1 /*****************************************************************************
2 * libvlc.h: libvlc_* new external API
3 *****************************************************************************
4 * Copyright (C) 1998-2005 the VideoLAN team
5 * $Id: vlc.h 13701 2005-12-12 17:58:56Z zorglub $
7 * Authors: Clément Stenac <zorglub@videolan.org>
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.
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.
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 *****************************************************************************/
25 * \defgroup libvlc Libvlc
26 * This is libvlc, the base library of the VLC program.
41 /*****************************************************************************
43 *****************************************************************************/
44 /** defgroup libvlc_exception Exceptions
46 * LibVLC Exceptions handling
50 struct libvlc_exception_t
55 typedef struct libvlc_exception_t libvlc_exception_t;
58 * Initialize an exception structure. This can be called several times to reuse
59 * an exception structure.
60 * \param p_exception the exception to initialize
62 void libvlc_exception_init( libvlc_exception_t *p_exception );
65 * Has an exception been raised ?
66 * \param p_exception the exception to query
67 * \return 0 if no exception raised, 1 else
69 int libvlc_exception_raised( libvlc_exception_t *p_exception );
73 * \param p_exception the exception to raise
74 * \param psz_message the exception message
76 void libvlc_exception_raise( libvlc_exception_t *p_exception, const char *psz_format, ... );
79 * Clear an exception object so it can be reused.
80 * The exception object must be initialized
81 * \param p_exception the exception to clear
83 void libvlc_exception_clear( libvlc_exception_t * );
86 * Get exception message
87 * \param p_exception the exception to query
88 * \return the exception message or NULL if not applicable (exception not raised
91 char* libvlc_exception_get_message( libvlc_exception_t *p_exception );
95 /*****************************************************************************
97 *****************************************************************************/
99 /** defgroup libvlc_core Core
105 /** This structure is opaque. It represents a libvlc instance */
106 typedef struct libvlc_instance_t libvlc_instance_t;
109 * Create an initialized libvlc instance
110 * \param argc the number of arguments
111 * \param argv command-line-type arguments
112 * \param exception an initialized exception pointer
114 libvlc_instance_t * libvlc_new( int , char **, libvlc_exception_t *);
117 * Returns a libvlc instance identifier for legacy APIs. Use of this
118 * function is discouraged, you should convert your program to use the
120 * \param p_instance the instance
122 int libvlc_get_vlc_id( libvlc_instance_t *p_instance );
125 * Destroy a libvlc instance.
126 * \param p_instance the instance to destroy
128 void libvlc_destroy( libvlc_instance_t *, libvlc_exception_t * );
132 /*****************************************************************************
134 *****************************************************************************/
135 /** defgroup libvlc_playlist Playlist
137 * LibVLC Playlist handling
144 void libvlc_playlist_loop( libvlc_instance_t* , vlc_bool_t, libvlc_exception_t * );
147 * Start playing. You can give some additionnal playlist item options
148 * that will be added to the item before playing it.
149 * \param p_instance the instance
150 * \param i_id the item to play. If this is a negative number, the next
151 * item will be selected. Else, the item with the given ID will be played
152 * \param i_options the number of options to add to the item
153 * \param ppsz_options the options to add to the item
154 * \param p_exception an initialized exception
156 void libvlc_playlist_play( libvlc_instance_t*, int, int, char **,
157 libvlc_exception_t * );
160 * Pause a running playlist, resume if it was stopped
161 * \param p_instance the instance to pause
162 * \param p_exception an initialized exception
164 void libvlc_playlist_pause( libvlc_instance_t *, libvlc_exception_t * );
167 * Checks if the playlist is running
168 * \param p_instance the instance
169 * \param p_exception an initialized exception
170 * \return 0 if the playlist is stopped or paused, 1 if it is running
172 int libvlc_playlist_isplaying( libvlc_instance_t *, libvlc_exception_t * );
175 * Get the number of items in the playlist
176 * \param p_instance the instance
177 * \param p_exception an initialized exception
178 * \return the number of items
180 int libvlc_playlist_items_count( libvlc_instance_t *, libvlc_exception_t * );
184 * \param p_instance the instance to stop
185 * \param p_exception an initialized exception
187 void libvlc_playlist_stop( libvlc_instance_t *, libvlc_exception_t * );
190 * Go to next playlist item (starts playback if it was stopped)
191 * \param p_instance the instance to use
192 * \param p_exception an initialized exception
194 void libvlc_playlist_next( libvlc_instance_t *, libvlc_exception_t * );
197 * Go to previous playlist item (starts playback if it was stopped)
198 * \param p_instance the instance to use
199 * \param p_exception an initialized exception
201 void libvlc_playlist_prev( libvlc_instance_t *, libvlc_exception_t * );
204 * Remove all playlist items
205 * \param p_instance the instance
206 * \param p_exception an initialized exception
208 void libvlc_playlist_clear( libvlc_instance_t *, libvlc_exception_t * );
211 * Add an item at the end of the playlist
212 * If you need more advanced options, \see libvlc_playlist_add_extended
213 * \param p_instance the instance
214 * \param psz_uri the URI to open, using VLC format
215 * \param psz_name a name that you might want to give or NULL
216 * \return the identifier of the new item
218 int libvlc_playlist_add( libvlc_instance_t *, const char *, const char *,
219 libvlc_exception_t * );
222 * Add an item at the end of the playlist, with additional input options
223 * \param p_instance the instance
224 * \param psz_uri the URI to open, using VLC format
225 * \param psz_name a name that you might want to give or NULL
226 * \param i_options the number of options to add
227 * \param ppsz_options strings representing the options to add
228 * \param p_exception an initialized exception
229 * \return the identifier of the new item
231 int libvlc_playlist_add_extended( libvlc_instance_t *, const char *,
232 const char *, int, const char **,
233 libvlc_exception_t * );
236 * Delete the playlist item with the given ID.
237 * \param p_instance the instance
238 * \param i_id the id to remove
239 * \param p_exception an initialized exception
242 int libvlc_playlist_delete_item( libvlc_instance_t *, int,
243 libvlc_exception_t * );
245 typedef struct libvlc_input_t libvlc_input_t;
247 /* Get the input that is currently being played by the playlist
248 * \param p_instance the instance to use
249 * \param p_exception an initialized excecption
250 * \return an input object
252 libvlc_input_t *libvlc_playlist_get_input( libvlc_instance_t *,
253 libvlc_exception_t * );
257 /*****************************************************************************
259 *****************************************************************************/
260 /** defgroup libvlc_input Input
262 * LibVLC Input handling
266 /** Free an input object
267 * \param p_input the input to free
269 void libvlc_input_free( libvlc_input_t * );
271 /// \bug This might go away ... to be replaced by a broader system
272 vlc_int64_t libvlc_input_get_length ( libvlc_input_t *, libvlc_exception_t *);
273 vlc_int64_t libvlc_input_get_time ( libvlc_input_t *, libvlc_exception_t *);
274 void libvlc_input_set_time ( libvlc_input_t *, vlc_int64_t, libvlc_exception_t *);
275 float libvlc_input_get_position ( libvlc_input_t *, libvlc_exception_t *);
276 void libvlc_input_set_position ( libvlc_input_t *, float, libvlc_exception_t *);
277 vlc_bool_t libvlc_input_will_play ( libvlc_input_t *, libvlc_exception_t *);
278 float libvlc_input_get_rate ( libvlc_input_t *, libvlc_exception_t *);
279 void libvlc_input_set_rate ( libvlc_input_t *, float, libvlc_exception_t *);
280 int libvlc_input_get_state ( libvlc_input_t *, libvlc_exception_t *);
284 /** defgroup libvlc_video Video
286 * LibVLC Video handling
290 typedef int libvlc_drawable_t;
293 * Does this input have a video output ?
294 * \param p_input the input
295 * \param p_exception an initialized exception
297 vlc_bool_t libvlc_input_has_vout ( libvlc_input_t *, libvlc_exception_t *);
298 float libvlc_input_get_fps ( libvlc_input_t *, libvlc_exception_t *);
301 * Toggle fullscreen status on video output
302 * \param p_input the input
303 * \param drawable the drawable where the video output thread will display the video
304 * \param p_exception an initialized exception
306 void libvlc_set_video_drawable( libvlc_instance_t *, libvlc_drawable_t, libvlc_exception_t *);
309 * Toggle fullscreen status on video output
310 * \param p_input the input
311 * \param p_exception an initialized exception
313 void libvlc_toggle_fullscreen( libvlc_input_t *, libvlc_exception_t * );
316 * Enable or disable fullscreen on a video output
317 * \param p_input the input
318 * \param b_fullscreen boolean for fullscreen status
319 * \param p_exception an initialized exception
321 void libvlc_set_fullscreen( libvlc_input_t *, int, libvlc_exception_t * );
324 * Get current fullscreen status
325 * \param p_input the input
326 * \param p_exception an initialized exception
327 * \return the fullscreen status (boolean)
329 int libvlc_get_fullscreen( libvlc_input_t *, libvlc_exception_t * );
332 * Get current video height
333 * \param p_input the input
334 * \param p_exception an initialized exception
335 * \return the video height
337 int libvlc_video_get_height( libvlc_input_t *, libvlc_exception_t * );
340 * Get current video width
341 * \param p_input the input
342 * \param p_exception an initialized exception
343 * \return the video width
345 int libvlc_video_get_width( libvlc_input_t *, libvlc_exception_t * );
348 * Get current video aspect ratio
349 * \param p_input the input
350 * \param p_exception an initialized exception
351 * \return the video aspect ratio
353 char *libvlc_video_get_aspect_ratio( libvlc_input_t *, libvlc_exception_t * );
356 * Set new video aspect ratio
357 * \param p_input the input
358 * \param psz_aspect new video aspect-ratio
359 * \param p_exception an initialized exception
361 void libvlc_video_set_aspect_ratio( libvlc_input_t *, char *, libvlc_exception_t * );
364 * Take a snapshot of the current video window
365 * \param p_input the input
366 * \param psz_filepath the path where to save the screenshot to
367 * \param p_exception an initialized exception
369 void libvlc_video_take_snapshot( libvlc_input_t *, char *, libvlc_exception_t * );
371 int libvlc_video_destroy( libvlc_input_t *, libvlc_exception_t *);
374 * Resize the current video output window
375 * \param p_instance libvlc instance
376 * \param width new width for video output window
377 * \param height new height for video output window
378 * \param p_exception an initialized exception
379 * \return the mute status (boolean)
381 void libvlc_video_resize( libvlc_input_t *, int, int, libvlc_exception_t *);
384 * Downcast to this general type as placeholder for a platform specific one, such as:
386 * CGrafPort on MacOSX,
391 * change the parent for the current the video output
392 * \param p_instance libvlc instance
393 * \param drawable the new parent window (Drawable on X11, CGrafPort on MacOSX, HWND on Win32)
394 * \param p_exception an initialized exception
395 * \return the mute status (boolean)
397 int libvlc_video_reparent( libvlc_input_t *, libvlc_drawable_t, libvlc_exception_t * );
400 * Set the default video output parent
401 * this settings will be used as default for all video outputs
402 * \param p_instance libvlc instance
403 * \param drawable the new parent window (Drawable on X11, CGrafPort on MacOSX, HWND on Win32)
404 * \param p_exception an initialized exception
406 void libvlc_video_set_parent( libvlc_instance_t *, libvlc_drawable_t, libvlc_exception_t * );
409 * Set the default video output size
410 * this settings will be used as default for all video outputs
411 * \param p_instance libvlc instance
412 * \param width new width for video drawable
413 * \param height new height for video drawable
414 * \param p_exception an initialized exception
416 void libvlc_video_set_size( libvlc_instance_t *, int, int, libvlc_exception_t * );
419 * Downcast to this general type as placeholder for a platform specific one, such as:
421 * CGrafPort on MacOSX,
432 * Set the default video output viewport for a windowless video output (MacOS X only)
433 * this settings will be used as default for all video outputs
434 * \param p_instance libvlc instance
435 * \param view coordinates within video drawable
436 * \param clip coordinates within video drawable
437 * \param p_exception an initialized exception
439 void libvlc_video_set_viewport( libvlc_instance_t *, const libvlc_rectangle_t *, const libvlc_rectangle_t *, libvlc_exception_t * );
445 * defgroup libvlc_vlm VLM
447 * LibVLC VLM handling
451 /** defgroup libvlc_audio Audio
453 * LibVLC Audio handling
459 * \param p_instance libvlc instance
460 * \param p_exception an initialized exception
463 void libvlc_audio_toggle_mute( libvlc_instance_t *, libvlc_exception_t * );
466 * Get current mute status
467 * \param p_instance libvlc instance
468 * \param p_exception an initialized exception
469 * \return the mute status (boolean)
471 vlc_bool_t libvlc_audio_get_mute( libvlc_instance_t *, libvlc_exception_t * );
475 * \param p_instance libvlc instance
476 * \param status If status is VLC_TRUE then mute, otherwise unmute
477 * \param p_exception an initialized exception
480 void libvlc_audio_set_mute( libvlc_instance_t *, vlc_bool_t , libvlc_exception_t * );
483 * Get current audio level
484 * \param p_instance libvlc instance
485 * \param p_exception an initialized exception
486 * \return the audio level (int)
488 int libvlc_audio_get_volume( libvlc_instance_t *, libvlc_exception_t * );
491 * Set current audio level
492 * \param p_instance libvlc instance
493 * \param i_volume the volume (int)
494 * \param p_exception an initialized exception
497 void libvlc_audio_set_volume( libvlc_instance_t *, int , libvlc_exception_t *);
503 * Add a broadcast, with one input
504 * \param p_instance the instance
505 * \param psz_name the name of the new broadcast
506 * \param psz_input the input MRL
507 * \param psz_output the output MRL (the parameter to the "sout" variable)
508 * \param i_options number of additional options
509 * \param ppsz_options additional options
510 * \param b_enabled boolean for enabling the new broadcast
511 * \param b_loop Should this broadcast be played in loop ?
512 * \param p_exception an initialized exception
514 void libvlc_vlm_add_broadcast( libvlc_instance_t *, char *, char *, char* ,
515 int, char **, int, int, libvlc_exception_t * );
518 * Delete a media (vod or broadcast)
519 * \param p_instance the instance
520 * \param psz_name the media to delete
521 * \param p_exception an initialized exception
523 void libvlc_vlm_del_media( libvlc_instance_t *, char *, libvlc_exception_t * );
526 * Enable or disable a media (vod or broadcast)
527 * \param p_instance the instance
528 * \param psz_name the media to work on
529 * \param b_enabled the new status
530 * \param p_exception an initialized exception
532 void libvlc_vlm_set_enabled( libvlc_instance_t *, char *, int,
533 libvlc_exception_t *);
536 * Set the output for a media
537 * \param p_instance the instance
538 * \param psz_name the media to work on
539 * \param psz_output the output MRL (the parameter to the "sout" variable)
540 * \param p_exception an initialized exception
542 void libvlc_vlm_set_output( libvlc_instance_t *, char *, char*,
543 libvlc_exception_t *);
546 * Set a media's input MRL. This will delete all existing inputs and
547 * add the specified one.
548 * \param p_instance the instance
549 * \param psz_name the media to work on
550 * \param psz_input the input MRL
551 * \param p_exception an initialized exception
553 void libvlc_vlm_set_input( libvlc_instance_t *, char *, char*,
554 libvlc_exception_t *);
557 * Set output for a media
558 * \param p_instance the instance
559 * \param psz_name the media to work on
560 * \param b_loop the new status
561 * \param p_exception an initialized exception
563 void libvlc_vlm_set_loop( libvlc_instance_t *, char *, int,
564 libvlc_exception_t *);
567 * Edit the parameters of a media. This will delete all existing inputs and
568 * add the specified one.
569 * \param p_instance the instance
570 * \param psz_name the name of the new broadcast
571 * \param psz_input the input MRL
572 * \param psz_output the output MRL (the parameter to the "sout" variable)
573 * \param i_options number of additional options
574 * \param ppsz_options additional options
575 * \param b_enabled boolean for enabling the new broadcast
576 * \param b_loop Should this broadcast be played in loop ?
577 * \param p_exception an initialized exception
579 void libvlc_vlm_change_media( libvlc_instance_t *, char *, char *, char* ,
580 int, char **, int, int, libvlc_exception_t * );
583 * Plays the named broadcast.
584 * \param p_instance the instance
585 * \param psz_name the name of the broadcast
586 * \param p_exception an initialized exception
588 void libvlc_vlm_play_media ( libvlc_instance_t *, char *, libvlc_exception_t * );
591 * Stops the named broadcast.
592 * \param p_instance the instance
593 * \param psz_name the name of the broadcast
594 * \param p_exception an initialized exception
596 void libvlc_vlm_stop_media ( libvlc_instance_t *, char *, libvlc_exception_t * );
599 * Pauses the named broadcast.
600 * \param p_instance the instance
601 * \param psz_name the name of the broadcast
602 * \param p_exception an initialized exception
604 void libvlc_vlm_pause_media( libvlc_instance_t *, char *, libvlc_exception_t * );
607 * Seeks in the named broadcast.
608 * \param p_instance the instance
609 * \param psz_name the name of the broadcast
610 * \param f_percentage the percentage to seek to
611 * \param p_exception an initialized exception
613 void libvlc_vlm_seek_media( libvlc_instance_t *, char *,
614 float, libvlc_exception_t * );
617 * Return information of the named broadcast.
618 * \param p_instance the instance
619 * \param psz_name the name of the broadcast
620 * \param p_exception an initialized exception
622 char* libvlc_vlm_show_media( libvlc_instance_t *, char *, libvlc_exception_t * );
624 #define LIBVLC_VLM_GET_MEDIA_ATTRIBUTE( attr, returnType, getType, default)\
625 returnType libvlc_vlm_get_media_## attr( libvlc_instance_t *, \
626 char *, int , libvlc_exception_t * );
628 LIBVLC_VLM_GET_MEDIA_ATTRIBUTE( position, float, Float, -1);
629 LIBVLC_VLM_GET_MEDIA_ATTRIBUTE( time, int, Integer, -1);
630 LIBVLC_VLM_GET_MEDIA_ATTRIBUTE( length, int, Integer, -1);
631 LIBVLC_VLM_GET_MEDIA_ATTRIBUTE( rate, int, Integer, -1);
632 LIBVLC_VLM_GET_MEDIA_ATTRIBUTE( title, int, Integer, 0);
633 LIBVLC_VLM_GET_MEDIA_ATTRIBUTE( chapter, int, Integer, 0);
634 LIBVLC_VLM_GET_MEDIA_ATTRIBUTE( seekable, int, Bool, 0);
636 #undef LIBVLC_VLM_GET_MEDIA_ATTRIBUTE
641 /*****************************************************************************
642 * Message log handling
643 *****************************************************************************/
645 /** defgroup libvlc_log Log
647 * LibVLC Message Logging
651 /** This structure is opaque. It represents a libvlc log instance */
652 typedef struct libvlc_log_t libvlc_log_t;
654 /** This structure is opaque. It represents a libvlc log iterator */
655 typedef struct libvlc_log_iterator_t libvlc_log_iterator_t;
657 typedef struct libvlc_log_message_t
659 unsigned sizeof_msg; /* sizeof() of message structure, must be filled in by user */
660 int i_severity; /* 0=INFO, 1=ERR, 2=WARN, 3=DBG */
661 const char *psz_type; /* module type */
662 const char *psz_name; /* module name */
663 const char *psz_header; /* optional header */
664 const char *psz_message; /* message */
665 } libvlc_log_message_t;
668 * Returns the VLC messaging verbosity level
669 * \param p_instance libvlc instance
670 * \param exception an initialized exception pointer
672 unsigned libvlc_get_log_verbosity( const libvlc_instance_t *p_instance, libvlc_exception_t *p_e );
675 * Set the VLC messaging verbosity level
676 * \param p_log libvlc log instance
677 * \param exception an initialized exception pointer
679 void libvlc_set_log_verbosity( libvlc_instance_t *p_instance, unsigned level, libvlc_exception_t *p_e );
682 * Open an instance to VLC message log
683 * \param p_instance libvlc instance
684 * \param exception an initialized exception pointer
686 libvlc_log_t *libvlc_log_open( const libvlc_instance_t *, libvlc_exception_t *);
689 * Close an instance of VLC message log
690 * \param p_log libvlc log instance
691 * \param exception an initialized exception pointer
693 void libvlc_log_close( libvlc_log_t *, libvlc_exception_t *);
696 * Returns the number of messages in log
697 * \param p_log libvlc log instance
698 * \param exception an initialized exception pointer
700 unsigned libvlc_log_count( const libvlc_log_t *, libvlc_exception_t *);
703 * Clear all messages in log
704 * the log should be cleared on a regular basis to avoid clogging
705 * \param p_log libvlc log instance
706 * \param exception an initialized exception pointer
708 void libvlc_log_clear( libvlc_log_t *, libvlc_exception_t *);
711 * Allocate and returns a new iterator to messages in log
712 * \param p_log libvlc log instance
713 * \param exception an initialized exception pointer
715 libvlc_log_iterator_t *libvlc_log_get_iterator( const libvlc_log_t *, libvlc_exception_t *);
718 * Releases a previoulsy allocated iterator
719 * \param p_log libvlc log iterator
720 * \param exception an initialized exception pointer
722 void libvlc_log_iterator_free( libvlc_log_iterator_t *p_iter, libvlc_exception_t *p_e );
725 * Returns whether log iterator has more messages
726 * \param p_log libvlc log iterator
727 * \param exception an initialized exception pointer
729 int libvlc_log_iterator_has_next( const libvlc_log_iterator_t *p_iter, libvlc_exception_t *p_e );
732 * Returns next log message
733 * the content of message must not be freed
734 * \param p_log libvlc log iterator
735 * \param exception an initialized exception pointer
737 libvlc_log_message_t *libvlc_log_iterator_next( libvlc_log_iterator_t *p_iter,
738 struct libvlc_log_message_t *buffer,
739 libvlc_exception_t *p_e );
747 #endif /* <vlc/libvlc.h> */