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

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

"use strict";

import AudioBufferBaseSourceNode from "./AudioBufferBaseSourceNode.js";
import { RangeError } from "../errors/index.js";
export default class AudioBufferQueueSourceNode extends AudioBufferBaseSourceNode {
  constructor(context, options) {
    const node = context.context.createBufferQueueSource(options || {});
    super(context, node);
  }
  enqueueBuffer(buffer) {
    return this.node.enqueueBuffer(buffer.buffer);
  }
  dequeueBuffer(bufferId) {
    const id = parseInt(bufferId, 10);
    if (isNaN(id) || id < 0) {
      throw new RangeError(`bufferId must be a non-negative integer: ${bufferId}`);
    }
    this.node.dequeueBuffer(id);
  }
  clearBuffers() {
    this.node.clearBuffers();
  }
  start(when = 0, offset = -1) {
    if (when < 0) {
      throw new RangeError(`when must be a finite non-negative number: ${when}`);
    }
    if (offset && offset < 0) {
      throw new RangeError(`offset must be a finite non-negative number: ${offset}`);
    }
    this.node.start(when, offset);
  }
  stop(when = 0) {
    if (when < 0) {
      throw new RangeError(`when must be a finite non-negative number: ${when}`);
    }
    this.node.stop(when);
  }
  get onBufferEnded() {
    return this.onBufferEndedCallback;
  }
  set onBufferEnded(callback) {
    if (!callback) {
      this.node.onBufferEnded = '0';
      this.onBufferEndedCallback = undefined;
      return;
    }
    this.onBufferEndedCallback = callback;
    const sub = this.audioEventEmitter.addAudioEventListener('bufferEnded', callback);
    this.node.onBufferEnded = sub.subscriptionId;
  }
  pause() {
    this.node.pause();
  }
}
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