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ac-recorder

v1.0.2

Published

Based on MediaRecorder and AudioContext implementation, it can record audio and canvas on the web page and generate a video file to download locally.

Downloads

12

Readme

ac-recorder

基于 MediaRecorder 和 AudioContext 实现,能够录制网页上的 audio 和 canvas,生成一个视频文件下载到本地。 Based on MediaRecorder and AudioContext implementation, it can record audio and canvas on the web page and generate a video file to download locally.

🔗 支持 Chrome 🔗 支持 Safari(实测效果更好)

实例化

实例化参数: constructor(targetAudio, targetCanvas)

  • targetAudio: 可播放音频的 audio 元素或是一个 '#id_name' or '.class_name' css 选择器
  • targetCanvas: 播放动画或视频的 canvas 元素或是一个 '#id_name' or '.class_name' css 选择器

配置参数(可选)

.setOptions()

创建录制器

.createRecorder()

录制器控制方法(主要方法)

.start()
.pause()
.resume()
.stop()

其它方法

.preview()
.closePreview()
.download()
.changeAudio()

Usage

  1. 导入 ACRecorder 类:
import { ACRecorder } from "./index.js";
  1. 实例化 ACRecorder,传入要录制的 audio 元素和 canvas 元素:
let ACR = new ACRecorder(document.querySelector("#audio"), "#canvas");
  1. 设置监听事件(可选):
ACR.setListeners({
  start: () => {...},
  fail: () => {...},
  pause: () => {...},
  resume: () => {...},
  stop: () => {...}
});
  1. 开始录制:
ACR.start();
  1. 暂停录制:
ACR.pause();
  1. 恢复录制:
ACR.resume();
  1. 停止录制:
ACR.stop();
  1. 预览录制视频(可选):
ACR.preview();
  1. 关闭视频预览(可选):
ACR.closePreview();
  1. 下载录制视频(可选):
ACR.download();
  1. 销毁录制器(可选):
ACR.destroy();

Tips

new AudioContext()必须在某个用户操作之后执行,否则会出现“The AudioContext was not allowed to start. It must be resumed (or created) after a user gesture on the page”警告,导致音频无法播放。