/************************************************************************** * Delete a media descriptor object **************************************************************************/ void libvlc_media_release( libvlc_media_t *p_md ) { if (!p_md) return; p_md->i_refcount--; if( p_md->i_refcount > 0 ) return; if( p_md->p_subitems ) libvlc_media_list_release( p_md->p_subitems ); uninstall_input_item_observer( p_md ); vlc_gc_decref( p_md->p_input_item ); vlc_cond_destroy( &p_md->parsed_cond ); vlc_mutex_destroy( &p_md->parsed_lock ); /* Construct the event */ libvlc_event_t event; event.type = libvlc_MediaFreed; event.u.media_freed.md = p_md; /* Send the event */ libvlc_event_send( p_md->p_event_manager, &event ); libvlc_event_manager_release( p_md->p_event_manager ); free( p_md ); }
/************************************************************************** * Destroy a Media Instance object (libvlc internal) * * Warning: No lock held here, but hey, this is internal. Caller must lock. **************************************************************************/ static void libvlc_media_player_destroy( libvlc_media_player_t *p_mi ) { assert( p_mi ); /* Detach Callback from the main libvlc object */ var_DelCallback( p_mi->p_libvlc, "snapshot-file", snapshot_was_taken, p_mi ); /* No need for lock_input() because no other threads knows us anymore */ if( p_mi->input.p_thread ) release_input_thread(p_mi, true); if( p_mi->input.p_resource ) { input_resource_Terminate( p_mi->input.p_resource ); input_resource_Release( p_mi->input.p_resource ); p_mi->input.p_resource = NULL; } vlc_mutex_destroy( &p_mi->input.lock ); libvlc_event_manager_release( p_mi->p_event_manager ); libvlc_media_release( p_mi->p_md ); vlc_mutex_destroy( &p_mi->object_lock ); libvlc_instance_t *instance = p_mi->p_libvlc_instance; vlc_object_release( p_mi ); libvlc_release(instance); }
/************************************************************************** * libvlc_media_list_release (Public) * * Release an object. **************************************************************************/ void libvlc_media_list_release( libvlc_media_list_t * p_mlist ) { libvlc_media_t * p_md; int i; vlc_mutex_lock( &p_mlist->refcount_lock ); p_mlist->i_refcount--; if( p_mlist->i_refcount > 0 ) { vlc_mutex_unlock( &p_mlist->refcount_lock ); return; } vlc_mutex_unlock( &p_mlist->refcount_lock ); /* Refcount null, time to free */ libvlc_event_manager_release( p_mlist->p_event_manager ); 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 ); }
/************************************************************************** * new (Public) **************************************************************************/ libvlc_media_list_player_t * libvlc_media_list_player_new(libvlc_instance_t * p_instance) { libvlc_media_list_player_t * p_mlp; p_mlp = calloc( 1, sizeof(libvlc_media_list_player_t) ); if (unlikely(p_mlp == NULL)) { libvlc_printerr("Not enough memory"); return NULL; } p_mlp->i_refcount = 1; p_mlp->seek_offset = 0; vlc_mutex_init(&p_mlp->object_lock); vlc_mutex_init(&p_mlp->mp_callback_lock); vlc_cond_init(&p_mlp->seek_pending); p_mlp->p_event_manager = libvlc_event_manager_new(p_mlp); if (unlikely(p_mlp->p_event_manager == NULL)) goto error; /* Create the underlying media_player */ p_mlp->p_mi = libvlc_media_player_new(p_instance); if( p_mlp->p_mi == NULL ) { libvlc_event_manager_release(p_mlp->p_event_manager); goto error; } install_media_player_observer(p_mlp); if (vlc_clone(&p_mlp->thread, playlist_thread, p_mlp, VLC_THREAD_PRIORITY_LOW)) { libvlc_media_player_release(p_mlp->p_mi); libvlc_event_manager_release(p_mlp->p_event_manager); goto error; } return p_mlp; error: vlc_cond_destroy(&p_mlp->seek_pending); vlc_mutex_destroy(&p_mlp->mp_callback_lock); vlc_mutex_destroy(&p_mlp->object_lock); free(p_mlp); return NULL; }
/************************************************************************** * release (Public) **************************************************************************/ void libvlc_media_library_release( libvlc_media_library_t * p_mlib ) { p_mlib->i_refcount--; if( p_mlib->i_refcount > 0 ) return; libvlc_event_manager_release( p_mlib->p_event_manager ); free( p_mlib ); }
/************************************************************************** * release (Public) **************************************************************************/ void libvlc_media_discoverer_release( libvlc_media_discoverer_t * p_mdis ) { int i; vlc_event_detach( services_discovery_EventManager( p_mdis->p_sd ), vlc_ServicesDiscoveryItemAdded, services_discovery_item_added, p_mdis ); vlc_event_detach( services_discovery_EventManager( p_mdis->p_sd ), vlc_ServicesDiscoveryItemRemoved, services_discovery_item_removed, p_mdis ); vlc_event_detach( services_discovery_EventManager( p_mdis->p_sd ), vlc_ServicesDiscoveryStarted, services_discovery_started, p_mdis ); vlc_event_detach( services_discovery_EventManager( p_mdis->p_sd ), vlc_ServicesDiscoveryEnded, services_discovery_ended, p_mdis ); vlc_event_detach( services_discovery_EventManager( p_mdis->p_sd ), vlc_ServicesDiscoveryItemRemoveAll, services_discovery_removeall, p_mdis ); libvlc_media_list_release( p_mdis->p_mlist ); if( p_mdis->running ) vlc_sd_Stop( p_mdis->p_sd ); vlc_sd_Destroy( p_mdis->p_sd ); /* Free catname_to_submedialist and all the mlist */ char ** all_keys = vlc_dictionary_all_keys( &p_mdis->catname_to_submedialist ); for( i = 0; all_keys[i]; i++ ) { libvlc_media_list_t * p_catmlist = vlc_dictionary_value_for_key( &p_mdis->catname_to_submedialist, all_keys[i] ); libvlc_media_list_release( p_catmlist ); free( all_keys[i] ); } free( all_keys ); vlc_dictionary_clear( &p_mdis->catname_to_submedialist, NULL, NULL ); libvlc_event_manager_release( p_mdis->p_event_manager ); libvlc_release( p_mdis->p_libvlc_instance ); free( p_mdis ); }
static void libvlc_vlm_release_internal( libvlc_instance_t *p_instance ) { vlm_t *p_vlm = p_instance->libvlc_vlm.p_vlm; if( !p_instance->libvlc_vlm.p_vlm ) return; /* We need to remove medias in order to receive events */ vlm_Control( p_vlm, VLM_CLEAR_MEDIAS ); vlm_Control( p_vlm, VLM_CLEAR_SCHEDULES ); var_DelCallback( (vlc_object_t *)p_vlm, "intf-event", VlmEvent, p_instance->libvlc_vlm.p_event_manager ); p_instance->libvlc_vlm.pf_release = NULL; libvlc_event_manager_release( p_instance->libvlc_vlm.p_event_manager ); p_instance->libvlc_vlm.p_event_manager = NULL; vlm_Delete( p_vlm ); p_instance->libvlc_vlm.p_vlm = NULL; }
/************************************************************************** * libvlc_media_list_view_release (Public) **************************************************************************/ void libvlc_media_list_view_release( libvlc_media_list_view_t * p_mlv ) { vlc_mutex_lock( &p_mlv->object_lock ); p_mlv->i_refcount--; if( p_mlv->i_refcount > 0 ) { vlc_mutex_unlock( &p_mlv->object_lock ); return; } vlc_mutex_unlock( &p_mlv->object_lock ); /* Refcount null, time to free */ libvlc_media_list_lock( p_mlv->p_mlist ); if( p_mlv->pf_ml_item_added ) { libvlc_event_detach( p_mlv->p_mlist->p_event_manager, libvlc_MediaListItemAdded, media_list_item_added, p_mlv, NULL ); } if( p_mlv->pf_ml_item_removed ) { libvlc_event_detach( p_mlv->p_mlist->p_event_manager, libvlc_MediaListItemDeleted, media_list_item_removed, p_mlv, NULL ); } int i, count = libvlc_media_list_count( p_mlv->p_mlist, NULL ); for( i = 0; i < count; i++) { libvlc_media_t * p_md; p_md = libvlc_media_list_item_at_index( p_mlv->p_mlist, i, NULL ); uninstall_md_listener( p_mlv, p_md ); libvlc_media_release( p_md ); } libvlc_media_list_unlock( p_mlv->p_mlist ); libvlc_event_manager_release( p_mlv->p_event_manager ); if( p_mlv->pf_release ) p_mlv->pf_release( p_mlv ); libvlc_media_list_release( p_mlv->p_mlist ); vlc_mutex_destroy( &p_mlv->object_lock ); }
/************************************************************************** * libvlc_media_list_new (Public) * * Init an object. **************************************************************************/ libvlc_media_list_t * libvlc_media_list_new( libvlc_instance_t * p_inst, libvlc_exception_t * p_e ) { libvlc_media_list_t * p_mlist; p_mlist = malloc(sizeof(libvlc_media_list_t)); 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_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 ) ) { libvlc_event_manager_release( p_mlist->p_event_manager ); free( p_mlist ); return NULL; } vlc_mutex_init( &p_mlist->object_lock ); vlc_mutex_init( &p_mlist->refcount_lock ); // FIXME: spinlock? vlc_array_init( &p_mlist->items ); p_mlist->i_refcount = 1; p_mlist->p_md = NULL; return p_mlist; }
/************************************************************************** * release (Public) **************************************************************************/ void libvlc_media_list_player_release(libvlc_media_list_player_t * p_mlp) { if (!p_mlp) return; lock(p_mlp); p_mlp->i_refcount--; if (p_mlp->i_refcount > 0) { unlock(p_mlp); return; } assert(p_mlp->i_refcount == 0); unlock(p_mlp); vlc_cancel(p_mlp->thread); vlc_join(p_mlp->thread, NULL); lock(p_mlp); /* Keep the lock(), because the uninstall functions * check for it. That's convenient. */ uninstall_media_player_observer(p_mlp); libvlc_media_player_release(p_mlp->p_mi); if (p_mlp->p_mlist) { uninstall_playlist_observer(p_mlp); libvlc_media_list_release(p_mlp->p_mlist); } unlock(p_mlp); libvlc_event_manager_release(p_mlp->p_event_manager); vlc_cond_destroy(&p_mlp->seek_pending); vlc_mutex_destroy(&p_mlp->mp_callback_lock); vlc_mutex_destroy(&p_mlp->object_lock); free(p_mlp->current_playing_item_path); free(p_mlp); }
/************************************************************************** * new (Public) * * Init an object. **************************************************************************/ libvlc_media_discoverer_t * libvlc_media_discoverer_new_from_name( libvlc_instance_t * p_inst, const char * psz_name ) { libvlc_media_discoverer_t * p_mdis; p_mdis = malloc(sizeof(libvlc_media_discoverer_t)); if( unlikely(!p_mdis) ) { libvlc_printerr( "Not enough memory" ); return NULL; } p_mdis->p_libvlc_instance = p_inst; p_mdis->p_mlist = libvlc_media_list_new( p_inst ); p_mdis->p_mlist->b_read_only = true; p_mdis->running = false; vlc_dictionary_init( &p_mdis->catname_to_submedialist, 0 ); p_mdis->p_event_manager = libvlc_event_manager_new( p_mdis, p_inst ); if( unlikely(p_mdis->p_event_manager == NULL) ) { free( p_mdis ); return NULL; } libvlc_event_manager_register_event_type( p_mdis->p_event_manager, libvlc_MediaDiscovererStarted ); libvlc_event_manager_register_event_type( p_mdis->p_event_manager, libvlc_MediaDiscovererEnded ); p_mdis->p_sd = vlc_sd_Create( (vlc_object_t*)p_inst->p_libvlc_int, psz_name ); if( unlikely(p_mdis->p_sd == NULL) ) { libvlc_printerr( "%s: no such discovery module found", psz_name ); libvlc_media_list_release( p_mdis->p_mlist ); libvlc_event_manager_release( p_mdis->p_event_manager ); free( p_mdis ); return NULL; } vlc_event_attach( services_discovery_EventManager( p_mdis->p_sd ), vlc_ServicesDiscoveryItemAdded, services_discovery_item_added, p_mdis ); vlc_event_attach( services_discovery_EventManager( p_mdis->p_sd ), vlc_ServicesDiscoveryItemRemoved, services_discovery_item_removed, p_mdis ); vlc_event_attach( services_discovery_EventManager( p_mdis->p_sd ), vlc_ServicesDiscoveryStarted, services_discovery_started, p_mdis ); vlc_event_attach( services_discovery_EventManager( p_mdis->p_sd ), vlc_ServicesDiscoveryEnded, services_discovery_ended, p_mdis ); vlc_event_attach( services_discovery_EventManager( p_mdis->p_sd ), vlc_ServicesDiscoveryItemRemoveAll, services_discovery_removeall, p_mdis ); /* Here we go */ if( !vlc_sd_Start( p_mdis->p_sd ) ) { libvlc_printerr( "%s: internal module error", p_mdis->p_sd->psz_name ); libvlc_media_list_release( p_mdis->p_mlist ); libvlc_event_manager_release( p_mdis->p_event_manager ); free( p_mdis ); return NULL; } return p_mdis; }
/************************************************************************** * new (Public) **************************************************************************/ libvlc_media_discoverer_t * libvlc_media_discoverer_new( libvlc_instance_t * p_inst, const char * psz_name ) { /* podcast SD is a hack and only works with custom playlist callbacks. */ if( !strncasecmp( psz_name, "podcast", 7 ) ) return NULL; libvlc_media_discoverer_t *p_mdis = malloc(sizeof(*p_mdis)); if( unlikely(!p_mdis) ) { libvlc_printerr( "Not enough memory" ); return NULL; } p_mdis->p_libvlc_instance = p_inst; p_mdis->p_mlist = libvlc_media_list_new( p_inst ); p_mdis->p_mlist->b_read_only = true; p_mdis->running = false; vlc_dictionary_init( &p_mdis->catname_to_submedialist, 0 ); p_mdis->p_event_manager = libvlc_event_manager_new( p_mdis ); if( unlikely(p_mdis->p_event_manager == NULL) ) { free( p_mdis ); return NULL; } p_mdis->p_sd = vlc_sd_Create( (vlc_object_t*)p_inst->p_libvlc_int, psz_name ); if( unlikely(p_mdis->p_sd == NULL) ) { libvlc_printerr( "%s: no such discovery module found", psz_name ); libvlc_media_list_release( p_mdis->p_mlist ); libvlc_event_manager_release( p_mdis->p_event_manager ); free( p_mdis ); return NULL; } vlc_event_attach( services_discovery_EventManager( p_mdis->p_sd ), vlc_ServicesDiscoveryItemAdded, services_discovery_item_added, p_mdis ); vlc_event_attach( services_discovery_EventManager( p_mdis->p_sd ), vlc_ServicesDiscoveryItemRemoved, services_discovery_item_removed, p_mdis ); vlc_event_attach( services_discovery_EventManager( p_mdis->p_sd ), vlc_ServicesDiscoveryStarted, services_discovery_started, p_mdis ); vlc_event_attach( services_discovery_EventManager( p_mdis->p_sd ), vlc_ServicesDiscoveryEnded, services_discovery_ended, p_mdis ); vlc_event_attach( services_discovery_EventManager( p_mdis->p_sd ), vlc_ServicesDiscoveryItemRemoveAll, services_discovery_removeall, p_mdis ); libvlc_retain( p_inst ); return p_mdis; }