i_data_len )
  72     {
  73         if ( (p_input->stream.p_demux_data = malloc( i_data_len )) == NULL )
  74         {
  75             intf_ErrMsg( "Unable to allocate memory in input_InitStream");
  76             return 1;
  77         }
  78         memset( p_input->stream.p_demux_data, 0, i_data_len );
  79     }
  80
  81     return 0;
  82 }
  83
  84 /*****************************************************************************
  85  * input_EndStream: free all stream descriptors
  86  *****************************************************************************/
  87 void input_EndStream( input_thread_t * p_input )
  88 {
  89     /* Free all programs and associated ES, and associated decoders. */
  90     while( p_input->stream.i_pgrm_number )
  91     {
  92         input_DelProgram( p_input, p_input->stream.pp_programs[0] );
  93     }
  94
  95     /* Free standalone ES */
  96     while( p_input->stream.i_es_number )
  97     {
  98         input_DelES( p_input, p_input->stream.pp_es[0] );
  99     }
 100
 101     /* Free all areas */
 102     while( p_input->stream.i_area_nb )
 103     {
 104         input_DelArea( p_input, p_input->stream.pp_areas[0] );
 105     }
 106
 107     if( p_input->stream.p_demux_data != NULL )
 108     {
 109         free( p_input->stream.p_demux_data );
 110     }
 111 }
 112
 113 /*****************************************************************************
 114  * input_FindProgram: returns a pointer to a program described by its ID
 115  *****************************************************************************/
 116 pgrm_descriptor_t * input_FindProgram( input_thread_t * p_input, u16 i_pgrm_id )
 117 {
 118     int     i;
 119
 120     for( i = 0; i < p_input->stream.i_pgrm_number; i++ )
 121     {
 122         if( p_input->stream.pp_programs[i]->i_number == i_pgrm_id )
 123         {
 124             return p_input->stream.pp_programs[i];
 125         }
 126     }
 127
 128     return( NULL );
 129 }
 130
 131 /*****************************************************************************
 132  * input_AddProgram: add and init a program descriptor
 133  *****************************************************************************
 134  * This program descriptor will be referenced in the given stream descriptor
 135  *****************************************************************************/
 136 pgrm_descriptor_t * input_AddProgram( input_thread_t * p_input,
 137                                       u16 i_pgrm_id, size_t i_data_len )
 138 {
 139     /* Where to add the pgrm */
 140     int i_pgrm_index = p_input->stream.i_pgrm_number;
 141
 142     intf_DbgMsg("Adding description for pgrm %d", i_pgrm_id);
 143
 144     /* Add an entry to the list of program associated with the stream */
 145     p_input->stream.i_pgrm_number++;
 146     p_input->stream.pp_programs = realloc( p_input->stream.pp_programs,
 147                                            p_input->stream.i_pgrm_number
 148                                             * sizeof(pgrm_descriptor_t *) );
 149     if( p_input->stream.pp_programs == NULL )
 150     {
 151         intf_ErrMsg( "Unable to realloc memory in input_AddProgram" );
 152         return( NULL );
 153     }
 154
 155     /* Allocate the structure to store this description */
 156     p_input->stream.pp_programs[i_pgrm_index] =
 157                                         malloc( sizeof(pgrm_descriptor_t) );
 158     if( p_input->stream.pp_programs[i_pgrm_index] == NULL )
 159     {
 160         intf_ErrMsg( "Unable to allocate memory in input_AddProgram" );
 161         return( NULL );
 162     }
 163
 164     /* Init this entry */
 165     p_input->stream.pp_programs[i_pgrm_index]->i_number = i_pgrm_id;
 166     p_input->stream.pp_programs[i_pgrm_index]->b_is_ok = 0;
 167     p_input->stream.pp_programs[i_pgrm_index]->i_version = 0;
 168
 169     p_input->stream.pp_programs[i_pgrm_index]->i_es_number = 0;
 170     p_input->stream.pp_programs[i_pgrm_index]->pp_es = NULL;
 171
 172     input_ClockInit( p_input->stream.pp_programs[i_pgrm_index] );
 173
 174     p_input->stream.pp_programs[i_pgrm_index]->i_synchro_state
 175                                                 = SYNCHRO_START;
 176
 177     if( i_data_len )
 178     {
 179         p_input->stream.pp_programs[i_pgrm_index]->p_demux_data =
 180             malloc( i_data_len );
 181         if( p_input->stream.pp_programs[i_pgrm_index]->p_demux_data == NULL )
 182         {
 183             intf_ErrMsg( "Unable to allocate memory in input_AddProgram" );
 184             return( NULL );
 185         }
 186         memset( p_input->stream.pp_programs[i_pgrm_index]->p_demux_data, 0,
 187                 i_data_len );
 188     }
 189
 190     return p_input->stream.pp_programs[i_pgrm_index];
 191 }
 192
 193 /*****************************************************************************
 194  * input_DelProgram: destroy a program descriptor
 195  *****************************************************************************
 196  * All ES descriptions referenced in the descriptor will be deleted.
 197  *****************************************************************************/
 198 void input_DelProgram( input_thread_t * p_input, pgrm_descriptor_t * p_pgrm )
 199 {
 200     int i_pgrm_index;
 201
 202     ASSERT( p_pgrm );
 203
 204     intf_DbgMsg("Deleting description for pgrm %d", p_pgrm->i_number);
 205
 206     /* Free the structures that describe the es that belongs to that program */
 207     while( p_pgrm->i_es_number )
 208     {
 209         input_DelES( p_input, p_pgrm->pp_es[0] );
 210     }
 211
 212     /* Free the demux data */
 213     if( p_pgrm->p_demux_data != NULL )
 214     {
 215         free( p_pgrm->p_demux_data );
 216     }
 217
 218     /* Find the program in the programs table */
 219     for( i_pgrm_index = 0; i_pgrm_index < p_input->stream.i_pgrm_number;
 220          i_pgrm_index++ )
 221     {
 222         if( p_input->stream.pp_programs[i_pgrm_index] == p_pgrm )
 223             break;
 224     }
 225
 226     /* Remove this program from the stream's list of programs */
 227     p_input->stream.i_pgrm_number--;
 228
 229     p_input->stream.pp_programs[i_pgrm_index] =
 230         p_input->stream.pp_programs[p_input->stream.i_pgrm_number];
 231     p_input->stream.pp_programs = realloc( p_input->stream.pp_programs,
 232                                            p_input->stream.i_pgrm_number
 233                                             * sizeof(pgrm_descriptor_t *) );
 234
 235     if( p_input->stream.i_pgrm_number && p_input->stream.pp_programs == NULL)
 236     {
 237         intf_ErrMsg( "input error: unable to realloc program list"
 238                      " in input_DelProgram" );
 239     }
 240
 241     /* Free the description of this program */
 242     free( p_pgrm );
 243 }
 244
 245 /*****************************************************************************
 246  * input_AddArea: add and init an area descriptor
 247  *****************************************************************************
 248  * This area descriptor will be referenced in the given stream descriptor
 249  *****************************************************************************/
 250 input_area_t * input_AddArea( input_thread_t * p_input )
 251 {
 252     /* Where to add the pgrm */
 253     int i_area_index = p_input->stream.i_area_nb;
 254
 255     intf_DbgMsg("Adding description for area %d", i_area_index );
 256
 257     /* Add an entry to the list of program associated with the stream */
 258     p_input->stream.i_area_nb++;
 259     p_input->stream.pp_areas = realloc( p_input->stream.pp_areas,
 260                                         p_input->stream.i_area_nb
 261                                             * sizeof(input_area_t *) );
 262     if( p_input->stream.pp_areas == NULL )
 263     {
 264         intf_ErrMsg( "Unable to realloc memory in input_AddArea" );
 265         return( NULL );
 266     }
 267
 268     /* Allocate the structure to store this description */
 269     p_input->stream.pp_areas[i_area_index] =
 270                                         malloc( sizeof(input_area_t) );
 271     if( p_input->stream.pp_areas[i_area_index] == NULL )
 272     {
 273         intf_ErrMsg( "Unable to allocate memory in input_AddArea" );
 274         return( NULL );
 275     }
 276
 277     /* Init this entry */
 278     p_input->stream.pp_areas[i_area_index]->i_id = 0;
 279     p_input->stream.pp_areas[i_area_index]->i_start = 0;
 280     p_input->stream.pp_areas[i_area_index]->i_size = 0;
 281     p_input->stream.pp_areas[i_area_index]->i_tell = 0;
 282     p_input->stream.pp_areas[i_area_index]->i_seek = NO_SEEK;
 283     p_input->stream.pp_areas[i_area_index]->i_part_nb = 1;
 284     p_input->stream.pp_areas[i_area_index]->i_part= 0;
 285     p_input->stream.pp_areas[i_area_index]->i_angle_nb = 1;
 286     p_input->stream.pp_areas[i_area_index]->i_angle = 0;
 287
 288     return p_input->stream.pp_areas[i_area_index];
 289 }
 290
 291 /*****************************************************************************
 292  * input_DelArea: destroy a area descriptor
 293  *****************************************************************************
 294  * All ES descriptions referenced in the descriptor will be deleted.
 295  *****************************************************************************/
 296 void input_DelArea( input_thread_t * p_input, input_area_t * p_area )
 297 {
 298     int i_area_index;
 299
 300     ASSERT( p_area );
 301
 302     intf_DbgMsg("Deleting description for area %d", p_area->i_id );
 303
 304     /* Find the area in the areas table */
 305     for( i_area_index = 0; i_area_index < p_input->stream.i_area_nb;
 306          i_area_index++ )
 307     {
 308         if( p_input->stream.pp_areas[i_area_index] == p_area )
 309             break;
 310     }
 311
 312     /* Remove this area from the stream's list of areas */
 313     p_input->stream.i_area_nb--;
 314
 315     p_input->stream.pp_areas[i_area_index] =
 316         p_input->stream.pp_areas[p_input->stream.i_area_nb];
 317     p_input->stream.pp_areas = realloc( p_input->stream.pp_areas,
 318                                            p_input->stream.i_area_nb
 319                                             * sizeof(input_area_t *) );
 320
 321     if( p_input->stream.i_area_nb && p_input->stream.pp_areas == NULL)
 322     {
 323         intf_ErrMsg( "input error: unable to realloc area list"
 324                      " in input_DelArea" );
 325     }
 326
 327     /* Free the description of this area */
 328     free( p_area );
 329 }
 330
 331
 332 /*****************************************************************************
 333  * input_FindES: returns a pointer to an ES described by its ID
 334  *****************************************************************************/
 335 es_descriptor_t * input_FindES( input_thread_t * p_input, u16 i_es_id )
 336 {
 337     int     i;
 338
 339     for( i = 0; i < p_input->stream.i_es_number; i++ )
 340     {
 341         if( p_input->stream.pp_es[i]->i_id == i_es_id )
 342         {
 343             return p_input->stream.pp_es[i];
 344         }
 345     }
 346
 347     return( NULL );
 348 }
 349
 350 /*****************************************************************************
 351  * input_AddES:
 352  *****************************************************************************
 353  * Reserve a slot in the table of ES descriptors for the ES and add it to the
 354  * list of ES of p_pgrm. If p_pgrm if NULL, then the ES is considered as stand
 355  * alone (PSI ?)
 356  *****************************************************************************/
 357 es_descriptor_t * input_AddES( input_thread_t * p_input,
 358                                pgrm_descriptor_t * p_pgrm, u16 i_es_id,
 359                                size_t i_data_len )
 360 {
 361     es_descriptor_t * p_es;
 362
 363     intf_DbgMsg("Adding description for ES 0x%x", i_es_id);
 364
 365     p_es = (es_descriptor_t *)malloc( sizeof(es_descriptor_t) );
 366     if( p_es == NULL )
 367     {
 368         intf_ErrMsg( "Unable to allocate memory in input_AddES" );
 369         return( NULL);
 370     }
 371     p_input->stream.i_es_number++;
 372     p_input->stream.pp_es = realloc( p_input->stream.pp_es,
 373                                      p_input->stream.i_es_number
 374                                       * sizeof(es_descriptor_t *) );
 375     if( p_input->stream.pp_es == NULL )
 376     {
 377         intf_ErrMsg( "Unable to realloc memory in input_AddES" );
 378         return( NULL );
 379     }
 380     p_input->stream.pp_es[p_input->stream.i_es_number - 1] = p_es;
 381
 382     /* Init its values */
 383     p_es->i_id = i_es_id;
 384     p_es->psz_desc[0] = '\0';
 385     p_es->p_pes = NULL;
 386     p_es->p_decoder_fifo = NULL;
 387     p_es->b_audio = 0;
 388     p_es->i_cat = UNKNOWN_ES;
 389
 390     if( i_data_len )
 391     {
 392         p_es->p_demux_data = malloc( i_data_len );
 393         if( p_es->p_demux_data == NULL )
 394         {
 395             intf_ErrMsg( "Unable to allocate memory in input_AddES" );
 396             return( NULL );
 397         }
 398         memset( p_es->p_demux_data, 0, i_data_len );
 399     }
 400     else
 401     {
 402         p_es->p_demux_data = NULL;
 403     }
 404
 405     /* Add this ES to the program definition if one is given */
 406     if( p_pgrm )
 407     {
 408         p_pgrm->i_es_number++;
 409         p_pgrm->pp_es = realloc( p_pgrm->pp_es,
 410                                  p_pgrm->i_es_number
 411                                   * sizeof(es_descriptor_t *) );
 412         if( p_pgrm->pp_es == NULL )
 413         {
 414             intf_ErrMsg( "Unable to realloc memory in input_AddES" );
 415             return( NULL );
 416         }
 417         p_pgrm->pp_es[p_pgrm->i_es_number - 1] = p_es;
 418         p_es->p_pgrm = p_pgrm;
 419     }
 420     else
 421     {
 422         p_es->p_pgrm = NULL;
 423     }
 424
 425     return p_es;
 426 }
 427
 428 /*****************************************************************************
 429  * input_DelES:
 430  *****************************************************************************/
 431 void input_DelES( input_thread_t * p_input, es_descriptor_t * p_es )
 432 {
 433     int                     i_index, i_es_index;
 434     pgrm_descriptor_t *     p_pgrm;
 435
 436     ASSERT( p_es );
 437     p_pgrm = p_es->p_pgrm;
 438
 439     /* Kill associated decoder, if any. */
 440     if( p_es->p_decoder_fifo != NULL )
 441     {
 442         input_EndDecoder( p_input, p_es );
 443     }
 444
 445     /* Remove this ES from the description of the program if it is associated to
 446      * one */
 447     if( p_pgrm )
 448     {
 449         for( i_index = 0; i_index < p_pgrm->i_es_number; i_index++ )
 450         {
 451             if( p_pgrm->pp_es[i_index] == p_es )
 452             {
 453                 p_pgrm->i_es_number--;
 454                 p_pgrm->pp_es[i_index] = p_pgrm->pp_es[p_pgrm->i_es_number];
 455                 p_pgrm->pp_es = realloc( p_pgrm->pp_es,
 456                                          p_pgrm->i_es_number
 457                                           * sizeof(es_descriptor_t *));
 458                 if( p_pgrm->i_es_number && p_pgrm->pp_es == NULL )
 459                 {
 460                     intf_ErrMsg( "Unable to realloc memory in input_DelES" );
 461                 }
 462                 break;
 463             }
 464         }
 465     }
 466
 467     /* Free the demux data */
 468     if( p_es->p_demux_data != NULL )
 469     {
 470         free( p_es->p_demux_data );
 471     }
 472
 473     /* Find the ES in the ES table */
 474     for( i_es_index = 0; i_es_index < p_input->stream.i_es_number;
 475          i_es_index++ )
 476     {
 477         if( p_input->stream.pp_es[i_es_index] == p_es )
 478             break;
 479     }
 480
 481     /* Free the ES */
 482     free( p_es );
 483     p_input->stream.i_es_number--;
 484     p_input->stream.pp_es[i_es_index] =
 485                     p_input->stream.pp_es[p_input->stream.i_es_number];
 486     p_input->stream.pp_es = realloc( p_input->stream.pp_es,
 487                                      p_input->stream.i_es_number
 488                                       * sizeof(es_descriptor_t *));
 489     if( p_input->stream.i_es_number && p_input->stream.pp_es == NULL )
 490     {
 491         intf_ErrMsg( "Unable to realloc memory in input_DelES" );
 492     }
 493
 494 }
 495
 496 /*****************************************************************************
 497  * InitDecConfig: initializes a decoder_config_t
 498  *****************************************************************************/
 499 static int InitDecConfig( input_thread_t * p_input, es_descriptor_t * p_es,
 500                           decoder_config_t * p_config )
 501 {
 502     p_config->i_id = p_es->i_id;
 503     p_config->i_type = p_es->i_type;
 504     p_config->p_stream_ctrl =
 505         &p_input->stream.control;
 506
 507     /* Decoder FIFO */
 508     if( (p_config->p_decoder_fifo =
 509             (decoder_fifo_t *)malloc( sizeof(decoder_fifo_t) )) == NULL )
 510     {
 511         intf_ErrMsg( "Out of memory" );
 512         return( -1 );
 513     }
 514
 515     vlc_mutex_init(&p_config->p_decoder_fifo->data_lock);
 516     vlc_cond_init(&p_config->p_decoder_fifo->data_wait);
 517     p_config->p_decoder_fifo->i_start = p_config->p_decoder_fifo->i_end = 0;
 518     p_config->p_decoder_fifo->b_die = p_config->p_decoder_fifo->b_error = 0;
 519     p_config->p_decoder_fifo->p_packets_mgt = p_input->p_method_data;
 520     p_config->p_decoder_fifo->pf_delete_pes = p_input->pf_delete_pes;
 521     p_es->p_decoder_fifo = p_config->p_decoder_fifo;
 522
 523     p_config->pf_init_bit_stream = InitBitstream;
 524
 525     p_input->stream.i_selected_es_number++;
 526
 527     p_input->stream.pp_selected_es = realloc(
 528                                        p_input->stream.pp_selected_es,
 529                                        p_input->stream.i_selected_es_number
 530                                         * sizeof(es_descriptor_t *) );
 531     if( p_input->stream.pp_selected_es == NULL )
 532     {
 533         intf_ErrMsg( "Unable to realloc memory in input_SelectES" );
 534         return(-1);
 535     }
 536     p_input->stream.pp_selected_es[p_input->stream.i_selected_es_number - 1]
 537             = p_es;
 538
 539     return( 0 );
 540 }
 541
 542 /*****************************************************************************
 543  * GetVdecConfig: returns a valid vdec_config_t
 544  *****************************************************************************/
 545 static vdec_config_t * GetVdecConfig( input_thread_t * p_input,
 546                                       es_descriptor_t * p_es )
 547 {
 548     vdec_config_t *     p_config;
 549
 550     p_config = (vdec_config_t *)malloc( sizeof(vdec_config_t) );
 551     if( p_config == NULL )
 552     {
 553         intf_ErrMsg( "Unable to allocate memory in GetVdecConfig" );
 554         return( NULL );
 555     }
 556     if( InitDecConfig( p_input, p_es, &p_config->decoder_config ) == -1 )
 557     {
 558         free( p_config );
 559         return( NULL );
 560     }
 561
 562     return( p_config );
 563 }
 564
 565 /*****************************************************************************
 566  * GetAdecConfig: returns a valid adec_config_t
 567  *****************************************************************************/
 568 static adec_config_t * GetAdecConfig( input_thread_t * p_input,
 569                                       es_descriptor_t * p_es )
 570 {
 571     adec_config_t *     p_config;
 572
 573     p_config = (adec_config_t *)malloc( sizeof(adec_config_t));
 574     if( p_config == NULL )
 575     {
 576         intf_ErrMsg( "Unable to allocate memory in GetAdecConfig" );
 577         return( NULL );
 578     }
 579
 580     if( InitDecConfig( p_input, p_es, &p_config->decoder_config ) == -1 )
 581     {
 582         free( p_config );
 583         return( NULL );
 584     }
 585
 586     return( p_config );
 587 }
 588
 589 /*****************************************************************************
 590  * input_SelectES: selects an ES and spawns the associated decoder
 591  *****************************************************************************
 592  * Remember we are still supposed to have stream_lock when entering this
 593  * function ?
 594  *****************************************************************************/
 595 /* FIXME */
 596 vlc_thread_t adec_CreateThread( void * );
 597 vlc_thread_t ac3dec_CreateThread( void * );
 598 vlc_thread_t ac3spdif_CreateThread( void * );
 599 vlc_thread_t spdif_CreateThread( void * );
 600 vlc_thread_t vpar_CreateThread( void * );
 601 vlc_thread_t spudec_CreateThread( void * );
 602 vlc_thread_t lpcmdec_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 TRACE_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             p_main->b_ac3 = 0;
 635
 636             /* Release the lock, not to block the input thread during
 637              * the creation of the thread. */
 638             vlc_mutex_unlock( &p_input->stream.stream_lock );
 639             p_es->thread_id = input_RunDecoder( &decoder, p_config );
 640             vlc_mutex_lock( &p_input->stream.stream_lock );
 641         }
 642         break;
 643
 644     case MPEG1_VIDEO_ES:
 645     case MPEG2_VIDEO_ES:
 646         if( p_main->b_video )
 647         {
 648             decoder.pf_create_thread = vpar_CreateThread;
 649             p_config = (void *)GetVdecConfig( p_input, p_es );
 650
 651             /* Release the lock, not to block the input thread during
 652              * the creation of the thread. */
 653             vlc_mutex_unlock( &p_input->stream.stream_lock );
 654             p_es->thread_id = input_RunDecoder( &decoder, p_config );
 655             vlc_mutex_lock( &p_input->stream.stream_lock );
 656         }
 657         break;
 658
 659     case AC3_AUDIO_ES:
 660         if( p_main->b_audio )
 661         {
 662             if( main_GetIntVariable( AOUT_SPDIF_VAR, 0 ) )
 663             {
 664                 decoder.pf_create_thread = spdif_CreateThread;
 665             }
 666             else
 667             {
 668                 decoder.pf_create_thread = ac3dec_CreateThread;
 669             }
 670
 671             p_config = (void *)GetAdecConfig( p_input, p_es );
 672             p_main->b_ac3 = 1;
 673
 674             /* Release the lock, not to block the input thread during
 675              * the creation of the thread. */
 676             vlc_mutex_unlock( &p_input->stream.stream_lock );
 677             p_es->thread_id = input_RunDecoder( &decoder, p_config );
 678             vlc_mutex_lock( &p_input->stream.stream_lock );
 679         }
 680         break;
 681     case LPCM_AUDIO_ES:
 682         if( p_main->b_audio )
 683         {
 684             decoder.pf_create_thread = lpcmdec_CreateThread;
 685             p_config = (void *)GetAdecConfig( p_input, p_es );
 686             p_main->b_ac3 = 0;
 687
 688             /* Release the lock, not to block the input thread during
 689              * the creation of the thread. */
 690             vlc_mutex_unlock( &p_input->stream.stream_lock );
 691             p_es->thread_id = input_RunDecoder( &decoder, p_config );
 692             vlc_mutex_lock( &p_input->stream.stream_lock );
 693         }
 694         break;
 695     case DVD_SPU_ES:
 696         if( p_main->b_video )
 697         {
 698             decoder.pf_create_thread = spudec_CreateThread;
 699             p_config = (void *)GetVdecConfig( p_input, p_es );
 700
 701             /* Release the lock, not to block the input thread during
 702              * the creation of the thread. */
 703             vlc_mutex_unlock( &p_input->stream.stream_lock );
 704             p_es->thread_id = input_RunDecoder( &decoder, p_config );
 705             vlc_mutex_lock( &p_input->stream.stream_lock );
 706         }
 707         break;
 708
 709     default:
 710         intf_ErrMsg( "Unknown stream type 0x%x", p_es->i_type );
 711         return( -1 );
 712         break;
 713     }
 714
 715     if( p_es->thread_id == 0 )
 716     {
 717         return( -1 );
 718     }
 719
 720     return( 0 );
 721 }
 722
 723 /*****************************************************************************
 724  * input_UnselectES: removes an ES from the list of selected ES
 725  *****************************************************************************/
 726 int input_UnselectES( input_thread_t * p_input, es_descriptor_t * p_es )
 727 {
 728
 729     int     i_index = 0;
 730
 731     if( p_es == NULL )
 732     {
 733         intf_ErrMsg( "Nothing to do in input_UnselectES" );
 734         return -1;
 735     }
 736
 737 #ifdef TRACE_INPUT
 738     intf_DbgMsg( "Unselecting ES 0x%x", p_es->i_id );
 739 #endif
 740
 741     if( p_es->p_decoder_fifo == NULL )
 742     {
 743         intf_ErrMsg( "ES 0x%x is not selected", p_es->i_id );
 744         return( -1 );
 745     }
 746
 747     input_EndDecoder( p_input, p_es );
 748
 749     if( ( p_es->p_decoder_fifo == NULL ) &&
 750         ( p_input->stream.i_selected_es_number > 0 ) )
 751     {
 752         p_input->stream.i_selected_es_number--;
 753
 754         while( ( i_index < p_input->stream.i_selected_es_number ) &&
 755                ( p_input->stream.pp_selected_es[i_index] != p_es ) )
 756         {
 757             i_index++;
 758         }
 759
 760         p_input->stream.pp_selected_es[i_index] =
 761           p_input->stream.pp_selected_es[p_input->stream.i_selected_es_number];
 762
 763         p_input->stream.pp_selected_es = realloc(
 764                                            p_input->stream.pp_selected_es,
 765                                            p_input->stream.i_selected_es_number
 766                                             * sizeof(es_descriptor_t *) );
 767
 768         if( p_input->stream.pp_selected_es == NULL )
 769         {
 770 #ifdef TRACE_INPUT
 771             intf_DbgMsg( "No more selected ES in input_UnselectES" );
 772 #endif
 773             return( 1 );
 774         }
 775     }
 776
 777     return( 0 );
 778 }