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