-/*****************************************************************************
- * playlist.c : Playlist management functions
- *****************************************************************************
- * Copyright (C) 1999-2004 the VideoLAN team
- * $Id$
- *
- * Authors: Samuel Hocevar <sam@zoy.org>
- * Clément Stenac <zorglub@videolan.org>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
- *****************************************************************************/
-#include <stdlib.h> /* free(), strtol() */
-#include <stdio.h> /* sprintf() */
-#include <string.h> /* strerror() */
-
-#include <vlc/vlc.h>
-#include <vlc/vout.h>
-#include <vlc/sout.h>
-#include <vlc/input.h>
-
-#include "vlc_playlist.h"
-
-#include "vlc_interaction.h"
-
-#define TITLE_CATEGORY N_( "By category" )
-#define TITLE_SIMPLE N_( "Manually added" )
-#define TITLE_ALL N_( "All items, unsorted" )
-
-#undef PLAYLIST_PROFILE
-#undef PLAYLIST_DEBUG
-
-/*****************************************************************************
- * Local prototypes
- *****************************************************************************/
-static void RunThread ( playlist_t * );
-static void RunPreparse( playlist_preparse_t * );
-static playlist_item_t * NextItem ( playlist_t * );
-static int PlayItem ( playlist_t *, playlist_item_t * );
-
-int playlist_vaControl( playlist_t * p_playlist, int i_query, va_list args );
-
-void playlist_PreparseEnqueueItemSub( playlist_t *, playlist_item_t * );
-
-playlist_item_t *playlist_RecursiveFindLast(playlist_t *p_playlist,
- playlist_item_t *p_node );
-
-/*****************************************************************************
- * Helper Function for NextItem
- *****************************************************************************/
-
-playlist_item_t *playlist_RecursiveFindLast(playlist_t *p_playlist,
- playlist_item_t *p_node )
-{
- int i;
- playlist_item_t *p_item;
- for ( i = p_node->i_children - 1; i >= 0; i-- )
- {
- if( p_node->pp_children[i]->i_children == -1 )
- return p_node->pp_children[i];
- else if(p_node->pp_children[i]->i_children > 0)
- {
- p_item = playlist_RecursiveFindLast( p_playlist,
- p_node->pp_children[i] );
- if ( p_item != NULL )
- return p_item;
- }
- else if( i == 0 )
- return NULL;
- }
- return NULL;
-}
-
-
-/**
- * Create playlist
- *
- * Create a playlist structure.
- * \param p_parent the vlc object that is to be the parent of this playlist
- * \return a pointer to the created playlist, or NULL on error
- */
-playlist_t * __playlist_Create ( vlc_object_t *p_parent )
-{
- playlist_t *p_playlist;
- playlist_view_t *p_view;
- vlc_value_t val;
-
- /* Allocate structure */
- p_playlist = vlc_object_create( p_parent, VLC_OBJECT_PLAYLIST );
- if( !p_playlist )
- {
- msg_Err( p_parent, "out of memory" );
- return NULL;
- }
-
- /* These variables control updates */
- var_Create( p_playlist, "intf-change", VLC_VAR_BOOL );
- val.b_bool = VLC_TRUE;
- var_Set( p_playlist, "intf-change", val );
-
- var_Create( p_playlist, "item-change", VLC_VAR_INTEGER );
- val.i_int = -1;
- var_Set( p_playlist, "item-change", val );
-
- var_Create( p_playlist, "item-deleted", VLC_VAR_INTEGER );
- val.i_int = -1;
- var_Set( p_playlist, "item-deleted", val );
-
- var_Create( p_playlist, "item-append", VLC_VAR_ADDRESS );
-
- var_Create( p_playlist, "playlist-current", VLC_VAR_INTEGER );
- val.i_int = -1;
- var_Set( p_playlist, "playlist-current", val );
-
- var_Create( p_playlist, "intf-popupmenu", VLC_VAR_BOOL );
-
- var_Create( p_playlist, "intf-show", VLC_VAR_BOOL );
- val.b_bool = VLC_TRUE;
- var_Set( p_playlist, "intf-show", val );
-
-
- /* Variables to control playback */
- var_CreateGetBool( p_playlist, "play-and-stop" );
- var_CreateGetBool( p_playlist, "random" );
- var_CreateGetBool( p_playlist, "repeat" );
- var_CreateGetBool( p_playlist, "loop" );
-
- /* Initialise data structures */
- vlc_mutex_init( p_playlist, &p_playlist->gc_lock );
- p_playlist->i_last_id = 0;
- p_playlist->b_go_next = VLC_TRUE;
- p_playlist->p_input = NULL;
-
- p_playlist->request_date = 0;
-
- p_playlist->i_views = 0;
- p_playlist->pp_views = NULL;
-
- p_playlist->i_index = -1;
- p_playlist->i_size = 0;
- p_playlist->pp_items = NULL;
- p_playlist->i_all_size = 0;
- p_playlist->pp_all_items = 0;
-
- playlist_ViewInsert( p_playlist, VIEW_CATEGORY, TITLE_CATEGORY );
- playlist_ViewInsert( p_playlist, VIEW_ALL, TITLE_ALL );
-
- p_view = playlist_ViewFind( p_playlist, VIEW_CATEGORY );
-
- p_playlist->p_general =
- playlist_NodeCreate( p_playlist, VIEW_CATEGORY,
- _( "General" ), p_view->p_root );
- p_playlist->p_general->i_flags |= PLAYLIST_RO_FLAG;
-
- /* Set startup status
- * We set to simple view on startup for interfaces that don't do
- * anything */
- p_view = playlist_ViewFind( p_playlist, VIEW_CATEGORY );
- p_playlist->status.i_view = VIEW_CATEGORY;
- p_playlist->status.p_item = NULL;
- p_playlist->status.p_node = p_view->p_root;
- p_playlist->request.b_request = VLC_FALSE;
- p_playlist->status.i_status = PLAYLIST_STOPPED;
-
- p_playlist->i_sort = SORT_ID;
- p_playlist->i_order = ORDER_NORMAL;
-
- p_playlist->p_stats = (global_stats_t *)malloc( sizeof( global_stats_t ) );
- vlc_mutex_init( p_playlist, &p_playlist->p_stats->lock );
-
- /* Finally, launch the thread ! */
- if( vlc_thread_create( p_playlist, "playlist", RunThread,
- VLC_THREAD_PRIORITY_LOW, VLC_TRUE ) )
- {
- msg_Err( p_playlist, "cannot spawn playlist thread" );
- vlc_object_destroy( p_playlist );
- return NULL;
- }
-
- /* Preparsing stuff */
- p_playlist->p_preparse = vlc_object_create( p_playlist,
- sizeof( playlist_preparse_t ) );
- if( !p_playlist->p_preparse )
- {
- msg_Err( p_playlist, "unable to create preparser" );
- vlc_object_destroy( p_playlist );
- return NULL;
- }
-
- // Preparse
- p_playlist->p_preparse->i_waiting = 0;
- p_playlist->p_preparse->pi_waiting = NULL;
-
- // Interaction
- p_playlist->p_interaction = NULL;
-
- vlc_object_attach( p_playlist->p_preparse, p_playlist );
- if( vlc_thread_create( p_playlist->p_preparse, "preparser",
- RunPreparse, VLC_THREAD_PRIORITY_LOW, VLC_TRUE ) )
- {
- msg_Err( p_playlist, "cannot spawn preparse thread" );
- vlc_object_detach( p_playlist->p_preparse );
- vlc_object_destroy( p_playlist->p_preparse );
- return NULL;
- }
-
- /* The object has been initialized, now attach it */
- vlc_object_attach( p_playlist, p_parent );
-
- return p_playlist;
-}
-
-/**
- * Destroy the playlist.
- *
- * Delete all items in the playlist and free the playlist structure.
- * \param p_playlist the playlist structure to destroy
- * \return VLC_SUCCESS or an error
- */
-int playlist_Destroy( playlist_t * p_playlist )
-{
- int i;
- p_playlist->b_die = 1;
-
- while( p_playlist->i_sds )
- {
- playlist_ServicesDiscoveryRemove( p_playlist,
- p_playlist->pp_sds[0]->psz_module );
- }
-
- if( p_playlist->p_interaction )
- {
- intf_InteractionDestroy( p_playlist->p_interaction );
- }
-
- vlc_thread_join( p_playlist->p_preparse );
- vlc_thread_join( p_playlist );
-
- vlc_object_detach( p_playlist->p_preparse );
-
- var_Destroy( p_playlist, "intf-change" );
- var_Destroy( p_playlist, "item-change" );
- var_Destroy( p_playlist, "playlist-current" );
- var_Destroy( p_playlist, "intf-popmenu" );
- var_Destroy( p_playlist, "intf-show" );
- var_Destroy( p_playlist, "play-and-stop" );
- var_Destroy( p_playlist, "random" );
- var_Destroy( p_playlist, "repeat" );
- var_Destroy( p_playlist, "loop" );
-
- playlist_Clear( p_playlist );
-
- for( i = p_playlist->i_views - 1; i >= 0 ; i-- )
- {
- playlist_view_t *p_view = p_playlist->pp_views[i];
- if( p_view->psz_name )
- free( p_view->psz_name );
- playlist_ItemDelete( p_view->p_root );
- REMOVE_ELEM( p_playlist->pp_views, p_playlist->i_views, i );
- free( p_view );
- }
-
- if( p_playlist->p_stats )
- free( p_playlist->p_stats );
-
- vlc_mutex_destroy( &p_playlist->gc_lock );
- vlc_object_destroy( p_playlist->p_preparse );
- vlc_object_destroy( p_playlist );
-
- return VLC_SUCCESS;
-}
-
-
-/**
- * Do a playlist action.
- *
- * If there is something in the playlist then you can do playlist actions.
- *
- * Playlist lock must not be taken when calling this function
- *
- * \param p_playlist the playlist to do the command on
- * \param i_query the command to do
- * \param variable number of arguments
- * \return VLC_SUCCESS or an error
- */
-int playlist_LockControl( playlist_t * p_playlist, int i_query, ... )
-{
- va_list args;
- int i_result;
- va_start( args, i_query );
- vlc_mutex_lock( &p_playlist->object_lock );
- i_result = playlist_vaControl( p_playlist, i_query, args );
- va_end( args );
- vlc_mutex_unlock( &p_playlist->object_lock );
- return i_result;
-}
-
-/**
- * Do a playlist action.
- *
- * If there is something in the playlist then you can do playlist actions.
- *
- * Playlist lock must be taken when calling this function
- *
- * \param p_playlist the playlist to do the command on
- * \param i_query the command to do
- * \param variable number of arguments
- * \return VLC_SUCCESS or an error
- */
-int playlist_Control( playlist_t * p_playlist, int i_query, ... )
-{
- va_list args;
- int i_result;
- va_start( args, i_query );
- i_result = playlist_vaControl( p_playlist, i_query, args );
- va_end( args );
-
- return i_result;
-}
-
-int playlist_vaControl( playlist_t * p_playlist, int i_query, va_list args )
-{
- playlist_view_t *p_view;
- playlist_item_t *p_item, *p_node;
- int i_view;
- vlc_value_t val;
-
-#ifdef PLAYLIST_PROFILE
- p_playlist->request_date = mdate();
-#endif
-
- if( p_playlist->i_size <= 0 )
- {
- return VLC_EGENERIC;
- }
-
- switch( i_query )
- {
- case PLAYLIST_STOP:
- p_playlist->status.i_status = PLAYLIST_STOPPED;
- p_playlist->request.b_request = VLC_TRUE;
- p_playlist->request.p_item = NULL;
- break;
-
- case PLAYLIST_ITEMPLAY:
- p_item = (playlist_item_t *)va_arg( args, playlist_item_t * );
- if ( p_item == NULL || p_item->input.psz_uri == NULL )
- return VLC_EGENERIC;
- p_playlist->status.i_status = PLAYLIST_RUNNING;
- p_playlist->request.i_skip = 0;
- p_playlist->request.b_request = VLC_TRUE;
- p_playlist->request.p_item = p_item;
- p_playlist->request.i_view = p_playlist->status.i_view;
- p_view = playlist_ViewFind( p_playlist, p_playlist->status.i_view );
- if( p_view )
- {
- p_playlist->request.p_node = p_view->p_root;
- }
- else
- {
- p_playlist->request.p_node = NULL;
- }
- break;
-
- case PLAYLIST_VIEWPLAY:
- i_view = (int)va_arg( args,int );
- p_node = (playlist_item_t *)va_arg( args, playlist_item_t * );
- p_item = (playlist_item_t *)va_arg( args, playlist_item_t * );
- if ( p_node == NULL ) //|| (p_item != NULL && p_item->input.psz_uri
- // == NULL ))
- {
- p_playlist->status.i_status = PLAYLIST_STOPPED;
- p_playlist->request.b_request = VLC_TRUE;
- return VLC_SUCCESS;
- }
- p_playlist->status.i_status = PLAYLIST_RUNNING;
- p_playlist->request.i_skip = 0;
- p_playlist->request.b_request = VLC_TRUE;
- p_playlist->request.i_view = i_view;
- p_playlist->request.p_node = p_node;
- p_playlist->request.p_item = p_item;
-
- /* Don't go further if the node doesn't want to */
- if( ! p_playlist->request.p_node->i_flags & PLAYLIST_SKIP_FLAG )
- {
- p_playlist->b_go_next = VLC_FALSE;
- }
- else
- {
- p_playlist->b_go_next = VLC_TRUE;
- }
- break;
-
- case PLAYLIST_PLAY:
- p_playlist->status.i_status = PLAYLIST_RUNNING;
-
- if( p_playlist->p_input )
- {
- val.i_int = PLAYING_S;
- var_Set( p_playlist->p_input, "state", val );
- break;
- }
-
- /* FIXME : needed ? */
- p_playlist->request.b_request = VLC_TRUE;
- p_playlist->request.i_view = p_playlist->status.i_view;
- p_playlist->request.p_node = p_playlist->status.p_node;
- p_playlist->request.p_item = p_playlist->status.p_item;
- p_playlist->request.i_skip = 0;
- p_playlist->request.i_goto = -1;
- break;
-
- case PLAYLIST_AUTOPLAY:
- p_playlist->status.i_status = PLAYLIST_RUNNING;
- p_playlist->status.p_node = p_playlist->p_general;
-
- p_playlist->request.b_request = VLC_FALSE;
- break;
-
- case PLAYLIST_PAUSE:
- val.i_int = 0;
- if( p_playlist->p_input )
- var_Get( p_playlist->p_input, "state", &val );
-
- if( val.i_int == PAUSE_S )
- {
- p_playlist->status.i_status = PLAYLIST_RUNNING;
- if( p_playlist->p_input )
- {
- val.i_int = PLAYING_S;
- var_Set( p_playlist->p_input, "state", val );
- }
- }
- else
- {
- p_playlist->status.i_status = PLAYLIST_PAUSED;
- if( p_playlist->p_input )
- {
- val.i_int = PAUSE_S;
- var_Set( p_playlist->p_input, "state", val );
- }
- }
- break;
-
- case PLAYLIST_SKIP:
- p_playlist->request.i_view = p_playlist->status.i_view;
- if( p_playlist->status.i_view > -1 )
- {
- p_playlist->request.p_node = p_playlist->status.p_node;
- p_playlist->request.p_item = p_playlist->status.p_item;
- }
- else
- {
- p_playlist->request.p_node = NULL;
- p_playlist->request.p_item = NULL;
- }
- p_playlist->request.i_skip = (int) va_arg( args, int );
- p_playlist->request.b_request = VLC_TRUE;
- break;
-
- case PLAYLIST_GOTO:
- p_playlist->status.i_status = PLAYLIST_RUNNING;
- p_playlist->request.p_node = NULL;
- p_playlist->request.p_item = NULL;
- p_playlist->request.i_view = -1;
- p_playlist->request.i_goto = (int) va_arg( args, int );
- p_playlist->request.b_request = VLC_TRUE;
- break;
-
- default:
- msg_Err( p_playlist, "unknown playlist query" );
- return VLC_EBADVAR;
- break;
- }
-
- return VLC_SUCCESS;
-}
-
-int playlist_PreparseEnqueue( playlist_t *p_playlist,
- input_item_t *p_item )
-{
- vlc_mutex_lock( &p_playlist->p_preparse->object_lock );
- INSERT_ELEM( p_playlist->p_preparse->pi_waiting,
- p_playlist->p_preparse->i_waiting,
- p_playlist->p_preparse->i_waiting,
- p_item->i_id );
- vlc_mutex_unlock( &p_playlist->p_preparse->object_lock );
- return VLC_SUCCESS;
-}
-
-/* Should only be called if playlist and preparser are locked */
-void playlist_PreparseEnqueueItemSub( playlist_t *p_playlist,
- playlist_item_t *p_item )
-{
- int i;
- if( p_item->i_children == -1 )
- {
- INSERT_ELEM( p_playlist->p_preparse->pi_waiting,
- p_playlist->p_preparse->i_waiting,
- p_playlist->p_preparse->i_waiting,
- (p_item->input.i_id) );
- }
- else
- {
- for( i = 0; i < p_item->i_children; i++)
- {
- playlist_PreparseEnqueueItemSub( p_playlist,
- p_item->pp_children[i] );
- }
- }
-}
-
-int playlist_PreparseEnqueueItem( playlist_t *p_playlist,
- playlist_item_t *p_item )
-{
- vlc_mutex_lock( &p_playlist->object_lock );
- vlc_mutex_lock( &p_playlist->p_preparse->object_lock );
- playlist_PreparseEnqueueItemSub( p_playlist, p_item );
- vlc_mutex_unlock( &p_playlist->p_preparse->object_lock );
- vlc_mutex_unlock( &p_playlist->object_lock );
- return VLC_SUCCESS;
-}
-
-
-/* Destroy remaining objects */
-static mtime_t ObjectGarbageCollector( playlist_t *p_playlist, int i_type,
- mtime_t destroy_date )
-{
- vlc_object_t *p_obj;
-
- if( destroy_date > mdate() ) return destroy_date;
-
- if( destroy_date == 0 )
- {
- /* give a little time */
- return mdate() + I64C(1000000);
- }
- else
- {
- vlc_mutex_lock( &p_playlist->gc_lock );
- while( ( p_obj = vlc_object_find( p_playlist, i_type, FIND_CHILD ) ) )
- {
- if( p_obj->p_parent != (vlc_object_t*)p_playlist )
- {
- /* only first child (ie unused) */
- vlc_object_release( p_obj );
- break;
- }
- if( i_type == VLC_OBJECT_VOUT )
- {
- msg_Dbg( p_playlist, "garbage collector destroys 1 vout" );
- vlc_object_detach( p_obj );
- vlc_object_release( p_obj );
- vout_Destroy( (vout_thread_t *)p_obj );
- }
- else if( i_type == VLC_OBJECT_SOUT )
- {
- vlc_object_release( p_obj );
- sout_DeleteInstance( (sout_instance_t*)p_obj );
- }
- }
- vlc_mutex_unlock( &p_playlist->gc_lock );
- return 0;
- }
-}
-
-/*****************************************************************************
- * RunThread: main playlist thread
- *****************************************************************************/
-static void RunThread ( playlist_t *p_playlist )
-{
- vlc_object_t *p_obj;
- playlist_item_t *p_item = NULL;
-
- mtime_t i_vout_destroyed_date = 0;
- mtime_t i_sout_destroyed_date = 0;
-
- int i_loops = 0;
-
- playlist_item_t *p_autodelete_item = NULL;
-
- /* Tell above that we're ready */
- vlc_thread_ready( p_playlist );
-
- while( !p_playlist->b_die )
- {
- i_loops++;
- if( p_playlist->p_interaction )
- {
- stats_TimerStart( p_playlist, "Interaction thread",
- STATS_TIMER_INTERACTION );
- intf_InteractionManage( p_playlist );
- stats_TimerStop( p_playlist, STATS_TIMER_INTERACTION );
- }
-
- if( i_loops %5 == 0 && p_playlist->p_stats )
- {
- stats_ComputeGlobalStats( p_playlist, p_playlist->p_stats );
- }
-
- vlc_mutex_lock( &p_playlist->object_lock );
-
- /* First, check if we have something to do */
- /* FIXME : this can be called several times */
- if( p_playlist->request.b_request )
- {
-#ifdef PLAYLIST_PROFILE
- msg_Dbg(p_playlist, "beginning processing of request, "
- I64Fi" us ", mdate() - p_playlist->request_date );
-#endif
- /* Stop the existing input */
- if( p_playlist->p_input )
- {
- input_StopThread( p_playlist->p_input );
- }
- /* The code below will start the next input for us */
- if( p_playlist->status.i_status == PLAYLIST_STOPPED )
- {
- p_playlist->request.b_request = VLC_FALSE;
- }
- }
-
- /* If there is an input, check that it doesn't need to die. */
- if( p_playlist->p_input )
- {
- if( i_loops % 5 == 0 )
- {
- stats_ComputeInputStats( p_playlist->p_input,
- p_playlist->p_input->input.p_item->p_stats );
-// stats_DumpInputStats(
-// p_playlist->p_input->input.p_item->p_stats );
- }
-
- /* This input is dead. Remove it ! */
- if( p_playlist->p_input->b_dead )
- {
- input_thread_t *p_input;
-
- p_input = p_playlist->p_input;
- p_playlist->p_input = NULL;
-
- /* Release the playlist lock, because we may get stuck
- * in input_DestroyThread() for some time. */
- vlc_mutex_unlock( &p_playlist->object_lock );
-
- /* Destroy input */
- input_DestroyThread( p_input );
-
- /* Unlink current input
- * (_after_ input_DestroyThread for vout garbage collector) */
- vlc_object_detach( p_input );
-
- /* Destroy object */
- vlc_object_destroy( p_input );
-
- i_vout_destroyed_date = 0;
- i_sout_destroyed_date = 0;
-
- if( p_playlist->status.p_item->i_flags
- & PLAYLIST_REMOVE_FLAG )
- {
- playlist_ItemDelete( p_item );
- p_playlist->status.p_item = NULL;
- }
-
- continue;
- }
- /* This input is dying, let it do */
- else if( p_playlist->p_input->b_die )
- {
- ;
- }
- /* This input has finished, ask it to die ! */
- else if( p_playlist->p_input->b_error
- || p_playlist->p_input->b_eof )
- {
- /* TODO FIXME XXX TODO FIXME XXX */
- /* Check for autodeletion */
-
- if( p_playlist->status.p_item->i_flags & PLAYLIST_DEL_FLAG )
- {
- p_autodelete_item = p_playlist->status.p_item;
- }
- input_StopThread( p_playlist->p_input );
- /* Select the next playlist item */
- vlc_mutex_unlock( &p_playlist->object_lock );
- continue;
- }
- else if( p_playlist->p_input->i_state != INIT_S )
- {
- vlc_mutex_unlock( &p_playlist->object_lock );
- i_vout_destroyed_date =
- ObjectGarbageCollector( p_playlist, VLC_OBJECT_VOUT,
- i_vout_destroyed_date );
- i_sout_destroyed_date =
- ObjectGarbageCollector( p_playlist, VLC_OBJECT_SOUT,
- i_sout_destroyed_date );
- vlc_mutex_lock( &p_playlist->object_lock );
- }
- }
- else if( p_playlist->status.i_status != PLAYLIST_STOPPED )
- {
- /* Start another input.
- * Get the next item to play */
- stats_TimerStart( p_playlist, "Playlist walk",
- STATS_TIMER_PLAYLIST_WALK );
- p_item = NextItem( p_playlist );
- stats_TimerStop( p_playlist, STATS_TIMER_PLAYLIST_WALK );
-
- /* We must stop */
- if( p_item == NULL )
- {
- if( p_autodelete_item )
- {
- playlist_Delete( p_playlist,
- p_autodelete_item->input.i_id );
- p_autodelete_item = NULL;
- }
- p_playlist->status.i_status = PLAYLIST_STOPPED;
- vlc_mutex_unlock( &p_playlist->object_lock );
- continue;
- }
-
- PlayItem( p_playlist, p_item );
-
- if( p_autodelete_item )
- {
- playlist_Delete( p_playlist, p_autodelete_item->input.i_id );
- p_autodelete_item = NULL;
- }
- }
- else if( p_playlist->status.i_status == PLAYLIST_STOPPED )
- {
- if( p_item && p_playlist->status.p_item &&
- p_playlist->status.p_item->i_flags & PLAYLIST_REMOVE_FLAG )
- {
- playlist_ItemDelete( p_item );
- p_playlist->status.p_item = NULL;
- }
-
- /* Collect garbage */
- vlc_mutex_unlock( &p_playlist->object_lock );
- i_sout_destroyed_date =
- ObjectGarbageCollector( p_playlist, VLC_OBJECT_SOUT, mdate() );
- i_vout_destroyed_date =
- ObjectGarbageCollector( p_playlist, VLC_OBJECT_VOUT, mdate() );
- vlc_mutex_lock( &p_playlist->object_lock );
- }
- vlc_mutex_unlock( &p_playlist->object_lock );
-
- msleep( INTF_IDLE_SLEEP / 2 );
-
- /* Stop sleeping earlier if we have work */
- /* TODO : statistics about this */
- if ( p_playlist->request.b_request &&
- p_playlist->status.i_status == PLAYLIST_RUNNING )
- {
- continue;
- }
-
- msleep( INTF_IDLE_SLEEP / 2 );
- }
-
- /* Playlist dying */
-
- /* If there is an input, kill it */
- while( 1 )
- {
- vlc_mutex_lock( &p_playlist->object_lock );
-
- if( p_playlist->p_input == NULL )
- {
- vlc_mutex_unlock( &p_playlist->object_lock );
- break;
- }
-
- if( p_playlist->p_input->b_dead )
- {
- input_thread_t *p_input;
-
- /* Unlink current input */
- p_input = p_playlist->p_input;
- p_playlist->p_input = NULL;
- vlc_mutex_unlock( &p_playlist->object_lock );
-
- /* Destroy input */
- input_DestroyThread( p_input );
- /* Unlink current input (_after_ input_DestroyThread for vout
- * garbage collector)*/
- vlc_object_detach( p_input );
-
- /* Destroy object */
- vlc_object_destroy( p_input );
- continue;
- }
- else if( p_playlist->p_input->b_die )
- {
- /* This input is dying, leave it alone */
- ;
- }
- else if( p_playlist->p_input->b_error || p_playlist->p_input->b_eof )
- {
- input_StopThread( p_playlist->p_input );
- vlc_mutex_unlock( &p_playlist->object_lock );
- continue;
- }
- else
- {
- p_playlist->p_input->b_eof = 1;
- }
-
- vlc_mutex_unlock( &p_playlist->object_lock );
-
- msleep( INTF_IDLE_SLEEP );
- }
-
- /* close all remaining sout */
- while( ( p_obj = vlc_object_find( p_playlist,
- VLC_OBJECT_SOUT, FIND_CHILD ) ) )
- {
- vlc_object_release( p_obj );
- sout_DeleteInstance( (sout_instance_t*)p_obj );
- }
-
- /* close all remaining vout */
- while( ( p_obj = vlc_object_find( p_playlist,
- VLC_OBJECT_VOUT, FIND_CHILD ) ) )
- {
- vlc_object_detach( p_obj );
- vlc_object_release( p_obj );
- vout_Destroy( (vout_thread_t *)p_obj );
- }
-}
-
-/* Queue for items to preparse */
-static void RunPreparse ( playlist_preparse_t *p_obj )
-{
- playlist_t *p_playlist = (playlist_t *)p_obj->p_parent;
- vlc_bool_t b_sleep;
-
- /* Tell above that we're ready */
- vlc_thread_ready( p_obj );
-
- while( !p_playlist->b_die )
- {
- vlc_mutex_lock( &p_obj->object_lock );
-
- if( p_obj->i_waiting > 0 )
- {
- int i_current_id = p_obj->pi_waiting[0];
- playlist_item_t *p_current;
- REMOVE_ELEM( p_obj->pi_waiting, p_obj->i_waiting, 0 );
- vlc_mutex_unlock( &p_obj->object_lock );
- vlc_mutex_lock( &p_playlist->object_lock );
-
- p_current = playlist_ItemGetById( p_playlist, i_current_id );
- if( p_current )
- {
- vlc_bool_t b_preparsed = VLC_FALSE;
- if( strncmp( p_current->input.psz_uri, "http:", 5 ) &&
- strncmp( p_current->input.psz_uri, "rtsp:", 5 ) &&
- strncmp( p_current->input.psz_uri, "udp:", 4 ) &&
- strncmp( p_current->input.psz_uri, "mms:", 4 ) &&
- strncmp( p_current->input.psz_uri, "cdda:", 4 ) &&
- strncmp( p_current->input.psz_uri, "dvd:", 4 ) &&
- strncmp( p_current->input.psz_uri, "v4l:", 4 ) &&
- strncmp( p_current->input.psz_uri, "dshow:", 6 ) )
- {
- b_preparsed = VLC_TRUE;
- stats_TimerStart( p_playlist, "Preparse run",
- STATS_TIMER_PREPARSE );
- input_Preparse( p_playlist, &p_current->input );
- stats_TimerStop( p_playlist, STATS_TIMER_PREPARSE );
- }
- vlc_mutex_unlock( &p_playlist->object_lock );
- if( b_preparsed )
- {
- var_SetInteger( p_playlist, "item-change",
- p_current->input.i_id );
- }
- }
- else
- vlc_mutex_unlock( &p_playlist->object_lock );
- vlc_mutex_lock( &p_obj->object_lock );
- }
- b_sleep = ( p_obj->i_waiting == 0 );
-
- vlc_mutex_unlock( &p_obj->object_lock );
-
- if( p_obj->i_waiting == 0 )
- {
- msleep( INTF_IDLE_SLEEP );
- }
- }
-}
-
-/*****************************************************************************
- * NextItem
- *****************************************************************************
- * This function calculates the next playlist item, depending
- * on the playlist course mode (forward, backward, random, view,...).
- *****************************************************************************/
-static playlist_item_t * NextItem( playlist_t *p_playlist )
-{
- playlist_item_t *p_new = NULL;
- int i_skip,i_goto,i, i_new, i_count ;
- playlist_view_t *p_view;
-
- vlc_bool_t b_loop = var_GetBool( p_playlist, "loop" );
- vlc_bool_t b_random = var_GetBool( p_playlist, "random" );
- vlc_bool_t b_repeat = var_GetBool( p_playlist, "repeat" );
- vlc_bool_t b_playstop = var_GetBool( p_playlist, "play-and-stop" );
-
-#ifdef PLAYLIST_PROFILE
- /* Calculate time needed */
- int64_t start = mdate();
-#endif
- /* Handle quickly a few special cases */
-
- /* No items to play */
- if( p_playlist->i_size == 0 )
- {
- msg_Info( p_playlist, "playlist is empty" );
- return NULL;
- }
- /* Nothing requested */
- if( !p_playlist->request.b_request && p_playlist->status.p_item == NULL )
- {
- msg_Dbg( p_playlist,"nothing requested, starting" );
- }
-
- /* Repeat and play/stop */
- if( !p_playlist->request.b_request && b_repeat == VLC_TRUE &&
- p_playlist->status.p_item )
- {
- msg_Dbg( p_playlist,"repeating item" );
- return p_playlist->status.p_item;
- }
-
- if( !p_playlist->request.b_request && b_playstop == VLC_TRUE )
- {
- msg_Dbg( p_playlist,"stopping (play and stop)");
- return NULL;
- }
-
- if( !p_playlist->request.b_request && p_playlist->status.p_item &&
- !( p_playlist->status.p_item->i_flags & PLAYLIST_SKIP_FLAG ) )
- {
- msg_Dbg( p_playlist, "no-skip mode, stopping") ;
- return NULL;
- }
-
- /* TODO: improve this (only use current node) */
- /* TODO: use the "shuffled view" internally ? */
- /* Random case. This is an exception: if request, but request is skip +- 1
- * we don't go to next item but select a new random one. */
- if( b_random &&
- ( !p_playlist->request.b_request ||
- ( p_playlist->request.b_request && ( p_playlist->request.p_item == NULL ||
- p_playlist->request.i_skip == 1 || p_playlist->request.i_skip == -1 ) ) ) )
- {
- /* how many items to choose from ? */
- i_count = 0;
- for ( i = 0; i < p_playlist->i_size; i++ )
- {
- if ( p_playlist->pp_items[i]->i_nb_played == 0 )
- i_count++;
- }
- /* Nothing left? */
- if ( i_count == 0 )
- {
- /* Don't loop? Exit! */
- if( !b_loop )
- return NULL;
- /* Otherwise reset the counter */
- for ( i = 0; i < p_playlist->i_size; i++ )
- {
- p_playlist->pp_items[i]->i_nb_played = 0;
- }
- i_count = p_playlist->i_size;
- }
- srand( (unsigned int)mdate() );
- i = rand() % i_count + 1 ;
- /* loop thru the list and count down the unplayed items to the selected one */
- for ( i_new = 0; i_new < p_playlist->i_size && i > 0; i_new++ )
- {
- if ( p_playlist->pp_items[i_new]->i_nb_played == 0 )
- i--;
- }
- i_new--;
-
- p_playlist->request.i_skip = 0;
- p_playlist->request.b_request = VLC_FALSE;
- return p_playlist->pp_items[i_new];
- }
-
- /* Start the real work */
- if( p_playlist->request.b_request )
- {
-#ifdef PLAYLIST_DEBUG
- msg_Dbg( p_playlist,"processing request" );
-#endif
- /* We are not playing from a view */
- if( p_playlist->request.i_view == -1 )
- {
-#ifdef PLAYLIST_DEBUG
- msg_Dbg( p_playlist, "non-view mode request");
-#endif
- /* Directly select the item, just like now */
- p_new = p_playlist->request.p_item;
- i_skip = p_playlist->request.i_skip;
- i_goto = p_playlist->request.i_goto;
-
- if( p_playlist->i_index < 0 ) p_playlist->i_index = 0;
- if ( p_new == NULL )
- p_new = p_playlist->pp_items[p_playlist->i_index];
-
- if( i_goto >= 0 && i_goto < p_playlist->i_size )
- {
- p_playlist->i_index = i_goto;
- p_new = p_playlist->pp_items[p_playlist->i_index];
- p_playlist->request.i_goto = -1;
- }
-
- if( i_skip != 0 )
- {
- if( p_playlist->i_index + i_skip < p_playlist->i_size &&
- p_playlist->i_index + i_skip >= 0 )
- {
- p_playlist->i_index += i_skip;
- p_new = p_playlist->pp_items[p_playlist->i_index];
- }
- p_playlist->request.i_skip = 0;
- }
- if( !( p_new->i_flags & PLAYLIST_SKIP_FLAG ) )
- {
- return NULL;
- }
- }
- else
- {
-#ifdef PLAYLIST_DEBUG
- msg_Dbg( p_playlist, "view mode request" );
-#endif
- p_new = p_playlist->request.p_item;
- i_skip = p_playlist->request.i_skip;
-
- /* If we are asked for a node, take its first item */
- if( p_playlist->request.p_item == NULL && i_skip == 0 )
- {
- i_skip++;
- }
-
- p_view = playlist_ViewFind( p_playlist,p_playlist->request.i_view );
- p_playlist->status.p_node = p_playlist->request.p_node;
- p_playlist->status.i_view = p_playlist->request.i_view;
- if( !p_view )
- {
- msg_Err( p_playlist, "p_view is NULL and should not! (requested view is %i", p_playlist->request.i_view );
- }
- else if( i_skip > 0 )
- {
- for( i = i_skip; i > 0 ; i-- )
- {
- p_new = playlist_FindNextFromParent( p_playlist,
- p_playlist->request.i_view,
- p_view->p_root,
- p_playlist->request.p_node,
- p_new );
- if( p_new == NULL )
- {
-#ifdef PLAYLIST_DEBUG
- msg_Dbg( p_playlist, "looping" );
-#endif
- p_new = playlist_FindNextFromParent( p_playlist,
- p_playlist->request.i_view,
- p_view->p_root,
- p_view->p_root,
- NULL );
- if( p_new == NULL ) break;
- }
- }
- }
- else if( i_skip < 0 )
- {
- for( i = i_skip; i < 0 ; i++ )
- {
- p_new = playlist_FindPrevFromParent( p_playlist,
- p_playlist->request.i_view,
- p_view->p_root,
- p_playlist->request.p_node,
- p_new );
- if( p_new == NULL )
- {
- /* We reach the beginning of the playlist.
- Go back to the last item. */
- p_new = playlist_RecursiveFindLast( p_playlist,
- p_view->p_root );
- }
- if( p_new == NULL ) break;
- }
-
- }
- }
- /* Clear the request */
- p_playlist->request.b_request = VLC_FALSE;
- }
- /* "Automatic" item change ( next ) */
- else
- {
- p_playlist->request_date = 0;
-
- if( p_playlist->status.i_view == -1 )
- {
-#ifdef PLAYLIST_DEBUG
- msg_Dbg( p_playlist, "no request - old mode" );
-#endif
- if( p_playlist->i_index + 1 < p_playlist->i_size )
- {
- p_playlist->i_index++;
- p_new = p_playlist->pp_items[p_playlist->i_index];
- if( !( p_new->i_flags & PLAYLIST_SKIP_FLAG ) )
- {
- return NULL;
- }
- }
- else
- {
- if( b_loop && p_playlist->i_size > 0)
- {
- p_playlist->i_index = 0;
- p_new = p_playlist->pp_items[0];
- }
- else
- p_new = NULL;
- }
- }
- /* We are playing with a view */
- else
- {
-#ifdef PLAYLIST_DEBUG
- msg_Dbg( p_playlist,"no request - from a view" );
-#endif
- playlist_view_t *p_view =
- playlist_ViewFind( p_playlist,
- p_playlist->status.i_view );
- if( !p_view )
- {
- msg_Err( p_playlist, "p_view is NULL and should not! (FIXME)" );
- }
- else
- {
- p_new = playlist_FindNextFromParent( p_playlist,
- p_playlist->status.i_view,
- p_view->p_root,
- p_playlist->status.p_node,
- p_playlist->status.p_item );
- if( p_new == NULL && b_loop )
- {
-#ifdef PLAYLIST_DEBUG
- msg_Dbg( p_playlist, "looping" );
-#endif
- p_new = playlist_FindNextFromParent( p_playlist,
- p_playlist->status.i_view,
- p_view->p_root,
- p_view->p_root,
- NULL );
- }
- if( p_new != NULL && !(p_new->i_flags & PLAYLIST_SKIP_FLAG) )
- return NULL;
- }
- }
- }
-
- /* Reset index */
- if( p_playlist->i_index >= 0 && p_new != NULL &&
- p_playlist->pp_items[p_playlist->i_index] != p_new )
- {
- p_playlist->i_index = playlist_GetPositionById( p_playlist,
- p_new->input.i_id );
- }
-
-#ifdef PLAYLIST_PROFILE
- msg_Dbg(p_playlist,"next item found in "I64Fi " us", mdate()-start );
-#endif
-
- if( p_new == NULL )
- {
- msg_Info( p_playlist, "nothing to play" );
- }
-
- return p_new;
-}
-
-/*****************************************************************************
- * PlayItem: start the input thread for an item
- ****************************************************************************/
-static int PlayItem( playlist_t *p_playlist, playlist_item_t *p_item )
-{
- vlc_value_t val;
-
- msg_Dbg( p_playlist, "creating new input thread" );
-
- p_item->i_nb_played++;
- p_playlist->status.p_item = p_item;
-
- p_playlist->i_index = playlist_GetPositionById( p_playlist,
- p_item->input.i_id );
-
-#ifdef PLAYLIST_PROFILE
- if( p_playlist->request_date != 0 )
- {
- msg_Dbg( p_playlist, "request processed after "I64Fi " us",
- mdate() - p_playlist->request_date );
- }
-#endif
-
- p_playlist->p_input = input_CreateThread( p_playlist, &p_item->input );
-
- val.i_int = p_item->input.i_id;
- /* unlock the playlist to set the var...mmm */
- vlc_mutex_unlock( &p_playlist->object_lock);
- var_Set( p_playlist, "playlist-current", val);
- vlc_mutex_lock( &p_playlist->object_lock);
-
- return VLC_SUCCESS;
-
-}