started audio

This commit is contained in:
Sebastian Hildebrandt 2021-01-13 18:30:31 +01:00
parent bf4470ed05
commit 636e3f6b50
5 changed files with 273 additions and 8 deletions

235
lib/audio.js Normal file
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@ -0,0 +1,235 @@
'use strict';
// @ts-check
// ==================================================================================
// audio.js
// ----------------------------------------------------------------------------------
// Description: System Information - library
// for Node.js
// Copyright: (c) 2014 - 2021
// 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');
const _darwin = (_platform === 'darwin');
const _windows = (_platform === 'win32');
const _freebsd = (_platform === 'freebsd');
const _openbsd = (_platform === 'openbsd');
const _netbsd = (_platform === 'netbsd');
const _sunos = (_platform === 'sunos');
const winPrinterStatus = {
1: 'Other',
2: 'Unknown',
3: 'Idle',
4: 'Printing',
5: 'Warmup',
6: 'Stopped Printing',
7: 'Offline',
}
function parseLinuxCupsHeader(lines) {
const result = {}
if (lines && lines.length) {
if (lines[0].indexOf(' CUPS v') > 0) {
const parts = lines[0].split(' CUPS v');
result.cupsVersion = parts[1];
}
}
return result;
}
function parseLinuxCupsPrinter(lines) {
const result = {};
const printerId = util.getValue(lines, 'PrinterId', ' ');
result.id = printerId ? parseInt(printerId, 10) : null;
result.name = util.getValue(lines, 'Info', ' ');
result.model = lines.length > 0 && lines[0] ? lines[0].split(' ')[0] : '';
result.uri = util.getValue(lines, 'DeviceURI', ' ');
result.uuid = util.getValue(lines, 'UUID', ' ');
result.status = util.getValue(lines, 'State', ' ');
result.local = util.getValue(lines, 'Location', ' ').toLowerCase().startsWith('local');
result.default = null;
result.shared = util.getValue(lines, 'Shared', ' ').toLowerCase().startsWith('yes');
return result;
}
function parseLinuxLpstatPrinter(lines, id) {
const result = {};
result.id = id
result.name = util.getValue(lines, 'Description', ':', true);
result.model = lines.length > 0 && lines[0] ? lines[0].split(' ')[0] : '';
result.uri = null;
result.uuid = null
result.status = lines.length > 0 && lines[0] ? (lines[0].indexOf(' idle') > 0 ? 'idle' : (lines[0].indexOf(' printing') > 0 ? 'printing' : 'unknown')) : null
result.local = util.getValue(lines, 'Location', ':', true).toLowerCase().startsWith('local');
result.default = null;
result.shared = util.getValue(lines, 'Shared', ' ').toLowerCase().startsWith('yes');
return result;
}
// name
// type
// manufacturer
// builtIn
// default
// revision
// driver
// (onboard)
// #channels
// in
// out
// interfaceType HDMI, Display - Port, Build -in, USB, PCIe(darwin: coreaudio_device_transport)
// status
function parseDarwinChannel(str) {
let result = '';
if (str.indexOf('builtin') >= 0) { result = 'Built-In'; }
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 || '');
result.id = id;
result.name = audioObject._name
result.manufacturer = audioObject.coreaudio_device_manufacturer;
result.default = !!(audioObject.coreaudio_default_audio_input_device || '') || !!(audioObject.coreaudio_default_audio_output_device || '');
result.revision = null;
result.driver = null;
result.channel = parseDarwinChannel(channelStr);
result.in = !!(audioObject.coreaudio_device_input || '')
result.out = !!(audioObject.coreaudio_device_output || '')
result.status = 'online';
return result;
}
function parseWindowsAudio(lines, id) {
const result = {};
const status = parseInt(util.getValue(lines, 'PrinterStatus', '='), 10);
result.id = id;
result.name = util.getValue(lines, 'name', '=');
result.model = util.getValue(lines, 'DriverName', '=');
result.uri = null;
result.uuid = null
result.status = winPrinterStatus[status] ? winPrinterStatus[status] : null;
result.local = util.getValue(lines, 'Local', '=') === 'TRUE';
result.default = util.getValue(lines, 'Default', '=') === 'TRUE';
result.shared = util.getValue(lines, 'Shared', '=') === 'TRUE';
return result;
}
function audio(callback) {
return new Promise((resolve) => {
process.nextTick(() => {
let result = [];
if (_linux || _freebsd || _openbsd || _netbsd) {
let cmd = 'cat /etc/cups/printers.conf 2>/dev/null'
exec(cmd, function (error, stdout) {
// printers.conf
if (!error) {
const parts = stdout.toString().split('<Printer ');
const printerHeader = parseLinuxCupsHeader(parts[0]);
for (let i = 1; i < parts.length; i++) {
const printers = parseLinuxCupsPrinter(parts[i].split('\n'));
printers.engine = 'CUPS';
printers.engineVersion = printerHeader.cupsVersion;
result.push(printers);
}
}
if (result.length === 0) {
if (_linux) {
cmd = 'export LC_ALL=C; lpstat -lp 2>/dev/null; unset LC_ALL';
// lpstat
exec(cmd, function (error, stdout) {
const parts = ('\n' + stdout.toString()).split('\nprinter ');
for (let i = 1; i < parts.length; i++) {
const printers = parseLinuxLpstatPrinter(parts[i].split('\n'), i);
result.push(printers);
}
});
if (callback) {
callback(result);
}
resolve(result);
} else {
if (callback) {
callback(result);
}
resolve(result);
}
} else {
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) {
for (let i = 0; i < outObj.SPAudioDataType.length; i++) {
const audio = parseDarwinAudio(outObj.SPAudioDataType[i], i);
result.push(audio);
}
}
} catch (e) {
util.noop()
}
}
if (callback) {
callback(result);
}
resolve(result);
});
}
if (_windows) {
util.wmic('printer get /value', function (error, stdout) {
if (!error) {
const parts = stdout.toString().split(/\n\s*\n/);
for (let i = 0; i < parts.length; i++) {
result.push(parseWindowsAudio(parts[i].split('\n'), i))
}
}
if (callback) {
callback(result);
}
resolve(result);
});
}
if (_sunos) {
resolve(null);
}
});
});
}
exports.audio = audio;

30
lib/index.d.ts vendored
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@ -717,6 +717,32 @@ export namespace Systeminformation {
shared: boolean;
}
interface UsbData {
id: number | string;
bus: number;
deviceId: number;
name: string;
type: string;
removable: boolean;
vendor: string;
manufacturer: string;
maxPower: string;
serialNumber: string;
}
interface AudioData {
id: number | string;
bus: number;
deviceId: number;
name: string;
type: string;
removable: boolean;
vendor: string;
manufacturer: string;
maxPower: string;
serialNumber: string;
}
// 10. "Get All at once" - functions
interface StaticData {
@ -797,6 +823,10 @@ export function vboxInfo(cb?: (data: Systeminformation.VboxInfoData[]) => any):
export function printer(cb?: (data: Systeminformation.PrinterData[]) => any): Promise<Systeminformation.PrinterData[]>;
export function usb(cb?: (data: Systeminformation.UsbData[]) => any): Promise<Systeminformation.UsbData[]>;
export function audio(cb?: (data: Systeminformation.AudioData[]) => any): Promise<Systeminformation.AudioData[]>;
export function getStaticData(cb?: (data: Systeminformation.StaticData) => any): Promise<Systeminformation.StaticData>;
export function getDynamicData(srv?: string, iface?: string, cb?: (data: any) => any): Promise<any>;
export function getAllData(srv?: string, iface?: string, cb?: (data: any) => any): Promise<any>;

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@ -39,6 +39,7 @@ const docker = require('./docker');
const vbox = require('./virtualbox');
const printer = require('./printer');
const usb = require('./usb');
const audio = require('./audio');
let _platform = process.platform;
const _windows = (_platform === 'win32');
@ -491,6 +492,8 @@ exports.printer = printer.printer;
exports.usb = usb.usb;
exports.audio = audio.audio;
exports.getStaticData = getStaticData;
exports.getDynamicData = getDynamicData;
exports.getAllData = getAllData;

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@ -11,12 +11,7 @@
},
"types": "./lib/index.d.ts",
"scripts": {
"clean": "rimraf dist",
"test-bare": "npm run compile && mocha ./test/**/*.test.js",
"compile": "tsc",
"watch": "tsc -w",
"test": "nyc mocha --require ts-node/register --require source-map-support/register ./test/**/*.test.ts",
"coverage": "nyc report --reporter=text-lcov"
"test": "node ./test/test.js"
},
"files": [
"lib/"

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@ -1,7 +1,8 @@
const readline = require('readline');
const util = require('util');
const { exec } = require('child_process');
const exec = require('child_process').exec;
const lib_version = require('../package.json').version;
const path = require('path');
let waiting = false;
let timer;
@ -74,7 +75,8 @@ process.stdin.on('keypress', (key, data) => {
if (!waiting) {
waiting = true;
startDots();
exec(`node si.js '${key}'`, {timeout: 30000}, (error, stdout) => {
const siPath = path.join(__dirname, 'si.js');
exec(`node ${siPath} '${key}'`, {timeout: 30000}, (error, stdout) => {
waiting = false;
stopDots();
clearline();