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
 519             asprintf( &psz_header, _("Media: %s"), p_cfg->psz_name );
 520
 521             if( (p_input = input_CreateThreadExtended( p_vlm, p_media->vod.p_item, psz_header, NULL ) ) )
 522             {
 523                 while( !p_input->b_eof && !p_input->b_error )
 524                     msleep( 100000 );
 525
 526                 input_StopThread( p_input );
 527                 vlc_object_release( p_input );
 528             }
 529             free( psz_output );
 530             free( psz_header );
 531
 532             if( p_cfg->vod.psz_mux )
 533             {
 534                 input_item_t item;
 535                 es_format_t es, *p_es = &es;
 536                 char fourcc[5];
 537
 538                 sprintf( fourcc, "%4.4s", p_cfg->vod.psz_mux );
 539                 fourcc[0] = tolower(fourcc[0]); fourcc[1] = tolower(fourcc[1]);
 540                 fourcc[2] = tolower(fourcc[2]); fourcc[3] = tolower(fourcc[3]);
 541
 542                 /* XXX: Don't do it that way, but properly use a new input item ref. */
 543                 item = *p_media->vod.p_item;
 544                 item.i_es = 1;
 545                 item.es = &p_es;
 546                 es_format_Init( &es, VIDEO_ES, *((int *)fourcc) );
 547
 548                 p_media->vod.p_media =
 549                     p_vlm->p_vod->pf_media_new( p_vlm->p_vod, p_cfg->psz_name, &item );
 550             }
 551             else
 552             {
 553                 p_media->vod.p_media =
 554                     p_vlm->p_vod->pf_media_new( p_vlm->p_vod, p_cfg->psz_name, p_media->vod.p_item );
 555             }
 556         }
 557     }
 558     else
 559     {
 560         /* TODO start media if needed */
 561     }
 562
 563     /* TODO add support of var vlm_media_broadcast/vlm_media_vod */
 564
 565     return VLC_SUCCESS;
 566 }
 567 static int vlm_ControlMediaChange( vlm_t *p_vlm, vlm_media_t *p_cfg )
 568 {
 569     vlm_media_sys_t *p_media = vlm_ControlMediaGetById( p_vlm, p_cfg->id );
 570
 571     /* */
 572     if( !p_media || vlm_MediaDescriptionCheck( p_vlm, p_cfg ) )
 573         return VLC_EGENERIC;
 574     if( ( p_media->cfg.b_vod && !p_cfg->b_vod ) || ( !p_media->cfg.b_vod && p_cfg->b_vod ) )
 575         return VLC_EGENERIC;
 576
 577     if( 0 )
 578     {
 579         /* TODO check what are the changes being done (stop instance if needed) */
 580     }
 581
 582     vlm_media_Clean( &p_media->cfg );
 583     vlm_media_Copy( &p_media->cfg, p_cfg );
 584
 585     return vlm_OnMediaUpdate( p_vlm, p_media );
 586 }
 587
 588 static int vlm_ControlMediaAdd( vlm_t *p_vlm, vlm_media_t *p_cfg, int64_t *p_id )
 589 {
 590     vlm_media_sys_t *p_media;
 591
 592     if( vlm_MediaDescriptionCheck( p_vlm, p_cfg ) || vlm_ControlMediaGetByName( p_vlm, p_cfg->psz_name ) )
 593     {
 594         msg_Err( p_vlm, "invalid media description" );
 595         return VLC_EGENERIC;
 596     }
 597     /* Check if we need to load the VOD server */
 598     if( p_cfg->b_vod && !p_vlm->i_vod )
 599     {
 600         p_vlm->p_vod = vlc_custom_create( VLC_OBJECT(p_vlm), sizeof( vod_t ),
 601                                           VLC_OBJECT_GENERIC, "vod server" );
 602         vlc_object_attach( p_vlm->p_vod, p_vlm );
 603         p_vlm->p_vod->p_module = module_Need( p_vlm->p_vod, "vod server", 0, 0 );
 604         if( !p_vlm->p_vod->p_module )
 605         {
 606             msg_Err( p_vlm, "cannot find vod server" );
 607             vlc_object_detach( p_vlm->p_vod );
 608             vlc_object_release( p_vlm->p_vod );
 609             p_vlm->p_vod = 0;
 610             return VLC_EGENERIC;
 611         }
 612
 613         p_vlm->p_vod->p_data = p_vlm;
 614         p_vlm->p_vod->pf_media_control = vlm_MediaVodControl;
 615     }
 616
 617     p_media = malloc( sizeof( vlm_media_sys_t ) );
 618     if( !p_media )
 619         return VLC_ENOMEM;
 620     memset( p_media, 0, sizeof(vlm_media_sys_t) );
 621
 622     if( p_cfg->b_vod )
 623         p_vlm->i_vod++;
 624
 625     vlm_media_Copy( &p_media->cfg, p_cfg );
 626     p_media->cfg.id = p_vlm->i_id++;
 627     /* FIXME do we do something here if enabled is true ? */
 628
 629     p_media->vod.p_item = input_ItemNew( p_vlm, NULL, NULL );
 630
 631     p_media->vod.p_media = NULL;
 632     TAB_INIT( p_media->i_instance, p_media->instance );
 633
 634     /* */
 635     TAB_APPEND( p_vlm->i_media, p_vlm->media, p_media );
 636
 637     if( p_id )
 638         *p_id = p_media->cfg.id;
 639
 640     return vlm_OnMediaUpdate( p_vlm, p_media );
 641 }
 642
 643 static int vlm_ControlMediaDel( vlm_t *p_vlm, int64_t id )
 644 {
 645     vlm_media_sys_t *p_media = vlm_ControlMediaGetById( p_vlm, id );
 646
 647     if( !p_media )
 648         return VLC_EGENERIC;
 649
 650     while( p_media->i_instance > 0 )
 651         vlm_ControlInternal( p_vlm, VLM_STOP_MEDIA_INSTANCE, id, p_media->instance[0]->psz_name );
 652
 653     if( p_media->cfg.b_vod )
 654     {
 655         p_media->cfg.b_enabled = false;
 656         vlm_OnMediaUpdate( p_vlm, p_media );
 657         p_vlm->i_vod--;
 658     }
 659
 660     vlm_media_Clean( &p_media->cfg );
 661
 662     vlc_gc_decref( p_media->vod.p_item );
 663
 664     TAB_REMOVE( p_vlm->i_media, p_vlm->media, p_media );
 665
 666     free( p_media );
 667
 668     /* Check if we need to unload the VOD server */
 669     if( p_vlm->p_vod && p_vlm->i_vod <= 0 )
 670     {
 671         module_Unneed( p_vlm->p_vod, p_vlm->p_vod->p_module );
 672         vlc_object_detach( p_vlm->p_vod );
 673         vlc_object_release( p_vlm->p_vod );
 674         p_vlm->p_vod = NULL;
 675     }
 676     return VLC_SUCCESS;
 677 }
 678
 679 static int vlm_ControlMediaGets( vlm_t *p_vlm, vlm_media_t ***ppp_dsc, int *pi_dsc )
 680 {
 681     vlm_media_t **pp_dsc;
 682     int                     i_dsc;
 683     int i;
 684
 685     TAB_INIT( i_dsc, pp_dsc );
 686     for( i = 0; i < p_vlm->i_media; i++ )
 687     {
 688         vlm_media_t *p_dsc = vlm_media_Duplicate( &p_vlm->media[i]->cfg );
 689         TAB_APPEND( i_dsc, pp_dsc, p_dsc );
 690     }
 691
 692     *ppp_dsc = pp_dsc;
 693     *pi_dsc = i_dsc;
 694
 695     return VLC_SUCCESS;
 696 }
 697 static int vlm_ControlMediaClear( vlm_t *p_vlm )
 698 {
 699     while( p_vlm->i_media > 0 )
 700         vlm_ControlMediaDel( p_vlm, p_vlm->media[0]->cfg.id );
 701
 702     return VLC_SUCCESS;
 703 }
 704 static int vlm_ControlMediaGet( vlm_t *p_vlm, int64_t id, vlm_media_t **pp_dsc )
 705 {
 706     vlm_media_sys_t *p_media = vlm_ControlMediaGetById( p_vlm, id );
 707     if( !p_media )
 708         return VLC_EGENERIC;
 709
 710     *pp_dsc = vlm_media_Duplicate( &p_media->cfg );
 711     return VLC_SUCCESS;
 712 }
 713 static int vlm_ControlMediaGetId( vlm_t *p_vlm, const char *psz_name, int64_t *p_id )
 714 {
 715     vlm_media_sys_t *p_media = vlm_ControlMediaGetByName( p_vlm, psz_name );
 716     if( !p_media )
 717         return VLC_EGENERIC;
 718
 719     *p_id = p_media->cfg.id;
 720     return VLC_SUCCESS;
 721 }
 722
 723 static vlm_media_instance_sys_t *vlm_ControlMediaInstanceGetByName( vlm_media_sys_t *p_media, const char *psz_id )
 724 {
 725     int i;
 726
 727     for( i = 0; i < p_media->i_instance; i++ )
 728     {
 729         const char *psz = p_media->instance[i]->psz_name;
 730         if( ( psz == NULL && psz_id == NULL ) ||
 731             ( psz && psz_id && !strcmp( psz, psz_id ) ) )
 732             return p_media->instance[i];
 733     }
 734     return NULL;
 735 }
 736 static vlm_media_instance_sys_t *vlm_MediaInstanceNew( vlm_t *p_vlm, const char *psz_name )
 737 {
 738     vlm_media_instance_sys_t *p_instance = malloc( sizeof(vlm_media_instance_sys_t) );
 739     if( !p_instance )
 740         return NULL;
 741
 742     memset( p_instance, 0, sizeof(vlm_media_instance_sys_t) );
 743
 744     p_instance->psz_name = NULL;
 745     if( psz_name )
 746         p_instance->psz_name = strdup( psz_name );
 747
 748     p_instance->p_item = input_ItemNew( p_vlm, NULL, NULL );
 749
 750     p_instance->i_index = 0;
 751     p_instance->b_sout_keep = false;
 752     p_instance->p_input = NULL;
 753     p_instance->p_sout = NULL;
 754
 755     return p_instance;
 756 }
 757 static void vlm_MediaInstanceDelete( vlm_media_instance_sys_t *p_instance )
 758 {
 759     if( p_instance->p_input )
 760     {
 761         input_StopThread( p_instance->p_input );
 762         p_instance->p_sout = input_DetachSout( p_instance->p_input );
 763         vlc_object_release( p_instance->p_input );
 764     }
 765     if( p_instance->p_sout )
 766         sout_DeleteInstance( p_instance->p_sout );
 767
 768     vlc_gc_decref( p_instance->p_item );
 769     free( p_instance->psz_name );
 770     free( p_instance );
 771 }
 772
 773
 774 static int vlm_ControlMediaInstanceStart( vlm_t *p_vlm, int64_t id, const char *psz_id, int i_input_index, const char *psz_vod_output )
 775 {
 776     vlm_media_sys_t *p_media = vlm_ControlMediaGetById( p_vlm, id );
 777     vlm_media_instance_sys_t *p_instance;
 778     char *psz_log;
 779
 780     if( !p_media || !p_media->cfg.b_enabled || p_media->cfg.i_input <= 0 )
 781         return VLC_EGENERIC;
 782
 783     /* TODO support multiple input for VOD with sout-keep ? */
 784
 785     if( ( p_media->cfg.b_vod && !psz_vod_output ) || ( !p_media->cfg.b_vod && psz_vod_output ) )
 786         return VLC_EGENERIC;
 787
 788     if( i_input_index < 0 || i_input_index >= p_media->cfg.i_input )
 789         return VLC_EGENERIC;
 790
 791     p_instance = vlm_ControlMediaInstanceGetByName( p_media, psz_id );
 792     if( !p_instance )
 793     {
 794         vlm_media_t *p_cfg = &p_media->cfg;
 795         int i;
 796
 797         p_instance = vlm_MediaInstanceNew( p_vlm, psz_id );
 798         if( !p_instance )
 799             return VLC_ENOMEM;
 800
 801         if( p_cfg->psz_output != NULL || psz_vod_output != NULL )
 802         {
 803             char *psz_buffer;
 804             asprintf( &psz_buffer, "sout=%s%s%s",
 805                       p_cfg->psz_output ? p_cfg->psz_output : "",
 806                       (p_cfg->psz_output && psz_vod_output) ? ":" : psz_vod_output ? "#" : "",
 807                       psz_vod_output ? psz_vod_output : "" );
 808             input_ItemAddOption( p_instance->p_item, psz_buffer );
 809             free( psz_buffer );
 810         }
 811
 812         for( i = 0; i < p_cfg->i_option; i++ )
 813         {
 814             if( !strcmp( p_cfg->ppsz_option[i], "sout-keep" ) )
 815                 p_instance->b_sout_keep = true;
 816             else if( !strcmp( p_cfg->ppsz_option[i], "nosout-keep" ) || !strcmp( p_cfg->ppsz_option[i], "no-sout-keep" ) )
 817                 p_instance->b_sout_keep = false;
 818             else
 819                 input_ItemAddOption( p_instance->p_item, p_cfg->ppsz_option[i] );
 820         }
 821         TAB_APPEND( p_media->i_instance, p_media->instance, p_instance );
 822     }
 823
 824     /* Stop old instance */
 825     if( p_instance->p_input )
 826     {
 827         if( p_instance->i_index == i_input_index &&
 828             !p_instance->p_input->b_eof && !p_instance->p_input->b_error )
 829         {
 830             if( var_GetInteger( p_instance->p_input, "state" ) == PAUSE_S )
 831                 var_SetInteger( p_instance->p_input, "state",  PLAYING_S );
 832             return VLC_SUCCESS;
 833         }
 834
 835         input_StopThread( p_instance->p_input );
 836         p_instance->p_sout = input_DetachSout( p_instance->p_input );
 837         vlc_object_release( p_instance->p_input );
 838         if( !p_instance->b_sout_keep && p_instance->p_sout )
 839         {
 840             sout_DeleteInstance( p_instance->p_sout );
 841             p_instance->p_sout = NULL;
 842         }
 843     }
 844
 845     /* Start new one */
 846     p_instance->i_index = i_input_index;
 847     input_item_SetURI( p_instance->p_item, p_media->cfg.ppsz_input[p_instance->i_index] ) ;
 848
 849     asprintf( &psz_log, _("Media: %s"), p_media->cfg.psz_name );
 850     p_instance->p_input = input_CreateThreadExtended( p_vlm, p_instance->p_item, psz_log, p_instance->p_sout );
 851     if( !p_instance->p_input )
 852     {
 853         TAB_REMOVE( p_media->i_instance, p_media->instance, p_instance );
 854         vlm_MediaInstanceDelete( p_instance );
 855     }
 856     free( psz_log );
 857
 858     return VLC_SUCCESS;
 859 }
 860
 861 static int vlm_ControlMediaInstanceStop( vlm_t *p_vlm, int64_t id, const char *psz_id )
 862 {
 863     vlm_media_sys_t *p_media = vlm_ControlMediaGetById( p_vlm, id );
 864     vlm_media_instance_sys_t *p_instance;
 865
 866     if( !p_media )
 867         return VLC_EGENERIC;
 868
 869     p_instance = vlm_ControlMediaInstanceGetByName( p_media, psz_id );
 870     if( !p_instance )
 871         return VLC_EGENERIC;
 872
 873     TAB_REMOVE( p_media->i_instance, p_media->instance, p_instance );
 874
 875     vlm_MediaInstanceDelete( p_instance );
 876
 877     return VLC_SUCCESS;
 878 }
 879 static int vlm_ControlMediaInstancePause( vlm_t *p_vlm, int64_t id, const char *psz_id )
 880 {
 881     vlm_media_sys_t *p_media = vlm_ControlMediaGetById( p_vlm, id );
 882     vlm_media_instance_sys_t *p_instance;
 883     int i_state;
 884
 885     if( !p_media )
 886         return VLC_EGENERIC;
 887
 888     p_instance = vlm_ControlMediaInstanceGetByName( p_media, psz_id );
 889     if( !p_instance || !p_instance->p_input )
 890         return VLC_EGENERIC;
 891
 892     /* Toggle pause state */
 893     i_state = var_GetInteger( p_instance->p_input, "state" );
 894     if( i_state == PAUSE_S )
 895         var_SetInteger( p_instance->p_input, "state", PLAYING_S );
 896     else if( i_state == PLAYING_S )
 897         var_SetInteger( p_instance->p_input, "state", PAUSE_S );
 898     return VLC_SUCCESS;
 899 }
 900 static int vlm_ControlMediaInstanceGetTimePosition( vlm_t *p_vlm, int64_t id, const char *psz_id, int64_t *pi_time, double *pd_position )
 901 {
 902     vlm_media_sys_t *p_media = vlm_ControlMediaGetById( p_vlm, id );
 903     vlm_media_instance_sys_t *p_instance;
 904
 905     if( !p_media )
 906         return VLC_EGENERIC;
 907
 908     p_instance = vlm_ControlMediaInstanceGetByName( p_media, psz_id );
 909     if( !p_instance || !p_instance->p_input )
 910         return VLC_EGENERIC;
 911
 912     if( pi_time )
 913         *pi_time = var_GetTime( p_instance->p_input, "time" );
 914     if( pd_position )
 915         *pd_position = var_GetFloat( p_instance->p_input, "position" );
 916     return VLC_SUCCESS;
 917 }
 918 static int vlm_ControlMediaInstanceSetTimePosition( vlm_t *p_vlm, int64_t id, const char *psz_id, int64_t i_time, double d_position )
 919 {
 920     vlm_media_sys_t *p_media = vlm_ControlMediaGetById( p_vlm, id );
 921     vlm_media_instance_sys_t *p_instance;
 922
 923     if( !p_media )
 924         return VLC_EGENERIC;
 925
 926     p_instance = vlm_ControlMediaInstanceGetByName( p_media, psz_id );
 927     if( !p_instance || !p_instance->p_input )
 928         return VLC_EGENERIC;
 929
 930     if( i_time >= 0 )
 931         return var_SetTime( p_instance->p_input, "time", i_time );
 932     else if( d_position >= 0 && d_position <= 100 )
 933         return var_SetFloat( p_instance->p_input, "position", d_position );
 934     return VLC_EGENERIC;
 935 }
 936
 937 static int vlm_ControlMediaInstanceGets( vlm_t *p_vlm, int64_t id, vlm_media_instance_t ***ppp_idsc, int *pi_instance )
 938 {
 939     vlm_media_sys_t *p_media = vlm_ControlMediaGetById( p_vlm, id );
 940     vlm_media_instance_t **pp_idsc;
 941     int                              i_idsc;
 942     int i;
 943
 944     if( !p_media )
 945         return VLC_EGENERIC;
 946
 947     TAB_INIT( i_idsc, pp_idsc );
 948     for( i = 0; i < p_media->i_instance; i++ )
 949     {
 950         vlm_media_instance_sys_t *p_instance = p_media->instance[i];
 951         vlm_media_instance_t *p_idsc = vlm_media_instance_New();
 952
 953         if( p_instance->psz_name )
 954             p_idsc->psz_name = strdup( p_instance->psz_name );
 955         if( p_instance->p_input )
 956         {
 957             p_idsc->i_time = var_GetTime( p_instance->p_input, "time" );
 958             p_idsc->i_length = var_GetTime( p_instance->p_input, "length" );
 959             p_idsc->d_position = var_GetFloat( p_instance->p_input, "position" );
 960             if( var_GetInteger( p_instance->p_input, "state" ) == PAUSE_S )
 961                 p_idsc->b_paused = true;
 962             p_idsc->i_rate = var_GetInteger( p_instance->p_input, "rate" );
 963         }
 964
 965         TAB_APPEND( i_idsc, pp_idsc, p_idsc );
 966     }
 967     *ppp_idsc = pp_idsc;
 968     *pi_instance = i_idsc;
 969     return VLC_SUCCESS;
 970 }
 971
 972 static int vlm_ControlMediaInstanceClear( vlm_t *p_vlm, int64_t id )
 973 {
 974     vlm_media_sys_t *p_media = vlm_ControlMediaGetById( p_vlm, id );
 975
 976     if( !p_media )
 977         return VLC_EGENERIC;
 978
 979     while( p_media->i_instance > 0 )
 980         vlm_ControlMediaInstanceStop( p_vlm, id, p_media->instance[0]->psz_name );
 981
 982     return VLC_SUCCESS;
 983 }
 984
 985 static int vlm_ControlScheduleClear( vlm_t *p_vlm )
 986 {
 987     while( p_vlm->i_schedule > 0 )
 988         vlm_ScheduleDelete( p_vlm, p_vlm->schedule[0] );
 989
 990     return VLC_SUCCESS;
 991 }
 992
 993 static int vlm_vaControlInternal( vlm_t *p_vlm, int i_query, va_list args )
 994 {
 995     vlm_media_t *p_dsc;
 996     vlm_media_t **pp_dsc;
 997     vlm_media_t ***ppp_dsc;
 998     vlm_media_instance_t ***ppp_idsc;
 999     const char *psz_id;
1000     const char *psz_vod;
1001     int64_t *p_id;
1002     int64_t id;
1003     int i_int;
1004     int *pi_int;
1005
1006     int64_t *pi_i64;
1007     int64_t i_i64;
1008     double *pd_double;
1009     double d_double;
1010
1011     switch( i_query )
1012     {
1013     /* Media control */
1014     case VLM_GET_MEDIAS:
1015         ppp_dsc = (vlm_media_t ***)va_arg( args, vlm_media_t *** );
1016         pi_int = (int *)va_arg( args, int * );
1017         return vlm_ControlMediaGets( p_vlm, ppp_dsc, pi_int );
1018
1019     case VLM_CLEAR_MEDIAS:
1020         return vlm_ControlMediaClear( p_vlm );
1021
1022     case VLM_CHANGE_MEDIA:
1023         p_dsc = (vlm_media_t*)va_arg( args, vlm_media_t * );
1024         return vlm_ControlMediaChange( p_vlm, p_dsc );
1025
1026     case VLM_ADD_MEDIA:
1027         p_dsc = (vlm_media_t*)va_arg( args, vlm_media_t * );
1028         p_id = (int64_t*)va_arg( args, int64_t * );
1029         return vlm_ControlMediaAdd( p_vlm, p_dsc, p_id );
1030
1031     case VLM_DEL_MEDIA:
1032         id = (int64_t)va_arg( args, int64_t );
1033         return vlm_ControlMediaDel( p_vlm, id );
1034
1035     case VLM_GET_MEDIA:
1036         id = (int64_t)va_arg( args, int64_t );
1037         pp_dsc = (vlm_media_t **)va_arg( args, vlm_media_t ** );
1038         return vlm_ControlMediaGet( p_vlm, id, pp_dsc );
1039
1040     case VLM_GET_MEDIA_ID:
1041         psz_id = (const char*)va_arg( args, const char * );
1042         p_id = (int64_t*)va_arg( args, int64_t * );
1043         return vlm_ControlMediaGetId( p_vlm, psz_id, p_id );
1044
1045
1046     /* Media instance control */
1047     case VLM_GET_MEDIA_INSTANCES:
1048         id = (int64_t)va_arg( args, int64_t );
1049         ppp_idsc = (vlm_media_instance_t ***)va_arg( args, vlm_media_instance_t *** );
1050         pi_int = (int *)va_arg( args, int *);
1051         return vlm_ControlMediaInstanceGets( p_vlm, id, ppp_idsc, pi_int );
1052
1053     case VLM_CLEAR_MEDIA_INSTANCES:
1054         id = (int64_t)va_arg( args, int64_t );
1055         return vlm_ControlMediaInstanceClear( p_vlm, id );
1056
1057
1058     case VLM_START_MEDIA_BROADCAST_INSTANCE:
1059         id = (int64_t)va_arg( args, int64_t );
1060         psz_id = (const char*)va_arg( args, const char* );
1061         i_int = (int)va_arg( args, int );
1062         return vlm_ControlMediaInstanceStart( p_vlm, id, psz_id, i_int, NULL );
1063
1064     case VLM_START_MEDIA_VOD_INSTANCE:
1065         id = (int64_t)va_arg( args, int64_t );
1066         psz_id = (const char*)va_arg( args, const char* );
1067         i_int = (int)va_arg( args, int );
1068         psz_vod = (const char*)va_arg( args, const char* );
1069         if( !psz_vod )
1070             return VLC_EGENERIC;
1071         return vlm_ControlMediaInstanceStart( p_vlm, id, psz_id, i_int, psz_vod );
1072
1073     case VLM_STOP_MEDIA_INSTANCE:
1074         id = (int64_t)va_arg( args, int64_t );
1075         psz_id = (const char*)va_arg( args, const char* );
1076         return vlm_ControlMediaInstanceStop( p_vlm, id, psz_id );
1077
1078     case VLM_PAUSE_MEDIA_INSTANCE:
1079         id = (int64_t)va_arg( args, int64_t );
1080         psz_id = (const char*)va_arg( args, const char* );
1081         return vlm_ControlMediaInstancePause( p_vlm, id, psz_id );
1082
1083     case VLM_GET_MEDIA_INSTANCE_TIME:
1084         id = (int64_t)va_arg( args, int64_t );
1085         psz_id = (const char*)va_arg( args, const char* );
1086         pi_i64 = (int64_t*)va_arg( args, int64_t * );
1087         return vlm_ControlMediaInstanceGetTimePosition( p_vlm, id, psz_id, pi_i64, NULL );
1088     case VLM_GET_MEDIA_INSTANCE_POSITION:
1089         id = (int64_t)va_arg( args, int64_t );
1090         psz_id = (const char*)va_arg( args, const char* );
1091         pd_double = (double*)va_arg( args, double* );
1092         return vlm_ControlMediaInstanceGetTimePosition( p_vlm, id, psz_id, NULL, pd_double );
1093
1094     case VLM_SET_MEDIA_INSTANCE_TIME:
1095         id = (int64_t)va_arg( args, int64_t );
1096         psz_id = (const char*)va_arg( args, const char* );
1097         i_i64 = (int64_t)va_arg( args, int64_t);
1098         return vlm_ControlMediaInstanceSetTimePosition( p_vlm, id, psz_id, i_i64, -1 );
1099     case VLM_SET_MEDIA_INSTANCE_POSITION:
1100         id = (int64_t)va_arg( args, int64_t );
1101         psz_id = (const char*)va_arg( args, const char* );
1102         d_double = (double)va_arg( args, double );
1103         return vlm_ControlMediaInstanceSetTimePosition( p_vlm, id, psz_id, -1, d_double );
1104
1105     case VLM_CLEAR_SCHEDULES:
1106         return vlm_ControlScheduleClear( p_vlm );
1107
1108     default:
1109         msg_Err( p_vlm, "unknown VLM query" );
1110         return VLC_EGENERIC;
1111     }
1112 }
1113
1114 int vlm_ControlInternal( vlm_t *p_vlm, int i_query, ... )
1115 {
1116     va_list args;
1117     int     i_result;
1118
1119     va_start( args, i_query );
1120     i_result = vlm_vaControlInternal( p_vlm, i_query, args );
1121     va_end( args );
1122
1123     return i_result;
1124 }
1125
1126 int vlm_Control( vlm_t *p_vlm, int i_query, ... )
1127 {
1128     va_list args;
1129     int     i_result;
1130
1131     va_start( args, i_query );
1132
1133     vlc_mutex_lock( &p_vlm->lock );
1134     i_result = vlm_vaControlInternal( p_vlm, i_query, args );
1135     vlc_mutex_unlock( &p_vlm->lock );
1136
1137     va_end( args );
1138
1139     return i_result;
1140 }
1141
1142 #else /* ENABLE_VLM */
1143
1144 /* We just define an empty wrapper */
1145 vlm_t *__vlm_New( vlc_object_t *a )
1146 {
1147     msg_Err( a, "VideoLAN manager support is disabled" );
1148     return NULL;
1149 }
1150
1151 void vlm_Delete( vlm_t *a )
1152 {
1153     (void)a;
1154 }
1155
1156 int vlm_ExecuteCommand( vlm_t *a, const char *b, vlm_message_t **c )
1157 {
1158     abort();
1159 }
1160
1161 vlm_message_t *vlm_MessageNew( const char *psz_name,
1162                                const char *psz_format, ... )
1163 {
1164     (void)psz_name; (void)psz_format;
1165     return NULL;
1166 }
1167
1168 vlm_message_t *vlm_MessageAdd( vlm_message_t *p_message,
1169                                vlm_message_t *p_child )
1170 {
1171     abort();
1172 }
1173
1174 void vlm_MessageDelete( vlm_message_t *a )
1175 {
1176     (void)a;
1177 }
1178
1179 int vlm_Control( vlm_t *p_vlm, int i_query, ... )
1180 {
1181     (void)p_vlm; (void)i_query;
1182     return VLC_EGENERIC;
1183 }
1184
1185 #endif /* ENABLE_VLM */