minor changes

src/background/audio.ts

@@ -20,10 +20,10 @@ const audioContainer = {
 
 const audioOptions = {
     channelCount: 1,
-    sampleFormat: 16,
-    sampleRate: 16000,
+    sampleRate: 44100,
+    sampleFormat: portAudio.SampleFormat16Bit,
     deviceId: -1,
-    closeOnError: false,
+    closeOnError: false
 }
 
 // Toggles record to true to begin capturing chunks.
@@ -39,6 +39,8 @@ const onRecordingEnd = async (_event: any, payload: any) => {
     return new Promise((resolve, reject) => {
 
         try {
+            console.log("Resolving audio");
+            console.log(audioContainer.input);
             resolve(audioContainer.input);
             record = false;
         } catch (e) {
@@ -143,15 +145,21 @@ export function play(input: string): void {
         let i = 0;
 
         do {
+            
             chunk = audio[i];
+
+            // On last chunk
             if (i === audio.length - 1) {
-                // write last chunk.
                 ao.write(chunk, null, callback);
-            } else {
+            } 
+
+            else {
                 // check for backpreassure.
                 ok = ao.write(chunk, null);
             }
+
             i++;
+
         } while (i < audio.length && ok);
 
         if (i < audio.length) {

src/background/init.ts

@@ -4,7 +4,7 @@
 import { app, dialog } from "electron";
 import { createWindow } from './window';
 import { initSession } from './session';
-import { initAudioIO, stopStream } from './audio';
+import initAudioIO from './initAudio';
 import { backgroundMitt } from '@/modules/emitter';
 
 let win: boolean;
@@ -45,12 +45,12 @@ async function main(dev: boolean) {
     // Must wait til window is created.
     await createWindow();
 
-    // Instantiate socket session with crimata-platorm.
-    initSession(dev);
-
     // Begin audio stream.
     initAudioIO();
 
+    // Instantiate socket session with crimata-platorm.
+    initSession(dev);
+
 }
 
 // Root function of app.
@@ -64,7 +64,7 @@ export function initApp(dev: boolean): void {
 
     // Must keep to ensure app doesn't quit on close.
     app.on("before-quit", async () => {
-        await stopStream();
+        // await stopStream();
     });
 
     // Must keep to ensure app doesn't quit on close.

src/background/initAudio.ts

@@ -0,0 +1,18 @@
+import { ipcMain } from "electron";
+import audioInterface from "@/modules/audio";
+
+export default function initAudioIO () {
+    console.log('[AUDIO]initializing audio');
+
+    // initialize the audio interface
+    const { read, stopRead, write, shutdown } = audioInterface();
+
+    ipcMain.on("start-recording", read);
+
+    ipcMain.on("shutdown-audio", shutdown);
+
+    ipcMain.handle("stop-recording", () => {
+        return stopRead();
+    });
+
+}

src/components/message.vue

@@ -47,7 +47,7 @@
 
         <!-- Show question mark if transcription comes back as unknown. -->
         <div
-          v-else-if="message.content.text === false"
+          v-else-if="message.content.text == false"
           class="questionMark"
         >
         ?

src/modules/audio.ts

@@ -0,0 +1,129 @@
+const portAudio = require('naudiodon');
+const stream = require('stream');
+const fs = require('fs');
+
+
+// current config
+let currentHost: number;
+let currentInputDevice: number;
+let currentOutputDevice: number;
+
+// audio streams
+let ai: any;
+let ao: any;
+
+// write audio here
+const path = 'rawAudio.raw'
+let writable = fs.createWriteStream(path);
+
+// get info for given host api
+const getHostInfo = (id: number) => {
+    return portAudio.getHostAPIs().HostAPIs.filter(host =>
+        host.id === id)[0];
+}
+
+// get info for given device
+const getDeviceInfo = (id: number) => {
+    return portAudio.getDevices().filter(device =>
+        device.id === id)[0];
+};
+
+// constructor to start audio streams
+const setup = () => {
+
+    currentHost = portAudio.getHostAPIs().defaultHostAPI;
+    const hostInfo = getHostInfo(currentHost);
+
+    if (currentInputDevice !== hostInfo.defaultInput) {
+        currentInputDevice = hostInfo.defaultInput;
+        ai = setInputStream();
+        ai.start();
+    }
+
+    if (currentOutputDevice !== hostInfo.defaultOutput) {
+        currentOutputDevice = hostInfo.defaultOutput;
+        ao = setOutputStream()
+        ao.start();
+    }
+
+};
+
+// init and start input stream
+const setInputStream = () => {
+
+    const inputDeviceInfo = getDeviceInfo(currentInputDevice);
+
+    return new portAudio.AudioIO({
+        inOptions: {
+            channelCount: inputDeviceInfo.maxInputChannels,
+            sampleFormat: portAudio.SampleFormat16Bit,
+            sampleRate: inputDeviceInfo.defaultSampleRate,
+            deviceId: inputDeviceInfo.id,
+            closeOnError: false
+        }
+    })
+    .on('error', () => console.log("input stream error"))
+
+}
+
+// init and start output stream
+const setOutputStream = () => {
+
+    const outputDeviceInfo = getDeviceInfo(currentOutputDevice);
+
+    return new portAudio.AudioIO({
+        outOptions: {
+            channelCount: outputDeviceInfo.maxOutputChannels,
+            sampleFormat: portAudio.SampleFormat16Bit,
+            sampleRate: outputDeviceInfo.defaultSampleRate,
+            deviceId: outputDeviceInfo.id,
+            closeOnError: false
+        }
+    })
+    .on('error', () => console.log("output stream error"))
+    
+}
+
+// pipe ai to writable
+const read = () => {
+    if (ai) {
+        ai.pipe(writable);
+    }
+};
+
+// remove pipe and return audio contents
+const stopRead = () => {
+    if (ai) {
+        ai.unpipe(writable);
+        return fs.readFileSync(path);
+    };
+};
+
+// write a buffer of audio to stream
+const write = (chunks: Buffer) => {
+    const readable = new stream.Readable()
+    readable.pipe(ao);
+    chunks.forEach(item => readable.push(item))
+};
+
+// quit both streams
+const shutdown = () => {
+    if (ao) ao.quit();
+    if (ai) ai.quit();
+};
+
+
+// run in loop and return controls
+export default function audioInterface () {
+    setInterval(setup, 2000);
+    return {
+        read,
+        stopRead,
+        write,
+        shutdown
+    }
+}
+
+
+
+