errory voice

src/client/voice/pcm/ConverterEngine.js

@@ -0,0 +1,13 @@
+class ConverterEngine {
+
+  constructor(player) {
+    this.player = player;
+  }
+
+  createConvertStream() {
+    return;
+  }
+
+}
+
+module.exports = ConverterEngine;

src/client/voice/pcm/ConverterEngineList.js

@@ -0,0 +1 @@
+exports.fetch = () => require('./FfmpegConverterEngine');

src/client/voice/pcm/FfmpegConverterEngine.js

@@ -0,0 +1,33 @@
+const ConverterEngine = require('./ConverterEngine');
+const ChildProcess = require('child_process');
+
+function chooseCommand() {
+  for (const cmd of ['ffmpeg', 'avconv', './ffmpeg', './avconv']) {
+    if (!ChildProcess.spawnSync(cmd, ['-h']).error) {
+      return cmd;
+    }
+  }
+}
+
+class FfmpegConverterEngine extends ConverterEngine {
+  constructor(player) {
+    super(player);
+    this.command = chooseCommand();
+  }
+
+  createConvertStream() {
+    super.createConvertStream();
+    const encoder = ChildProcess.spawn(this.command, [
+      '-analyzeduration', '0',
+      '-loglevel', '0',
+      '-i', '-',
+      '-f', 's16le',
+      '-ar', '48000',
+      '-ss', '0',
+      'pipe:1',
+    ], { stdio: ['pipe', 'pipe', 'ignore'] });
+    return encoder;
+  }
+}
+
+module.exports = FfmpegConverterEngine;