1 /*****************************************************************************
2 * libvlc.h: libvlc external API
3 *****************************************************************************
4 * Copyright (C) 1998-2005 the VideoLAN team
7 * Authors: Clément Stenac <zorglub@videolan.org>
8 * Jean-Paul Saman <jpsaman@videolan.org>
9 * Pierre d'Herbemont <pdherbemont@videolan.org>
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.
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.
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 *****************************************************************************/
28 * This file defines libvlc external API
32 * \defgroup libvlc libvlc
33 * This is libvlc, the base library of the VLC program.
39 #define VLC_LIBVLC_H 1
41 #if defined (WIN32) && defined (DLL_EXPORT)
42 # define VLC_PUBLIC_API __declspec(dllexport)
44 # define VLC_PUBLIC_API
48 /* Avoid unuseful warnings from libvlc with our deprecated APIs */
49 # define VLC_DEPRECATED_API VLC_PUBLIC_API
50 #elif defined(__GNUC__) && \
51 (__GNUC__ > 3 || __GNUC__ == 3 && __GNUC_MINOR__ > 0)
52 # define VLC_DEPRECATED_API VLC_PUBLIC_API __attribute__((deprecated))
54 # define VLC_DEPRECATED_API VLC_PUBLIC_API
61 /*****************************************************************************
63 *****************************************************************************/
64 /** \defgroup libvlc_exception libvlc_exception
65 * \ingroup libvlc_core
66 * LibVLC Exceptions handling
71 * Initialize an exception structure. This can be called several times to
72 * reuse an exception structure.
74 * \param p_exception the exception to initialize
76 VLC_PUBLIC_API void libvlc_exception_init( libvlc_exception_t *p_exception );
79 * Has an exception been raised?
81 * \param p_exception the exception to query
82 * \return 0 if the exception was raised, 1 otherwise
85 libvlc_exception_raised( const libvlc_exception_t *p_exception );
88 * Raise an exception using a user-provided message.
90 * \param p_exception the exception to raise
91 * \param psz_format the exception message format string
92 * \param ... the format string arguments
95 libvlc_exception_raise( libvlc_exception_t *p_exception,
96 const char *psz_format, ... );
99 * Clear an exception object so it can be reused.
100 * The exception object must have be initialized.
102 * \param p_exception the exception to clear
104 VLC_PUBLIC_API void libvlc_exception_clear( libvlc_exception_t * );
107 * Get an exception's message.
109 * \param p_exception the exception to query
110 * \return the exception message or NULL if not applicable (exception not
111 * raised, for example)
113 VLC_PUBLIC_API const char *
114 libvlc_exception_get_message( const libvlc_exception_t *p_exception );
118 /*****************************************************************************
120 *****************************************************************************/
122 /** \defgroup libvlc_core libvlc_core
129 * Create and initialize a libvlc instance.
131 * \param argc the number of arguments
132 * \param argv command-line-type arguments. argv[0] must be the path of the
134 * \param p_e an initialized exception pointer
135 * \return the libvlc instance
137 VLC_PUBLIC_API libvlc_instance_t *
138 libvlc_new( int , const char *const *, libvlc_exception_t *);
141 * Return a libvlc instance identifier for legacy APIs. Use of this
142 * function is discouraged, you should convert your program to use the
145 * \param p_instance the instance
146 * \return the instance identifier
148 VLC_PUBLIC_API int libvlc_get_vlc_id( libvlc_instance_t *p_instance );
151 * Decrement the reference count of a libvlc instance, and destroy it
152 * if it reaches zero.
154 * \param p_instance the instance to destroy
156 VLC_PUBLIC_API void libvlc_release( libvlc_instance_t * );
159 * Increments the reference count of a libvlc instance.
160 * The initial reference count is 1 after libvlc_new() returns.
162 * \param p_instance the instance to reference
164 VLC_PUBLIC_API void libvlc_retain( libvlc_instance_t * );
167 * Try to start a user interface for the libvlc instance, and wait until the
170 * \param p_instance the instance
171 * \param name interface name, or NULL for default
172 * \param p_exception an initialized exception pointer
175 void libvlc_add_intf( libvlc_instance_t *p_instance, const char *name,
176 libvlc_exception_t *p_exception );
179 * Waits until an interface causes the instance to exit.
180 * You should start at least one interface first, using libvlc_add_intf().
182 * \param p_instance the instance
185 void libvlc_wait( libvlc_instance_t *p_instance );
188 * Retrieve libvlc version.
190 * Example: "0.9.0-git Grishenko"
192 * \return a string containing the libvlc version
194 VLC_PUBLIC_API const char * libvlc_get_version(void);
197 * Retrieve libvlc compiler version.
199 * Example: "gcc version 4.2.3 (Ubuntu 4.2.3-2ubuntu6)"
201 * \return a string containing the libvlc compiler version
203 VLC_PUBLIC_API const char * libvlc_get_compiler(void);
206 * Retrieve libvlc changeset.
208 * Example: "aa9bce0bc4"
210 * \return a string containing the libvlc changeset
212 VLC_PUBLIC_API const char * libvlc_get_changeset(void);
217 * Return the libvlc internal object, the main object that all other depend on.
218 * Any of of this function should be considered an ugly hack and avoided at all
219 * cost. E.g. you need to expose some functionality that is not provided by the
220 * libvlc API directly with libvlccore.
221 * Remember to release the object with vlc_object_release( obj* )
223 * \param p_instance the libvlc instance
225 VLC_PUBLIC_API struct vlc_object_t *libvlc_get_vlc_instance(libvlc_instance_t *);
229 /*****************************************************************************
231 *****************************************************************************/
232 /** \defgroup libvlc_media libvlc_media
239 * Create a media with the given MRL.
241 * \param p_instance the instance
242 * \param psz_mrl the MRL to read
243 * \param p_e an initialized exception pointer
244 * \return the newly created media
246 VLC_PUBLIC_API libvlc_media_t * libvlc_media_new(
247 libvlc_instance_t *p_instance,
248 const char * psz_mrl,
249 libvlc_exception_t *p_e );
252 * Create a media as an empty node with the passed name.
254 * \param p_instance the instance
255 * \param psz_name the name of the node
256 * \param p_e an initialized exception pointer
257 * \return the new empty media
259 VLC_PUBLIC_API libvlc_media_t * libvlc_media_new_as_node(
260 libvlc_instance_t *p_instance,
261 const char * psz_name,
262 libvlc_exception_t *p_e );
265 * Add an option to the media.
267 * This option will be used to determine how the media_player will
268 * read the media. This allows to use VLC's advanced
269 * reading/streaming options on a per-media basis.
271 * The options are detailed in vlc --long-help, for instance "--sout-all"
273 * \param p_instance the instance
274 * \param ppsz_options the options (as a string)
275 * \param p_e an initialized exception pointer
277 VLC_PUBLIC_API void libvlc_media_add_option(
278 libvlc_media_t * p_md,
279 const char * ppsz_options,
280 libvlc_exception_t * p_e );
282 * Add an option to the media from an untrusted source.
284 * This option will be used to determine how the media_player will
285 * read the media. This allows to use VLC's advanced
286 * reading/streaming options on a per-media basis.
288 * The options are detailed in vlc --long-help, for instance "--sout-all"
290 * \param p_instance the instance
291 * \param ppsz_options the options (as a string)
292 * \param p_e an initialized exception pointer
294 VLC_PUBLIC_API void libvlc_media_add_option_untrusted(
295 libvlc_media_t * p_md,
296 const char * ppsz_options,
297 libvlc_exception_t * p_e );
301 * Retain a reference to a media descriptor object (libvlc_media_t). Use
302 * libvlc_media_release() to decrement the reference count of a
303 * media descriptor object.
305 * \param p_meta_desc a media descriptor object.
307 VLC_PUBLIC_API void libvlc_media_retain(
308 libvlc_media_t *p_meta_desc );
311 * Decrement the reference count of a media descriptor object. If the
312 * reference count is 0, then libvlc_media_release() will release the
313 * media descriptor object. It will send out an libvlc_MediaFreed event
314 * to all listeners. If the media descriptor object has been released it
315 * should not be used again.
317 * \param p_meta_desc a media descriptor object.
319 VLC_PUBLIC_API void libvlc_media_release(
320 libvlc_media_t *p_meta_desc );
324 * Get the media resource locator (mrl) from a media descriptor object
326 * \param p_md a media descriptor object
327 * \param p_e an initialized exception object
328 * \return string with mrl of media descriptor object
330 VLC_PUBLIC_API char * libvlc_media_get_mrl( libvlc_media_t * p_md,
331 libvlc_exception_t * p_e );
334 * Duplicate a media descriptor object.
336 * \param p_meta_desc a media descriptor object.
338 VLC_PUBLIC_API libvlc_media_t * libvlc_media_duplicate( libvlc_media_t * );
341 * Read the meta of the media.
343 * \param p_meta_desc the media to read
344 * \param e_meta_desc the meta to read
345 * \param p_e an initialized exception pointer
346 * \return the media's meta
348 VLC_PUBLIC_API char * libvlc_media_get_meta(
349 libvlc_media_t *p_meta_desc,
350 libvlc_meta_t e_meta,
351 libvlc_exception_t *p_e );
353 * Get current state of media descriptor object. Possible media states
354 * are defined in libvlc_structures.c ( libvlc_NothingSpecial=0,
355 * libvlc_Opening, libvlc_Buffering, libvlc_Playing, libvlc_Paused,
356 * libvlc_Stopped, libvlc_Ended,
359 * @see libvlc_state_t
360 * \param p_meta_desc a media descriptor object
361 * \param p_e an initialized exception object
362 * \return state of media descriptor object
364 VLC_PUBLIC_API libvlc_state_t libvlc_media_get_state(
365 libvlc_media_t *p_meta_desc,
366 libvlc_exception_t *p_e );
369 * Get subitems of media descriptor object. This will increment
370 * the reference count of supplied media descriptor object. Use
371 * libvlc_media_list_release() to decrement the reference counting.
373 * \param p_md media descriptor object
374 * \param p_e initalized exception object
375 * \return list of media descriptor subitems or NULL
377 VLC_PUBLIC_API libvlc_media_list_t *
378 libvlc_media_subitems( libvlc_media_t *p_md,
379 libvlc_exception_t *p_e );
381 * Get event manager from media descriptor object.
382 * NOTE: this function doesn't increment reference counting.
384 * \param p_md a media descriptor object
385 * \param p_e an initialized exception object
386 * \return event manager object
388 VLC_PUBLIC_API libvlc_event_manager_t *
389 libvlc_media_event_manager( libvlc_media_t * p_md,
390 libvlc_exception_t * p_e );
393 * Get duration of media descriptor object item.
395 * \param p_md media descriptor object
396 * \param p_e an initialized exception object
397 * \return duration of media item
399 VLC_PUBLIC_API libvlc_time_t
400 libvlc_media_get_duration( libvlc_media_t * p_md,
401 libvlc_exception_t * p_e );
404 * Get preparsed status for media descriptor object.
406 * \param p_md media descriptor object
407 * \param p_e an initialized exception object
408 * \return true if media object has been preparsed otherwise it returns false
411 libvlc_media_is_preparsed( libvlc_media_t * p_md,
412 libvlc_exception_t * p_e );
415 * Sets media descriptor's user_data. user_data is specialized data
416 * accessed by the host application, VLC.framework uses it as a pointer to
417 * an native object that references a libvlc_media_t pointer
419 * \param p_md media descriptor object
420 * \param p_new_user_data pointer to user data
421 * \param p_e an initialized exception object
424 libvlc_media_set_user_data( libvlc_media_t * p_md,
425 void * p_new_user_data,
426 libvlc_exception_t * p_e);
429 * Get media descriptor's user_data. user_data is specialized data
430 * accessed by the host application, VLC.framework uses it as a pointer to
431 * an native object that references a libvlc_media_t pointer
433 * \param p_md media descriptor object
434 * \param p_e an initialized exception object
436 VLC_PUBLIC_API void *
437 libvlc_media_get_user_data( libvlc_media_t * p_md,
438 libvlc_exception_t * p_e);
442 /*****************************************************************************
444 *****************************************************************************/
445 /** \defgroup libvlc_media_player libvlc_media_player
447 * LibVLC Media Player, object that let you play a media
448 * in a custom drawable
453 * Create an empty Media Player object
455 * \param p_libvlc_instance the libvlc instance in which the Media Player
457 * \param p_e an initialized exception pointer
459 VLC_PUBLIC_API libvlc_media_player_t * libvlc_media_player_new( libvlc_instance_t *, libvlc_exception_t * );
462 * Create a Media Player object from a Media
464 * \param p_md the media. Afterwards the p_md can be safely
466 * \param p_e an initialized exception pointer
468 VLC_PUBLIC_API libvlc_media_player_t * libvlc_media_player_new_from_media( libvlc_media_t *, libvlc_exception_t * );
471 * Release a media_player after use
472 * Decrement the reference count of a media player object. If the
473 * reference count is 0, then libvlc_media_player_release() will
474 * release the media player object. If the media player object
475 * has been released, then it should not be used again.
477 * \param p_mi the Media Player to free
479 VLC_PUBLIC_API void libvlc_media_player_release( libvlc_media_player_t * );
482 * Retain a reference to a media player object. Use
483 * libvlc_media_player_release() to decrement reference count.
485 * \param p_mi media player object
487 VLC_PUBLIC_API void libvlc_media_player_retain( libvlc_media_player_t * );
490 * Set the media that will be used by the media_player. If any,
491 * previous md will be released.
493 * \param p_mi the Media Player
494 * \param p_md the Media. Afterwards the p_md can be safely
496 * \param p_e an initialized exception pointer
498 VLC_PUBLIC_API void libvlc_media_player_set_media( libvlc_media_player_t *, libvlc_media_t *, libvlc_exception_t * );
501 * Get the media used by the media_player.
503 * \param p_mi the Media Player
504 * \param p_e an initialized exception pointer
505 * \return the media associated with p_mi, or NULL if no
506 * media is associated
508 VLC_PUBLIC_API libvlc_media_t * libvlc_media_player_get_media( libvlc_media_player_t *, libvlc_exception_t * );
511 * Get the Event Manager from which the media player send event.
513 * \param p_mi the Media Player
514 * \param p_e an initialized exception pointer
515 * \return the event manager associated with p_mi
517 VLC_PUBLIC_API libvlc_event_manager_t * libvlc_media_player_event_manager ( libvlc_media_player_t *, libvlc_exception_t * );
522 * \param p_mi the Media Player
523 * \param p_e an initialized exception pointer
524 * \return 1 if the media player is playing, 0 otherwise
526 VLC_PUBLIC_API int libvlc_media_player_is_playing ( libvlc_media_player_t *, libvlc_exception_t * );
531 * \param p_mi the Media Player
532 * \param p_e an initialized exception pointer
534 VLC_PUBLIC_API void libvlc_media_player_play ( libvlc_media_player_t *, libvlc_exception_t * );
539 * \param p_mi the Media Player
540 * \param p_e an initialized exception pointer
542 VLC_PUBLIC_API void libvlc_media_player_pause ( libvlc_media_player_t *, libvlc_exception_t * );
547 * \param p_mi the Media Player
548 * \param p_e an initialized exception pointer
550 VLC_PUBLIC_API void libvlc_media_player_stop ( libvlc_media_player_t *, libvlc_exception_t * );
553 * Set an X Window System drawable where the media player should render its
554 * video output. If LibVLC was built without X11 output support, then this has
557 * The specified identifier must correspond to an existing Input/Output class
558 * X11 window. Pixmaps are <b>not</b> supported. The caller shall ensure that
559 * the X11 server is the same as the one the VLC instance has been configured
561 * If XVideo is <b>not</b> used, it is assumed that the drawable has the
562 * following properties in common with the default X11 screen: depth, scan line
563 * pad, black pixel. This is a bug.
565 * \param p_mi the Media Player
566 * \param drawable the ID of the X window
567 * \param p_e an initialized exception pointer
569 VLC_PUBLIC_API void libvlc_media_player_set_xwindow ( libvlc_media_player_t *p_mi, uint32_t drawable, libvlc_exception_t *p_e );
572 * Set a Win32/Win64 API window handle (HWND) where the media player should
573 * render its video output. If LibVLC was built without Win32/Win64 API output
574 * support, then this has no effects.
576 * \param p_mi the Media Player
577 * \param drawable windows handle of the drawable
578 * \param p_e an initialized exception pointer
580 VLC_PUBLIC_API void libvlc_media_player_set_hwnd ( libvlc_media_player_t *p_mi, void *drawable, libvlc_exception_t *p_e );
582 /** \bug This might go away ... to be replaced by a broader system */
585 * Get the current movie length (in ms).
587 * \param p_mi the Media Player
588 * \param p_e an initialized exception pointer
589 * \return the movie length (in ms).
591 VLC_PUBLIC_API libvlc_time_t libvlc_media_player_get_length( libvlc_media_player_t *, libvlc_exception_t *);
594 * Get the current movie time (in ms).
596 * \param p_mi the Media Player
597 * \param p_e an initialized exception pointer
598 * \return the movie time (in ms).
600 VLC_PUBLIC_API libvlc_time_t libvlc_media_player_get_time( libvlc_media_player_t *, libvlc_exception_t *);
603 * Set the movie time (in ms).
605 * \param p_mi the Media Player
606 * \param the movie time (in ms).
607 * \param p_e an initialized exception pointer
609 VLC_PUBLIC_API void libvlc_media_player_set_time( libvlc_media_player_t *, libvlc_time_t, libvlc_exception_t *);
612 * Get movie position.
614 * \param p_mi the Media Player
615 * \param p_e an initialized exception pointer
616 * \return movie position
618 VLC_PUBLIC_API float libvlc_media_player_get_position( libvlc_media_player_t *, libvlc_exception_t *);
621 * Set movie position.
623 * \param p_mi the Media Player
624 * \param p_e an initialized exception pointer
625 * \return movie position
627 VLC_PUBLIC_API void libvlc_media_player_set_position( libvlc_media_player_t *, float, libvlc_exception_t *);
632 * \param p_mi the Media Player
633 * \param i_chapter chapter number to play
634 * \param p_e an initialized exception pointer
636 VLC_PUBLIC_API void libvlc_media_player_set_chapter( libvlc_media_player_t *, int, libvlc_exception_t *);
641 * \param p_mi the Media Player
642 * \param p_e an initialized exception pointer
643 * \return chapter number currently playing
645 VLC_PUBLIC_API int libvlc_media_player_get_chapter( libvlc_media_player_t *, libvlc_exception_t * );
648 * Get movie chapter count
650 * \param p_mi the Media Player
651 * \param p_e an initialized exception pointer
652 * \return number of chapters in movie
654 VLC_PUBLIC_API int libvlc_media_player_get_chapter_count( libvlc_media_player_t *, libvlc_exception_t *);
655 VLC_PUBLIC_API int libvlc_media_player_will_play ( libvlc_media_player_t *, libvlc_exception_t *);
658 * Get title chapter count
660 * \param p_mi the Media Player
661 * \param i_title title
662 * \param p_e an initialized exception pointer
663 * \return number of chapters in title
665 VLC_PUBLIC_API int libvlc_media_player_get_chapter_count_for_title(
666 libvlc_media_player_t *, int, libvlc_exception_t *);
671 * \param p_mi the Media Player
672 * \param i_title title number to play
673 * \param p_e an initialized exception pointer
675 VLC_PUBLIC_API void libvlc_media_player_set_title( libvlc_media_player_t *, int, libvlc_exception_t *);
680 * \param p_mi the Media Player
681 * \param p_e an initialized exception pointer
682 * \return title number currently playing
684 VLC_PUBLIC_API int libvlc_media_player_get_title( libvlc_media_player_t *, libvlc_exception_t *);
687 * Get movie title count
689 * \param p_mi the Media Player
690 * \param p_e an initialized exception pointer
691 * \return title number count
693 VLC_PUBLIC_API int libvlc_media_player_get_title_count( libvlc_media_player_t *, libvlc_exception_t *);
696 * Set previous chapter
698 * \param p_mi the Media Player
699 * \param p_e an initialized exception pointer
701 VLC_PUBLIC_API void libvlc_media_player_previous_chapter( libvlc_media_player_t *, libvlc_exception_t *);
706 * \param p_mi the Media Player
707 * \param p_e an initialized exception pointer
709 VLC_PUBLIC_API void libvlc_media_player_next_chapter( libvlc_media_player_t *, libvlc_exception_t *);
712 * Get movie play rate
714 * \param p_mi the Media Player
715 * \param p_e an initialized exception pointer
716 * \return movie play rate
718 VLC_PUBLIC_API float libvlc_media_player_get_rate( libvlc_media_player_t *, libvlc_exception_t *);
721 * Set movie play rate
723 * \param p_mi the Media Player
724 * \param movie play rate to set
725 * \param p_e an initialized exception pointer
727 VLC_PUBLIC_API void libvlc_media_player_set_rate( libvlc_media_player_t *, float, libvlc_exception_t *);
730 * Get current movie state
732 * \param p_mi the Media Player
733 * \param p_e an initialized exception pointer
734 * \return current movie state as libvlc_state_t
736 VLC_PUBLIC_API libvlc_state_t libvlc_media_player_get_state( libvlc_media_player_t *, libvlc_exception_t *);
741 * \param p_mi the Media Player
742 * \param p_e an initialized exception pointer
743 * \return frames per second (fps) for this playing movie
745 VLC_PUBLIC_API float libvlc_media_player_get_fps( libvlc_media_player_t *, libvlc_exception_t *);
750 * Does this media player have a video output?
752 * \param p_md the media player
753 * \param p_e an initialized exception pointer
755 VLC_PUBLIC_API int libvlc_media_player_has_vout( libvlc_media_player_t *, libvlc_exception_t *);
758 * Is this media player seekable?
760 * \param p_input the input
761 * \param p_e an initialized exception pointer
763 VLC_PUBLIC_API int libvlc_media_player_is_seekable( libvlc_media_player_t *p_mi, libvlc_exception_t *p_e );
766 * Can this media player be paused?
768 * \param p_input the input
769 * \param p_e an initialized exception pointer
771 VLC_PUBLIC_API int libvlc_media_player_can_pause( libvlc_media_player_t *p_mi, libvlc_exception_t *p_e );
774 * Release (free) libvlc_track_description_t
776 * \param p_track_description the structure to release
778 VLC_PUBLIC_API void libvlc_track_description_release( libvlc_track_description_t *p_track_description );
780 /** \defgroup libvlc_video libvlc_video
781 * \ingroup libvlc_media_player
782 * LibVLC Video handling
787 * Toggle fullscreen status on video output.
789 * \param p_mediaplayer the media player
790 * \param p_e an initialized exception pointer
792 VLC_PUBLIC_API void libvlc_toggle_fullscreen( libvlc_media_player_t *, libvlc_exception_t * );
795 * Enable or disable fullscreen on a video output.
797 * \param p_mediaplayer the media player
798 * \param b_fullscreen boolean for fullscreen status
799 * \param p_e an initialized exception pointer
801 VLC_PUBLIC_API void libvlc_set_fullscreen( libvlc_media_player_t *, int, libvlc_exception_t * );
804 * Get current fullscreen status.
806 * \param p_mediaplayer the media player
807 * \param p_e an initialized exception pointer
808 * \return the fullscreen status (boolean)
810 VLC_PUBLIC_API int libvlc_get_fullscreen( libvlc_media_player_t *, libvlc_exception_t * );
813 * Get current video height.
815 * \param p_mediaplayer the media player
816 * \param p_e an initialized exception pointer
817 * \return the video height
819 VLC_PUBLIC_API int libvlc_video_get_height( libvlc_media_player_t *, libvlc_exception_t * );
822 * Get current video width.
824 * \param p_mediaplayer the media player
825 * \param p_e an initialized exception pointer
826 * \return the video width
828 VLC_PUBLIC_API int libvlc_video_get_width( libvlc_media_player_t *, libvlc_exception_t * );
831 * Get current video aspect ratio.
833 * \param p_mediaplayer the media player
834 * \param p_e an initialized exception pointer
835 * \return the video aspect ratio
837 VLC_PUBLIC_API char *libvlc_video_get_aspect_ratio( libvlc_media_player_t *, libvlc_exception_t * );
840 * Set new video aspect ratio.
842 * \param p_mediaplayer the media player
843 * \param psz_aspect new video aspect-ratio
844 * \param p_e an initialized exception pointer
846 VLC_PUBLIC_API void libvlc_video_set_aspect_ratio( libvlc_media_player_t *, char *, libvlc_exception_t * );
849 * Get current video subtitle.
851 * \param p_mediaplayer the media player
852 * \param p_e an initialized exception pointer
853 * \return the video subtitle selected
855 VLC_PUBLIC_API int libvlc_video_get_spu( libvlc_media_player_t *, libvlc_exception_t * );
858 * Get the number of available video subtitles.
860 * \param p_mediaplayer the media player
861 * \param p_e an initialized exception pointer
862 * \return the number of available video subtitles
864 VLC_PUBLIC_API int libvlc_video_get_spu_count( libvlc_media_player_t *, libvlc_exception_t * );
867 * Get the description of available video subtitles.
869 * \param p_mediaplayer the media player
870 * \param p_e an initialized exception pointer
871 * \return list containing description of available video subtitles
873 VLC_PUBLIC_API libvlc_track_description_t *
874 libvlc_video_get_spu_description( libvlc_media_player_t *, libvlc_exception_t * );
877 * Set new video subtitle.
879 * \param p_mediaplayer the media player
880 * \param i_spu new video subtitle to select
881 * \param p_e an initialized exception pointer
883 VLC_PUBLIC_API void libvlc_video_set_spu( libvlc_media_player_t *, int , libvlc_exception_t * );
886 * Set new video subtitle file.
888 * \param p_mediaplayer the media player
889 * \param psz_subtitle new video subtitle file
890 * \param p_e an initialized exception pointer
891 * \return the success status (boolean)
893 VLC_PUBLIC_API int libvlc_video_set_subtitle_file( libvlc_media_player_t *, char *, libvlc_exception_t * );
896 * Get the description of available titles.
898 * \param p_mediaplayer the media player
899 * \param p_e an initialized exception pointer
900 * \return list containing description of available titles
902 VLC_PUBLIC_API libvlc_track_description_t *
903 libvlc_video_get_title_description( libvlc_media_player_t *, libvlc_exception_t * );
906 * Get the description of available chapters for specific title.
908 * \param p_mediaplayer the media player
909 * \param i_title selected title
910 * \param p_e an initialized exception pointer
911 * \return list containing description of available chapter for title i_title
913 VLC_PUBLIC_API libvlc_track_description_t *
914 libvlc_video_get_chapter_description( libvlc_media_player_t *, int, libvlc_exception_t * );
917 * Get current crop filter geometry.
919 * \param p_mediaplayer the media player
920 * \param p_e an initialized exception pointer
921 * \return the crop filter geometry
923 VLC_PUBLIC_API char *libvlc_video_get_crop_geometry( libvlc_media_player_t *, libvlc_exception_t * );
926 * Set new crop filter geometry.
928 * \param p_mediaplayer the media player
929 * \param psz_geometry new crop filter geometry
930 * \param p_e an initialized exception pointer
932 VLC_PUBLIC_API void libvlc_video_set_crop_geometry( libvlc_media_player_t *, char *, libvlc_exception_t * );
935 * Toggle teletext transparent status on video output.
937 * \param p_mediaplayer the media player
938 * \param p_e an initialized exception pointer
940 VLC_PUBLIC_API void libvlc_toggle_teletext( libvlc_media_player_t *, libvlc_exception_t * );
943 * Get current teletext page requested.
945 * \param p_mediaplayer the media player
946 * \param p_e an initialized exception pointer
947 * \return the current teletext page requested.
949 VLC_PUBLIC_API int libvlc_video_get_teletext( libvlc_media_player_t *, libvlc_exception_t * );
952 * Set new teletext page to retrieve.
954 * \param p_mediaplayer the media player
955 * \param i_page teletex page number requested
956 * \param p_e an initialized exception pointer
958 VLC_PUBLIC_API void libvlc_video_set_teletext( libvlc_media_player_t *, int, libvlc_exception_t * );
961 * Get number of available video tracks.
963 * \param p_mi media player
964 * \param p_e an initialized exception
965 * \return the number of available video tracks (int)
967 VLC_PUBLIC_API int libvlc_video_get_track_count( libvlc_media_player_t *, libvlc_exception_t * );
970 * Get the description of available video tracks.
972 * \param p_mi media player
973 * \param p_e an initialized exception
974 * \return list with description of available video tracks
976 VLC_PUBLIC_API libvlc_track_description_t *
977 libvlc_video_get_track_description( libvlc_media_player_t *, libvlc_exception_t * );
980 * Get current video track.
982 * \param p_mi media player
983 * \param p_e an initialized exception pointer
984 * \return the video track (int)
986 VLC_PUBLIC_API int libvlc_video_get_track( libvlc_media_player_t *, libvlc_exception_t * );
991 * \param p_mi media player
992 * \param i_track the track (int)
993 * \param p_e an initialized exception pointer
995 VLC_PUBLIC_API void libvlc_video_set_track( libvlc_media_player_t *, int, libvlc_exception_t * );
998 * Take a snapshot of the current video window.
1000 * If i_width AND i_height is 0, original size is used.
1001 * If i_width XOR i_height is 0, original aspect-ratio is preserved.
1003 * \param p_mediaplayer the media player
1004 * \param psz_filepath the path where to save the screenshot to
1005 * \param i_width the snapshot's width
1006 * \param i_height the snapshot's height
1007 * \param p_e an initialized exception pointer
1009 VLC_PUBLIC_API void libvlc_video_take_snapshot( libvlc_media_player_t *, char *,unsigned int, unsigned int, libvlc_exception_t * );
1012 * Resize the current video output window.
1014 * \param p_instance libvlc instance
1015 * \param width new width for video output window
1016 * \param height new height for video output window
1017 * \param p_e an initialized exception pointer
1018 * \return the success status (boolean)
1020 VLC_PUBLIC_API void libvlc_video_resize( libvlc_media_player_t *, int, int, libvlc_exception_t *);
1023 * Tell windowless video output to redraw rectangular area (MacOS X only).
1025 * \param p_instance libvlc instance
1026 * \param area coordinates within video drawable
1027 * \param p_e an initialized exception pointer
1029 VLC_PUBLIC_API void libvlc_video_redraw_rectangle( libvlc_media_player_t *, const libvlc_rectangle_t *, libvlc_exception_t * );
1032 * Set the default video output size.
1034 * This setting will be used as default for all video outputs.
1036 * \param p_instance libvlc instance
1037 * \param width new width for video drawable
1038 * \param height new height for video drawable
1039 * \param p_e an initialized exception pointer
1041 VLC_PUBLIC_API void libvlc_video_set_size( libvlc_instance_t *, int, int, libvlc_exception_t * );
1044 * Set the default video output viewport for a windowless video output
1047 * This setting will be used as default for all video outputs.
1049 * \param p_instance libvlc instance
1050 * \param view coordinates within video drawable
1051 * \param clip coordinates within video drawable
1052 * \param p_e an initialized exception pointer
1054 VLC_PUBLIC_API void libvlc_video_set_viewport( libvlc_instance_t *, const libvlc_rectangle_t *, const libvlc_rectangle_t *, libvlc_exception_t * );
1058 /** \defgroup libvlc_audio libvlc_audio
1059 * \ingroup libvlc_media_player
1060 * LibVLC Audio handling
1065 * Audio device types
1067 typedef enum libvlc_audio_output_device_types_t {
1068 libvlc_AudioOutputDevice_Error = -1,
1069 libvlc_AudioOutputDevice_Mono = 1,
1070 libvlc_AudioOutputDevice_Stereo = 2,
1071 libvlc_AudioOutputDevice_2F2R = 4,
1072 libvlc_AudioOutputDevice_3F2R = 5,
1073 libvlc_AudioOutputDevice_5_1 = 6,
1074 libvlc_AudioOutputDevice_6_1 = 7,
1075 libvlc_AudioOutputDevice_7_1 = 8,
1076 libvlc_AudioOutputDevice_SPDIF = 10
1077 } libvlc_audio_output_device_types_t;
1082 typedef enum libvlc_audio_output_channel_t {
1083 libvlc_AudioChannel_Error = -1,
1084 libvlc_AudioChannel_Stereo = 1,
1085 libvlc_AudioChannel_RStereo = 2,
1086 libvlc_AudioChannel_Left = 3,
1087 libvlc_AudioChannel_Right = 4,
1088 libvlc_AudioChannel_Dolbys = 5
1089 } libvlc_audio_output_channel_t;
1093 * Get the list of available audio outputs
1095 * \param p_instance libvlc instance
1096 * \param p_e an initialized exception pointer
1097 * \return list of available audio outputs, at the end free it with
1098 * \see libvlc_audio_output_list_release \see libvlc_audio_output_t
1100 VLC_PUBLIC_API libvlc_audio_output_t *
1101 libvlc_audio_output_list_get( libvlc_instance_t *,
1102 libvlc_exception_t * );
1105 * Free the list of available audio outputs
1107 * \param p_list list with audio outputs for release
1109 VLC_PUBLIC_API void libvlc_audio_output_list_release( libvlc_audio_output_t * );
1112 * Set the audio output.
1113 * Change will be applied after stop and play.
1115 * \param p_instance libvlc instance
1116 * \param psz_name name of audio output,
1117 * use psz_name of \see libvlc_audio_output_t
1118 * \return true if function succeded
1120 VLC_PUBLIC_API int libvlc_audio_output_set( libvlc_instance_t *,
1124 * Get count of devices for audio output, these devices are hardware oriented
1125 * like analor or digital output of sound card
1127 * \param p_instance libvlc instance
1128 * \param psz_audio_output - name of audio output, \see libvlc_audio_output_t
1129 * \return number of devices
1131 VLC_PUBLIC_API int libvlc_audio_output_device_count( libvlc_instance_t *,
1135 * Get long name of device, if not available short name given
1137 * \param p_instance libvlc instance
1138 * \param psz_audio_output - name of audio output, \see libvlc_audio_output_t
1139 * \param i_device device index
1140 * \return long name of device
1142 VLC_PUBLIC_API char * libvlc_audio_output_device_longname( libvlc_instance_t *,
1147 * Get id name of device
1149 * \param p_instance libvlc instance
1150 * \param psz_audio_output - name of audio output, \see libvlc_audio_output_t
1151 * \param i_device device index
1152 * \return id name of device, use for setting device, need to be free after use
1154 VLC_PUBLIC_API char * libvlc_audio_output_device_id( libvlc_instance_t *,
1159 * Set device for using
1161 * \param p_instance libvlc instance
1162 * \param psz_audio_output - name of audio output, \see libvlc_audio_output_t
1163 * \param psz_device_id device
1165 VLC_PUBLIC_API void libvlc_audio_output_device_set( libvlc_instance_t *,
1170 * Get current audio device type. Device type describes something like
1171 * character of output sound - stereo sound, 2.1, 5.1 etc
1173 * \param p_instance vlc instance
1174 * \param p_e an initialized exception pointer
1175 * \return the audio devices type \see libvlc_audio_output_device_types_t
1177 VLC_PUBLIC_API int libvlc_audio_output_get_device_type(
1178 libvlc_instance_t *, libvlc_exception_t * );
1181 * Set current audio device type.
1183 * \param p_instance vlc instance
1184 * \param device_type the audio device type,
1185 according to \see libvlc_audio_output_device_types_t
1186 * \param p_e an initialized exception pointer
1188 VLC_PUBLIC_API void libvlc_audio_output_set_device_type( libvlc_instance_t *,
1190 libvlc_exception_t * );
1194 * Toggle mute status.
1196 * \param p_instance libvlc instance
1197 * \param p_e an initialized exception pointer
1199 VLC_PUBLIC_API void libvlc_audio_toggle_mute( libvlc_instance_t *, libvlc_exception_t * );
1202 * Get current mute status.
1204 * \param p_instance libvlc instance
1205 * \param p_e an initialized exception pointer
1206 * \return the mute status (boolean)
1208 VLC_PUBLIC_API int libvlc_audio_get_mute( libvlc_instance_t *, libvlc_exception_t * );
1213 * \param p_instance libvlc instance
1214 * \param status If status is true then mute, otherwise unmute
1215 * \param p_e an initialized exception pointer
1217 VLC_PUBLIC_API void libvlc_audio_set_mute( libvlc_instance_t *, int , libvlc_exception_t * );
1220 * Get current audio level.
1222 * \param p_instance libvlc instance
1223 * \param p_e an initialized exception pointer
1224 * \return the audio level (int)
1226 VLC_PUBLIC_API int libvlc_audio_get_volume( libvlc_instance_t *, libvlc_exception_t * );
1229 * Set current audio level.
1231 * \param p_instance libvlc instance
1232 * \param i_volume the volume (int)
1233 * \param p_e an initialized exception pointer
1235 VLC_PUBLIC_API void libvlc_audio_set_volume( libvlc_instance_t *, int, libvlc_exception_t *);
1238 * Get number of available audio tracks.
1240 * \param p_mi media player
1241 * \param p_e an initialized exception
1242 * \return the number of available audio tracks (int)
1244 VLC_PUBLIC_API int libvlc_audio_get_track_count( libvlc_media_player_t *, libvlc_exception_t * );
1247 * Get the description of available audio tracks.
1249 * \param p_mi media player
1250 * \param p_e an initialized exception
1251 * \return list with description of available audio tracks
1253 VLC_PUBLIC_API libvlc_track_description_t *
1254 libvlc_audio_get_track_description( libvlc_media_player_t *, libvlc_exception_t * );
1257 * Get current audio track.
1259 * \param p_mi media player
1260 * \param p_e an initialized exception pointer
1261 * \return the audio track (int)
1263 VLC_PUBLIC_API int libvlc_audio_get_track( libvlc_media_player_t *, libvlc_exception_t * );
1266 * Set current audio track.
1268 * \param p_mi media player
1269 * \param i_track the track (int)
1270 * \param p_e an initialized exception pointer
1272 VLC_PUBLIC_API void libvlc_audio_set_track( libvlc_media_player_t *, int, libvlc_exception_t * );
1275 * Get current audio channel.
1277 * \param p_instance vlc instance
1278 * \param p_e an initialized exception pointer
1279 * \return the audio channel \see libvlc_audio_output_channel_t
1282 libvlc_audio_get_channel( libvlc_instance_t *, libvlc_exception_t * );
1285 * Set current audio channel.
1287 * \param p_instance vlc instance
1288 * \param channel the audio channel, \see libvlc_audio_output_channel_t
1289 * \param p_e an initialized exception pointer
1291 VLC_PUBLIC_API void libvlc_audio_set_channel( libvlc_instance_t *,
1293 libvlc_exception_t * );
1297 /** @} media_player */
1299 /*****************************************************************************
1301 *****************************************************************************/
1303 /** \defgroup libvlc_event libvlc_event
1304 * \ingroup libvlc_core
1310 * Register for an event notification.
1312 * \param p_event_manager the event manager to which you want to attach to.
1313 * Generally it is obtained by vlc_my_object_event_manager() where
1314 * my_object is the object you want to listen to.
1315 * \param i_event_type the desired event to which we want to listen
1316 * \param f_callback the function to call when i_event_type occurs
1317 * \param user_data user provided data to carry with the event
1318 * \param p_e an initialized exception pointer
1320 VLC_PUBLIC_API void libvlc_event_attach( libvlc_event_manager_t *p_event_manager,
1321 libvlc_event_type_t i_event_type,
1322 libvlc_callback_t f_callback,
1324 libvlc_exception_t *p_e );
1327 * Unregister an event notification.
1329 * \param p_event_manager the event manager
1330 * \param i_event_type the desired event to which we want to unregister
1331 * \param f_callback the function to call when i_event_type occurs
1332 * \param p_user_data user provided data to carry with the event
1333 * \param p_e an initialized exception pointer
1335 VLC_PUBLIC_API void libvlc_event_detach( libvlc_event_manager_t *p_event_manager,
1336 libvlc_event_type_t i_event_type,
1337 libvlc_callback_t f_callback,
1339 libvlc_exception_t *p_e );
1342 * Get an event's type name.
1344 * \param i_event_type the desired event
1346 VLC_PUBLIC_API const char * libvlc_event_type_name( libvlc_event_type_t event_type );
1350 /*****************************************************************************
1352 *****************************************************************************/
1353 /** \defgroup libvlc_media_library libvlc_media_library
1355 * LibVLC Media Library
1358 VLC_PUBLIC_API libvlc_media_library_t *
1359 libvlc_media_library_new( libvlc_instance_t * p_inst,
1360 libvlc_exception_t * p_e );
1363 * Release media library object. This functions decrements the
1364 * reference count of the media library object. If it reaches 0,
1365 * then the object will be released.
1367 * \param p_mlib media library object
1370 libvlc_media_library_release( libvlc_media_library_t * p_mlib );
1373 * Retain a reference to a media library object. This function will
1374 * increment the reference counting for this object. Use
1375 * libvlc_media_library_release() to decrement the reference count.
1377 * \param p_mlib media library object
1380 libvlc_media_library_retain( libvlc_media_library_t * p_mlib );
1383 * Load media library.
1385 * \param p_mlib media library object
1386 * \param p_e an initialized exception object.
1389 libvlc_media_library_load( libvlc_media_library_t * p_mlib,
1390 libvlc_exception_t * p_e );
1393 * Save media library.
1395 * \param p_mlib media library object
1396 * \param p_e an initialized exception object.
1399 libvlc_media_library_save( libvlc_media_library_t * p_mlib,
1400 libvlc_exception_t * p_e );
1403 * Get media library subitems.
1405 * \param p_mlib media library object
1406 * \param p_e an initialized exception object.
1407 * \return media list subitems
1409 VLC_PUBLIC_API libvlc_media_list_t *
1410 libvlc_media_library_media_list( libvlc_media_library_t * p_mlib,
1411 libvlc_exception_t * p_e );
1417 /*****************************************************************************
1418 * Services/Media Discovery
1419 *****************************************************************************/
1420 /** \defgroup libvlc_media_discoverer libvlc_media_discoverer
1422 * LibVLC Media Discoverer
1427 * Discover media service by name.
1429 * \param p_inst libvlc instance
1430 * \param psz_name service name
1431 * \param p_e an initialized exception object
1432 * \return media discover object
1434 VLC_PUBLIC_API libvlc_media_discoverer_t *
1435 libvlc_media_discoverer_new_from_name( libvlc_instance_t * p_inst,
1436 const char * psz_name,
1437 libvlc_exception_t * p_e );
1440 * Release media discover object. If the reference count reaches 0, then
1441 * the object will be released.
1443 * \param p_mdis media service discover object
1445 VLC_PUBLIC_API void libvlc_media_discoverer_release( libvlc_media_discoverer_t * p_mdis );
1448 * Get media service discover object its localized name.
1450 * \param media discover object
1451 * \return localized name
1453 VLC_PUBLIC_API char * libvlc_media_discoverer_localized_name( libvlc_media_discoverer_t * p_mdis );
1456 * Get media service discover media list.
1458 * \param p_mdis media service discover object
1459 * \return list of media items
1461 VLC_PUBLIC_API libvlc_media_list_t * libvlc_media_discoverer_media_list( libvlc_media_discoverer_t * p_mdis );
1464 * Get event manager from media service discover object.
1466 * \param p_mdis media service discover object
1467 * \return event manager object.
1469 VLC_PUBLIC_API libvlc_event_manager_t *
1470 libvlc_media_discoverer_event_manager( libvlc_media_discoverer_t * p_mdis );
1473 * Query if media service discover object is running.
1475 * \param p_mdis media service discover object
1476 * \return true if running, false if not
1479 libvlc_media_discoverer_is_running( libvlc_media_discoverer_t * p_mdis );
1484 /*****************************************************************************
1485 * Message log handling
1486 *****************************************************************************/
1488 /** \defgroup libvlc_log libvlc_log
1489 * \ingroup libvlc_core
1490 * LibVLC Message Logging
1495 * Return the VLC messaging verbosity level.
1497 * \param p_instance libvlc instance
1498 * \param p_e an initialized exception pointer
1499 * \return verbosity level for messages
1501 VLC_PUBLIC_API unsigned libvlc_get_log_verbosity( const libvlc_instance_t *p_instance,
1502 libvlc_exception_t *p_e );
1505 * Set the VLC messaging verbosity level.
1507 * \param p_instance libvlc log instance
1508 * \param level log level
1509 * \param p_e an initialized exception pointer
1511 VLC_PUBLIC_API void libvlc_set_log_verbosity( libvlc_instance_t *p_instance, unsigned level,
1512 libvlc_exception_t *p_e );
1515 * Open a VLC message log instance.
1517 * \param p_instance libvlc instance
1518 * \param p_e an initialized exception pointer
1519 * \return log message instance
1521 VLC_PUBLIC_API libvlc_log_t *libvlc_log_open( libvlc_instance_t *, libvlc_exception_t *);
1524 * Close a VLC message log instance.
1526 * \param p_log libvlc log instance
1527 * \param p_e an initialized exception pointer
1529 VLC_PUBLIC_API void libvlc_log_close( libvlc_log_t *, libvlc_exception_t *);
1532 * Returns the number of messages in a log instance.
1534 * \param p_log libvlc log instance
1535 * \param p_e an initialized exception pointer
1536 * \return number of log messages
1538 VLC_PUBLIC_API unsigned libvlc_log_count( const libvlc_log_t *, libvlc_exception_t *);
1541 * Clear a log instance.
1543 * All messages in the log are removed. The log should be cleared on a
1544 * regular basis to avoid clogging.
1546 * \param p_log libvlc log instance
1547 * \param p_e an initialized exception pointer
1549 VLC_PUBLIC_API void libvlc_log_clear( libvlc_log_t *, libvlc_exception_t *);
1552 * Allocate and returns a new iterator to messages in log.
1554 * \param p_log libvlc log instance
1555 * \param p_e an initialized exception pointer
1556 * \return log iterator object
1558 VLC_PUBLIC_API libvlc_log_iterator_t *libvlc_log_get_iterator( const libvlc_log_t *, libvlc_exception_t *);
1561 * Release a previoulsy allocated iterator.
1563 * \param p_iter libvlc log iterator
1564 * \param p_e an initialized exception pointer
1566 VLC_PUBLIC_API void libvlc_log_iterator_free( libvlc_log_iterator_t *p_iter, libvlc_exception_t *p_e );
1569 * Return whether log iterator has more messages.
1571 * \param p_iter libvlc log iterator
1572 * \param p_e an initialized exception pointer
1573 * \return true if iterator has more message objects, else false
1575 VLC_PUBLIC_API int libvlc_log_iterator_has_next( const libvlc_log_iterator_t *p_iter, libvlc_exception_t *p_e );
1578 * Return the next log message.
1580 * The message contents must not be freed
1582 * \param p_iter libvlc log iterator
1583 * \param p_buffer log buffer
1584 * \param p_e an initialized exception pointer
1585 * \return log message object
1587 VLC_PUBLIC_API libvlc_log_message_t *libvlc_log_iterator_next( libvlc_log_iterator_t *p_iter,
1588 libvlc_log_message_t *p_buffer,
1589 libvlc_exception_t *p_e );
1597 #endif /* <vlc/libvlc.h> */