X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=src%2Fplaylist%2Fengine.c;h=85bd955a7d71bc094c1431a9c6217677ee9bbd81;hb=575659cfe809f32a46dd584b214f541dbd8609c7;hp=19bd9fd22295c2540467c75c6cf78dbd4bdbf31b;hpb=06b57a510f4f0b66183f1e643f4cfe13a71ceab4;p=vlc diff --git a/src/playlist/engine.c b/src/playlist/engine.c index 19bd9fd222..2aa85d18dd 100644 --- a/src/playlist/engine.c +++ b/src/playlist/engine.c @@ -1,8 +1,7 @@ /***************************************************************************** * engine.c : Run the playlist and handle its control ***************************************************************************** - * Copyright (C) 1999-2004 the VideoLAN team - * $Id: /local/vlc/0.8.6-playlist-vlm/src/playlist/playlist.c 13741 2006-03-21T19:29:39.792444Z zorglub $ + * Copyright (C) 1999-2008 the VideoLAN team * * Authors: Samuel Hocevar * Clément Stenac @@ -21,17 +20,35 @@ * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA. *****************************************************************************/ -#include -#include -#include -#include -#include "vlc_playlist.h" -#include "vlc_interaction.h" + +#ifdef HAVE_CONFIG_H +# include "config.h" +#endif + +#include +#include +#include +#include +#include +#include "playlist_internal.h" +#include "stream_output/stream_output.h" /* sout_DeleteInstance */ /***************************************************************************** * Local prototypes *****************************************************************************/ static void VariablesInit( playlist_t *p_playlist ); +static void playlist_Destructor( vlc_object_t * p_this ); +static void playlist_Destructor( vlc_object_t * p_this ); + +static int RandomCallback( vlc_object_t *p_this, char const *psz_cmd, + vlc_value_t oldval, vlc_value_t newval, void *a ) +{ + (void)psz_cmd; (void)oldval; (void)newval; (void)a; + + ((playlist_t*)p_this)->b_reset_currently_playing = true; + playlist_Signal( ((playlist_t*)p_this) ); + return VLC_SUCCESS; +} /** * Create playlist @@ -42,60 +59,77 @@ static void VariablesInit( playlist_t *p_playlist ); */ playlist_t * playlist_Create( vlc_object_t *p_parent ) { + static const char playlist_name[] = "playlist"; playlist_t *p_playlist; + bool b_save; /* Allocate structure */ - p_playlist = vlc_object_create( p_parent, VLC_OBJECT_PLAYLIST ); + p_playlist = vlc_custom_create( p_parent, sizeof( *p_playlist ), + VLC_OBJECT_GENERIC, playlist_name ); if( !p_playlist ) - { - msg_Err( p_parent, "out of memory" ); return NULL; - } + + TAB_INIT( p_playlist->i_sds, p_playlist->pp_sds ); + + libvlc_priv(p_parent->p_libvlc)->p_playlist = p_playlist; VariablesInit( p_playlist ); /* Initialise data structures */ - vlc_mutex_init( p_playlist, &p_playlist->gc_lock ); + vlc_mutex_init( &p_playlist->gc_lock ); p_playlist->i_last_playlist_id = 0; - p_playlist->i_last_input_id = 0; p_playlist->p_input = NULL; - p_playlist->i_vout_destroyed_date = 0; - p_playlist->i_sout_destroyed_date = 0; + p_playlist->gc_date = 0; + p_playlist->b_cant_sleep = false; + + ARRAY_INIT( p_playlist->items ); + ARRAY_INIT( p_playlist->all_items ); + ARRAY_INIT( p_playlist->current ); + + p_playlist->i_current_index = 0; + p_playlist->b_reset_currently_playing = true; + p_playlist->last_rebuild_date = 0; - p_playlist->i_size = 0; - p_playlist->pp_items = NULL; - p_playlist->i_all_size = 0; - p_playlist->pp_all_items = NULL; + p_playlist->b_tree = var_CreateGetBool( p_playlist, "playlist-tree" ); - p_playlist->i_input_items = 0; - p_playlist->pp_input_items = NULL; + p_playlist->b_doing_ml = false; - p_playlist->p_root_category = playlist_NodeCreate( p_playlist, NULL, NULL); - p_playlist->p_root_onelevel = playlist_NodeCreate( p_playlist, NULL, NULL); + p_playlist->b_auto_preparse = + var_CreateGetBool( p_playlist, "auto-preparse" ) ; + + p_playlist->p_root_category = playlist_NodeCreate( p_playlist, NULL, NULL, + 0, NULL ); + p_playlist->p_root_onelevel = playlist_NodeCreate( p_playlist, NULL, NULL, + 0, p_playlist->p_root_category->p_input ); + + if( !p_playlist->p_root_category || !p_playlist->p_root_onelevel ) + return NULL; /* Create playlist and media library */ - p_playlist->p_local_category = playlist_NodeCreate( p_playlist, - _( "Playlist" ),p_playlist->p_root_category ); - p_playlist->p_local_onelevel = playlist_NodeCreate( p_playlist, - _( "Playlist" ), p_playlist->p_root_onelevel ); + playlist_NodesPairCreate( p_playlist, _( "Playlist" ), + &p_playlist->p_local_category, + &p_playlist->p_local_onelevel, false ); + p_playlist->p_local_category->i_flags |= PLAYLIST_RO_FLAG; p_playlist->p_local_onelevel->i_flags |= PLAYLIST_RO_FLAG; - /* Link the nodes together. Todo: actually create them from the same input*/ - p_playlist->p_local_onelevel->p_input->i_id = - p_playlist->p_local_category->p_input->i_id; + if( !p_playlist->p_local_category || !p_playlist->p_local_onelevel || + !p_playlist->p_local_category->p_input || + !p_playlist->p_local_onelevel->p_input ) + return NULL; if( config_GetInt( p_playlist, "media-library") ) { - p_playlist->p_ml_category = playlist_NodeCreate( p_playlist, - _( "Media Library" ), p_playlist->p_root_category ); - p_playlist->p_ml_onelevel = playlist_NodeCreate( p_playlist, - _( "Media Library" ), p_playlist->p_root_onelevel ); + playlist_NodesPairCreate( p_playlist, _( "Media Library" ), + &p_playlist->p_ml_category, + &p_playlist->p_ml_onelevel, false ); + + if(!p_playlist->p_ml_category || !p_playlist->p_ml_onelevel) + return NULL; + p_playlist->p_ml_category->i_flags |= PLAYLIST_RO_FLAG; p_playlist->p_ml_onelevel->i_flags |= PLAYLIST_RO_FLAG; - p_playlist->p_ml_onelevel->p_input->i_id = - p_playlist->p_ml_category->p_input->i_id; } else { @@ -104,185 +138,238 @@ playlist_t * playlist_Create( vlc_object_t *p_parent ) /* Initial status */ p_playlist->status.p_item = NULL; - p_playlist->status.p_node = p_playlist->p_root_onelevel; - p_playlist->request.b_request = VLC_FALSE; + p_playlist->status.p_node = p_playlist->p_local_onelevel; + p_playlist->request.b_request = false; p_playlist->status.i_status = PLAYLIST_STOPPED; p_playlist->i_sort = SORT_ID; p_playlist->i_order = ORDER_NORMAL; - vlc_object_attach( p_playlist, p_parent ); + + b_save = p_playlist->b_auto_preparse; + p_playlist->b_auto_preparse = false; + playlist_MLLoad( p_playlist ); + p_playlist->b_auto_preparse = true; + + vlc_object_set_destructor( p_playlist, playlist_Destructor ); + return p_playlist; } -void playlist_Destroy( playlist_t *p_playlist ) +/** + * Destroy playlist + * + * Destroy a playlist structure. + * \param p_playlist the playlist object + * \return nothing + */ + +static void playlist_Destructor( vlc_object_t * p_this ) { - while( p_playlist->i_sds ) + playlist_t * p_playlist = (playlist_t *)p_this; + + if( p_playlist->p_preparse ) { - playlist_ServicesDiscoveryRemove( p_playlist, - p_playlist->pp_sds[0]->psz_module ); + vlc_object_release( p_playlist->p_preparse ); + } + + if( p_playlist->p_fetcher ) + { + vlc_object_release( p_playlist->p_fetcher ); + } + msg_Dbg( p_this, "Destroyed" ); +} + +/* Destroy remaining objects */ +static void ObjectGarbageCollector( playlist_t *p_playlist, bool b_force ) +{ + if( !b_force ) + { + if( mdate() - p_playlist->gc_date < 1000000 ) + { + p_playlist->b_cant_sleep = true; + return; + } + else if( p_playlist->gc_date == 0 ) + return; } - vlc_thread_join( p_playlist->p_preparse ); - vlc_thread_join( p_playlist ); - vlc_object_detach( p_playlist->p_preparse ); + vlc_mutex_lock( &p_playlist->gc_lock ); + p_playlist->b_cant_sleep = false; + vlc_mutex_unlock( &p_playlist->gc_lock ); +} - 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" ); - var_Destroy( p_playlist, "activity" ); +/* Input Callback */ +static void input_state_changed( const vlc_event_t * event, void * data ) +{ + (void)event; + playlist_t * p_playlist = data; + playlist_Signal( p_playlist ); +} +/* Input Callback */ +static void input_selected_stream_changed( const vlc_event_t * event, void * data ) +{ + (void)event; + playlist_t * p_playlist = data; PL_LOCK; - playlist_NodeDelete( p_playlist, p_playlist->p_root_category, VLC_TRUE, - VLC_TRUE ); - playlist_NodeDelete( p_playlist, p_playlist->p_root_onelevel, VLC_TRUE, - VLC_TRUE ); + p_playlist->gc_date = mdate(); + vlc_object_signal_unlocked( p_playlist ); PL_UNLOCK; +} + +/* Internals */ +void playlist_release_current_input( playlist_t * p_playlist ) +{ + vlc_assert_locked( &(vlc_internals(p_playlist)->lock) ); - if( p_playlist->p_stats ) - free( p_playlist->p_stats ); + if( !p_playlist->p_input ) return; - vlc_mutex_destroy( &p_playlist->gc_lock ); - vlc_object_destroy( p_playlist->p_preparse ); - vlc_object_destroy( p_playlist ); + input_thread_t * p_input = p_playlist->p_input; + vlc_event_manager_t * p_em = input_get_event_manager( p_input ); + vlc_event_detach( p_em, vlc_InputStateChanged, + input_state_changed, p_playlist ); + vlc_event_detach( p_em, vlc_InputSelectedStreamChanged, + input_selected_stream_changed, p_playlist ); + p_playlist->p_input = NULL; + + /* Release the playlist lock, because we may get stuck + * in vlc_object_release() for some time. */ + PL_UNLOCK; + vlc_object_release( p_input ); + PL_LOCK; } -/* Destroy remaining objects */ -static mtime_t ObjectGarbageCollector( playlist_t *p_playlist, int i_type, - mtime_t destroy_date ) + +void playlist_set_current_input( + playlist_t * p_playlist, input_thread_t * p_input ) { - vlc_object_t *p_obj; + vlc_assert_locked( &(vlc_internals(p_playlist)->lock) ); - if( destroy_date > mdate() ) return destroy_date; + playlist_release_current_input( p_playlist ); - if( destroy_date == 0 ) - { - /* give a little time */ - return mdate() + I64C(1000000); - } - else + if( p_input ) { - 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 destroying 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; + vlc_object_yield( p_input ); + p_playlist->p_input = p_input; + vlc_event_manager_t * p_em = input_get_event_manager( p_input ); + vlc_event_attach( p_em, vlc_InputStateChanged, + input_state_changed, p_playlist ); + vlc_event_attach( p_em, vlc_InputSelectedStreamChanged, + input_selected_stream_changed, p_playlist ); } } -/** Main loop for the playlist */ +/** Get current playing input. + */ +input_thread_t * playlist_CurrentInput( playlist_t * p_playlist ) +{ + input_thread_t * p_input; + PL_LOCK; + p_input = p_playlist->p_input; + if( p_input ) vlc_object_yield( p_input ); + PL_UNLOCK; + return p_input; +} + + +/** + * @} + */ + +/** + * Main loop + * + * Main loop for the playlist + * \param p_playlist the playlist object + * \return nothing + */ void playlist_MainLoop( playlist_t *p_playlist ) { playlist_item_t *p_item = NULL; + bool b_playexit = var_GetBool( p_playlist, "play-and-exit" ); + PL_LOCK; + if( p_playlist->b_reset_currently_playing && + mdate() - p_playlist->last_rebuild_date > 30000 ) // 30 ms + { + ResetCurrentlyPlaying( p_playlist, var_GetBool( p_playlist, "random" ), + p_playlist->status.p_item ); + p_playlist->last_rebuild_date = mdate(); + } - PL_LOCK - - /* First, check if we have something to do */ - /* FIXME : this can be called several times */ - if( p_playlist->request.b_request ) +check_input: + /* If there is an input, check that it doesn't need to die. */ + if( p_playlist->p_input ) { - /* Stop the existing input */ - if( p_playlist->p_input && !p_playlist->p_input->b_die ) + if( p_playlist->request.b_request && !p_playlist->p_input->b_die ) { PL_DEBUG( "incoming request - stopping current input" ); input_StopThread( p_playlist->p_input ); } - } - /* If there is an input, check that it doesn't need to die. */ - if( p_playlist->p_input ) - { /* This input is dead. Remove it ! */ if( p_playlist->p_input->b_dead ) { int i_activity; input_thread_t *p_input; + sout_instance_t **pp_sout = + &libvlc_priv(p_playlist->p_libvlc)->p_sout; + + PL_DEBUG( "dead 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. */ - PL_UNLOCK + assert( *pp_sout == NULL ); + if( var_CreateGetBool( p_input, "sout-keep" ) ) + *pp_sout = input_DetachSout( p_input ); /* Destroy input */ - input_DestroyThread( p_input ); + playlist_release_current_input( p_playlist ); - /* Unlink current input - * (_after_ input_DestroyThread for vout garbage collector) */ - vlc_object_detach( p_input ); - - /* Destroy object */ - vlc_object_destroy( p_input ); - - p_playlist->i_vout_destroyed_date = 0; - p_playlist->i_sout_destroyed_date = 0; + p_playlist->gc_date = mdate(); + p_playlist->b_cant_sleep = true; if( p_playlist->status.p_item->i_flags & PLAYLIST_REMOVE_FLAG ) { + PL_DEBUG( "%s was marked for deletion, deleting", + PLI_NAME( p_playlist->status.p_item ) ); playlist_ItemDelete( p_playlist->status.p_item ); if( p_playlist->request.p_item == p_playlist->status.p_item ) p_playlist->request.p_item = NULL; p_playlist->status.p_item = NULL; } - i_activity= var_GetInteger( p_playlist, "activity") ; + i_activity= var_GetInteger( p_playlist, "activity" ); var_SetInteger( p_playlist, "activity", i_activity - DEFAULT_INPUT_ACTIVITY ); - return; + goto check_input; } /* This input is dying, let it do */ else if( p_playlist->p_input->b_die ) { - ; + PL_DEBUG( "dying input" ); + PL_UNLOCK; + msleep( INTF_IDLE_SLEEP ); + PL_LOCK; + goto check_input; } /* This input has finished, ask it to die ! */ else if( p_playlist->p_input->b_error || p_playlist->p_input->b_eof ) { + PL_DEBUG( "finished input" ); input_StopThread( p_playlist->p_input ); - /* Select the next playlist item */ - PL_UNLOCK - return; + /* No need to wait here, we'll wait in the p_input->b_die case */ + goto check_input; } else if( p_playlist->p_input->i_state != INIT_S ) { - PL_UNLOCK - p_playlist->i_vout_destroyed_date = - ObjectGarbageCollector( p_playlist, VLC_OBJECT_VOUT, - p_playlist->i_vout_destroyed_date ); - p_playlist->i_sout_destroyed_date = - ObjectGarbageCollector( p_playlist, VLC_OBJECT_SOUT, - p_playlist->i_sout_destroyed_date ); - PL_LOCK + PL_UNLOCK; + ObjectGarbageCollector( p_playlist, false ); + PL_LOCK; } } else @@ -292,81 +379,80 @@ void playlist_MainLoop( playlist_t *p_playlist ) * - No request, stopped status -> collect garbage * - Request, running requested -> start new item * - Request, stopped requested -> collect garbage - */ - if( (!p_playlist->request.b_request && - p_playlist->status.i_status != PLAYLIST_STOPPED) || - ( p_playlist->request.b_request && - p_playlist->request.i_status != PLAYLIST_STOPPED ) ) - { - msg_Dbg( p_playlist, "Starting new item" ); - stats_TimerStart( p_playlist, "Playlist walk", - STATS_TIMER_PLAYLIST_WALK ); - p_item = playlist_NextItem( p_playlist ); - stats_TimerStop( p_playlist, STATS_TIMER_PLAYLIST_WALK ); - - if( p_item == NULL ) - { + */ + int i_status = p_playlist->request.b_request ? + p_playlist->request.i_status : p_playlist->status.i_status; + if( i_status != PLAYLIST_STOPPED ) + { + msg_Dbg( p_playlist, "starting new item" ); + p_item = playlist_NextItem( p_playlist ); + + if( p_item == NULL ) + { msg_Dbg( p_playlist, "nothing to play" ); p_playlist->status.i_status = PLAYLIST_STOPPED; - PL_UNLOCK + PL_UNLOCK; + + if( b_playexit == true ) + { + msg_Info( p_playlist, "end of playlist, exiting" ); + vlc_object_kill( p_playlist->p_libvlc ); + } + ObjectGarbageCollector( p_playlist, true ); return; } playlist_PlayItem( p_playlist, p_item ); } else { - 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; - } + const bool b_gc_forced = p_playlist->status.i_status != PLAYLIST_STOPPED; - /* Collect garbage */ - PL_UNLOCK - p_playlist->i_sout_destroyed_date = - ObjectGarbageCollector( p_playlist, VLC_OBJECT_SOUT, mdate() ); - p_playlist->i_vout_destroyed_date = - ObjectGarbageCollector( p_playlist, VLC_OBJECT_VOUT, mdate() ); - PL_LOCK - } + p_playlist->status.i_status = PLAYLIST_STOPPED; + if( p_playlist->status.p_item && + p_playlist->status.p_item->i_flags & PLAYLIST_REMOVE_FLAG ) + { + PL_DEBUG( "deleting item marked for deletion" ); + playlist_ItemDelete( p_playlist->status.p_item ); + p_playlist->status.p_item = NULL; + } + + /* Collect garbage */ + PL_UNLOCK; + ObjectGarbageCollector( p_playlist, b_gc_forced ); + PL_LOCK; + } } - PL_UNLOCK + PL_UNLOCK; } -/** Playlist dying last loop */ +/** + * Last loop + * + * The playlist is dying so do the last loop + * \param p_playlist the playlist object + * \return nothing +*/ void playlist_LastLoop( playlist_t *p_playlist ) { - vlc_object_t *p_obj; - /* If there is an input, kill it */ while( 1 ) { - PL_LOCK - + PL_LOCK; if( p_playlist->p_input == NULL ) { - PL_UNLOCK + PL_UNLOCK; break; } if( p_playlist->p_input->b_dead ) { - input_thread_t *p_input; + /* remove input */ + playlist_release_current_input( p_playlist ); - /* Unlink current input */ - p_input = p_playlist->p_input; - p_playlist->p_input = NULL; - PL_UNLOCK + /* sout-keep: no need to anything here. + * The last input will destroy its sout, if any, by itself */ - /* 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 ); + PL_UNLOCK; continue; } else if( p_playlist->p_input->b_die ) @@ -377,89 +463,248 @@ void playlist_LastLoop( playlist_t *p_playlist ) else if( p_playlist->p_input->b_error || p_playlist->p_input->b_eof ) { input_StopThread( p_playlist->p_input ); - PL_UNLOCK + PL_UNLOCK; continue; } else { p_playlist->p_input->b_eof = 1; } - - PL_UNLOCK + PL_UNLOCK; msleep( INTF_IDLE_SLEEP ); } - /* close all remaining sout */ - while( ( p_obj = vlc_object_find( p_playlist, - VLC_OBJECT_SOUT, FIND_CHILD ) ) ) +#ifdef ENABLE_SOUT + /* close the remaining sout-keep (if there was no input atm) */ + sout_instance_t *p_sout = libvlc_priv (p_playlist->p_libvlc)->p_sout; + if (p_sout) + sout_DeleteInstance( p_sout ); +#endif + + if( p_playlist->status.p_node && + p_playlist->status.p_node->i_flags & PLAYLIST_REMOVE_FLAG ) { - vlc_object_release( p_obj ); - sout_DeleteInstance( (sout_instance_t*)p_obj ); + PL_DEBUG( "%s was marked for deletion, deleting", + PLI_NAME( p_playlist->status.p_node ) ); + playlist_ItemDelete( p_playlist->status.p_node ); + p_playlist->status.p_node = NULL; } - - /* close all remaining vout */ - while( ( p_obj = vlc_object_find( p_playlist, - VLC_OBJECT_VOUT, FIND_CHILD ) ) ) + if( p_playlist->status.p_item && + p_playlist->status.p_item->i_flags & PLAYLIST_REMOVE_FLAG ) { - vlc_object_detach( p_obj ); - vlc_object_release( p_obj ); - vout_Destroy( (vout_thread_t *)p_obj ); + PL_DEBUG( "%s was marked for deletion, deleting", + PLI_NAME( p_playlist->status.p_item ) ); + playlist_ItemDelete( p_playlist->status.p_item ); + p_playlist->status.p_item = NULL; } + + /* Core should have terminated all SDs before the playlist */ + /* TODO: It fails to do so when not playing anything -- Courmisch */ + playlist_ServicesDiscoveryKillAll( p_playlist ); + playlist_MLDump( p_playlist ); + + vlc_object_kill( p_playlist->p_preparse ); + vlc_thread_join( p_playlist->p_preparse ); + vlc_object_kill( p_playlist->p_fetcher ); + vlc_thread_join( p_playlist->p_fetcher ); + + PL_LOCK; + FOREACH_ARRAY( playlist_item_t *p_del, p_playlist->all_items ) + free( p_del->pp_children ); + vlc_gc_decref( p_del->p_input ); + free( p_del ); + FOREACH_END(); + ARRAY_RESET( p_playlist->all_items ); + + ARRAY_RESET( p_playlist->items ); + ARRAY_RESET( p_playlist->current ); + + PL_UNLOCK; } -/** Main loop for preparser queue */ +/** + * Preparse loop + * + * Main loop for preparser queue + * \param p_obj items to preparse + * \return nothing + */ void playlist_PreparseLoop( playlist_preparse_t *p_obj ) { playlist_t *p_playlist = (playlist_t *)p_obj->p_parent; + input_item_t *p_current; int i_activity; - vlc_mutex_lock( &p_obj->object_lock ); + vlc_object_lock( p_obj ); - if( p_obj->i_waiting > 0 ) + while( vlc_object_alive( p_obj ) ) { - input_item_t *p_current = p_playlist->p_preparse->pp_waiting[0]; + if( p_obj->i_waiting == 0 ) + { + vlc_object_wait( p_obj ); + continue; + } + + p_current = p_obj->pp_waiting[0]; REMOVE_ELEM( p_obj->pp_waiting, p_obj->i_waiting, 0 ); - vlc_mutex_unlock( &p_obj->object_lock ); - vlc_mutex_lock( &p_playlist->object_lock ); + vlc_object_unlock( p_obj ); + + PL_LOCK; if( p_current ) { - vlc_bool_t b_preparsed = VLC_FALSE; - if( strncmp( p_current->psz_uri, "http:", 5 ) && - strncmp( p_current->psz_uri, "rtsp:", 5 ) && - strncmp( p_current->psz_uri, "udp:", 4 ) && - strncmp( p_current->psz_uri, "mms:", 4 ) && - strncmp( p_current->psz_uri, "cdda:", 4 ) && - strncmp( p_current->psz_uri, "dvd:", 4 ) && - strncmp( p_current->psz_uri, "v4l:", 4 ) && - strncmp( p_current->psz_uri, "dshow:", 6 ) ) + if( p_current->i_type == ITEM_TYPE_FILE ) { - b_preparsed = VLC_TRUE; stats_TimerStart( p_playlist, "Preparse run", STATS_TIMER_PREPARSE ); - input_Preparse( p_playlist, p_current ); + /* Do not preparse if it is already done (like by playing it) */ + if( !input_item_IsPreparsed( p_current ) ) + { + PL_UNLOCK; + input_Preparse( p_playlist, p_current ); + PL_LOCK; + } stats_TimerStop( p_playlist, STATS_TIMER_PREPARSE ); + PL_UNLOCK; + input_item_SetPreparsed( p_current, true ); + var_SetInteger( p_playlist, "item-change", p_current->i_id ); + PL_LOCK; } - vlc_mutex_unlock( &p_playlist->object_lock ); - if( b_preparsed ) + /* If we haven't retrieved enough meta, add to secondary queue + * which will run the "meta fetchers". + * This only checks for meta, not for art + * \todo don't do this for things we won't get meta for, like vids + */ + char *psz_arturl = input_item_GetArtURL( p_current ); + char *psz_name = input_item_GetName( p_current ); + if( p_playlist->p_fetcher->i_art_policy == ALBUM_ART_ALL && + ( !psz_arturl || strncmp( psz_arturl, "file://", 7 ) ) ) { - var_SetInteger( p_playlist, "item-change", - p_current->i_id ); + PL_DEBUG("meta ok for %s, need to fetch art", psz_name ); + vlc_object_lock( p_playlist->p_fetcher ); + INSERT_ELEM( p_playlist->p_fetcher->pp_waiting, + p_playlist->p_fetcher->i_waiting, + p_playlist->p_fetcher->i_waiting, p_current); + vlc_object_signal_unlocked( p_playlist->p_fetcher ); + vlc_object_unlock( p_playlist->p_fetcher ); } - vlc_gc_decref( p_current ); + else + { + PL_DEBUG( "no fetch required for %s (art currently %s)", + psz_name, psz_arturl ); + vlc_gc_decref( p_current ); + } + free( psz_name ); + free( psz_arturl ); + PL_UNLOCK; } else + PL_UNLOCK; + + vlc_object_lock( p_obj ); + i_activity = var_GetInteger( p_playlist, "activity" ); + if( i_activity < 0 ) i_activity = 0; + vlc_object_unlock( p_obj ); + /* Sleep at least 1ms */ + msleep( (i_activity+1) * 1000 ); + vlc_object_lock( p_obj ); + } + + for( int i = 0; i < p_obj->i_waiting; i++ ) + { + vlc_gc_decref( p_obj->pp_waiting[i] ); + REMOVE_ELEM( p_obj->pp_waiting, p_obj->i_waiting, 0 ); + } + + vlc_object_unlock( p_obj ); +} + +/** + * Fetcher loop + * + * Main loop for secondary preparser queue + * \param p_obj items to preparse + * \return nothing + */ +void playlist_FetcherLoop( playlist_fetcher_t *p_obj ) +{ + playlist_t *p_playlist = (playlist_t *)p_obj->p_parent; + input_item_t *p_item; + int i_activity; + + vlc_object_lock( p_obj ); + + while( vlc_object_alive( p_obj ) ) + { + if( p_obj->i_waiting == 0 ) + { + vlc_object_wait( p_obj ); + continue; + } + + p_item = p_obj->pp_waiting[0]; + REMOVE_ELEM( p_obj->pp_waiting, p_obj->i_waiting, 0 ); + vlc_object_unlock( p_obj ); + if( p_item ) { - vlc_mutex_unlock( &p_playlist->object_lock ); + int i_ret; + + /* Check if it is not yet preparsed and if so wait for it (at most 0.5s) + * (This can happen if we fetch art on play) + * FIXME this doesn't work if we need to fetch meta before art ... */ + for( i_ret = 0; i_ret < 10 && !input_item_IsPreparsed( p_item ); i_ret++ ) + { + bool b_break; + PL_LOCK; + b_break = ( !p_playlist->p_input || input_GetItem(p_playlist->p_input) != p_item || + p_playlist->p_input->b_die || p_playlist->p_input->b_eof || p_playlist->p_input->b_error ); + PL_UNLOCK; + if( b_break ) + break; + msleep( 50000 ); + } + + i_ret = input_ArtFind( p_playlist, p_item ); + if( i_ret == 1 ) + { + PL_DEBUG( "downloading art for %s", p_item->psz_name ); + if( input_DownloadAndCacheArt( p_playlist, p_item ) ) + input_item_SetArtNotFound( p_item, true ); + else { + input_item_SetArtFetched( p_item, true ); + var_SetInteger( p_playlist, "item-change", + p_item->i_id ); + } + } + else if( i_ret == 0 ) /* Was in cache */ + { + PL_DEBUG( "found art for %s in cache", p_item->psz_name ); + input_item_SetArtFetched( p_item, true ); + var_SetInteger( p_playlist, "item-change", p_item->i_id ); + } + else + { + PL_DEBUG( "art not found for %s", p_item->psz_name ); + input_item_SetArtNotFound( p_item, true ); + } + vlc_gc_decref( p_item ); } - vlc_mutex_lock( &p_obj->object_lock ); - i_activity= var_GetInteger( p_playlist, "activity" ); + vlc_object_lock( p_obj ); + i_activity = var_GetInteger( p_playlist, "activity" ); if( i_activity < 0 ) i_activity = 0; - vlc_mutex_unlock( &p_obj->object_lock ); + vlc_object_unlock( p_obj ); + /* Sleep at least 1ms */ msleep( (i_activity+1) * 1000 ); - return; + vlc_object_lock( p_obj ); } - vlc_mutex_unlock( &p_obj->object_lock ); + + for( int i = 0; i < p_obj->i_waiting; i++ ) + { + vlc_gc_decref( p_obj->pp_waiting[i] ); + REMOVE_ELEM( p_obj->pp_waiting, p_obj->i_waiting, 0 ); + } + + vlc_object_unlock( p_obj ); } static void VariablesInit( playlist_t *p_playlist ) @@ -467,7 +712,7 @@ static void VariablesInit( playlist_t *p_playlist ) vlc_value_t val; /* These variables control updates */ var_Create( p_playlist, "intf-change", VLC_VAR_BOOL ); - val.b_bool = VLC_TRUE; + val.b_bool = true; var_Set( p_playlist, "intf-change", val ); var_Create( p_playlist, "item-change", VLC_VAR_INTEGER ); @@ -484,18 +729,15 @@ static void VariablesInit( playlist_t *p_playlist ) 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 ); - var_Create( p_playlist, "activity", VLC_VAR_INTEGER ); var_SetInteger( p_playlist, "activity", 0 ); /* Variables to control playback */ var_CreateGetBool( p_playlist, "play-and-stop" ); + var_CreateGetBool( p_playlist, "play-and-exit" ); var_CreateGetBool( p_playlist, "random" ); var_CreateGetBool( p_playlist, "repeat" ); var_CreateGetBool( p_playlist, "loop" ); + + var_AddCallback( p_playlist, "random", RandomCallback, NULL ); }