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 1.49 2001/04/13 05:36:12 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     p_input->stream.b_changed = 1;
  61     p_input->stream.pp_es = NULL;
  62     p_input->stream.pp_selected_es = NULL;
  63     p_input->stream.pp_programs = NULL;
  64
  65     if( i_data_len )
  66     {
  67         if ( (p_input->stream.p_demux_data = malloc( i_data_len )) == NULL )
  68         {
  69             intf_ErrMsg( "Unable to allocate memory in input_InitStream");
  70             return 1;
  71         }
  72         memset( p_input->stream.p_demux_data, 0, i_data_len );
  73     }
  74
  75     return 0;
  76 }
  77
  78 /*****************************************************************************
  79  * input_EndStream: free all stream descriptors
  80  *****************************************************************************/
  81 void input_EndStream( input_thread_t * p_input )
  82 {
  83     /* Free all programs and associated ES, and associated decoders. */
  84     while( p_input->stream.i_pgrm_number )
  85     {
  86         input_DelProgram( p_input, p_input->stream.pp_programs[0] );
  87     }
  88
  89     /* Free standalone ES */
  90     while( p_input->stream.i_es_number )
  91     {
  92         input_DelES( p_input, p_input->stream.pp_es[0] );
  93     }
  94
  95     /* Free all areas */
  96     while( p_input->stream.i_area_nb )
  97     {
  98         input_DelArea( p_input, p_input->stream.pp_areas[0] );
  99     }
 100
 101     if( p_input->stream.p_demux_data != NULL )
 102     {
 103         free( p_input->stream.p_demux_data );
 104     }
 105 }
 106
 107 /*****************************************************************************
 108  * input_FindProgram: returns a pointer to a program described by its ID
 109  *****************************************************************************/
 110 pgrm_descriptor_t * input_FindProgram( input_thread_t * p_input, u16 i_pgrm_id )
 111 {
 112     int     i;
 113
 114     for( i = 0; i < p_input->stream.i_pgrm_number; i++ )
 115     {
 116         if( p_input->stream.pp_programs[i]->i_number == i_pgrm_id )
 117         {
 118             return p_input->stream.pp_programs[i];
 119         }
 120     }
 121
 122     return( NULL );
 123 }
 124
 125 /*****************************************************************************
 126  * input_AddProgram: add and init a program descriptor
 127  *****************************************************************************
 128  * This program descriptor will be referenced in the given stream descriptor
 129  *****************************************************************************/
 130 pgrm_descriptor_t * input_AddProgram( input_thread_t * p_input,
 131                                       u16 i_pgrm_id, size_t i_data_len )
 132 {
 133     /* Where to add the pgrm */
 134     int i_pgrm_index = p_input->stream.i_pgrm_number;
 135
 136     intf_DbgMsg("Adding description for pgrm %d", i_pgrm_id);
 137
 138     /* Add an entry to the list of program associated with the stream */
 139     p_input->stream.i_pgrm_number++;
 140     p_input->stream.pp_programs = realloc( p_input->stream.pp_programs,
 141                                            p_input->stream.i_pgrm_number
 142                                             * sizeof(pgrm_descriptor_t *) );
 143     if( p_input->stream.pp_programs == NULL )
 144     {
 145         intf_ErrMsg( "Unable to realloc memory in input_AddProgram" );
 146         return( NULL );
 147     }
 148
 149     /* Allocate the structure to store this description */
 150     p_input->stream.pp_programs[i_pgrm_index] =
 151                                         malloc( sizeof(pgrm_descriptor_t) );
 152     if( p_input->stream.pp_programs[i_pgrm_index] == NULL )
 153     {
 154         intf_ErrMsg( "Unable to allocate memory in input_AddProgram" );
 155         return( NULL );
 156     }
 157
 158     /* Init this entry */
 159     p_input->stream.pp_programs[i_pgrm_index]->i_number = i_pgrm_id;
 160     p_input->stream.pp_programs[i_pgrm_index]->b_is_ok = 0;
 161     p_input->stream.pp_programs[i_pgrm_index]->i_version = 0;
 162
 163     p_input->stream.pp_programs[i_pgrm_index]->i_es_number = 0;
 164     p_input->stream.pp_programs[i_pgrm_index]->pp_es = NULL;
 165
 166     input_ClockInit( p_input->stream.pp_programs[i_pgrm_index] );
 167
 168     p_input->stream.pp_programs[i_pgrm_index]->i_synchro_state
 169                                                 = SYNCHRO_START;
 170
 171     p_input->stream.pp_programs[i_pgrm_index]->p_vout
 172                                             = p_input->p_default_vout;
 173     p_input->stream.pp_programs[i_pgrm_index]->p_aout
 174                                             = p_input->p_default_aout;
 175
 176     if( i_data_len )
 177     {
 178         p_input->stream.pp_programs[i_pgrm_index]->p_demux_data =
 179             malloc( i_data_len );
 180         if( p_input->stream.pp_programs[i_pgrm_index]->p_demux_data == NULL )
 181         {
 182             intf_ErrMsg( "Unable to allocate memory in input_AddProgram" );
 183             return( NULL );
 184         }
 185         memset( p_input->stream.pp_programs[i_pgrm_index]->p_demux_data, 0,
 186                 i_data_len );
 187     }
 188
 189     return p_input->stream.pp_programs[i_pgrm_index];
 190 }
 191
 192 /*****************************************************************************
 193  * input_DelProgram: destroy a program descriptor
 194  *****************************************************************************
 195  * All ES descriptions referenced in the descriptor will be deleted.
 196  *****************************************************************************/
 197 void input_DelProgram( input_thread_t * p_input, pgrm_descriptor_t * p_pgrm )
 198 {
 199     int i_pgrm_index;
 200
 201     ASSERT( p_pgrm );
 202
 203     intf_DbgMsg("Deleting description for pgrm %d", p_pgrm->i_number);
 204
 205     /* Free the structures that describe the es that belongs to that program */
 206     while( p_pgrm->i_es_number )
 207     {
 208         input_DelES( p_input, p_pgrm->pp_es[0] );
 209     }
 210
 211     /* Free the demux data */
 212     if( p_pgrm->p_demux_data != NULL )
 213     {
 214         free( p_pgrm->p_demux_data );
 215     }
 216
 217     /* Find the program in the programs table */
 218     for( i_pgrm_index = 0; i_pgrm_index < p_input->stream.i_pgrm_number;
 219          i_pgrm_index++ )
 220     {
 221         if( p_input->stream.pp_programs[i_pgrm_index] == p_pgrm )
 222             break;
 223     }
 224
 225     /* Remove this program from the stream's list of programs */
 226     p_input->stream.i_pgrm_number--;
 227
 228     p_input->stream.pp_programs[i_pgrm_index] =
 229         p_input->stream.pp_programs[p_input->stream.i_pgrm_number];
 230     p_input->stream.pp_programs = realloc( p_input->stream.pp_programs,
 231                                            p_input->stream.i_pgrm_number
 232                                             * sizeof(pgrm_descriptor_t *) );
 233
 234     if( p_input->stream.i_pgrm_number && p_input->stream.pp_programs == NULL)
 235     {
 236         intf_ErrMsg( "input error: unable to realloc program list"
 237                      " in input_DelProgram" );
 238     }
 239
 240     /* Free the description of this program */
 241     free( p_pgrm );
 242 }
 243
 244 /*****************************************************************************
 245  * input_AddArea: add and init an area descriptor
 246  *****************************************************************************
 247  * This area descriptor will be referenced in the given stream descriptor
 248  *****************************************************************************/
 249 input_area_t * input_AddArea( input_thread_t * p_input )
 250 {
 251     /* Where to add the pgrm */
 252     int i_area_index = p_input->stream.i_area_nb;
 253
 254     intf_DbgMsg("Adding description for area %d", i_area_index );
 255
 256     /* Add an entry to the list of program associated with the stream */
 257     p_input->stream.i_area_nb++;
 258     p_input->stream.pp_areas = realloc( p_input->stream.pp_areas,
 259                                         p_input->stream.i_area_nb
 260                                             * sizeof(input_area_t *) );
 261     if( p_input->stream.pp_areas == NULL )
 262     {
 263         intf_ErrMsg( "Unable to realloc memory in input_AddArea" );
 264         return( NULL );
 265     }
 266
 267     /* Allocate the structure to store this description */
 268     p_input->stream.pp_areas[i_area_index] =
 269                                         malloc( sizeof(input_area_t) );
 270     if( p_input->stream.pp_areas[i_area_index] == NULL )
 271     {
 272         intf_ErrMsg( "Unable to allocate memory in input_AddArea" );
 273         return( NULL );
 274     }
 275
 276     /* Init this entry */
 277     p_input->stream.pp_areas[i_area_index]->i_id = 0;
 278     p_input->stream.pp_areas[i_area_index]->i_start = 0;
 279     p_input->stream.pp_areas[i_area_index]->i_size = 0;
 280     p_input->stream.pp_areas[i_area_index]->i_tell = 0;
 281     p_input->stream.pp_areas[i_area_index]->i_seek = NO_SEEK;
 282     p_input->stream.pp_areas[i_area_index]->i_part_nb = 1;
 283     p_input->stream.pp_areas[i_area_index]->i_part= 0;
 284
 285     return p_input->stream.pp_areas[i_area_index];
 286 }
 287
 288 /*****************************************************************************
 289  * input_DelArea: destroy a area descriptor
 290  *****************************************************************************
 291  * All ES descriptions referenced in the descriptor will be deleted.
 292  *****************************************************************************/
 293 void input_DelArea( input_thread_t * p_input, input_area_t * p_area )
 294 {
 295     int i_area_index;
 296
 297     ASSERT( p_area );
 298
 299     intf_DbgMsg("Deleting description for area %d", p_area->i_id );
 300
 301     /* Find the area in the areas table */
 302     for( i_area_index = 0; i_area_index < p_input->stream.i_area_nb;
 303          i_area_index++ )
 304     {
 305         if( p_input->stream.pp_areas[i_area_index] == p_area )
 306             break;
 307     }
 308
 309     /* Remove this area from the stream's list of areas */
 310     p_input->stream.i_area_nb--;
 311
 312     p_input->stream.pp_areas[i_area_index] =
 313         p_input->stream.pp_areas[p_input->stream.i_area_nb];
 314     p_input->stream.pp_areas = realloc( p_input->stream.pp_areas,
 315                                            p_input->stream.i_area_nb
 316                                             * sizeof(input_area_t *) );
 317
 318     if( p_input->stream.i_area_nb && p_input->stream.pp_areas == NULL)
 319     {
 320         intf_ErrMsg( "input error: unable to realloc area list"
 321                      " in input_DelArea" );
 322     }
 323
 324     /* Free the description of this area */
 325     free( p_area );
 326 }
 327
 328
 329 /*****************************************************************************
 330  * input_FindES: returns a pointer to an ES described by its ID
 331  *****************************************************************************/
 332 es_descriptor_t * input_FindES( input_thread_t * p_input, u16 i_es_id )
 333 {
 334     int     i;
 335
 336     for( i = 0; i < p_input->stream.i_es_number; i++ )
 337     {
 338         if( p_input->stream.pp_es[i]->i_id == i_es_id )
 339         {
 340             return p_input->stream.pp_es[i];
 341         }
 342     }
 343
 344     return( NULL );
 345 }
 346
 347 /*****************************************************************************
 348  * input_AddES:
 349  *****************************************************************************
 350  * Reserve a slot in the table of ES descriptors for the ES and add it to the
 351  * list of ES of p_pgrm. If p_pgrm if NULL, then the ES is considered as stand
 352  * alone (PSI ?)
 353  *****************************************************************************/
 354 es_descriptor_t * input_AddES( input_thread_t * p_input,
 355                                pgrm_descriptor_t * p_pgrm, u16 i_es_id,
 356                                size_t i_data_len )
 357 {
 358     es_descriptor_t * p_es;
 359
 360     intf_DbgMsg("Adding description for ES 0x%x", i_es_id);
 361
 362     p_es = (es_descriptor_t *)malloc( sizeof(es_descriptor_t) );
 363     if( p_es == NULL )
 364     {
 365         intf_ErrMsg( "Unable to allocate memory in input_AddES" );
 366         return( NULL);
 367     }
 368     p_input->stream.i_es_number++;
 369     p_input->stream.pp_es = realloc( p_input->stream.pp_es,
 370                                      p_input->stream.i_es_number
 371                                       * sizeof(es_descriptor_t *) );
 372     if( p_input->stream.pp_es == NULL )
 373     {
 374         intf_ErrMsg( "Unable to realloc memory in input_AddES" );
 375         return( NULL );
 376     }
 377     p_input->stream.pp_es[p_input->stream.i_es_number - 1] = p_es;
 378
 379     /* Init its values */
 380     p_es->i_id = i_es_id;
 381     p_es->psz_desc[0] = '\0';
 382     p_es->p_pes = NULL;
 383     p_es->p_decoder_fifo = NULL;
 384     p_es->b_audio = 0;
 385     p_es->i_cat = UNKNOWN_ES;
 386
 387     if( i_data_len )
 388     {
 389         p_es->p_demux_data = malloc( i_data_len );
 390         if( p_es->p_demux_data == NULL )
 391         {
 392             intf_ErrMsg( "Unable to allocate memory in input_AddES" );
 393             return( NULL );
 394         }
 395         memset( p_es->p_demux_data, 0, i_data_len );
 396     }
 397     else
 398     {
 399         p_es->p_demux_data = NULL;
 400     }
 401
 402     /* Add this ES to the program definition if one is given */
 403     if( p_pgrm )
 404     {
 405         p_pgrm->i_es_number++;
 406         p_pgrm->pp_es = realloc( p_pgrm->pp_es,
 407                                  p_pgrm->i_es_number
 408                                   * sizeof(es_descriptor_t *) );
 409         if( p_pgrm->pp_es == NULL )
 410         {
 411             intf_ErrMsg( "Unable to realloc memory in input_AddES" );
 412             return( NULL );
 413         }
 414         p_pgrm->pp_es[p_pgrm->i_es_number - 1] = p_es;
 415         p_es->p_pgrm = p_pgrm;
 416     }
 417     else
 418     {
 419         p_es->p_pgrm = NULL;
 420     }
 421
 422     return p_es;
 423 }
 424
 425 /*****************************************************************************
 426  * input_DelES:
 427  *****************************************************************************/
 428 void input_DelES( input_thread_t * p_input, es_descriptor_t * p_es )
 429 {
 430     int                     i_index, i_es_index;
 431     pgrm_descriptor_t *     p_pgrm;
 432
 433     ASSERT( p_es );
 434     p_pgrm = p_es->p_pgrm;
 435
 436     /* Kill associated decoder, if any. */
 437     if( p_es->p_decoder_fifo != NULL )
 438     {
 439         input_EndDecoder( p_input, p_es );
 440     }
 441
 442     /* Remove this ES from the description of the program if it is associated to
 443      * one */
 444     if( p_pgrm )
 445     {
 446         for( i_index = 0; i_index < p_pgrm->i_es_number; i_index++ )
 447         {
 448             if( p_pgrm->pp_es[i_index] == p_es )
 449             {
 450                 p_pgrm->i_es_number--;
 451                 p_pgrm->pp_es[i_index] = p_pgrm->pp_es[p_pgrm->i_es_number];
 452                 p_pgrm->pp_es = realloc( p_pgrm->pp_es,
 453                                          p_pgrm->i_es_number
 454                                           * sizeof(es_descriptor_t *));
 455                 if( p_pgrm->i_es_number && p_pgrm->pp_es == NULL )
 456                 {
 457                     intf_ErrMsg( "Unable to realloc memory in input_DelES" );
 458                 }
 459                 break;
 460             }
 461         }
 462     }
 463
 464     /* Free the demux data */
 465     if( p_es->p_demux_data != NULL )
 466     {
 467         free( p_es->p_demux_data );
 468     }
 469
 470     /* Find the ES in the ES table */
 471     for( i_es_index = 0; i_es_index < p_input->stream.i_es_number;
 472          i_es_index++ )
 473     {
 474         if( p_input->stream.pp_es[i_es_index] == p_es )
 475             break;
 476     }
 477
 478     /* Free the ES */
 479     free( p_es );
 480     p_input->stream.i_es_number--;
 481     p_input->stream.pp_es[i_es_index] =
 482                     p_input->stream.pp_es[p_input->stream.i_es_number];
 483     p_input->stream.pp_es = realloc( p_input->stream.pp_es,
 484                                      p_input->stream.i_es_number
 485                                       * sizeof(es_descriptor_t *));
 486     if( p_input->stream.i_es_number && p_input->stream.pp_es == NULL )
 487     {
 488         intf_ErrMsg( "Unable to realloc memory in input_DelES" );
 489     }
 490
 491 }
 492
 493 /*****************************************************************************
 494  * InitDecConfig: initializes a decoder_config_t
 495  *****************************************************************************/
 496 static int InitDecConfig( input_thread_t * p_input, es_descriptor_t * p_es,
 497                           decoder_config_t * p_config )
 498 {
 499     p_config->i_id = p_es->i_id;
 500     p_config->i_type = p_es->i_type;
 501     p_config->p_stream_ctrl =
 502         &p_input->stream.control;
 503
 504     /* Decoder FIFO */
 505     if( (p_config->p_decoder_fifo =
 506             (decoder_fifo_t *)malloc( sizeof(decoder_fifo_t) )) == NULL )
 507     {
 508         intf_ErrMsg( "Out of memory" );
 509         return( -1 );
 510     }
 511
 512     vlc_mutex_init(&p_config->p_decoder_fifo->data_lock);
 513     vlc_cond_init(&p_config->p_decoder_fifo->data_wait);
 514     p_config->p_decoder_fifo->i_start = p_config->p_decoder_fifo->i_end = 0;
 515     p_config->p_decoder_fifo->b_die = p_config->p_decoder_fifo->b_error = 0;
 516     p_config->p_decoder_fifo->p_packets_mgt = p_input->p_method_data;
 517     p_config->p_decoder_fifo->pf_delete_pes = p_input->pf_delete_pes;
 518     p_es->p_decoder_fifo = p_config->p_decoder_fifo;
 519
 520     p_config->pf_init_bit_stream = InitBitstream;
 521
 522     p_input->stream.i_selected_es_number++;
 523
 524     p_input->stream.pp_selected_es = realloc(
 525                                        p_input->stream.pp_selected_es,
 526                                        p_input->stream.i_selected_es_number
 527                                         * sizeof(es_descriptor_t *) );
 528     if( p_input->stream.pp_selected_es == NULL )
 529     {
 530         intf_ErrMsg( "Unable to realloc memory in input_SelectES" );
 531         return(-1);
 532     }
 533     p_input->stream.pp_selected_es[p_input->stream.i_selected_es_number - 1]
 534             = p_es;
 535
 536     return( 0 );
 537 }
 538
 539 /*****************************************************************************
 540  * GetVdecConfig: returns a valid vdec_config_t
 541  *****************************************************************************/
 542 static vdec_config_t * GetVdecConfig( input_thread_t * p_input,
 543                                       es_descriptor_t * p_es )
 544 {
 545     vdec_config_t *     p_config;
 546
 547     p_config = (vdec_config_t *)malloc( sizeof(vdec_config_t) );
 548     if( p_config == NULL )
 549     {
 550         intf_ErrMsg( "Unable to allocate memory in GetVdecConfig" );
 551         return( NULL );
 552     }
 553     p_config->p_vout = p_input->p_default_vout;
 554     if( InitDecConfig( p_input, p_es, &p_config->decoder_config ) == -1 )
 555     {
 556         free( p_config );
 557         return( NULL );
 558     }
 559
 560     return( p_config );
 561 }
 562
 563 /*****************************************************************************
 564  * GetAdecConfig: returns a valid adec_config_t
 565  *****************************************************************************/
 566 static adec_config_t * GetAdecConfig( input_thread_t * p_input,
 567                                       es_descriptor_t * p_es )
 568 {
 569     adec_config_t *     p_config;
 570
 571     p_config = (adec_config_t *)malloc( sizeof(adec_config_t));
 572     if( p_config == NULL )
 573     {
 574         intf_ErrMsg( "Unable to allocate memory in GetAdecConfig" );
 575         return( NULL );
 576     }
 577     p_config->p_aout = p_input->p_default_aout;
 578     if( InitDecConfig( p_input, p_es, &p_config->decoder_config ) == -1 )
 579     {
 580         free( p_config );
 581         return( NULL );
 582     }
 583
 584     return( p_config );
 585 }
 586
 587 /*****************************************************************************
 588  * input_SelectES: selects an ES and spawns the associated decoder
 589  *****************************************************************************
 590  * Remember we are still supposed to have stream_lock when entering this
 591  * function ?
 592  *****************************************************************************/
 593 /* FIXME */
 594 vlc_thread_t adec_CreateThread( void * );
 595 vlc_thread_t ac3dec_CreateThread( void * );
 596 vlc_thread_t vpar_CreateThread( void * );
 597 vlc_thread_t spudec_CreateThread( void * );
 598
 599 int input_SelectES( input_thread_t * p_input, es_descriptor_t * p_es )
 600 {
 601     /* FIXME ! */
 602     decoder_capabilities_t  decoder;
 603     void *                  p_config;
 604
 605     if( p_es == NULL )
 606     {
 607         intf_ErrMsg( "Nothing to do in input_SelectES" );
 608         return -1;
 609     }
 610
 611 #ifdef DEBUG_INPUT
 612     intf_DbgMsg( "Selecting ES 0x%x", p_es->i_id );
 613 #endif
 614
 615     if( p_es->p_decoder_fifo != NULL )
 616     {
 617         intf_ErrMsg( "ES 0x%x is already selected", p_es->i_id );
 618         return( -1 );
 619     }
 620
 621     switch( p_es->i_type )
 622     {
 623     case MPEG1_AUDIO_ES:
 624     case MPEG2_AUDIO_ES:
 625         if( p_main->b_audio )
 626         {
 627             decoder.pf_create_thread = adec_CreateThread;
 628             p_config = (void *)GetAdecConfig( p_input, p_es );
 629
 630             /* Release the lock, not to block the input thread during
 631              * the creation of the thread. */
 632             vlc_mutex_unlock( &p_input->stream.stream_lock );
 633             p_es->thread_id = input_RunDecoder( &decoder, p_config );
 634             vlc_mutex_lock( &p_input->stream.stream_lock );
 635         }
 636         break;
 637
 638     case MPEG1_VIDEO_ES:
 639     case MPEG2_VIDEO_ES:
 640         if( p_main->b_video )
 641         {
 642             decoder.pf_create_thread = vpar_CreateThread;
 643             p_config = (void *)GetVdecConfig( p_input, p_es );
 644
 645             /* Release the lock, not to block the input thread during
 646              * the creation of the thread. */
 647             vlc_mutex_unlock( &p_input->stream.stream_lock );
 648             p_es->thread_id = input_RunDecoder( &decoder, p_config );
 649             vlc_mutex_lock( &p_input->stream.stream_lock );
 650         }
 651         break;
 652
 653     case AC3_AUDIO_ES:
 654         if( p_main->b_audio )
 655         {
 656             decoder.pf_create_thread = ac3dec_CreateThread;
 657             p_config = (void *)GetAdecConfig( p_input, p_es );
 658
 659             /* Release the lock, not to block the input thread during
 660              * the creation of the thread. */
 661             vlc_mutex_unlock( &p_input->stream.stream_lock );
 662             p_es->thread_id = input_RunDecoder( &decoder, p_config );
 663             vlc_mutex_lock( &p_input->stream.stream_lock );
 664         }
 665         break;
 666
 667     case DVD_SPU_ES:
 668         if( p_main->b_video )
 669         {
 670             decoder.pf_create_thread = spudec_CreateThread;
 671             p_config = (void *)GetVdecConfig( p_input, p_es );
 672
 673             /* Release the lock, not to block the input thread during
 674              * the creation of the thread. */
 675             vlc_mutex_unlock( &p_input->stream.stream_lock );
 676             p_es->thread_id = input_RunDecoder( &decoder, p_config );
 677             vlc_mutex_lock( &p_input->stream.stream_lock );
 678         }
 679         break;
 680
 681     default:
 682         intf_ErrMsg( "Unknown stream type 0x%x", p_es->i_type );
 683         return( -1 );
 684         break;
 685     }
 686
 687     if( p_es->thread_id == 0 )
 688     {
 689         return( -1 );
 690     }
 691
 692     return( 0 );
 693 }
 694
 695 /*****************************************************************************
 696  * input_UnselectES: removes an ES from the list of selected ES
 697  *****************************************************************************/
 698 int input_UnselectES( input_thread_t * p_input, es_descriptor_t * p_es )
 699 {
 700
 701     int     i_index = 0;
 702
 703     if( p_es == NULL )
 704     {
 705         intf_ErrMsg( "Nothing to do in input_UnselectES" );
 706         return -1;
 707     }
 708
 709 #ifdef DEBUG_INPUT
 710     intf_DbgMsg( "Unselecting ES 0x%x", p_es->i_id );
 711 #endif
 712
 713     if( p_es->p_decoder_fifo == NULL )
 714     {
 715         intf_ErrMsg( "ES 0x%x is not selected", p_es->i_id );
 716         return( -1 );
 717     }
 718
 719     input_EndDecoder( p_input, p_es );
 720
 721     if( ( p_es->p_decoder_fifo == NULL ) &&
 722         ( p_input->stream.i_selected_es_number > 0 ) )
 723     {
 724         p_input->stream.i_selected_es_number--;
 725
 726         while( ( i_index < p_input->stream.i_selected_es_number ) &&
 727                ( p_input->stream.pp_selected_es[i_index] != p_es ) )
 728         {
 729             i_index++;
 730         }
 731
 732         p_input->stream.pp_selected_es[i_index] =
 733           p_input->stream.pp_selected_es[p_input->stream.i_selected_es_number];
 734
 735         p_input->stream.pp_selected_es = realloc(
 736                                            p_input->stream.pp_selected_es,
 737                                            p_input->stream.i_selected_es_number
 738                                             * sizeof(es_descriptor_t *) );
 739
 740         if( p_input->stream.pp_selected_es == NULL )
 741         {
 742 #ifdef DEBUG_INPUT
 743             intf_DbgMsg( "No more selected ES in input_UnselectES" );
 744 #endif
 745             return( 1 );
 746         }
 747     }
 748
 749     return( 0 );
 750 }