react-native-audio-api/lib/module/core/MediaElementAudioSourceNode.js

react-native-audio-api provides system for controlling audio in React Native environment compatible with Web Audio API specification

"use strict";

import AudioNode from "./AudioNode.js";
import { InvalidStateError } from "../errors/index.js";
export default class MediaElementAudioSourceNode extends AudioNode {
  constructor(context, options) {
    const internalHandle = options.mediaElement;
    const fileSourceNode = internalHandle.getFileSourceNode();
    if (fileSourceNode === null) {
      throw new InvalidStateError('Audio tag source is not ready yet. Wait for onLoad before creating MediaElementAudioSourceNode.');
    }
    if (fileSourceNode.routedThroughMediaElement) {
      throw new InvalidStateError('Audio tag source is already routed through MediaElementAudioSourceNode.');
    }
    const node = context.context.createMediaElementSource(fileSourceNode);
    super(context, node);
    this.mediaElement = options.mediaElement;
  }
}
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