97 lines
3.5 KiB
TypeScript
97 lines
3.5 KiB
TypeScript
import { auth } from "@/app/(auth)/auth";
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import { NextResponse } from "next/server";
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import { mkdtemp, readFile, rm } from "node:fs/promises";
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import { tmpdir } from "node:os";
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import { join } from "node:path";
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import { randomUUID } from "node:crypto";
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import { uploadFile } from "@/lib/storage/service";
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import { downloadCanvasMedia } from "@/lib/video-canvas/download-media";
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import { processVideoFile } from "@/lib/video-canvas/media-processing";
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import { videoProcessSchema } from "@/lib/video-canvas/media-contract";
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export const runtime = "nodejs";
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export const maxDuration = 300;
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const running = new Set<string>();
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export async function POST(request: Request) {
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const session = await auth();
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if (!session?.user?.id)
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return NextResponse.json({ success: false, error: "未登录" }, { status: 401 });
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const parsed = videoProcessSchema.safeParse(await request.json().catch(() => null));
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if (!parsed.success)
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return NextResponse.json({ success: false, error: "视频处理参数无效" }, { status: 400 });
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if (running.has(session.user.id) || running.size >= 2)
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return NextResponse.json(
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{ success: false, error: "视频处理中，请稍后再提交" },
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{ status: 429 },
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);
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running.add(session.user.id);
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let dir = "";
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try {
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dir = await mkdtemp(join(tmpdir(), "canvas-video-"));
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const input = join(dir, "input");
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await downloadCanvasMedia(parsed.data.url, input);
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const save = async (name: string) => {
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const buffer = await readFile(join(dir, name));
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return (
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await uploadFile(`canvas-video-${randomUUID()}-${name}`, new Uint8Array(buffer).buffer)
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).url;
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};
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if (parsed.data.operation === "frame" || parsed.data.operation === "slow") {
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const name = parsed.data.operation === "frame" ? "frame.png" : "slow.mp4";
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const metadata = await processVideoFile(
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input,
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join(dir, name),
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parsed.data.operation,
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undefined,
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undefined,
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parsed.data,
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);
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return NextResponse.json({ success: true, data: { url: await save(name), ...metadata } });
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}
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if (parsed.data.operation === "trim") {
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const metadata = await processVideoFile(
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input,
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join(dir, "clip.mp4"),
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"trim",
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undefined,
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parsed.data.range,
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);
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return NextResponse.json({
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success: true,
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data: { url: await save("clip.mp4"), ...metadata },
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});
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}
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if (parsed.data.operation === "crop") {
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const metadata = await processVideoFile(
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input,
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join(dir, "crop.mp4"),
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"crop",
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parsed.data.rect,
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);
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return NextResponse.json({
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success: true,
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data: { url: await save("crop.mp4"), ...metadata },
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});
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}
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const metadata = await processVideoFile(input, join(dir, "audio.m4a"), "extract-audio");
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await processVideoFile(input, join(dir, "silent.mp4"), "silent-video");
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return NextResponse.json({
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success: true,
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data: { audioUrl: await save("audio.m4a"), url: await save("silent.mp4"), ...metadata },
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});
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} catch (error) {
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const message = error instanceof Error ? error.message : "视频处理失败";
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return NextResponse.json(
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{
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success: false,
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error: message.startsWith("Command failed")
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? "视频处理失败，请确认文件完整且格式受支持"
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: message,
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},
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{ status: 400 },
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);
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} finally {
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running.delete(session.user.id);
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if (dir) await rm(dir, { recursive: true, force: true });
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}
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}
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