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/*
* SPDX-FileCopyrightText: Copyright (c) 2024 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
* SPDX-License-Identifier: Apache-2.0
*
* 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.
*/
import { JSX } from "react";
import { MicAccessState, MicrophoneState } from "../../hooks/useMicrophone";
import useRealTimeVolume from "../../hooks/useRealTimeVolume";
import useRequestAnimationFrame from "../../hooks/useRequestAnimationFrame";
import Loading from "../Loading";
import "./index.css";
interface Props {
micState: MicrophoneState;
onEnableMic: () => void;
onDisableMic: () => void;
audioSource: AudioNode | null;
}
export default function UserSpeechInput({
micState,
onEnableMic,
onDisableMic,
audioSource,
}: Props) {
const isError = micState.micAccessState === MicAccessState.ERROR;
const isLoading = micState.micAccessState === MicAccessState.LOADING;
const isMicEnabled = micState.isRecording;
const realTimeVolume = useRealTimeVolume(audioSource, 5);
useRequestAnimationFrame();
const isUserActivelySpeaking = realTimeVolume !== 0;
const styles: React.CSSProperties = {};
if (isMicEnabled && isUserActivelySpeaking) {
styles[
"boxShadow"
] = `0 0 0px ${realTimeVolume}px var(--bot-volume-active-box-shadow-bg)`;
styles["borderColor"] = "var(--active-audio-border-color)";
}
function onClickMic() {
if (micState.isRecording) {
onDisableMic();
} else {
onEnableMic();
}
}
const [icon, title] = micIcon(isLoading, isError, isMicEnabled);
return (
<div className="user-speech-input-area">
<button
className="mic-button"
onClick={onClickMic}
disabled={isError}
style={styles}
title={title}
>
{icon}
</button>
</div>
);
}
function micIcon(
isLoading: boolean,
isError: boolean,
isMicEnabled: boolean
): [JSX.Element, string] {
if (isLoading) {
return [<Loading />, "accessing microphone..."];
}
if (isError) {
return [
<span className="material-symbols-outlined">priority_high</span>,
"an error occurred while accessing the microphone",
];
}
if (isMicEnabled) {
return [
<span className="material-symbols-outlined">mic</span>,
"The microphone is enabled. Click to mute",
];
}
return [
<span className="material-symbols-outlined">mic_off</span>,
"The microphone is disabled. Click to unmute",
];
}
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