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perf: audio

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This commit is contained in:
idranme 2024-07-10 17:44:17 +00:00
parent 914136b750
commit 80c3356c8f
2 changed files with 7 additions and 6 deletions
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2
package.json
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@ -64,7 +64,7 @@
"json-schema-to-ts": "^3.1.0", "json-schema-to-ts": "^3.1.0",
"log4js": "^6.9.1", "log4js": "^6.9.1",
"qrcode-terminal": "^0.12.0", "qrcode-terminal": "^0.12.0",
"silk-wasm": "^3.3.4", "silk-wasm": "^3.6.1",
"sqlite3": "^5.1.7", "sqlite3": "^5.1.7",
"uuid": "^10.0.0", "uuid": "^10.0.0",
"ws": "^8.16.0" "ws": "^8.16.0"

11
src/common/utils/audio.ts
View File

@ -1,5 +1,5 @@
import fs from 'fs'; import fs from 'fs';
import { encode, getDuration, getWavFileInfo, isWav } from 'silk-wasm'; import { encode, getDuration, getWavFileInfo, isWav, isSilk } from 'silk-wasm';
import fsPromise from 'fs/promises'; import fsPromise from 'fs/promises';
import { log, logError } from './log'; import { log, logError } from './log';
import path from 'node:path'; import path from 'node:path';
@ -63,10 +63,11 @@ export async function encodeSilk(filePath: string) {
// } // }
try { try {
const file = await fsPromise.readFile(filePath);
const pttPath = path.join(TEMP_DIR, uuidv4()); const pttPath = path.join(TEMP_DIR, uuidv4());
if (getFileHeader(filePath) !== '02232153494c4b') { if (!isSilk(file)) {
log(`语音文件${filePath}需要转换成silk`); log(`语音文件${filePath}需要转换成silk`);
const _isWav = await isWavFile(filePath); const _isWav = isWav(file);
const pcmPath = pttPath + '.pcm'; const pcmPath = pttPath + '.pcm';
let sampleRate = 0; let sampleRate = 0;
const convert = () => { const convert = () => {
@ -96,7 +97,7 @@ export async function encodeSilk(filePath: string) {
if (!_isWav) { if (!_isWav) {
input = await convert(); input = await convert();
} else { } else {
input = fs.readFileSync(filePath); input = file;
const allowSampleRate = [8000, 12000, 16000, 24000, 32000, 44100, 48000]; const allowSampleRate = [8000, 12000, 16000, 24000, 32000, 44100, 48000];
const { fmt } = getWavFileInfo(input); const { fmt } = getWavFileInfo(input);
// log(`wav文件信息`, fmt) // log(`wav文件信息`, fmt)
@ -113,7 +114,7 @@ export async function encodeSilk(filePath: string) {
duration: silk.duration / 1000 duration: silk.duration / 1000
}; };
} else { } else {
const silk = fs.readFileSync(filePath); const silk = file;
let duration = 0; let duration = 0;
try { try {
duration = getDuration(silk) / 1000; duration = getDuration(silk) / 1000;