118 lines
3.7 KiB
JavaScript
118 lines
3.7 KiB
JavaScript
import { spawn } from 'node:child_process';
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import { Readable } from 'node:stream';
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import { platform, versions } from 'node:process';
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import { checkFileSupport } from "../internal/uploads.mjs";
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const DEFAULT_SAMPLE_RATE = 24000;
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const DEFAULT_CHANNELS = 1;
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const isNode = Boolean(versions?.node);
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const recordingProviders = {
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win32: 'dshow',
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darwin: 'avfoundation',
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linux: 'alsa',
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aix: 'alsa',
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android: 'alsa',
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freebsd: 'alsa',
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haiku: 'alsa',
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sunos: 'alsa',
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netbsd: 'alsa',
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openbsd: 'alsa',
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cygwin: 'dshow',
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};
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function isResponse(stream) {
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return typeof stream.body !== 'undefined';
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}
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function isFile(stream) {
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checkFileSupport();
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return stream instanceof File;
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}
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async function nodejsPlayAudio(stream) {
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return new Promise((resolve, reject) => {
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try {
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const ffplay = spawn('ffplay', ['-autoexit', '-nodisp', '-i', 'pipe:0']);
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if (isResponse(stream)) {
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stream.body.pipe(ffplay.stdin);
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}
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else if (isFile(stream)) {
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Readable.from(stream.stream()).pipe(ffplay.stdin);
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}
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else {
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stream.pipe(ffplay.stdin);
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}
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ffplay.on('close', (code) => {
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if (code !== 0) {
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reject(new Error(`ffplay process exited with code ${code}`));
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}
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resolve();
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});
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}
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catch (error) {
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reject(error);
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}
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});
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}
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export async function playAudio(input) {
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if (isNode) {
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return nodejsPlayAudio(input);
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}
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throw new Error('Play audio is not supported in the browser yet. Check out https://npm.im/wavtools as an alternative.');
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}
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function nodejsRecordAudio({ signal, device, timeout } = {}) {
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checkFileSupport();
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return new Promise((resolve, reject) => {
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const data = [];
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const provider = recordingProviders[platform];
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try {
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const ffmpeg = spawn('ffmpeg', [
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'-f',
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provider,
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'-i',
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`:${device ?? 0}`, // default audio input device; adjust as needed
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'-ar',
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DEFAULT_SAMPLE_RATE.toString(),
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'-ac',
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DEFAULT_CHANNELS.toString(),
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'-f',
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'wav',
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'pipe:1',
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], {
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stdio: ['ignore', 'pipe', 'pipe'],
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});
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ffmpeg.stdout.on('data', (chunk) => {
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data.push(chunk);
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});
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ffmpeg.on('error', (error) => {
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console.error(error);
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reject(error);
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});
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ffmpeg.on('close', (code) => {
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returnData();
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});
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function returnData() {
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const audioBuffer = Buffer.concat(data);
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const audioFile = new File([audioBuffer], 'audio.wav', { type: 'audio/wav' });
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resolve(audioFile);
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}
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if (typeof timeout === 'number' && timeout > 0) {
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const internalSignal = AbortSignal.timeout(timeout);
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internalSignal.addEventListener('abort', () => {
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ffmpeg.kill('SIGTERM');
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});
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}
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if (signal) {
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signal.addEventListener('abort', () => {
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ffmpeg.kill('SIGTERM');
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});
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}
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}
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catch (error) {
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reject(error);
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}
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});
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}
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export async function recordAudio(options = {}) {
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if (isNode) {
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return nodejsRecordAudio(options);
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}
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throw new Error('Record audio is not supported in the browser. Check out https://npm.im/wavtools as an alternative.');
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}
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//# sourceMappingURL=audio.mjs.map
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