111 lines
3.6 KiB
TypeScript

import { NextResponse } from "next/server";
import { auth } from "@/app/(auth)/auth";
import { executeDirectVideoGeneration } from "@/lib/ai/tools/generate-video";
import { probeRemoteUrl } from "@/lib/net/url-access";
import { validateVideoReferences } from "@/lib/video-canvas/reference-input";
import type { VideoGenerationMode, VideoRatio, VideoResolution } from "@/types/ai";
export const maxDuration = 300;
interface GenerateVideoRequest {
prompt?: string;
mode?: VideoGenerationMode;
images?: string[];
audioUrls?: string[];
generateAudio?: boolean;
resolution?: VideoResolution;
ratio?: VideoRatio;
duration?: number;
watermark?: boolean;
cameraFixed?: boolean;
seed?: number;
returnLastFrame?: boolean;
preferredModelRef?: string;
}
function inferMode(images: string[]): VideoGenerationMode {
if (images.length >= 3) return "reference-images";
if (images.length >= 2) return "first-last-frame";
if (images.length === 1) return "first-frame";
return "text-to-video";
}
export async function POST(request: Request) {
try {
const session = await auth();
if (!session?.user?.id) {
return NextResponse.json(
{ success: false, error: "未登录" },
{ status: 401 }
);
}
const body = (await request.json().catch(() => ({}))) as GenerateVideoRequest;
const prompt = String(body.prompt || "").trim();
if (!prompt) {
return NextResponse.json(
{ success: false, error: "请输入视频提示词" },
{ status: 400 }
);
}
const referenceCheck = await validateVideoReferences(body.images, url => probeRemoteUrl(url, { timeoutMs: 8000 }));
if (referenceCheck.error) {
return NextResponse.json({ success: false, error: referenceCheck.error }, { status: referenceCheck.status });
}
const reachableImages = referenceCheck.images;
const mode = body.mode || inferMode(reachableImages);
const result = await executeDirectVideoGeneration({
prompt,
mode,
audioUrls: Array.isArray(body.audioUrls) ? body.audioUrls.filter(url => typeof url === "string" && /^https?:\/\//i.test(url)).slice(0, 3) : undefined,
generateAudio: body.generateAudio,
images: reachableImages,
resolution: body.resolution,
ratio: body.ratio,
duration:
typeof body.duration === "number" && Number.isFinite(body.duration)
? body.duration
: undefined,
watermark: body.watermark,
cameraFixed: body.cameraFixed,
seed:
typeof body.seed === "number" && Number.isFinite(body.seed) ? body.seed : undefined,
returnLastFrame: body.returnLastFrame,
preferredModelRef:
typeof body.preferredModelRef === "string" ? body.preferredModelRef : undefined,
});
if (!result.success || !result.videoUrl) {
return NextResponse.json(
{ success: false, error: "视频生成失败,请稍后重试" },
{ status: 502 }
);
}
return NextResponse.json({
success: true,
data: {
url: result.videoUrl,
metadata: { ...result.metadata, temporaryVideoUrl: result.videoUrl, storageStatus: result.metadata?.permanentVideoUrl === result.videoUrl ? "archived" : "temporary" },
modelDisplayName: result.modelDisplayName,
modelId: result.modelId,
modelRef: result.modelRef,
mode,
images: reachableImages,
droppedImages: [],
},
});
} catch (error) {
console.error("[Canvas Generate Video] Error:", error);
return NextResponse.json(
{
success: false,
error: error instanceof Error ? error.message : "生成视频失败",
},
{ status: 500 }
);
}
}