1 /*****************************************************************************
2 * playlist.c : Playlist management functions
3 *****************************************************************************
4 * Copyright (C) 1999-2004 the VideoLAN team
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
338 p_playlist->status.i_status = PLAYLIST_STOPPED;
339 p_playlist->request.b_request = VLC_TRUE;
342 p_playlist->status.i_status = PLAYLIST_RUNNING;
343 p_playlist->request.i_skip = 0;
344 p_playlist->request.b_request = VLC_TRUE;
345 p_playlist->request.i_view = i_view;
346 p_playlist->request.p_node = p_node;
347 p_playlist->request.p_item = p_item;
349 /* If we select a node, play only it.
350 * If we select an item, continue */
351 if( p_playlist->request.p_item == NULL ||
352 ! p_playlist->request.p_node->i_flags & PLAYLIST_SKIP_FLAG )
354 p_playlist->b_go_next = VLC_FALSE;
358 p_playlist->b_go_next = VLC_TRUE;
363 p_playlist->status.i_status = PLAYLIST_RUNNING;
365 if( p_playlist->p_input )
367 val.i_int = PLAYING_S;
368 var_Set( p_playlist->p_input, "state", val );
372 /* FIXME : needed ? */
373 p_playlist->request.b_request = VLC_TRUE;
374 p_playlist->request.i_view = p_playlist->status.i_view;
375 p_playlist->request.p_node = p_playlist->status.p_node;
376 p_playlist->request.p_item = p_playlist->status.p_item;
377 p_playlist->request.i_skip = 0;
378 p_playlist->request.i_goto = -1;
381 case PLAYLIST_AUTOPLAY:
382 p_playlist->status.i_status = PLAYLIST_RUNNING;
384 p_playlist->request.b_request = VLC_FALSE;
389 if( p_playlist->p_input )
390 var_Get( p_playlist->p_input, "state", &val );
392 if( val.i_int == PAUSE_S )
394 p_playlist->status.i_status = PLAYLIST_RUNNING;
395 if( p_playlist->p_input )
397 val.i_int = PLAYING_S;
398 var_Set( p_playlist->p_input, "state", val );
403 p_playlist->status.i_status = PLAYLIST_PAUSED;
404 if( p_playlist->p_input )
407 var_Set( p_playlist->p_input, "state", val );
413 if( p_playlist->status.i_view > -1 )
415 p_playlist->request.i_view = p_playlist->status.i_view;
416 p_playlist->request.p_node = p_playlist->status.p_node;
417 p_playlist->request.p_item = p_playlist->status.p_item;
419 p_playlist->request.i_skip = (int) va_arg( args, int );
420 p_playlist->request.b_request = VLC_TRUE;
424 p_playlist->status.i_status = PLAYLIST_RUNNING;
425 p_playlist->request.p_node = NULL;
426 p_playlist->request.p_item = NULL;
427 p_playlist->request.i_view = -1;
428 p_playlist->request.i_goto = (int) va_arg( args, int );
429 p_playlist->request.b_request = VLC_TRUE;
433 msg_Err( p_playlist, "unimplemented playlist query" );
441 int playlist_PreparseEnqueue( playlist_t *p_playlist,
442 input_item_t *p_item )
444 vlc_mutex_lock( &p_playlist->p_preparse->object_lock );
445 INSERT_ELEM( p_playlist->p_preparse->pp_waiting,
446 p_playlist->p_preparse->i_waiting,
447 p_playlist->p_preparse->i_waiting,
449 vlc_mutex_unlock( &p_playlist->p_preparse->object_lock );
454 /* Destroy remaining objects */
455 static mtime_t ObjectGarbageCollector( playlist_t *p_playlist, int i_type,
456 mtime_t destroy_date )
460 if( destroy_date > mdate() ) return destroy_date;
462 if( destroy_date == 0 )
464 /* give a little time */
465 return mdate() + I64C(1000000);
469 vlc_mutex_lock( &p_playlist->gc_lock );
470 while( ( p_obj = vlc_object_find( p_playlist, i_type, FIND_CHILD ) ) )
472 if( p_obj->p_parent != (vlc_object_t*)p_playlist )
474 /* only first child (ie unused) */
475 vlc_object_release( p_obj );
478 if( i_type == VLC_OBJECT_VOUT )
480 msg_Dbg( p_playlist, "garbage collector destroying 1 vout" );
481 vlc_object_detach( p_obj );
482 vlc_object_release( p_obj );
483 vout_Destroy( (vout_thread_t *)p_obj );
485 else if( i_type == VLC_OBJECT_SOUT )
487 vlc_object_release( p_obj );
488 sout_DeleteInstance( (sout_instance_t*)p_obj );
491 vlc_mutex_unlock( &p_playlist->gc_lock );
496 /*****************************************************************************
497 * RunThread: main playlist thread
498 *****************************************************************************/
499 static void RunThread ( playlist_t *p_playlist )
502 playlist_item_t *p_item = NULL;
504 mtime_t i_vout_destroyed_date = 0;
505 mtime_t i_sout_destroyed_date = 0;
507 playlist_item_t *p_autodelete_item = NULL;
509 /* Tell above that we're ready */
510 vlc_thread_ready( p_playlist );
512 while( !p_playlist->b_die )
514 vlc_mutex_lock( &p_playlist->object_lock );
516 /* First, check if we have something to do */
517 /* FIXME : this can be called several times */
518 if( p_playlist->request.b_request )
520 #ifdef PLAYLIST_PROFILE
521 msg_Dbg(p_playlist, "beginning processing of request, "
522 I64Fi" us ", mdate() - p_playlist->request_date );
524 /* Stop the existing input */
525 if( p_playlist->p_input )
527 input_StopThread( p_playlist->p_input );
529 /* The code below will start the next input for us */
530 if( p_playlist->status.i_status == PLAYLIST_STOPPED )
532 p_playlist->request.b_request = VLC_FALSE;
536 /* If there is an input, check that it doesn't need to die. */
537 if( p_playlist->p_input )
539 /* This input is dead. Remove it ! */
540 if( p_playlist->p_input->b_dead )
542 input_thread_t *p_input;
544 p_input = p_playlist->p_input;
545 p_playlist->p_input = NULL;
547 /* Release the playlist lock, because we may get stuck
548 * in input_DestroyThread() for some time. */
549 vlc_mutex_unlock( &p_playlist->object_lock );
552 input_DestroyThread( p_input );
554 /* Unlink current input
555 * (_after_ input_DestroyThread for vout garbage collector) */
556 vlc_object_detach( p_input );
559 vlc_object_destroy( p_input );
561 i_vout_destroyed_date = 0;
562 i_sout_destroyed_date = 0;
564 if( p_playlist->status.p_item->i_flags
565 & PLAYLIST_REMOVE_FLAG )
567 playlist_ItemDelete( p_item );
568 p_playlist->status.p_item = NULL;
573 /* This input is dying, let him do */
574 else if( p_playlist->p_input->b_die )
578 /* This input has finished, ask him to die ! */
579 else if( p_playlist->p_input->b_error
580 || p_playlist->p_input->b_eof )
582 /* TODO FIXME XXX TODO FIXME XXX */
583 /* Check for autodeletion */
585 if( p_playlist->status.p_item->i_flags & PLAYLIST_DEL_FLAG )
587 p_autodelete_item = p_playlist->status.p_item;
589 input_StopThread( p_playlist->p_input );
590 /* Select the next playlist item */
591 vlc_mutex_unlock( &p_playlist->object_lock );
594 else if( p_playlist->p_input->i_state != INIT_S )
596 vlc_mutex_unlock( &p_playlist->object_lock );
597 i_vout_destroyed_date =
598 ObjectGarbageCollector( p_playlist, VLC_OBJECT_VOUT,
599 i_vout_destroyed_date );
600 i_sout_destroyed_date =
601 ObjectGarbageCollector( p_playlist, VLC_OBJECT_SOUT,
602 i_sout_destroyed_date );
603 vlc_mutex_lock( &p_playlist->object_lock );
606 else if( p_playlist->status.i_status != PLAYLIST_STOPPED )
608 /* Start another input.
609 * Get the next item to play */
610 p_item = NextItem( p_playlist );
616 if( p_autodelete_item )
618 playlist_Delete( p_playlist,
619 p_autodelete_item->input.i_id );
620 p_autodelete_item = NULL;
622 p_playlist->status.i_status = PLAYLIST_STOPPED;
623 vlc_mutex_unlock( &p_playlist->object_lock );
627 PlayItem( p_playlist, p_item );
629 if( p_autodelete_item )
631 playlist_Delete( p_playlist, p_autodelete_item->input.i_id );
632 p_autodelete_item = NULL;
635 else if( p_playlist->status.i_status == PLAYLIST_STOPPED )
637 /* Collect garbage */
638 vlc_mutex_unlock( &p_playlist->object_lock );
639 i_sout_destroyed_date =
640 ObjectGarbageCollector( p_playlist, VLC_OBJECT_SOUT, mdate() );
641 i_vout_destroyed_date =
642 ObjectGarbageCollector( p_playlist, VLC_OBJECT_VOUT, mdate() );
643 vlc_mutex_lock( &p_playlist->object_lock );
645 vlc_mutex_unlock( &p_playlist->object_lock );
647 msleep( INTF_IDLE_SLEEP / 2 );
649 /* Stop sleeping earlier if we have work */
650 /* TODO : statistics about this */
651 if ( p_playlist->request.b_request &&
652 p_playlist->status.i_status == PLAYLIST_RUNNING )
657 msleep( INTF_IDLE_SLEEP / 2 );
662 /* If there is an input, kill it */
665 vlc_mutex_lock( &p_playlist->object_lock );
667 if( p_playlist->p_input == NULL )
669 vlc_mutex_unlock( &p_playlist->object_lock );
673 if( p_playlist->p_input->b_dead )
675 input_thread_t *p_input;
677 /* Unlink current input */
678 p_input = p_playlist->p_input;
679 p_playlist->p_input = NULL;
680 vlc_mutex_unlock( &p_playlist->object_lock );
683 input_DestroyThread( p_input );
684 /* Unlink current input (_after_ input_DestroyThread for vout
685 * garbage collector)*/
686 vlc_object_detach( p_input );
689 vlc_object_destroy( p_input );
692 else if( p_playlist->p_input->b_die )
694 /* This input is dying, leave him alone */
697 else if( p_playlist->p_input->b_error || p_playlist->p_input->b_eof )
699 input_StopThread( p_playlist->p_input );
700 vlc_mutex_unlock( &p_playlist->object_lock );
705 p_playlist->p_input->b_eof = 1;
708 vlc_mutex_unlock( &p_playlist->object_lock );
710 msleep( INTF_IDLE_SLEEP );
713 /* close all remaining sout */
714 while( ( p_obj = vlc_object_find( p_playlist,
715 VLC_OBJECT_SOUT, FIND_CHILD ) ) )
717 vlc_object_release( p_obj );
718 sout_DeleteInstance( (sout_instance_t*)p_obj );
721 /* close all remaining vout */
722 while( ( p_obj = vlc_object_find( p_playlist,
723 VLC_OBJECT_VOUT, FIND_CHILD ) ) )
725 vlc_object_detach( p_obj );
726 vlc_object_release( p_obj );
727 vout_Destroy( (vout_thread_t *)p_obj );
731 /* Queue for items to preparse */
732 static void RunPreparse ( playlist_preparse_t *p_obj )
734 playlist_t *p_playlist = (playlist_t *)p_obj->p_parent;
737 /* Tell above that we're ready */
738 vlc_thread_ready( p_obj );
740 while( !p_playlist->b_die )
742 vlc_mutex_lock( &p_obj->object_lock );
744 if( p_obj->i_waiting > 0 )
746 input_item_t *p_current = p_obj->pp_waiting[0];
747 REMOVE_ELEM( p_obj->pp_waiting, p_obj->i_waiting, 0 );
748 vlc_mutex_unlock( &p_obj->object_lock );
749 input_Preparse( p_playlist, p_current );
750 var_SetInteger( p_playlist, "item-change", p_current->i_id );
751 vlc_mutex_lock( &p_obj->object_lock );
753 b_sleep = ( p_obj->i_waiting == 0 );
755 vlc_mutex_unlock( &p_obj->object_lock );
757 if( p_obj->i_waiting == 0 )
759 msleep( INTF_IDLE_SLEEP );
764 /*****************************************************************************
766 *****************************************************************************
767 * This function calculates the next playlist item, depending
768 * on the playlist course mode (forward, backward, random, view,...).
769 *****************************************************************************/
770 static playlist_item_t * NextItem( playlist_t *p_playlist )
772 playlist_item_t *p_new = NULL;
773 int i_skip,i_goto,i, i_new, i_count ;
774 playlist_view_t *p_view;
776 vlc_bool_t b_loop = var_GetBool( p_playlist, "loop" );
777 vlc_bool_t b_random = var_GetBool( p_playlist, "random" );
778 vlc_bool_t b_repeat = var_GetBool( p_playlist, "repeat" );
779 vlc_bool_t b_playstop = var_GetBool( p_playlist, "play-and-stop" );
781 #ifdef PLAYLIST_PROFILE
782 /* Calculate time needed */
783 int64_t start = mdate();
786 /* Handle quickly a few special cases */
788 /* No items to play */
789 if( p_playlist->i_size == 0 )
791 msg_Info( p_playlist, "playlist is empty" );
794 /* Nothing requested */
795 if( !p_playlist->request.b_request && p_playlist->status.p_item == NULL )
797 msg_Dbg( p_playlist,"nothing requested, starting" );
800 /* Repeat and play/stop */
801 if( !p_playlist->request.b_request && b_repeat == VLC_TRUE )
803 msg_Dbg( p_playlist,"repeating item" );
804 return p_playlist->status.p_item;
807 if( !p_playlist->request.b_request && b_playstop == VLC_TRUE )
809 msg_Dbg( p_playlist,"stopping (play and stop)");
813 if( !p_playlist->request.b_request && p_playlist->status.p_item &&
814 !( p_playlist->status.p_item->i_flags & PLAYLIST_SKIP_FLAG ) )
816 msg_Dbg( p_playlist, "no-skip mode, stopping") ;
820 /* TODO: improve this (only use current node) */
821 /* TODO: use the "shuffled view" internally ? */
822 /* Random case. This is an exception: if request, but request is skip +- 1
823 * we don't go to next item but select a new random one. */
824 if( b_random && (!p_playlist->request.b_request ||
825 p_playlist->request.i_skip == 1 || p_playlist->request.i_skip == -1 ) )
827 srand( (unsigned int)mdate() );
829 for( i_count = 0; i_count < p_playlist->i_size - 1 ; i_count ++ )
832 (int)((float)p_playlist->i_size * rand() / (RAND_MAX+1.0));
833 /* Check if the item has not already been played */
834 if( p_playlist->pp_items[i_new]->i_nb_played == 0 )
837 if( i_count == p_playlist->i_size )
839 /* The whole playlist has been played: reset the counters */
842 p_playlist->pp_items[--i_count]->i_nb_played = 0;
849 p_playlist->request.i_skip = 0;
850 p_playlist->request.b_request = VLC_FALSE;
851 return p_playlist->pp_items[i_new];
854 /* Start the real work */
855 if( p_playlist->request.b_request )
857 #ifdef PLAYLIST_DEBUG
858 msg_Dbg( p_playlist,"processing request" );
860 /* We are not playing from a view */
861 if( p_playlist->request.i_view == -1 )
863 #ifdef PLAYLIST_DEBUG
864 msg_Dbg( p_playlist, "non-view mode request");
866 /* Directly select the item, just like now */
867 i_skip = p_playlist->request.i_skip;
868 i_goto = p_playlist->request.i_goto;
870 if( p_playlist->i_index < 0 ) p_playlist->i_index = 0;
871 p_new = p_playlist->pp_items[p_playlist->i_index];
873 if( i_goto >= 0 && i_goto < p_playlist->i_size )
875 p_playlist->i_index = i_goto;
876 p_new = p_playlist->pp_items[p_playlist->i_index];
877 p_playlist->request.i_goto = -1;
882 if( p_playlist->i_index + i_skip < p_playlist->i_size &&
883 p_playlist->i_index + i_skip >= 0 )
885 p_playlist->i_index += i_skip;
886 p_new = p_playlist->pp_items[p_playlist->i_index];
888 p_playlist->request.i_skip = 0;
893 #ifdef PLAYLIST_DEBUG
894 msg_Dbg( p_playlist, "view mode request" );
896 p_new = p_playlist->request.p_item;
897 i_skip = p_playlist->request.i_skip;
899 /* If we are asked for a node, take its first item */
900 if( p_playlist->request.p_item == NULL && i_skip == 0 )
905 p_view = playlist_ViewFind( p_playlist,p_playlist->request.i_view );
906 p_playlist->status.p_node = p_playlist->request.p_node;
907 p_playlist->status.i_view = p_playlist->request.i_view;
910 msg_Err( p_playlist, "p_view is NULL and should not! (requested view is %i", p_playlist->request.i_view );
912 else if( i_skip > 0 )
914 for( i = i_skip; i > 0 ; i-- )
916 p_new = playlist_FindNextFromParent( p_playlist,
917 p_playlist->request.i_view,
919 p_playlist->request.p_node,
925 #ifdef PLAYLIST_DEBUG
926 msg_Dbg( p_playlist, "looping" );
928 p_new = playlist_FindNextFromParent( p_playlist,
929 p_playlist->request.i_view,
931 p_playlist->request.p_node,
933 if( p_new == NULL ) break;
942 else if( i_skip < 0 )
944 for( i = i_skip; i < 0 ; i++ )
946 p_new = playlist_FindPrevFromParent( p_playlist,
947 p_playlist->request.i_view,
949 p_playlist->request.p_node,
951 if( p_new == NULL ) break;
956 /* Clear the request */
957 p_playlist->request.b_request = VLC_FALSE;
959 /* "Automatic" item change ( next ) */
962 p_playlist->request_date = 0;
964 if( p_playlist->status.i_view == -1 )
966 #ifdef PLAYLIST_DEBUG
967 msg_Dbg( p_playlist,"no request - old mode" );
969 if( p_playlist->i_index + 1 < p_playlist->i_size )
971 p_playlist->i_index++;
972 p_new = p_playlist->pp_items[p_playlist->i_index];
973 if( !( p_new->i_flags & PLAYLIST_SKIP_FLAG ) )
980 if( b_loop && p_playlist->i_size > 0)
982 p_playlist->i_index = 0;
983 p_new = p_playlist->pp_items[0];
989 /* We are playing with a view */
992 #ifdef PLAYLIST_DEBUG
993 msg_Dbg( p_playlist,"no request - from a view" );
995 playlist_view_t *p_view =
996 playlist_ViewFind( p_playlist,
997 p_playlist->status.i_view );
1000 msg_Err( p_playlist, "p_view is NULL and should not! (FIXME)" );
1004 p_new = playlist_FindNextFromParent( p_playlist,
1005 p_playlist->status.i_view,
1007 p_playlist->status.p_node,
1008 p_playlist->status.p_item );
1009 if( p_new == NULL && b_loop )
1011 #ifdef PLAYLIST_DEBUG
1012 msg_Dbg( p_playlist, "looping" );
1014 p_new = playlist_FindNextFromParent( p_playlist,
1015 p_playlist->status.i_view,
1017 p_playlist->status.p_node,
1020 if( p_new != NULL && !(p_new->i_flags & PLAYLIST_SKIP_FLAG) )
1027 if( p_playlist->i_index >= 0 && p_new != NULL &&
1028 p_playlist->pp_items[p_playlist->i_index] != p_new )
1030 p_playlist->i_index = playlist_GetPositionById( p_playlist,
1031 p_new->input.i_id );
1034 #ifdef PLAYLIST_PROFILE
1035 msg_Dbg(p_playlist,"next item found in "I64Fi " us", mdate()-start );
1040 msg_Info( p_playlist, "nothing to play" );
1045 /*****************************************************************************
1046 * PlayItem: start the input thread for an item
1047 ****************************************************************************/
1048 static int PlayItem( playlist_t *p_playlist, playlist_item_t *p_item )
1052 msg_Dbg( p_playlist, "creating new input thread" );
1054 p_item->i_nb_played++;
1055 p_playlist->status.p_item = p_item;
1057 p_playlist->i_index = playlist_GetPositionById( p_playlist,
1058 p_item->input.i_id );
1060 #ifdef PLAYLIST_PROFILE
1061 if( p_playlist->request_date != 0 )
1063 msg_Dbg( p_playlist, "request processed after "I64Fi " us",
1064 mdate() - p_playlist->request_date );
1068 p_playlist->p_input = input_CreateThread( p_playlist, &p_item->input );
1070 var_AddCallback( p_playlist->p_input, "item-change",
1071 ItemChange, p_playlist );
1073 val.i_int = p_item->input.i_id;
1074 /* unlock the playlist to set the var...mmm */
1075 vlc_mutex_unlock( &p_playlist->object_lock);
1076 var_Set( p_playlist, "playlist-current", val);
1077 vlc_mutex_lock( &p_playlist->object_lock);
1083 /* Forward item change from input */
1084 static int ItemChange( vlc_object_t *p_obj, const char *psz_var,
1085 vlc_value_t oldval, vlc_value_t newval, void *param )
1087 playlist_t *p_playlist = (playlist_t *)param;
1089 //p_playlist->b_need_update = VLC_TRUE;
1090 var_SetInteger( p_playlist, "item-change", newval.i_int );
1093 /* FIXME: Make that automatic */
1094 // playlist_ViewUpdate( p_playlist, VIEW_S_AUTHOR );