再不玩通义 VACE 模型你就过时了！一个模型搞定所有视频任务

一个美丽的动漫女孩，长长的黑发，优雅地跳舞，樱花飞舞的背景，柔和的光线，高质量动画

A cute 3D cartoon character with round white head, simple black dot eyes, and orange shirt dancing energetically on a music festival stage. The character has minimalist design with smooth white skin and white pants. Scene: outdoor music festival at night with a large stage, colorful stage lights(purple, blue, pink, yellow), crowd of silhouettes in the background, festival banners and flags. Stage has LED screens and professional lighting rigs. Camera angle: medium shot from audience perspective. The character performs dynamic dance moves - jumping, swaying side to side, arms up in the air, moving to the festival beat. Vibrant concert lighting effects, laser beams, smoke effects, energetic festival atmosphere, cheering crowd, high quality 3D render, smooth animation, party vibes.

女孩正在展示她的篮球

import requests, json, uuid, time, random, os
# 🔧 配置参数
COMFYUI_SERVER, COMFYUI_TOKEN = "输入您的服务器地址", "输入您的token"
UNET_MODEL = "wan21_vace_1_3_b.safetensors"
CLIP_MODEL = "umt5_xxl_fp8_e4m3fn.safetensors"
VAE_MODEL = "wan21_vace_vae.safetensors"
# 🎯 预设参数
IMAGE_PATH = "example.png"
PROMPT = "女孩偷偷咬一口苹果"
NEG_PROMPT = "色调艳丽，过曝，静态，细节模糊不清，字幕，风格，作品，画作，画面，静止，整体发灰，最差质量，低质量，JPEG压缩残留，丑陋的，残缺的"
class VACEClient:
    def __init__(self, server=COMFYUI_SERVER, token=COMFYUI_TOKEN):
        self.base_url, self.token, self.client_id = f"http://{server}", token, str(uuid.uuid4())
        self.headers = {"Content-Type": "application/json", **({"Authorization": f"Bearer {token}"} if token else {})}
    def upload_image(self, image_path):
        """📤 上传图片到ComfyUI"""
        if not os.path.exists(image_path):
            raise Exception(f"图片文件不存在: {image_path}")
        try:
            with open(image_path, 'rb') as f:
                files = {'image': (os.path.basename(image_path), f, 'image/png')}
                headers = {}
                if self.token:
                    headers["Authorization"] = f"Bearer {self.token}"
                response = requests.post(f"{self.base_url}/upload/image", files=files, headers=headers)
                print(f"Upload response: {response.text}")
                if response.status_code != 200:
                    raise Exception(f"上传失败，状态码: {response.status_code}")
                result = response.json()
                if 'name' not in result:
                    raise Exception(f"上传响应中没有文件名: {result}")
                return result['name']
        except Exception as e:
            raise Exception(f"图片上传失败: {e}")
    def generate_vace(self, image_path, prompt, neg_prompt, steps=20, cfg=4, frames=49, width=480, height=480):
        """🎬 VACE视频编辑"""
        print("📤 正在上传图片...")
        image_name = self.upload_image(image_path)
        print(f"✅ 图片上传成功: {image_name}")
        workflow = {
            "11": {"inputs": {"unet_name": UNET_MODEL, "weight_dtype": "fp8_e4m3fn_fast"}, "class_type": "UNETLoader"},
            "13": {"inputs": {"clip_name": CLIP_MODEL, "type": "wan", "device": "default"}, "class_type": "CLIPLoader"},
            "14": {"inputs": {"vae_name": VAE_MODEL}, "class_type": "VAELoader"},
            "15": {"inputs": {"text": prompt, "clip": ["13", 0]}, "class_type": "CLIPTextEncode"},
            "16": {"inputs": {"text": neg_prompt, "clip": ["13", 0]}, "class_type": "CLIPTextEncode"},
            "17": {"inputs": {"width": width, "height": height, "length": ["21", 0], "batch_size": 1, "strength": 1.0, "positive": ["15", 0], "negative": ["16", 0], "vae": ["14", 0]}, "class_type": "WanVaceToVideo"},
            "18": {"inputs": {"image": image_name, "upload": "image"}, "class_type": "LoadImage"},
            "21": {"inputs": {"value": frames}, "class_type": "INTConstant"},
            "22": {"inputs": {"width": width, "height": height, "upscale_method": "nearest-exact", "keep_proportion": "crop", "pad_color": "0, 0, 0", "crop_position": "center", "divisible_by": 2, "device": "gpu", "image": ["18", 0]}, "class_type": "ImageResizeKJv2"},
            "23": {"inputs": {"images": ["22", 0]}, "class_type": "PreviewImage"},
            "24": {"inputs": {"seed": random.randint(1, 1000000000000000), "steps": steps, "cfg": cfg, "sampler_name": "uni_pc", "scheduler": "simple", "denoise": 1, "model": ["27", 0], "positive": ["17", 0], "negative": ["17", 1], "latent_image": ["17", 2]}, "class_type": "KSampler"},
            "27": {"inputs": {"shift": 8.0, "model": ["11", 0]}, "class_type": "ModelSamplingSD3"},
            "30": {"inputs": {"trim_amount": ["17", 3], "samples": ["24", 0]}, "class_type": "TrimVideoLatent"},
            "31": {"inputs": {"samples": ["30", 0], "vae": ["14", 0]}, "class_type": "VAEDecode"},
            "32": {"inputs": {"frame_rate": 16, "loop_count": 0, "filename_prefix": "VACE_video", "format": "video/h264-mp4", "pix_fmt": "yuv420p", "crf": 19, "save_metadata": True, "trim_to_audio": False, "pingpong": False, "save_output": True, "images": ["31", 0]}, "class_type": "VHS_VideoCombine"}
        }
        print("📤 提交VACE工作流...")
        response = requests.post(f"{self.base_url}/prompt", headers=self.headers, json={"prompt": workflow, "client_id": self.client_id})
        print(f"API Response: {response.text}")
        result = response.json()
        if "error" in result: 
            raise Exception(f"Workflow error: {result['error']}")
        if "prompt_id" not in result: 
            raise Exception(f"No prompt_id in response: {result}")
        return result["prompt_id"]
    def get_status(self, task_id):
        """📊 获取任务状态"""
        try:
            queue_data = requests.get(f"{self.base_url}/queue", headers=self.headers).json()
            if any(item[1] == task_id for item in queue_data.get("queue_running", [])): 
                return "processing"
            if any(item[1] == task_id for item in queue_data.get("queue_pending", [])): 
                return "pending"
            history_response = requests.get(f"{self.base_url}/history/{task_id}", headers=self.headers)
            return "completed" if history_response.status_code == 200 and task_id in history_response.json() else "processing"
        except: 
            return "processing"
    def download_video(self, task_id, output_path="vace_output.mp4"):
        """📥 下载生成的视频"""
        try:
            response = requests.get(f"{self.base_url}/history/{task_id}", headers=self.headers)
            history = response.json()
            if task_id in history:
                for output in history[task_id]['outputs'].values():
                    if 'gifs' in output:
                        filename = output['gifs'][0]['filename']
                        video_response = requests.get(f"{self.base_url}/view?filename={filename}", headers=self.headers)
                        with open(output_path, "wb") as f: 
                            f.write(video_response.content)
                        return output_path
        except Exception as e: 
            print(f"Download error: {e}")
        return None
def main():
    client = VACEClient()
    try:
        print(f"🎬 开始VACE视频编辑任务...")
        print(f"📷 输入图片: {IMAGE_PATH}")
        print(f"📝 编辑提示: {PROMPT}")
        if not os.path.exists(IMAGE_PATH):
            print(f"❌ 图片文件不存在: {IMAGE_PATH}")
            print("请确保当前目录下有 example.png 文件")
            return
        task_id = client.generate_vace(IMAGE_PATH, PROMPT, NEG_PROMPT, 20, 4, 49, 480, 480)
        print(f"🆔 Task ID: {task_id}")
        while True:
            status = client.get_status(task_id)
            print(f"📊 Current status: {status}")
            if status == "completed": 
                print("✅ Video ready!"); 
                break
            elif status == "failed": 
                print("❌ Generation failed!"); 
                exit(1)
            time.sleep(10)
        output_file = client.download_video(task_id, "vace_output.mp4")
        print("🎉 Video downloaded successfully!" if output_file else "❌ Failed to download video")
        if output_file: 
            print(f"📁 Saved as: {output_file}")
    except Exception as e: 
        print(f"❌ Error: {e}")
if __name__ == "__main__": 
    main()

# ✅ 推荐写法 - 结构化描述
"一个优雅的芭蕾舞者在华丽的剧院舞台上表演，身穿白色蓬蓬裙，在聚光灯下旋转跳跃，动作流畅优美，背景是金碧辉煌的剧院内部"
# ❌ 避免写法 - 简单描述
"芭蕾舞者跳舞"

# ✅ 结合参考图像的描述
"基于参考图像中的女孩和蛇，创建一个温馨的互动场景，女孩穿着红色春装，与可爱的绿色卡通蛇在节日装饰的环境中嬉戏，充满欢乐和友爱的氛围"
# ❌ 忽略参考图像内容
"一个女孩和动物玩耍"