1 /*****************************************************************************
2 * playlist.c : Playlist management functions
3 *****************************************************************************
4 * Copyright (C) 1999-2004 VideoLAN
7 * Authors: Samuel Hocevar <sam@zoy.org>
8 * Clément Stenac <zorglub@videolan.org>
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
23 *****************************************************************************/
24 #include <stdlib.h> /* free(), strtol() */
25 #include <stdio.h> /* sprintf() */
26 #include <string.h> /* strerror() */
31 #include <vlc/input.h>
33 #include "vlc_playlist.h"
35 #define TITLE_CATEGORY N_( "By category" )
36 #define TITLE_SIMPLE N_( "Manually added" )
37 #define TITLE_ALL N_( "All items, unsorted" )
39 #undef PLAYLIST_PROFILE
42 /*****************************************************************************
44 *****************************************************************************/
45 static void RunThread ( playlist_t * );
46 static void RunPreparse( playlist_preparse_t * );
47 static playlist_item_t * NextItem ( playlist_t * );
48 static int PlayItem ( playlist_t *, playlist_item_t * );
50 static int ItemChange( vlc_object_t *, const char *,
51 vlc_value_t, vlc_value_t, void * );
53 int playlist_vaControl( playlist_t * p_playlist, int i_query, va_list args );
59 * Create a playlist structure.
60 * \param p_parent the vlc object that is to be the parent of this playlist
61 * \return a pointer to the created playlist, or NULL on error
63 playlist_t * __playlist_Create ( vlc_object_t *p_parent )
65 playlist_t *p_playlist;
66 playlist_view_t *p_view;
69 /* Allocate structure */
70 p_playlist = vlc_object_create( p_parent, VLC_OBJECT_PLAYLIST );
73 msg_Err( p_parent, "out of memory" );
77 /* These variables control updates */
78 var_Create( p_playlist, "intf-change", VLC_VAR_BOOL );
79 val.b_bool = VLC_TRUE;
80 var_Set( p_playlist, "intf-change", val );
82 var_Create( p_playlist, "item-change", VLC_VAR_INTEGER );
84 var_Set( p_playlist, "item-change", val );
86 var_Create( p_playlist, "item-deleted", VLC_VAR_INTEGER );
88 var_Set( p_playlist, "item-deleted", val );
90 var_Create( p_playlist, "item-append", VLC_VAR_ADDRESS );
92 var_Create( p_playlist, "playlist-current", VLC_VAR_INTEGER );
94 var_Set( p_playlist, "playlist-current", val );
96 var_Create( p_playlist, "intf-popupmenu", VLC_VAR_BOOL );
98 var_Create( p_playlist, "intf-show", VLC_VAR_BOOL );
99 val.b_bool = VLC_TRUE;
100 var_Set( p_playlist, "intf-show", val );
103 /* Variables to control playback */
104 var_CreateGetBool( p_playlist, "play-and-stop" );
105 var_CreateGetBool( p_playlist, "random" );
106 var_CreateGetBool( p_playlist, "repeat" );
107 var_CreateGetBool( p_playlist, "loop" );
109 /* Initialise data structures */
110 vlc_mutex_init( p_playlist, &p_playlist->gc_lock );
111 p_playlist->i_last_id = 0;
112 p_playlist->b_go_next = VLC_TRUE;
113 p_playlist->p_input = NULL;
115 p_playlist->request_date = 0;
117 p_playlist->i_views = 0;
118 p_playlist->pp_views = NULL;
120 p_playlist->i_index = -1;
121 p_playlist->i_size = 0;
122 p_playlist->pp_items = NULL;
123 p_playlist->i_all_size = 0;
124 p_playlist->pp_all_items = 0;
126 playlist_ViewInsert( p_playlist, VIEW_CATEGORY, TITLE_CATEGORY );
127 playlist_ViewInsert( p_playlist, VIEW_ALL, TITLE_ALL );
129 p_view = playlist_ViewFind( p_playlist, VIEW_CATEGORY );
131 p_playlist->p_general =
132 playlist_NodeCreate( p_playlist, VIEW_CATEGORY,
133 _( "General" ), p_view->p_root );
134 p_playlist->p_general->i_flags |= PLAYLIST_RO_FLAG;
136 /* Set startup status
137 * We set to simple view on startup for interfaces that don't do
139 p_view = playlist_ViewFind( p_playlist, VIEW_CATEGORY );
140 p_playlist->status.i_view = VIEW_CATEGORY;
141 p_playlist->status.p_item = NULL;
142 p_playlist->status.p_node = p_view->p_root;
143 p_playlist->request.b_request = VLC_FALSE;
144 p_playlist->status.i_status = PLAYLIST_STOPPED;
147 p_playlist->i_sort = SORT_ID;
148 p_playlist->i_order = ORDER_NORMAL;
150 /* Finally, launch the thread ! */
151 if( vlc_thread_create( p_playlist, "playlist", RunThread,
152 VLC_THREAD_PRIORITY_LOW, VLC_TRUE ) )
154 msg_Err( p_playlist, "cannot spawn playlist thread" );
155 vlc_object_destroy( p_playlist );
159 /* Preparsing stuff */
160 p_playlist->p_preparse = vlc_object_create( p_playlist,
161 sizeof( playlist_preparse_t ) );
162 if( !p_playlist->p_preparse )
164 msg_Err( p_playlist, "unable to create preparser" );
165 vlc_object_destroy( p_playlist );
169 p_playlist->p_preparse->i_waiting = 0;
170 p_playlist->p_preparse->pp_waiting = NULL;
172 vlc_object_attach( p_playlist->p_preparse, p_playlist );
173 if( vlc_thread_create( p_playlist->p_preparse, "preparser",
174 RunPreparse, VLC_THREAD_PRIORITY_LOW, VLC_TRUE ) )
176 msg_Err( p_playlist, "cannot spawn preparse thread" );
177 vlc_object_detach( p_playlist->p_preparse );
178 vlc_object_destroy( p_playlist->p_preparse );
182 /* The object has been initialized, now attach it */
183 vlc_object_attach( p_playlist, p_parent );
189 * Destroy the playlist.
191 * Delete all items in the playlist and free the playlist structure.
192 * \param p_playlist the playlist structure to destroy
193 * \return VLC_SUCCESS or an error
195 int playlist_Destroy( playlist_t * p_playlist )
198 p_playlist->b_die = 1;
200 while( p_playlist->i_sds )
202 playlist_ServicesDiscoveryRemove( p_playlist,
203 p_playlist->pp_sds[0]->psz_module );
206 vlc_thread_join( p_playlist->p_preparse );
207 vlc_thread_join( p_playlist );
209 vlc_object_detach( p_playlist->p_preparse );
211 var_Destroy( p_playlist, "intf-change" );
212 var_Destroy( p_playlist, "item-change" );
213 var_Destroy( p_playlist, "playlist-current" );
214 var_Destroy( p_playlist, "intf-popmenu" );
215 var_Destroy( p_playlist, "intf-show" );
216 var_Destroy( p_playlist, "play-and-stop" );
217 var_Destroy( p_playlist, "random" );
218 var_Destroy( p_playlist, "repeat" );
219 var_Destroy( p_playlist, "loop" );
221 playlist_Clear( p_playlist );
223 for( i = p_playlist->i_views - 1; i >= 0 ; i-- )
225 playlist_view_t *p_view = p_playlist->pp_views[i];
226 if( p_view->psz_name )
227 free( p_view->psz_name );
228 playlist_ItemDelete( p_view->p_root );
229 REMOVE_ELEM( p_playlist->pp_views, p_playlist->i_views, i );
233 vlc_mutex_destroy( &p_playlist->gc_lock );
234 vlc_object_destroy( p_playlist->p_preparse );
235 vlc_object_destroy( p_playlist );
242 * Do a playlist action.
244 * If there is something in the playlist then you can do playlist actions.
246 * Playlist lock must not be taken when calling this function
248 * \param p_playlist the playlist to do the command on
249 * \param i_query the command to do
250 * \param variable number of arguments
251 * \return VLC_SUCCESS or an error
253 int playlist_LockControl( playlist_t * p_playlist, int i_query, ... )
257 va_start( args, i_query );
258 vlc_mutex_lock( &p_playlist->object_lock );
259 i_result = playlist_vaControl( p_playlist, i_query, args );
261 vlc_mutex_unlock( &p_playlist->object_lock );
266 * Do a playlist action.
268 * If there is something in the playlist then you can do playlist actions.
270 * Playlist lock must be taken when calling this function
272 * \param p_playlist the playlist to do the command on
273 * \param i_query the command to do
274 * \param variable number of arguments
275 * \return VLC_SUCCESS or an error
277 int playlist_Control( playlist_t * p_playlist, int i_query, ... )
281 va_start( args, i_query );
282 i_result = playlist_vaControl( p_playlist, i_query, args );
288 int playlist_vaControl( playlist_t * p_playlist, int i_query, va_list args )
290 playlist_view_t *p_view;
291 playlist_item_t *p_item, *p_node;
295 #ifdef PLAYLIST_PROFILE
296 p_playlist->request_date = mdate();
299 if( p_playlist->i_size <= 0 )
307 p_playlist->status.i_status = PLAYLIST_STOPPED;
308 p_playlist->request.b_request = VLC_TRUE;
311 case PLAYLIST_ITEMPLAY:
312 p_item = (playlist_item_t *)va_arg( args, playlist_item_t * );
313 if ( p_item == NULL || p_item->input.psz_uri == NULL )
315 p_playlist->status.i_status = PLAYLIST_RUNNING;
316 p_playlist->request.i_skip = 0;
317 p_playlist->request.b_request = VLC_TRUE;
318 p_playlist->request.p_item = p_item;
319 p_playlist->request.i_view = p_playlist->status.i_view;
320 p_view = playlist_ViewFind( p_playlist, p_playlist->status.i_view );
323 p_playlist->request.p_node = p_view->p_root;
327 p_playlist->request.p_node = NULL;
331 case PLAYLIST_VIEWPLAY:
332 i_view = (int)va_arg( args,int );
333 p_node = (playlist_item_t *)va_arg( args, playlist_item_t * );
334 p_item = (playlist_item_t *)va_arg( args, playlist_item_t * );
335 if ( p_node == NULL || p_item == NULL || p_item->input.psz_uri == NULL )
337 p_playlist->status.i_status = PLAYLIST_STOPPED;
338 p_playlist->request.b_request = VLC_TRUE;
341 p_playlist->status.i_status = PLAYLIST_RUNNING;
342 p_playlist->request.i_skip = 0;
343 p_playlist->request.b_request = VLC_TRUE;
344 p_playlist->request.i_view = i_view;
345 p_playlist->request.p_node = p_node;
346 p_playlist->request.p_item = p_item;
348 /* If we select a node, play only it.
349 * If we select an item, continue */
350 if( p_playlist->request.p_item == NULL ||
351 ! p_playlist->request.p_node->i_flags & PLAYLIST_SKIP_FLAG )
353 p_playlist->b_go_next = VLC_FALSE;
357 p_playlist->b_go_next = VLC_TRUE;
362 p_playlist->status.i_status = PLAYLIST_RUNNING;
364 if( p_playlist->p_input )
366 val.i_int = PLAYING_S;
367 var_Set( p_playlist->p_input, "state", val );
371 /* FIXME : needed ? */
372 p_playlist->request.b_request = VLC_TRUE;
373 p_playlist->request.i_view = p_playlist->status.i_view;
374 p_playlist->request.p_node = p_playlist->status.p_node;
375 p_playlist->request.p_item = p_playlist->status.p_item;
376 p_playlist->request.i_skip = 0;
377 p_playlist->request.i_goto = -1;
380 case PLAYLIST_AUTOPLAY:
381 p_playlist->status.i_status = PLAYLIST_RUNNING;
383 p_playlist->request.b_request = VLC_FALSE;
388 if( p_playlist->p_input )
389 var_Get( p_playlist->p_input, "state", &val );
391 if( val.i_int == PAUSE_S )
393 p_playlist->status.i_status = PLAYLIST_RUNNING;
394 if( p_playlist->p_input )
396 val.i_int = PLAYING_S;
397 var_Set( p_playlist->p_input, "state", val );
402 p_playlist->status.i_status = PLAYLIST_PAUSED;
403 if( p_playlist->p_input )
406 var_Set( p_playlist->p_input, "state", val );
412 if( p_playlist->status.i_view > -1 )
414 p_playlist->request.i_view = p_playlist->status.i_view;
415 p_playlist->request.p_node = p_playlist->status.p_node;
416 p_playlist->request.p_item = p_playlist->status.p_item;
418 p_playlist->request.i_skip = (int) va_arg( args, int );
419 p_playlist->request.b_request = VLC_TRUE;
423 p_playlist->status.i_status = PLAYLIST_RUNNING;
424 p_playlist->request.p_node = NULL;
425 p_playlist->request.p_item = NULL;
426 p_playlist->request.i_view = -1;
427 p_playlist->request.i_goto = (int) va_arg( args, int );
428 p_playlist->request.b_request = VLC_TRUE;
432 msg_Err( p_playlist, "unimplemented playlist query" );
440 int playlist_PreparseEnqueue( playlist_t *p_playlist,
441 input_item_t *p_item )
443 vlc_mutex_lock( &p_playlist->p_preparse->object_lock );
444 INSERT_ELEM( p_playlist->p_preparse->pp_waiting,
445 p_playlist->p_preparse->i_waiting,
446 p_playlist->p_preparse->i_waiting,
448 vlc_mutex_unlock( &p_playlist->p_preparse->object_lock );
453 /* Destroy remaining objects */
454 static mtime_t ObjectGarbageCollector( playlist_t *p_playlist, int i_type,
455 mtime_t destroy_date )
459 if( destroy_date > mdate() ) return destroy_date;
461 if( destroy_date == 0 )
463 /* give a little time */
464 return mdate() + I64C(1000000);
468 vlc_mutex_lock( &p_playlist->gc_lock );
469 while( ( p_obj = vlc_object_find( p_playlist, i_type, FIND_CHILD ) ) )
471 if( p_obj->p_parent != (vlc_object_t*)p_playlist )
473 /* only first child (ie unused) */
474 vlc_object_release( p_obj );
477 if( i_type == VLC_OBJECT_VOUT )
479 msg_Dbg( p_playlist, "garbage collector destroying 1 vout" );
480 vlc_object_detach( p_obj );
481 vlc_object_release( p_obj );
482 vout_Destroy( (vout_thread_t *)p_obj );
484 else if( i_type == VLC_OBJECT_SOUT )
486 vlc_object_release( p_obj );
487 sout_DeleteInstance( (sout_instance_t*)p_obj );
490 vlc_mutex_unlock( &p_playlist->gc_lock );
495 /*****************************************************************************
496 * RunThread: main playlist thread
497 *****************************************************************************/
498 static void RunThread ( playlist_t *p_playlist )
501 playlist_item_t *p_item = NULL;
503 mtime_t i_vout_destroyed_date = 0;
504 mtime_t i_sout_destroyed_date = 0;
506 playlist_item_t *p_autodelete_item = NULL;
508 /* Tell above that we're ready */
509 vlc_thread_ready( p_playlist );
511 while( !p_playlist->b_die )
513 vlc_mutex_lock( &p_playlist->object_lock );
515 /* First, check if we have something to do */
516 /* FIXME : this can be called several times */
517 if( p_playlist->request.b_request )
519 #ifdef PLAYLIST_PROFILE
520 msg_Dbg(p_playlist, "beginning processing of request, "
521 I64Fi" us ", mdate() - p_playlist->request_date );
523 /* Stop the existing input */
524 if( p_playlist->p_input )
526 input_StopThread( p_playlist->p_input );
528 /* The code below will start the next input for us */
529 if( p_playlist->status.i_status == PLAYLIST_STOPPED )
531 p_playlist->request.b_request = VLC_FALSE;
535 /* If there is an input, check that it doesn't need to die. */
536 if( p_playlist->p_input )
538 /* This input is dead. Remove it ! */
539 if( p_playlist->p_input->b_dead )
541 input_thread_t *p_input;
543 p_input = p_playlist->p_input;
544 p_playlist->p_input = NULL;
546 /* Release the playlist lock, because we may get stuck
547 * in input_DestroyThread() for some time. */
548 vlc_mutex_unlock( &p_playlist->object_lock );
551 input_DestroyThread( p_input );
553 /* Unlink current input
554 * (_after_ input_DestroyThread for vout garbage collector) */
555 vlc_object_detach( p_input );
558 vlc_object_destroy( p_input );
560 i_vout_destroyed_date = 0;
561 i_sout_destroyed_date = 0;
563 if( p_playlist->status.p_item->i_flags
564 & PLAYLIST_REMOVE_FLAG )
566 playlist_ItemDelete( p_item );
567 p_playlist->status.p_item = NULL;
572 /* This input is dying, let him do */
573 else if( p_playlist->p_input->b_die )
577 /* This input has finished, ask him to die ! */
578 else if( p_playlist->p_input->b_error
579 || p_playlist->p_input->b_eof )
581 /* TODO FIXME XXX TODO FIXME XXX */
582 /* Check for autodeletion */
584 if( p_playlist->status.p_item->i_flags & PLAYLIST_DEL_FLAG )
586 p_autodelete_item = p_playlist->status.p_item;
588 input_StopThread( p_playlist->p_input );
589 /* Select the next playlist item */
590 vlc_mutex_unlock( &p_playlist->object_lock );
593 else if( p_playlist->p_input->i_state != INIT_S )
595 vlc_mutex_unlock( &p_playlist->object_lock );
596 i_vout_destroyed_date =
597 ObjectGarbageCollector( p_playlist, VLC_OBJECT_VOUT,
598 i_vout_destroyed_date );
599 i_sout_destroyed_date =
600 ObjectGarbageCollector( p_playlist, VLC_OBJECT_SOUT,
601 i_sout_destroyed_date );
602 vlc_mutex_lock( &p_playlist->object_lock );
605 else if( p_playlist->status.i_status != PLAYLIST_STOPPED )
607 /* Start another input.
608 * Get the next item to play */
609 p_item = NextItem( p_playlist );
615 if( p_autodelete_item )
617 playlist_Delete( p_playlist,
618 p_autodelete_item->input.i_id );
619 p_autodelete_item = NULL;
621 p_playlist->status.i_status = PLAYLIST_STOPPED;
622 vlc_mutex_unlock( &p_playlist->object_lock );
626 PlayItem( p_playlist, p_item );
628 if( p_autodelete_item )
630 playlist_Delete( p_playlist, p_autodelete_item->input.i_id );
631 p_autodelete_item = NULL;
634 else if( p_playlist->status.i_status == PLAYLIST_STOPPED )
636 /* Collect garbage */
637 vlc_mutex_unlock( &p_playlist->object_lock );
638 i_sout_destroyed_date =
639 ObjectGarbageCollector( p_playlist, VLC_OBJECT_SOUT, mdate() );
640 i_vout_destroyed_date =
641 ObjectGarbageCollector( p_playlist, VLC_OBJECT_VOUT, mdate() );
642 vlc_mutex_lock( &p_playlist->object_lock );
644 vlc_mutex_unlock( &p_playlist->object_lock );
646 msleep( INTF_IDLE_SLEEP / 2 );
648 /* Stop sleeping earlier if we have work */
649 /* TODO : statistics about this */
650 if ( p_playlist->request.b_request &&
651 p_playlist->status.i_status == PLAYLIST_RUNNING )
656 msleep( INTF_IDLE_SLEEP / 2 );
661 /* If there is an input, kill it */
664 vlc_mutex_lock( &p_playlist->object_lock );
666 if( p_playlist->p_input == NULL )
668 vlc_mutex_unlock( &p_playlist->object_lock );
672 if( p_playlist->p_input->b_dead )
674 input_thread_t *p_input;
676 /* Unlink current input */
677 p_input = p_playlist->p_input;
678 p_playlist->p_input = NULL;
679 vlc_mutex_unlock( &p_playlist->object_lock );
682 input_DestroyThread( p_input );
683 /* Unlink current input (_after_ input_DestroyThread for vout
684 * garbage collector)*/
685 vlc_object_detach( p_input );
688 vlc_object_destroy( p_input );
691 else if( p_playlist->p_input->b_die )
693 /* This input is dying, leave him alone */
696 else if( p_playlist->p_input->b_error || p_playlist->p_input->b_eof )
698 input_StopThread( p_playlist->p_input );
699 vlc_mutex_unlock( &p_playlist->object_lock );
704 p_playlist->p_input->b_eof = 1;
707 vlc_mutex_unlock( &p_playlist->object_lock );
709 msleep( INTF_IDLE_SLEEP );
712 /* close all remaining sout */
713 while( ( p_obj = vlc_object_find( p_playlist,
714 VLC_OBJECT_SOUT, FIND_CHILD ) ) )
716 vlc_object_release( p_obj );
717 sout_DeleteInstance( (sout_instance_t*)p_obj );
720 /* close all remaining vout */
721 while( ( p_obj = vlc_object_find( p_playlist,
722 VLC_OBJECT_VOUT, FIND_CHILD ) ) )
724 vlc_object_detach( p_obj );
725 vlc_object_release( p_obj );
726 vout_Destroy( (vout_thread_t *)p_obj );
730 /* Queue for items to preparse */
731 static void RunPreparse ( playlist_preparse_t *p_obj )
733 playlist_t *p_playlist = (playlist_t *)p_obj->p_parent;
736 /* Tell above that we're ready */
737 vlc_thread_ready( p_obj );
739 while( !p_playlist->b_die )
741 vlc_mutex_lock( &p_obj->object_lock );
743 if( p_obj->i_waiting > 0 )
745 input_item_t *p_current = p_obj->pp_waiting[0];
746 REMOVE_ELEM( p_obj->pp_waiting, p_obj->i_waiting, 0 );
747 vlc_mutex_unlock( &p_obj->object_lock );
748 input_Preparse( p_playlist, p_current );
749 var_SetInteger( p_playlist, "item-change", p_current->i_id );
750 vlc_mutex_lock( &p_obj->object_lock );
752 b_sleep = ( p_obj->i_waiting == 0 );
754 vlc_mutex_unlock( &p_obj->object_lock );
756 if( p_obj->i_waiting == 0 )
758 msleep( INTF_IDLE_SLEEP );
763 /*****************************************************************************
765 *****************************************************************************
766 * This function calculates the next playlist item, depending
767 * on the playlist course mode (forward, backward, random, view,...).
768 *****************************************************************************/
769 static playlist_item_t * NextItem( playlist_t *p_playlist )
771 playlist_item_t *p_new = NULL;
772 int i_skip,i_goto,i, i_new, i_count ;
773 playlist_view_t *p_view;
775 vlc_bool_t b_loop = var_GetBool( p_playlist, "loop" );
776 vlc_bool_t b_random = var_GetBool( p_playlist, "random" );
777 vlc_bool_t b_repeat = var_GetBool( p_playlist, "repeat" );
778 vlc_bool_t b_playstop = var_GetBool( p_playlist, "play-and-stop" );
780 #ifdef PLAYLIST_PROFILE
781 /* Calculate time needed */
782 int64_t start = mdate();
785 /* Handle quickly a few special cases */
787 /* No items to play */
788 if( p_playlist->i_size == 0 )
790 msg_Info( p_playlist, "playlist is empty" );
793 /* Nothing requested */
794 if( !p_playlist->request.b_request && p_playlist->status.p_item == NULL )
796 msg_Dbg( p_playlist,"nothing requested, starting" );
799 /* Repeat and play/stop */
800 if( !p_playlist->request.b_request && b_repeat == VLC_TRUE )
802 msg_Dbg( p_playlist,"repeating item" );
803 return p_playlist->status.p_item;
806 if( !p_playlist->request.b_request && b_playstop == VLC_TRUE )
808 msg_Dbg( p_playlist,"stopping (play and stop)");
812 if( !p_playlist->request.b_request && p_playlist->status.p_item &&
813 !( p_playlist->status.p_item->i_flags & PLAYLIST_SKIP_FLAG ) )
815 msg_Dbg( p_playlist, "no-skip mode, stopping") ;
819 /* TODO: improve this (only use current node) */
820 /* TODO: use the "shuffled view" internally ? */
821 /* Random case. This is an exception: if request, but request is skip +- 1
822 * we don't go to next item but select a new random one. */
823 if( b_random && (!p_playlist->request.b_request ||
824 p_playlist->request.i_skip == 1 || p_playlist->request.i_skip == -1 ) )
826 srand( (unsigned int)mdate() );
828 for( i_count = 0; i_count < p_playlist->i_size - 1 ; i_count ++ )
831 (int)((float)p_playlist->i_size * rand() / (RAND_MAX+1.0));
832 /* Check if the item has not already been played */
833 if( p_playlist->pp_items[i_new]->i_nb_played == 0 )
836 if( i_count == p_playlist->i_size )
838 /* The whole playlist has been played: reset the counters */
841 p_playlist->pp_items[--i_count]->i_nb_played = 0;
848 p_playlist->request.i_skip = 0;
849 p_playlist->request.b_request = VLC_FALSE;
850 return p_playlist->pp_items[i_new];
853 /* Start the real work */
854 if( p_playlist->request.b_request )
856 #ifdef PLAYLIST_DEBUG
857 msg_Dbg( p_playlist,"processing request" );
859 /* We are not playing from a view */
860 if( p_playlist->request.i_view == -1 )
862 #ifdef PLAYLIST_DEBUG
863 msg_Dbg( p_playlist, "non-view mode request");
865 /* Directly select the item, just like now */
866 i_skip = p_playlist->request.i_skip;
867 i_goto = p_playlist->request.i_goto;
869 if( p_playlist->i_index == -1 ) p_playlist->i_index = 0;
870 p_new = p_playlist->pp_items[p_playlist->i_index];
872 if( i_goto >= 0 && i_goto < p_playlist->i_size )
874 p_playlist->i_index = i_goto;
875 p_new = p_playlist->pp_items[p_playlist->i_index];
876 p_playlist->request.i_goto = -1;
881 if( p_playlist->i_index + i_skip < p_playlist->i_size &&
882 p_playlist->i_index + i_skip >= 0 )
884 p_playlist->i_index += i_skip;
885 p_new = p_playlist->pp_items[p_playlist->i_index];
887 p_playlist->request.i_skip = 0;
892 #ifdef PLAYLIST_DEBUG
893 msg_Dbg( p_playlist, "view mode request" );
895 p_new = p_playlist->request.p_item;
896 i_skip = p_playlist->request.i_skip;
898 /* If we are asked for a node, take its first item */
899 if( p_playlist->request.p_item == NULL && i_skip == 0 )
904 p_view = playlist_ViewFind( p_playlist,p_playlist->request.i_view );
905 p_playlist->status.p_node = p_playlist->request.p_node;
906 p_playlist->status.i_view = p_playlist->request.i_view;
909 msg_Err( p_playlist, "p_view is NULL and should not! (requested view is %i", p_playlist->request.i_view );
911 else if( i_skip > 0 )
913 for( i = i_skip; i > 0 ; i-- )
915 p_new = playlist_FindNextFromParent( p_playlist,
916 p_playlist->request.i_view,
918 p_playlist->request.p_node,
924 #ifdef PLAYLIST_DEBUG
925 msg_Dbg( p_playlist, "looping" );
927 p_new = playlist_FindNextFromParent( p_playlist,
928 p_playlist->request.i_view,
930 p_playlist->request.p_node,
932 if( p_new == NULL ) break;
941 else if( i_skip < 0 )
943 for( i = i_skip; i < 0 ; i++ )
945 p_new = playlist_FindPrevFromParent( p_playlist,
946 p_playlist->request.i_view,
948 p_playlist->request.p_node,
950 if( p_new == NULL ) break;
955 /* Clear the request */
956 p_playlist->request.b_request = VLC_FALSE;
958 /* "Automatic" item change ( next ) */
961 p_playlist->request_date = 0;
963 if( p_playlist->status.i_view == -1 )
965 #ifdef PLAYLIST_DEBUG
966 msg_Dbg( p_playlist,"no request - old mode" );
968 if( p_playlist->i_index + 1 < p_playlist->i_size )
970 p_playlist->i_index++;
971 p_new = p_playlist->pp_items[p_playlist->i_index];
972 if( !( p_new->i_flags & PLAYLIST_SKIP_FLAG ) )
979 if( b_loop && p_playlist->i_size > 0)
981 p_playlist->i_index = 0;
982 p_new = p_playlist->pp_items[0];
988 /* We are playing with a view */
991 #ifdef PLAYLIST_DEBUG
992 msg_Dbg( p_playlist,"no request - from a view" );
994 playlist_view_t *p_view =
995 playlist_ViewFind( p_playlist,
996 p_playlist->status.i_view );
999 msg_Err( p_playlist, "p_view is NULL and should not! (FIXME)" );
1003 p_new = playlist_FindNextFromParent( p_playlist,
1004 p_playlist->status.i_view,
1006 p_playlist->status.p_node,
1007 p_playlist->status.p_item );
1008 if( p_new == NULL && b_loop )
1010 #ifdef PLAYLIST_DEBUG
1011 msg_Dbg( p_playlist, "looping" );
1013 p_new = playlist_FindNextFromParent( p_playlist,
1014 p_playlist->status.i_view,
1016 p_playlist->status.p_node,
1019 if( p_new != NULL && !(p_new->i_flags & PLAYLIST_SKIP_FLAG) )
1026 if( p_playlist->i_index >= 0 && p_new != NULL &&
1027 p_playlist->pp_items[p_playlist->i_index] != p_new )
1029 p_playlist->i_index = playlist_GetPositionById( p_playlist,
1030 p_new->input.i_id );
1033 #ifdef PLAYLIST_PROFILE
1034 msg_Dbg(p_playlist,"next item found in "I64Fi " us", mdate()-start );
1039 msg_Info( p_playlist, "nothing to play" );
1044 /*****************************************************************************
1045 * PlayItem: start the input thread for an item
1046 ****************************************************************************/
1047 static int PlayItem( playlist_t *p_playlist, playlist_item_t *p_item )
1051 msg_Dbg( p_playlist, "creating new input thread" );
1053 p_item->i_nb_played++;
1054 p_playlist->status.p_item = p_item;
1056 p_playlist->i_index = playlist_GetPositionById( p_playlist,
1057 p_item->input.i_id );
1059 #ifdef PLAYLIST_PROFILE
1060 if( p_playlist->request_date != 0 )
1062 msg_Dbg( p_playlist, "request processed after "I64Fi " us",
1063 mdate() - p_playlist->request_date );
1067 p_playlist->p_input = input_CreateThread( p_playlist, &p_item->input );
1069 var_AddCallback( p_playlist->p_input, "item-change",
1070 ItemChange, p_playlist );
1072 val.i_int = p_item->input.i_id;
1073 /* unlock the playlist to set the var...mmm */
1074 vlc_mutex_unlock( &p_playlist->object_lock);
1075 var_Set( p_playlist, "playlist-current", val);
1076 vlc_mutex_lock( &p_playlist->object_lock);
1082 /* Forward item change from input */
1083 static int ItemChange( vlc_object_t *p_obj, const char *psz_var,
1084 vlc_value_t oldval, vlc_value_t newval, void *param )
1086 playlist_t *p_playlist = (playlist_t *)param;
1088 //p_playlist->b_need_update = VLC_TRUE;
1089 var_SetInteger( p_playlist, "item-change", newval.i_int );
1092 /* FIXME: Make that automatic */
1093 // playlist_ViewUpdate( p_playlist, VIEW_S_AUTHOR );