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: playlist.c 14265 2006-02-12 17:31:39Z zorglub $
   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 "libvlc_internal.h"
  25 #include <vlc/libvlc.h>
  26 #include <vlc_es.h>
  27 #include <vlc_input.h>
  28
  29 #if 0
  30 static void InitVLM( libvlc_instance_t *p_instance )
  31 {
  32 #ifdef ENABLE_VLM
  33     if( p_instance->p_vlm ) return;
  34     p_instance->p_vlm = vlm_New( p_instance->p_libvlc_int );
  35 #else
  36     p_instance->p_vlm = NULL;
  37 #endif
  38 }
  39
  40 /* XXX this code has to be rewritten, disable it for now */
  41 #define vlm_MediaNew( a, b, c) (NULL)
  42 #define vlm_MediaDelete(a,b,c)
  43 #define vlm_MediaSetup(a,b,c,d) (-1)
  44 #define vlm_MediaControl(a,b,c,d,e) (-1)
  45 #define vlm_MediaSearch(a,b) (NULL)
  46
  47 #define CHECK_VLM { if( !p_instance->p_vlm ) InitVLM( p_instance ); \
  48                     if( !p_instance->p_vlm ) {\
  49                   libvlc_exception_raise( p_exception, \
  50                   "Unable to create VLM. It might be disabled." ); return; } }
  51
  52 #define GET_MEDIA { p_media = vlm_MediaSearch( p_instance->p_vlm, psz_name );\
  53                    if( !p_media ) \
  54                    { \
  55                         libvlc_exception_raise( p_exception, \
  56                                                 "Media %s does not exist", \
  57                                                 psz_name ); return; } }
  58
  59 void libvlc_vlm_add_broadcast( libvlc_instance_t *p_instance, char *psz_name,
  60                                char *psz_input, char *psz_output,
  61                                int i_options, char **ppsz_options,
  62                                int b_enabled, int b_loop,
  63                                libvlc_exception_t *p_exception )
  64 {
  65     vlm_media_t *p_media;
  66     CHECK_VLM;
  67
  68     p_media = vlm_MediaNew( p_instance->p_vlm, psz_name, BROADCAST_TYPE );
  69     if( !p_media )
  70     {
  71         libvlc_exception_raise( p_exception, "Media %s creation failed",
  72                                 psz_name );
  73         return;
  74     }
  75     libvlc_vlm_change_media( p_instance, psz_name, psz_input, psz_output,
  76                              i_options, ppsz_options, b_enabled, b_loop,
  77                              p_exception );
  78
  79 }
  80
  81 void libvlc_vlm_del_media( libvlc_instance_t *p_instance, char *psz_name,
  82                            libvlc_exception_t *p_exception )
  83 {
  84     char *psz_message;
  85     vlm_message_t *answer;
  86     CHECK_VLM;
  87 #ifdef ENABLE_VLM
  88     asprintf( &psz_message, "del %s", psz_name );
  89     vlm_ExecuteCommand( p_instance->p_vlm, psz_message, &answer );
  90     if( answer->psz_value )
  91     {
  92         libvlc_exception_raise( p_exception, "Unable to delete %s",
  93                                 psz_name );
  94     }
  95     free( psz_message);
  96 #endif
  97 }
  98
  99 void libvlc_vlm_set_enabled( libvlc_instance_t *p_instance, char *psz_name,
 100                              int b_enabled, libvlc_exception_t *p_exception )
 101 {
 102     vlm_media_t *p_media;
 103     CHECK_VLM;
 104 #ifdef ENABLE_VLM
 105     GET_MEDIA;
 106     if( b_enabled != 0 ) b_enabled = 1;
 107     p_media->b_enabled = b_enabled;
 108 #endif
 109 }
 110
 111 void libvlc_vlm_set_loop( libvlc_instance_t *p_instance, char *psz_name,
 112                           int b_loop, libvlc_exception_t *p_exception )
 113 {
 114     vlm_media_t *p_media;
 115     CHECK_VLM;
 116 #ifdef ENABLE_VLM
 117     GET_MEDIA;
 118     if( b_loop != 0 ) b_loop = 1;
 119     p_media->b_loop = b_loop;
 120 #endif
 121 }
 122
 123 void libvlc_vlm_set_output( libvlc_instance_t *p_instance, char *psz_name,
 124                             char *psz_output,  libvlc_exception_t *p_exception )
 125 {
 126     vlm_media_t *p_media;
 127     int i_ret;
 128     CHECK_VLM;
 129 #ifdef ENABLE_VLM
 130     GET_MEDIA;
 131
 132     vlc_mutex_lock( &p_instance->p_vlm->lock );
 133     i_ret = vlm_MediaSetup( p_instance->p_vlm, p_media, "output", psz_output );
 134     if( i_ret )
 135     {
 136         libvlc_exception_raise( p_exception, "Unable to set output" );
 137         vlc_mutex_unlock( &p_instance->p_vlm->lock );
 138         return;
 139     }
 140     vlc_mutex_unlock( &p_instance->p_vlm->lock );
 141 #endif
 142 }
 143
 144 void libvlc_vlm_set_input( libvlc_instance_t *p_instance, char *psz_name,
 145                            char *psz_input,  libvlc_exception_t *p_exception )
 146 {
 147     vlm_media_t *p_media;
 148     int i_ret;
 149     CHECK_VLM;
 150 #ifdef ENABLE_VLM
 151     vlc_mutex_lock( &p_instance->p_vlm->lock );
 152     GET_MEDIA;
 153
 154     i_ret = vlm_MediaSetup( p_instance->p_vlm, p_media, "inputdel", "all" );
 155     if( i_ret )
 156     {
 157         libvlc_exception_raise( p_exception, "Unable to change input" );
 158         vlc_mutex_unlock( &p_instance->p_vlm->lock );
 159         return;
 160     }
 161     i_ret = vlm_MediaSetup( p_instance->p_vlm, p_media, "input", psz_input );
 162     if( i_ret )
 163     {
 164         libvlc_exception_raise( p_exception, "Unable to change input" );
 165         vlc_mutex_unlock( &p_instance->p_vlm->lock );
 166         return;
 167     }
 168     vlc_mutex_unlock( &p_instance->p_vlm->lock );
 169 #endif
 170 }
 171
 172 void libvlc_vlm_add_input( libvlc_instance_t *p_instance, char *psz_name,
 173                            char *psz_input,  libvlc_exception_t *p_exception )
 174 {
 175     vlm_media_t *p_media;
 176     int i_ret;
 177     CHECK_VLM;
 178 #ifdef ENABLE_VLM
 179     vlc_mutex_lock( &p_instance->p_vlm->lock );
 180     GET_MEDIA;
 181
 182     i_ret = vlm_MediaSetup( p_instance->p_vlm, p_media, "input", psz_input );
 183     if( i_ret )
 184     {
 185         libvlc_exception_raise( p_exception, "Unable to change input" );
 186         vlc_mutex_unlock( &p_instance->p_vlm->lock );
 187         return;
 188     }
 189
 190     vlc_mutex_unlock( &p_instance->p_vlm->lock );
 191 #endif
 192 }
 193
 194
 195 void libvlc_vlm_change_media( libvlc_instance_t *p_instance, char *psz_name,
 196                               char *psz_input, char *psz_output, int i_options,
 197                               char **ppsz_options, int b_enabled, int b_loop,
 198                               libvlc_exception_t *p_exception )
 199 {
 200     vlm_media_t *p_media;
 201     int i_ret;
 202     CHECK_VLM;
 203 #ifdef ENABLE_VLM
 204     vlc_mutex_lock( &p_instance->p_vlm->lock );
 205     GET_MEDIA;
 206     if( b_enabled != 0 ) b_enabled = 1;
 207     if( b_loop != 0 ) b_loop = 1;
 208
 209     i_ret = vlm_MediaSetup( p_instance->p_vlm, p_media, "output", psz_output );
 210     if( i_ret )
 211     {
 212         libvlc_exception_raise( p_exception, "Unable to set output" );
 213         vlc_mutex_unlock( &p_instance->p_vlm->lock );
 214         return;
 215     }
 216     p_media->b_enabled = b_enabled;
 217     p_media->b_loop = b_loop;
 218
 219     i_ret = vlm_MediaSetup( p_instance->p_vlm, p_media, "output", psz_output );
 220     if( i_ret )
 221     {
 222         libvlc_exception_raise( p_exception, "Unable to set output" );
 223         vlc_mutex_unlock( &p_instance->p_vlm->lock );
 224         return;
 225     }
 226     i_ret = vlm_MediaSetup( p_instance->p_vlm, p_media, "inputdel", "all" );
 227     if( i_ret )
 228     {
 229         libvlc_exception_raise( p_exception, "Unable to change input" );
 230         vlc_mutex_unlock( &p_instance->p_vlm->lock );
 231         return;
 232     }
 233     i_ret = vlm_MediaSetup( p_instance->p_vlm, p_media, "input", psz_input );
 234     if( i_ret )
 235     {
 236         libvlc_exception_raise( p_exception, "Unable to change input" );
 237         vlc_mutex_unlock( &p_instance->p_vlm->lock );
 238         return;
 239     }
 240
 241     vlc_mutex_unlock( &p_instance->p_vlm->lock );
 242 #endif
 243 }
 244
 245 void libvlc_vlm_play_media( libvlc_instance_t *p_instance, char *psz_name,
 246                             libvlc_exception_t *p_exception )
 247
 248 {
 249     char *psz_message;
 250     vlm_message_t *answer;
 251     CHECK_VLM;
 252 #ifdef ENABLE_VLM
 253     asprintf( &psz_message, "control %s play", psz_name );
 254     vlm_ExecuteCommand( p_instance->p_vlm, psz_message, &answer );
 255     if( answer->psz_value )
 256     {
 257         libvlc_exception_raise( p_exception, "Unable to play %s",
 258                                 psz_name );
 259     }
 260     free( psz_message);
 261 #endif
 262 }
 263
 264 void libvlc_vlm_stop_media( libvlc_instance_t *p_instance, char *psz_name,
 265                             libvlc_exception_t *p_exception )
 266
 267 {
 268     char *psz_message;
 269     vlm_message_t *answer;
 270     CHECK_VLM;
 271 #ifdef ENABLE_VLM
 272     asprintf( &psz_message, "control %s stop", psz_name );
 273     vlm_ExecuteCommand( p_instance->p_vlm, psz_message, &answer );
 274     if( answer->psz_value )
 275     {
 276         libvlc_exception_raise( p_exception, "Unable to stop %s",
 277                                 psz_name );
 278     }
 279     free( psz_message);
 280 #endif
 281 }
 282
 283 void libvlc_vlm_pause_media( libvlc_instance_t *p_instance, char *psz_name,
 284                             libvlc_exception_t *p_exception )
 285
 286 {
 287     char *psz_message;
 288     vlm_message_t *answer;
 289     CHECK_VLM;
 290 #ifdef ENABLE_VLM
 291     asprintf( &psz_message, "control %s pause", psz_name );
 292     vlm_ExecuteCommand( p_instance->p_vlm, psz_message, &answer );
 293     if( answer->psz_value )
 294     {
 295         libvlc_exception_raise( p_exception, "Unable to pause %s",
 296                                 psz_name );
 297     }
 298     free( psz_message );
 299 #endif
 300 }
 301
 302 void libvlc_vlm_seek_media( libvlc_instance_t *p_instance, char *psz_name,
 303                             float f_percentage, libvlc_exception_t *p_exception )
 304
 305 {
 306     char *psz_message;
 307     vlm_message_t *answer;
 308     CHECK_VLM;
 309 #ifdef ENABLE_VLM
 310     asprintf( &psz_message, "control %s seek %f", psz_name, f_percentage );
 311     vlm_ExecuteCommand( p_instance->p_vlm, psz_message, &answer );
 312     if( answer->psz_value )
 313     {
 314         libvlc_exception_raise( p_exception, "Unable to seek %s to %f",
 315                                 psz_name, f_percentage );
 316     }
 317     free( psz_message );
 318 #endif
 319 }
 320
 321 #ifdef ENABLE_VLM && 0
 322 #define LIBVLC_VLM_GET_MEDIA_ATTRIBUTE( attr, returnType, getType, default)\
 323 returnType libvlc_vlm_get_media_## attr( libvlc_instance_t *p_instance, \
 324                         char *psz_name, int i_instance, \
 325                         libvlc_exception_t *p_exception ) \
 326 { \
 327     vlm_media_instance_t *p_media_instance; \
 328     CHECK_VLM; \
 329     vlm_media_t *p_media; \
 330     p_media = vlm_MediaSearch( p_instance->p_vlm, psz_name ); \
 331     if ( p_media == NULL ) \
 332     { \
 333         libvlc_exception_raise( p_exception, "Unable to find media %s", \
 334                                 psz_name); \
 335     } \
 336     else \
 337     { \
 338         if ( i_instance < p_media->i_instance ) \
 339         { \
 340             p_media_instance = p_media->instance[ i_instance ]; \
 341             return var_Get ## getType( p_media_instance->p_input, #attr );\
 342         } \
 343         else \
 344         { \
 345             libvlc_exception_raise( p_exception, "Media index %i out of range",\
 346                                     i_instance); \
 347         } \
 348     } \
 349     return default; \
 350 }
 351 #else
 352 #define LIBVLC_VLM_GET_MEDIA_ATTRIBUTE( attr, returnType, getType, default)\
 353 returnType libvlc_vlm_get_media_## attr( libvlc_instance_t *p_instance, \
 354                         char *psz_name, int i_instance, libvlc_exception_t *p_exception ) \
 355 { \
 356     char *psz_message; \
 357     vlm_message_t *answer; \
 358     CHECK_VLM; \
 359     return default; \
 360 }
 361 #endif
 362
 363 LIBVLC_VLM_GET_MEDIA_ATTRIBUTE( position, float, Float, -1);
 364 LIBVLC_VLM_GET_MEDIA_ATTRIBUTE( time, int, Integer, -1);
 365 LIBVLC_VLM_GET_MEDIA_ATTRIBUTE( length, int, Integer, -1);
 366 LIBVLC_VLM_GET_MEDIA_ATTRIBUTE( rate, int, Integer, -1);
 367 LIBVLC_VLM_GET_MEDIA_ATTRIBUTE( title, int, Integer, 0);
 368 LIBVLC_VLM_GET_MEDIA_ATTRIBUTE( chapter, int, Integer, 0);
 369 LIBVLC_VLM_GET_MEDIA_ATTRIBUTE( seekable, int, Bool, 0);
 370
 371 #undef LIBVLC_VLM_GET_MEDIA_ATTRIBUTE
 372
 373 /* local function to be used in libvlc_vlm_show_media only */
 374 static char* recurse_answer( char* psz_prefix, vlm_message_t *p_answer ) {
 375     char* psz_childprefix;
 376     char* psz_response="";
 377     char* response_tmp;
 378     int i;
 379     vlm_message_t *aw_child, **paw_child;
 380
 381     asprintf( &psz_childprefix, "%s%s.", psz_prefix, p_answer->psz_name );
 382
 383     if ( p_answer->i_child )
 384     {
 385         paw_child = p_answer->child;
 386         aw_child = *( paw_child );
 387         for( i = 0; i < p_answer->i_child; i++ )
 388         {
 389             asprintf( &response_tmp, "%s%s%s:%s\n",
 390                       psz_response, psz_prefix, aw_child->psz_name,
 391                       aw_child->psz_value );
 392             free( psz_response );
 393             psz_response = response_tmp;
 394             if ( aw_child->i_child )
 395             {
 396                 asprintf(&response_tmp, "%s%s", psz_response,
 397                          recurse_answer(psz_childprefix, aw_child));
 398                 free( psz_response );
 399                 psz_response = response_tmp;
 400             }
 401             paw_child++;
 402             aw_child = *( paw_child );
 403         }
 404     }
 405     free( psz_childprefix );
 406     return psz_response;
 407 }
 408
 409 char* libvlc_vlm_show_media( libvlc_instance_t *p_instance, char *psz_name,
 410                              libvlc_exception_t *p_exception )
 411 {
 412     char *psz_message;
 413     vlm_message_t *answer;
 414     char *psz_response;
 415
 416     CHECK_VLM;
 417 #ifdef ENABLE_VLM
 418     asprintf( &psz_message, "show %s", psz_name );
 419     asprintf( &psz_response, "", psz_name );
 420     vlm_ExecuteCommand( p_instance->p_vlm, psz_message, &answer );
 421     if( answer->psz_value )
 422     {
 423         libvlc_exception_raise( p_exception, "Unable to call show %s: %s",
 424                                 psz_name, answer->psz_value );
 425     }
 426     else
 427     {
 428         if ( answer->child )
 429         {
 430             psz_response = recurse_answer( "", answer );
 431         }
 432     }
 433     free( psz_message );
 434     return(psz_response );
 435 #endif
 436     return NULL;
 437 }
 438 #else
 439 void libvlc_vlm_add_broadcast( libvlc_instance_t *p_instance, char *psz_name,
 440                                char *psz_input, char *psz_output,
 441                                int i_options, char **ppsz_options,
 442                                int b_enabled, int b_loop,
 443                                libvlc_exception_t *p_exception )
 444 {
 445     libvlc_exception_raise( p_exception, "Media %s creation failed", psz_name );
 446 }
 447
 448 void libvlc_vlm_del_media( libvlc_instance_t *p_instance, char *psz_name,
 449                            libvlc_exception_t *p_exception )
 450 {
 451     libvlc_exception_raise( p_exception, "Unable to delete %s", psz_name );
 452 }
 453
 454 void libvlc_vlm_set_enabled( libvlc_instance_t *p_instance, char *psz_name,
 455                              int b_enabled, libvlc_exception_t *p_exception )
 456 {
 457     libvlc_exception_raise( p_exception, "Unable to enable %s", psz_name );
 458 }
 459
 460 void libvlc_vlm_set_loop( libvlc_instance_t *p_instance, char *psz_name,
 461                           int b_loop, libvlc_exception_t *p_exception )
 462 {
 463     libvlc_exception_raise( p_exception, "Unable change %s loop property", psz_name );
 464 }
 465
 466 void libvlc_vlm_set_output( libvlc_instance_t *p_instance, char *psz_name,
 467                             char *psz_output,  libvlc_exception_t *p_exception )
 468 {
 469     libvlc_exception_raise( p_exception, "Unable change %s output property", psz_name );
 470 }
 471
 472 void libvlc_vlm_set_input( libvlc_instance_t *p_instance, char *psz_name,
 473                            char *psz_input,  libvlc_exception_t *p_exception )
 474 {
 475     libvlc_exception_raise( p_exception, "Unable change %s input property", psz_name );
 476 }
 477
 478 void libvlc_vlm_add_input( libvlc_instance_t *p_instance, char *psz_name,
 479                            char *psz_input,  libvlc_exception_t *p_exception )
 480 {
 481     libvlc_exception_raise( p_exception, "Unable change %s input property", psz_name );
 482 }
 483
 484
 485 void libvlc_vlm_change_media( libvlc_instance_t *p_instance, char *psz_name,
 486                               char *psz_input, char *psz_output, int i_options,
 487                               char **ppsz_options, int b_enabled, int b_loop,
 488                               libvlc_exception_t *p_exception )
 489 {
 490     libvlc_exception_raise( p_exception, "Unable change %s properties", psz_name );
 491 }
 492
 493 void libvlc_vlm_play_media( libvlc_instance_t *p_instance, char *psz_name,
 494                             libvlc_exception_t *p_exception )
 495
 496 {
 497     libvlc_exception_raise( p_exception, "Unable to play %s", psz_name );
 498 }
 499
 500 void libvlc_vlm_stop_media( libvlc_instance_t *p_instance, char *psz_name,
 501                             libvlc_exception_t *p_exception )
 502
 503 {
 504     libvlc_exception_raise( p_exception, "Unable to stop %s", psz_name );
 505 }
 506
 507 void libvlc_vlm_pause_media( libvlc_instance_t *p_instance, char *psz_name,
 508                             libvlc_exception_t *p_exception )
 509
 510 {
 511     libvlc_exception_raise( p_exception, "Unable to pause %s", psz_name );
 512 }
 513
 514 void libvlc_vlm_seek_media( libvlc_instance_t *p_instance, char *psz_name,
 515                             float f_percentage, libvlc_exception_t *p_exception )
 516
 517 {
 518     libvlc_exception_raise( p_exception, "Unable to seek %s to %f", psz_name, f_percentage );
 519 }
 520
 521 #define LIBVLC_VLM_GET_MEDIA_ATTRIBUTE( attr, returnType, getType, ret)\
 522 returnType libvlc_vlm_get_media_## attr( libvlc_instance_t *p_instance, \
 523                         char *psz_name, int i_instance, libvlc_exception_t *p_exception ) \
 524 { \
 525     libvlc_exception_raise( p_exception, "Unable to get %s "#attr "attribute" ); \
 526     return ret; \
 527 }
 528
 529 LIBVLC_VLM_GET_MEDIA_ATTRIBUTE( position, float, Float, -1);
 530 LIBVLC_VLM_GET_MEDIA_ATTRIBUTE( time, int, Integer, -1);
 531 LIBVLC_VLM_GET_MEDIA_ATTRIBUTE( length, int, Integer, -1);
 532 LIBVLC_VLM_GET_MEDIA_ATTRIBUTE( rate, int, Integer, -1);
 533 LIBVLC_VLM_GET_MEDIA_ATTRIBUTE( title, int, Integer, 0);
 534 LIBVLC_VLM_GET_MEDIA_ATTRIBUTE( chapter, int, Integer, 0);
 535 LIBVLC_VLM_GET_MEDIA_ATTRIBUTE( seekable, int, Bool, 0);
 536
 537 #undef LIBVLC_VLM_GET_MEDIA_ATTRIBUTE
 538
 539 char* libvlc_vlm_show_media( libvlc_instance_t *p_instance, char *psz_name,
 540                              libvlc_exception_t *p_exception )
 541 {
 542     libvlc_exception_raise( p_exception, "Unable to call show %s", psz_name );
 543     return NULL;
 544 }
 545 #endif