45 lines
1.8 KiB
TypeScript
45 lines
1.8 KiB
TypeScript
import { type EditPlan, editPlanSchema, planTimeline, SECOND } from "./contract";
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import { materialize, probeMedia } from "./local";
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import { renderEditPlan } from "./render";
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// Shared by the local compatibility path and the isolated render service.
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export async function renderJob(
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value: EditPlan,
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userId: string,
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dir: string,
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progress: (stage: string) => Promise<void>,
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) {
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const plan = editPlanSchema.parse(value);
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planTimeline(plan);
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if (plan.assets.reduce((n, a) => n + a.duration, 0) > 1800 * SECOND)
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throw Error("素材与分离音轨总时长不能超过 30 分钟");
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const files: Record<string, string> = {};
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for (const asset of plan.assets) {
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await progress("读取原始素材");
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const media = await materialize(asset.url, userId),
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actual = await probeMedia(media.file);
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if (
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media.hash !== asset.hash ||
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Math.abs(actual.duration - asset.duration) > 100000 ||
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actual.hasAudio !== asset.hasAudio ||
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actual.width !== asset.width ||
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actual.height !== asset.height
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)
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throw Error("素材内容或参数已变化，请重新生成剪辑方案");
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files[asset.id] = media.file;
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}
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let musicFile: string | undefined;
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if (plan.music) {
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const media = await materialize(plan.music.url, userId),
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meta = await probeMedia(media.file);
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if (!meta.hasAudio || plan.music.start >= meta.duration)
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throw Error("背景音乐或起始时间无效");
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musicFile = media.file;
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}
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const rendered = await renderEditPlan(plan, files, musicFile, dir, progress);
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const actual = await probeMedia(rendered.file, 300.2);
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if (Math.abs(actual.duration / SECOND - rendered.duration) > 0.15)
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throw Error("导出时长与剪辑方案不一致，未发布结果");
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return { ...rendered, duration: actual.duration / SECOND };
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}
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