def generate_sign(uri_path): device_time = int(time.time()) sign_str = f"9e2c|{uri_path[-7:]}|7|5.8.0|{device_time}||11ac" sign = hashlib.md5(sign_str.encode()).hexdigest() return sign, device_time

def multi_frame_to_video(sessionid, image_uri_list, prompt_list=None, duration_list=None, ratio="16:9"): uri = "/mweb/v1/aigc_draft/generate" sign, device_time = generate_sign(uri)

RATIO_VALUES = {"16:9": 1, "9:16": 6, "1:1": 8, "4:3": 3, "3:4": 4}

component_id = str(uuid.uuid4())
image_ratio = RATIO_VALUES.get(ratio, 1)

n = len(image_uri_list)
if prompt_list is None:
    prompt_list = [""] * (n - 1)
if duration_list is None:
    duration_list = [3000] * n

frame_list = []
for i, uri in enumerate(image_uri_list):
    frame_list.append({
        "type": "image",
        "id": str(uuid.uuid4()),
        "source_from": "upload",
        "platform_type": 1,
        "image_uri": uri,
        "uri": uri,
        "duration": duration_list[i] if i < len(duration_list) else 3000,
        "prompt": prompt_list[i] if i < len(prompt_list) else ""
    })

draft_content = {
    "type": "draft",
    "id": str(uuid.uuid4()),
    "min_version": "3.3.8",
    "is_from_tsn": True,
    "version": "3.3.8",
    "main_component_id": component_id,
    "component_list": [{
        "type": "video_base_component",
        "id": component_id,
        "min_version": "3.3.8",
        "metadata": {
            "type": "",
            "id": str(uuid.uuid4()),
            "created_platform": 3,
            "created_time_in_ms": int(time.time() * 1000)
        },
        "generate_type": "multi_frame_to_video",
        "aigc_mode": "workbench",
        "abilities": {
            "type": "",
            "id": str(uuid.uuid4()),
            "multi_frame_to_video": {
                "type": "",
                "id": str(uuid.uuid4()),
                "core_param": {
                    "type": "",
                    "id": str(uuid.uuid4()),
                    "video_ratio": image_ratio,
                    "resolution": "1080p"
                },
                "frame_list": frame_list,
                "history_option": {"type": "", "id": str(uuid.uuid4())}
            }
        }
    }]
}

headers = {
    "Content-Type": "application/json",
    "Appid": "513695",
    "Appvr": "5.8.0",
    "Pf": "7",
    "Origin": "https://jimeng.jianying.com",
    "Referer": "https://jimeng.jianying.com",
    "Cookie": f"sessionid={sessionid}",
    "Device-Time": str(device_time),
    "Sign": sign,
    "Sign-Ver": "1"
}

data = {
    "extend": {},
    "submit_id": str(uuid.uuid4()),
    "draft_content": json.dumps(draft_content),
    "http_common_info": {"aid": 513695}
}

resp = requests.post(
    f"https://jimeng.jianying.com{uri}",
    params={"aid": 513695, "device_platform": "web", "region": "CN", "da_version": "3.3.8"},
    headers=headers,
    json=data
)
return resp.json()


## 参数说明
| 字段 | 类型 | 必填 | 说明 |
|------|------|------|------|
| image_uri_list | array | 是 | 图片 URI 列表 |
| prompt_list | array | 否 | 每段过渡描述 (n-1 个) |
| duration_list | array | 否 | 每段时长毫秒列表 |
| ratio | string | 否 | 视频比例，默认 16:9 |

## 适用场景
- 绘本/分镜转视频
- 多场景连续串联
- 展现完整演变过程

## 对比 start_end_to_video
| 功能 | multi_frame_to_video | start_end_to_video |
|------|---------------------|-------------------|
| 图片数 | 多张 | 2张 |
| 适用 | 多帧连续 | 精确控制首尾 |
| 灵活性 | 更完整 | 更可控 |

## 使用流程
1. 上传所有图片获取 `image_uri` 列表
2. 调用多帧生视频 API
3. 轮询查询结果
4. 下载视频文件

dreamina-video-multi-frame

多帧生视频工具

API 端点

Python 示例

More from benzema216/dreamina-claude-skills

storyboard-generator

storyboard-creator

music-analyze

music-emotion

music-timbre

music-lyrics