视频生成接口

NUWA 提供统一的视频生成接口，兼容 OpenAI SDK。支持以下多种主流模型：

OpenAI Sora 系列 ：

• sora-2
• sora-2-pro

Gemini Veo 系列 ：

• veo3.1
• veo3.1-pro
• veo3.1-components

Sora 视频生成

from openai import OpenAI
import requests
from io import BytesIO
from PIL import Image

client = OpenAI(
    base_url="https://api.nuwaapi.com/v1/",
    api_key="API_KEY"
)

def prepare_image(image_url, save_path="input_ref.png"):
    """下载参考图片（可选）"""
    if not image_url:
        return None
    resp = requests.get(image_url)
    img = Image.open(BytesIO(resp.content)).convert("RGB")
    img.save(save_path)
    return save_path

def test_sora_model(prompt="测试视频：日落海边，一位画家在沙滩上作画，镜头从远景推进到近景"):
    video_params = {
        "model": "sora-2",
        "prompt": prompt,
        "seconds": "4",      # 4/8/12 可选
        "size": "720x1280",  # 720x1280 或 1280x720
    }

    # 可选参考图，留空则不带参考图
    image_url = "https://example.com/your_image.png"
    ref_path = prepare_image(image_url) if image_url else None
    if ref_path:
        video_params["input_reference"] = open(ref_path, "rb")

    video = client.videos.create(**video_params)
    print("任务 ID:", video.id)

    # 轮询状态
    import time
    while True:
        info = client.videos.retrieve(video.id)
        print("状态:", info.status)
        if info.status in ("completed", "failed", "canceled"):
            break
        time.sleep(5)

    if info.status == "completed":
        filename = "sora_test_video.mp4"
        resp = client.videos.download_content(video_id=video.id)
        with open(filename, "wb") as f:
            f.write(resp.read())
        print(f"✅ 视频生成完成: {filename}")
    else:
        print(f"❌ 视频生成失败，状态: {info.status}")

if __name__ == "__main__":
    test_sora_model()

Veo 视频生成

from openai import OpenAI
import re
import requests

client = OpenAI(
    base_url="https://api.nuwaapi.com/v1/",
    api_key="API_KEY"
)

prompt_text = "生成一个10秒的治愈风格小猫追蝴蝶的视频"
duration = "10s"
resolution = "1920x1080"
style = "治愈, 甜美"
fps = 30
video_format = "mp4"

completion = client.chat.completions.create(
    model="veo3.1",
    messages=[
        {
            "role": "system",
            "content": (
                "You are a video assistant. "
                "You only respond with video generation task info. "
                "Include prompt, duration, resolution, style, fps, format, and video URL when available."
            )
        },
        {
            "role": "user",
            "content": (
                f"生成视频:\n"
                f"prompt: {prompt_text}\n"
                f"duration: {duration}\n"
                f"resolution: {resolution}\n"
                f"style: {style}\n"
                f"fps: {fps}\n"
                f"format: {video_format}"
            )
        }
    ],
    max_tokens=12800
)

response_text = completion.choices[0].message.content
print("Chat 输出:", response_text)

match = re.search(r'\\[▶️ 在线观看\\]\\((.*?)\\)', response_text or "")
video_url = match.group(1) if match else None
print("视频 URL:", video_url if video_url else "未找到视频 URL")

if video_url:
    r = requests.get(video_url)
    filename = f"output.{video_format}"
    with open(filename, "wb") as f:
        f.write(r.content)
    print(f"视频已保存为 {filename}")