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refactor: audio.ts
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linyuchen
parent
5a0dbdb5ce
commit
36f7f1b026
134
src/common/utils/audio.ts
Normal file
134
src/common/utils/audio.ts
Normal file
@ -0,0 +1,134 @@
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import fs from "fs";
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import {encode, getDuration, getWavFileInfo, isWav} from "silk-wasm";
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import fsPromise from "fs/promises";
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import {log} from "./log";
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import path from "node:path";
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import {DATA_DIR} from "./index";
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import {v4 as uuidv4} from "uuid";
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import {getConfigUtil} from "../config";
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import ffmpeg from "fluent-ffmpeg";
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export async function encodeSilk(filePath: string) {
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function getFileHeader(filePath: string) {
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// 定义要读取的字节数
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const bytesToRead = 7;
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try {
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const buffer = fs.readFileSync(filePath, {
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encoding: null,
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flag: "r",
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});
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const fileHeader = buffer.toString("hex", 0, bytesToRead);
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return fileHeader;
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} catch (err) {
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console.error("读取文件错误:", err);
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return;
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}
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}
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async function isWavFile(filePath: string) {
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return isWav(fs.readFileSync(filePath));
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}
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async function guessDuration(pttPath: string) {
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const pttFileInfo = await fsPromise.stat(pttPath)
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let duration = pttFileInfo.size / 1024 / 3 // 3kb/s
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duration = Math.floor(duration)
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duration = Math.max(1, duration)
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log(`通过文件大小估算语音的时长:`, duration)
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return duration
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}
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// function verifyDuration(oriDuration: number, guessDuration: number) {
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// // 单位都是秒
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// if (oriDuration - guessDuration > 10) {
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// return guessDuration
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// }
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// oriDuration = Math.max(1, oriDuration)
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// return oriDuration
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// }
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// async function getAudioSampleRate(filePath: string) {
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// try {
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// const mm = await import('music-metadata');
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// const metadata = await mm.parseFile(filePath);
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// log(`${filePath}采样率`, metadata.format.sampleRate);
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// return metadata.format.sampleRate;
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// } catch (error) {
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// log(`${filePath}采样率获取失败`, error.stack);
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// // console.error(error);
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// }
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// }
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try {
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const pttPath = path.join(DATA_DIR, uuidv4());
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if (getFileHeader(filePath) !== "02232153494c4b") {
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log(`语音文件${filePath}需要转换成silk`)
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const _isWav = await isWavFile(filePath);
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const wavPath = pttPath + ".wav"
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const convert = async () => {
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return await new Promise((resolve, reject) => {
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const ffmpegPath = getConfigUtil().getConfig().ffmpeg;
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if (ffmpegPath) {
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ffmpeg.setFfmpegPath(ffmpegPath);
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}
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ffmpeg(filePath).toFormat("wav").audioChannels(1).audioFrequency(24000).on('end', function () {
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log('wav转换完成');
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})
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.on('error', function (err) {
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log(`wav转换出错: `, err.message,);
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reject(err);
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})
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.save(wavPath)
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.on("end", () => {
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filePath = wavPath
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resolve(wavPath);
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});
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})
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}
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let wav: Buffer
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if (!_isWav) {
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log(`语音文件${filePath}正在转换成wav`)
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await convert()
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} else {
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wav = fs.readFileSync(filePath)
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const allowSampleRate = [8000, 12000, 16000, 24000, 32000, 44100, 48000]
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const {fmt} = getWavFileInfo(wav)
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if (!allowSampleRate.includes(fmt.sampleRate)) {
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wav = undefined
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await convert()
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}
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}
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wav ||= fs.readFileSync(filePath);
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const silk = await encode(wav, 0);
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fs.writeFileSync(pttPath, silk.data);
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fs.unlink(wavPath, (err) => {
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});
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const gDuration = await guessDuration(pttPath)
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log(`语音文件${filePath}转换成功!`, pttPath, `时长:`, silk.duration)
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return {
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converted: true,
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path: pttPath,
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duration: silk.duration / 1000
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};
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} else {
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const silk = fs.readFileSync(filePath);
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let duration = 0;
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const gDuration = await guessDuration(filePath)
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try {
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duration = getDuration(silk) / 1000
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} catch (e) {
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log("获取语音文件时长失败, 使用文件大小推测时长", filePath, e.stack)
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duration = gDuration;
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}
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return {
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converted: false,
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path: filePath,
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duration: duration,
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};
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}
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} catch (error) {
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log("convert silk failed", error.stack);
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return {};
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}
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}
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@ -1,13 +1,10 @@
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import fs from "fs";
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import fsPromise from "fs/promises";
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import crypto from "crypto";
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import ffmpeg from "fluent-ffmpeg";
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import util from "util";
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import {encode, getDuration, isWav, getWavFileInfo} from "silk-wasm";
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import path from "node:path";
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import {v4 as uuidv4} from "uuid";
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import {checkFfmpeg, DATA_DIR, log, TEMP_DIR} from "./index";
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import {getConfigUtil} from "../config";
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import {log, TEMP_DIR} from "./index";
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import {dbUtil} from "../db";
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import * as fileType from "file-type";
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import {net} from "electron";
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@ -66,133 +63,6 @@ export async function file2base64(path: string) {
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return result;
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}
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export async function encodeSilk(filePath: string) {
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const fsp = require("fs").promises
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function getFileHeader(filePath: string) {
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// 定义要读取的字节数
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const bytesToRead = 7;
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try {
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const buffer = fs.readFileSync(filePath, {
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encoding: null,
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flag: "r",
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});
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const fileHeader = buffer.toString("hex", 0, bytesToRead);
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return fileHeader;
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} catch (err) {
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console.error("读取文件错误:", err);
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return;
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}
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}
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async function isWavFile(filePath: string) {
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return isWav(fs.readFileSync(filePath));
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}
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async function guessDuration(pttPath: string) {
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const pttFileInfo = await fsPromise.stat(pttPath)
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let duration = pttFileInfo.size / 1024 / 3 // 3kb/s
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duration = Math.floor(duration)
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duration = Math.max(1, duration)
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log(`通过文件大小估算语音的时长:`, duration)
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return duration
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}
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// function verifyDuration(oriDuration: number, guessDuration: number) {
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// // 单位都是秒
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// if (oriDuration - guessDuration > 10) {
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// return guessDuration
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// }
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// oriDuration = Math.max(1, oriDuration)
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// return oriDuration
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// }
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// async function getAudioSampleRate(filePath: string) {
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// try {
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// const mm = await import('music-metadata');
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// const metadata = await mm.parseFile(filePath);
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// log(`${filePath}采样率`, metadata.format.sampleRate);
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// return metadata.format.sampleRate;
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// } catch (error) {
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// log(`${filePath}采样率获取失败`, error.stack);
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// // console.error(error);
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// }
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// }
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try {
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const pttPath = path.join(DATA_DIR, uuidv4());
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if (getFileHeader(filePath) !== "02232153494c4b") {
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log(`语音文件${filePath}需要转换成silk`)
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const _isWav = await isWavFile(filePath);
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const wavPath = pttPath + ".wav"
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const convert = async () => {
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return await new Promise((resolve, reject) => {
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const ffmpegPath = getConfigUtil().getConfig().ffmpeg;
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if (ffmpegPath) {
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ffmpeg.setFfmpegPath(ffmpegPath);
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}
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ffmpeg(filePath).toFormat("wav").audioChannels(1).audioFrequency(24000).on('end', function () {
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log('wav转换完成');
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})
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.on('error', function (err) {
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log(`wav转换出错: `, err.message,);
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reject(err);
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})
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.save(wavPath)
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.on("end", () => {
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filePath = wavPath
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resolve(wavPath);
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});
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})
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}
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let wav: Buffer
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if (!_isWav) {
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log(`语音文件${filePath}正在转换成wav`)
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await convert()
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} else {
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wav = fs.readFileSync(filePath)
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const allowSampleRate = [8000, 12000, 16000, 24000, 32000, 44100, 48000]
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const { fmt } = getWavFileInfo(wav)
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if (!allowSampleRate.includes(fmt.sampleRate)) {
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wav = undefined
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await convert()
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}
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}
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wav ||= fs.readFileSync(filePath);
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const silk = await encode(wav, 0);
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fs.writeFileSync(pttPath, silk.data);
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fs.unlink(wavPath, (err) => {
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});
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const gDuration = await guessDuration(pttPath)
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log(`语音文件${filePath}转换成功!`, pttPath, `时长:`, silk.duration)
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return {
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converted: true,
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path: pttPath,
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duration: silk.duration / 1000
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};
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} else {
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const silk = fs.readFileSync(filePath);
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let duration = 0;
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const gDuration = await guessDuration(filePath)
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try {
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duration = getDuration(silk) / 1000
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} catch (e) {
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log("获取语音文件时长失败, 使用文件大小推测时长", filePath, e.stack)
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duration = gDuration;
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}
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return {
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converted: false,
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path: filePath,
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duration: duration,
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};
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}
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} catch (error) {
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log("convert silk failed", error.stack);
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return {};
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}
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}
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export function calculateFileMD5(filePath: string): Promise<string> {
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@ -15,3 +15,4 @@ if (!fs.existsSync(TEMP_DIR)) {
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}
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export {getVideoInfo} from "./video";
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export {checkFfmpeg} from "./video";
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export {encodeSilk} from "./audio";
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@ -14,9 +14,10 @@ import {
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import {promises as fs} from "node:fs";
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import ffmpeg from "fluent-ffmpeg"
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import {NTQQFileApi} from "./api/file";
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import {calculateFileMD5, encodeSilk, isGIF} from "../common/utils/file";
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import {calculateFileMD5, isGIF} from "../common/utils/file";
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import {log} from "../common/utils/log";
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import {defaultVideoThumb, getVideoInfo} from "../common/utils/video";
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import {encodeSilk} from "../common/utils/audio";
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export class SendMsgElementConstructor {
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