You've already forked matrix-js-sdk
mirror of
https://github.com/matrix-org/matrix-js-sdk.git
synced 2025-08-09 10:22:46 +03:00
f9672cf307
* Fix some MatrixCall leaks and use a shared AudioContext These leaks, combined with the dozens of AudioContexts floating around in memory across different CallFeeds, could cause some really bad performance issues and audio crashes on Chrome. * Fully release the AudioContext in CallFeed's dispose method * Fix tests
45 lines
1.5 KiB
TypeScript
45 lines
1.5 KiB
TypeScript
/*
|
|
Copyright 2022 The Matrix.org Foundation C.I.C.
|
|
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
|
you may not use this file except in compliance with the License.
|
|
You may obtain a copy of the License at
|
|
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
Unless required by applicable law or agreed to in writing, software
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
See the License for the specific language governing permissions and
|
|
limitations under the License.
|
|
*/
|
|
|
|
let audioContext: AudioContext | null = null;
|
|
let refCount = 0;
|
|
|
|
/**
|
|
* Acquires a reference to the shared AudioContext.
|
|
* It's highly recommended to reuse this AudioContext rather than creating your
|
|
* own, because multiple AudioContexts can be problematic in some browsers.
|
|
* Make sure to call releaseContext when you're done using it.
|
|
* @returns {AudioContext} The shared AudioContext
|
|
*/
|
|
export const acquireContext = (): AudioContext => {
|
|
if (audioContext === null) audioContext = new AudioContext();
|
|
refCount++;
|
|
return audioContext;
|
|
};
|
|
|
|
/**
|
|
* Signals that one of the references to the shared AudioContext has been
|
|
* released, allowing the context and associated hardware resources to be
|
|
* cleaned up if nothing else is using it.
|
|
*/
|
|
export const releaseContext = () => {
|
|
refCount--;
|
|
if (refCount === 0) {
|
|
audioContext.close();
|
|
audioContext = null;
|
|
}
|
|
};
|