OpenCut/apps/web/src/lib/timeline/index.ts

30 lines
825 B
TypeScript

import type { SceneTracks } from "./types";
export * from "./types";
export * from "./drag";
export * from "./track-capabilities";
export * from "./track-element-update";
export * from "./element-utils";
export * from "./audio-separation";
export * from "./zoom-utils";
export * from "./ruler-utils";
export * from "./pixel-utils";
export function calculateTotalDuration({
tracks,
}: {
tracks: SceneTracks;
}): number {
const orderedTracks = [...tracks.overlay, tracks.main, ...tracks.audio];
if (orderedTracks.length === 0) return 0;
const trackEndTimes = orderedTracks.map((track) =>
track.elements.reduce((maxEnd, element) => {
const elementEnd = element.startTime + element.duration;
return Math.max(maxEnd, elementEnd);
}, 0),
);
return Math.max(...trackEndTimes, 0);
}