mirror of
https://github.com/unanmed/HumanBreak.git
synced 2025-01-18 11:59:26 +08:00
feat: ogg opus 解码器
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@ -22,6 +22,7 @@
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"ant-design-vue": "^3.2.20",
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"axios": "^1.7.4",
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"chart.js": "^4.4.3",
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"codec-parser": "^2.5.0",
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"eventemitter3": "^5.0.1",
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"gl-matrix": "^3.4.3",
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"gsap": "^3.12.5",
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@ -32,6 +32,9 @@ importers:
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chart.js:
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specifier: ^4.4.3
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version: 4.4.3
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codec-parser:
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specifier: ^2.5.0
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version: 2.5.0
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eventemitter3:
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specifier: ^5.0.1
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version: 5.0.1
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@ -23,6 +23,9 @@
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"21": "Incorrect render prop type is delivered. key: '$1', expected type: '$2', delivered type: '$3'",
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"22": "Incorrect props for custom tag. Please ensure you have delivered 'item' prop and other required props.",
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"23": "Cannot get reader when fetching '$1'.",
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"24": "Cannot decode stream source type of '$1', since there is no registered decoder for that type.",
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"25": "Unknown audio type. Header: '$1'",
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"26": "Uncaught error when fetching stream data from '$1'. Error info: $2.",
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"1101": "Shadow extension needs 'floor-hero' extension as dependency.",
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"1201": "Floor-damage extension needs 'floor-binder' extension as dependency.",
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"1301": "Portal extension need 'floor-binder' extension as dependency.",
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@ -74,6 +77,9 @@
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"43": "Cannot set icon of '$1', since it does not exists. Please ensure you have delivered correct icon id or number.",
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"44": "Unexpected end when loading stream audio, reason: '$1'",
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"45": "Audio route with id of '$1' has already existed. New route will override old route.",
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"46": "Cannot pipe new StreamReader object when stream is loading.",
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"47": "Audio stream decoder for audio type '$1' has already existed.",
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"48": "Sample rate in stream audio must be constant.",
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"1001": "Item-detail extension needs 'floor-binder' and 'floor-damage' extension as dependency.",
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"1101": "Cannot add new effect to point effect instance, for there's no more reserve space for it. Please increase the max count of the instance."
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}
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@ -192,8 +192,8 @@ export class DelayEffect extends AudioEffect {
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}
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export class EchoEffect extends AudioEffect {
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output: DelayNode;
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input: DelayNode;
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output: GainNode;
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input: GainNode;
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/** 延迟节点 */
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private readonly delay: DelayNode;
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@ -207,8 +207,6 @@ export class EchoEffect extends AudioEffect {
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constructor(ac: AudioContext) {
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super(ac);
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const delay = ac.createDelay();
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this.input = delay;
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this.output = delay;
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const gain = ac.createGain();
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gain.gain.value = 0.5;
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delay.delayTime.value = 0.05;
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@ -216,6 +214,8 @@ export class EchoEffect extends AudioEffect {
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gain.connect(delay);
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this.delay = delay;
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this.gainNode = gain;
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this.input = gain;
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this.output = gain;
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}
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/**
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@ -100,6 +100,11 @@ export class AudioPlayer extends EventEmitter<AudioPlayerEvent> {
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/**
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* 创建一个修改音量的效果器
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* ```txt
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* |----------|
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* Input ----> | GainNode | ----> Output
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* |----------|
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* ```
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*/
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createVolumeEffect() {
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return new VolumeEffect(this.ac);
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@ -107,6 +112,11 @@ export class AudioPlayer extends EventEmitter<AudioPlayerEvent> {
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/**
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* 创建一个立体声效果器
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* ```txt
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* |------------|
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* Input ----> | PannerNode | ----> Output
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* |------------|
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* ```
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*/
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createStereoEffect() {
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return new StereoEffect(this.ac);
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@ -114,6 +124,15 @@ export class AudioPlayer extends EventEmitter<AudioPlayerEvent> {
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/**
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* 创建一个修改单个声道音量的效果器
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* ```txt
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* |----------|
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* -> | GainNode | \
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* |--------------| / |----------| -> |------------|
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* Input ----> | SplitterNode | ...... | MergerNode | ----> Output
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* |--------------| \ |----------| -> |------------|
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* -> | GainNode | /
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* |----------|
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* ```
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*/
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createChannelVolumeEffect() {
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return new ChannelVolumeEffect(this.ac);
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@ -121,6 +140,15 @@ export class AudioPlayer extends EventEmitter<AudioPlayerEvent> {
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/**
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* 创建一个回声效果器
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* ```txt
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* |----------|
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* Input ----> | GainNode | ----> Output
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* ^ |----------| |
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* | |
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* | |------------| ↓
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* |-- | Delay Node | <--
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* |------------|
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* ```
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*/
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createEchoEffect() {
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return new EchoEffect(this.ac);
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@ -2,6 +2,9 @@ import EventEmitter from 'eventemitter3';
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import { IStreamController, IStreamReader } from '../loader';
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import { IAudioInput, IAudioOutput } from './effect';
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import { logger } from '@/core/common/logger';
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import { AudioType } from './support';
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import CodecParser, { CodecFrame, MimeType, OggPage } from 'codec-parser';
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import { isNil } from 'lodash-es';
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interface AudioSourceEvent {
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play: [];
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@ -46,7 +49,70 @@ export abstract class AudioSource
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abstract setLoop(loop: boolean): void;
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}
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export interface IAudioDecodeError {
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/** 错误信息 */
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message: string;
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}
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export interface IAudioDecodeData {
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/** 每个声道的音频信息 */
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channelData: Float32Array[];
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/** 已经被解码的 PCM 采样数 */
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samplesDecoded: number;
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/** 音频采样率 */
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sampleRate: number;
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/** 解码错误信息 */
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errors: IAudioDecodeError[];
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}
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export interface IAudioDecoder {
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/**
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* 创建音频解码器
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*/
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create(): Promise<void>;
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/**
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* 摧毁这个解码器
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*/
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destroy(): void;
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/**
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* 解码流数据
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* @param data 流数据
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*/
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decode(data: Uint8Array): Promise<IAudioDecodeData>;
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/**
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* 当音频解码完成后，会调用此函数，需要返回之前还未解析或未返回的音频数据。调用后，该解码器将不会被再次使用
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*/
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flush(): Promise<IAudioDecodeData>;
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}
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const fileSignatures: Map<string, AudioType> = new Map([
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['49 44 33', AudioType.Mp3],
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['4F 67 67 53', AudioType.Ogg],
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['52 49 46 46', AudioType.Wav],
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['66 4C 61 43', AudioType.Flac],
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['4F 70 75 73', AudioType.Opus],
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['FF F1', AudioType.Aac],
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['FF F9', AudioType.Aac]
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]);
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const mimeTypeMap: Record<AudioType, MimeType> = {
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[AudioType.Aac]: 'audio/aac',
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[AudioType.Flac]: 'audio/flac',
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[AudioType.Mp3]: 'audio/mpeg',
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[AudioType.Ogg]: 'application/ogg',
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[AudioType.Opus]: 'application/ogg',
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[AudioType.Wav]: 'application/ogg'
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};
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function isOggPage(data: any): data is OggPage {
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return !isNil(data.isFirstPage);
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}
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export class AudioStreamSource extends AudioSource implements IStreamReader {
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static readonly decoderMap: Map<AudioType, IAudioDecoder> = new Map();
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output: AudioBufferSourceNode;
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/** 音频数据 */
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@ -54,34 +120,263 @@ export class AudioStreamSource extends AudioSource implements IStreamReader {
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/** 是否已经完全加载完毕 */
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loaded: boolean = false;
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/** 已经缓冲了多长时间，如果缓冲完那么跟歌曲时长一致 */
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buffered: number = 0;
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/** 已经缓冲的采样点数量 */
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bufferedSamples: number = 0;
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/** 歌曲时长，加载完毕之前保持为 0 */
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duration: number = 0;
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/** 在流传输阶段，至少缓冲多长时间的音频之后才开始播放，单位秒 */
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bufferPlayDuration: number = 1;
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/** 音频的采样率，未成功解析出之前保持为 0 */
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sampleRate: number = 0;
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private controller?: IStreamController;
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private loop: boolean = false;
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private target?: IAudioInput;
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/** 开始播放时刻 */
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private lastStartTime: number = 0;
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/** 是否已经获取到头文件 */
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private headerRecieved: boolean = false;
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/** 音频类型 */
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private audioType: AudioType | '' = '';
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/** 音频解码器 */
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private decoder?: IAudioDecoder;
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/** 音频解析器 */
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private parser?: CodecParser;
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/** 每多长时间组成一个缓存 Float32Array */
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private bufferChunkSize = 10;
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/** 缓存音频数据，每 bufferChunkSize 秒钟组成一个 Float32Array，用于流式解码 */
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private audioData: Float32Array[][] = [];
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/**
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* 注册一个解码器
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* @param type 要注册的解码器允许解码的类型
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* @param decoder 解码器对象
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*/
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static registerDecoder(type: AudioType, decoder: IAudioDecoder) {
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if (this.decoderMap.has(type)) {
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logger.warn(47, type);
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return;
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}
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this.decoderMap.set(type, decoder);
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}
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constructor(context: AudioContext) {
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super(context);
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this.output = context.createBufferSource();
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}
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/**
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* 设置每个缓存数据的大小，默认为10秒钟一个缓存数据
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* @param size 每个缓存数据的时长，单位秒
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*/
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setChunkSize(size: number) {
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if (this.controller?.loading || this.loaded) return;
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this.bufferChunkSize = size;
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}
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piped(controller: IStreamController): void {
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this.controller = controller;
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}
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pump(data: Uint8Array | undefined): void {
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async pump(data: Uint8Array | undefined, done: boolean): Promise<void> {
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if (!data) return;
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if (!this.headerRecieved) {
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// 检查头文件获取音频类型
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const toCheck = [...data.slice(0, 16)];
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const hexArray = toCheck.map(v => v.toString(16).padStart(2, '0'));
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const hex = hexArray.join(' ');
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for (const [key, value] of fileSignatures) {
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if (hex.startsWith(key)) {
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this.audioType = value;
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break;
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}
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}
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if (!this.audioType) {
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logger.error(25, hex);
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return;
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}
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// 创建解码器
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const decoder = AudioStreamSource.decoderMap.get(this.audioType);
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this.decoder = decoder;
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if (!decoder) {
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logger.error(24, this.audioType);
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return Promise.reject(
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`Cannot decode stream source type of '${this.audioType}', since there is no registered decoder for that type.`
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);
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}
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// 创建数据解析器
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const mime = mimeTypeMap[this.audioType];
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const parser = new CodecParser(mime);
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this.parser = parser;
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await decoder.create();
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this.headerRecieved = true;
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}
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const decoder = this.decoder;
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const parser = this.parser;
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if (!decoder || !parser) {
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return Promise.reject(
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'No parser or decoder attached in this AudioStreamSource'
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);
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}
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await this.decodeData(data, decoder, parser);
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if (done) await this.decodeFlushData(decoder, parser);
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this.checkBufferedPlay();
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}
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start(): void {
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/**
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* 检查采样率，如果还未解析出采样率，那么将设置采样率，如果当前采样率与之前不同，那么发出警告
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*/
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private checkSampleRate(info: (OggPage | CodecFrame)[]) {
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const first = info[0];
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if (first) {
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const frame = isOggPage(first) ? first.codecFrames[0] : first;
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if (frame) {
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const rate = frame.header.sampleRate;
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if (this.sampleRate === 0) {
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this.sampleRate = rate;
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} else {
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if (rate !== this.sampleRate) {
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logger.warn(48);
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}
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}
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}
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}
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}
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/**
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* 解析音频数据
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*/
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private async decodeData(
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data: Uint8Array,
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decoder: IAudioDecoder,
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parser: CodecParser
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) {
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// 解析音频数据
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const audioData = await decoder.decode(data);
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// @ts-expect-error 库类型声明错误
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const audioInfo = [...parser.parseChunk(data)] as (
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| OggPage
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| CodecFrame
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)[];
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// 检查采样率
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this.checkSampleRate(audioInfo);
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// 追加音频数据
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this.appendDecodedData(audioData, audioInfo);
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}
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/**
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* 解码剩余数据
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*/
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private async decodeFlushData(decoder: IAudioDecoder, parser: CodecParser) {
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const audioData = await decoder.flush();
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// @ts-expect-error 库类型声明错误
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const audioInfo = [...parser.flush()] as (OggPage | CodecFrame)[];
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this.checkSampleRate(audioInfo);
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this.appendDecodedData(audioData, audioInfo);
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}
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/**
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* 追加音频数据
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*/
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private appendDecodedData(
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data: IAudioDecodeData,
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info: (CodecFrame | OggPage)[]
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) {
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const channels = data.channelData.length;
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if (channels === 0) return;
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if (this.audioData.length !== channels) {
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this.audioData = [];
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for (let i = 0; i < channels; i++) {
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this.audioData.push([]);
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}
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}
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// 计算出应该放在哪
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const chunk = this.sampleRate * this.bufferChunkSize;
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const sampled = this.bufferedSamples;
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const pushIndex = Math.floor(sampled / chunk);
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const bufferIndex = sampled % (this.sampleRate * chunk);
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const dataLength = data.channelData[0].length;
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const restLength = chunk - bufferIndex;
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// 把数据放入缓存
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for (let i = 0; i < channels; i++) {
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const audioData = this.audioData[i];
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if (!audioData[pushIndex]) {
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audioData.push(new Float32Array(chunk * this.sampleRate));
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}
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audioData[pushIndex].set(data.channelData[i], bufferIndex);
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if (restLength < dataLength) {
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const nextData = new Float32Array(chunk * this.sampleRate);
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nextData.set(data.channelData[i].slice(restLength), 0);
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audioData.push(nextData);
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}
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}
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this.buffered += info.reduce((prev, curr) => prev + curr.duration, 0);
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this.bufferedSamples += info.reduce(
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(prev, curr) => prev + curr.samples,
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0
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);
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}
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/**
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* 检查已缓冲内容，并在未开始播放时播放
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*/
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private checkBufferedPlay() {
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if (this.playing || this.loaded) return;
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const played = this.ac.currentTime - this.lastStartTime;
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const dt = this.buffered - played;
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if (dt < this.bufferPlayDuration) return;
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// 需要播放
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const buffer = this.ac.createBuffer(
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this.audioData.length,
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this.bufferedSamples,
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this.sampleRate
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);
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this.buffer = buffer;
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const chunk = this.sampleRate * this.bufferChunkSize;
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const bufferedChunks = Math.floor(this.buffered / chunk);
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const restLength = this.buffered % chunk;
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for (let i = 0; i < this.audioData.length; i++) {
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const audio = this.audioData[i];
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const data = new Float32Array(this.bufferedSamples);
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for (let j = 0; j < bufferedChunks; j++) {
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data.set(audio[j], chunk * j);
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}
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if (restLength !== 0) data.set(audio[bufferedChunks], 0);
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buffer.copyToChannel(data, i, 0);
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}
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this.createSourceNode(buffer);
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this.output.start(played);
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this.lastStartTime = this.ac.currentTime;
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this.output.addEventListener('ended', () => {
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this.checkBufferedPlay();
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});
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}
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private mergeBuffers() {}
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async start() {
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delete this.buffer;
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this.headerRecieved = false;
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this.audioType = '';
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}
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end(done: boolean, reason?: string): void {
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if (done) {
|
||||
this.loaded = true;
|
||||
delete this.controller;
|
||||
this.mergeBuffers();
|
||||
const played = this.ac.currentTime - this.lastStartTime;
|
||||
this.output.stop();
|
||||
this.play(played);
|
||||
} else {
|
||||
logger.warn(44, reason ?? '');
|
||||
}
|
||||
@ -93,29 +388,34 @@ export class AudioStreamSource extends AudioSource implements IStreamReader {
|
||||
this.playing = true;
|
||||
this.lastStartTime = this.ac.currentTime;
|
||||
this.emit('play');
|
||||
this.createSourceNode(this.buffer);
|
||||
this.output.start(when);
|
||||
this.output.addEventListener('ended', () => {
|
||||
this.playing = false;
|
||||
this.emit('end');
|
||||
if (this.loop) this.play(0);
|
||||
if (this.loop && !this.output.loop) this.play(0);
|
||||
});
|
||||
} else {
|
||||
this.controller?.start();
|
||||
}
|
||||
}
|
||||
|
||||
private createSourceNode(buffer: AudioBuffer) {
|
||||
if (!this.target) return;
|
||||
const node = this.ac.createBufferSource();
|
||||
node.buffer = buffer;
|
||||
this.output = node;
|
||||
node.connect(this.target.input);
|
||||
node.loop = this.loop;
|
||||
}
|
||||
|
||||
stop(): number {
|
||||
this.output.stop();
|
||||
return this.ac.currentTime - this.lastStartTime;
|
||||
}
|
||||
|
||||
connect(target: IAudioInput): void {
|
||||
if (!this.buffer) return;
|
||||
const node = this.ac.createBufferSource();
|
||||
node.buffer = this.buffer;
|
||||
this.output = node;
|
||||
node.connect(target.input);
|
||||
node.loop = this.loop;
|
||||
this.target = target;
|
||||
}
|
||||
|
||||
setLoop(loop: boolean): void {
|
||||
@ -185,6 +485,7 @@ export class AudioBufferSource extends AudioSource {
|
||||
|
||||
/** 播放开始时刻 */
|
||||
private lastStartTime: number = 0;
|
||||
private target?: IAudioInput;
|
||||
|
||||
constructor(context: AudioContext) {
|
||||
super(context);
|
||||
@ -204,28 +505,35 @@ export class AudioBufferSource extends AudioSource {
|
||||
}
|
||||
|
||||
play(when?: number): void {
|
||||
if (this.playing) return;
|
||||
if (this.playing || !this.buffer) return;
|
||||
this.playing = true;
|
||||
this.lastStartTime = this.ac.currentTime;
|
||||
this.emit('play');
|
||||
this.createSourceNode(this.buffer);
|
||||
this.output.start(when);
|
||||
this.output.addEventListener('ended', () => {
|
||||
this.playing = false;
|
||||
this.emit('end');
|
||||
if (this.loop) this.play(0);
|
||||
if (this.loop && !this.output.loop) this.play(0);
|
||||
});
|
||||
}
|
||||
|
||||
private createSourceNode(buffer: AudioBuffer) {
|
||||
if (!this.target) return;
|
||||
const node = this.ac.createBufferSource();
|
||||
node.buffer = buffer;
|
||||
this.output = node;
|
||||
node.connect(this.target.input);
|
||||
node.loop = this.loop;
|
||||
}
|
||||
|
||||
stop(): number {
|
||||
this.output.stop();
|
||||
return this.ac.currentTime - this.lastStartTime;
|
||||
}
|
||||
|
||||
connect(target: IAudioInput): void {
|
||||
if (!this.buffer) return;
|
||||
const node = this.ac.createBufferSource();
|
||||
node.buffer = this.buffer;
|
||||
node.connect(target.input);
|
||||
this.target = target;
|
||||
}
|
||||
|
||||
setLoop(loop: boolean): void {
|
||||
|
||||
@ -2,11 +2,20 @@ const audio = new Audio();
|
||||
|
||||
const supportMap = new Map<string, boolean>();
|
||||
|
||||
export const enum AudioType {
|
||||
Mp3 = 'audio/mpeg',
|
||||
Wav = 'audio/wav; codecs="1"',
|
||||
Flac = 'audio/flac',
|
||||
Opus = 'audio/ogg; codecs="opus"',
|
||||
Ogg = 'audio/ogg; codecs="vorbis"',
|
||||
Aac = 'audio/aac'
|
||||
}
|
||||
|
||||
/**
|
||||
* 检查一种音频类型是否能被播放
|
||||
* @param type 音频类型
|
||||
*/
|
||||
export function isAudioSupport(type: string): boolean {
|
||||
export function isAudioSupport(type: AudioType): boolean {
|
||||
if (supportMap.has(type)) return supportMap.get(type)!;
|
||||
else {
|
||||
const support = audio.canPlayType(type);
|
||||
@ -22,7 +31,7 @@ const typeMap = new Map<string, string>([
|
||||
['wav', 'audio/wav; codecs="1"'],
|
||||
['flac', 'audio/flac'],
|
||||
['opus', 'audio/ogg; codecs="opus"'],
|
||||
['acc', 'audio/acc']
|
||||
['aac', 'audio/aac']
|
||||
]);
|
||||
|
||||
/**
|
||||
@ -36,11 +45,11 @@ export function guessTypeByExt(file: string) {
|
||||
return typeMap.get(type.toLocaleLowerCase()) ?? '';
|
||||
}
|
||||
|
||||
isAudioSupport('audio/ogg; codecs="vorbis"');
|
||||
isAudioSupport('audio/mpeg');
|
||||
isAudioSupport('audio/wav; codecs="1"');
|
||||
isAudioSupport('audio/flac');
|
||||
isAudioSupport('audio/ogg; codecs="opus"');
|
||||
isAudioSupport('audio/acc');
|
||||
isAudioSupport(AudioType.Ogg);
|
||||
isAudioSupport(AudioType.Mp3);
|
||||
isAudioSupport(AudioType.Wav);
|
||||
isAudioSupport(AudioType.Flac);
|
||||
isAudioSupport(AudioType.Opus);
|
||||
isAudioSupport(AudioType.Aac);
|
||||
|
||||
console.log(supportMap);
|
||||
|
||||
@ -2,6 +2,8 @@ import { logger } from '@/core/common/logger';
|
||||
import EventEmitter from 'eventemitter3';
|
||||
|
||||
export interface IStreamController<T = void> {
|
||||
readonly loading: boolean;
|
||||
|
||||
/**
|
||||
* 开始流传输
|
||||
*/
|
||||
@ -20,7 +22,11 @@ export interface IStreamReader<T = any> {
|
||||
* @param data 传入的字节流数据，只包含本分块的内容
|
||||
* @param done 是否传输完成
|
||||
*/
|
||||
pump(data: Uint8Array | undefined, done: boolean): void;
|
||||
pump(
|
||||
data: Uint8Array | undefined,
|
||||
done: boolean,
|
||||
response: Response
|
||||
): Promise<void>;
|
||||
|
||||
/**
|
||||
* 当前对象被传递给加载流时执行的函数
|
||||
@ -33,7 +39,11 @@ export interface IStreamReader<T = any> {
|
||||
* @param stream 传输流对象
|
||||
* @param controller 传输流控制对象
|
||||
*/
|
||||
start(stream: ReadableStream, controller: IStreamController<T>): void;
|
||||
start(
|
||||
stream: ReadableStream,
|
||||
controller: IStreamController<T>,
|
||||
response: Response
|
||||
): Promise<void>;
|
||||
|
||||
/**
|
||||
* 结束流传输
|
||||
@ -56,7 +66,7 @@ export class StreamLoader
|
||||
/** 读取流对象 */
|
||||
private stream?: ReadableStream;
|
||||
|
||||
private loading: boolean = false;
|
||||
loading: boolean = false;
|
||||
|
||||
constructor(public readonly url: string) {
|
||||
super();
|
||||
@ -67,6 +77,10 @@ export class StreamLoader
|
||||
* @param reader 字节流读取对象
|
||||
*/
|
||||
pipe(reader: IStreamReader) {
|
||||
if (this.loading) {
|
||||
logger.warn(46);
|
||||
return;
|
||||
}
|
||||
this.target.add(reader);
|
||||
return this;
|
||||
}
|
||||
@ -83,17 +97,26 @@ export class StreamLoader
|
||||
// 获取读取器
|
||||
this.stream = stream;
|
||||
const reader = response.body?.getReader();
|
||||
this.target.forEach(v => v.start(stream, this));
|
||||
const targets = [...this.target];
|
||||
try {
|
||||
await Promise.all(
|
||||
targets.map(v => v.start(stream, this, response))
|
||||
);
|
||||
|
||||
// 开始流传输
|
||||
while (true) {
|
||||
const { value, done } = await reader.read();
|
||||
this.target.forEach(v => v.pump(value, done));
|
||||
if (done) break;
|
||||
// 开始流传输
|
||||
while (true) {
|
||||
const { value, done } = await reader.read();
|
||||
await Promise.all(
|
||||
targets.map(v => v.pump(value, done, response))
|
||||
);
|
||||
if (done) break;
|
||||
}
|
||||
|
||||
this.loading = false;
|
||||
targets.forEach(v => v.end(true));
|
||||
} catch (e) {
|
||||
logger.error(26, this.url, String(e));
|
||||
}
|
||||
|
||||
this.loading = false;
|
||||
this.target.forEach(v => v.end(true));
|
||||
}
|
||||
|
||||
cancel(reason?: string) {
|
||||
|
||||
Loading…
Reference in New Issue
Block a user