65 lines
1.7 KiB
TypeScript
65 lines
1.7 KiB
TypeScript
// Copyright 2021 Signal Messenger, LLC
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// SPDX-License-Identifier: AGPL-3.0-only
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import type { AudioDevice } from '@signalapp/ringrtc';
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export function findBestMatchingAudioDeviceIndex(
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{
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available,
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preferred,
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}: Readonly<{
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available: ReadonlyArray<AudioDevice>;
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preferred: undefined | AudioDevice;
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}>,
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isWindows: boolean
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): undefined | number {
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if (!preferred) {
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return available.length > 0 ? 0 : undefined;
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}
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// On Linux and Mac, the default device is at index 0.
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// On Windows, there are two default devices, as presented by RingRTC:
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// * The default communications device (for voice calls, at index 0)
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// * the default device (for, e.g., media, at index 1)
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if (
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preferred.index === 0 ||
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(isWindows && preferred.index === 1 && available.length >= 2)
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) {
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return preferred.index;
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}
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if (preferred.uniqueId) {
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const idMatchIndex = available.findIndex(
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d => d.uniqueId === preferred.uniqueId
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);
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if (idMatchIndex !== -1) {
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return idMatchIndex;
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}
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}
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const nameMatchIndex = available.findIndex(d => d.name === preferred.name);
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if (nameMatchIndex !== -1) {
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return nameMatchIndex;
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}
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return available.length > 0 ? 0 : undefined;
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}
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export function findBestMatchingCameraId(
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available: ReadonlyArray<MediaDeviceInfo>,
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preferred?: string
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): undefined | string {
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const matchingId = available.filter(d => d.deviceId === preferred);
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const nonInfrared = available.filter(d => !d.label.includes('IR Camera'));
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// By default, pick the first non-IR camera (but allow the user to pick the
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// infrared if they so desire)
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if (matchingId.length > 0) {
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return matchingId[0].deviceId;
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}
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if (nonInfrared.length > 0) {
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return nonInfrared[0].deviceId;
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}
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return undefined;
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}
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