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

   1 /*****************************************************************************
   2  * vlm.c: VLM interface plugin
   3  *****************************************************************************
   4  * Copyright (C) 2000-2005 the VideoLAN team
   5  * $Id$
   6  *
   7  * Authors: Simon Latapie <garf@videolan.org>
   8  *          Laurent Aimar <fenrir@videolan.org>
   9  *          Gildas Bazin <gbazin@videolan.org>
  10  *
  11  * This program is free software; you can redistribute it and/or modify
  12  * it under the terms of the GNU General Public License as published by
  13  * the Free Software Foundation; either version 2 of the License, or
  14  * (at your option) any later version.
  15  *
  16  * This program is distributed in the hope that it will be useful,
  17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19  * GNU General Public License for more details.
  20  *
  21  * You should have received a copy of the GNU General Public License
  22  * along with this program; if not, write to the Free Software
  23  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  24  *****************************************************************************/
  25
  26 /*****************************************************************************
  27  * Preamble
  28  *****************************************************************************/
  29 #ifdef HAVE_CONFIG_H
  30 # include "config.h"
  31 #endif
  32
  33 #include <vlc_common.h>
  34
  35 #include <stdio.h>
  36 #include <ctype.h>                                              /* tolower() */
  37 #include <assert.h>
  38
  39 #include <vlc_vlm.h>
  40
  41 #ifdef ENABLE_VLM
  42
  43 #ifndef WIN32
  44 #   include <sys/time.h>                                   /* gettimeofday() */
  45 #endif
  46
  47 #ifdef HAVE_TIME_H
  48 #   include <time.h>                                              /* ctime() */
  49 #   include <sys/timeb.h>                                         /* ftime() */
  50 #endif
  51
  52 #include <vlc_input.h>
  53 #include "input_internal.h"
  54 #include <vlc_stream.h>
  55 #include "vlm_internal.h"
  56 #include <vlc_vod.h>
  57 #include <vlc_charset.h>
  58 #include <vlc_sout.h>
  59 #include "../stream_output/stream_output.h"
  60 #include "../libvlc.h"
  61
  62 /*****************************************************************************
  63  * Local prototypes.
  64  *****************************************************************************/
  65
  66 static void vlm_Destructor( vlm_t *p_vlm );
  67 static int Manage( vlc_object_t * );
  68 static int vlm_MediaVodControl( void *, vod_media_t *, const char *, int, va_list );
  69
  70 /*****************************************************************************
  71  * vlm_New:
  72  *****************************************************************************/
  73 vlm_t *__vlm_New ( vlc_object_t *p_this )
  74 {
  75     vlc_value_t lockval;
  76     vlm_t *p_vlm = NULL, **pp_vlm = &(libvlc_priv (p_this->p_libvlc)->p_vlm);
  77     char *psz_vlmconf;
  78     static const char vlm_object_name[] = "vlm daemon";
  79
  80     /* Avoid multiple creation */
  81     if( var_Create( p_this->p_libvlc, "vlm_mutex", VLC_VAR_MUTEX ) ||
  82         var_Get( p_this->p_libvlc, "vlm_mutex", &lockval ) )
  83         return NULL;
  84
  85     vlc_mutex_lock( lockval.p_address );
  86
  87     p_vlm = *pp_vlm;
  88     if( p_vlm )
  89     {   /* VLM already exists */
  90         vlc_object_yield( p_vlm );
  91         vlc_mutex_unlock( lockval.p_address );
  92         return p_vlm;
  93     }
  94
  95     msg_Dbg( p_this, "creating VLM" );
  96
  97     p_vlm = vlc_custom_create( p_this, sizeof( *p_vlm ), VLC_OBJECT_GENERIC,
  98                                vlm_object_name );
  99     if( !p_vlm )
 100     {
 101         vlc_mutex_unlock( lockval.p_address );
 102         return NULL;
 103     }
 104
 105     vlc_mutex_init( &p_vlm->lock );
 106     p_vlm->i_id = 1;
 107     TAB_INIT( p_vlm->i_media, p_vlm->media );
 108     TAB_INIT( p_vlm->i_schedule, p_vlm->schedule );
 109     p_vlm->i_vod = 0;
 110     p_vlm->p_vod = NULL;
 111     vlc_object_attach( p_vlm, p_this->p_libvlc );
 112
 113     if( vlc_thread_create( p_vlm, "vlm thread",
 114                            Manage, VLC_THREAD_PRIORITY_LOW, false ) )
 115     {
 116         vlc_mutex_destroy( &p_vlm->lock );
 117         vlc_object_release( p_vlm );
 118         return NULL;
 119     }
 120
 121     /* Load our configuration file */
 122     psz_vlmconf = var_CreateGetString( p_vlm, "vlm-conf" );
 123     if( psz_vlmconf && *psz_vlmconf )
 124     {
 125         vlm_message_t *p_message = NULL;
 126         char *psz_buffer = NULL;
 127
 128         msg_Dbg( p_this, "loading VLM configuration" );
 129         if( asprintf(&psz_buffer, "load %s", psz_vlmconf ) == -1 )
 130             psz_buffer = NULL;
 131         if( psz_buffer )
 132         {
 133             msg_Dbg( p_this, psz_buffer );
 134             if( vlm_ExecuteCommand( p_vlm, psz_buffer, &p_message ) )
 135                 msg_Warn( p_this, "error while loading the configuration file" );
 136
 137             vlm_MessageDelete(p_message);
 138             free(psz_buffer);
 139         }
 140     }
 141     free(psz_vlmconf);
 142
 143     vlc_object_set_destructor( p_vlm, (vlc_destructor_t)vlm_Destructor );
 144     *pp_vlm = p_vlm; /* for future reference */
 145     vlc_mutex_unlock( lockval.p_address );
 146
 147     return p_vlm;
 148 }
 149
 150 /*****************************************************************************
 151  * vlm_Delete:
 152  *****************************************************************************/
 153 void vlm_Delete( vlm_t *p_vlm )
 154 {
 155     vlc_value_t lockval;
 156
 157     /* vlm_Delete() is serialized against itself, and against vlm_New().
 158      * This way, vlm_Destructor () (called from vlc_objet_release() above)
 159      * is serialized against setting libvlc_priv->p_vlm from vlm_New(). */
 160     var_Get( p_vlm->p_libvlc, "vlm_mutex", &lockval );
 161     vlc_mutex_lock( lockval.p_address );
 162     vlc_object_release( p_vlm );
 163     vlc_mutex_unlock( lockval.p_address );
 164 }
 165
 166 /*****************************************************************************
 167  * vlm_Destructor:
 168  *****************************************************************************/
 169 static void vlm_Destructor( vlm_t *p_vlm )
 170 {
 171     libvlc_priv (p_vlm->p_libvlc)->p_vlm = NULL;
 172
 173     vlm_ControlInternal( p_vlm, VLM_CLEAR_MEDIAS );
 174     TAB_CLEAN( p_vlm->i_media, p_vlm->media );
 175
 176     vlm_ControlInternal( p_vlm, VLM_CLEAR_SCHEDULES );
 177     TAB_CLEAN( p_vlm->schedule, p_vlm->schedule );
 178
 179     vlc_mutex_destroy( &p_vlm->lock );
 180 }
 181
 182 /*****************************************************************************
 183  * vlm_ExecuteCommand:
 184  *****************************************************************************/
 185 int vlm_ExecuteCommand( vlm_t *p_vlm, const char *psz_command,
 186                         vlm_message_t **pp_message)
 187 {
 188     int i_result;
 189
 190     vlc_mutex_lock( &p_vlm->lock );
 191     i_result = ExecuteCommand( p_vlm, psz_command, pp_message );
 192     vlc_mutex_unlock( &p_vlm->lock );
 193
 194     return i_result;
 195 }
 196
 197
 198 int64_t vlm_Date(void)
 199 {
 200 #ifdef WIN32
 201     struct timeb tm;
 202     ftime( &tm );
 203     return ((int64_t)tm.time) * 1000000 + ((int64_t)tm.millitm) * 1000;
 204 #else
 205     struct timeval tv_date;
 206
 207     /* gettimeofday() cannot fail given &tv_date is a valid address */
 208     (void)gettimeofday( &tv_date, NULL );
 209     return (mtime_t) tv_date.tv_sec * 1000000 + (mtime_t) tv_date.tv_usec;
 210 #endif
 211 }
 212
 213
 214 /*****************************************************************************
 215  *
 216  *****************************************************************************/
 217 static int vlm_MediaVodControl( void *p_private, vod_media_t *p_vod_media,
 218                                 const char *psz_id, int i_query, va_list args )
 219 {
 220     vlm_t *vlm = (vlm_t *)p_private;
 221     int i, i_ret;
 222     const char *psz;
 223     int64_t id;
 224
 225     if( !p_private || !p_vod_media )
 226         return VLC_EGENERIC;
 227
 228     vlc_mutex_lock( &vlm->lock );
 229
 230     /* Find media id */
 231     for( i = 0, id = -1; i < vlm->i_media; i++ )
 232     {
 233         if( p_vod_media == vlm->media[i]->vod.p_media )
 234         {
 235             id = vlm->media[i]->cfg.id;
 236             break;
 237         }
 238     }
 239     if( id == -1 )
 240     {
 241         vlc_mutex_unlock( &vlm->lock );
 242         return VLC_EGENERIC;
 243     }
 244
 245     switch( i_query )
 246     {
 247     case VOD_MEDIA_PLAY:
 248         psz = (const char *)va_arg( args, const char * );
 249         i_ret = vlm_ControlInternal( vlm, VLM_START_MEDIA_VOD_INSTANCE, id, psz_id, 0, psz );
 250         break;
 251
 252     case VOD_MEDIA_PAUSE:
 253         i_ret = vlm_ControlInternal( vlm, VLM_PAUSE_MEDIA_INSTANCE, id, psz_id );
 254         break;
 255
 256     case VOD_MEDIA_STOP:
 257         i_ret = vlm_ControlInternal( vlm, VLM_STOP_MEDIA_INSTANCE, id, psz_id );
 258         break;
 259
 260     case VOD_MEDIA_SEEK:
 261     {
 262         double d_position = (double)va_arg( args, double );
 263         i_ret = vlm_ControlInternal( vlm, VLM_SET_MEDIA_INSTANCE_POSITION, id, psz_id, d_position/100.0 );
 264         break;
 265     }
 266
 267     case VOD_MEDIA_REWIND:
 268     {
 269         double d_scale = (double)va_arg( args, double );
 270         double d_position;
 271
 272         vlm_ControlInternal( vlm, VLM_GET_MEDIA_INSTANCE_POSITION, id, psz_id, &d_position );
 273         d_position -= (d_scale / 1000.0);
 274         if( d_position < 0.0 )
 275             d_position = 0.0;
 276         i_ret = vlm_ControlInternal( vlm, VLM_SET_MEDIA_INSTANCE_POSITION, id, psz_id, d_position );
 277         break;
 278     }
 279
 280     case VOD_MEDIA_FORWARD:
 281     {
 282         double d_scale = (double)va_arg( args, double );
 283         double d_position;
 284
 285         vlm_ControlInternal( vlm, VLM_GET_MEDIA_INSTANCE_POSITION, id, psz_id, &d_position );
 286         d_position += (d_scale / 1000.0);
 287         if( d_position > 1.0 )
 288             d_position = 1.0;
 289         i_ret = vlm_ControlInternal( vlm, VLM_SET_MEDIA_INSTANCE_POSITION, id, psz_id, d_position );
 290         break;
 291     }
 292
 293     default:
 294         i_ret = VLC_EGENERIC;
 295         break;
 296     }
 297
 298     vlc_mutex_unlock( &vlm->lock );
 299
 300     return i_ret;
 301 }
 302
 303
 304 /*****************************************************************************
 305  * Manage:
 306  *****************************************************************************/
 307 static int Manage( vlc_object_t* p_object )
 308 {
 309     vlm_t *vlm = (vlm_t*)p_object;
 310     int i, j;
 311     mtime_t i_lastcheck;
 312     mtime_t i_time;
 313
 314     i_lastcheck = vlm_Date();
 315
 316     while( !vlm->b_die )
 317     {
 318         char **ppsz_scheduled_commands = NULL;
 319         int    i_scheduled_commands = 0;
 320
 321         vlc_mutex_lock( &vlm->lock );
 322
 323         /* destroy the inputs that wants to die, and launch the next input */
 324         for( i = 0; i < vlm->i_media; i++ )
 325         {
 326             vlm_media_sys_t *p_media = vlm->media[i];
 327
 328             for( j = 0; j < p_media->i_instance; )
 329             {
 330                 vlm_media_instance_sys_t *p_instance = p_media->instance[j];
 331
 332                 if( p_instance->p_input && ( p_instance->p_input->b_eof || p_instance->p_input->b_error ) )
 333                 {
 334                     int i_new_input_index;
 335
 336                     /* */
 337                     i_new_input_index = p_instance->i_index + 1;
 338                     if( !p_media->cfg.b_vod && p_media->cfg.broadcast.b_loop && i_new_input_index >= p_media->cfg.i_input )
 339                         i_new_input_index = 0;
 340
 341                     /* FIXME implement multiple input with VOD */
 342                     if( p_media->cfg.b_vod || i_new_input_index >= p_media->cfg.i_input )
 343                         vlm_ControlInternal( vlm, VLM_STOP_MEDIA_INSTANCE, p_media->cfg.id, p_instance->psz_name );
 344                     else
 345                         vlm_ControlInternal( vlm, VLM_START_MEDIA_BROADCAST_INSTANCE, p_media->cfg.id, p_instance->psz_name, i_new_input_index );
 346
 347                     j = 0;
 348                 }
 349                 else
 350                 {
 351                     j++;
 352                 }
 353             }
 354         }
 355
 356         /* scheduling */
 357         i_time = vlm_Date();
 358
 359         for( i = 0; i < vlm->i_schedule; i++ )
 360         {
 361             mtime_t i_real_date = vlm->schedule[i]->i_date;
 362
 363             if( vlm->schedule[i]->b_enabled == true )
 364             {
 365                 if( vlm->schedule[i]->i_date == 0 ) // now !
 366                 {
 367                     vlm->schedule[i]->i_date = (i_time / 1000000) * 1000000 ;
 368                     i_real_date = i_time;
 369                 }
 370                 else if( vlm->schedule[i]->i_period != 0 )
 371                 {
 372                     int j = 0;
 373                     while( vlm->schedule[i]->i_date + j *
 374                            vlm->schedule[i]->i_period <= i_lastcheck &&
 375                            ( vlm->schedule[i]->i_repeat > j ||
 376                              vlm->schedule[i]->i_repeat == -1 ) )
 377                     {
 378                         j++;
 379                     }
 380
 381                     i_real_date = vlm->schedule[i]->i_date + j *
 382                         vlm->schedule[i]->i_period;
 383                 }
 384
 385                 if( i_real_date <= i_time && i_real_date > i_lastcheck )
 386                 {
 387                     for( j = 0; j < vlm->schedule[i]->i_command; j++ )
 388                     {
 389                         TAB_APPEND( i_scheduled_commands,
 390                                     ppsz_scheduled_commands,
 391                                     strdup(vlm->schedule[i]->command[j] ) );
 392                     }
 393                 }
 394             }
 395         }
 396         while( i_scheduled_commands )
 397         {
 398             vlm_message_t *message = NULL;
 399             char *psz_command = ppsz_scheduled_commands[0];
 400             ExecuteCommand( vlm, psz_command,&message );
 401
 402             /* for now, drop the message */
 403             vlm_MessageDelete( message );
 404             TAB_REMOVE( i_scheduled_commands,
 405                         ppsz_scheduled_commands,
 406                         psz_command );
 407             free( psz_command );
 408         }
 409
 410         i_lastcheck = i_time;
 411
 412         vlc_mutex_unlock( &vlm->lock );
 413
 414         msleep( 100000 );
 415     }
 416
 417     return VLC_SUCCESS;
 418 }
 419
 420 /* New API
 421  */
 422 /*
 423 typedef struct
 424 {
 425     struct
 426     {
 427         int i_connection_count;
 428         int i_connection_active;
 429     } vod;
 430     struct
 431     {
 432         int        i_count;
 433         bool b_playing;
 434         int        i_playing_index;
 435     } broadcast;
 436
 437 } vlm_media_status_t;
 438 */
 439
 440 /* */
 441 static vlm_media_sys_t *vlm_ControlMediaGetById( vlm_t *p_vlm, int64_t id )
 442 {
 443     int i;
 444
 445     for( i = 0; i < p_vlm->i_media; i++ )
 446     {
 447         if( p_vlm->media[i]->cfg.id == id )
 448             return p_vlm->media[i];
 449     }
 450     return NULL;
 451 }
 452 static vlm_media_sys_t *vlm_ControlMediaGetByName( vlm_t *p_vlm, const char *psz_name )
 453 {
 454     int i;
 455
 456     for( i = 0; i < p_vlm->i_media; i++ )
 457     {
 458         if( !strcmp( p_vlm->media[i]->cfg.psz_name, psz_name ) )
 459             return p_vlm->media[i];
 460     }
 461     return NULL;
 462 }
 463 static int vlm_MediaDescriptionCheck( vlm_t *p_vlm, vlm_media_t *p_cfg )
 464 {
 465     int i;
 466
 467     if( !p_cfg || !p_cfg->psz_name ||
 468         !strcmp( p_cfg->psz_name, "all" ) || !strcmp( p_cfg->psz_name, "media" ) || !strcmp( p_cfg->psz_name, "schedule" ) )
 469         return VLC_EGENERIC;
 470
 471     for( i = 0; i < p_vlm->i_media; i++ )
 472     {
 473         if( p_vlm->media[i]->cfg.id == p_cfg->id )
 474             continue;
 475         if( !strcmp( p_vlm->media[i]->cfg.psz_name, p_cfg->psz_name ) )
 476             return VLC_EGENERIC;
 477     }
 478     return VLC_SUCCESS;
 479 }
 480
 481
 482 /* Called after a media description is changed/added */
 483 static int vlm_OnMediaUpdate( vlm_t *p_vlm, vlm_media_sys_t *p_media )
 484 {
 485     vlm_media_t *p_cfg = &p_media->cfg;
 486     /* Check if we need to create/delete a vod media */
 487     if( p_cfg->b_vod )
 488     {
 489         if( !p_cfg->b_enabled && p_media->vod.p_media )
 490         {
 491             p_vlm->p_vod->pf_media_del( p_vlm->p_vod, p_media->vod.p_media );
 492             p_media->vod.p_media = NULL;
 493         }
 494         else if( p_cfg->b_enabled && !p_media->vod.p_media && p_cfg->i_input )
 495         {
 496             /* Pre-parse the input */
 497             input_thread_t *p_input;
 498             char *psz_output;
 499             char *psz_header;
 500             char *psz_dup;
 501             int i;
 502
 503             vlc_gc_decref( p_media->vod.p_item );
 504             p_media->vod.p_item = input_ItemNew( p_vlm, p_cfg->ppsz_input[0],
 505                 p_cfg->psz_name );
 506
 507             if( p_cfg->psz_output )
 508                 asprintf( &psz_output, "%s:description", p_cfg->psz_output );
 509             else
 510                 asprintf( &psz_output, "#description" );
 511
 512             asprintf( &psz_dup, "sout=%s", psz_output);
 513             input_ItemAddOption( p_media->vod.p_item, psz_dup );
 514             free( psz_dup );
 515             for( i = 0; i < p_cfg->i_option; i++ )
 516                 input_ItemAddOption( p_media->vod.p_item,
 517                                      p_cfg->ppsz_option[i] );
 518             input_ItemAddOption( p_media->vod.p_item, "no-sout-keep" );
 519
 520             asprintf( &psz_header, _("Media: %s"), p_cfg->psz_name );
 521
 522             if( (p_input = input_CreateThreadExtended( p_vlm, p_media->vod.p_item, psz_header, NULL ) ) )
 523             {
 524                 while( !p_input->b_eof && !p_input->b_error )
 525                     msleep( 100000 );
 526
 527                 input_StopThread( p_input );
 528                 vlc_object_release( p_input );
 529             }
 530             free( psz_output );
 531             free( psz_header );
 532
 533             if( p_cfg->vod.psz_mux )
 534             {
 535                 input_item_t item;
 536                 es_format_t es, *p_es = &es;
 537                 char fourcc[5];
 538
 539                 sprintf( fourcc, "%4.4s", p_cfg->vod.psz_mux );
 540                 fourcc[0] = tolower(fourcc[0]); fourcc[1] = tolower(fourcc[1]);
 541                 fourcc[2] = tolower(fourcc[2]); fourcc[3] = tolower(fourcc[3]);
 542
 543                 /* XXX: Don't do it that way, but properly use a new input item ref. */
 544                 item = *p_media->vod.p_item;
 545                 item.i_es = 1;
 546                 item.es = &p_es;
 547                 es_format_Init( &es, VIDEO_ES, *((int *)fourcc) );
 548
 549                 p_media->vod.p_media =
 550                     p_vlm->p_vod->pf_media_new( p_vlm->p_vod, p_cfg->psz_name, &item );
 551             }
 552             else
 553             {
 554                 p_media->vod.p_media =
 555                     p_vlm->p_vod->pf_media_new( p_vlm->p_vod, p_cfg->psz_name, p_media->vod.p_item );
 556             }
 557         }
 558     }
 559     else
 560     {
 561         /* TODO start media if needed */
 562     }
 563
 564     /* TODO add support of var vlm_media_broadcast/vlm_media_vod */
 565
 566     return VLC_SUCCESS;
 567 }
 568 static int vlm_ControlMediaChange( vlm_t *p_vlm, vlm_media_t *p_cfg )
 569 {
 570     vlm_media_sys_t *p_media = vlm_ControlMediaGetById( p_vlm, p_cfg->id );
 571
 572     /* */
 573     if( !p_media || vlm_MediaDescriptionCheck( p_vlm, p_cfg ) )
 574         return VLC_EGENERIC;
 575     if( ( p_media->cfg.b_vod && !p_cfg->b_vod ) || ( !p_media->cfg.b_vod && p_cfg->b_vod ) )
 576         return VLC_EGENERIC;
 577
 578     if( 0 )
 579     {
 580         /* TODO check what are the changes being done (stop instance if needed) */
 581     }
 582
 583     vlm_media_Clean( &p_media->cfg );
 584     vlm_media_Copy( &p_media->cfg, p_cfg );
 585
 586     return vlm_OnMediaUpdate( p_vlm, p_media );
 587 }
 588
 589 static int vlm_ControlMediaAdd( vlm_t *p_vlm, vlm_media_t *p_cfg, int64_t *p_id )
 590 {
 591     vlm_media_sys_t *p_media;
 592
 593     if( vlm_MediaDescriptionCheck( p_vlm, p_cfg ) || vlm_ControlMediaGetByName( p_vlm, p_cfg->psz_name ) )
 594     {
 595         msg_Err( p_vlm, "invalid media description" );
 596         return VLC_EGENERIC;
 597     }
 598     /* Check if we need to load the VOD server */
 599     if( p_cfg->b_vod && !p_vlm->i_vod )
 600     {
 601         p_vlm->p_vod = vlc_custom_create( VLC_OBJECT(p_vlm), sizeof( vod_t ),
 602                                           VLC_OBJECT_GENERIC, "vod server" );
 603         vlc_object_attach( p_vlm->p_vod, p_vlm );
 604         p_vlm->p_vod->p_module = module_Need( p_vlm->p_vod, "vod server", 0, 0 );
 605         if( !p_vlm->p_vod->p_module )
 606         {
 607             msg_Err( p_vlm, "cannot find vod server" );
 608             vlc_object_detach( p_vlm->p_vod );
 609             vlc_object_release( p_vlm->p_vod );
 610             p_vlm->p_vod = 0;
 611             return VLC_EGENERIC;
 612         }
 613
 614         p_vlm->p_vod->p_data = p_vlm;
 615         p_vlm->p_vod->pf_media_control = vlm_MediaVodControl;
 616     }
 617
 618     p_media = malloc( sizeof( vlm_media_sys_t ) );
 619     if( !p_media )
 620     {
 621         msg_Err( p_vlm, "out of memory" );
 622         return VLC_ENOMEM;
 623     }
 624     memset( p_media, 0, sizeof(vlm_media_sys_t) );
 625
 626     if( p_cfg->b_vod )
 627         p_vlm->i_vod++;
 628
 629     vlm_media_Copy( &p_media->cfg, p_cfg );
 630     p_media->cfg.id = p_vlm->i_id++;
 631     /* FIXME do we do something here if enabled is true ? */
 632
 633     p_media->vod.p_item = input_ItemNew( p_vlm, NULL, NULL );
 634
 635     p_media->vod.p_media = NULL;
 636     TAB_INIT( p_media->i_instance, p_media->instance );
 637
 638     /* */
 639     TAB_APPEND( p_vlm->i_media, p_vlm->media, p_media );
 640
 641     if( p_id )
 642         *p_id = p_media->cfg.id;
 643
 644     return vlm_OnMediaUpdate( p_vlm, p_media );
 645 }
 646
 647 static int vlm_ControlMediaDel( vlm_t *p_vlm, int64_t id )
 648 {
 649     vlm_media_sys_t *p_media = vlm_ControlMediaGetById( p_vlm, id );
 650
 651     if( !p_media )
 652         return VLC_EGENERIC;
 653
 654     while( p_media->i_instance > 0 )
 655         vlm_ControlInternal( p_vlm, VLM_STOP_MEDIA_INSTANCE, id, p_media->instance[0]->psz_name );
 656
 657     if( p_media->cfg.b_vod )
 658     {
 659         p_media->cfg.b_enabled = false;
 660         vlm_OnMediaUpdate( p_vlm, p_media );
 661         p_vlm->i_vod--;
 662     }
 663
 664     vlm_media_Clean( &p_media->cfg );
 665
 666     vlc_gc_decref( p_media->vod.p_item );
 667
 668     TAB_REMOVE( p_vlm->i_media, p_vlm->media, p_media );
 669
 670     free( p_media );
 671
 672     /* Check if we need to unload the VOD server */
 673     if( p_vlm->p_vod && p_vlm->i_vod <= 0 )
 674     {
 675         module_Unneed( p_vlm->p_vod, p_vlm->p_vod->p_module );
 676         vlc_object_detach( p_vlm->p_vod );
 677         vlc_object_release( p_vlm->p_vod );
 678         p_vlm->p_vod = NULL;
 679     }
 680     return VLC_SUCCESS;
 681 }
 682
 683 static int vlm_ControlMediaGets( vlm_t *p_vlm, vlm_media_t ***ppp_dsc, int *pi_dsc )
 684 {
 685     vlm_media_t **pp_dsc;
 686     int                     i_dsc;
 687     int i;
 688
 689     TAB_INIT( i_dsc, pp_dsc );
 690     for( i = 0; i < p_vlm->i_media; i++ )
 691     {
 692         vlm_media_t *p_dsc = vlm_media_Duplicate( &p_vlm->media[i]->cfg );
 693         TAB_APPEND( i_dsc, pp_dsc, p_dsc );
 694     }
 695
 696     *ppp_dsc = pp_dsc;
 697     *pi_dsc = i_dsc;
 698
 699     return VLC_SUCCESS;
 700 }
 701 static int vlm_ControlMediaClear( vlm_t *p_vlm )
 702 {
 703     while( p_vlm->i_media > 0 )
 704         vlm_ControlMediaDel( p_vlm, p_vlm->media[0]->cfg.id );
 705
 706     return VLC_SUCCESS;
 707 }
 708 static int vlm_ControlMediaGet( vlm_t *p_vlm, int64_t id, vlm_media_t **pp_dsc )
 709 {
 710     vlm_media_sys_t *p_media = vlm_ControlMediaGetById( p_vlm, id );
 711     if( !p_media )
 712         return VLC_EGENERIC;
 713
 714     *pp_dsc = vlm_media_Duplicate( &p_media->cfg );
 715     return VLC_SUCCESS;
 716 }
 717 static int vlm_ControlMediaGetId( vlm_t *p_vlm, const char *psz_name, int64_t *p_id )
 718 {
 719     vlm_media_sys_t *p_media = vlm_ControlMediaGetByName( p_vlm, psz_name );
 720     if( !p_media )
 721         return VLC_EGENERIC;
 722
 723     *p_id = p_media->cfg.id;
 724     return VLC_SUCCESS;
 725 }
 726
 727 static vlm_media_instance_sys_t *vlm_ControlMediaInstanceGetByName( vlm_media_sys_t *p_media, const char *psz_id )
 728 {
 729     int i;
 730
 731     for( i = 0; i < p_media->i_instance; i++ )
 732     {
 733         const char *psz = p_media->instance[i]->psz_name;
 734         if( ( psz == NULL && psz_id == NULL ) ||
 735             ( psz && psz_id && !strcmp( psz, psz_id ) ) )
 736             return p_media->instance[i];
 737     }
 738     return NULL;
 739 }
 740 static vlm_media_instance_sys_t *vlm_MediaInstanceNew( vlm_t *p_vlm, const char *psz_name )
 741 {
 742     vlm_media_instance_sys_t *p_instance = malloc( sizeof(vlm_media_instance_sys_t) );
 743     if( !p_instance )
 744         return NULL;
 745
 746     memset( p_instance, 0, sizeof(vlm_media_instance_sys_t) );
 747
 748     p_instance->psz_name = NULL;
 749     if( psz_name )
 750         p_instance->psz_name = strdup( psz_name );
 751
 752     p_instance->p_item = input_ItemNew( p_vlm, NULL, NULL );
 753
 754     p_instance->i_index = 0;
 755     p_instance->b_sout_keep = false;
 756     p_instance->p_input = NULL;
 757     p_instance->p_sout = NULL;
 758
 759     return p_instance;
 760 }
 761 static void vlm_MediaInstanceDelete( vlm_media_instance_sys_t *p_instance )
 762 {
 763     if( p_instance->p_input )
 764     {
 765         input_StopThread( p_instance->p_input );
 766         p_instance->p_sout = input_DetachSout( p_instance->p_input );
 767         vlc_object_release( p_instance->p_input );
 768     }
 769     if( p_instance->p_sout )
 770         sout_DeleteInstance( p_instance->p_sout );
 771
 772     vlc_gc_decref( p_instance->p_item );
 773     free( p_instance->psz_name );
 774     free( p_instance );
 775 }
 776
 777
 778 static int vlm_ControlMediaInstanceStart( vlm_t *p_vlm, int64_t id, const char *psz_id, int i_input_index, const char *psz_vod_output )
 779 {
 780     vlm_media_sys_t *p_media = vlm_ControlMediaGetById( p_vlm, id );
 781     vlm_media_instance_sys_t *p_instance;
 782     char *psz_log;
 783
 784     if( !p_media || !p_media->cfg.b_enabled || p_media->cfg.i_input <= 0 )
 785         return VLC_EGENERIC;
 786
 787     /* TODO support multiple input for VOD with sout-keep ? */
 788
 789     if( ( p_media->cfg.b_vod && !psz_vod_output ) || ( !p_media->cfg.b_vod && psz_vod_output ) )
 790         return VLC_EGENERIC;
 791
 792     if( i_input_index < 0 || i_input_index >= p_media->cfg.i_input )
 793         return VLC_EGENERIC;
 794
 795     p_instance = vlm_ControlMediaInstanceGetByName( p_media, psz_id );
 796     if( !p_instance )
 797     {
 798         vlm_media_t *p_cfg = &p_media->cfg;
 799         const char *psz_keep;
 800         int i;
 801
 802         p_instance = vlm_MediaInstanceNew( p_vlm, psz_id );
 803         if( !p_instance )
 804             return VLC_ENOMEM;
 805
 806         if( p_cfg->psz_output != NULL || psz_vod_output != NULL )
 807         {
 808             char *psz_buffer;
 809             asprintf( &psz_buffer, "sout=%s%s%s",
 810                       p_cfg->psz_output ? p_cfg->psz_output : "",
 811                       (p_cfg->psz_output && psz_vod_output) ? ":" : psz_vod_output ? "#" : "",
 812                       psz_vod_output ? psz_vod_output : "" );
 813             input_ItemAddOption( p_instance->p_item, psz_buffer );
 814             free( psz_buffer );
 815         }
 816
 817         for( i = 0; i < p_cfg->i_option; i++ )
 818         {
 819             if( !strcmp( p_cfg->ppsz_option[i], "sout-keep" ) )
 820                 p_instance->b_sout_keep = true;
 821             else if( !strcmp( p_cfg->ppsz_option[i], "nosout-keep" ) || !strcmp( p_cfg->ppsz_option[i], "no-sout-keep" ) )
 822                 p_instance->b_sout_keep = false;
 823             else
 824                 input_ItemAddOption( p_instance->p_item, p_cfg->ppsz_option[i] );
 825         }
 826         /* We force the right sout-keep value (avoid using the sout-keep from the global configuration)
 827          * FIXME implement input list for VOD (need sout-keep)
 828          * */
 829         if( !p_cfg->b_vod && p_instance->b_sout_keep )
 830             psz_keep = "sout-keep";
 831         else
 832             psz_keep = "no-sout-keep";
 833         input_ItemAddOption( p_instance->p_item, psz_keep );
 834
 835         TAB_APPEND( p_media->i_instance, p_media->instance, p_instance );
 836     }
 837
 838     /* Stop old instance */
 839     if( p_instance->p_input )
 840     {
 841         if( p_instance->i_index == i_input_index &&
 842             !p_instance->p_input->b_eof && !p_instance->p_input->b_error )
 843         {
 844             if( var_GetInteger( p_instance->p_input, "state" ) == PAUSE_S )
 845                 var_SetInteger( p_instance->p_input, "state",  PLAYING_S );
 846             return VLC_SUCCESS;
 847         }
 848
 849         input_StopThread( p_instance->p_input );
 850         p_instance->p_sout = input_DetachSout( p_instance->p_input );
 851         vlc_object_release( p_instance->p_input );
 852         if( !p_instance->b_sout_keep && p_instance->p_sout )
 853         {
 854             sout_DeleteInstance( p_instance->p_sout );
 855             p_instance->p_sout = NULL;
 856         }
 857     }
 858
 859     /* Start new one */
 860     p_instance->i_index = i_input_index;
 861     input_item_SetURI( p_instance->p_item, p_media->cfg.ppsz_input[p_instance->i_index] ) ;
 862
 863     asprintf( &psz_log, _("Media: %s"), p_media->cfg.psz_name );
 864     p_instance->p_input = input_CreateThreadExtended( p_vlm, p_instance->p_item, psz_log, p_instance->p_sout );
 865     if( !p_instance->p_input )
 866     {
 867         TAB_REMOVE( p_media->i_instance, p_media->instance, p_instance );
 868         vlm_MediaInstanceDelete( p_instance );
 869     }
 870     free( psz_log );
 871
 872     return VLC_SUCCESS;
 873 }
 874
 875 static int vlm_ControlMediaInstanceStop( vlm_t *p_vlm, int64_t id, const char *psz_id )
 876 {
 877     vlm_media_sys_t *p_media = vlm_ControlMediaGetById( p_vlm, id );
 878     vlm_media_instance_sys_t *p_instance;
 879
 880     if( !p_media )
 881         return VLC_EGENERIC;
 882
 883     p_instance = vlm_ControlMediaInstanceGetByName( p_media, psz_id );
 884     if( !p_instance )
 885         return VLC_EGENERIC;
 886
 887     TAB_REMOVE( p_media->i_instance, p_media->instance, p_instance );
 888
 889     vlm_MediaInstanceDelete( p_instance );
 890
 891     return VLC_SUCCESS;
 892 }
 893 static int vlm_ControlMediaInstancePause( vlm_t *p_vlm, int64_t id, const char *psz_id )
 894 {
 895     vlm_media_sys_t *p_media = vlm_ControlMediaGetById( p_vlm, id );
 896     vlm_media_instance_sys_t *p_instance;
 897     int i_state;
 898
 899     if( !p_media )
 900         return VLC_EGENERIC;
 901
 902     p_instance = vlm_ControlMediaInstanceGetByName( p_media, psz_id );
 903     if( !p_instance || !p_instance->p_input )
 904         return VLC_EGENERIC;
 905
 906     /* Toggle pause state */
 907     i_state = var_GetInteger( p_instance->p_input, "state" );
 908     if( i_state == PAUSE_S )
 909         var_SetInteger( p_instance->p_input, "state", PLAYING_S );
 910     else if( i_state == PLAYING_S )
 911         var_SetInteger( p_instance->p_input, "state", PAUSE_S );
 912     return VLC_SUCCESS;
 913 }
 914 static int vlm_ControlMediaInstanceGetTimePosition( vlm_t *p_vlm, int64_t id, const char *psz_id, int64_t *pi_time, double *pd_position )
 915 {
 916     vlm_media_sys_t *p_media = vlm_ControlMediaGetById( p_vlm, id );
 917     vlm_media_instance_sys_t *p_instance;
 918
 919     if( !p_media )
 920         return VLC_EGENERIC;
 921
 922     p_instance = vlm_ControlMediaInstanceGetByName( p_media, psz_id );
 923     if( !p_instance || !p_instance->p_input )
 924         return VLC_EGENERIC;
 925
 926     if( pi_time )
 927         *pi_time = var_GetTime( p_instance->p_input, "time" );
 928     if( pd_position )
 929         *pd_position = var_GetFloat( p_instance->p_input, "position" );
 930     return VLC_SUCCESS;
 931 }
 932 static int vlm_ControlMediaInstanceSetTimePosition( vlm_t *p_vlm, int64_t id, const char *psz_id, int64_t i_time, double d_position )
 933 {
 934     vlm_media_sys_t *p_media = vlm_ControlMediaGetById( p_vlm, id );
 935     vlm_media_instance_sys_t *p_instance;
 936
 937     if( !p_media )
 938         return VLC_EGENERIC;
 939
 940     p_instance = vlm_ControlMediaInstanceGetByName( p_media, psz_id );
 941     if( !p_instance || !p_instance->p_input )
 942         return VLC_EGENERIC;
 943
 944     if( i_time >= 0 )
 945         return var_SetTime( p_instance->p_input, "time", i_time );
 946     else if( d_position >= 0 && d_position <= 100 )
 947         return var_SetFloat( p_instance->p_input, "position", d_position );
 948     return VLC_EGENERIC;
 949 }
 950
 951 static int vlm_ControlMediaInstanceGets( vlm_t *p_vlm, int64_t id, vlm_media_instance_t ***ppp_idsc, int *pi_instance )
 952 {
 953     vlm_media_sys_t *p_media = vlm_ControlMediaGetById( p_vlm, id );
 954     vlm_media_instance_t **pp_idsc;
 955     int                              i_idsc;
 956     int i;
 957
 958     if( !p_media )
 959         return VLC_EGENERIC;
 960
 961     TAB_INIT( i_idsc, pp_idsc );
 962     for( i = 0; i < p_media->i_instance; i++ )
 963     {
 964         vlm_media_instance_sys_t *p_instance = p_media->instance[i];
 965         vlm_media_instance_t *p_idsc = vlm_media_instance_New();
 966
 967         if( p_instance->psz_name )
 968             p_idsc->psz_name = strdup( p_instance->psz_name );
 969         if( p_instance->p_input )
 970         {
 971             p_idsc->i_time = var_GetTime( p_instance->p_input, "time" );
 972             p_idsc->i_length = var_GetTime( p_instance->p_input, "length" );
 973             p_idsc->d_position = var_GetFloat( p_instance->p_input, "position" );
 974             if( var_GetInteger( p_instance->p_input, "state" ) == PAUSE_S )
 975                 p_idsc->b_paused = true;
 976             p_idsc->i_rate = var_GetInteger( p_instance->p_input, "rate" );
 977         }
 978
 979         TAB_APPEND( i_idsc, pp_idsc, p_idsc );
 980     }
 981     *ppp_idsc = pp_idsc;
 982     *pi_instance = i_idsc;
 983     return VLC_SUCCESS;
 984 }
 985
 986 static int vlm_ControlMediaInstanceClear( vlm_t *p_vlm, int64_t id )
 987 {
 988     vlm_media_sys_t *p_media = vlm_ControlMediaGetById( p_vlm, id );
 989
 990     if( !p_media )
 991         return VLC_EGENERIC;
 992
 993     while( p_media->i_instance > 0 )
 994         vlm_ControlMediaInstanceStop( p_vlm, id, p_media->instance[0]->psz_name );
 995
 996     return VLC_SUCCESS;
 997 }
 998
 999 static int vlm_ControlScheduleClear( vlm_t *p_vlm )
1000 {
1001     while( p_vlm->i_schedule > 0 )
1002         vlm_ScheduleDelete( p_vlm, p_vlm->schedule[0] );
1003
1004     return VLC_SUCCESS;
1005 }
1006
1007 static int vlm_vaControlInternal( vlm_t *p_vlm, int i_query, va_list args )
1008 {
1009     vlm_media_t *p_dsc;
1010     vlm_media_t **pp_dsc;
1011     vlm_media_t ***ppp_dsc;
1012     vlm_media_instance_t ***ppp_idsc;
1013     const char *psz_id;
1014     const char *psz_vod;
1015     int64_t *p_id;
1016     int64_t id;
1017     int i_int;
1018     int *pi_int;
1019
1020     int64_t *pi_i64;
1021     int64_t i_i64;
1022     double *pd_double;
1023     double d_double;
1024
1025     switch( i_query )
1026     {
1027     /* Media control */
1028     case VLM_GET_MEDIAS:
1029         ppp_dsc = (vlm_media_t ***)va_arg( args, vlm_media_t *** );
1030         pi_int = (int *)va_arg( args, int * );
1031         return vlm_ControlMediaGets( p_vlm, ppp_dsc, pi_int );
1032
1033     case VLM_CLEAR_MEDIAS:
1034         return vlm_ControlMediaClear( p_vlm );
1035
1036     case VLM_CHANGE_MEDIA:
1037         p_dsc = (vlm_media_t*)va_arg( args, vlm_media_t * );
1038         return vlm_ControlMediaChange( p_vlm, p_dsc );
1039
1040     case VLM_ADD_MEDIA:
1041         p_dsc = (vlm_media_t*)va_arg( args, vlm_media_t * );
1042         p_id = (int64_t*)va_arg( args, int64_t * );
1043         return vlm_ControlMediaAdd( p_vlm, p_dsc, p_id );
1044
1045     case VLM_DEL_MEDIA:
1046         id = (int64_t)va_arg( args, int64_t );
1047         return vlm_ControlMediaDel( p_vlm, id );
1048
1049     case VLM_GET_MEDIA:
1050         id = (int64_t)va_arg( args, int64_t );
1051         pp_dsc = (vlm_media_t **)va_arg( args, vlm_media_t ** );
1052         return vlm_ControlMediaGet( p_vlm, id, pp_dsc );
1053
1054     case VLM_GET_MEDIA_ID:
1055         psz_id = (const char*)va_arg( args, const char * );
1056         p_id = (int64_t*)va_arg( args, int64_t * );
1057         return vlm_ControlMediaGetId( p_vlm, psz_id, p_id );
1058
1059
1060     /* Media instance control */
1061     case VLM_GET_MEDIA_INSTANCES:
1062         id = (int64_t)va_arg( args, int64_t );
1063         ppp_idsc = (vlm_media_instance_t ***)va_arg( args, vlm_media_instance_t *** );
1064         pi_int = (int *)va_arg( args, int *);
1065         return vlm_ControlMediaInstanceGets( p_vlm, id, ppp_idsc, pi_int );
1066
1067     case VLM_CLEAR_MEDIA_INSTANCES:
1068         id = (int64_t)va_arg( args, int64_t );
1069         return vlm_ControlMediaInstanceClear( p_vlm, id );
1070
1071
1072     case VLM_START_MEDIA_BROADCAST_INSTANCE:
1073         id = (int64_t)va_arg( args, int64_t );
1074         psz_id = (const char*)va_arg( args, const char* );
1075         i_int = (int)va_arg( args, int );
1076         return vlm_ControlMediaInstanceStart( p_vlm, id, psz_id, i_int, NULL );
1077
1078     case VLM_START_MEDIA_VOD_INSTANCE:
1079         id = (int64_t)va_arg( args, int64_t );
1080         psz_id = (const char*)va_arg( args, const char* );
1081         i_int = (int)va_arg( args, int );
1082         psz_vod = (const char*)va_arg( args, const char* );
1083         if( !psz_vod )
1084             return VLC_EGENERIC;
1085         return vlm_ControlMediaInstanceStart( p_vlm, id, psz_id, i_int, psz_vod );
1086
1087     case VLM_STOP_MEDIA_INSTANCE:
1088         id = (int64_t)va_arg( args, int64_t );
1089         psz_id = (const char*)va_arg( args, const char* );
1090         return vlm_ControlMediaInstanceStop( p_vlm, id, psz_id );
1091
1092     case VLM_PAUSE_MEDIA_INSTANCE:
1093         id = (int64_t)va_arg( args, int64_t );
1094         psz_id = (const char*)va_arg( args, const char* );
1095         return vlm_ControlMediaInstancePause( p_vlm, id, psz_id );
1096
1097     case VLM_GET_MEDIA_INSTANCE_TIME:
1098         id = (int64_t)va_arg( args, int64_t );
1099         psz_id = (const char*)va_arg( args, const char* );
1100         pi_i64 = (int64_t*)va_arg( args, int64_t * );
1101         return vlm_ControlMediaInstanceGetTimePosition( p_vlm, id, psz_id, pi_i64, NULL );
1102     case VLM_GET_MEDIA_INSTANCE_POSITION:
1103         id = (int64_t)va_arg( args, int64_t );
1104         psz_id = (const char*)va_arg( args, const char* );
1105         pd_double = (double*)va_arg( args, double* );
1106         return vlm_ControlMediaInstanceGetTimePosition( p_vlm, id, psz_id, NULL, pd_double );
1107
1108     case VLM_SET_MEDIA_INSTANCE_TIME:
1109         id = (int64_t)va_arg( args, int64_t );
1110         psz_id = (const char*)va_arg( args, const char* );
1111         i_i64 = (int64_t)va_arg( args, int64_t);
1112         return vlm_ControlMediaInstanceSetTimePosition( p_vlm, id, psz_id, i_i64, -1 );
1113     case VLM_SET_MEDIA_INSTANCE_POSITION:
1114         id = (int64_t)va_arg( args, int64_t );
1115         psz_id = (const char*)va_arg( args, const char* );
1116         d_double = (double)va_arg( args, double );
1117         return vlm_ControlMediaInstanceSetTimePosition( p_vlm, id, psz_id, -1, d_double );
1118
1119     case VLM_CLEAR_SCHEDULES:
1120         return vlm_ControlScheduleClear( p_vlm );
1121
1122     default:
1123         msg_Err( p_vlm, "unknown VLM query" );
1124         return VLC_EGENERIC;
1125     }
1126 }
1127
1128 int vlm_ControlInternal( vlm_t *p_vlm, int i_query, ... )
1129 {
1130     va_list args;
1131     int     i_result;
1132
1133     va_start( args, i_query );
1134     i_result = vlm_vaControlInternal( p_vlm, i_query, args );
1135     va_end( args );
1136
1137     return i_result;
1138 }
1139
1140 int vlm_Control( vlm_t *p_vlm, int i_query, ... )
1141 {
1142     va_list args;
1143     int     i_result;
1144
1145     va_start( args, i_query );
1146
1147     vlc_mutex_lock( &p_vlm->lock );
1148     i_result = vlm_vaControlInternal( p_vlm, i_query, args );
1149     vlc_mutex_unlock( &p_vlm->lock );
1150
1151     va_end( args );
1152
1153     return i_result;
1154 }
1155
1156 #else /* ENABLE_VLM */
1157
1158 /* We just define an empty wrapper */
1159 vlm_t *__vlm_New( vlc_object_t *a )
1160 {
1161     msg_Err( a, "VideoLAN manager support is disabled" );
1162     return NULL;
1163 }
1164
1165 void vlm_Delete( vlm_t *a )
1166 {
1167     (void)a;
1168 }
1169
1170 int vlm_ExecuteCommand( vlm_t *a, const char *b, vlm_message_t **c )
1171 {
1172     abort();
1173 }
1174
1175 vlm_message_t *vlm_MessageNew( const char *psz_name,
1176                                const char *psz_format, ... )
1177 {
1178     (void)psz_name; (void)psz_format;
1179     return NULL;
1180 }
1181
1182 vlm_message_t *vlm_MessageAdd( vlm_message_t *p_message,
1183                                vlm_message_t *p_child )
1184 {
1185     abort();
1186 }
1187
1188 void vlm_MessageDelete( vlm_message_t *a )
1189 {
1190     (void)a;
1191 }
1192
1193 int vlm_Control( vlm_t *p_vlm, int i_query, ... )
1194 {
1195     (void)p_vlm; (void)i_query;
1196     return VLC_EGENERIC;
1197 }
1198
1199 #endif /* ENABLE_VLM */