mirror of
https://github.com/algerkong/AlgerMusicPlayer.git
synced 2026-04-14 23:11:00 +08:00
✨ feat: 添加EQ音效调节功能 实时调节以及多个预设提供
This commit is contained in:
alger
@@ -2,15 +2,57 @@ import { Howl } from 'howler';
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import type { SongResult } from '@/type/music';
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interface Window {
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webkitAudioContext: typeof AudioContext;
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}
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interface HowlSound {
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node: HTMLMediaElement & {
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audioSource?: MediaElementAudioSourceNode;
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};
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}
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class AudioService {
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private currentSound: Howl | null = null;
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private currentTrack: SongResult | null = null;
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private context: AudioContext | null = null;
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private filters: BiquadFilterNode[] = [];
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private source: MediaElementAudioSourceNode | null = null;
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private gainNode: GainNode | null = null;
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private bypass = false;
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// 预设的 EQ 频段
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private readonly frequencies = [31, 62, 125, 250, 500, 1000, 2000, 4000, 8000, 16000];
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// 默认的 EQ 设置
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private defaultEQSettings: { [key: string]: number } = {
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'31': 0,
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'62': 0,
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'125': 0,
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'250': 0,
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'500': 0,
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'1000': 0,
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'2000': 0,
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'4000': 0,
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'8000': 0,
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'16000': 0
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};
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private retryCount = 0;
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constructor() {
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if ('mediaSession' in navigator) {
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this.initMediaSession();
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}
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// 从本地存储加载 EQ 开关状态
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const bypassState = localStorage.getItem('eqBypass');
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this.bypass = bypassState ? JSON.parse(bypassState) : false;
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}
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private initMediaSession() {
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@@ -120,6 +162,198 @@ class AudioService {
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}
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}
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// EQ 相关方法
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public isEQEnabled(): boolean {
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return !this.bypass;
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}
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public setEQEnabled(enabled: boolean) {
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this.bypass = !enabled;
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localStorage.setItem('eqBypass', JSON.stringify(this.bypass));
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if (this.source && this.gainNode && this.context) {
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this.applyBypassState();
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}
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}
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public setEQFrequencyGain(frequency: string, gain: number) {
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const filterIndex = this.frequencies.findIndex((f) => f.toString() === frequency);
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if (filterIndex !== -1 && this.filters[filterIndex]) {
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this.filters[filterIndex].gain.setValueAtTime(gain, this.context?.currentTime || 0);
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this.saveEQSettings(frequency, gain);
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}
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}
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public resetEQ() {
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this.filters.forEach((filter) => {
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filter.gain.setValueAtTime(0, this.context?.currentTime || 0);
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});
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localStorage.removeItem('eqSettings');
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}
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public getAllEQSettings(): { [key: string]: number } {
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return this.loadEQSettings();
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}
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private saveEQSettings(frequency: string, gain: number) {
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const settings = this.loadEQSettings();
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settings[frequency] = gain;
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localStorage.setItem('eqSettings', JSON.stringify(settings));
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}
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private loadEQSettings(): { [key: string]: number } {
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const savedSettings = localStorage.getItem('eqSettings');
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return savedSettings ? JSON.parse(savedSettings) : { ...this.defaultEQSettings };
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}
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private async disposeEQ(keepContext = false) {
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try {
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// 清理音频节点连接
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if (this.source) {
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this.source.disconnect();
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this.source = null;
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}
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// 清理滤波器
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this.filters.forEach((filter) => {
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try {
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filter.disconnect();
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} catch (e) {
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console.warn('清理滤波器时出错:', e);
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}
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});
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this.filters = [];
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// 清理增益节点
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if (this.gainNode) {
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this.gainNode.disconnect();
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this.gainNode = null;
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}
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// 如果不需要保持上下文，则关闭它
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if (!keepContext && this.context) {
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try {
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await this.context.close();
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this.context = null;
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} catch (e) {
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console.warn('关闭音频上下文时出错:', e);
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}
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}
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} catch (error) {
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console.error('清理EQ资源时出错:', error);
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}
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}
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private async setupEQ(sound: Howl) {
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try {
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const howl = sound as any;
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const audioNode = howl._sounds?.[0]?._node;
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if (!audioNode || !(audioNode instanceof HTMLMediaElement)) {
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if (this.retryCount < 3) {
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console.warn('等待音频节点初始化，重试次数:', this.retryCount + 1);
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await new Promise((resolve) => setTimeout(resolve, 100));
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this.retryCount++;
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return await this.setupEQ(sound);
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}
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throw new Error('无法获取音频节点，请重试');
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}
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this.retryCount = 0;
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// 确保使用 Howler 的音频上下文
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this.context = Howler.ctx as AudioContext;
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if (!this.context || this.context.state === 'closed') {
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Howler.ctx = new AudioContext();
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this.context = Howler.ctx;
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Howler.masterGain = this.context.createGain();
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Howler.masterGain.connect(this.context.destination);
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}
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if (this.context.state === 'suspended') {
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await this.context.resume();
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}
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// 清理现有连接
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await this.disposeEQ(true);
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try {
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// 检查节点是否已经有源
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const existingSource = (audioNode as any).source as MediaElementAudioSourceNode;
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if (existingSource?.context === this.context) {
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console.log('复用现有音频源节点');
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this.source = existingSource;
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} else {
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// 创建新的源节点
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console.log('创建新的音频源节点');
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this.source = this.context.createMediaElementSource(audioNode);
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(audioNode as any).source = this.source;
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}
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} catch (e) {
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console.error('创建音频源节点失败:', e);
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throw e;
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}
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// 创建增益节点
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this.gainNode = this.context.createGain();
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// 创建滤波器
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this.filters = this.frequencies.map((freq) => {
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const filter = this.context!.createBiquadFilter();
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filter.type = 'peaking';
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filter.frequency.value = freq;
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filter.Q.value = 1;
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filter.gain.value = this.loadEQSettings()[freq.toString()] || 0;
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return filter;
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});
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// 应用EQ状态
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this.applyBypassState();
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// 设置音量
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const volume = localStorage.getItem('volume');
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if (this.gainNode) {
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this.gainNode.gain.value = volume ? parseFloat(volume) : 1;
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}
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console.log('EQ初始化成功');
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} catch (error) {
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console.error('EQ初始化失败:', error);
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await this.disposeEQ();
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throw error;
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}
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}
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private applyBypassState() {
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if (!this.source || !this.gainNode || !this.context) return;
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try {
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// 断开所有现有连接
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this.source.disconnect();
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this.filters.forEach((filter) => filter.disconnect());
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this.gainNode.disconnect();
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if (this.bypass) {
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// EQ被禁用时，直接连接到输出
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this.source.connect(this.gainNode);
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this.gainNode.connect(this.context.destination);
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} else {
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// EQ启用时，通过滤波器链连接
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this.source.connect(this.filters[0]);
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this.filters.forEach((filter, index) => {
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if (index < this.filters.length - 1) {
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filter.connect(this.filters[index + 1]);
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}
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});
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this.filters[this.filters.length - 1].connect(this.gainNode);
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this.gainNode.connect(this.context.destination);
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}
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} catch (error) {
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console.error('应用EQ状态时出错:', error);
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}
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}
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// 播放控制相关
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play(url?: string, track?: SongResult): Promise<Howl> {
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// 如果没有提供新的 URL 和 track，且当前有音频实例，则继续播放
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@@ -137,14 +371,31 @@ class AudioService {
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let retryCount = 0;
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const maxRetries = 1;
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const tryPlay = () => {
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// 清理现有的音频实例
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if (this.currentSound) {
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this.currentSound.unload();
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this.currentSound = null;
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}
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const tryPlay = async () => {
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try {
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// 确保使用同一个音频上下文
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if (!Howler.ctx || Howler.ctx.state === 'closed') {
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Howler.ctx = new AudioContext();
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this.context = Howler.ctx;
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Howler.masterGain = this.context.createGain();
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Howler.masterGain.connect(this.context.destination);
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}
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// 恢复上下文状态
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if (Howler.ctx.state === 'suspended') {
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await Howler.ctx.resume();
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}
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// 先停止并清理现有的音频实例
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if (this.currentSound) {
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this.currentSound.stop();
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this.currentSound.unload();
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this.currentSound = null;
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}
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// 清理 EQ 但保持上下文
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await this.disposeEQ(true);
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this.currentTrack = track;
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this.currentSound = new Howl({
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src: [url],
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@@ -174,13 +425,20 @@ class AudioService {
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reject(new Error('音频播放失败，请尝试切换其他歌曲'));
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}
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},
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onload: () => {
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// 音频加载成功后更新媒体会话
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if (track && this.currentSound) {
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this.updateMediaSessionMetadata(track);
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this.updateMediaSessionPositionState();
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this.emit('load');
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resolve(this.currentSound);
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onload: async () => {
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// 音频加载成功后设置 EQ 和更新媒体会话
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if (this.currentSound) {
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try {
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await this.setupEQ(this.currentSound);
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this.updateMediaSessionMetadata(track);
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this.updateMediaSessionPositionState();
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this.emit('load');
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resolve(this.currentSound);
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} catch (error) {
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console.error('设置 EQ 失败:', error);
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// 即使 EQ 设置失败，也继续播放
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resolve(this.currentSound);
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}
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}
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}
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});
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@@ -238,6 +496,7 @@ class AudioService {
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if ('mediaSession' in navigator) {
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navigator.mediaSession.playbackState = 'none';
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}
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this.disposeEQ();
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}
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setVolume(volume: number) {
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@@ -267,6 +526,14 @@ class AudioService {
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clearAllListeners() {
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this.callbacks = {};
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}
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public getCurrentPreset(): string | null {
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return localStorage.getItem('currentPreset');
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}
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public setCurrentPreset(preset: string): void {
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localStorage.setItem('currentPreset', preset);
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}
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}
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export const audioService = new AudioService();
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190
src/renderer/services/eqService.ts
Normal file
190
src/renderer/services/eqService.ts
Normal file
@@ -0,0 +1,190 @@
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import { Howl, Howler } from 'howler';
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import Tuna from 'tunajs';
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// 类型定义扩展
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interface HowlSound {
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_sounds: Array<{
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_node: HTMLMediaElement & {
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destination?: MediaElementAudioSourceNode;
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};
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}>;
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}
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export interface EQSettings {
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[key: string]: number;
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}
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export class EQService {
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private context: AudioContext | null = null;
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private tuna: any = null;
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private equalizer: any = null;
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private source: MediaElementAudioSourceNode | null = null;
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private gainNode: GainNode | null = null;
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private howlInstance: Howl | null = null;
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private bypass = false;
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// 预设频率
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private readonly frequencies = [31, 62, 125, 250, 500, 1000, 2000, 4000, 8000, 16000];
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// 默认EQ设置
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private defaultEQSettings: EQSettings = Object.fromEntries(
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this.frequencies.map((f) => [f.toString(), 0])
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);
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constructor() {
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this.loadSavedSettings();
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this.bypass = localStorage.getItem('eqBypass') === 'true';
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this.initializeUserGestureHandler();
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}
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// 初始化用户手势处理
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private initializeUserGestureHandler() {
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const handler = async () => {
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if (this.context?.state === 'suspended') {
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await this.context.resume();
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}
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document.removeEventListener('click', handler);
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};
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document.addEventListener('click', handler);
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}
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// 初始化音频上下文
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public async setupAudioContext(howl: Howl) {
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try {
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// 使用Howler的现有上下文
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this.context = (Howler.ctx as AudioContext) || new AudioContext();
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// 初始化Howler的音频系统（如果需要）
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if (!Howler.ctx) {
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Howler.ctx = this.context;
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Howler.masterGain = this.context.createGain();
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Howler.masterGain.connect(this.context.destination);
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}
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// 确保上下文处于运行状态
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if (this.context.state === 'suspended') {
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await this.context.resume();
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}
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const sound = (howl as unknown as HowlSound)._sounds[0];
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if (!sound?._node) throw new Error('无法获取音频节点');
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// 清理现有资源
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await this.dispose();
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// 创建新的处理链
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this.tuna = new Tuna(this.context);
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this.howlInstance = howl;
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// 创建/复用源节点
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if (!sound._node.destination) {
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this.source = this.context.createMediaElementSource(sound._node);
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sound._node.destination = this.source;
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} else {
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this.source = sound._node.destination;
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}
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// 创建效果节点
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this.gainNode = this.context.createGain();
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this.equalizer = new this.tuna.Equalizer({
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frequencies: this.frequencies,
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gains: this.frequencies.map((f) => this.getSavedGain(f.toString())),
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bypass: this.bypass
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});
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// 连接节点链
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this.source!.connect(this.equalizer.input).connect(this.gainNode).connect(Howler.masterGain);
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// 恢复音量设置
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const volume = localStorage.getItem('volume');
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this.gainNode.gain.value = volume ? parseFloat(volume) : 1;
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} catch (error) {
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console.error('音频上下文初始化失败:', error);
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await this.dispose();
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throw error;
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}
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}
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// EQ功能开关
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public setEnabled(enabled: boolean) {
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this.bypass = !enabled;
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localStorage.setItem('eqBypass', JSON.stringify(this.bypass));
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if (this.equalizer) this.equalizer.bypass = this.bypass;
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}
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public isEnabled(): boolean {
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return !this.bypass;
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}
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// 调整频率增益
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public setFrequencyGain(frequency: string, gain: number) {
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const index = this.frequencies.findIndex((f) => f.toString() === frequency);
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if (index !== -1 && this.equalizer) {
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this.equalizer.setGain(index, gain);
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this.saveSettings(frequency, gain);
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}
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}
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// 重置EQ设置
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public resetEQ() {
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||||
this.frequencies.forEach((f) => {
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this.setFrequencyGain(f.toString(), 0);
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});
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||||
localStorage.removeItem('eqSettings');
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||||
}
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||||
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||||
// 获取当前设置
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||||
public getAllSettings(): EQSettings {
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return this.loadSavedSettings();
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}
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||||
|
||||
// 保存/加载设置
|
||||
private saveSettings(frequency: string, gain: number) {
|
||||
const settings = this.loadSavedSettings();
|
||||
settings[frequency] = gain;
|
||||
localStorage.setItem('eqSettings', JSON.stringify(settings));
|
||||
}
|
||||
|
||||
private loadSavedSettings(): EQSettings {
|
||||
const saved = localStorage.getItem('eqSettings');
|
||||
return saved ? JSON.parse(saved) : { ...this.defaultEQSettings };
|
||||
}
|
||||
|
||||
private getSavedGain(frequency: string): number {
|
||||
return this.loadSavedSettings()[frequency] || 0;
|
||||
}
|
||||
|
||||
// 清理资源
|
||||
public async dispose() {
|
||||
try {
|
||||
[this.source, this.equalizer, this.gainNode].forEach((node) => {
|
||||
if (node) {
|
||||
node.disconnect();
|
||||
// 特殊清理Tuna节点
|
||||
if (node instanceof Tuna.Equalizer) node.destroy();
|
||||
}
|
||||
});
|
||||
|
||||
if (this.context && this.context !== Howler.ctx) {
|
||||
await this.context.close();
|
||||
}
|
||||
|
||||
this.context = null;
|
||||
this.tuna = null;
|
||||
this.source = null;
|
||||
this.equalizer = null;
|
||||
this.gainNode = null;
|
||||
this.howlInstance = null;
|
||||
} catch (error) {
|
||||
console.error('资源清理失败:', error);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
export const eqService = new EQService();
|
||||
Reference in New Issue
Block a user