X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=src%2Fcontrol%2Fmedia_list.c;h=c379db9497d8e4241f8d5ae284585266a05f18ef;hb=7ca4e3eb624251feb1f97cfc25104cce473e04a0;hp=077b0dafb822309f296b217a27c57ad31ceeabbe;hpb=866dd6dcc40f3a9bfc601271e390619cc58225ef;p=vlc diff --git a/src/control/media_list.c b/src/control/media_list.c index 077b0dafb8..c379db9497 100644 --- a/src/control/media_list.c +++ b/src/control/media_list.c @@ -26,6 +26,19 @@ #include #include "vlc_arrays.h" +typedef enum EventPlaceInTime { + EventWillHappen, + EventDidHappen +} EventPlaceInTime; + +//#define DEBUG_MEDIA_LIST + +#ifdef DEBUG_MEDIA_LIST +# define trace( fmt, ... ) printf( "%s(): " fmt, __FUNCTION__, ##__VA_ARGS__ ) +#else +# define trace( ... ) +#endif + /* * Private functions */ @@ -39,15 +52,26 @@ **************************************************************************/ static void notify_item_addition( libvlc_media_list_t * p_mlist, - libvlc_media_descriptor_t * p_md, - int index ) + libvlc_media_t * p_md, + int index, + EventPlaceInTime event_status ) { libvlc_event_t event; /* Construct the event */ - event.type = libvlc_MediaListItemAdded; - event.u.media_list_item_added.item = p_md; - event.u.media_list_item_added.index = index; + if( event_status == EventDidHappen ) + { + trace("item was added at index %d\n", index); + event.type = libvlc_MediaListItemAdded; + event.u.media_list_item_added.item = p_md; + event.u.media_list_item_added.index = index; + } + else /* if( event_status == EventWillHappen ) */ + { + event.type = libvlc_MediaListWillAddItem; + event.u.media_list_will_add_item.item = p_md; + event.u.media_list_will_add_item.index = index; + } /* Send the event */ libvlc_event_send( p_mlist->p_event_manager, &event ); @@ -60,178 +84,29 @@ notify_item_addition( libvlc_media_list_t * p_mlist, **************************************************************************/ static void notify_item_deletion( libvlc_media_list_t * p_mlist, - libvlc_media_descriptor_t * p_md, - int index ) + libvlc_media_t * p_md, + int index, + EventPlaceInTime event_status ) { libvlc_event_t event; /* Construct the event */ - event.type = libvlc_MediaListItemDeleted; - event.u.media_list_item_deleted.item = p_md; - event.u.media_list_item_deleted.index = index; - - /* Send the event */ - libvlc_event_send( p_mlist->p_event_manager, &event ); -} - -/************************************************************************** - * media_descriptor_changed (private) (libvlc Event Callback ) - * - * An item has changed. - **************************************************************************/ -static void -media_descriptor_changed( const libvlc_event_t * p_event, void * user_data ) -{ - libvlc_media_list_t * p_mlist = user_data; - libvlc_media_descriptor_t * p_md = p_event->p_obj; - libvlc_event_t event; - - /* Construct the new media list event */ - event.type = libvlc_MediaListItemChanged; - event.u.media_list_item_changed.item = p_md; - - /* XXX: this is not good, but there is a solution in the pipeline */ - event.u.media_list_item_changed.index = - libvlc_media_list_index_of_item( p_mlist, p_md, NULL ); - - /* Send the event */ - libvlc_event_send( p_mlist->p_event_manager, &event ); -} - -/************************************************************************** - * media_descriptor_subitem_added (private) (libvlc Event Callback ) - * - * An item (which is a playlist) has gained sub child. - **************************************************************************/ -static void -media_descriptor_subitem_added( const libvlc_event_t * p_event, void * user_data ) -{ - libvlc_media_list_t * p_mlist = user_data; - libvlc_media_descriptor_t * p_new_md; - - p_new_md = p_event->u.media_descriptor_subitem_added.new_child; - - /* For now, just add the new item to this media list */ - libvlc_media_list_add_media_descriptor( p_mlist, p_new_md, NULL ); -} - -/************************************************************************** - * install_media_descriptor_observer (private) - * - * Do the appropriate action when an item is deleted. - **************************************************************************/ -static void -install_media_descriptor_observer( libvlc_media_list_t * p_mlist, - libvlc_media_descriptor_t * p_md ) -{ - libvlc_event_attach( p_md->p_event_manager, - libvlc_MediaDescriptorMetaChanged, - media_descriptor_changed, - p_mlist, NULL ); - libvlc_event_attach( p_md->p_event_manager, - libvlc_MediaDescriptorSubItemAdded, - media_descriptor_changed, - p_mlist, NULL ); -} - -/************************************************************************** - * uninstall_media_descriptor_observer (private) - * - * Do the appropriate action when an item is deleted. - **************************************************************************/ -static void -uninstall_media_descriptor_observer( libvlc_media_list_t * p_mlist, - libvlc_media_descriptor_t * p_md ) -{ - libvlc_event_detach( p_md->p_event_manager, - libvlc_MediaDescriptorMetaChanged, - media_descriptor_changed, - p_mlist, NULL ); - libvlc_event_detach( p_md->p_event_manager, - libvlc_MediaDescriptorSubItemAdded, - media_descriptor_changed, - p_mlist, NULL ); -} - -/************************************************************************** - * dynamic_list_propose_item (private) (Event Callback) - * - * This is called if the dynamic sublist's data provider adds a new item. - **************************************************************************/ -static void -dynamic_list_propose_item( const libvlc_event_t * p_event, void * p_user_data ) -{ - libvlc_media_list_t * p_submlist = p_user_data; - libvlc_media_descriptor_t * p_md = p_event->u.media_list_item_added.item; - - //libvlc_media_descriptor_lock( p_md ); - if( libvlc_tag_query_match( p_submlist->p_query, p_md, NULL ) ) + if( event_status == EventDidHappen ) { - libvlc_media_list_lock( p_submlist ); - libvlc_media_list_add_media_descriptor( p_submlist, p_md, NULL ); - libvlc_media_list_unlock( p_submlist ); + trace("item at index %d was deleted\n", index); + event.type = libvlc_MediaListItemDeleted; + event.u.media_list_item_deleted.item = p_md; + event.u.media_list_item_deleted.index = index; } - //libvlc_media_descriptor_unlock( p_md ); -} - -/************************************************************************** - * dynamic_list_remove_item (private) (Event Callback) - * - * This is called if the dynamic sublist's data provider adds a new item. - **************************************************************************/ -static void -dynamic_list_remove_item( const libvlc_event_t * p_event, void * p_user_data ) -{ - libvlc_media_list_t * p_submlist = p_user_data; - libvlc_media_descriptor_t * p_md = p_event->u.media_list_item_deleted.item; - - //libvlc_media_descriptor_lock( p_md ); - if( libvlc_tag_query_match( p_submlist->p_query, p_md, NULL ) ) + else /* if( event_status == EventWillHappen ) */ { - int i; - libvlc_media_list_lock( p_submlist ); - i = libvlc_media_list_index_of_item( p_submlist, p_md, NULL ); - if ( i < 0 ) - { - /* We've missed one item addition, that could happen especially - * if we add item in a threaded maner, so we just ignore */ - libvlc_media_list_unlock( p_submlist ); - //libvlc_media_descriptor_unlock( p_md ); - return; - } - libvlc_media_list_remove_index( p_submlist, i, NULL ); - libvlc_media_list_unlock( p_submlist ); + event.type = libvlc_MediaListWillDeleteItem; + event.u.media_list_will_delete_item.item = p_md; + event.u.media_list_will_delete_item.index = index; } - //libvlc_media_descriptor_unlock( p_md ); -} -/************************************************************************** - * dynamic_list_change_item (private) (Event Callback) - * - * This is called if the dynamic sublist's data provider adds a new item. - **************************************************************************/ -static void -dynamic_list_change_item( const libvlc_event_t * p_event , void * p_user_data) -{ - libvlc_media_list_t * p_submlist = p_user_data; - libvlc_media_descriptor_t * p_md = p_event->u.media_list_item_changed.item; - int index; - - libvlc_media_list_lock( p_submlist ); - - index = libvlc_media_list_index_of_item( p_submlist, p_md, NULL ); - if( index < 0 ) - { - libvlc_media_list_unlock( p_submlist ); - return; /* Not found, no prob, just ignore */ - } - - //libvlc_media_descriptor_lock( p_md ); - if( !libvlc_tag_query_match( p_submlist->p_query, p_md, NULL ) ) - libvlc_media_list_remove_index( p_submlist, index, NULL ); - //libvlc_media_descriptor_unlock( p_md ); - - libvlc_media_list_unlock( p_submlist ); + /* Send the event */ + libvlc_event_send( p_mlist->p_event_manager, &event ); } /* @@ -253,16 +128,22 @@ libvlc_media_list_new( libvlc_instance_t * p_inst, if( !p_mlist ) return NULL; - + p_mlist->p_libvlc_instance = p_inst; p_mlist->p_event_manager = libvlc_event_manager_new( p_mlist, p_inst, p_e ); + /* Code for that one should be handled in flat_media_list.c */ + p_mlist->p_flat_mlist = NULL; + p_mlist->b_read_only = false; + libvlc_event_manager_register_event_type( p_mlist->p_event_manager, libvlc_MediaListItemAdded, p_e ); libvlc_event_manager_register_event_type( p_mlist->p_event_manager, - libvlc_MediaListItemChanged, p_e ); + libvlc_MediaListWillAddItem, p_e ); libvlc_event_manager_register_event_type( p_mlist->p_event_manager, libvlc_MediaListItemDeleted, p_e ); + libvlc_event_manager_register_event_type( p_mlist->p_event_manager, + libvlc_MediaListWillDeleteItem, p_e ); if( libvlc_exception_raised( p_e ) ) { @@ -271,11 +152,11 @@ libvlc_media_list_new( libvlc_instance_t * p_inst, return NULL; } - vlc_mutex_init( p_inst->p_libvlc_int, &p_mlist->object_lock ); - - ARRAY_INIT(p_mlist->items); + vlc_mutex_init( &p_mlist->object_lock ); + + vlc_array_init( &p_mlist->items ); p_mlist->i_refcount = 1; - p_mlist->p_media_provider = NULL; + p_mlist->p_md = NULL; return p_mlist; } @@ -287,33 +168,37 @@ libvlc_media_list_new( libvlc_instance_t * p_inst, **************************************************************************/ void libvlc_media_list_release( libvlc_media_list_t * p_mlist ) { - libvlc_media_descriptor_t * p_md; + libvlc_media_t * p_md; + int i; vlc_mutex_lock( &p_mlist->object_lock ); p_mlist->i_refcount--; if( p_mlist->i_refcount > 0 ) { - vlc_mutex_unlock( &p_mlist->object_lock ); + vlc_mutex_unlock( &p_mlist->object_lock ); return; } - vlc_mutex_unlock( &p_mlist->object_lock ); + vlc_mutex_unlock( &p_mlist->object_lock ); /* Refcount null, time to free */ - if( p_mlist->p_media_provider ) - libvlc_media_list_release( p_mlist->p_media_provider ); - - if( p_mlist->p_query ) - libvlc_tag_query_release( p_mlist->p_query ); libvlc_event_manager_release( p_mlist->p_event_manager ); - FOREACH_ARRAY( p_md, p_mlist->items ) - uninstall_media_descriptor_observer( p_mlist, p_md ); - libvlc_media_descriptor_release( p_md ); - FOREACH_END() - + if( p_mlist->p_md ) + libvlc_media_release( p_mlist->p_md ); + + for ( i = 0; i < vlc_array_count( &p_mlist->items ); i++ ) + { + p_md = vlc_array_item_at_index( &p_mlist->items, i ); + libvlc_media_release( p_md ); + } + + vlc_mutex_destroy( &p_mlist->object_lock ); + vlc_array_clear( &p_mlist->items ); + free( p_mlist ); } + /************************************************************************** * libvlc_media_list_retain (Public) * @@ -326,6 +211,88 @@ void libvlc_media_list_retain( libvlc_media_list_t * p_mlist ) vlc_mutex_unlock( &p_mlist->object_lock ); } + +/************************************************************************** + * add_file_content (Public) + **************************************************************************/ +void +libvlc_media_list_add_file_content( libvlc_media_list_t * p_mlist, + const char * psz_uri, + libvlc_exception_t * p_e ) +{ + input_item_t * p_input_item; + libvlc_media_t * p_md; + + p_input_item = input_ItemNewExt( p_mlist->p_libvlc_instance->p_libvlc_int, psz_uri, + _("Media Library"), 0, NULL, -1 ); + + if( !p_input_item ) + { + libvlc_exception_raise( p_e, "Can't create an input item" ); + return; + } + + p_md = libvlc_media_new_from_input_item( + p_mlist->p_libvlc_instance, + p_input_item, p_e ); + + if( !p_md ) + { + vlc_gc_decref( p_input_item ); + return; + } + + libvlc_media_list_add_media( p_mlist, p_md, p_e ); + if( libvlc_exception_raised( p_e ) ) + return; + + input_Read( p_mlist->p_libvlc_instance->p_libvlc_int, p_input_item, true ); + + return; +} + +/************************************************************************** + * set_media (Public) + **************************************************************************/ +void libvlc_media_list_set_media( libvlc_media_list_t * p_mlist, + libvlc_media_t * p_md, + libvlc_exception_t * p_e) + +{ + (void)p_e; + vlc_mutex_lock( &p_mlist->object_lock ); + if( p_mlist->p_md ) + libvlc_media_release( p_mlist->p_md ); + libvlc_media_retain( p_md ); + p_mlist->p_md = p_md; + vlc_mutex_unlock( &p_mlist->object_lock ); +} + +/************************************************************************** + * media (Public) + * + * If this media_list comes is a media's subitems, + * This holds the corresponding media. + * This md is also seen as the information holder for the media_list. + * Indeed a media_list can have meta information through this + * media. + **************************************************************************/ +libvlc_media_t * +libvlc_media_list_media( libvlc_media_list_t * p_mlist, + libvlc_exception_t * p_e) +{ + libvlc_media_t *p_md; + (void)p_e; + + vlc_mutex_lock( &p_mlist->object_lock ); + p_md = p_mlist->p_md; + if( p_md ) + libvlc_media_retain( p_md ); + vlc_mutex_unlock( &p_mlist->object_lock ); + + return p_md; +} + /************************************************************************** * libvlc_media_list_count (Public) * @@ -335,43 +302,76 @@ int libvlc_media_list_count( libvlc_media_list_t * p_mlist, libvlc_exception_t * p_e ) { (void)p_e; - return p_mlist->items.i_size; + return vlc_array_count( &p_mlist->items ); } /************************************************************************** - * libvlc_media_list_add_media_descriptor (Public) + * libvlc_media_list_add_media (Public) * * Lock should be hold when entering. **************************************************************************/ -void libvlc_media_list_add_media_descriptor( +void libvlc_media_list_add_media( + libvlc_media_list_t * p_mlist, + libvlc_media_t * p_md, + libvlc_exception_t * p_e ) +{ + if( p_mlist->b_read_only ) + { + /* We are read only from user side */ + libvlc_exception_raise( p_e, "Trying to write into a read-only media list." ); + return; + } + + _libvlc_media_list_add_media( p_mlist, p_md, p_e ); +} + +/* LibVLC internal version */ +void _libvlc_media_list_add_media( libvlc_media_list_t * p_mlist, - libvlc_media_descriptor_t * p_md, + libvlc_media_t * p_md, libvlc_exception_t * p_e ) { (void)p_e; - libvlc_media_descriptor_retain( p_md ); - ARRAY_APPEND( p_mlist->items, p_md ); - notify_item_addition( p_mlist, p_md, p_mlist->items.i_size-1 ); - install_media_descriptor_observer( p_mlist, p_md ); + libvlc_media_retain( p_md ); + + notify_item_addition( p_mlist, p_md, vlc_array_count( &p_mlist->items ), EventWillHappen ); + vlc_array_append( &p_mlist->items, p_md ); + notify_item_addition( p_mlist, p_md, vlc_array_count( &p_mlist->items )-1, EventDidHappen ); } /************************************************************************** - * libvlc_media_list_insert_media_descriptor (Public) + * libvlc_media_list_insert_media (Public) * * Lock should be hold when entering. **************************************************************************/ -void libvlc_media_list_insert_media_descriptor( +void libvlc_media_list_insert_media( + libvlc_media_list_t * p_mlist, + libvlc_media_t * p_md, + int index, + libvlc_exception_t * p_e ) +{ + if( p_mlist->b_read_only ) + { + /* We are read only from user side */ + libvlc_exception_raise( p_e, "Trying to write into a read-only media list." ); + return; + } + _libvlc_media_list_insert_media( p_mlist, p_md, index, p_e ); +} + +/* LibVLC internal version */ +void _libvlc_media_list_insert_media( libvlc_media_list_t * p_mlist, - libvlc_media_descriptor_t * p_md, + libvlc_media_t * p_md, int index, libvlc_exception_t * p_e ) { (void)p_e; - libvlc_media_descriptor_retain( p_md ); + libvlc_media_retain( p_md ); - ARRAY_INSERT( p_mlist->items, p_md, index); - notify_item_addition( p_mlist, p_md, index ); - install_media_descriptor_observer( p_mlist, p_md ); + notify_item_addition( p_mlist, p_md, index, EventWillHappen ); + vlc_array_insert( &p_mlist->items, p_md, index ); + notify_item_addition( p_mlist, p_md, index, EventDidHappen ); } /************************************************************************** @@ -383,16 +383,36 @@ void libvlc_media_list_remove_index( libvlc_media_list_t * p_mlist, int index, libvlc_exception_t * p_e ) { - libvlc_media_descriptor_t * p_md; + if( p_mlist->b_read_only ) + { + /* We are read only from user side */ + libvlc_exception_raise( p_e, "Trying to write into a read-only media list." ); + return; + } + _libvlc_media_list_remove_index( p_mlist, index, p_e ); +} - p_md = ARRAY_VAL( p_mlist->items, index ); +/* LibVLC internal version */ +void _libvlc_media_list_remove_index( libvlc_media_list_t * p_mlist, + int index, + libvlc_exception_t * p_e ) +{ - uninstall_media_descriptor_observer( p_mlist, p_md ); + libvlc_media_t * p_md; - ARRAY_REMOVE( p_mlist->items, index ) - notify_item_deletion( p_mlist, p_md, index ); + if( index < 0 || index >= vlc_array_count( &p_mlist->items )) + { + libvlc_exception_raise( p_e, "Index out of bounds exception"); + return; + } + + p_md = vlc_array_item_at_index( &p_mlist->items, index ); + + notify_item_deletion( p_mlist, p_md, index, EventWillHappen ); + vlc_array_remove( &p_mlist->items, index ); + notify_item_deletion( p_mlist, p_md, index, EventDidHappen ); - libvlc_media_descriptor_release( p_md ); + libvlc_media_release( p_md ); } /************************************************************************** @@ -400,13 +420,22 @@ void libvlc_media_list_remove_index( libvlc_media_list_t * p_mlist, * * Lock should be hold when entering. **************************************************************************/ -libvlc_media_descriptor_t * +libvlc_media_t * libvlc_media_list_item_at_index( libvlc_media_list_t * p_mlist, int index, libvlc_exception_t * p_e ) { - libvlc_media_descriptor_t * p_md = ARRAY_VAL( p_mlist->items, index ); - libvlc_media_descriptor_retain( p_md ); + VLC_UNUSED(p_e); + + if( index < 0 || index >= vlc_array_count( &p_mlist->items )) + { + libvlc_exception_raise( p_e, "Index out of bounds exception"); + return NULL; + } + + libvlc_media_t * p_md; + p_md = vlc_array_item_at_index( &p_mlist->items, index ); + libvlc_media_retain( p_md ); return p_md; } @@ -417,17 +446,32 @@ libvlc_media_list_item_at_index( libvlc_media_list_t * p_mlist, * Warning: this function would return the first matching item **************************************************************************/ int libvlc_media_list_index_of_item( libvlc_media_list_t * p_mlist, - libvlc_media_descriptor_t * p_searched_md, + libvlc_media_t * p_searched_md, libvlc_exception_t * p_e ) { - libvlc_media_descriptor_t * p_md; - FOREACH_ARRAY( p_md, p_mlist->items ) + VLC_UNUSED(p_e); + + libvlc_media_t * p_md; + int i; + for ( i = 0; i < vlc_array_count( &p_mlist->items ); i++ ) + { + p_md = vlc_array_item_at_index( &p_mlist->items, i ); if( p_searched_md == p_md ) - return fe_idx; /* Once more, we hate macro for that */ - FOREACH_END() + return i; + } return -1; } +/************************************************************************** + * libvlc_media_list_is_readonly (Public) + * + * This indicates if this media list is read-only from a user point of view + **************************************************************************/ +int libvlc_media_list_is_readonly( libvlc_media_list_t * p_mlist ) +{ + return p_mlist->b_read_only; +} + /************************************************************************** * libvlc_media_list_lock (Public) * @@ -451,7 +495,6 @@ void libvlc_media_list_unlock( libvlc_media_list_t * p_mlist ) } - /************************************************************************** * libvlc_media_list_p_event_manager (Public) * @@ -464,66 +507,3 @@ libvlc_media_list_event_manager( libvlc_media_list_t * p_mlist, (void)p_e; return p_mlist->p_event_manager; } - -/************************************************************************** - * libvlc_media_list_dynamic_sublist (Public) - * - * Lock should be hold when entering. - **************************************************************************/ -libvlc_media_list_t * -libvlc_media_list_dynamic_sublist( libvlc_media_list_t * p_mlist, - libvlc_tag_query_t * p_query, - libvlc_exception_t * p_e ) -{ - libvlc_media_list_t * p_submlist; - libvlc_event_manager_t * p_em; - int count, i; - - (void)p_e; - - p_submlist = libvlc_media_list_new( p_mlist->p_libvlc_instance, p_e ); - if( !p_submlist ) - { - if( !libvlc_exception_raised( p_e ) ) - libvlc_exception_raise( p_e, "Can't get the new media_list" ); - return NULL; - } - - /* We have a query */ - libvlc_tag_query_retain( p_query ); - p_submlist->p_query = p_query; - - /* We have a media provider */ - libvlc_media_list_retain( p_mlist ); - p_submlist->p_media_provider = p_mlist; - - - libvlc_media_list_lock( p_submlist ); - - count = libvlc_media_list_count( p_mlist, p_e ); - - /* This should be running in a thread, a good plan to achieve that - * move all the dynamic code to libvlc_tag_query. */ - for( i = 0; i < count; i++ ) - { - libvlc_media_descriptor_t * p_md; - p_md = libvlc_media_list_item_at_index( p_mlist, i, p_e ); - if( libvlc_tag_query_match( p_query, p_md, NULL ) ) - libvlc_media_list_add_media_descriptor( p_submlist, p_md, p_e ); - } - - /* And we will listen to its event, so we can update p_submlist - * accordingly */ - p_em = libvlc_media_list_event_manager( p_mlist, p_e ); - libvlc_event_attach( p_em, libvlc_MediaListItemAdded, - dynamic_list_propose_item, p_submlist, p_e ); - libvlc_event_attach( p_em, libvlc_MediaListItemDeleted, - dynamic_list_remove_item, p_submlist, p_e ); - libvlc_event_attach( p_em, libvlc_MediaListItemChanged, - dynamic_list_change_item, p_submlist, p_e ); - - libvlc_media_list_unlock( p_submlist ); - - return p_submlist; -} -