视频截图是指对视频截取指定时间、指定尺寸的图片,用于生产视频封面、雪碧图、播放器进度条缩略图等场景,截图作业支持指定时间点、时间间隔、截图数量、类型以及是否拼图等。您可以通过媒体处理控制台、API或SDK提交截图作业。本文提供了Node.js SDK V2.0设置截图的完整代码示例。

完整代码

'use strict';


const Mts20140618 = require('@alicloud/mts20140618');
const OpenApi = require('@alicloud/openapi-client');
const Util = require('@alicloud/tea-util');
const Tea = require('@alicloud/tea-typescript');

class Client {

    /**
     * 使用AK&SK初始化账号Client
     * @return Client
     * @throws Exception
     */
    static createClient() {

        let config = new OpenApi.Config({
                // 必填,请确保代码运行环境设置了环境变量 ALIBABA_CLOUD_ACCESS_KEY_ID。
                accessKeyId: process.env['ALIBABA_CLOUD_ACCESS_KEY_ID'],
                // 必填,请确保代码运行环境设置了环境变量 ALIBABA_CLOUD_ACCESS_KEY_SECRET。
                accessKeySecret: process.env['ALIBABA_CLOUD_ACCESS_KEY_SECRET'],
        });

        config.endpoint = `mts.cn-qingdao.aliyuncs.com`;
        return new Mts20140618.default(config);
    }

    static async main(args) {
        let client = Client.createClient();
        let submitSnapshotJobRequest = new Mts20140618.SubmitSnapshotJobRequest({
                //作业输入
                input: '{"Bucket":"example-bucket","Location":"example-location","Object":"example%2Ftest.flv"}',
                //截图配置
                snapshotConfig: '{"OutputFile":{"Bucket":"example-001","Location":"example-location","Object":"{Count}.jpg"},"Time":"5","Num":"10","Interval":"20"}',
                //用户自定义数据
                userData: 'testid-001',
                //管道ID
                pipelineId: 'dd3dae411e704030b921e52698e5****',
    });
        let runtime = new Util.RuntimeOptions({ });
        try {
            // 复制代码运行请自行打印 API 的返回值
            await client.submitSnapshotJobWithOptions(submitSnapshotJobRequest, runtime);
        } catch (error) {
            // 此处仅做打印展示,请谨慎对待异常处理,在工程项目中切勿直接忽略异常。
            // 错误 message
            console.log(error.message);
            // 诊断地址
            console.log(error.data["Recommend"]);
            Util.default.assertAsString(error.message);
        }
    }

}

exports.Client = Client;
Client.main(process.argv.slice(2));

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