Function durationFromTimeline

packages/core/src/runtime/clipTree.ts:59–67

(
  el: Element,
  registry: Record<string, RuntimeTimelineLike | undefined>,
)

}

function durationFromTimeline(
  el: Element,
  registry: Record<string, RuntimeTimelineLike | undefined>,
): number | null {
  const compId = el.getAttribute("data-composition-id");
  if (!compId) return null;
  const d = Number(registry[compId]?.duration?.());
  return Number.isFinite(d) && d > 0 ? d : null;
}

function durationFromMedia(el: Element): number | null {
  if (!(el instanceof HTMLMediaElement) || !Number.isFinite(el.duration)) return null;