Exemplos de gf_node_get_num_instances em C++ (Cpp)

Exemplo n.º 1

static Bool gf_smil_discard(SMIL_Timing_RTI *rti, Fixed scene_time)
{
	u32 nb_inst;
	SMIL_Time *begin;
	SMILTimingAttributesPointers *timingp = rti->timingp;
	GF_Node *target;
	u32 tag = gf_node_get_tag(rti->timed_elt);

	if (!timingp) return 0;
	
	if ((tag>=GF_NODE_RANGE_FIRST_SVG) && (tag<=GF_NODE_RANGE_LAST_SVG)) {
		target = ((SVGTimedAnimBaseElement *)rti->timed_elt)->xlinkp->href->target;
	} 
#ifdef GPAC_ENABLE_SVG_SA
	else if ((tag>=GF_NODE_RANGE_FIRST_SVG_SA) && (tag<=GF_NODE_RANGE_LAST_SVG_SA)) {
		target = ((SVG_SA_Element *)rti->timed_elt)->xlinkp->href->target;
	} 
#endif
#ifdef GPAC_ENABLE_SVG_SANI
	else if ((tag>=GF_NODE_RANGE_FIRST_SVG_SANI) && (tag<=GF_NODE_RANGE_LAST_SVG_SANI)) {
		target = ((SVG_SANI_Element *)rti->timed_elt)->xlinkp->href->target;
	}
#endif
	else {
		return 0;
	}
	
	begin = (timingp->begin ? (SMIL_Time *)gf_list_get(*timingp->begin, 0) : NULL);

	if (!begin) return 0;
	if (!GF_SMIL_TIME_IS_CLOCK(begin->type) ) return 0;
	if (!target) return 0;

	if (begin->clock > scene_time) return 0;

	GF_LOG(GF_LOG_DEBUG, GF_LOG_COMPOSE, ("[SVG Composer] discarding element %s at time %f\n", gf_node_get_name(target), scene_time));
	
	/*this takes care of cases where discard is a child of its target*/
	gf_node_register(rti->timed_elt, NULL);
	nb_inst = gf_node_get_num_instances(rti->timed_elt);
	gf_node_replace(target, NULL, 0);
	if (nb_inst == gf_node_get_num_instances(rti->timed_elt)) {
		gf_node_unregister(rti->timed_elt, NULL);
		/*after this the stack may be free'd*/
		gf_node_replace(rti->timed_elt, NULL, 0);
	} else {
		gf_node_unregister(rti->timed_elt, NULL);
	}
	return 1;
}

Exemplo n.º 2

Arquivo: smil_timing.c Projeto: noelove/GPAC-old

/* evaluation function for the discard element 
   returns 1 if the discard was executed
           0 otherwise
*/
static Bool gf_smil_discard(SMIL_Timing_RTI *rti, Fixed scene_time)
{
	u32 nb_inst;
	SMIL_Time *begin;
	SVGTimedAnimBaseElement *tb = (SVGTimedAnimBaseElement *)rti->timed_elt;
	SMILTimingAttributesPointers *timingp = (SMILTimingAttributesPointers *)rti->timingp;
	GF_Node *target;

	if (!timingp) return 0;
	
	target = tb->xlinkp->href ? tb->xlinkp->href->target : NULL;

	begin = (timingp->begin ? (SMIL_Time *)gf_list_get(*timingp->begin, 0) : NULL);

	if (!begin) return 0;
	if (!GF_SMIL_TIME_IS_CLOCK(begin->type) ) return 0;

	if (begin->clock > scene_time) return 0;

	GF_LOG(GF_LOG_DEBUG, GF_LOG_SMIL, ("[SVG Composer] discarding element %s at time %f\n", target ? gf_node_get_log_name(target) : "None", scene_time));

	gf_smil_mark_modified(rti, 1);
	
	/*this takes care of cases where discard is a child of its target*/
	gf_node_register(rti->timed_elt, NULL);
	nb_inst = gf_node_get_num_instances(rti->timed_elt);
	if (target) gf_node_replace(target, NULL, 0);
	if (nb_inst == gf_node_get_num_instances(rti->timed_elt)) {
		gf_node_unregister(rti->timed_elt, NULL);
		/*after this the stack may be free'd*/
		gf_node_replace(rti->timed_elt, NULL, 0);
	} else {
		gf_node_unregister(rti->timed_elt, NULL);
	}
	return 1;
}