basant307/AI_Governance_Project

1"use strict";2Object.defineProperty(exports, "__esModule", { value: true });3exports.playAudio = playAudio;4exports.recordAudio = recordAudio;5const node_child_process_1 = require("node:child_process");6const node_stream_1 = require("node:stream");7const node_process_1 = require("node:process");8const uploads_1 = require("../internal/uploads.js");9const DEFAULT_SAMPLE_RATE = 24000;10const DEFAULT_CHANNELS = 1;11const isNode = Boolean(node_process_1.versions?.node);12const recordingProviders = {13    win32: 'dshow',14    darwin: 'avfoundation',15    linux: 'alsa',16    aix: 'alsa',17    android: 'alsa',18    freebsd: 'alsa',19    haiku: 'alsa',20    sunos: 'alsa',21    netbsd: 'alsa',22    openbsd: 'alsa',23    cygwin: 'dshow',24};25function isResponse(stream) {26    return typeof stream.body !== 'undefined';27}28function isFile(stream) {29    (0, uploads_1.checkFileSupport)();30    return stream instanceof File;31}32async function nodejsPlayAudio(stream) {33    return new Promise((resolve, reject) => {34        try {35            const ffplay = (0, node_child_process_1.spawn)('ffplay', ['-autoexit', '-nodisp', '-i', 'pipe:0']);36            if (isResponse(stream)) {37                stream.body.pipe(ffplay.stdin);38            }39            else if (isFile(stream)) {40                node_stream_1.Readable.from(stream.stream()).pipe(ffplay.stdin);41            }42            else {43                stream.pipe(ffplay.stdin);44            }45            ffplay.on('close', (code) => {46                if (code !== 0) {47                    reject(new Error(`ffplay process exited with code ${code}`));48                }49                resolve();50            });51        }52        catch (error) {53            reject(error);54        }55    });56}57async function playAudio(input) {58    if (isNode) {59        return nodejsPlayAudio(input);60    }61    throw new Error('Play audio is not supported in the browser yet. Check out https://npm.im/wavtools as an alternative.');62}63function nodejsRecordAudio({ signal, device, timeout } = {}) {64    (0, uploads_1.checkFileSupport)();65    return new Promise((resolve, reject) => {66        const data = [];67        const provider = recordingProviders[node_process_1.platform];68        try {69            const ffmpeg = (0, node_child_process_1.spawn)('ffmpeg', [70                '-f',71                provider,72                '-i',73                `:${device ?? 0}`, // default audio input device; adjust as needed74                '-ar',75                DEFAULT_SAMPLE_RATE.toString(),76                '-ac',77                DEFAULT_CHANNELS.toString(),78                '-f',79                'wav',80                'pipe:1',81            ], {82                stdio: ['ignore', 'pipe', 'pipe'],83            });84            ffmpeg.stdout.on('data', (chunk) => {85                data.push(chunk);86            });87            ffmpeg.on('error', (error) => {88                console.error(error);89                reject(error);90            });91            ffmpeg.on('close', (code) => {92                returnData();93            });94            function returnData() {95                const audioBuffer = Buffer.concat(data);96                const audioFile = new File([audioBuffer], 'audio.wav', { type: 'audio/wav' });97                resolve(audioFile);98            }99            if (typeof timeout === 'number' && timeout > 0) {100                const internalSignal = AbortSignal.timeout(timeout);101                internalSignal.addEventListener('abort', () => {102                    ffmpeg.kill('SIGTERM');103                });104            }105            if (signal) {106                signal.addEventListener('abort', () => {107                    ffmpeg.kill('SIGTERM');108                });109            }110        }111        catch (error) {112            reject(error);113        }114    });115}116async function recordAudio(options = {}) {117    if (isNode) {118        return nodejsRecordAudio(options);119    }120    throw new Error('Record audio is not supported in the browser. Check out https://npm.im/wavtools as an alternative.');121}122//# sourceMappingURL=audio.js.map