连续场景生成

import { VideoGenerationClient, Config } from 'coze-coding-dev-sdk';

const config = new Config();
const client = new VideoGenerationClient(config);

const scenePrompts = [
  '一个女孩在森林中行走，阳光透过树叶洒下',
  '女孩发现了一座隐藏的瀑布，镜头缓慢推进',
  '女孩坐在瀑布旁，享受宁静的时光'
];

const videoUrls: string[] = [];
let lastFrameUrl: string | null = null;

for (const prompt of scenePrompts) {
  const contentItems = [
    { type: 'text', text: prompt }
  ];

  if (lastFrameUrl) {
    contentItems.unshift({
      type: 'image_url',
      image_url: { url: lastFrameUrl },
      role: 'first_frame'
    });
  }

  const response = await client.videoGeneration(contentItems, {
    model: 'doubao-seedance-1-5-pro-251215',
    resolution: '720p',
    ratio: '16:9',
    duration: 5,
    returnLastFrame: true,  // 关键：返回尾帧
  });

  if (response.videoUrl) {
    videoUrls.push(response.videoUrl);
    lastFrameUrl = response.lastFrameUrl;  // 保存尾帧
  }
}

console.log('连续视频生成完成:', videoUrls);