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设置截图的完整代码示例。
完整代码
import Console from '@alicloud/tea-console';
import OpenApi, * as $OpenApi from '@alicloud/openapi-client';
import Env from '@alicloud/darabonba-env';
import Util from '@alicloud/tea-util';
import mts20140618, * as $mts20140618 from '@alicloud/mts20140618';
import * as $tea from '@alicloud/tea-typescript';
/**
* Node.js环境版本为8.x及以上。
* 安装阿里云SDK npm install @alicloud/pop-core --save
* 安装Credentials工具。 npm install @alicloud/credentials
* 安装MPS SDK npm install --save @alicloud/mts20140618
*
*/
/** 管道ID 可在控制台查看 */
var pipelineId = "d7cedd984be7dd63395c*****";
var ossLocation = "oss-cn-shanghai";
var bucket = "<bucket name>";
var ossInputObject = "input.mp4";
var ossOutputObject = "output_{Count}.jpg";
export default class Client {
/** 初始化 Client */
static async createClient(accessKeyId: string, accessKeySecret: string, regionId: string): Promise<mts20140618> {
let config = new $OpenApi.Config({ });
config.accessKeyId = accessKeyId;
config.accessKeySecret = accessKeySecret;
/** 接口服务地域 */
config.regionId = "cn-shanghai";
return new mts20140618(config);
}
static async main(args: string[]): Promise<void> {
let client = await Client.createClient(Env.getEnv("ALIBABA_CLOUD_ACCESS_KEY_ID"), Env.getEnv("ALIBABA_CLOUD_ACCESS_KEY_SECRET"), args[0]);
let request = new $mts20140618.SubmitSnapshotJobRequest({
input: inputParam(),
outputBucket: bucket,
pipelineId: pipelineId,
outputLocation: ossLocation,
snapshotConfig: snapshotConfig()
});
let response = await client.submitSnapshotJob(request);
Console.log(Util.toJSONString($tea.toMap(response)));
}
}
Client.main(process.argv.slice(2));
function inputParam() {
var input:any = {};
input.Location = ossLocation;
input.Bucket = bucket;
input.Object = encodeURIComponent(ossInputObject);
return JSON.stringify(input);
}
/** 截图配置 */
function snapshotConfig(){
var snapshotConfig:any = {};
var output:any = {};
output.Location = ossLocation;
output.Bucket = bucket;
output.Object = encodeURIComponent(ossOutputObject);
snapshotConfig.OutputFile = JSON.stringify(output);
snapshotConfig.Time = "2";
snapshotConfig.Interval = "2";
snapshotConfig.Num = "3";
snapshotConfig.Height = "360";
//return JSON.stringify(snapshotConfig);
}
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