mirror of
https://github.com/Tonejs/Tone.js
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ba8e82b1ca
BREAK: the latencyHint can only be set in the constructor, no longer settable after construction addresses #658
60 lines
2 KiB
TypeScript
60 lines
2 KiB
TypeScript
import {
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AudioContext as stdAudioContext,
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AudioWorkletNode as stdAudioWorkletNode,
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OfflineAudioContext as stdOfflineAudioContext
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} from "standardized-audio-context";
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import { assert } from "../util/Debug";
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import { isDefined } from "../util/TypeCheck";
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/**
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* Create a new AudioContext
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*/
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export function createAudioContext(options?: AudioContextOptions): AudioContext {
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return new stdAudioContext(options) as unknown as AudioContext;
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}
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/**
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* Create a new OfflineAudioContext
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*/
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export function createOfflineAudioContext(channels: number, length: number, sampleRate: number): OfflineAudioContext {
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return new stdOfflineAudioContext(channels, length, sampleRate) as unknown as OfflineAudioContext;
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}
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/**
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* Either the online or offline audio context
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*/
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export type AnyAudioContext = AudioContext | OfflineAudioContext;
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/**
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* Interface for things that Tone.js adds to the window
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*/
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interface ToneWindow extends Window {
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TONE_SILENCE_LOGGING?: boolean;
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TONE_DEBUG_CLASS?: string;
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}
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/**
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* A reference to the window object
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* @hidden
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*/
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export const theWindow: ToneWindow | null = typeof self === "object" ? self : null;
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/**
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* If the browser has a window object which has an AudioContext
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* @hidden
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*/
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export const hasAudioContext = theWindow &&
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(theWindow.hasOwnProperty("AudioContext") || theWindow.hasOwnProperty("webkitAudioContext"));
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export function createAudioWorkletNode(context: AnyAudioContext, name: string, options?: Partial<AudioWorkletNodeOptions>): AudioWorkletNode {
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assert(isDefined(stdAudioWorkletNode), "This node only works in a secure context (https or localhost)");
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// @ts-ignore
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return new stdAudioWorkletNode(context, name, options);
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}
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/**
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* This promise resolves to a boolean which indicates if the
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* functionality is supported within the currently used browse.
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* Taken from [standardized-audio-context](https://github.com/chrisguttandin/standardized-audio-context#issupported)
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*/
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export { isSupported as supported } from "standardized-audio-context";
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