src/control/vlm.c

   1 /*****************************************************************************
   2  * vlm.c: libvlc new API VLM handling functions
   3  *****************************************************************************
   4  * Copyright (C) 2005 the VideoLAN team
   5  * $Id$
   6  *
   7  * Authors: Clément Stenac <zorglub@videolan.org>
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  22  *****************************************************************************/
  23
  24 #ifdef HAVE_CONFIG_H
  25 # include <config.h>
  26 #endif
  27
  28 #include <vlc/libvlc.h>
  29 #include <vlc/libvlc_vlm.h>
  30 #include <vlc_es.h>
  31 #include <vlc_input.h>
  32 #include <vlc_vlm.h>
  33 #include <assert.h>
  34
  35 #include "libvlc_internal.h"
  36
  37 /* VLM events callback. Transmit to libvlc */
  38 static int VlmEvent( vlc_object_t *p_this, const char * name,
  39                      vlc_value_t old_val, vlc_value_t newval, void *param )
  40 {
  41     VLC_UNUSED(p_this);
  42     VLC_UNUSED(name);
  43     VLC_UNUSED(old_val);
  44     vlm_event_t *event = (vlm_event_t*)newval.p_address;
  45     libvlc_event_manager_t *p_event_manager = (libvlc_event_manager_t *) param;
  46     libvlc_event_t libvlc_event;
  47
  48     libvlc_event.u.vlm_media_event.psz_instance_name = NULL;
  49     libvlc_event.u.vlm_media_event.psz_media_name = event->psz_name;
  50
  51     switch( event->i_type )
  52     {
  53     case VLM_EVENT_MEDIA_ADDED:
  54         libvlc_event.type = libvlc_VlmMediaAdded;
  55         break;
  56     case VLM_EVENT_MEDIA_REMOVED:
  57         libvlc_event.type = libvlc_VlmMediaRemoved;
  58         break;
  59     case VLM_EVENT_MEDIA_CHANGED:
  60         libvlc_event.type = libvlc_VlmMediaChanged;
  61         break;
  62     case VLM_EVENT_MEDIA_INSTANCE_STARTED:
  63         libvlc_event.type = libvlc_VlmMediaInstanceStarted;
  64         break;
  65     case VLM_EVENT_MEDIA_INSTANCE_STOPPED:
  66         libvlc_event.type = libvlc_VlmMediaInstanceStopped;
  67         break;
  68     case VLM_EVENT_MEDIA_INSTANCE_STATE:
  69         libvlc_event.u.vlm_media_event.psz_instance_name =
  70             event->psz_instance_name;
  71         switch( event->input_state )
  72         {
  73         case INIT_S:
  74             libvlc_event.type = libvlc_VlmMediaInstanceStatusInit;
  75             break;
  76         case OPENING_S:
  77             libvlc_event.type =
  78                 libvlc_VlmMediaInstanceStatusOpening;
  79             break;
  80         case PLAYING_S:
  81             libvlc_event.type =
  82                 libvlc_VlmMediaInstanceStatusPlaying;
  83             break;
  84         case PAUSE_S:
  85             libvlc_event.type = libvlc_VlmMediaInstanceStatusPause;
  86             break;
  87         case END_S:
  88             libvlc_event.type = libvlc_VlmMediaInstanceStatusEnd;
  89             break;
  90         case ERROR_S:
  91             libvlc_event.type = libvlc_VlmMediaInstanceStatusError;
  92             break;
  93         default:
  94             return 0;
  95         }
  96         break;
  97     default:
  98         return 0;
  99     }
 100     libvlc_event_send( p_event_manager, &libvlc_event );
 101     return 0;
 102 }
 103
 104 static void libvlc_vlm_release_internal( libvlc_instance_t *p_instance )
 105 {
 106     vlm_t *p_vlm = p_instance->libvlc_vlm.p_vlm;
 107     if( !p_instance->libvlc_vlm.p_vlm )
 108         return;
 109     /* We need to remove medias in order to receive events */
 110     vlm_Control( p_vlm, VLM_CLEAR_MEDIAS );
 111     vlm_Control( p_vlm, VLM_CLEAR_SCHEDULES );
 112
 113     var_DelCallback( (vlc_object_t *)p_vlm, "intf-event", VlmEvent,
 114                      p_instance->libvlc_vlm.p_event_manager );
 115     p_instance->libvlc_vlm.pf_release = NULL;
 116     libvlc_event_manager_release( p_instance->libvlc_vlm.p_event_manager );
 117     p_instance->libvlc_vlm.p_event_manager = NULL;
 118     vlm_Delete( p_vlm );
 119     p_instance->libvlc_vlm.p_vlm = NULL;
 120 }
 121
 122 static int libvlc_vlm_init( libvlc_instance_t *p_instance )
 123 {
 124     if( !p_instance->libvlc_vlm.p_event_manager )
 125     {
 126         p_instance->libvlc_vlm.p_event_manager =
 127             libvlc_event_manager_new( p_instance->libvlc_vlm.p_vlm, p_instance );
 128         if( unlikely(p_instance->libvlc_vlm.p_event_manager == NULL) )
 129             return VLC_ENOMEM;
 130         libvlc_event_manager_register_event_type(
 131             p_instance->libvlc_vlm.p_event_manager,
 132             libvlc_VlmMediaAdded );
 133         libvlc_event_manager_register_event_type(
 134             p_instance->libvlc_vlm.p_event_manager,
 135             libvlc_VlmMediaRemoved );
 136         libvlc_event_manager_register_event_type(
 137             p_instance->libvlc_vlm.p_event_manager,
 138             libvlc_VlmMediaChanged );
 139         libvlc_event_manager_register_event_type(
 140             p_instance->libvlc_vlm.p_event_manager,
 141             libvlc_VlmMediaInstanceStarted );
 142         libvlc_event_manager_register_event_type(
 143             p_instance->libvlc_vlm.p_event_manager,
 144             libvlc_VlmMediaInstanceStopped );
 145         libvlc_event_manager_register_event_type(
 146             p_instance->libvlc_vlm.p_event_manager,
 147             libvlc_VlmMediaInstanceStatusInit );
 148         libvlc_event_manager_register_event_type(
 149             p_instance->libvlc_vlm.p_event_manager,
 150             libvlc_VlmMediaInstanceStatusOpening );
 151         libvlc_event_manager_register_event_type(
 152             p_instance->libvlc_vlm.p_event_manager,
 153             libvlc_VlmMediaInstanceStatusPlaying );
 154         libvlc_event_manager_register_event_type(
 155             p_instance->libvlc_vlm.p_event_manager,
 156             libvlc_VlmMediaInstanceStatusPause );
 157         libvlc_event_manager_register_event_type(
 158             p_instance->libvlc_vlm.p_event_manager,
 159             libvlc_VlmMediaInstanceStatusEnd );
 160         libvlc_event_manager_register_event_type(
 161             p_instance->libvlc_vlm.p_event_manager,
 162             libvlc_VlmMediaInstanceStatusError );
 163     }
 164
 165     if( !p_instance->libvlc_vlm.p_vlm )
 166     {
 167         p_instance->libvlc_vlm.p_vlm = vlm_New( p_instance->p_libvlc_int );
 168         if( !p_instance->libvlc_vlm.p_vlm )
 169         {
 170             libvlc_printerr( "VLM not supported or out of memory" );
 171             return VLC_EGENERIC;
 172         }
 173         var_AddCallback( (vlc_object_t *)p_instance->libvlc_vlm.p_vlm,
 174                          "intf-event", VlmEvent,
 175                          p_instance->libvlc_vlm.p_event_manager );
 176         p_instance->libvlc_vlm.pf_release = libvlc_vlm_release_internal;
 177     }
 178
 179     return VLC_SUCCESS;
 180 }
 181
 182 void libvlc_vlm_release( libvlc_instance_t *p_instance )
 183 {
 184     libvlc_vlm_release_internal( p_instance );
 185 }
 186
 187 #define VLM_RET(p,ret) do { \
 188     if( libvlc_vlm_init( p_instance ) ) \
 189         return (ret); \
 190     (p) = p_instance->libvlc_vlm.p_vlm; \
 191   } while(0)
 192
 193 static vlm_media_instance_t *
 194 libvlc_vlm_get_media_instance( libvlc_instance_t *p_instance,
 195                                const char *psz_name, int i_minstance_idx )
 196 {
 197     vlm_t *p_vlm;
 198     vlm_media_instance_t **pp_minstance;
 199     vlm_media_instance_t *p_minstance;
 200     int i_minstance;
 201     int64_t id;
 202
 203     VLM_RET(p_vlm, NULL);
 204
 205     if( vlm_Control( p_vlm, VLM_GET_MEDIA_ID, psz_name, &id ) ||
 206         vlm_Control( p_vlm, VLM_GET_MEDIA_INSTANCES, id, &pp_minstance,
 207                      &i_minstance ) )
 208     {
 209         libvlc_printerr( "%s: media instances not found", psz_name );
 210         return NULL;
 211     }
 212     p_minstance = NULL;
 213     if( i_minstance_idx >= 0 && i_minstance_idx < i_minstance )
 214     {
 215         p_minstance = pp_minstance[i_minstance_idx];
 216         TAB_REMOVE( i_minstance, pp_minstance, p_minstance );
 217     }
 218     while( i_minstance > 0 )
 219         vlm_media_instance_Delete( pp_minstance[--i_minstance] );
 220     TAB_CLEAN( i_minstance, pp_minstance );
 221     return p_minstance;
 222 }
 223
 224 /* local function to be used in libvlc_vlm_show_media only */
 225 static char* recurse_answer( vlm_message_t *p_answer, const char* psz_delim,
 226                              const int i_list ) {
 227     char* psz_childdelim = NULL;
 228     char* psz_nametag = NULL;
 229     char* psz_response = strdup( "" );
 230     int i_success = 0;
 231     int i;
 232     vlm_message_t *aw_child, **paw_child;
 233
 234     i_success = asprintf( &psz_childdelim, "%s\t", psz_delim);
 235
 236     /* starting with the children of root node */
 237     if( i_success != -1 && p_answer->i_child )
 238     {
 239         paw_child = p_answer->child;
 240         aw_child = *( paw_child );
 241         /* Iterate over children */
 242         for( i = 0; i < p_answer->i_child; i++ )
 243         {
 244             /* Spare comma if it is the last element */
 245             char c_comma = ',';
 246             if( i == (p_answer->i_child - 1) )
 247                 c_comma = ' ';
 248
 249             /* Append name of child node, if not in a list */
 250             if( !i_list )
 251             {
 252                 i_success = asprintf( &psz_response, "%s\"%s\": ",
 253                               psz_response, aw_child->psz_name );
 254                 if( i_success == -1 ) break;
 255             }
 256
 257             /* If child node has children, */
 258             if( aw_child->i_child )
 259             {
 260                 /* If the parent node is a list (hence the child node is
 261                  * inside a list), create a property of its name as if it
 262                  * had a name value node
 263                  */
 264                 if( i_list )
 265                 {
 266                     i_success = asprintf( &psz_nametag, "\"name\": \"%s\",%s",
 267                                   aw_child->psz_name, psz_childdelim );
 268                     if( i_success == -1 ) break;
 269                 }
 270                 else
 271                 {
 272                     psz_nametag = strdup( "" );
 273                 }
 274                 /* If the child is a list itself, format it accordingly and
 275                  * recurse through the child's children, telling them that
 276                  * they are inside a list.
 277                  */
 278                 if( strcmp( aw_child->psz_name, "media" ) == 0 ||
 279                     strcmp( aw_child->psz_name, "inputs" ) == 0 ||
 280                     strcmp( aw_child->psz_name, "options" ) == 0 )
 281                 {
 282                     i_success = asprintf( &psz_response, "%s[%s%s%s]%c%s",
 283                                           psz_response, psz_childdelim,
 284                                           recurse_answer( aw_child,
 285                                                           psz_childdelim, 1 ),
 286                                           psz_delim, c_comma, psz_delim );
 287                     if( i_success == -1 ) break;
 288                 }
 289                 /* Not a list, so format the child as a JSON object and
 290                  * recurse through the child's children
 291                  */
 292                 else
 293                 {
 294                     i_success = asprintf( &psz_response, "%s{%s%s%s%s}%c%s",
 295                                           psz_response, psz_childdelim, psz_nametag,
 296                                           recurse_answer( aw_child,
 297                                                           psz_childdelim, 0 ),
 298                                           psz_delim, c_comma, psz_delim );
 299                     if( i_success == -1 ) break;
 300                 }
 301             }
 302             /* Otherwise - when no children are present - the node is a
 303              * value node. So print the value string
 304              */
 305             else
 306             {
 307                 /* If value is equivalent to NULL, print it as null */
 308                 if( aw_child->psz_value == NULL
 309                     || strcmp( aw_child->psz_value, "(null)" ) == 0 )
 310                 {
 311                     i_success = asprintf( &psz_response, "%snull%c%s",
 312                                           psz_response, c_comma, psz_delim );
 313                     if( i_success == -1 )
 314                         break;
 315                 }
 316                 /* Otherwise print the value in quotation marks */
 317                 else
 318                 {
 319                     i_success = asprintf( &psz_response, "%s\"%s\"%c%s",
 320                                           psz_response, aw_child->psz_value,
 321                                           c_comma, psz_delim );
 322                     if( i_success == -1 ) break;
 323                 }
 324             }
 325             /* getting next child */
 326             paw_child++;
 327             aw_child = *( paw_child );
 328         }
 329     }
 330     free( psz_nametag );
 331     free( psz_childdelim );
 332     if( i_success == -1 )
 333     {
 334         free( psz_response );
 335         psz_response = strdup( "" );
 336     }
 337     return psz_response;
 338 }
 339
 340 const char* libvlc_vlm_show_media( libvlc_instance_t *p_instance,
 341                                    const char *psz_name )
 342 {
 343     char *psz_message = NULL;
 344     vlm_message_t *answer = NULL;
 345     char *psz_response = NULL;
 346     const char *psz_fmt = NULL;
 347     const char *psz_delimiter = NULL;
 348     int i_list;
 349     vlm_t *p_vlm = NULL;
 350
 351     VLM_RET(p_vlm, NULL);
 352
 353     assert( psz_name );
 354
 355     if( asprintf( &psz_message, "show %s", psz_name ) == -1 )
 356         return NULL;
 357
 358     vlm_ExecuteCommand( p_vlm, psz_message, &answer );
 359     if( answer->psz_value )
 360     {
 361         libvlc_printerr( "Unable to call show %s: %s",
 362                          psz_name, answer->psz_value );
 363     }
 364     else if ( answer->child )
 365     {   /* in case everything was requested  */
 366         if ( strcmp( psz_name, "" ) == 0 )
 367         {
 368             psz_fmt = "{\n\t%s\n}\n";
 369             psz_delimiter = "\n\t";
 370             i_list = 0;
 371         }
 372         else
 373         {
 374             psz_fmt = "%s\n";
 375             psz_delimiter = "\n";
 376             i_list = 1;
 377         }
 378         if( asprintf( &psz_response, psz_fmt,
 379                       recurse_answer( answer, psz_delimiter, i_list ) ) == -1 )
 380         {
 381             libvlc_printerr( "Out of memory" );
 382             psz_response = NULL;
 383         }
 384     }
 385     free( psz_message );
 386     return( psz_response );
 387 }
 388
 389
 390 int libvlc_vlm_add_broadcast( libvlc_instance_t *p_instance,
 391                               const char *psz_name,
 392                               const char *psz_input,
 393                               const char *psz_output, int i_options,
 394                               const char * const *ppsz_options,
 395                               int b_enabled, int b_loop )
 396 {
 397     vlm_t *p_vlm;
 398     vlm_media_t m;
 399     int n;
 400
 401     VLM_RET(p_vlm, -1);
 402
 403     vlm_media_Init( &m );
 404     m.psz_name = strdup( psz_name );
 405     m.b_enabled = b_enabled;
 406     m.b_vod = false;
 407     m.broadcast.b_loop = b_loop;
 408     if( psz_input )
 409         TAB_APPEND( m.i_input, m.ppsz_input, strdup(psz_input) );
 410     if( psz_output )
 411         m.psz_output = strdup( psz_output );
 412     for( n = 0; n < i_options; n++ )
 413         TAB_APPEND( m.i_option, m.ppsz_option, strdup(ppsz_options[n]) );
 414
 415     n = vlm_Control( p_vlm, VLM_ADD_MEDIA, &m, NULL );
 416     vlm_media_Clean( &m );
 417     if( n )
 418     {
 419         libvlc_printerr( "Media %s creation failed", psz_name );
 420         return -1;
 421     }
 422     return 0;
 423 }
 424
 425 int libvlc_vlm_add_vod( libvlc_instance_t *p_instance, const char *psz_name,
 426                         const char *psz_input, int i_options,
 427                         const char * const *ppsz_options, int b_enabled,
 428                         const char *psz_mux )
 429 {
 430     vlm_t *p_vlm;
 431     vlm_media_t m;
 432     int n;
 433
 434     VLM_RET(p_vlm, -1);
 435
 436     vlm_media_Init( &m );
 437     m.psz_name = strdup( psz_name );
 438     m.b_enabled = b_enabled;
 439     m.b_vod = true;
 440     m.vod.psz_mux = psz_mux ? strdup( psz_mux ) : NULL;
 441     if( psz_input )
 442         TAB_APPEND( m.i_input, m.ppsz_input, strdup(psz_input) );
 443     for( n = 0; n < i_options; n++ )
 444         TAB_APPEND( m.i_option, m.ppsz_option, strdup(ppsz_options[n]) );
 445
 446     n = vlm_Control( p_vlm, VLM_ADD_MEDIA, &m, NULL );
 447     vlm_media_Clean( &m );
 448     if( n )
 449     {
 450         libvlc_printerr( "Media %s creation failed", psz_name );
 451         return -1;
 452     }
 453     return 0;
 454 }
 455
 456 int libvlc_vlm_del_media( libvlc_instance_t *p_instance, const char *psz_name )
 457 {
 458     vlm_t *p_vlm;
 459     int64_t id;
 460
 461     VLM_RET(p_vlm, -1);
 462
 463     if( vlm_Control( p_vlm, VLM_GET_MEDIA_ID, psz_name, &id ) ||
 464         vlm_Control( p_vlm, VLM_DEL_MEDIA, id ) )
 465     {
 466         libvlc_printerr( "Unable to delete %s", psz_name );
 467         return -1;
 468     }
 469     return 0;
 470 }
 471
 472 static vlm_media_t *get_media( libvlc_instance_t *p_instance,
 473                                vlm_t **restrict pp_vlm, const char *name )
 474 {
 475     vlm_media_t *p_media;
 476     vlm_t *p_vlm;
 477     int64_t id;
 478
 479     VLM_RET(p_vlm, NULL);
 480     if( vlm_Control( p_vlm, VLM_GET_MEDIA_ID, name, &id ) ||
 481         vlm_Control( p_vlm, VLM_GET_MEDIA, id, &p_media ) )
 482         return NULL;
 483     *pp_vlm = p_vlm;
 484     return p_media;
 485 }
 486
 487 #define VLM_CHANGE(psz_error, code ) do {   \
 488     vlm_t *p_vlm;           \
 489     vlm_media_t *p_media = get_media( p_instance, &p_vlm, psz_name ); \
 490     if( p_media != NULL ) { \
 491         code;               \
 492         if( vlm_Control( p_vlm, VLM_CHANGE_MEDIA, p_media ) )       \
 493             p_vlm = NULL;                                           \
 494         vlm_media_Delete( p_media );                                \
 495         if( p_vlm != NULL ) \
 496             return 0;       \
 497     }                       \
 498     libvlc_printerr( psz_error, psz_name );                         \
 499     return -1;              \
 500   } while(0)
 501
 502 int libvlc_vlm_set_enabled( libvlc_instance_t *p_instance,
 503                             const char *psz_name, int b_enabled )
 504 {
 505 #define VLM_CHANGE_CODE { p_media->b_enabled = b_enabled; }
 506     VLM_CHANGE( "Unable to delete %s", VLM_CHANGE_CODE );
 507 #undef VLM_CHANGE_CODE
 508 }
 509
 510 int libvlc_vlm_set_loop( libvlc_instance_t *p_instance, const char *psz_name,
 511                          int b_loop )
 512 {
 513 #define VLM_CHANGE_CODE { p_media->broadcast.b_loop = b_loop; }
 514     VLM_CHANGE( "Unable to change %s loop property", VLM_CHANGE_CODE );
 515 #undef VLM_CHANGE_CODE
 516 }
 517
 518 int libvlc_vlm_set_mux( libvlc_instance_t *p_instance, const char *psz_name,
 519                         const char *psz_mux )
 520 {
 521 #define VLM_CHANGE_CODE { if( p_media->b_vod ) { \
 522                             free( p_media->vod.psz_mux ); \
 523                             p_media->vod.psz_mux = psz_mux \
 524                                  ? strdup( psz_mux ) : NULL; \
 525                           } }
 526     VLM_CHANGE( "Unable to change %s mux property", VLM_CHANGE_CODE );
 527 #undef VLM_CHANGE_CODE
 528 }
 529
 530 int libvlc_vlm_set_output( libvlc_instance_t *p_instance,
 531                            const char *psz_name, const char *psz_output )
 532 {
 533 #define VLM_CHANGE_CODE { free( p_media->psz_output ); \
 534                           p_media->psz_output = strdup( psz_output ); }
 535     VLM_CHANGE( "Unable to change %s output property", VLM_CHANGE_CODE );
 536 #undef VLM_CHANGE_CODE
 537 }
 538
 539 int libvlc_vlm_set_input( libvlc_instance_t *p_instance,
 540                           const char *psz_name, const char *psz_input )
 541 {
 542 #define VLM_CHANGE_CODE { while( p_media->i_input > 0 ) \
 543                             free( p_media->ppsz_input[--p_media->i_input] );\
 544                           TAB_APPEND( p_media->i_input, p_media->ppsz_input, \
 545                                       strdup(psz_input) ); }
 546     VLM_CHANGE( "Unable to change %s input property", VLM_CHANGE_CODE );
 547 #undef VLM_CHANGE_CODE
 548 }
 549
 550 int libvlc_vlm_add_input( libvlc_instance_t *p_instance,
 551                           const char *psz_name, const char *psz_input )
 552 {
 553 #define VLM_CHANGE_CODE { TAB_APPEND( p_media->i_input, p_media->ppsz_input, \
 554                           strdup(psz_input) ); }
 555     VLM_CHANGE( "Unable to change %s input property", VLM_CHANGE_CODE );
 556 #undef VLM_CHANGE_CODE
 557 }
 558
 559 int libvlc_vlm_change_media( libvlc_instance_t *p_instance,
 560                              const char *psz_name, const char *psz_input,
 561                              const char *psz_output, int i_options,
 562                              const char * const *ppsz_options, int b_enabled,
 563                              int b_loop )
 564 {
 565 #define VLM_CHANGE_CODE { int n;        \
 566     p_media->b_enabled = b_enabled;     \
 567     p_media->broadcast.b_loop = b_loop; \
 568     while( p_media->i_input > 0 )       \
 569         free( p_media->ppsz_input[--p_media->i_input] );    \
 570     if( psz_input )                     \
 571         TAB_APPEND( p_media->i_input, p_media->ppsz_input, strdup(psz_input) ); \
 572     free( p_media->psz_output );        \
 573     p_media->psz_output = psz_output ? strdup( psz_output ) : NULL; \
 574     while( p_media->i_option > 0 )     \
 575         free( p_media->ppsz_option[--p_media->i_option] );        \
 576     for( n = 0; n < i_options; n++ )    \
 577         TAB_APPEND( p_media->i_option, p_media->ppsz_option, \
 578                     strdup(ppsz_options[n]) );   \
 579   }
 580     VLM_CHANGE( "Unable to change %s properties", VLM_CHANGE_CODE );
 581 #undef VLM_CHANGE_CODE
 582 }
 583
 584 int libvlc_vlm_play_media( libvlc_instance_t *p_instance,
 585                            const char *psz_name )
 586 {
 587     vlm_t *p_vlm;
 588     int64_t id;
 589
 590     VLM_RET(p_vlm, -1);
 591
 592     if( vlm_Control( p_vlm, VLM_GET_MEDIA_ID, psz_name, &id ) ||
 593         vlm_Control( p_vlm, VLM_START_MEDIA_BROADCAST_INSTANCE, id, NULL, 0 ) )
 594     {
 595         libvlc_printerr( "Unable to play %s", psz_name );
 596         return -1;
 597     }
 598     return 0;
 599 }
 600
 601 int libvlc_vlm_stop_media( libvlc_instance_t *p_instance,
 602                            const char *psz_name )
 603 {
 604     vlm_t *p_vlm;
 605     int64_t id;
 606
 607     VLM_RET(p_vlm, -1);
 608
 609     if( vlm_Control( p_vlm, VLM_GET_MEDIA_ID, psz_name, &id ) ||
 610         vlm_Control( p_vlm, VLM_STOP_MEDIA_INSTANCE, id, NULL ) )
 611     {
 612         libvlc_printerr( "Unable to stop %s", psz_name );
 613         return -1;
 614     }
 615     return 0;
 616 }
 617
 618 int libvlc_vlm_pause_media( libvlc_instance_t *p_instance,
 619                             const char *psz_name )
 620 {
 621     vlm_t *p_vlm;
 622     int64_t id;
 623
 624     VLM_RET(p_vlm, -1);
 625
 626     if( vlm_Control( p_vlm, VLM_GET_MEDIA_ID, psz_name, &id ) ||
 627         vlm_Control( p_vlm, VLM_PAUSE_MEDIA_INSTANCE, id, NULL ) )
 628     {
 629         libvlc_printerr( "Unable to pause %s", psz_name );
 630         return -1;
 631     }
 632     return 0;
 633 }
 634
 635 int libvlc_vlm_seek_media( libvlc_instance_t *p_instance,
 636                            const char *psz_name, float f_percentage )
 637 {
 638     vlm_t *p_vlm;
 639     int64_t id;
 640
 641     VLM_RET(p_vlm, -1);
 642
 643     if( vlm_Control( p_vlm, VLM_GET_MEDIA_ID, psz_name, &id ) ||
 644         vlm_Control( p_vlm, VLM_SET_MEDIA_INSTANCE_POSITION, id, NULL,
 645                      f_percentage ) )
 646     {
 647         libvlc_printerr( "Unable to seek %s to %f%%", psz_name, f_percentage );
 648         return -1;
 649     }
 650     return 0;
 651 }
 652
 653 float libvlc_vlm_get_media_instance_position( libvlc_instance_t *p_instance,
 654                                               const char *psz_name,
 655                                               int i_instance )
 656 {
 657     vlm_media_instance_t *p_mi;
 658     float result = -1.;
 659
 660     p_mi = libvlc_vlm_get_media_instance( p_instance, psz_name, i_instance );
 661     if( p_mi )
 662     {
 663         result = p_mi->d_position;
 664         vlm_media_instance_Delete( p_mi );
 665     }
 666     return result;
 667 }
 668
 669 int libvlc_vlm_get_media_instance_time( libvlc_instance_t *p_instance,
 670                                         const char *psz_name, int i_instance )
 671 {
 672     vlm_media_instance_t *p_mi;
 673     int result = -1;
 674
 675     p_mi = libvlc_vlm_get_media_instance( p_instance, psz_name, i_instance );
 676     if( p_mi )
 677     {
 678         result = p_mi->i_time;
 679         vlm_media_instance_Delete( p_mi );
 680     }
 681     return result;
 682 }
 683
 684 int libvlc_vlm_get_media_instance_length( libvlc_instance_t *p_instance,
 685                                           const char *psz_name,
 686                                           int i_instance )
 687 {
 688     vlm_media_instance_t *p_mi;
 689     int result = -1;
 690
 691     p_mi = libvlc_vlm_get_media_instance( p_instance, psz_name, i_instance );
 692     if( p_mi )
 693     {
 694         result = p_mi->i_length;
 695         vlm_media_instance_Delete( p_mi );
 696     }
 697     return result;
 698 }
 699
 700 int libvlc_vlm_get_media_instance_rate( libvlc_instance_t *p_instance,
 701                                         const char *psz_name, int i_instance )
 702 {
 703     vlm_media_instance_t *p_mi;
 704     int result = -1;
 705
 706     p_mi = libvlc_vlm_get_media_instance( p_instance, psz_name, i_instance );
 707     if( p_mi )
 708     {
 709         result = p_mi->i_rate;
 710         vlm_media_instance_Delete( p_mi );
 711     }
 712     return result;
 713 }
 714
 715 #if 0
 716 int libvlc_vlm_get_media_instance_title( libvlc_instance_t *p_instance,
 717                                          const char *psz_name, int i_instance )
 718 {
 719     vlm_media_instance_t *p_mi;
 720
 721     p_mi = libvlc_vlm_get_media_instance( p_instance, psz_name, i_instance );
 722     if( p_mi )
 723         vlm_media_instance_Delete( p_mi );
 724     return p_mi ? 0 : -1;
 725 }
 726
 727 int libvlc_vlm_get_media_instance_chapter( libvlc_instance_t *p_instance,
 728                                            const char *psz_name,
 729                                            int i_instance )
 730 {
 731     vlm_media_instance_t *p_mi;
 732
 733     p_mi = libvlc_vlm_get_media_instance( p_instance, psz_name,
 734                                           i_instance );
 735     if( p_mi )
 736         vlm_media_instance_Delete( p_mi );
 737     return p_mi ? 0 : -1;
 738 }
 739
 740 int libvlc_vlm_get_media_instance_seekable( libvlc_instance_t *p_instance,
 741                                             const char *psz_name,
 742                                             int i_instance )
 743 {
 744     vlm_media_instance_t *p_mi;
 745
 746     p_mi = libvlc_vlm_get_media_instance( p_instance, psz_name, i_instance );
 747     if( p_mi )
 748         vlm_media_instance_Delete( p_mi );
 749     return p_mi ? 0 : -1;
 750 }
 751 #endif
 752
 753 libvlc_event_manager_t *
 754 libvlc_vlm_get_event_manager( libvlc_instance_t *p_instance )
 755 {
 756     vlm_t *p_vlm;
 757     VLM_RET( p_vlm, NULL);
 758     return p_instance->libvlc_vlm.p_event_manager;
 759 }