gen_video_status 接口文档 #

async function pollVideoStatus(draftUrl, maxAttempts = 120) {
  let attempts = 0;
  const pollInterval = 5000; // 5秒间隔
  
  while (attempts < maxAttempts) {
    try {
      const response = await fetch('/openapi/capcut-mate/v1/gen_video_status', {
        method: 'POST',
        headers: { 'Content-Type': 'application/json' },
        body: JSON.stringify({ draft_url: draftUrl })
      });
      
      const status = await response.json();
      
      console.log(`任务状态: ${status.status}, 进度: ${status.progress}%`);
      
      if (status.status === 'completed') {
        console.log('视频生成完成:', status.video_url);
        return status;
      }
      
      if (status.status === 'failed') {
        throw new Error(`任务失败: ${status.error_message}`);
      }
      
      // 等待后继续轮询
      await new Promise(resolve => setTimeout(resolve, pollInterval));
      attempts++;
      
    } catch (error) {
      console.error('查询状态失败:', error);
      attempts++;
      await new Promise(resolve => setTimeout(resolve, pollInterval));
    }
  }
  
  throw new Error('任务超时');
}

// 使用示例
const draftUrl = "https://capcut-mate.jcaigc.cn/openapi/capcut-mate/v1/get_draft?draft_id=2025092811473036584258";

try {
  const result = await pollVideoStatus(draftUrl);
  console.log('视频生成成功:', result.video_url);
} catch (error) {
  console.error('视频生成失败:', error);
}

// 完整的视频生成工作流程
async function generateVideoWorkflow(draftUrl) {
  try {
    // 1. 提交视频生成任务
    console.log('提交视频生成任务...');
    const submitResponse = await fetch('/v1/gen_video', {
      method: 'POST',
      headers: { 'Content-Type': 'application/json' },
      body: JSON.stringify({ draft_url: draftUrl })
    });
    
    const submitResult = await submitResponse.json();
    console.log(`任务已提交: ${submitResult.message}`);
    
    // 2. 轮询查询任务状态
    console.log('开始查询任务状态...');
    const finalResult = await pollVideoStatus(draftUrl);
    
    // 3. 处理完成结果
    if (finalResult.video_url) {
      console.log('视频生成成功！');
      
      // 可以进行后续操作，如下载视频
      const downloadLink = document.createElement('a');
      downloadLink.href = finalResult.video_url;
      downloadLink.download = 'generated_video.mp4';
      downloadLink.click();
      
      return finalResult.video_url;
    }
    
  } catch (error) {
    console.error('视频生成工作流程失败:', error);
    throw error;
  }
}