OpenClaw + Seedance 2.0全自动视频管线：部署架构与API接入实践

┌──────────────────────┐
│     用户输入          │  需求描述 + 参考图片
└──────────┬───────────┘
           ↓
┌──────────────────────┐
│   OpenClaw Agent     │  脚本生成 → Prompt优化 → 任务调度
│   (Docker容器)       │
└──────────┬───────────┘
           ↓
┌──────────────────────┐
│   Seedance 2.0 API   │  视频生成（火山引擎接入）
│   (外部服务)         │
└──────────┬───────────┘
           ↓
┌──────────────────────┐
│   后处理服务          │  ffmpeg拼接 + 字幕 + 过渡
│   (Docker容器)       │
└──────────┬───────────┘
           ↓
┌──────────────────────┐
│   对象存储            │  成品视频存储 + CDN分发
└──────────────────────┘

import requests
import json

VOLCENGINE_AK = "your_access_key"
VOLCENGINE_SK = "your_secret_key"
API_ENDPOINT = "https://open.volcengineapi.com/api/v1/seedance/generate"

def generate_video(prompt, ref_images=[], duration=5, resolution="2k", aspect="16:9"):
    payload = {
        "model": "seedance-2.0",
        "prompt": prompt,
        "duration": duration,
        "resolution": resolution,
        "aspect_ratio": aspect,
        "reference_images": ref_images,
        "audio_type": "auto",
        "camera_motion": "auto"
    }
    headers = {
        "Authorization": f"Bearer {get_token(VOLCENGINE_AK, VOLCENGINE_SK)}",
        "Content-Type": "application/json"
    }
    # 提交生成任务
    resp = requests.post(API_ENDPOINT, json=payload, headers=headers)
    task_id = resp.json()["task_id"]

    # 轮询等待完成
    while True:
        status = check_status(task_id)
        if status["state"] == "completed":
            return status["video_url"]
        elif status["state"] == "failed":
            raise Exception(f"生成失败: {status['error']}")
        time.sleep(5)

{
  "tools": {
    "seedance_generate": {
      "type": "api",
      "endpoint": "https://open.volcengineapi.com/api/v1/seedance/generate",
      "auth": {
        "type": "bearer",
        "token_env": "VOLCENGINE_TOKEN"
      },
      "timeout": 120000,
      "retry": 3
    }
  }
}

# docker-compose.yml
services:
  openclaw-agent:
    image: openclaw/openclaw:latest
    environment:
      - VOLCENGINE_TOKEN=${VOLCENGINE_TOKEN}
    volumes:
      - ./skills:/app/skills
      - ./output:/app/output

  ffmpeg-worker:
    image: jrottenberg/ffmpeg:latest
    volumes:
      - ./output:/output

  # 可选：队列服务，控制并发
  redis:
    image: redis:alpine
    ports:
      - "6379:6379"