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 int Manage( vlc_object_t * );
  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_thread_create( p_vlm, "vlm thread",
 112                            Manage, VLC_THREAD_PRIORITY_LOW, false ) )
 113     {
 114         vlc_mutex_destroy( &p_vlm->lock );
 115         vlc_object_release( p_vlm );
 116         return NULL;
 117     }
 118
 119     /* Load our configuration file */
 120     psz_vlmconf = var_CreateGetString( p_vlm, "vlm-conf" );
 121     if( psz_vlmconf && *psz_vlmconf )
 122     {
 123         vlm_message_t *p_message = NULL;
 124         char *psz_buffer = NULL;
 125
 126         msg_Dbg( p_this, "loading VLM configuration" );
 127         if( asprintf(&psz_buffer, "load %s", psz_vlmconf ) == -1 )
 128             psz_buffer = NULL;
 129         if( psz_buffer )
 130         {
 131             msg_Dbg( p_this, psz_buffer );
 132             if( vlm_ExecuteCommand( p_vlm, psz_buffer, &p_message ) )
 133                 msg_Warn( p_this, "error while loading the configuration file" );
 134
 135             vlm_MessageDelete(p_message);
 136             free(psz_buffer);
 137         }
 138     }
 139     free(psz_vlmconf);
 140
 141     vlc_object_set_destructor( p_vlm, (vlc_destructor_t)vlm_Destructor );
 142     *pp_vlm = p_vlm; /* for future reference */
 143     vlc_mutex_unlock( lockval.p_address );
 144
 145     return p_vlm;
 146 }
 147
 148 /*****************************************************************************
 149  * vlm_Delete:
 150  *****************************************************************************/
 151 void vlm_Delete( vlm_t *p_vlm )
 152 {
 153     vlc_value_t lockval;
 154
 155     /* vlm_Delete() is serialized against itself, and against vlm_New().
 156      * This way, vlm_Destructor () (called from vlc_objet_release() above)
 157      * is serialized against setting libvlc_priv->p_vlm from vlm_New(). */
 158     var_Get( p_vlm->p_libvlc, "vlm_mutex", &lockval );
 159     vlc_mutex_lock( lockval.p_address );
 160     vlc_object_release( p_vlm );
 161     vlc_mutex_unlock( lockval.p_address );
 162 }
 163
 164 /*****************************************************************************
 165  * vlm_Destructor:
 166  *****************************************************************************/
 167 static void vlm_Destructor( vlm_t *p_vlm )
 168 {
 169     libvlc_priv (p_vlm->p_libvlc)->p_vlm = NULL;
 170
 171     vlm_ControlInternal( p_vlm, VLM_CLEAR_MEDIAS );
 172     TAB_CLEAN( p_vlm->i_media, p_vlm->media );
 173
 174     vlm_ControlInternal( p_vlm, VLM_CLEAR_SCHEDULES );
 175     TAB_CLEAN( p_vlm->schedule, p_vlm->schedule );
 176
 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 int Manage( vlc_object_t* 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     i_lastcheck = vlm_Date();
 313
 314     while( !vlm->b_die )
 315     {
 316         char **ppsz_scheduled_commands = NULL;
 317         int    i_scheduled_commands = 0;
 318
 319         vlc_mutex_lock( &vlm->lock );
 320
 321         /* destroy the inputs that wants to die, and launch the next input */
 322         for( i = 0; i < vlm->i_media; i++ )
 323         {
 324             vlm_media_sys_t *p_media = vlm->media[i];
 325
 326             for( j = 0; j < p_media->i_instance; )
 327             {
 328                 vlm_media_instance_sys_t *p_instance = p_media->instance[j];
 329
 330                 if( p_instance->p_input && ( p_instance->p_input->b_eof || p_instance->p_input->b_error ) )
 331                 {
 332                     int i_new_input_index;
 333
 334                     /* */
 335                     i_new_input_index = p_instance->i_index + 1;
 336                     if( !p_media->cfg.b_vod && p_media->cfg.broadcast.b_loop && i_new_input_index >= p_media->cfg.i_input )
 337                         i_new_input_index = 0;
 338
 339                     /* FIXME implement multiple input with VOD */
 340                     if( p_media->cfg.b_vod || i_new_input_index >= p_media->cfg.i_input )
 341                         vlm_ControlInternal( vlm, VLM_STOP_MEDIA_INSTANCE, p_media->cfg.id, p_instance->psz_name );
 342                     else
 343                         vlm_ControlInternal( vlm, VLM_START_MEDIA_BROADCAST_INSTANCE, p_media->cfg.id, p_instance->psz_name, i_new_input_index );
 344
 345                     j = 0;
 346                 }
 347                 else
 348                 {
 349                     j++;
 350                 }
 351             }
 352         }
 353
 354         /* scheduling */
 355         i_time = vlm_Date();
 356
 357         for( i = 0; i < vlm->i_schedule; i++ )
 358         {
 359             mtime_t i_real_date = vlm->schedule[i]->i_date;
 360
 361             if( vlm->schedule[i]->b_enabled == true )
 362             {
 363                 if( vlm->schedule[i]->i_date == 0 ) // now !
 364                 {
 365                     vlm->schedule[i]->i_date = (i_time / 1000000) * 1000000 ;
 366                     i_real_date = i_time;
 367                 }
 368                 else if( vlm->schedule[i]->i_period != 0 )
 369                 {
 370                     int j = 0;
 371                     while( vlm->schedule[i]->i_date + j *
 372                            vlm->schedule[i]->i_period <= i_lastcheck &&
 373                            ( vlm->schedule[i]->i_repeat > j ||
 374                              vlm->schedule[i]->i_repeat == -1 ) )
 375                     {
 376                         j++;
 377                     }
 378
 379                     i_real_date = vlm->schedule[i]->i_date + j *
 380                         vlm->schedule[i]->i_period;
 381                 }
 382
 383                 if( i_real_date <= i_time && i_real_date > i_lastcheck )
 384                 {
 385                     for( j = 0; j < vlm->schedule[i]->i_command; j++ )
 386                     {
 387                         TAB_APPEND( i_scheduled_commands,
 388                                     ppsz_scheduled_commands,
 389                                     strdup(vlm->schedule[i]->command[j] ) );
 390                     }
 391                 }
 392             }
 393         }
 394         while( i_scheduled_commands )
 395         {
 396             vlm_message_t *message = NULL;
 397             char *psz_command = ppsz_scheduled_commands[0];
 398             ExecuteCommand( vlm, psz_command,&message );
 399
 400             /* for now, drop the message */
 401             vlm_MessageDelete( message );
 402             TAB_REMOVE( i_scheduled_commands,
 403                         ppsz_scheduled_commands,
 404                         psz_command );
 405             free( psz_command );
 406         }
 407
 408         i_lastcheck = i_time;
 409
 410         vlc_mutex_unlock( &vlm->lock );
 411
 412         msleep( 100000 );
 413     }
 414
 415     return VLC_SUCCESS;
 416 }
 417
 418 /* New API
 419  */
 420 /*
 421 typedef struct
 422 {
 423     struct
 424     {
 425         int i_connection_count;
 426         int i_connection_active;
 427     } vod;
 428     struct
 429     {
 430         int        i_count;
 431         bool b_playing;
 432         int        i_playing_index;
 433     } broadcast;
 434
 435 } vlm_media_status_t;
 436 */
 437
 438 /* */
 439 static vlm_media_sys_t *vlm_ControlMediaGetById( vlm_t *p_vlm, int64_t id )
 440 {
 441     int i;
 442
 443     for( i = 0; i < p_vlm->i_media; i++ )
 444     {
 445         if( p_vlm->media[i]->cfg.id == id )
 446             return p_vlm->media[i];
 447     }
 448     return NULL;
 449 }
 450 static vlm_media_sys_t *vlm_ControlMediaGetByName( vlm_t *p_vlm, const char *psz_name )
 451 {
 452     int i;
 453
 454     for( i = 0; i < p_vlm->i_media; i++ )
 455     {
 456         if( !strcmp( p_vlm->media[i]->cfg.psz_name, psz_name ) )
 457             return p_vlm->media[i];
 458     }
 459     return NULL;
 460 }
 461 static int vlm_MediaDescriptionCheck( vlm_t *p_vlm, vlm_media_t *p_cfg )
 462 {
 463     int i;
 464
 465     if( !p_cfg || !p_cfg->psz_name ||
 466         !strcmp( p_cfg->psz_name, "all" ) || !strcmp( p_cfg->psz_name, "media" ) || !strcmp( p_cfg->psz_name, "schedule" ) )
 467         return VLC_EGENERIC;
 468
 469     for( i = 0; i < p_vlm->i_media; i++ )
 470     {
 471         if( p_vlm->media[i]->cfg.id == p_cfg->id )
 472             continue;
 473         if( !strcmp( p_vlm->media[i]->cfg.psz_name, p_cfg->psz_name ) )
 474             return VLC_EGENERIC;
 475     }
 476     return VLC_SUCCESS;
 477 }
 478
 479
 480 /* Called after a media description is changed/added */
 481 static int vlm_OnMediaUpdate( vlm_t *p_vlm, vlm_media_sys_t *p_media )
 482 {
 483     vlm_media_t *p_cfg = &p_media->cfg;
 484     /* Check if we need to create/delete a vod media */
 485     if( p_cfg->b_vod )
 486     {
 487         if( !p_cfg->b_enabled && p_media->vod.p_media )
 488         {
 489             p_vlm->p_vod->pf_media_del( p_vlm->p_vod, p_media->vod.p_media );
 490             p_media->vod.p_media = NULL;
 491         }
 492         else if( p_cfg->b_enabled && !p_media->vod.p_media && p_cfg->i_input )
 493         {
 494             /* Pre-parse the input */
 495             input_thread_t *p_input;
 496             char *psz_output;
 497             char *psz_header;
 498             char *psz_dup;
 499             int i;
 500
 501             vlc_gc_decref( p_media->vod.p_item );
 502             p_media->vod.p_item = input_ItemNew( p_vlm, p_cfg->ppsz_input[0],
 503                 p_cfg->psz_name );
 504
 505             if( p_cfg->psz_output )
 506                 asprintf( &psz_output, "%s:description", p_cfg->psz_output );
 507             else
 508                 asprintf( &psz_output, "#description" );
 509
 510             asprintf( &psz_dup, "sout=%s", psz_output);
 511             input_ItemAddOption( p_media->vod.p_item, psz_dup );
 512             free( psz_dup );
 513             for( i = 0; i < p_cfg->i_option; i++ )
 514                 input_ItemAddOption( p_media->vod.p_item,
 515                                      p_cfg->ppsz_option[i] );
 516
 517             asprintf( &psz_header, _("Media: %s"), p_cfg->psz_name );
 518
 519             if( (p_input = input_CreateThreadExtended( p_vlm, p_media->vod.p_item, psz_header, NULL ) ) )
 520             {
 521                 while( !p_input->b_eof && !p_input->b_error )
 522                     msleep( 100000 );
 523
 524                 input_StopThread( p_input );
 525                 vlc_object_release( p_input );
 526             }
 527             free( psz_output );
 528             free( psz_header );
 529
 530             if( p_cfg->vod.psz_mux )
 531             {
 532                 input_item_t item;
 533                 es_format_t es, *p_es = &es;
 534                 char fourcc[5];
 535
 536                 sprintf( fourcc, "%4.4s", p_cfg->vod.psz_mux );
 537                 fourcc[0] = tolower(fourcc[0]); fourcc[1] = tolower(fourcc[1]);
 538                 fourcc[2] = tolower(fourcc[2]); fourcc[3] = tolower(fourcc[3]);
 539
 540                 /* XXX: Don't do it that way, but properly use a new input item ref. */
 541                 item = *p_media->vod.p_item;
 542                 item.i_es = 1;
 543                 item.es = &p_es;
 544                 es_format_Init( &es, VIDEO_ES, *((int *)fourcc) );
 545
 546                 p_media->vod.p_media =
 547                     p_vlm->p_vod->pf_media_new( p_vlm->p_vod, p_cfg->psz_name, &item );
 548             }
 549             else
 550             {
 551                 p_media->vod.p_media =
 552                     p_vlm->p_vod->pf_media_new( p_vlm->p_vod, p_cfg->psz_name, p_media->vod.p_item );
 553             }
 554         }
 555     }
 556     else
 557     {
 558         /* TODO start media if needed */
 559     }
 560
 561     /* TODO add support of var vlm_media_broadcast/vlm_media_vod */
 562
 563     return VLC_SUCCESS;
 564 }
 565 static int vlm_ControlMediaChange( vlm_t *p_vlm, vlm_media_t *p_cfg )
 566 {
 567     vlm_media_sys_t *p_media = vlm_ControlMediaGetById( p_vlm, p_cfg->id );
 568
 569     /* */
 570     if( !p_media || vlm_MediaDescriptionCheck( p_vlm, p_cfg ) )
 571         return VLC_EGENERIC;
 572     if( ( p_media->cfg.b_vod && !p_cfg->b_vod ) || ( !p_media->cfg.b_vod && p_cfg->b_vod ) )
 573         return VLC_EGENERIC;
 574
 575     if( 0 )
 576     {
 577         /* TODO check what are the changes being done (stop instance if needed) */
 578     }
 579
 580     vlm_media_Clean( &p_media->cfg );
 581     vlm_media_Copy( &p_media->cfg, p_cfg );
 582
 583     return vlm_OnMediaUpdate( p_vlm, p_media );
 584 }
 585
 586 static int vlm_ControlMediaAdd( vlm_t *p_vlm, vlm_media_t *p_cfg, int64_t *p_id )
 587 {
 588     vlm_media_sys_t *p_media;
 589
 590     if( vlm_MediaDescriptionCheck( p_vlm, p_cfg ) || vlm_ControlMediaGetByName( p_vlm, p_cfg->psz_name ) )
 591     {
 592         msg_Err( p_vlm, "invalid media description" );
 593         return VLC_EGENERIC;
 594     }
 595     /* Check if we need to load the VOD server */
 596     if( p_cfg->b_vod && !p_vlm->i_vod )
 597     {
 598         p_vlm->p_vod = vlc_custom_create( VLC_OBJECT(p_vlm), sizeof( vod_t ),
 599                                           VLC_OBJECT_GENERIC, "vod server" );
 600         vlc_object_attach( p_vlm->p_vod, p_vlm );
 601         p_vlm->p_vod->p_module = module_Need( p_vlm->p_vod, "vod server", 0, 0 );
 602         if( !p_vlm->p_vod->p_module )
 603         {
 604             msg_Err( p_vlm, "cannot find vod server" );
 605             vlc_object_detach( p_vlm->p_vod );
 606             vlc_object_release( p_vlm->p_vod );
 607             p_vlm->p_vod = 0;
 608             return VLC_EGENERIC;
 609         }
 610
 611         p_vlm->p_vod->p_data = p_vlm;
 612         p_vlm->p_vod->pf_media_control = vlm_MediaVodControl;
 613     }
 614
 615     p_media = malloc( sizeof( vlm_media_sys_t ) );
 616     if( !p_media )
 617         return VLC_ENOMEM;
 618     memset( p_media, 0, sizeof(vlm_media_sys_t) );
 619
 620     if( p_cfg->b_vod )
 621         p_vlm->i_vod++;
 622
 623     vlm_media_Copy( &p_media->cfg, p_cfg );
 624     p_media->cfg.id = p_vlm->i_id++;
 625     /* FIXME do we do something here if enabled is true ? */
 626
 627     p_media->vod.p_item = input_ItemNew( p_vlm, NULL, NULL );
 628
 629     p_media->vod.p_media = NULL;
 630     TAB_INIT( p_media->i_instance, p_media->instance );
 631
 632     /* */
 633     TAB_APPEND( p_vlm->i_media, p_vlm->media, p_media );
 634
 635     if( p_id )
 636         *p_id = p_media->cfg.id;
 637
 638     return vlm_OnMediaUpdate( p_vlm, p_media );
 639 }
 640
 641 static int vlm_ControlMediaDel( vlm_t *p_vlm, int64_t id )
 642 {
 643     vlm_media_sys_t *p_media = vlm_ControlMediaGetById( p_vlm, id );
 644
 645     if( !p_media )
 646         return VLC_EGENERIC;
 647
 648     while( p_media->i_instance > 0 )
 649         vlm_ControlInternal( p_vlm, VLM_STOP_MEDIA_INSTANCE, id, p_media->instance[0]->psz_name );
 650
 651     if( p_media->cfg.b_vod )
 652     {
 653         p_media->cfg.b_enabled = false;
 654         vlm_OnMediaUpdate( p_vlm, p_media );
 655         p_vlm->i_vod--;
 656     }
 657
 658     vlm_media_Clean( &p_media->cfg );
 659
 660     vlc_gc_decref( p_media->vod.p_item );
 661
 662     TAB_REMOVE( p_vlm->i_media, p_vlm->media, p_media );
 663
 664     free( p_media );
 665
 666     /* Check if we need to unload the VOD server */
 667     if( p_vlm->p_vod && p_vlm->i_vod <= 0 )
 668     {
 669         module_Unneed( p_vlm->p_vod, p_vlm->p_vod->p_module );
 670         vlc_object_detach( p_vlm->p_vod );
 671         vlc_object_release( p_vlm->p_vod );
 672         p_vlm->p_vod = NULL;
 673     }
 674     return VLC_SUCCESS;
 675 }
 676
 677 static int vlm_ControlMediaGets( vlm_t *p_vlm, vlm_media_t ***ppp_dsc, int *pi_dsc )
 678 {
 679     vlm_media_t **pp_dsc;
 680     int                     i_dsc;
 681     int i;
 682
 683     TAB_INIT( i_dsc, pp_dsc );
 684     for( i = 0; i < p_vlm->i_media; i++ )
 685     {
 686         vlm_media_t *p_dsc = vlm_media_Duplicate( &p_vlm->media[i]->cfg );
 687         TAB_APPEND( i_dsc, pp_dsc, p_dsc );
 688     }
 689
 690     *ppp_dsc = pp_dsc;
 691     *pi_dsc = i_dsc;
 692
 693     return VLC_SUCCESS;
 694 }
 695 static int vlm_ControlMediaClear( vlm_t *p_vlm )
 696 {
 697     while( p_vlm->i_media > 0 )
 698         vlm_ControlMediaDel( p_vlm, p_vlm->media[0]->cfg.id );
 699
 700     return VLC_SUCCESS;
 701 }
 702 static int vlm_ControlMediaGet( vlm_t *p_vlm, int64_t id, vlm_media_t **pp_dsc )
 703 {
 704     vlm_media_sys_t *p_media = vlm_ControlMediaGetById( p_vlm, id );
 705     if( !p_media )
 706         return VLC_EGENERIC;
 707
 708     *pp_dsc = vlm_media_Duplicate( &p_media->cfg );
 709     return VLC_SUCCESS;
 710 }
 711 static int vlm_ControlMediaGetId( vlm_t *p_vlm, const char *psz_name, int64_t *p_id )
 712 {
 713     vlm_media_sys_t *p_media = vlm_ControlMediaGetByName( p_vlm, psz_name );
 714     if( !p_media )
 715         return VLC_EGENERIC;
 716
 717     *p_id = p_media->cfg.id;
 718     return VLC_SUCCESS;
 719 }
 720
 721 static vlm_media_instance_sys_t *vlm_ControlMediaInstanceGetByName( vlm_media_sys_t *p_media, const char *psz_id )
 722 {
 723     int i;
 724
 725     for( i = 0; i < p_media->i_instance; i++ )
 726     {
 727         const char *psz = p_media->instance[i]->psz_name;
 728         if( ( psz == NULL && psz_id == NULL ) ||
 729             ( psz && psz_id && !strcmp( psz, psz_id ) ) )
 730             return p_media->instance[i];
 731     }
 732     return NULL;
 733 }
 734 static vlm_media_instance_sys_t *vlm_MediaInstanceNew( vlm_t *p_vlm, const char *psz_name )
 735 {
 736     vlm_media_instance_sys_t *p_instance = malloc( sizeof(vlm_media_instance_sys_t) );
 737     if( !p_instance )
 738         return NULL;
 739
 740     memset( p_instance, 0, sizeof(vlm_media_instance_sys_t) );
 741
 742     p_instance->psz_name = NULL;
 743     if( psz_name )
 744         p_instance->psz_name = strdup( psz_name );
 745
 746     p_instance->p_item = input_ItemNew( p_vlm, NULL, NULL );
 747
 748     p_instance->i_index = 0;
 749     p_instance->b_sout_keep = false;
 750     p_instance->p_input = NULL;
 751     p_instance->p_sout = NULL;
 752
 753     return p_instance;
 754 }
 755 static void vlm_MediaInstanceDelete( vlm_media_instance_sys_t *p_instance )
 756 {
 757     if( p_instance->p_input )
 758     {
 759         input_StopThread( p_instance->p_input );
 760         p_instance->p_sout = input_DetachSout( p_instance->p_input );
 761         vlc_object_release( p_instance->p_input );
 762     }
 763     if( p_instance->p_sout )
 764         sout_DeleteInstance( p_instance->p_sout );
 765
 766     vlc_gc_decref( p_instance->p_item );
 767     free( p_instance->psz_name );
 768     free( p_instance );
 769 }
 770
 771
 772 static int vlm_ControlMediaInstanceStart( vlm_t *p_vlm, int64_t id, const char *psz_id, int i_input_index, const char *psz_vod_output )
 773 {
 774     vlm_media_sys_t *p_media = vlm_ControlMediaGetById( p_vlm, id );
 775     vlm_media_instance_sys_t *p_instance;
 776     char *psz_log;
 777
 778     if( !p_media || !p_media->cfg.b_enabled || p_media->cfg.i_input <= 0 )
 779         return VLC_EGENERIC;
 780
 781     /* TODO support multiple input for VOD with sout-keep ? */
 782
 783     if( ( p_media->cfg.b_vod && !psz_vod_output ) || ( !p_media->cfg.b_vod && psz_vod_output ) )
 784         return VLC_EGENERIC;
 785
 786     if( i_input_index < 0 || i_input_index >= p_media->cfg.i_input )
 787         return VLC_EGENERIC;
 788
 789     p_instance = vlm_ControlMediaInstanceGetByName( p_media, psz_id );
 790     if( !p_instance )
 791     {
 792         vlm_media_t *p_cfg = &p_media->cfg;
 793         int i;
 794
 795         p_instance = vlm_MediaInstanceNew( p_vlm, psz_id );
 796         if( !p_instance )
 797             return VLC_ENOMEM;
 798
 799         if( p_cfg->psz_output != NULL || psz_vod_output != NULL )
 800         {
 801             char *psz_buffer;
 802             asprintf( &psz_buffer, "sout=%s%s%s",
 803                       p_cfg->psz_output ? p_cfg->psz_output : "",
 804                       (p_cfg->psz_output && psz_vod_output) ? ":" : psz_vod_output ? "#" : "",
 805                       psz_vod_output ? psz_vod_output : "" );
 806             input_ItemAddOption( p_instance->p_item, psz_buffer );
 807             free( psz_buffer );
 808         }
 809
 810         for( i = 0; i < p_cfg->i_option; i++ )
 811         {
 812             if( !strcmp( p_cfg->ppsz_option[i], "sout-keep" ) )
 813                 p_instance->b_sout_keep = true;
 814             else if( !strcmp( p_cfg->ppsz_option[i], "nosout-keep" ) || !strcmp( p_cfg->ppsz_option[i], "no-sout-keep" ) )
 815                 p_instance->b_sout_keep = false;
 816             else
 817                 input_ItemAddOption( p_instance->p_item, p_cfg->ppsz_option[i] );
 818         }
 819         TAB_APPEND( p_media->i_instance, p_media->instance, p_instance );
 820     }
 821
 822     /* Stop old instance */
 823     if( p_instance->p_input )
 824     {
 825         if( p_instance->i_index == i_input_index &&
 826             !p_instance->p_input->b_eof && !p_instance->p_input->b_error )
 827         {
 828             if( var_GetInteger( p_instance->p_input, "state" ) == PAUSE_S )
 829                 var_SetInteger( p_instance->p_input, "state",  PLAYING_S );
 830             return VLC_SUCCESS;
 831         }
 832
 833         input_StopThread( p_instance->p_input );
 834         p_instance->p_sout = input_DetachSout( p_instance->p_input );
 835         vlc_object_release( p_instance->p_input );
 836         if( !p_instance->b_sout_keep && p_instance->p_sout )
 837         {
 838             sout_DeleteInstance( p_instance->p_sout );
 839             p_instance->p_sout = NULL;
 840         }
 841     }
 842
 843     /* Start new one */
 844     p_instance->i_index = i_input_index;
 845     input_item_SetURI( p_instance->p_item, p_media->cfg.ppsz_input[p_instance->i_index] ) ;
 846
 847     asprintf( &psz_log, _("Media: %s"), p_media->cfg.psz_name );
 848     p_instance->p_input = input_CreateThreadExtended( p_vlm, p_instance->p_item, psz_log, p_instance->p_sout );
 849     if( !p_instance->p_input )
 850     {
 851         TAB_REMOVE( p_media->i_instance, p_media->instance, p_instance );
 852         vlm_MediaInstanceDelete( p_instance );
 853     }
 854     free( psz_log );
 855
 856     return VLC_SUCCESS;
 857 }
 858
 859 static int vlm_ControlMediaInstanceStop( vlm_t *p_vlm, int64_t id, const char *psz_id )
 860 {
 861     vlm_media_sys_t *p_media = vlm_ControlMediaGetById( p_vlm, id );
 862     vlm_media_instance_sys_t *p_instance;
 863
 864     if( !p_media )
 865         return VLC_EGENERIC;
 866
 867     p_instance = vlm_ControlMediaInstanceGetByName( p_media, psz_id );
 868     if( !p_instance )
 869         return VLC_EGENERIC;
 870
 871     TAB_REMOVE( p_media->i_instance, p_media->instance, p_instance );
 872
 873     vlm_MediaInstanceDelete( p_instance );
 874
 875     return VLC_SUCCESS;
 876 }
 877 static int vlm_ControlMediaInstancePause( vlm_t *p_vlm, int64_t id, const char *psz_id )
 878 {
 879     vlm_media_sys_t *p_media = vlm_ControlMediaGetById( p_vlm, id );
 880     vlm_media_instance_sys_t *p_instance;
 881     int i_state;
 882
 883     if( !p_media )
 884         return VLC_EGENERIC;
 885
 886     p_instance = vlm_ControlMediaInstanceGetByName( p_media, psz_id );
 887     if( !p_instance || !p_instance->p_input )
 888         return VLC_EGENERIC;
 889
 890     /* Toggle pause state */
 891     i_state = var_GetInteger( p_instance->p_input, "state" );
 892     if( i_state == PAUSE_S )
 893         var_SetInteger( p_instance->p_input, "state", PLAYING_S );
 894     else if( i_state == PLAYING_S )
 895         var_SetInteger( p_instance->p_input, "state", PAUSE_S );
 896     return VLC_SUCCESS;
 897 }
 898 static int vlm_ControlMediaInstanceGetTimePosition( vlm_t *p_vlm, int64_t id, const char *psz_id, int64_t *pi_time, double *pd_position )
 899 {
 900     vlm_media_sys_t *p_media = vlm_ControlMediaGetById( p_vlm, id );
 901     vlm_media_instance_sys_t *p_instance;
 902
 903     if( !p_media )
 904         return VLC_EGENERIC;
 905
 906     p_instance = vlm_ControlMediaInstanceGetByName( p_media, psz_id );
 907     if( !p_instance || !p_instance->p_input )
 908         return VLC_EGENERIC;
 909
 910     if( pi_time )
 911         *pi_time = var_GetTime( p_instance->p_input, "time" );
 912     if( pd_position )
 913         *pd_position = var_GetFloat( p_instance->p_input, "position" );
 914     return VLC_SUCCESS;
 915 }
 916 static int vlm_ControlMediaInstanceSetTimePosition( vlm_t *p_vlm, int64_t id, const char *psz_id, int64_t i_time, double d_position )
 917 {
 918     vlm_media_sys_t *p_media = vlm_ControlMediaGetById( p_vlm, id );
 919     vlm_media_instance_sys_t *p_instance;
 920
 921     if( !p_media )
 922         return VLC_EGENERIC;
 923
 924     p_instance = vlm_ControlMediaInstanceGetByName( p_media, psz_id );
 925     if( !p_instance || !p_instance->p_input )
 926         return VLC_EGENERIC;
 927
 928     if( i_time >= 0 )
 929         return var_SetTime( p_instance->p_input, "time", i_time );
 930     else if( d_position >= 0 && d_position <= 100 )
 931         return var_SetFloat( p_instance->p_input, "position", d_position );
 932     return VLC_EGENERIC;
 933 }
 934
 935 static int vlm_ControlMediaInstanceGets( vlm_t *p_vlm, int64_t id, vlm_media_instance_t ***ppp_idsc, int *pi_instance )
 936 {
 937     vlm_media_sys_t *p_media = vlm_ControlMediaGetById( p_vlm, id );
 938     vlm_media_instance_t **pp_idsc;
 939     int                              i_idsc;
 940     int i;
 941
 942     if( !p_media )
 943         return VLC_EGENERIC;
 944
 945     TAB_INIT( i_idsc, pp_idsc );
 946     for( i = 0; i < p_media->i_instance; i++ )
 947     {
 948         vlm_media_instance_sys_t *p_instance = p_media->instance[i];
 949         vlm_media_instance_t *p_idsc = vlm_media_instance_New();
 950
 951         if( p_instance->psz_name )
 952             p_idsc->psz_name = strdup( p_instance->psz_name );
 953         if( p_instance->p_input )
 954         {
 955             p_idsc->i_time = var_GetTime( p_instance->p_input, "time" );
 956             p_idsc->i_length = var_GetTime( p_instance->p_input, "length" );
 957             p_idsc->d_position = var_GetFloat( p_instance->p_input, "position" );
 958             if( var_GetInteger( p_instance->p_input, "state" ) == PAUSE_S )
 959                 p_idsc->b_paused = true;
 960             p_idsc->i_rate = var_GetInteger( p_instance->p_input, "rate" );
 961         }
 962
 963         TAB_APPEND( i_idsc, pp_idsc, p_idsc );
 964     }
 965     *ppp_idsc = pp_idsc;
 966     *pi_instance = i_idsc;
 967     return VLC_SUCCESS;
 968 }
 969
 970 static int vlm_ControlMediaInstanceClear( vlm_t *p_vlm, int64_t id )
 971 {
 972     vlm_media_sys_t *p_media = vlm_ControlMediaGetById( p_vlm, id );
 973
 974     if( !p_media )
 975         return VLC_EGENERIC;
 976
 977     while( p_media->i_instance > 0 )
 978         vlm_ControlMediaInstanceStop( p_vlm, id, p_media->instance[0]->psz_name );
 979
 980     return VLC_SUCCESS;
 981 }
 982
 983 static int vlm_ControlScheduleClear( vlm_t *p_vlm )
 984 {
 985     while( p_vlm->i_schedule > 0 )
 986         vlm_ScheduleDelete( p_vlm, p_vlm->schedule[0] );
 987
 988     return VLC_SUCCESS;
 989 }
 990
 991 static int vlm_vaControlInternal( vlm_t *p_vlm, int i_query, va_list args )
 992 {
 993     vlm_media_t *p_dsc;
 994     vlm_media_t **pp_dsc;
 995     vlm_media_t ***ppp_dsc;
 996     vlm_media_instance_t ***ppp_idsc;
 997     const char *psz_id;
 998     const char *psz_vod;
 999     int64_t *p_id;
1000     int64_t id;
1001     int i_int;
1002     int *pi_int;
1003
1004     int64_t *pi_i64;
1005     int64_t i_i64;
1006     double *pd_double;
1007     double d_double;
1008
1009     switch( i_query )
1010     {
1011     /* Media control */
1012     case VLM_GET_MEDIAS:
1013         ppp_dsc = (vlm_media_t ***)va_arg( args, vlm_media_t *** );
1014         pi_int = (int *)va_arg( args, int * );
1015         return vlm_ControlMediaGets( p_vlm, ppp_dsc, pi_int );
1016
1017     case VLM_CLEAR_MEDIAS:
1018         return vlm_ControlMediaClear( p_vlm );
1019
1020     case VLM_CHANGE_MEDIA:
1021         p_dsc = (vlm_media_t*)va_arg( args, vlm_media_t * );
1022         return vlm_ControlMediaChange( p_vlm, p_dsc );
1023
1024     case VLM_ADD_MEDIA:
1025         p_dsc = (vlm_media_t*)va_arg( args, vlm_media_t * );
1026         p_id = (int64_t*)va_arg( args, int64_t * );
1027         return vlm_ControlMediaAdd( p_vlm, p_dsc, p_id );
1028
1029     case VLM_DEL_MEDIA:
1030         id = (int64_t)va_arg( args, int64_t );
1031         return vlm_ControlMediaDel( p_vlm, id );
1032
1033     case VLM_GET_MEDIA:
1034         id = (int64_t)va_arg( args, int64_t );
1035         pp_dsc = (vlm_media_t **)va_arg( args, vlm_media_t ** );
1036         return vlm_ControlMediaGet( p_vlm, id, pp_dsc );
1037
1038     case VLM_GET_MEDIA_ID:
1039         psz_id = (const char*)va_arg( args, const char * );
1040         p_id = (int64_t*)va_arg( args, int64_t * );
1041         return vlm_ControlMediaGetId( p_vlm, psz_id, p_id );
1042
1043
1044     /* Media instance control */
1045     case VLM_GET_MEDIA_INSTANCES:
1046         id = (int64_t)va_arg( args, int64_t );
1047         ppp_idsc = (vlm_media_instance_t ***)va_arg( args, vlm_media_instance_t *** );
1048         pi_int = (int *)va_arg( args, int *);
1049         return vlm_ControlMediaInstanceGets( p_vlm, id, ppp_idsc, pi_int );
1050
1051     case VLM_CLEAR_MEDIA_INSTANCES:
1052         id = (int64_t)va_arg( args, int64_t );
1053         return vlm_ControlMediaInstanceClear( p_vlm, id );
1054
1055
1056     case VLM_START_MEDIA_BROADCAST_INSTANCE:
1057         id = (int64_t)va_arg( args, int64_t );
1058         psz_id = (const char*)va_arg( args, const char* );
1059         i_int = (int)va_arg( args, int );
1060         return vlm_ControlMediaInstanceStart( p_vlm, id, psz_id, i_int, NULL );
1061
1062     case VLM_START_MEDIA_VOD_INSTANCE:
1063         id = (int64_t)va_arg( args, int64_t );
1064         psz_id = (const char*)va_arg( args, const char* );
1065         i_int = (int)va_arg( args, int );
1066         psz_vod = (const char*)va_arg( args, const char* );
1067         if( !psz_vod )
1068             return VLC_EGENERIC;
1069         return vlm_ControlMediaInstanceStart( p_vlm, id, psz_id, i_int, psz_vod );
1070
1071     case VLM_STOP_MEDIA_INSTANCE:
1072         id = (int64_t)va_arg( args, int64_t );
1073         psz_id = (const char*)va_arg( args, const char* );
1074         return vlm_ControlMediaInstanceStop( p_vlm, id, psz_id );
1075
1076     case VLM_PAUSE_MEDIA_INSTANCE:
1077         id = (int64_t)va_arg( args, int64_t );
1078         psz_id = (const char*)va_arg( args, const char* );
1079         return vlm_ControlMediaInstancePause( p_vlm, id, psz_id );
1080
1081     case VLM_GET_MEDIA_INSTANCE_TIME:
1082         id = (int64_t)va_arg( args, int64_t );
1083         psz_id = (const char*)va_arg( args, const char* );
1084         pi_i64 = (int64_t*)va_arg( args, int64_t * );
1085         return vlm_ControlMediaInstanceGetTimePosition( p_vlm, id, psz_id, pi_i64, NULL );
1086     case VLM_GET_MEDIA_INSTANCE_POSITION:
1087         id = (int64_t)va_arg( args, int64_t );
1088         psz_id = (const char*)va_arg( args, const char* );
1089         pd_double = (double*)va_arg( args, double* );
1090         return vlm_ControlMediaInstanceGetTimePosition( p_vlm, id, psz_id, NULL, pd_double );
1091
1092     case VLM_SET_MEDIA_INSTANCE_TIME:
1093         id = (int64_t)va_arg( args, int64_t );
1094         psz_id = (const char*)va_arg( args, const char* );
1095         i_i64 = (int64_t)va_arg( args, int64_t);
1096         return vlm_ControlMediaInstanceSetTimePosition( p_vlm, id, psz_id, i_i64, -1 );
1097     case VLM_SET_MEDIA_INSTANCE_POSITION:
1098         id = (int64_t)va_arg( args, int64_t );
1099         psz_id = (const char*)va_arg( args, const char* );
1100         d_double = (double)va_arg( args, double );
1101         return vlm_ControlMediaInstanceSetTimePosition( p_vlm, id, psz_id, -1, d_double );
1102
1103     case VLM_CLEAR_SCHEDULES:
1104         return vlm_ControlScheduleClear( p_vlm );
1105
1106     default:
1107         msg_Err( p_vlm, "unknown VLM query" );
1108         return VLC_EGENERIC;
1109     }
1110 }
1111
1112 int vlm_ControlInternal( vlm_t *p_vlm, int i_query, ... )
1113 {
1114     va_list args;
1115     int     i_result;
1116
1117     va_start( args, i_query );
1118     i_result = vlm_vaControlInternal( p_vlm, i_query, args );
1119     va_end( args );
1120
1121     return i_result;
1122 }
1123
1124 int vlm_Control( vlm_t *p_vlm, int i_query, ... )
1125 {
1126     va_list args;
1127     int     i_result;
1128
1129     va_start( args, i_query );
1130
1131     vlc_mutex_lock( &p_vlm->lock );
1132     i_result = vlm_vaControlInternal( p_vlm, i_query, args );
1133     vlc_mutex_unlock( &p_vlm->lock );
1134
1135     va_end( args );
1136
1137     return i_result;
1138 }