Alibaba Cloud Model Studio:Referencia de API de imagen a video de primer y último fotograma de Wan (2.2)

Singapore

POST https://{WorkspaceId}.ap-southeast-1.maas.aliyuncs.com/api/v1/services/aigc/image2video/video-synthesis

Reemplace {WorkspaceId} con su ID de espacio de trabajo real.

China (Beijing)

POST https://{WorkspaceId}.cn-beijing.maas.aliyuncs.com/api/v1/services/aigc/image2video/video-synthesis

Reemplace {WorkspaceId} con su ID de espacio de trabajo real.

Singapore

GET https://{WorkspaceId}.ap-southeast-1.maas.aliyuncs.com/api/v1/tasks/{task_id}

Reemplace {WorkspaceId} con su ID de espacio de trabajo real.

China (Beijing)

GET https://{WorkspaceId}.cn-beijing.maas.aliyuncs.com/api/v1/tasks/{task_id}

Reemplace {WorkspaceId} con su ID de espacio de trabajo real.

Singapore

dashscope.base_http_api_url = 'https://{WorkspaceId}.ap-southeast-1.maas.aliyuncs.com/api/v1'

Reemplace {WorkspaceId} con su ID de espacio de trabajo real.

Beijing

dashscope.base_http_api_url = 'https://{WorkspaceId}.cn-beijing.maas.aliyuncs.com/api/v1'

Reemplace {WorkspaceId} con su ID de espacio de trabajo real.

Llamada síncrona

Este ejemplo demuestra una llamada síncrona con dos métodos de entrada de imagen: una URL pública y una ruta de archivo local.

Ejemplo de solicitud

import os
from http import HTTPStatus
# DashScope SDK >= 1.23.4
from dashscope import VideoSynthesis
import dashscope

dashscope.base_http_api_url = 'https://{WorkspaceId}.ap-southeast-1.maas.aliyuncs.com/api/v1'

# Get the DashScope API key (which is your Model Studio API key) from an environment variable.
api_key = os.getenv("DASHSCOPE_API_KEY")

# ========== Image input method (choose one) ==========
# [Method 1] Use a public image URL
first_frame_url = "https://wanx.alicdn.com/material/20250318/first_frame.png"
last_frame_url = "https://wanx.alicdn.com/material/20250318/last_frame.png"

# [Method 2] Use a local file path (file:// + file path)
# Use an absolute path:
# first_frame_url = "file://" + "/path/to/your/first_frame.png"  # Linux/macOS
# last_frame_url = "file://" + "C:/path/to/your/last_frame.png"  # Windows
# Or use a relative path:
# first_frame_url = "file://" + "./first_frame.png"              # Use your actual path.
# last_frame_url = "file://" + "./last_frame.png"                # Use your actual path.

def sample_sync_call_kf2v():
    print('please wait...')
    rsp = VideoSynthesis.call(api_key=api_key,
                              model="wan2.2-kf2v-flash",
                              prompt="Realistic style, a small black cat looks up at the sky curiously, the camera gradually rises from eye level, and finally captures its curious gaze from a top-down view.",
                              first_frame_url=first_frame_url,
                              last_frame_url=last_frame_url,
                              resolution="720P",
                              prompt_extend=True)
    print(rsp)
    if rsp.status_code == HTTPStatus.OK:
        print(rsp.output.video_url)
    else:
        print('Failed, status_code: %s, code: %s, message: %s' %
              (rsp.status_code, rsp.code, rsp.message))

if __name__ == '__main__':
    sample_sync_call_kf2v()

Ejemplo de respuesta

La video_url es válida durante 24 horas. Por favor, descargue el video dentro de este periodo.

{
    "status_code": 200,
    "request_id": "a37fafc3-907c-96f3-95a6-5b2a8268a3fd",
    "code": null,
    "message": "",
    "output": {
        "task_id": "4dba0092-da13-42b2-afb1-0f7b8a0f4643",
        "task_status": "SUCCEEDED",
        "video_url": "https://dashscope-result-wlcb-acdr-1.oss-cn-wulanchabu-acdr-1.aliyuncs.com/xxx.mp4?xxxxx",
        "submit_time": "2025-05-23 15:50:12.404",
        "scheduled_time": "2025-05-23 15:50:12.443",
        "end_time": "2025-05-23 15:54:56.502",
        "orig_prompt": "Realistic style, a small black cat looks up at the sky curiously, the camera gradually rises from eye level, and finally captures its curious gaze from a top-down view.",
        "actual_prompt": "Realistic style, a small black cat looks up at the sky curiously, the camera gradually rises from eye level, and finally captures its curious gaze from a top-down view. The cat's yellow eyes are bright and expressive, its ears are pricked, and its whiskers are clearly visible. The background is a simple, light-colored wall that highlights the cat's black fur and focused expression. A close-up shot emphasizes the change in the cat's gaze and posture."
    },
    "usage": {
        "video_count": 1,
        "video_duration": 5,
        "video_ratio": "standard"
    }
}

Llamada asíncrona

Este ejemplo demuestra una llamada asíncrona, que devuelve inmediatamente un ID de tarea. Luego debe sondear el estado de la tarea o esperar a que la tarea se complete.

Ejemplo de solicitud

import os
from http import HTTPStatus
# DashScope SDK >= 1.23.4
from dashscope import VideoSynthesis
import dashscope

dashscope.base_http_api_url = 'https://{WorkspaceId}.ap-southeast-1.maas.aliyuncs.com/api/v1'

# Get the DashScope API key (which is your Model Studio API key) from an environment variable.
api_key = os.getenv("DASHSCOPE_API_KEY")

# ========== Image input method (choose one) ==========
# [Method 1] Use a public image URL
first_frame_url = "https://wanx.alicdn.com/material/20250318/first_frame.png"
last_frame_url = "https://wanx.alicdn.com/material/20250318/last_frame.png"

# [Method 2] Use a local file path (file:// + file path)
# Use an absolute path:
# first_frame_url = "file://" + "/path/to/your/first_frame.png"  # Linux/macOS
# last_frame_url = "file://" + "C:/path/to/your/last_frame.png"  # Windows
# Or use a relative path:
# first_frame_url = "file://" + "./first_frame.png"              # Use your actual path.
# last_frame_url = "file://" + "./last_frame.png"                # Use your actual path.

def sample_async_call_kf2v():
    print('please wait...')
    rsp = VideoSynthesis.async_call(api_key=api_key,
                                    model="wan2.2-kf2v-flash",
                                    prompt="Realistic style, a small black cat looks up at the sky curiously, the camera gradually rises from eye level, and finally captures its curious gaze from a top-down view.",
                                    first_frame_url=first_frame_url,
                                    last_frame_url=last_frame_url,
                                    resolution="720P",
                                    prompt_extend=True)
    print(rsp)
    if rsp.status_code == HTTPStatus.OK:
        print("task_id: %s" % rsp.output.task_id)
    else:
        print('Failed, status_code: %s, code: %s, message: %s' %
              (rsp.status_code, rsp.code, rsp.message))

    # Get the task information, including the task status.
    status = VideoSynthesis.fetch(task=rsp, api_key=api_key)
    if status.status_code == HTTPStatus.OK:
        print(status.output.task_status)  # check the task status
    else:
        print('Failed, status_code: %s, code: %s, message: %s' %
              (status.status_code, status.code, status.message))

    # Wait for the task to complete. This method polls the fetch endpoint at intervals until the task is finished.
    rsp = VideoSynthesis.wait(task=rsp, api_key=api_key)
    print(rsp)
    if rsp.status_code == HTTPStatus.OK:
        print(rsp.output.video_url)
    else:
        print('Failed, status_code: %s, code: %s, message: %s' %
              (rsp.status_code, rsp.code, rsp.message))

if __name__ == '__main__':
    sample_async_call_kf2v()

Ejemplo de respuesta

1. Respuesta tras la creación de la tarea

{
    "status_code": 200,
    "request_id": "c86ff7ba-8377-917a-90ed-xxxxxx",
    "code": "",
    "message": "",
    "output": {
        "task_id": "721164c6-8619-4a35-a6d9-xxxxxx",
        "task_status": "PENDING",
        "video_url": ""
    },
    "usage": null
}

2. Ejemplo de respuesta para una tarea completada

La video_url es válida durante 24 horas. Por favor, descargue el video dentro de este periodo.

{
    "status_code": 200,
    "request_id": "efa545b3-f95c-9e3a-a3b6-xxxxxx",
    "code": null,
    "message": "",
    "output": {
        "task_id": "721164c6-8619-4a35-a6d9-xxxxxx",
        "task_status": "SUCCEEDED",
        "video_url": "https://dashscope-result-sh.oss-cn-shanghai.aliyuncs.com/xxx.mp4?xxxxx",
        "submit_time": "2025-02-12 11:03:30.701",
        "scheduled_time": "2025-02-12 11:06:05.378",
        "end_time": "2025-02-12 11:12:18.853",
        "orig_prompt": "Realistic style, a small black cat looks up at the sky curiously, the camera gradually rises from eye level, and finally captures its curious gaze from a top-down view.",
        "actual_prompt": "Realistic style, a small black cat looks up at the sky curiously, the camera gradually rises from eye level, and finally captures its curious gaze from a top-down view. The cat's fur is jet-black and glossy, its eyes are large and bright with golden pupils. It looks up with its ears pricked, appearing exceptionally focused. After the camera moves up, the cat turns to face the camera, its eyes filled with curiosity and alertness. The background is simple, highlighting the cat's detailed features. A close-up shot with soft, natural light."
    },
    "usage": {
        "video_count": 1,
        "video_duration": 5,
        "video_ratio": "standard"
    }
}

Llamada síncrona

Este ejemplo demuestra una llamada síncrona con dos métodos de entrada de imagen: URL pública y ruta de archivo local.

Ejemplo de solicitud

// Copyright (c) Alibaba, Inc. and its affiliates.

// DashScope SDK >= 2.20.1
import com.alibaba.dashscope.aigc.videosynthesis.VideoSynthesis;
import com.alibaba.dashscope.aigc.videosynthesis.VideoSynthesisParam;
import com.alibaba.dashscope.aigc.videosynthesis.VideoSynthesisResult;
import com.alibaba.dashscope.exception.ApiException;
import com.alibaba.dashscope.exception.InputRequiredException;
import com.alibaba.dashscope.exception.NoApiKeyException;
import com.alibaba.dashscope.utils.Constants;
import com.alibaba.dashscope.utils.JsonUtils;

import java.util.HashMap;
import java.util.Map;

public class Kf2vSyncIntl {

    static {
        Constants.baseHttpApiUrl = "https://{WorkspaceId}.ap-southeast-1.maas.aliyuncs.com/api/v1";
    }

    // Get the DashScope API key (which is your Model Studio API key) from an environment variable.
    static String apiKey = System.getenv("DASHSCOPE_API_KEY");

    /**
     * Image input method (choose one):
     *
     * [Method 1] Public URL
     */
    static String firstFrameUrl = "https://wanx.alicdn.com/material/20250318/first_frame.png";
    static String lastFrameUrl = "https://wanx.alicdn.com/material/20250318/last_frame.png";

     /**
     * [Method 2] Local file path (file://+absolute path or file:///+absolute path)
     */
    // static String firstFrameUrl = "file://" + "/your/path/to/first_frame.png";  // Linux/macOS
    // static String lastFrameUrl = "file:///" + "C:/path/to/your/img.png";        // Windows

    public static void syncCall() {

        Map<String, Object> parameters = new HashMap<>();
        parameters.put("prompt_extend", true);
        parameters.put("resolution", "720P");

        VideoSynthesis videoSynthesis = new VideoSynthesis();
        VideoSynthesisParam param =
                VideoSynthesisParam.builder()
                        .apiKey(apiKey)
                        .model("wan2.2-kf2v-flash")
                        .prompt("Realistic style, a small black cat looks up at the sky curiously, the camera gradually rises from eye level, and finally captures its curious gaze from a top-down view.")
                        .firstFrameUrl(firstFrameUrl)
                        .lastFrameUrl(lastFrameUrl)
                        .parameters(parameters)
                        .build();
        VideoSynthesisResult result = null;
        try {
            // Making a synchronous call. This may take a moment.
            result = videoSynthesis.call(param);
        } catch (ApiException | NoApiKeyException e){
            throw new RuntimeException(e.getMessage());
        } catch (InputRequiredException e) {
            throw new RuntimeException(e);
        }
        System.out.println(JsonUtils.toJson(result));
    }

    public static void main(String[] args) {
        syncCall();
    }
}

Ejemplo de respuesta

La video_url es válida durante 24 horas. Por favor, descargue el video dentro de este periodo.

{
    "request_id": "e6bb4517-c073-9c10-b748-dedb8c11bb41",
    "output": {
        "task_id": "984784fe-83c1-4fc4-88c7-52c2c1fa92a2",
        "task_status": "SUCCEEDED",
        "video_url": "https://dashscope-result-wlcb-acdr-1.oss-cn-wulanchabu-acdr-1.aliyuncs.com/xxx.mp4?xxxxx"
    },
    "usage": {
        "video_count": 1,
        "video_duration": 5,
        "video_ratio": "standard"
    }
}

Llamada asíncrona

Este ejemplo demuestra una llamada asíncrona, que devuelve inmediatamente un ID de tarea. Luego debe sondear el estado de la tarea o esperar a que la tarea se complete.

Ejemplo de solicitud

// Copyright (c) Alibaba, Inc. and its affiliates.

// DashScope SDK >= 2.20.1
import com.alibaba.dashscope.aigc.videosynthesis.VideoSynthesis;
import com.alibaba.dashscope.aigc.videosynthesis.VideoSynthesisParam;
import com.alibaba.dashscope.aigc.videosynthesis.VideoSynthesisResult;
import com.alibaba.dashscope.exception.ApiException;
import com.alibaba.dashscope.exception.InputRequiredException;
import com.alibaba.dashscope.exception.NoApiKeyException;
import com.alibaba.dashscope.utils.Constants;
import com.alibaba.dashscope.utils.JsonUtils;
import java.util.HashMap;
import java.util.Map;

public class Kf2vAsync {

    static {
        Constants.baseHttpApiUrl = "https://{WorkspaceId}.ap-southeast-1.maas.aliyuncs.com/api/v1";
    }

    // Get the DashScope API key (which is your Model Studio API key) from an environment variable.
    static String apiKey = System.getenv("DASHSCOPE_API_KEY");

    /**
     * Image input method (choose one):
     *
     * [Method 1] Public URL
     */
    static String firstFrameUrl = "https://wanx.alicdn.com/material/20250318/first_frame.png";
    static String lastFrameUrl = "https://wanx.alicdn.com/material/20250318/last_frame.png";

    /**
     * [Method 2] Local file path (file://+absolute path or file:///+absolute path)
     */
    // static String firstFrameUrl = "file://" + "/your/path/to/first_frame.png";   // Linux/macOS
    // static String lastFrameUrl = "file:///" + "C:/path/to/your/img.png";        // Windows

    public static void asyncCall(){

        // Set parameters.
        Map<String, Object> parameters = new HashMap<>();
        parameters.put("prompt_extend", true);
        parameters.put("resolution", "720P");

        VideoSynthesis videoSynthesis = new VideoSynthesis();
        VideoSynthesisParam param =
                VideoSynthesisParam.builder()
                        .apiKey(apiKey)
                        .model("wan2.2-kf2v-flash")
                        .prompt("Realistic style, a small black cat looks up at the sky curiously, the camera gradually rises from eye level, and finally captures its curious gaze from a top-down view.")
                        .firstFrameUrl(firstFrameUrl)
                        .lastFrameUrl(lastFrameUrl)
                        .parameters(parameters)
                        .build();
        VideoSynthesisResult result = null;
        try {
            // Making an asynchronous call.
            result = videoSynthesis.asyncCall(param);
        } catch (ApiException | NoApiKeyException e){
            throw new RuntimeException(e.getMessage());
        } catch (InputRequiredException e) {
            throw new RuntimeException(e);
        }
        System.out.println(JsonUtils.toJson(result));

        String taskId = result.getOutput().getTaskId();

        System.out.println("taskId=" + taskId);

        try {
            result = videoSynthesis.wait(taskId, apiKey);
        } catch (ApiException | NoApiKeyException e){
            throw new RuntimeException(e.getMessage());
        }
        System.out.println(JsonUtils.toJson(result));
        System.out.println(JsonUtils.toJson(result.getOutput()));
    }

    public static void main(String[] args){
        asyncCall();
    }
}

Ejemplo de respuesta

1. Respuesta tras la creación de la tarea

{
    "request_id": "5dbf9dc5-4f4c-9605-85ea-xxxxxxxx",
    "output": {
        "task_id": "7277e20e-aa01-4709-xxxxxxxx",
        "task_status": "PENDING"
    }
}

2. Ejemplo de respuesta para una tarea completada

La video_url es válida durante 24 horas. Por favor, descargue el video dentro de este periodo.

{
    "request_id": "1625235c-c13e-93ec-aff7-xxxxxxxx",
    "output": {
        "task_id": "464a5e46-79a6-46fd-9823-xxxxxxxx",
        "task_status": "SUCCEEDED",
        "video_url": "https://dashscope-result-sh.oss-cn-shanghai.aliyuncs.com/xxx.mp4?xxxxxx"
    },
    "usage": {
        "video_count": 1,
        "video_duration": 5,
        "video_ratio": "standard"
    }
}