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

   1 /*****************************************************************************
   2  * es_out.c: Es Out handler for input.
   3  *****************************************************************************
   4  * Copyright (C) 2003-2004 VideoLAN
   5  * $Id: es_out.c,v 1.17 2004/01/18 04:53:57 fenrir Exp $
   6  *
   7  * Authors: Laurent Aimar <fenrir@via.ecp.fr>
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
  22  *****************************************************************************/
  23
  24 /*****************************************************************************
  25  * Preamble
  26  *****************************************************************************/
  27 #include <stdlib.h>
  28
  29 #include <vlc/vlc.h>
  30 #include <vlc/input.h>
  31 #include <vlc/decoder.h>
  32
  33 #include "vlc_playlist.h"
  34 #include "codecs.h"
  35
  36 /*****************************************************************************
  37  * Local prototypes
  38  *****************************************************************************/
  39 struct es_out_id_t
  40 {
  41     int             i_channel;
  42     es_descriptor_t *p_es;
  43 };
  44
  45 struct es_out_sys_t
  46 {
  47     input_thread_t *p_input;
  48     vlc_bool_t      b_pcr_set;
  49
  50     /* all es */
  51     int         i_id;
  52
  53     int         i_es;
  54     es_out_id_t **es;
  55
  56     /* mode gestion */
  57     vlc_bool_t  b_active;
  58     int         i_mode;
  59
  60     /* es count */
  61     int         i_audio;
  62     int         i_video;
  63     int         i_sub;
  64
  65     /* es to select */
  66     int         i_audio_last;
  67     int         i_sub_last;
  68
  69     /* current main es */
  70     es_out_id_t *p_es_audio;
  71     es_out_id_t *p_es_video;
  72     es_out_id_t *p_es_sub;
  73 };
  74
  75 static es_out_id_t *EsOutAdd    ( es_out_t *, es_format_t * );
  76 static int          EsOutSend   ( es_out_t *, es_out_id_t *, block_t * );
  77 static void         EsOutDel    ( es_out_t *, es_out_id_t * );
  78 static int          EsOutControl( es_out_t *, int i_query, va_list );
  79
  80
  81 /*****************************************************************************
  82  * input_EsOutNew:
  83  *****************************************************************************/
  84 es_out_t *input_EsOutNew( input_thread_t *p_input )
  85 {
  86     es_out_t     *out = malloc( sizeof( es_out_t ) );
  87     es_out_sys_t *p_sys = malloc( sizeof( es_out_sys_t ) );
  88     vlc_value_t  val;
  89
  90     out->pf_add     = EsOutAdd;
  91     out->pf_send    = EsOutSend;
  92     out->pf_del     = EsOutDel;
  93     out->pf_control = EsOutControl;
  94     out->p_sys      = p_sys;
  95
  96     p_sys->p_input = p_input;
  97     p_sys->b_pcr_set = VLC_FALSE;
  98
  99     p_sys->b_active = VLC_FALSE;
 100     p_sys->i_mode   = ES_OUT_MODE_AUTO;
 101
 102     p_sys->i_id    = 1;
 103
 104     p_sys->i_es    = 0;
 105     p_sys->es      = NULL;
 106
 107     p_sys->i_audio = 0;
 108     p_sys->i_video = 0;
 109     p_sys->i_sub   = 0;
 110
 111     var_Get( p_input, "audio-channel", &val );
 112     p_sys->i_audio_last = val.i_int;
 113
 114     var_Get( p_input, "spu-channel", &val );
 115     p_sys->i_sub_last = val.i_int;
 116
 117     p_sys->p_es_audio = NULL;
 118     p_sys->p_es_video = NULL;
 119     p_sys->p_es_sub   = NULL;
 120
 121     return out;
 122 }
 123
 124 /*****************************************************************************
 125  * input_EsOutDelete:
 126  *****************************************************************************/
 127 void input_EsOutDelete( es_out_t *out )
 128 {
 129     es_out_sys_t *p_sys = out->p_sys;
 130     int i;
 131
 132     for( i = 0; i < p_sys->i_es; i++ )
 133     {
 134         free( p_sys->es[i] );
 135     }
 136     if( p_sys->es )
 137     {
 138         free( p_sys->es );
 139     }
 140     free( p_sys );
 141     free( out );
 142 }
 143
 144 /*****************************************************************************
 145  * EsOutSelect: Select an ES given the current mode
 146  * XXX: you need to take a the lock before (stream.stream_lock)
 147  *****************************************************************************/
 148 static void EsOutSelect( es_out_t *out, es_out_id_t *es, vlc_bool_t b_force )
 149 {
 150     es_out_sys_t      *p_sys = out->p_sys;
 151     input_thread_t    *p_input = p_sys->p_input;
 152
 153     int i_cat = es->p_es->i_cat;
 154
 155     if( !p_sys->b_active ||
 156         ( !b_force && es->p_es->fmt.i_priority < 0 ) )
 157     {
 158         return;
 159     }
 160
 161     if( p_sys->i_mode == ES_OUT_MODE_ALL || b_force )
 162     {
 163         if( !es->p_es->p_dec )
 164         {
 165             input_SelectES( p_input, es->p_es );
 166         }
 167     }
 168     else if( p_sys->i_mode == ES_OUT_MODE_AUTO )
 169     {
 170         int i_wanted  = -1;
 171
 172         if( es->p_es->p_pgrm != NULL &&
 173             es->p_es->p_pgrm != p_input->stream.p_selected_program )
 174         {
 175             return;
 176         }
 177
 178         if( i_cat == AUDIO_ES )
 179         {
 180             if( p_sys->p_es_audio &&
 181                 p_sys->p_es_audio->p_es->fmt.i_priority >=
 182                     es->p_es->fmt.i_priority )
 183             {
 184                 return;
 185             }
 186             i_wanted  = p_sys->i_audio_last >= 0 ?
 187                             p_sys->i_audio_last : es->i_channel;
 188         }
 189         else if( i_cat == SPU_ES )
 190         {
 191             if( p_sys->p_es_sub &&
 192                 p_sys->p_es_sub->p_es->fmt.i_priority >=
 193                     es->p_es->fmt.i_priority )
 194             {
 195                 return;
 196             }
 197             i_wanted  = p_sys->i_sub_last;
 198         }
 199         else if( i_cat == VIDEO_ES )
 200         {
 201             i_wanted  = es->i_channel;
 202         }
 203
 204         if( i_wanted == es->i_channel && es->p_es->p_dec == NULL )
 205         {
 206             input_SelectES( p_input, es->p_es );
 207         }
 208     }
 209
 210     /* FIXME TODO handle priority here */
 211     if( es->p_es->p_dec )
 212     {
 213         if( i_cat == AUDIO_ES )
 214         {
 215             if( p_sys->i_mode == ES_OUT_MODE_AUTO &&
 216                 p_sys->p_es_audio && p_sys->p_es_audio->p_es->p_dec )
 217             {
 218                 input_UnselectES( p_input, p_sys->p_es_audio->p_es );
 219             }
 220             p_sys->p_es_audio = es;
 221         }
 222         else if( i_cat == SPU_ES )
 223         {
 224             if( p_sys->i_mode == ES_OUT_MODE_AUTO &&
 225                 p_sys->p_es_sub && p_sys->p_es_sub->p_es->p_dec )
 226             {
 227                 input_UnselectES( p_input, p_sys->p_es_sub->p_es );
 228             }
 229             p_sys->p_es_sub = es;
 230         }
 231         else if( i_cat == VIDEO_ES )
 232         {
 233             p_sys->p_es_video = es;
 234         }
 235     }
 236 }
 237
 238 /*****************************************************************************
 239  * EsOutAdd:
 240  *****************************************************************************/
 241 static es_out_id_t *EsOutAdd( es_out_t *out, es_format_t *fmt )
 242 {
 243     es_out_sys_t      *p_sys = out->p_sys;
 244     playlist_t        *p_playlist = NULL;
 245     input_thread_t    *p_input = p_sys->p_input;
 246     es_out_id_t       *es = malloc( sizeof( es_out_id_t ) );
 247     pgrm_descriptor_t *p_prgm = NULL;
 248     char              psz_cat[sizeof( "Stream " ) + 10];
 249     input_info_category_t *p_cat;
 250
 251     vlc_mutex_lock( &p_input->stream.stream_lock );
 252     if( fmt->i_group >= 0 )
 253     {
 254         /* search program */
 255         p_prgm = input_FindProgram( p_input, fmt->i_group );
 256
 257         if( p_prgm == NULL )
 258         {
 259             /* create it */
 260             p_prgm = input_AddProgram( p_input, fmt->i_group, 0 );
 261
 262             /* XXX welcome to kludge, add a dummy es, if you want to understand
 263              * why have a look at input_SetProgram. Basicaly, it assume the first
 264              * es to be the PMT, how that is stupide, nevertheless it is needed for
 265              * the old ts demuxer */
 266             input_AddES( p_input, p_prgm, 0, UNKNOWN_ES, NULL, 0 );
 267
 268             /* Select the first by default */
 269             if( p_input->stream.p_selected_program == NULL )
 270             {
 271                 p_input->stream.p_selected_program = p_prgm;
 272             }
 273         }
 274     }
 275
 276     es->p_es = input_AddES( p_input,
 277                             p_prgm,
 278                             out->p_sys->i_id,
 279                             fmt->i_cat,
 280                             fmt->psz_language, 0 );
 281     es->p_es->i_stream_id = out->p_sys->i_id;
 282     es->p_es->i_fourcc = fmt->i_codec;
 283
 284     switch( fmt->i_cat )
 285     {
 286         case AUDIO_ES:
 287         {
 288             WAVEFORMATEX *p_wf =
 289                 malloc( sizeof( WAVEFORMATEX ) + fmt->i_extra);
 290
 291             p_wf->wFormatTag        = WAVE_FORMAT_UNKNOWN;
 292             p_wf->nChannels         = fmt->audio.i_channels;
 293             p_wf->nSamplesPerSec    = fmt->audio.i_rate;
 294             p_wf->nAvgBytesPerSec   = fmt->i_bitrate / 8;
 295             p_wf->nBlockAlign       = fmt->audio.i_blockalign;
 296             p_wf->wBitsPerSample    = fmt->audio.i_bitspersample;
 297             p_wf->cbSize            = fmt->i_extra;
 298             if( fmt->i_extra > 0 )
 299             {
 300                 memcpy( &p_wf[1], fmt->p_extra, fmt->i_extra );
 301             }
 302             es->p_es->p_waveformatex = p_wf;
 303
 304             es->i_channel = p_sys->i_audio;
 305             break;
 306         }
 307         case VIDEO_ES:
 308         {
 309             BITMAPINFOHEADER *p_bih = malloc( sizeof( BITMAPINFOHEADER ) +
 310                                               fmt->i_extra );
 311             p_bih->biSize           = sizeof(BITMAPINFOHEADER) + fmt->i_extra;
 312             p_bih->biWidth          = fmt->video.i_width;
 313             p_bih->biHeight         = fmt->video.i_height;
 314             p_bih->biPlanes         = 1;
 315             p_bih->biBitCount       = 24;
 316             p_bih->biCompression    = fmt->i_codec;
 317             p_bih->biSizeImage      = fmt->video.i_width *
 318                                           fmt->video.i_height;
 319             p_bih->biXPelsPerMeter  = 0;
 320             p_bih->biYPelsPerMeter  = 0;
 321             p_bih->biClrUsed        = 0;
 322             p_bih->biClrImportant   = 0;
 323
 324             if( fmt->i_extra > 0 )
 325             {
 326                 memcpy( &p_bih[1], fmt->p_extra, fmt->i_extra );
 327             }
 328             es->p_es->p_bitmapinfoheader = p_bih;
 329
 330             es->i_channel = p_sys->i_video;
 331             break;
 332         }
 333         case SPU_ES:
 334         {
 335             subtitle_data_t *p_sub = malloc( sizeof( subtitle_data_t ) );
 336             memset( p_sub, 0, sizeof( subtitle_data_t ) );
 337             if( fmt->i_extra > 0 )
 338             {
 339                 p_sub->psz_header = malloc( fmt->i_extra  + 1 );
 340                 memcpy( p_sub->psz_header, fmt->p_extra , fmt->i_extra );
 341                 /* just to be sure */
 342                 ((uint8_t*)fmt->p_extra)[fmt->i_extra] = '\0';
 343             }
 344             /* FIXME beuuuuuurk */
 345             es->p_es->p_demux_data = p_sub;
 346
 347             es->i_channel = p_sys->i_sub;
 348             break;
 349         }
 350
 351         default:
 352             es->i_channel = 0;
 353             break;
 354     }
 355
 356     sprintf( psz_cat, _("Stream %d"), out->p_sys->i_id - 1 );
 357     /* Get a category and the playlist */
 358     if( ( p_cat = input_InfoCategory( p_input, psz_cat ) ) &&
 359         ( p_playlist = (playlist_t *)vlc_object_find( p_input,
 360                        VLC_OBJECT_PLAYLIST, FIND_ANYWHERE ) ) )
 361     {
 362         /* Add information */
 363         switch( fmt->i_cat )
 364         {
 365             case AUDIO_ES:
 366                 if( fmt->psz_description )
 367                 {
 368                     input_AddInfo( p_cat, _("Description"), "%s",
 369                                    fmt->psz_description );
 370                     playlist_AddInfo( p_playlist, -1, psz_cat,
 371                                      _("Description"), "%s",
 372                                      fmt->psz_description );
 373                 }
 374                 input_AddInfo( p_cat, _("Codec"), "%.4s",
 375                                (char*)&fmt->i_codec );
 376                 playlist_AddInfo( p_playlist, -1, psz_cat,
 377                                   _("Codec"),"%.4s",(char*)&fmt->i_codec );
 378
 379                 input_AddInfo( p_cat, _("Type"), _("Audio") );
 380                 playlist_AddInfo( p_playlist, -1, psz_cat,
 381                                  _("Type"), _("Audio") );
 382
 383                 if( fmt->audio.i_channels > 0 )
 384                 {
 385                     input_AddInfo( p_cat, _("Channels"), "%d",
 386                                    fmt->audio.i_channels );
 387                     playlist_AddInfo( p_playlist, -1, psz_cat,
 388                                       _("Channels"), "%d",                                                            fmt->audio.i_channels );
 389                 }
 390                 if( fmt->psz_language )
 391                 {
 392                     input_AddInfo( p_cat, _("Language"), "%s",
 393                                    fmt->psz_language );
 394                     playlist_AddInfo( p_playlist, -1, psz_cat,
 395                                      _("Language"), "%s",
 396                                      fmt->psz_language );
 397                 }
 398                 if( fmt->audio.i_rate > 0 )
 399                 {
 400                     input_AddInfo( p_cat, _("Sample rate"), _("%d Hz"),
 401                                    fmt->audio.i_rate );
 402                     playlist_AddInfo( p_playlist, -1, psz_cat,
 403                                      _("Sample rate"), _("%d Hz"),
 404                                       fmt->audio.i_rate );
 405                 }
 406                 if( fmt->i_bitrate > 0 )
 407                 {
 408                     input_AddInfo( p_cat, _("Bitrate"), _("%d bps"),
 409                                    fmt->i_bitrate );
 410                     playlist_AddInfo( p_playlist, -1, psz_cat,
 411                                     _("Bitrate"), _("%d bps"),
 412                                      fmt->i_bitrate );
 413                 }
 414                 if( fmt->audio.i_bitspersample )
 415                 {
 416                     input_AddInfo( p_cat, _("Bits per sample"), "%d",
 417                                    fmt->audio.i_bitspersample );
 418                     playlist_AddInfo( p_playlist, -1, psz_cat,
 419                                      _("Bits per sample"), "%d",
 420                                      fmt->audio.i_bitspersample );
 421                 }
 422                 break;
 423             case VIDEO_ES:
 424                 if( fmt->psz_description )
 425                 {
 426                     input_AddInfo( p_cat, _("Description"), "%s",
 427                                    fmt->psz_description );
 428                     playlist_AddInfo( p_playlist, -1, psz_cat,
 429                                      _("Description"), "%s",
 430                                      fmt->psz_description );
 431                 }
 432                 input_AddInfo( p_cat, _("Type"), _("Video") );
 433                 playlist_AddInfo( p_playlist, -1, psz_cat,
 434                                 _("Type"), _("Video") );
 435
 436                 input_AddInfo( p_cat, _("Codec"), "%.4s",
 437                                (char*)&fmt->i_codec );
 438                 playlist_AddInfo( p_playlist, -1, psz_cat,
 439                                  _("Codec"), "%.4s",
 440                                  (char*)&fmt->i_codec );
 441
 442                 if( fmt->video.i_width > 0 && fmt->video.i_height > 0 )
 443                 {
 444                     input_AddInfo( p_cat, _("Resolution"), "%dx%d",
 445                                    fmt->video.i_width, fmt->video.i_height );
 446                     playlist_AddInfo( p_playlist, -1, psz_cat,
 447                                     _("Resolution"), "%dx%d",
 448                                     fmt->video.i_width, fmt->video.i_height );
 449                 }
 450                 if( fmt->video.i_visible_width > 0 &&
 451                     fmt->video.i_visible_height > 0 )
 452                 {
 453                     input_AddInfo( p_cat, _("Display resolution"), "%dx%d",
 454                                    fmt->video.i_visible_width,
 455                                    fmt->video.i_visible_height);
 456                      playlist_AddInfo( p_playlist, -1, psz_cat,
 457                                        _("Display resolution"), "%dx%d",
 458                                        fmt->video.i_visible_width,
 459                                        fmt->video.i_visible_height);
 460                 }
 461                 break;
 462             case SPU_ES:
 463                 input_AddInfo( p_cat, _("Type"), _("Subtitle") );
 464                 playlist_AddInfo( p_playlist, -1, psz_cat,
 465                                    _("Type"), _("Subtitle") );
 466                 input_AddInfo( p_cat, _("Codec"), "%.4s",
 467                                (char*)&fmt->i_codec );
 468                 playlist_AddInfo( p_playlist, -1, psz_cat,
 469                                  _("Codec"), "%.4s",
 470                                  (char*)&fmt->i_codec );
 471                 break;
 472             default:
 473
 474                 break;
 475         }
 476         if( p_playlist ) vlc_object_release( p_playlist );
 477     }
 478
 479     /* Apply mode
 480      * XXX change that when we do group too */
 481     if( 1 )
 482     {
 483         EsOutSelect( out, es, VLC_FALSE );
 484     }
 485
 486     vlc_mutex_unlock( &p_input->stream.stream_lock );
 487
 488     es->p_es->fmt = *fmt;
 489
 490     TAB_APPEND( out->p_sys->i_es, out->p_sys->es, es );
 491     p_sys->i_id++;  /* always incremented */
 492     switch( fmt->i_cat )
 493     {
 494         case AUDIO_ES:
 495             p_sys->i_audio++;
 496             break;
 497         case SPU_ES:
 498             p_sys->i_sub++;
 499             break;
 500         case VIDEO_ES:
 501             p_sys->i_video++;
 502             break;
 503     }
 504
 505     return es;
 506 }
 507
 508 /*****************************************************************************
 509  * EsOutSend:
 510  *****************************************************************************/
 511 static int EsOutSend( es_out_t *out, es_out_id_t *es, block_t *p_block )
 512 {
 513     es_out_sys_t *p_sys = out->p_sys;
 514
 515     if( p_sys->b_pcr_set )
 516     {
 517         pgrm_descriptor_t *p_pgrm = es->p_es->p_pgrm;
 518         input_thread_t    *p_input = p_sys->p_input;
 519
 520         if( p_pgrm == NULL )
 521         {
 522             p_pgrm = p_sys->p_input->stream.p_selected_program;
 523         }
 524
 525         if( p_block->i_dts > 0 && p_pgrm )
 526         {
 527             p_block->i_dts =
 528                 input_ClockGetTS( p_input, p_pgrm, p_block->i_dts * 9 / 100 );
 529         }
 530         if( p_block->i_pts > 0 && p_pgrm )
 531         {
 532             p_block->i_pts =
 533                 input_ClockGetTS( p_input, p_pgrm, p_block->i_pts * 9 / 100 );
 534         }
 535     }
 536
 537     vlc_mutex_lock( &out->p_sys->p_input->stream.stream_lock );
 538     p_block->i_rate = out->p_sys->p_input->stream.control.i_rate;
 539     if( es->p_es->p_dec &&
 540         (es->p_es->i_cat!=AUDIO_ES || !p_sys->p_input->stream.control.b_mute) )
 541     {
 542         input_DecodeBlock( es->p_es->p_dec, p_block );
 543     }
 544     else
 545     {
 546         block_Release( p_block );
 547     }
 548     vlc_mutex_unlock( &out->p_sys->p_input->stream.stream_lock );
 549
 550     return VLC_SUCCESS;
 551 }
 552
 553 /*****************************************************************************
 554  * EsOutDel:
 555  *****************************************************************************/
 556 static void EsOutDel( es_out_t *out, es_out_id_t *es )
 557 {
 558     es_out_sys_t *p_sys = out->p_sys;
 559
 560     TAB_REMOVE( p_sys->i_es, p_sys->es, es );
 561
 562     switch( es->p_es->i_cat )
 563     {
 564         case AUDIO_ES:
 565             p_sys->i_audio--;
 566             break;
 567         case SPU_ES:
 568             p_sys->i_sub--;
 569             break;
 570         case VIDEO_ES:
 571             p_sys->i_video--;
 572             break;
 573     }
 574
 575     /* We don't try to reselect */
 576     vlc_mutex_lock( &p_sys->p_input->stream.stream_lock );
 577     if( es->p_es->p_dec )
 578     {
 579         input_UnselectES( p_sys->p_input, es->p_es );
 580     }
 581
 582     if( es->p_es->p_waveformatex )
 583     {
 584         free( es->p_es->p_waveformatex );
 585         es->p_es->p_waveformatex = NULL;
 586     }
 587     if( es->p_es->p_bitmapinfoheader )
 588     {
 589         free( es->p_es->p_bitmapinfoheader );
 590         es->p_es->p_bitmapinfoheader = NULL;
 591     }
 592     input_DelES( p_sys->p_input, es->p_es );
 593
 594     if( p_sys->p_es_audio == es ) p_sys->p_es_audio = NULL;
 595     if( p_sys->p_es_video == es ) p_sys->p_es_video = NULL;
 596     if( p_sys->p_es_sub   == es ) p_sys->p_es_sub   = NULL;
 597
 598     vlc_mutex_unlock( &p_sys->p_input->stream.stream_lock );
 599
 600     free( es );
 601 }
 602
 603 /*****************************************************************************
 604  * EsOutControl:
 605  *****************************************************************************/
 606 static int EsOutControl( es_out_t *out, int i_query, va_list args )
 607 {
 608     es_out_sys_t *p_sys = out->p_sys;
 609     vlc_bool_t  b, *pb;
 610     int         i, *pi;
 611
 612     es_out_id_t *es;
 613
 614     switch( i_query )
 615     {
 616         case ES_OUT_SET_ES_STATE:
 617             vlc_mutex_lock( &p_sys->p_input->stream.stream_lock );
 618             es = (es_out_id_t*) va_arg( args, es_out_id_t * );
 619             b = (vlc_bool_t) va_arg( args, vlc_bool_t );
 620             if( b && es->p_es->p_dec == NULL )
 621             {
 622                 input_SelectES( p_sys->p_input, es->p_es );
 623                 vlc_mutex_unlock( &p_sys->p_input->stream.stream_lock );
 624                 return es->p_es->p_dec ? VLC_SUCCESS : VLC_EGENERIC;
 625             }
 626             else if( !b && es->p_es->p_dec )
 627             {
 628                 input_UnselectES( p_sys->p_input, es->p_es );
 629                 vlc_mutex_unlock( &p_sys->p_input->stream.stream_lock );
 630                 return VLC_SUCCESS;
 631             }
 632             vlc_mutex_unlock( &p_sys->p_input->stream.stream_lock );
 633             return VLC_SUCCESS;
 634
 635         case ES_OUT_GET_ES_STATE:
 636             es = (es_out_id_t*) va_arg( args, es_out_id_t * );
 637             pb = (vlc_bool_t*) va_arg( args, vlc_bool_t * );
 638
 639             *pb = es->p_es->p_dec ? VLC_TRUE : VLC_FALSE;
 640             return VLC_SUCCESS;
 641
 642         case ES_OUT_SET_ACTIVE:
 643         {
 644             b = (vlc_bool_t) va_arg( args, vlc_bool_t );
 645             p_sys->b_active = b;
 646
 647             if( b )
 648             {
 649                 vlc_value_t val;
 650                 val.b_bool = VLC_TRUE;
 651                 var_Set( p_sys->p_input, "intf-change", val );
 652             }
 653             return VLC_SUCCESS;
 654         }
 655
 656         case ES_OUT_GET_ACTIVE:
 657             pb = (vlc_bool_t*) va_arg( args, vlc_bool_t * );
 658             *pb = p_sys->b_active;
 659             return VLC_SUCCESS;
 660
 661         case ES_OUT_SET_MODE:
 662             i = (int) va_arg( args, int );
 663             if( i == ES_OUT_MODE_NONE || i == ES_OUT_MODE_ALL ||
 664                 i == ES_OUT_MODE_AUTO )
 665             {
 666                 vlc_value_t val;
 667
 668                 p_sys->i_mode = i;
 669
 670                 /* Reapply policy mode */
 671                 vlc_mutex_lock( &p_sys->p_input->stream.stream_lock );
 672                 for( i = 0; i < p_sys->i_es; i++ )
 673                 {
 674                     if( p_sys->es[i]->p_es->p_dec )
 675                     {
 676                         input_UnselectES( p_sys->p_input, p_sys->es[i]->p_es );
 677                     }
 678                 }
 679                 for( i = 0; i < p_sys->i_es; i++ )
 680                 {
 681                     EsOutSelect( out, p_sys->es[i], VLC_FALSE );
 682                 }
 683                 vlc_mutex_unlock( &p_sys->p_input->stream.stream_lock );
 684
 685                 val.b_bool = VLC_TRUE;
 686                 var_Set( p_sys->p_input, "intf-change", val );
 687
 688                 return VLC_SUCCESS;
 689             }
 690             return VLC_EGENERIC;
 691
 692         case ES_OUT_GET_MODE:
 693             pi = (int*) va_arg( args, int* );
 694             *pi = p_sys->i_mode;
 695             return VLC_SUCCESS;
 696
 697         case ES_OUT_SET_ES:
 698             es = (es_out_id_t*) va_arg( args, es_out_id_t * );
 699             if( es == NULL )
 700             {
 701                 for( i = 0; i < p_sys->i_es; i++ )
 702                 {
 703                     vlc_mutex_lock( &p_sys->p_input->stream.stream_lock );
 704                     if( p_sys->es[i]->p_es->p_dec )
 705                     {
 706                         input_UnselectES( p_sys->p_input, p_sys->es[i]->p_es );
 707                     }
 708                     vlc_mutex_unlock( &p_sys->p_input->stream.stream_lock );
 709                 }
 710             }
 711             else
 712             {
 713                 vlc_mutex_lock( &p_sys->p_input->stream.stream_lock );
 714                 EsOutSelect( out, es, VLC_TRUE );
 715                 vlc_mutex_unlock( &p_sys->p_input->stream.stream_lock );
 716             }
 717             return VLC_SUCCESS;
 718
 719         case ES_OUT_SET_PCR:
 720         case ES_OUT_SET_GROUP_PCR:
 721         {
 722             pgrm_descriptor_t *p_prgm = NULL;
 723             int64_t           i_pcr;
 724
 725             if( i_query == ES_OUT_SET_PCR )
 726             {
 727                 p_prgm = p_sys->p_input->stream.p_selected_program;
 728             }
 729             else
 730             {
 731                 int i_group = (int)va_arg( args, int );
 732                 p_prgm = input_FindProgram( p_sys->p_input, i_group );
 733             }
 734             i_pcr   = (int64_t)va_arg( args, int64_t );
 735
 736             /* search program */
 737             if( p_prgm )
 738             {
 739                 input_ClockManageRef( p_sys->p_input, p_prgm, i_pcr * 9 / 100);
 740             }
 741             p_sys->b_pcr_set = VLC_TRUE;
 742             return VLC_SUCCESS;
 743         }
 744
 745         case ES_OUT_RESET_PCR:
 746             for( i = 0; i < p_sys->p_input->stream.i_pgrm_number; i++ )
 747             {
 748                 p_sys->p_input->stream.pp_programs[i]->i_synchro_state = SYNCHRO_REINIT;
 749             }
 750             p_sys->b_pcr_set = VLC_TRUE;
 751             return VLC_SUCCESS;
 752
 753         default:
 754             msg_Err( p_sys->p_input, "unknown query in es_out_Control" );
 755             return VLC_EGENERIC;
 756     }
 757 }