68 lines
2.4 KiB
JavaScript
68 lines
2.4 KiB
JavaScript
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/*
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* Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree.
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*/
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/* eslint-env node */
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'use strict';
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import * as utils from '../utils';
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export function shimGetUserMedia(window, browserDetails) {
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const navigator = window && window.navigator;
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const MediaStreamTrack = window && window.MediaStreamTrack;
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navigator.getUserMedia = function(constraints, onSuccess, onError) {
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// Replace Firefox 44+'s deprecation warning with unprefixed version.
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utils.deprecated('navigator.getUserMedia',
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'navigator.mediaDevices.getUserMedia');
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navigator.mediaDevices.getUserMedia(constraints).then(onSuccess, onError);
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};
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if (!(browserDetails.version > 55 &&
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'autoGainControl' in navigator.mediaDevices.getSupportedConstraints())) {
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const remap = function(obj, a, b) {
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if (a in obj && !(b in obj)) {
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obj[b] = obj[a];
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delete obj[a];
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}
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};
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const nativeGetUserMedia = navigator.mediaDevices.getUserMedia.
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bind(navigator.mediaDevices);
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navigator.mediaDevices.getUserMedia = function(c) {
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if (typeof c === 'object' && typeof c.audio === 'object') {
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c = JSON.parse(JSON.stringify(c));
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remap(c.audio, 'autoGainControl', 'mozAutoGainControl');
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remap(c.audio, 'noiseSuppression', 'mozNoiseSuppression');
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}
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return nativeGetUserMedia(c);
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};
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if (MediaStreamTrack && MediaStreamTrack.prototype.getSettings) {
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const nativeGetSettings = MediaStreamTrack.prototype.getSettings;
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MediaStreamTrack.prototype.getSettings = function() {
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const obj = nativeGetSettings.apply(this, arguments);
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remap(obj, 'mozAutoGainControl', 'autoGainControl');
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remap(obj, 'mozNoiseSuppression', 'noiseSuppression');
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return obj;
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};
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}
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if (MediaStreamTrack && MediaStreamTrack.prototype.applyConstraints) {
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const nativeApplyConstraints =
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MediaStreamTrack.prototype.applyConstraints;
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MediaStreamTrack.prototype.applyConstraints = function(c) {
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if (this.kind === 'audio' && typeof c === 'object') {
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c = JSON.parse(JSON.stringify(c));
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remap(c, 'autoGainControl', 'mozAutoGainControl');
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remap(c, 'noiseSuppression', 'mozNoiseSuppression');
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}
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return nativeApplyConstraints.apply(this, [c]);
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};
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}
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}
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}
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