58 lines
2.4 KiB
JavaScript
58 lines
2.4 KiB
JavaScript
// Config
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const { getDeviceID } = require('../utilities/configHandler.js');
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// Modules
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const alsaInstance = require('alsa-capture');
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const { returnAlsaDeviceObject } = require("../utilities/executeConsoleCommands.js");
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// Debug
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const { DebugBuilder } = require("../utilities/debugBuilder.js");
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// Global Vars
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const log = new DebugBuilder("client-bot", "audioController");
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/**
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* Checks to make sure the selected audio device is available and returns the device object (PortAudio Device Info)
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* At least one option must be supplied, it will prefer ID to device name
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*
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* @param deviceName The name of the device being queried
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* @param deviceId The ID of the device being queried
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* @returns {unknown}
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*/
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exports.confirmAudioDevice = async function confirmAudioDevice({deviceName = undefined, deviceId = undefined}){
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const deviceList = await getAudioDevices();
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if (!deviceName && !deviceId) throw new Error("No device given");
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if (deviceId) return deviceList.find(device => device.id === deviceId);
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if (deviceName) return deviceList.find(device => device.name === deviceName);
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}
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/**
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* Return a list of the audio devices connected with input channels
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*
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* @returns {unknown[]}
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*/
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exports.getAudioDevices = async function getAudioDevices(){
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// Exec output contains both stderr and stdout outputs
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const deviceList = await returnAlsaDeviceObject();
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log.DEBUG("Device list: ", deviceList);
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return deviceList;
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}
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/**
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* Create and return the audio instance from the saved settings
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* TODO Allow the client to save and load these settings dynamically
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*
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* @returns new portAudio.AudioIO
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*/
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exports.createAudioInstance = async function createAudioInstance() {
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const selectedDevice = await this.confirmAudioDevice({deviceId: getDeviceID()});//{deviceName: "VoiceMeeter VAIO3 Output (VB-Au"});
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log.DEBUG("Device selected from config: ", selectedDevice);
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// Create an instance of AudioIO with outOptions (defaults are as below), which will return a WritableStream
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return new alsaInstance({
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channels: 2,
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format: "S16_BE",
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rate: 48000,
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device: selectedDevice.name ?? "default", // Use -1 or omit the deviceId to select the default device
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periodSize: 100, //(48000 / 1000) * 20, //(48000 * 16 * 2) / 1000 * 20 // (48000 * (16 / 8) * 2) / 60 / 1000 * 20 //0.025 * 48000 / 2
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periodTime: undefined,
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// highwaterMark: 3840
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});
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} |