From 36411bb2c5d6aeba92e6b4978b322e2ed9facb57 Mon Sep 17 00:00:00 2001
From: Paoda <musukarekai@gmail.com>
Date: Fri, 7 Sep 2018 11:01:14 +0100
Subject: [PATCH] Added Support for Multiple Languages

---
 src/index.js | 143 +++++++++++++++++++++++++--------------------------
 1 file changed, 71 insertions(+), 72 deletions(-)

diff --git a/src/index.js b/src/index.js
index c241083..b1f169d 100644
--- a/src/index.js
+++ b/src/index.js
@@ -1,84 +1,83 @@
-import io from 'socket.io-client';
-
- /**
-  * The Class Responsible for Talking with Polyglot-Node
-  * @param {string} url - URL of NodeJS Server.
-  */
-class WebSocket {
-  constructor(url) {
-    this.io = io(url);
-
-    this.listen(() => {
-      this.grabAudio();
-    });
-  }
+  import io from 'socket.io-client';
 
   /**
-   * Create socket.io event listeners.
-   * @param {Function} cb  - Called once connected to server.
-   */
-  listen(cb) {
-    this.io.on('disconnect', (err) => {
-      console.error("Disconnected from Server.");
-    })
+    * The Class Responsible for Talking with Polyglot-Node
+    * @param {string} url - URL of NodeJS Server.
+    */
+  class WebSocket {
+    constructor(url) {
+      this.io = io(url);
 
-   this.io.on('connect', (data) => {
-     this.io.emit("join", "Hi There NodeJS!");
-     console.log("Connected to NodeJS Server");
-     cb();
-   });
-  }
-  /**
-   * This Class Grabs the Audio from the User.
-   * Line 26 needs to be replaced with the global variable for localstream found in Rails TODO: Put line
-   * 
-   * DEPRECAION WARNING. This method makes vital use of createScriptProcessor which will be scrapped at some point
-   * in the future. TODO: Switch from createScriptProcessor to AudioWorklet (No documentation as of 2018-08-30)
-   * @deprecated
-   * @async
-   */
-  async grabAudio() {
-    this.io.emit('startRecognition', "en-US");
-
-    AudioContext = window.AudioContext || window.webkitAudioContext;
-    const ctx = new AudioContext();
-    const processor = ctx.createScriptProcessor(2048, 1, 1);
-    processor.connect(ctx.destination);
-    processor.onaudioprocess = e => this.handleBuffer(e);
-    
-    const stream = await navigator.mediaDevices.getUserMedia({ audio: true, video: false });
-    ctx.createMediaStreamSource(stream).connect(processor);
-    ctx.resume();
-  }
-  
-  /**
-   * Takes the Float32Array  Array from the ScriptProcessor Event
-   * and converts it to Int16 for Google Speech to Text use.
-   * @param {AudioProcessingEvent} e Chunk of Audio w/ Audio F32Array
-   */
-  handleBuffer(e) {
-    let l = e.inputBuffer.getChannelData(0);
-    this.io.emit('binary', convertF32ToI16(l));
+      this.listen(() => {
+        this.grabAudio();
+      });
+    }
 
     /**
-     * 32Khz to 16Khz Audio
-     * Converts Float32 Buffer to Int16Buffer
-     * @param {Float32Array} buffer - Float32 Buffer;
-     * @returns {ArrayBuffer}
+     * Create socket.io event listeners.
+     * @param {Function} cb  - Called once connected to server.
      */
-    function convertF32ToI16(buffer) {
-      let l = buffer.length;
+    listen(cb) {
+      this.io.on('disconnect', (err) => {
+        console.error("Disconnected from Server.");
+      })
+
+    this.io.on('connect', (data) => {
+      console.log("Connected to NodeJS Server");
+      cb();
+    });
+    }
+    /**
+     * This Class Grabs the Audio from the User.
+     * Line 48 needs to be replaced with the global variable for localstream found in Rails TODO: Put line
+     * 
+     * DEPRECAION WARNING. This method makes vital use of createScriptProcessor which will be scrapped at some point
+     * in the future. TODO: Switch from createScriptProcessor to AudioWorklet (No documentation as of 2018-08-30)
+     * @deprecated
+     * @async
+     */
+    async grabAudio() {
+      this.io.emit('startRecognition', "en-US", "fr");
+
+      AudioContext = window.AudioContext || window.webkitAudioContext;
+      const ctx = new AudioContext();
+      const processor = ctx.createScriptProcessor(2048, 1, 1);
+      processor.connect(ctx.destination);
+      processor.onaudioprocess = e => this.handleBuffer(e);
+      
+      const stream = await navigator.mediaDevices.getUserMedia({ audio: true, video: false });
+      ctx.createMediaStreamSource(stream).connect(processor);
+      ctx.resume();
+    }
     
-      let buf = new Int16Array(l/3);
-    
-      while (l--) {
-        if (l % 3 == 0) {
-          buf[l / 3] = buffer[l] * 0xFFFF;
+    /**
+     * Takes the Float32Array  Array from the ScriptProcessor Event
+     * and converts it to Int16 for Google Speech to Text use.
+     * @param {AudioProcessingEvent} e Chunk of Audio w/ Audio F32Array
+     */
+    handleBuffer(e) {
+      let l = e.inputBuffer.getChannelData(0);
+      this.io.emit('binary', convertF32ToI16(l));
+
+      /**
+       * 32Khz to 16Khz Audio
+       * Converts Float32 Buffer to Int16Buffer
+       * @param {Float32Array} buffer - Float32 Buffer;
+       * @returns {ArrayBuffer}
+       */
+      function convertF32ToI16(buffer) {
+        let l = buffer.length;
+      
+        let buf = new Int16Array(l / 3);
+      
+        while (l--) {
+          if (l % 3 == 0) {
+            buf[l / 3] = buffer[l] * 0xFFFF;
+          }
         }
+        return buf.buffer;
       }
-      return buf.buffer;
     }
   }
-}
 
-const ws = new WebSocket("http://localhost:1337");
\ No newline at end of file
+  const ws = new WebSocket("http://localhost:1337");
\ No newline at end of file