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README
Apache-2.0

版本说明

本示例基于华为云SDK V3.0版本开发

功能介绍

什么是华为云MetaStudio服务?

华为云MetaStudio服务联合伙伴打造数字内容生产线,帮助千行百业实现虚拟世界与现实世界无缝融合。数字人生产线是数字内容生产线的主要组成部分,包含数字人生产、数字人视频制作和数字人直播等场景化的应用。 华为云MetaStudio服务在数字内容生产线中为伙伴提供PaaS原子API能力。 MetaStudio提供的PaaS API能力包括:

  • 照片建模能力,输入单张照片,输出3D数字人模型。
  • 语音驱动能力,输入文本,MetaStudio内部TTS转成语音后,输出驱动数字人的表情基数据和肢体动作数据。
  • 视频驱动能力,输入摄像头视频流,输出数字人的表情基数据和肢体动作数据。

您将学到什么?

华为云提供了 MetaStudio 服务端 SDK,您可以直接集成服务端 SDK 来调用 MetaStudio 的相关 API,从而实现对 MetaStudio 的快速操作。

该场景示例代码以数字人视频驱动为例,介绍如何使用MetaStudio Java SDK创建一个视频驱动任务。视频任务启动成功后,将返回RTC房间信息,通过集成RTC客户将摄像头视频传入房间后即可驱动数字人面部表情和肢体动作。

视频驱动可用于中之人驱动的数字人直播等场景。

开发时序图

时序图

说明:

  • 完整的视频驱动需要开发者在App端集成RTC SDK,将视频流以CAPTURE的用户类型传入RTC房间;在渲染端接收表情/肢体/音频数据,渲染编码后的视频流传入RTC房间(需集成RTC SDK,以RENDER的用户类型加入RTC房间)
  • 本示例仅展示第三方应用后台与MetaStudio之间的交互流程,用于视觉驱动的任务管理。

前置条件

  • 1、获取华为云开发工具包(SDK),您也可以查看安装JAVA SDK。
  • 2、您需要拥有华为云租户账号以及该账号对应的 Access Key(AK)和 Secret Access Key(SK)请在华为云控制台“我的凭证 > 访问密钥”页面上创建和查看您的AK/SK。具体请参见 访问密钥
  • 3、华为云 Java SDK 支持 Java JDK 1.8 及其以上版本。
  • 4、由于当前MetaStudio服务还处于公测阶段,仅对伙伴开放权限,需要申请才能使用,请提供联系华为销售人员开通MetaStudio服务权限。

具体操作步骤请参考:华为云MetaStudio开发指南

接口参数说明

关于视频驱动接口的详细说明可参见:

MetaStudio API参考的“视频驱动” 章节。

SDK获取和安装

开发者可以通过Maven方式获取和安装SDK,包括“huaweicloud-sdk-core”和“huaweicloud-sdk-metastudio”。需要在Java项目的pom.xml文件中加入如下的依赖项。

<dependencies>
    <dependency>
        <groupId>com.huaweicloud.sdk</groupId>
        <artifactId>huaweicloud-sdk-core</artifactId>
        <version>3.1.36</version>
    </dependency>
    <dependency>
        <groupId>com.huaweicloud.sdk</groupId>
        <artifactId>huaweicloud-sdk-metastudio</artifactId>
        <version>3.1.36</version>
    </dependency>
    <dependency>
        <groupId>org.slf4j</groupId>
        <artifactId>slf4j-nop</artifactId>
        <version>1.7.2</version>
    </dependency>
</dependencies>

示例代码

public class MetaStudioVideoDrive {
    private static final Logger logger = LoggerFactory.getLogger(MetaStudioVideoDrive.class);

    public static void main(String[] args) throws InterruptedException {
        System.out.println("Start HUAWEI CLOUD MetaStudio Video Drive Java Demo...");
        ICredential auth = getCredential("YOUR AK", "YOUR SK","YOUR PROJECT ID");

        // 初始数字人服务的客户端
        MetaStudioClient client = getClient(MetaStudioRegion.CN_NORTH_4, auth);


        // 创建视频驱动任务
        CreateVideoMotionCaptureJobResponse videoMotionCaptureJob = createVideoMotionCaptureJob(client);
        Thread.sleep(5000);

        // 获取视频驱动任务列表
        listVideoMotionJob(client);

        // 查询视频驱动详情
        showVideoMotionCaptureJob(client, videoMotionCaptureJob.getJobId());

        // 控制视频驱动
        executeVideoMotionCaptureCommandJob(client, videoMotionCaptureJob.getJobId());
        Thread.sleep(5000);

        // 停止视频驱动
        stopVideoMotionCaptureJob(client, videoMotionCaptureJob.getJobId());
    }


    /**
     * 查询视频驱动任务列表
     *
     * @param client MetaStudio client
     * @return 查询视频驱动任务列表响应
     */
    public static ListVideoMotionCaptureJobsResponse listVideoMotionJob(MetaStudioClient client) {
        System.out.println("listVideoMotionJob start");
        try {
            ListVideoMotionCaptureJobsRequest listVideoMotionCaptureJobsRequest = new ListVideoMotionCaptureJobsRequest();
            ListVideoMotionCaptureJobsResponse response = client.listVideoMotionCaptureJobs(listVideoMotionCaptureJobsRequest);
            return response;
        } catch (ConnectionException | RequestTimeoutException e) {
            System.out.println("there is some error, exception:" + e);
        }
        return null;
    }


    /**
     * 创建视频驱动任务
     *
     * @param client MetaStudio client
     * @return 创建视频驱动任务响应
     */
    public static CreateVideoMotionCaptureJobResponse createVideoMotionCaptureJob(MetaStudioClient client) {
        // 设置接收视频驱动数据的地址
        OutputInfo outputInfo = new OutputInfo();
        UUID uuid = UUID.randomUUID();
        int randomInt = uuid.hashCode();
        randomInt = randomInt < 0 ? -randomInt : randomInt;
        outputInfo.setAudioAddr("121.36.196.49:30002"); // 音频输入地址
        outputInfo.setBodyAddr("121.36.196.49:30002"); // 面部表情输入地址
        outputInfo.setFaceAddr("121.36.196.49:30002"); // 面部表情输入地址
        // 会话ID
        outputInfo.setSessionId(randomInt);

        VideoMotionCaptureJobReq videoMotionCaptureJobReq = new VideoMotionCaptureJobReq();
        // 设置视频驱动模式
        videoMotionCaptureJobReq.setMotionCaptureMode(VideoMotionCaptureJobReq.MotionCaptureModeEnum.FULL_BODY);
        videoMotionCaptureJobReq.setOutputInfo(outputInfo);
        try {
            CreateVideoMotionCaptureJobRequest createVideoMotionCaptureJobRequest = new CreateVideoMotionCaptureJobRequest();
            createVideoMotionCaptureJobRequest.withBody(videoMotionCaptureJobReq);
            CreateVideoMotionCaptureJobResponse response = client.createVideoMotionCaptureJob(createVideoMotionCaptureJobRequest);
            return response;
        } catch (ConnectionException | RequestTimeoutException e) {
            System.out.println("there is some error, exception:" + e);
        }
        return null;
    }

    /**
     * 查询视频驱动任务详情
     *
     * @param client MetaStudio client
     * @param jobId 视频驱动任务ID
     * @return 查询视频驱动任务详情响应
     */
    public static ShowVideoMotionCaptureJobResponse showVideoMotionCaptureJob(MetaStudioClient client, String jobId) {
        ShowVideoMotionCaptureJobResponse response = null;
        try {
            System.out.println("showVideoMotionCaptureJob start");
            ShowVideoMotionCaptureJobRequest showVideoMotionCaptureJobRequest = new ShowVideoMotionCaptureJobRequest();
            showVideoMotionCaptureJobRequest.withJobId(jobId);
            response = client.showVideoMotionCaptureJob(showVideoMotionCaptureJobRequest);
            System.out.println("ShowVideoMotionCaptureJobResponse:" + response.toString());
            return response;
        } catch (ConnectionException | RequestTimeoutException e) {
            System.out.println("there is some error, exception:" + e);
        }
        return null;
    }

    /**
     * 控制视频驱动,包括视觉驱动复位、模型位移调整等
     *
     * @param client MetaStudio client
     * @param jobId 视频驱动任务ID
     * @return 控制视频驱动响应
     */
    public static ExecuteVideoMotionCaptureCommandResponse executeVideoMotionCaptureCommandJob(MetaStudioClient client, String jobId) {
        System.out.println("executeVideoMotionCaptureCommandJob start");
        ExecuteVideoMotionCaptureCommandRequest executeVideoMotionCaptureCommandRequest = new ExecuteVideoMotionCaptureCommandRequest().withJobId(jobId);
        ControlDigitalHumanLiveReq controlDigitalHumanLiveReq = new ControlDigitalHumanLiveReq().withCommand(ControlDigitalHumanLiveReq.CommandEnum.BODY_POS_RESET);
        executeVideoMotionCaptureCommandRequest.setBody(controlDigitalHumanLiveReq);
        try {
            ExecuteVideoMotionCaptureCommandResponse response = client.executeVideoMotionCaptureCommand(executeVideoMotionCaptureCommandRequest);
            System.out.println("ExecuteVideoMotionCaptureCommandResponse" + response);
            return response;
        } catch (ConnectionException | RequestTimeoutException e) {
            System.out.println("there is some error, exception:" + e);
        }
        return null;
    }

    /**
     * 停止视频驱动任务
     *
     * @param client MetaStudio client
     * @param jobId 视频驱动任务ID
     * @return 停止视频驱动任务响应
     */
    public static StopVideoMotionCaptureJobResponse stopVideoMotionCaptureJob(MetaStudioClient client, String jobId) {
        System.out.println("stopVideoMotionCaptureJob start");
        StopVideoMotionCaptureJobRequest stopVideoMotionCaptureJobRequest = new StopVideoMotionCaptureJobRequest().withJobId(jobId);
        try {
            StopVideoMotionCaptureJobResponse response = client.stopVideoMotionCaptureJob(stopVideoMotionCaptureJobRequest);
            return response;
        } catch (ConnectionException | RequestTimeoutException e) {
            System.out.println("there is some error, exception:" + e);
        }
        return null;
    }

    /**
     * 创建鉴权凭证
     *
     * @param ak 租户帐号对应的 Access Key(AK)
     * @param sk 租户帐号对应的 Secret Access Key(SK)
     * @return 鉴权凭证
     */
    public static ICredential getCredential(String ak, String sk, String projectId) {
        return new BasicCredentials()
                .withAk(ak)
                .withSk(sk)
                .withProjectId(projectId);
    }

    /**
     * 创建MetaStudio client
     *
     * @param region region信息
     * @param auth 鉴权凭证
     * @return MetaStudio client
     */
    public static MetaStudioClient getClient(Region region, ICredential auth) {
        // 使用默认配置
        HttpConfig config = HttpConfig.getDefaultHttpConfig();
        config.withIgnoreSSLVerification(true);

        // 初始化metaStudio服务的客户端
        return MetaStudioClient.newBuilder()
                .withHttpConfig(config)
                .withCredential(auth)
                .withRegion(region) // 选择服务所在区域
                .build();
    }
}

参考

更多信息请参考:

API Explorer

《华为云MetaStudio开发指南》

修订记录

发布日期 文档版本 修订说明
2023-04-12 1.0 文档首次发布
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