audio linux implemented

lib/audio.js

@@ -14,7 +14,7 @@
 // ----------------------------------------------------------------------------------
 
 const exec = require('child_process').exec;
-// const execSync = require('child_process').execSync;
+const execSync = require('child_process').execSync;
 const util = require('./util');
 // const fs = require('fs');
 
@@ -38,29 +38,44 @@ const winPrinterStatus = {
   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];
+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].toLowerCass().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;
   }
-  return result;
 }
 
-function parseLinuxCupsPrinter(lines) {
+function parseLinuxAudioPciMM(lines, audioPCI) {
   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');
+  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.builtIn = null;
   result.default = null;
-  result.shared = util.getValue(lines, 'Shared', ' ').toLowerCase().startsWith('yes');
+  result.revision = util.getValue(lines, 'Revision');
+  result.driver = pciMatch && pciMatch.length === 1 && pciMatch[0].driver ? pciMatch[0].driver : '';
+  result.channel = null;
+  result.in = null;
+  result.out = null;
+  result.status = 'online';
 
   return result;
 }
@@ -80,6 +95,7 @@ function parseLinuxLpstatPrinter(lines, id) {
   return result;
 }
 
+// id
 // name
 // type
 // manufacturer
@@ -147,17 +163,18 @@ function audio(callback) {
     process.nextTick(() => {
       let result = [];
       if (_linux || _freebsd || _openbsd || _netbsd) {
-        let cmd = 'cat /etc/cups/printers.conf 2>/dev/null'
+        let cmd = 'lspci -vmm 2>/dev/null'
         exec(cmd, function (error, stdout) {
-          // printers.conf
+          // PCI
           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);
+            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 (result.length === 0) {
@@ -195,9 +212,9 @@ function audio(callback) {
           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);
+              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);
                 }
               }