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Mini Shell
Mini Shell
'use strict';
// @ts-check
// ==================================================================================
// audio.js
// ----------------------------------------------------------------------------------
// Description: System Information - library
// for Node.js
// Copyright: (c) 2014 - 2022
// Author: Sebastian Hildebrandt
// ----------------------------------------------------------------------------------
// License: MIT
// ==================================================================================
// 16. audio
// ----------------------------------------------------------------------------------
const exec = require('child_process').exec;
const execSync = require('child_process').execSync;
const util = require('./util');
// const fs = require('fs');
let _platform = process.platform;
const _linux = (_platform === 'linux' || _platform === 'android');
const _darwin = (_platform === 'darwin');
const _windows = (_platform === 'win32');
const _freebsd = (_platform === 'freebsd');
const _openbsd = (_platform === 'openbsd');
const _netbsd = (_platform === 'netbsd');
const _sunos = (_platform === 'sunos');
function parseAudioType(str, input, output) {
let result = '';
if (str.indexOf('speak') >= 0) { result = 'Speaker'; }
if (str.indexOf('laut') >= 0) { result = 'Speaker'; }
if (str.indexOf('loud') >= 0) { result = 'Speaker'; }
if (str.indexOf('head') >= 0) { result = 'Headset'; }
if (str.indexOf('mic') >= 0) { result = 'Microphone'; }
if (str.indexOf('mikr') >= 0) { result = 'Microphone'; }
if (str.indexOf('phone') >= 0) { result = 'Phone'; }
if (str.indexOf('controll') >= 0) { result = 'Controller'; }
if (str.indexOf('line o') >= 0) { result = 'Line Out'; }
if (str.indexOf('digital o') >= 0) { result = 'Digital Out'; }
if (!result && output) {
result = 'Speaker';
} else if (!result && input) {
result = 'Microphone';
}
return result;
}
function getLinuxAudioPci() {
let cmd = 'lspci -v 2>/dev/null';
let result = [];
try {
const parts = execSync(cmd).toString().split('\n\n');
for (let i = 0; i < parts.length; i++) {
const lines = parts[i].split('\n');
if (lines && lines.length && lines[0].toLowerCase().indexOf('audio') >= 0) {
const audio = {};
audio.slotId = lines[0].split(' ')[0];
audio.driver = util.getValue(lines, 'Kernel driver in use', ':', true) || util.getValue(lines, 'Kernel modules', ':', true);
result.push(audio);
}
}
return result;
} catch (e) {
return result;
}
}
function parseLinuxAudioPciMM(lines, audioPCI) {
const result = {};
const slotId = util.getValue(lines, 'Slot');
const pciMatch = audioPCI.filter(function (item) { return item.slotId === slotId; });
result.id = slotId;
result.name = util.getValue(lines, 'SDevice');
// result.type = util.getValue(lines, 'Class');
result.manufacturer = util.getValue(lines, 'SVendor');
result.revision = util.getValue(lines, 'Rev');
result.driver = pciMatch && pciMatch.length === 1 && pciMatch[0].driver ? pciMatch[0].driver : '';
result.default = null;
result.channel = 'PCIe';
result.type = parseAudioType(result.name, null, null);
result.in = null;
result.out = null;
result.status = 'online';
return result;
}
function parseDarwinChannel(str) {
let result = '';
if (str.indexOf('builtin') >= 0) { result = 'Built-In'; }
if (str.indexOf('extern') >= 0) { result = 'Audio-Jack'; }
if (str.indexOf('hdmi') >= 0) { result = 'HDMI'; }
if (str.indexOf('displayport') >= 0) { result = 'Display-Port'; }
if (str.indexOf('usb') >= 0) { result = 'USB'; }
if (str.indexOf('pci') >= 0) { result = 'PCIe'; }
return result;
}
function parseDarwinAudio(audioObject, id) {
const result = {};
const channelStr = ((audioObject.coreaudio_device_transport || '') + ' ' + (audioObject._name || '')).toLowerCase();
result.id = id;
result.name = audioObject._name;
result.manufacturer = audioObject.coreaudio_device_manufacturer;
result.revision = null;
result.driver = null;
result.default = !!(audioObject.coreaudio_default_audio_input_device || '') || !!(audioObject.coreaudio_default_audio_output_device || '');
result.channel = parseDarwinChannel(channelStr);
result.type = parseAudioType(result.name, !!(audioObject.coreaudio_device_input || ''), !!(audioObject.coreaudio_device_output || ''));
result.in = !!(audioObject.coreaudio_device_input || '');
result.out = !!(audioObject.coreaudio_device_output || '');
result.status = 'online';
return result;
}
function parseWindowsAudio(lines) {
const result = {};
const status = util.getValue(lines, 'StatusInfo', ':');
// const description = util.getValue(lines, 'Description', ':');
result.id = util.getValue(lines, 'DeviceID', ':'); // PNPDeviceID??
result.name = util.getValue(lines, 'name', ':');
result.manufacturer = util.getValue(lines, 'manufacturer', ':');
result.revision = null;
result.driver = null;
result.default = null;
result.channel = null;
result.type = parseAudioType(result.name, null, null);
result.in = null;
result.out = null;
result.status = status;
return result;
}
function audio(callback) {
return new Promise((resolve) => {
process.nextTick(() => {
let result = [];
if (_linux || _freebsd || _openbsd || _netbsd) {
let cmd = 'lspci -vmm 2>/dev/null';
exec(cmd, function (error, stdout) {
// PCI
if (!error) {
const audioPCI = getLinuxAudioPci();
const parts = stdout.toString().split('\n\n');
for (let i = 0; i < parts.length; i++) {
const lines = parts[i].split('\n');
if (util.getValue(lines, 'class', ':', true).toLowerCase().indexOf('audio') >= 0) {
const audio = parseLinuxAudioPciMM(lines, audioPCI);
result.push(audio);
}
}
}
if (callback) {
callback(result);
}
resolve(result);
});
}
if (_darwin) {
let cmd = 'system_profiler SPAudioDataType -json';
exec(cmd, function (error, stdout) {
if (!error) {
try {
const outObj = JSON.parse(stdout.toString());
if (outObj.SPAudioDataType && outObj.SPAudioDataType.length && outObj.SPAudioDataType[0] && outObj.SPAudioDataType[0]['_items'] && outObj.SPAudioDataType[0]['_items'].length) {
for (let i = 0; i < outObj.SPAudioDataType[0]['_items'].length; i++) {
const audio = parseDarwinAudio(outObj.SPAudioDataType[0]['_items'][i], i);
result.push(audio);
}
}
} catch (e) {
util.noop();
}
}
if (callback) {
callback(result);
}
resolve(result);
});
}
if (_windows) {
util.powerShell('Get-WmiObject Win32_SoundDevice | select DeviceID,StatusInfo,Name,Manufacturer | fl').then((stdout, error) => {
if (!error) {
const parts = stdout.toString().split(/\n\s*\n/);
for (let i = 0; i < parts.length; i++) {
if (util.getValue(parts[i].split('\n'), 'name', ':')) {
result.push(parseWindowsAudio(parts[i].split('\n')));
}
}
}
if (callback) {
callback(result);
}
resolve(result);
});
}
if (_sunos) {
resolve(null);
}
});
});
}
exports.audio = audio;
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