cfy666
e95b1603c1
之前语言设置只影响后端 AI 行为，前端 UI 文字始终为中文。 新增轻量 i18n 模块（React Context + 翻译字典），切换语言后所有 UI 文字即时刷新。 - 新增 i18n 核心模块和 zh-CN/en-US/ja-JP 翻译文件（约 72 个 key） - App.tsx 拆分为 App（Provider）+ AppContent（业务），确保 Hook 可访问 Context - 所有组件通过 useI18n().t() 获取翻译文本 - errors.ts 改为接受翻译函数参数 - storage.ts saveConfig 时派发事件通知 locale 变化
54 lines
1.7 KiB
TypeScript
54 lines
1.7 KiB
TypeScript
// ============================================================
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// MicManager — 麦克风音频采集
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// 职责：获取麦克风 MediaStream，供 VAD 和音频录制使用
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// ============================================================
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import { useCallback, useRef, useState } from "react";
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import { useI18n } from "../../lib/i18n";
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export function useMicrophone() {
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const { t } = useI18n();
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const [stream, setStream] = useState<MediaStream | null>(null);
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const [error, setError] = useState<string | null>(null);
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const audioContextRef = useRef<AudioContext | null>(null);
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const startMic = useCallback(async () => {
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try {
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const mediaStream = await navigator.mediaDevices.getUserMedia({
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audio: {
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sampleRate: 16000,
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channelCount: 1,
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echoCancellation: true,
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noiseSuppression: true,
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},
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video: false,
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});
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setStream(mediaStream);
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setError(null);
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return mediaStream;
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} catch (err) {
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const message = err instanceof Error ? err.message : t("error.micAccess");
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setError(message);
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console.error("[Mic] 获取麦克风失败:", err);
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return null;
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}
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}, []);
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const stopMic = useCallback(() => {
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stream?.getTracks().forEach((track) => track.stop());
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setStream(null);
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audioContextRef.current?.close();
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audioContextRef.current = null;
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}, [stream]);
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/** 获取或创建 AudioContext */
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const getAudioContext = useCallback((): AudioContext => {
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if (!audioContextRef.current) {
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audioContextRef.current = new AudioContext({ sampleRate: 16000 });
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}
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return audioContextRef.current;
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}, []);
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return { stream, error, startMic, stopMic, getAudioContext };
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}
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