25 lines
642 B
TypeScript
25 lines
642 B
TypeScript
// Copyright 2022 Signal Messenger, LLC
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// SPDX-License-Identifier: AGPL-3.0-only
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// See https://github.com/signalapp/Signal-Android/blob/b527b2ffb94fb82a7508c3b33ddbffef28085349/app/src/main/java/org/thoughtcrime/securesms/events/CallParticipant.kt#L87-L100
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const LOWEST = 500 / 32767;
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const LOW = 1000 / 32767;
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const MEDIUM = 5000 / 32767;
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const HIGH = 16000 / 32767;
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export function truncateAudioLevel(audioLevel: number): number {
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if (audioLevel < LOWEST) {
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return 0;
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}
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if (audioLevel < LOW) {
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return 0.25;
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}
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if (audioLevel < MEDIUM) {
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return 0.5;
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}
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if (audioLevel < HIGH) {
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return 0.75;
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}
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return 1;
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}
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