git.sesse.net Git - vlc/blob - 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 #include <vlc/libvlc.h>
  25 #include <vlc/libvlc_vlm.h>
  26 #include <vlc_es.h>
  27 #include <vlc_input.h>
  28 #include <vlc_vlm.h>
  29
  30 #include "libvlc_internal.h"
  31
  32 /* VLM events callback. Transmit to libvlc */
  33 static int VlmEvent( vlc_object_t *p_this, const char * name,
  34                      vlc_value_t old_val, vlc_value_t newval, void *param )
  35 {
  36     vlm_event_t *event = (vlm_event_t*)newval.p_address;
  37     libvlc_event_manager_t *p_event_manager = (libvlc_event_manager_t *) param;
  38     libvlc_event_t libvlc_event;
  39
  40     VLC_UNUSED( p_this );
  41     VLC_UNUSED( name );
  42     VLC_UNUSED( old_val );
  43
  44     libvlc_event.u.vlm_media_event.psz_instance_name = NULL;
  45     libvlc_event.u.vlm_media_event.psz_media_name = event->psz_name;
  46
  47     switch( event->i_type )
  48     {
  49     case VLM_EVENT_MEDIA_ADDED:
  50         libvlc_event.type = libvlc_VlmMediaAdded;
  51         break;
  52     case VLM_EVENT_MEDIA_REMOVED:
  53         libvlc_event.type = libvlc_VlmMediaRemoved;
  54         break;
  55     case VLM_EVENT_MEDIA_CHANGED:
  56         libvlc_event.type = libvlc_VlmMediaChanged;
  57         break;
  58     case VLM_EVENT_MEDIA_INSTANCE_STARTED:
  59         libvlc_event.type = libvlc_VlmMediaInstanceStarted;
  60         break;
  61     case VLM_EVENT_MEDIA_INSTANCE_STOPPED:
  62         libvlc_event.type = libvlc_VlmMediaInstanceStopped;
  63         break;
  64     case VLM_EVENT_MEDIA_INSTANCE_STATE:
  65         libvlc_event.u.vlm_media_event.psz_instance_name =
  66             event->psz_instance_name;
  67         switch( event->input_state )
  68         {
  69         case INIT_S:
  70             libvlc_event.type = libvlc_VlmMediaInstanceStatusInit;
  71             break;
  72         case OPENING_S:
  73             libvlc_event.type =
  74                 libvlc_VlmMediaInstanceStatusOpening;
  75             break;
  76         case PLAYING_S:
  77             libvlc_event.type =
  78                 libvlc_VlmMediaInstanceStatusPlaying;
  79             break;
  80         case PAUSE_S:
  81             libvlc_event.type = libvlc_VlmMediaInstanceStatusPause;
  82             break;
  83         case END_S:
  84             libvlc_event.type = libvlc_VlmMediaInstanceStatusEnd;
  85             break;
  86         case ERROR_S:
  87             libvlc_event.type = libvlc_VlmMediaInstanceStatusError;
  88             break;
  89         default:
  90             return 0;
  91         }
  92         break;
  93     default:
  94         return 0;
  95     }
  96     libvlc_event_send( p_event_manager, &libvlc_event );
  97     return 0;
  98 }
  99
 100 static void libvlc_vlm_release_internal( libvlc_instance_t *p_instance )
 101 {
 102     vlm_t *p_vlm = p_instance->libvlc_vlm.p_vlm;
 103     if( !p_instance->libvlc_vlm.p_vlm )
 104         return;
 105     /* We need to remove medias in order to receive events */
 106     vlm_Control( p_vlm, VLM_CLEAR_MEDIAS );
 107     vlm_Control( p_vlm, VLM_CLEAR_SCHEDULES );
 108
 109     var_DelCallback( (vlc_object_t *)p_vlm, "intf-event", VlmEvent,
 110                      p_instance->libvlc_vlm.p_event_manager );
 111     p_instance->libvlc_vlm.pf_release = NULL;
 112     libvlc_event_manager_release( p_instance->libvlc_vlm.p_event_manager );
 113     p_instance->libvlc_vlm.p_event_manager = NULL;
 114     vlm_Delete( p_vlm );
 115     p_instance->libvlc_vlm.p_vlm = NULL;
 116 }
 117
 118 static int libvlc_vlm_init( libvlc_instance_t *p_instance,
 119                             libvlc_exception_t *p_exception )
 120 {
 121     if( !p_instance->libvlc_vlm.p_event_manager )
 122     {
 123         p_instance->libvlc_vlm.p_event_manager =
 124             libvlc_event_manager_new( p_instance->libvlc_vlm.p_vlm,
 125                                       p_instance, p_exception );
 126         libvlc_event_manager_register_event_type(
 127             p_instance->libvlc_vlm.p_event_manager,
 128             libvlc_VlmMediaAdded, NULL );
 129         libvlc_event_manager_register_event_type(
 130             p_instance->libvlc_vlm.p_event_manager,
 131             libvlc_VlmMediaRemoved, NULL );
 132         libvlc_event_manager_register_event_type(
 133             p_instance->libvlc_vlm.p_event_manager,
 134             libvlc_VlmMediaChanged, NULL );
 135         libvlc_event_manager_register_event_type(
 136             p_instance->libvlc_vlm.p_event_manager,
 137             libvlc_VlmMediaInstanceStarted, NULL );
 138         libvlc_event_manager_register_event_type(
 139             p_instance->libvlc_vlm.p_event_manager,
 140             libvlc_VlmMediaInstanceStopped, NULL );
 141         libvlc_event_manager_register_event_type(
 142             p_instance->libvlc_vlm.p_event_manager,
 143             libvlc_VlmMediaInstanceStatusInit, NULL );
 144         libvlc_event_manager_register_event_type(
 145             p_instance->libvlc_vlm.p_event_manager,
 146             libvlc_VlmMediaInstanceStatusOpening, NULL );
 147         libvlc_event_manager_register_event_type(
 148             p_instance->libvlc_vlm.p_event_manager,
 149             libvlc_VlmMediaInstanceStatusPlaying, NULL );
 150         libvlc_event_manager_register_event_type(
 151             p_instance->libvlc_vlm.p_event_manager,
 152             libvlc_VlmMediaInstanceStatusPause, NULL );
 153         libvlc_event_manager_register_event_type(
 154             p_instance->libvlc_vlm.p_event_manager,
 155             libvlc_VlmMediaInstanceStatusEnd, NULL );
 156         libvlc_event_manager_register_event_type(
 157             p_instance->libvlc_vlm.p_event_manager,
 158             libvlc_VlmMediaInstanceStatusError, NULL );
 159     }
 160
 161     if( !p_instance->libvlc_vlm.p_vlm )
 162     {
 163         p_instance->libvlc_vlm.p_vlm = vlm_New( p_instance->p_libvlc_int );
 164         if( !p_instance->libvlc_vlm.p_vlm )
 165         {
 166             libvlc_exception_raise( p_exception,
 167                                     "Unable to create VLM." );
 168             return VLC_EGENERIC;
 169         }
 170         var_AddCallback( (vlc_object_t *)p_instance->libvlc_vlm.p_vlm,
 171                          "intf-event", VlmEvent,
 172                          p_instance->libvlc_vlm.p_event_manager );
 173         p_instance->libvlc_vlm.pf_release = libvlc_vlm_release_internal;
 174     }
 175
 176     return VLC_SUCCESS;
 177 }
 178
 179 void libvlc_vlm_release( libvlc_instance_t *p_instance,
 180                          libvlc_exception_t *p_exception)
 181 {
 182     libvlc_vlm_release_internal( p_instance );
 183 }
 184
 185 #define VLM_RET(p,ret) do {                                     \
 186     if( libvlc_vlm_init( p_instance, p_exception ) ) return ret;\
 187     (p) = p_instance->libvlc_vlm.p_vlm;                                    \
 188   } while(0)
 189 #define VLM(p) VLM_RET(p,)
 190
 191 static vlm_media_instance_t *
 192 libvlc_vlm_get_media_instance( libvlc_instance_t *p_instance,
 193                                const char *psz_name, int i_minstance_idx,
 194                                libvlc_exception_t *p_exception )
 195 {
 196     vlm_t *p_vlm;
 197     vlm_media_instance_t **pp_minstance;
 198     vlm_media_instance_t *p_minstance;
 199     int i_minstance;
 200     int64_t id;
 201
 202     VLM_RET(p_vlm, NULL);
 203
 204     if( vlm_Control( p_vlm, VLM_GET_MEDIA_ID, psz_name, &id ) ||
 205         vlm_Control( p_vlm, VLM_GET_MEDIA_INSTANCES, id, &pp_minstance,
 206                      &i_minstance ) )
 207     {
 208         libvlc_exception_raise( p_exception, "Unable to get %s instances",
 209                                 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                                    libvlc_exception_t *p_exception )
 343 {
 344     char *psz_message = NULL;
 345     vlm_message_t *answer = NULL;
 346     char *psz_response = NULL;
 347     const char *psz_fmt = NULL;
 348     const char *psz_delimiter = NULL;
 349     int i_list;
 350     vlm_t *p_vlm = NULL;
 351
 352     VLM_RET(p_vlm, NULL);
 353
 354     if( psz_name == NULL )
 355     {
 356         libvlc_exception_raise( p_exception, "No media name supplied" );
 357     }
 358     else if( asprintf( &psz_message, "show %s", psz_name ) == -1 )
 359     {
 360         libvlc_exception_raise( p_exception, "Unable to call show %s",
 361                                 psz_name );
 362     }
 363     else
 364     {
 365         vlm_ExecuteCommand( p_vlm, psz_message, &answer );
 366         if( answer->psz_value )
 367         {
 368             libvlc_exception_raise( p_exception, "Unable to call show %s: %s",
 369                                     psz_name, answer->psz_value );
 370         }
 371         else if ( answer->child ) {
 372             /* in case everything was requested  */
 373             if ( strcmp( psz_name, "" ) == 0 )
 374             {
 375                 psz_fmt = "{\n\t%s\n}\n";
 376                 psz_delimiter = "\n\t";
 377                 i_list = 0;
 378             }
 379             else
 380             {
 381                 psz_fmt = "%s\n";
 382                 psz_delimiter = "\n";
 383                 i_list = 1;
 384             }
 385             if( asprintf( &psz_response, psz_fmt,
 386                           recurse_answer( answer, psz_delimiter, i_list ) )
 387                 == -1 )
 388             {
 389                 libvlc_exception_raise( p_exception, "Error in show %s",
 390                                         psz_name );
 391             }
 392         }
 393     }
 394     free( psz_message );
 395     return( psz_response );
 396 }
 397
 398
 399 void libvlc_vlm_add_broadcast( libvlc_instance_t *p_instance,
 400                                const char *psz_name,
 401                                const char *psz_input,
 402                                const char *psz_output, int i_options,
 403                                const char * const *ppsz_options,
 404                                int b_enabled, int b_loop,
 405                                libvlc_exception_t *p_exception )
 406 {
 407     vlm_t *p_vlm;
 408     vlm_media_t m;
 409     int n;
 410
 411     VLM(p_vlm);
 412
 413     vlm_media_Init( &m );
 414     m.psz_name = strdup( psz_name );
 415     m.b_enabled = b_enabled;
 416     m.b_vod = false;
 417     m.broadcast.b_loop = b_loop;
 418     if( psz_input )
 419         TAB_APPEND( m.i_input, m.ppsz_input, strdup(psz_input) );
 420     if( psz_output )
 421         m.psz_output = strdup( psz_output );
 422     for( n = 0; n < i_options; n++ )
 423         TAB_APPEND( m.i_option, m.ppsz_option, strdup(ppsz_options[n]) );
 424
 425     n = vlm_Control( p_vlm, VLM_ADD_MEDIA, &m, NULL );
 426     vlm_media_Clean( &m );
 427     if( n )
 428         libvlc_exception_raise( p_exception, "Media %s creation failed",
 429                                 psz_name );
 430 }
 431
 432 void libvlc_vlm_add_vod( libvlc_instance_t *p_instance, const char *psz_name,
 433                          const char *psz_input, int i_options,
 434                          const char * const *ppsz_options, int b_enabled,
 435                          const char *psz_mux, libvlc_exception_t *p_exception )
 436 {
 437     vlm_t *p_vlm;
 438     vlm_media_t m;
 439     int n;
 440
 441     VLM(p_vlm);
 442
 443     vlm_media_Init( &m );
 444     m.psz_name = strdup( psz_name );
 445     m.b_enabled = b_enabled;
 446     m.b_vod = true;
 447     m.vod.psz_mux = psz_mux ? strdup( psz_mux ) : NULL;
 448     if( psz_input )
 449         TAB_APPEND( m.i_input, m.ppsz_input, strdup(psz_input) );
 450     for( n = 0; n < i_options; n++ )
 451         TAB_APPEND( m.i_option, m.ppsz_option, strdup(ppsz_options[n]) );
 452
 453     n = vlm_Control( p_vlm, VLM_ADD_MEDIA, &m, NULL );
 454     vlm_media_Clean( &m );
 455     if( n )
 456         libvlc_exception_raise( p_exception, "Media %s creation failed",
 457                                 psz_name );
 458 }
 459
 460 void libvlc_vlm_del_media( libvlc_instance_t *p_instance, const char *psz_name,
 461                            libvlc_exception_t *p_exception )
 462 {
 463     vlm_t *p_vlm;
 464     int64_t id;
 465
 466     VLM(p_vlm);
 467
 468     if( vlm_Control( p_vlm, VLM_GET_MEDIA_ID, psz_name, &id ) ||
 469         vlm_Control( p_vlm, VLM_DEL_MEDIA, id ) )
 470     {
 471         libvlc_exception_raise( p_exception, "Unable to delete %s", psz_name );
 472     }
 473 }
 474
 475 #define VLM_CHANGE(psz_error, code ) do {   \
 476     vlm_media_t *p_media;   \
 477     vlm_t *p_vlm;           \
 478     int64_t id;             \
 479     VLM(p_vlm);             \
 480     if( vlm_Control( p_vlm, VLM_GET_MEDIA_ID, psz_name, &id ) ||    \
 481         vlm_Control( p_vlm, VLM_GET_MEDIA, id, &p_media ) ) {       \
 482         libvlc_exception_raise( p_exception, psz_error, psz_name ); \
 483         return;             \
 484     }                       \
 485     if( !p_media ) goto error;                                      \
 486                             \
 487     code;                   \
 488                             \
 489     if( vlm_Control( p_vlm, VLM_CHANGE_MEDIA, p_media ) ) {         \
 490         vlm_media_Delete( p_media );                                \
 491         goto error;         \
 492     }                       \
 493     vlm_media_Delete( p_media );                                    \
 494     return;                 \
 495   error:                    \
 496     libvlc_exception_raise( p_exception, psz_error, psz_name );\
 497   } while(0)
 498
 499 void libvlc_vlm_set_enabled( libvlc_instance_t *p_instance,
 500                              const char *psz_name, int b_enabled,
 501                              libvlc_exception_t *p_exception )
 502 {
 503 #define VLM_CHANGE_CODE { p_media->b_enabled = b_enabled; }
 504     VLM_CHANGE( "Unable to delete %s", VLM_CHANGE_CODE );
 505 #undef VLM_CHANGE_CODE
 506 }
 507
 508 void libvlc_vlm_set_loop( libvlc_instance_t *p_instance, const char *psz_name,
 509                           int b_loop, libvlc_exception_t *p_exception )
 510 {
 511 #define VLM_CHANGE_CODE { p_media->broadcast.b_loop = b_loop; }
 512     VLM_CHANGE( "Unable to change %s loop property", VLM_CHANGE_CODE );
 513 #undef VLM_CHANGE_CODE
 514 }
 515
 516 void libvlc_vlm_set_mux( libvlc_instance_t *p_instance, const char *psz_name,
 517                          const char *psz_mux, libvlc_exception_t *p_exception )
 518 {
 519 #define VLM_CHANGE_CODE { if( p_media->b_vod ) { \
 520                             free( p_media->vod.psz_mux ); \
 521                             p_media->vod.psz_mux = psz_mux \
 522                                  ? strdup( psz_mux ) : NULL; \
 523                           } }
 524     VLM_CHANGE( "Unable to change %s mux property", VLM_CHANGE_CODE );
 525 #undef VLM_CHANGE_CODE
 526 }
 527
 528 void libvlc_vlm_set_output( libvlc_instance_t *p_instance,
 529                             const char *psz_name, const char *psz_output,
 530                             libvlc_exception_t *p_exception )
 531 {
 532 #define VLM_CHANGE_CODE { free( p_media->psz_output ); \
 533                           p_media->psz_output = strdup( psz_output ); }
 534     VLM_CHANGE( "Unable to change %s output property", VLM_CHANGE_CODE );
 535 #undef VLM_CHANGE_CODE
 536 }
 537
 538 void libvlc_vlm_set_input( libvlc_instance_t *p_instance,
 539                            const char *psz_name, const char *psz_input,
 540                            libvlc_exception_t *p_exception )
 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 void libvlc_vlm_add_input( libvlc_instance_t *p_instance,
 551                            const char *psz_name, const char *psz_input,
 552                            libvlc_exception_t *p_exception )
 553 {
 554 #define VLM_CHANGE_CODE { TAB_APPEND( p_media->i_input, p_media->ppsz_input, \
 555                           strdup(psz_input) ); }
 556     VLM_CHANGE( "Unable to change %s input property", VLM_CHANGE_CODE );
 557 #undef VLM_CHANGE_CODE
 558 }
 559
 560 void libvlc_vlm_change_media( libvlc_instance_t *p_instance,
 561                               const char *psz_name, const char *psz_input,
 562                               const char *psz_output, int i_options,
 563                               const char * const *ppsz_options, int b_enabled,
 564                               int b_loop, libvlc_exception_t *p_exception )
 565 {
 566 #define VLM_CHANGE_CODE { int n;        \
 567     p_media->b_enabled = b_enabled;     \
 568     p_media->broadcast.b_loop = b_loop; \
 569     while( p_media->i_input > 0 )       \
 570         free( p_media->ppsz_input[--p_media->i_input] );    \
 571     if( psz_input )                     \
 572         TAB_APPEND( p_media->i_input, p_media->ppsz_input, strdup(psz_input) ); \
 573     free( p_media->psz_output );        \
 574     p_media->psz_output = psz_output ? strdup( psz_output ) : NULL; \
 575     while( p_media->i_option > 0 )     \
 576         free( p_media->ppsz_option[--p_media->i_option] );        \
 577     for( n = 0; n < i_options; n++ )    \
 578         TAB_APPEND( p_media->i_option, p_media->ppsz_option, \
 579                     strdup(ppsz_options[n]) );   \
 580   }
 581     VLM_CHANGE( "Unable to change %s properties", VLM_CHANGE_CODE );
 582 #undef VLM_CHANGE_CODE
 583 }
 584
 585 void libvlc_vlm_play_media( libvlc_instance_t *p_instance,
 586                             const char *psz_name,
 587                             libvlc_exception_t *p_exception )
 588 {
 589     vlm_t *p_vlm;
 590     int64_t id;
 591
 592     VLM(p_vlm);
 593
 594     if( vlm_Control( p_vlm, VLM_GET_MEDIA_ID, psz_name, &id ) ||
 595         vlm_Control( p_vlm, VLM_START_MEDIA_BROADCAST_INSTANCE, id, NULL, 0 ) )
 596     {
 597         libvlc_exception_raise( p_exception, "Unable to play %s", psz_name );
 598     }
 599 }
 600
 601 void libvlc_vlm_stop_media( libvlc_instance_t *p_instance,
 602                             const char *psz_name,
 603                             libvlc_exception_t *p_exception )
 604 {
 605     vlm_t *p_vlm;
 606     int64_t id;
 607
 608     VLM(p_vlm);
 609
 610     if( vlm_Control( p_vlm, VLM_GET_MEDIA_ID, psz_name, &id ) ||
 611         vlm_Control( p_vlm, VLM_STOP_MEDIA_INSTANCE, id, NULL ) )
 612     {
 613         libvlc_exception_raise( p_exception, "Unable to stop %s", psz_name );
 614     }
 615 }
 616
 617 void libvlc_vlm_pause_media( libvlc_instance_t *p_instance,
 618                              const char *psz_name,
 619                              libvlc_exception_t *p_exception )
 620 {
 621     vlm_t *p_vlm;
 622     int64_t id;
 623
 624     VLM(p_vlm);
 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_exception_raise( p_exception, "Unable to pause %s", psz_name );
 630     }
 631 }
 632
 633 void libvlc_vlm_seek_media( libvlc_instance_t *p_instance,
 634                             const char *psz_name, float f_percentage,
 635                             libvlc_exception_t *p_exception )
 636 {
 637     vlm_t *p_vlm;
 638     int64_t id;
 639
 640     VLM(p_vlm);
 641
 642     if( vlm_Control( p_vlm, VLM_GET_MEDIA_ID, psz_name, &id ) ||
 643         vlm_Control( p_vlm, VLM_SET_MEDIA_INSTANCE_POSITION, id, NULL,
 644                      f_percentage ) )
 645         libvlc_exception_raise( p_exception, "Unable to seek %s to %f",
 646                                 psz_name, f_percentage );
 647 }
 648
 649 float libvlc_vlm_get_media_instance_position( libvlc_instance_t *p_instance,
 650                                               const char *psz_name,
 651                                               int i_instance,
 652                                               libvlc_exception_t *p_exception )
 653 {
 654     vlm_media_instance_t *p_mi;
 655     float result = -1.;
 656
 657     p_mi = libvlc_vlm_get_media_instance( p_instance, psz_name,
 658                                           i_instance, p_exception );
 659     if( p_mi )
 660     {
 661         result = p_mi->d_position;
 662         vlm_media_instance_Delete( p_mi );
 663     }
 664     return result;
 665 }
 666
 667 int libvlc_vlm_get_media_instance_time( libvlc_instance_t *p_instance,
 668                                         const char *psz_name, int i_instance,
 669                                         libvlc_exception_t *p_exception )
 670 {
 671     vlm_media_instance_t *p_mi;
 672     int result = -1;
 673
 674     p_mi = libvlc_vlm_get_media_instance( p_instance, psz_name,
 675                                         i_instance, p_exception );
 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                                           libvlc_exception_t *p_exception )
 688 {
 689     vlm_media_instance_t *p_mi;
 690     int result = -1;
 691
 692     p_mi = libvlc_vlm_get_media_instance( p_instance, psz_name,
 693                                           i_instance, p_exception );
 694     if( p_mi )
 695     {
 696         result = p_mi->i_length;
 697         vlm_media_instance_Delete( p_mi );
 698     }
 699     return result;
 700 }
 701
 702 int libvlc_vlm_get_media_instance_rate( libvlc_instance_t *p_instance,
 703                                         const char *psz_name, int i_instance,
 704                                         libvlc_exception_t *p_exception )
 705 {
 706     vlm_media_instance_t *p_mi;
 707     int result = -1;
 708
 709     p_mi = libvlc_vlm_get_media_instance( p_instance, psz_name,
 710                                           i_instance, p_exception );
 711     if( p_mi )
 712     {
 713         result = p_mi->i_rate;
 714         vlm_media_instance_Delete( p_mi );
 715     }
 716     return result;
 717 }
 718
 719 int libvlc_vlm_get_media_instance_title( libvlc_instance_t *p_instance,
 720                                          const char *psz_name, int i_instance,
 721                                          libvlc_exception_t *p_exception )
 722 {
 723     vlm_media_instance_t *p_mi;
 724
 725     p_mi = libvlc_vlm_get_media_instance( p_instance, psz_name,
 726                                           i_instance, p_exception );
 727     if( p_mi )
 728         vlm_media_instance_Delete( p_mi );
 729     return p_mi ? 0 : -1;
 730 }
 731
 732 int libvlc_vlm_get_media_instance_chapter( libvlc_instance_t *p_instance,
 733                                            const char *psz_name,
 734                                            int i_instance,
 735                                            libvlc_exception_t *p_exception )
 736 {
 737     vlm_media_instance_t *p_mi;
 738
 739     p_mi = libvlc_vlm_get_media_instance( p_instance, psz_name,
 740                                           i_instance, p_exception );
 741     if( p_mi )
 742         vlm_media_instance_Delete( p_mi );
 743     return p_mi ? 0 : -1;
 744 }
 745
 746 int libvlc_vlm_get_media_instance_seekable( libvlc_instance_t *p_instance,
 747                                             const char *psz_name,
 748                                             int i_instance,
 749                                             libvlc_exception_t *p_exception )
 750 {
 751     vlm_media_instance_t *p_mi;
 752
 753     p_mi = libvlc_vlm_get_media_instance( p_instance, psz_name,
 754                                           i_instance, p_exception );
 755     if( p_mi )
 756         vlm_media_instance_Delete( p_mi );
 757     return p_mi ? 0 : -1;
 758 }
 759
 760 libvlc_event_manager_t * libvlc_vlm_get_event_manager( libvlc_instance_t *p_instance,
 761                                                        libvlc_exception_t *p_exception )
 762 {
 763     vlm_t *p_vlm;
 764     VLM_RET( p_vlm, NULL);
 765     return p_instance->libvlc_vlm.p_event_manager;
 766 }