1 /*****************************************************************************
2 * libvlc.c: Implementation of the old libvlc API
3 *****************************************************************************
4 * Copyright (C) 1998-2007 the VideoLAN team
7 * Authors: Vincent Seguin <seguin@via.ecp.fr>
8 * Samuel Hocevar <sam@zoy.org>
9 * Gildas Bazin <gbazin@videolan.org>
10 * Derk-Jan Hartman <hartman at videolan dot org>
11 * RĂ©mi Denis-Courmont <rem # videolan : org>
13 * This program is free software; you can redistribute it and/or modify
14 * it under the terms of the GNU General Public License as published by
15 * the Free Software Foundation; either version 2 of the License, or
16 * (at your option) any later version.
18 * This program is distributed in the hope that it will be useful,
19 * but WITHOUT ANY WARRANTY; without even the implied warranty of
20 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21 * GNU General Public License for more details.
23 * You should have received a copy of the GNU General Public License
24 * along with this program; if not, write to the Free Software
25 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
26 *****************************************************************************/
28 /*****************************************************************************
29 * Pretend we are a builtin module
30 *****************************************************************************/
31 #define MODULE_NAME main
32 #define MODULE_PATH main
35 /*****************************************************************************
37 *****************************************************************************/
40 #include "control/libvlc_internal.h"
43 #include <vlc_playlist.h>
48 /*****************************************************************************
49 * VLC_Version: return the libvlc version.
50 *****************************************************************************
51 * This function returns full version string (numeric version and codename).
52 *****************************************************************************/
53 char const * VLC_Version( void )
55 return VERSION_MESSAGE;
58 /*****************************************************************************
59 * VLC_CompileBy, VLC_CompileHost, VLC_CompileDomain,
60 * VLC_Compiler, VLC_Changeset
61 *****************************************************************************/
62 #define DECLARE_VLC_VERSION( func, var ) \
63 char const * VLC_##func ( void ) \
68 DECLARE_VLC_VERSION( CompileBy, COMPILE_BY );
69 DECLARE_VLC_VERSION( CompileHost, COMPILE_HOST );
70 DECLARE_VLC_VERSION( CompileDomain, COMPILE_DOMAIN );
71 DECLARE_VLC_VERSION( Compiler, COMPILER );
73 extern const char psz_vlc_changeset[];
74 const char* VLC_Changeset( void )
76 return psz_vlc_changeset;
79 /*****************************************************************************
80 * VLC_Error: strerror() equivalent
81 *****************************************************************************
82 * This function returns full version string (numeric version and codename).
83 *****************************************************************************/
84 char const * VLC_Error( int i_err )
86 return vlc_error( i_err );
89 /*****************************************************************************
90 * VLC_Create: allocate a libvlc instance and intialize global libvlc stuff if needed
91 *****************************************************************************
92 * This function allocates a libvlc instance and returns a negative value
93 * in case of failure. Also, the thread system is initialized.
94 *****************************************************************************/
95 int VLC_Create( void )
97 libvlc_int_t *p_object = libvlc_InternalCreate();
98 if( p_object ) return p_object->i_object_id;
102 #define LIBVLC_FUNC \
103 libvlc_int_t * p_libvlc = vlc_current_object( i_object ); \
104 if( !p_libvlc ) return VLC_ENOOBJ;
105 #define LIBVLC_FUNC_END \
106 if( i_object ) vlc_object_release( p_libvlc );
109 /*****************************************************************************
110 * VLC_Init: initialize a libvlc instance
111 *****************************************************************************
112 * This function initializes a previously allocated libvlc instance:
114 * - gettext initialization
115 * - message queue, module bank and playlist initialization
116 * - configuration and commandline parsing
117 *****************************************************************************/
118 int VLC_Init( int i_object, int i_argc, char *ppsz_argv[] )
122 i_ret = libvlc_InternalInit( p_libvlc, i_argc, ppsz_argv );
127 /*****************************************************************************
128 * VLC_AddIntf: add an interface
129 *****************************************************************************
130 * This function opens an interface plugin and runs it. If b_block is set
131 * to 0, VLC_AddIntf will return immediately and let the interface run in a
132 * separate thread. If b_block is set to 1, VLC_AddIntf will continue until
133 * user requests to quit. If b_play is set to 1, VLC_AddIntf will start playing
134 * the playlist when it is completely initialised.
135 *****************************************************************************/
136 int VLC_AddIntf( int i_object, char const *psz_module,
137 vlc_bool_t b_block, vlc_bool_t b_play )
141 i_ret = libvlc_InternalAddIntf( p_libvlc, psz_module, b_block, b_play,
148 /*****************************************************************************
149 * VLC_Die: ask vlc to die.
150 *****************************************************************************
151 * This function sets p_libvlc->b_die to VLC_TRUE, but does not do any other
152 * task. It is your duty to call VLC_CleanUp and VLC_Destroy afterwards.
153 *****************************************************************************/
154 int VLC_Die( int i_object )
157 vlc_object_kill( p_libvlc );
162 /*****************************************************************************
163 * VLC_CleanUp: CleanUp all the intf, playlist, vout, aout
164 *****************************************************************************/
165 int VLC_CleanUp( int i_object )
169 i_ret = libvlc_InternalCleanup( p_libvlc );
174 /*****************************************************************************
175 * VLC_Destroy: Destroy everything.
176 *****************************************************************************
177 * This function requests the running threads to finish, waits for their
178 * termination, and destroys their structure.
179 *****************************************************************************/
180 int VLC_Destroy( int i_object )
183 return libvlc_InternalDestroy( p_libvlc, i_object ? VLC_TRUE : VLC_FALSE );
186 /*****************************************************************************
187 * VLC_VariableSet: set a vlc variable
188 *****************************************************************************/
189 int VLC_VariableSet( int i_object, char const *psz_var, vlc_value_t value )
194 /* FIXME: Temporary hack for Mozilla, if variable starts with conf:: then
195 * we handle it as a configuration variable. Don't tell Gildas :) -- sam */
196 if( !strncmp( psz_var, "conf::", 6 ) )
198 module_config_t *p_item;
199 char const *psz_newvar = psz_var + 6;
201 p_item = config_FindConfig( VLC_OBJECT(p_libvlc), psz_newvar );
205 switch( p_item->i_type )
207 case CONFIG_ITEM_BOOL:
208 config_PutInt( p_libvlc, psz_newvar, value.b_bool );
210 case CONFIG_ITEM_INTEGER:
211 config_PutInt( p_libvlc, psz_newvar, value.i_int );
213 case CONFIG_ITEM_FLOAT:
214 config_PutFloat( p_libvlc, psz_newvar, value.f_float );
217 config_PutPsz( p_libvlc, psz_newvar, value.psz_string );
220 if( i_object ) vlc_object_release( p_libvlc );
225 i_ret = var_Set( p_libvlc, psz_var, value );
231 /*****************************************************************************
232 * VLC_VariableGet: get a vlc variable
233 *****************************************************************************/
234 int VLC_VariableGet( int i_object, char const *psz_var, vlc_value_t *p_value )
238 i_ret = var_Get( p_libvlc , psz_var, p_value );
243 /*****************************************************************************
244 * VLC_VariableType: get a vlc variable type
245 *****************************************************************************/
246 int VLC_VariableType( int i_object, char const *psz_var, int *pi_type )
250 /* FIXME: Temporary hack for Mozilla, if variable starts with conf:: then
251 * we handle it as a configuration variable. Don't tell Gildas :) -- sam */
252 if( !strncmp( psz_var, "conf::", 6 ) )
254 module_config_t *p_item;
255 char const *psz_newvar = psz_var + 6;
257 p_item = config_FindConfig( VLC_OBJECT(p_libvlc), psz_newvar );
261 switch( p_item->i_type )
263 case CONFIG_ITEM_BOOL:
264 i_type = VLC_VAR_BOOL;
266 case CONFIG_ITEM_INTEGER:
267 i_type = VLC_VAR_INTEGER;
269 case CONFIG_ITEM_FLOAT:
270 i_type = VLC_VAR_FLOAT;
273 i_type = VLC_VAR_STRING;
281 i_type = VLC_VAR_TYPE & var_Type( p_libvlc , psz_var );
293 #define LIBVLC_PLAYLIST_FUNC \
294 libvlc_int_t *p_libvlc = vlc_current_object( i_object );\
295 if( !p_libvlc || !p_libvlc->p_playlist ) return VLC_ENOOBJ; \
296 vlc_object_yield( p_libvlc->p_playlist );
298 #define LIBVLC_PLAYLIST_FUNC_END \
299 vlc_object_release( p_libvlc->p_playlist ); \
300 if( i_object ) vlc_object_release( p_libvlc );
302 /*****************************************************************************
303 * VLC_AddTarget: adds a target for playing.
304 *****************************************************************************
305 * This function adds psz_target to the playlist
306 *****************************************************************************/
308 int VLC_AddTarget( int i_object, char const *psz_target,
309 char const **ppsz_options, int i_options,
310 int i_mode, int i_pos )
313 LIBVLC_PLAYLIST_FUNC;
314 i_err = playlist_AddExt( p_libvlc->p_playlist, psz_target,
315 NULL, i_mode, i_pos, -1,
316 ppsz_options, i_options, VLC_TRUE, VLC_FALSE );
317 LIBVLC_PLAYLIST_FUNC_END;
321 /*****************************************************************************
322 * VLC_Play: play the playlist
323 *****************************************************************************/
324 int VLC_Play( int i_object )
326 LIBVLC_PLAYLIST_FUNC;
327 playlist_Play( p_libvlc->p_playlist );
328 LIBVLC_PLAYLIST_FUNC_END;
332 /*****************************************************************************
333 * VLC_Pause: toggle pause
334 *****************************************************************************/
335 int VLC_Pause( int i_object )
337 LIBVLC_PLAYLIST_FUNC;
338 playlist_Pause( p_libvlc->p_playlist );
339 LIBVLC_PLAYLIST_FUNC_END;
343 /*****************************************************************************
344 * VLC_Stop: stop playback
345 *****************************************************************************/
346 int VLC_Stop( int i_object )
348 LIBVLC_PLAYLIST_FUNC;
349 playlist_Stop( p_libvlc->p_playlist );
350 LIBVLC_PLAYLIST_FUNC_END;
354 /*****************************************************************************
355 * VLC_IsPlaying: Query for Playlist Status
356 *****************************************************************************/
357 vlc_bool_t VLC_IsPlaying( int i_object )
359 vlc_bool_t b_playing;
361 LIBVLC_PLAYLIST_FUNC;
362 if( p_libvlc->p_playlist->p_input )
365 var_Get( p_libvlc->p_playlist->p_input, "state", &val );
366 b_playing = ( val.i_int == PLAYING_S );
370 b_playing = playlist_IsPlaying( p_libvlc->p_playlist );
372 LIBVLC_PLAYLIST_FUNC_END;
377 * Get the current position in a input
379 * Return the current position as a float
380 * \note For some inputs, this will be unknown.
382 * \param i_object a vlc object id
383 * \return a float in the range of 0.0 - 1.0
385 float VLC_PositionGet( int i_object )
387 input_thread_t *p_input;
391 p_input = vlc_object_find( p_libvlc, VLC_OBJECT_INPUT, FIND_CHILD );
395 if( i_object ) vlc_object_release( p_libvlc );
399 var_Get( p_input, "position", &val );
400 vlc_object_release( p_input );
407 * Set the current position in a input
409 * Set the current position in a input and then return
410 * the current position as a float.
411 * \note For some inputs, this will be unknown.
413 * \param i_object a vlc object id
414 * \param i_position a float in the range of 0.0 - 1.0
415 * \return a float in the range of 0.0 - 1.0
417 float VLC_PositionSet( int i_object, float i_position )
419 input_thread_t *p_input;
421 libvlc_int_t *p_libvlc = vlc_current_object( i_object );
423 /* Check that the handle is valid */
429 p_input = vlc_object_find( p_libvlc, VLC_OBJECT_INPUT, FIND_CHILD );
433 if( i_object ) vlc_object_release( p_libvlc );
437 val.f_float = i_position;
438 var_Set( p_input, "position", val );
439 var_Get( p_input, "position", &val );
440 vlc_object_release( p_input );
442 if( i_object ) vlc_object_release( p_libvlc );
447 * Get the current position in a input
449 * Return the current position in seconds from the start.
450 * \note For some inputs, this will be unknown.
452 * \param i_object a vlc object id
453 * \return the offset from 0:00 in seconds
455 int VLC_TimeGet( int i_object )
457 input_thread_t *p_input;
459 libvlc_int_t *p_libvlc = vlc_current_object( i_object );
461 /* Check that the handle is valid */
467 p_input = vlc_object_find( p_libvlc, VLC_OBJECT_INPUT, FIND_CHILD );
471 if( i_object ) vlc_object_release( p_libvlc );
475 var_Get( p_input, "time", &val );
476 vlc_object_release( p_input );
478 if( i_object ) vlc_object_release( p_libvlc );
479 return val.i_time / 1000000;
483 * Seek to a position in the current input
485 * Seek i_seconds in the current input. If b_relative is set,
486 * then the seek will be relative to the current position, otherwise
487 * it will seek to i_seconds from the beginning of the input.
488 * \note For some inputs, this will be unknown.
490 * \param i_object a vlc object id
491 * \param i_seconds seconds from current position or from beginning of input
492 * \param b_relative seek relative from current position
493 * \return VLC_SUCCESS on success
495 int VLC_TimeSet( int i_object, int i_seconds, vlc_bool_t b_relative )
497 input_thread_t *p_input;
499 libvlc_int_t *p_libvlc = vlc_current_object( i_object );
501 /* Check that the handle is valid */
507 p_input = vlc_object_find( p_libvlc, VLC_OBJECT_INPUT, FIND_CHILD );
511 if( i_object ) vlc_object_release( p_libvlc );
517 val.i_time = i_seconds;
518 val.i_time = val.i_time * 1000000L;
519 var_Set( p_input, "time-offset", val );
523 val.i_time = i_seconds;
524 val.i_time = val.i_time * 1000000L;
525 var_Set( p_input, "time", val );
527 vlc_object_release( p_input );
529 if( i_object ) vlc_object_release( p_libvlc );
534 * Get the total length of a input
536 * Return the total length in seconds from the current input.
537 * \note For some inputs, this will be unknown.
539 * \param i_object a vlc object id
540 * \return the length in seconds
542 int VLC_LengthGet( int i_object )
544 input_thread_t *p_input;
546 libvlc_int_t *p_libvlc = vlc_current_object( i_object );
548 /* Check that the handle is valid */
554 p_input = vlc_object_find( p_libvlc, VLC_OBJECT_INPUT, FIND_CHILD );
558 if( i_object ) vlc_object_release( p_libvlc );
562 var_Get( p_input, "length", &val );
563 vlc_object_release( p_input );
565 if( i_object ) vlc_object_release( p_libvlc );
566 return val.i_time / 1000000L;
570 * Play the input faster than realtime
572 * 2x, 4x, 8x faster than realtime
573 * \note For some inputs, this will be impossible.
575 * \param i_object a vlc object id
576 * \return the current speedrate
578 float VLC_SpeedFaster( int i_object )
580 input_thread_t *p_input;
582 libvlc_int_t *p_libvlc = vlc_current_object( i_object );
584 /* Check that the handle is valid */
590 p_input = vlc_object_find( p_libvlc, VLC_OBJECT_INPUT, FIND_CHILD );
594 if( i_object ) vlc_object_release( p_libvlc );
598 val.b_bool = VLC_TRUE;
599 var_Set( p_input, "rate-faster", val );
600 var_Get( p_input, "rate", &val );
601 vlc_object_release( p_input );
603 if( i_object ) vlc_object_release( p_libvlc );
604 return val.f_float / INPUT_RATE_DEFAULT;
608 * Play the input slower than realtime
610 * 1/2x, 1/4x, 1/8x slower than realtime
611 * \note For some inputs, this will be impossible.
613 * \param i_object a vlc object id
614 * \return the current speedrate
616 float VLC_SpeedSlower( int i_object )
618 input_thread_t *p_input;
620 libvlc_int_t *p_libvlc = vlc_current_object( i_object );
622 /* Check that the handle is valid */
628 p_input = vlc_object_find( p_libvlc, VLC_OBJECT_INPUT, FIND_CHILD );
632 if( i_object ) vlc_object_release( p_libvlc );
636 val.b_bool = VLC_TRUE;
637 var_Set( p_input, "rate-slower", val );
638 var_Get( p_input, "rate", &val );
639 vlc_object_release( p_input );
641 if( i_object ) vlc_object_release( p_libvlc );
642 return val.f_float / INPUT_RATE_DEFAULT;
646 * Return the current playlist item
648 * Returns the index of the playlistitem that is currently selected for play.
649 * This is valid even if nothing is currently playing.
651 * \param i_object a vlc object id
652 * \return the current index
654 int VLC_PlaylistIndex( int i_object )
657 printf( "This function is deprecated and should not be used anymore" );
662 * Total number of items in the playlist
664 * \param i_object a vlc object id
665 * \return amount of playlist items
667 int VLC_PlaylistNumberOfItems( int i_object )
670 LIBVLC_PLAYLIST_FUNC;
671 i_size = p_libvlc->p_playlist->items.i_size;
672 LIBVLC_PLAYLIST_FUNC_END;
677 * Go to next playlist item
678 * \param i_object a vlc object id
679 * \return VLC_SUCCESS on success
681 int VLC_PlaylistNext( int i_object )
683 LIBVLC_PLAYLIST_FUNC;
684 playlist_Next( p_libvlc->p_playlist );
685 LIBVLC_PLAYLIST_FUNC_END;
690 * Go to previous playlist item
691 * \param i_object a vlc object id
692 * \return VLC_SUCCESS on success
694 int VLC_PlaylistPrev( int i_object )
696 LIBVLC_PLAYLIST_FUNC;
697 playlist_Prev( p_libvlc->p_playlist );
698 LIBVLC_PLAYLIST_FUNC_END;
705 int VLC_PlaylistClear( int i_object )
707 LIBVLC_PLAYLIST_FUNC;
708 playlist_Clear( p_libvlc->p_playlist, VLC_TRUE );
709 LIBVLC_PLAYLIST_FUNC_END;
716 * \param i_object a vlc object id
717 * \param i_volume something in a range from 0-200
718 * \return the new volume (range 0-200 %)
720 int VLC_VolumeSet( int i_object, int i_volume )
722 audio_volume_t i_vol = 0;
725 if( i_volume >= 0 && i_volume <= 200 )
727 i_vol = i_volume * AOUT_VOLUME_MAX / 200;
728 aout_VolumeSet( p_libvlc, i_vol );
731 return i_vol * 200 / AOUT_VOLUME_MAX;
735 * Get the current volume
737 * Retrieve the current volume.
739 * \param i_object a vlc object id
740 * \return the current volume (range 0-200 %)
742 int VLC_VolumeGet( int i_object )
744 audio_volume_t i_volume;
746 aout_VolumeGet( p_libvlc, &i_volume );
748 return i_volume*200/AOUT_VOLUME_MAX;
752 * Mute/Unmute the volume
754 * \param i_object a vlc object id
755 * \return VLC_SUCCESS on success
757 int VLC_VolumeMute( int i_object )
760 aout_VolumeMute( p_libvlc, NULL );
765 /*****************************************************************************
766 * VLC_FullScreen: toggle fullscreen mode
767 *****************************************************************************/
768 int VLC_FullScreen( int i_object )
770 vout_thread_t *p_vout;
772 p_vout = vlc_object_find( p_libvlc, VLC_OBJECT_VOUT, FIND_CHILD );
776 if( i_object ) vlc_object_release( p_libvlc );
780 p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE;
781 vlc_object_release( p_vout );