test gc

src/main/base/browserwindow.ts

@@ -21,6 +21,8 @@ export class BrowserWindow {
     private devMode: boolean = !app.isPackaged;
 
     private audioStream: any = new Stream.PassThrough();
+    private headerSent: any = false;
+    private chromecastIP : any = [];
     private clientPort: number = 0;
     private remotePort: number = 6942;
     private EnvironmentVariables: object = {
@@ -317,7 +319,7 @@ export class BrowserWindow {
                 console.error('Req not defined')
                 return
             }
-            if (req.url.includes("audio.webm") || (req.headers.host.includes("localhost") && (this.devMode || req.headers["user-agent"].includes("Electron")))) {
+            if (req.url.includes("audio.wav") || (req.headers.host.includes("localhost") && (this.devMode || req.headers["user-agent"].includes("Electron")))) {
                 next();
             } else {
                 res.redirect("https://discord.gg/applemusic");
@@ -402,16 +404,22 @@ export class BrowserWindow {
             }
         });
 
-        app.get("/audio.webm", (req, res) => {
+        app.get("/audio.wav", (req, res) => {
             try {
+                 const ip = req.headers['x-forwarded-for'] || req.connection.remoteAddress;
+                 if (!this.chromecastIP.includes(ip)) {
+                     this.headerSent = false;
+                     this.chromecastIP.push(ip)
+                }
                 req.socket.setTimeout(Number.MAX_SAFE_INTEGER);
                 // CiderBase.requests.push({req: req, res: res});
                 // var pos = CiderBase.requests.length - 1;
-                // req.on("close", () => {
+                 req.on("close", () => {
-                //     console.info("CLOSED", CiderBase.requests.length);
+                     console.log('disconnected')
-                //     requests.splice(pos, 1);
+                     this.headerSent = false
-                //     console.info("CLOSED", CiderBase.requests.length);
+                     this.chromecastIP = this.chromecastIP.filter((item: any) => item !== ip);
-                // });
+                });
+
                 this.audioStream.on("data", (data: any) => {
                     try {
                         res.write(data);
@@ -762,9 +770,119 @@ export class BrowserWindow {
 		    `)
         });
 
-        ipcMain.on('writeAudio', (event, buffer) => {
+        ipcMain.on('writeWAV', (event, leftpcm, rightpcm, bufferlength) => {
-            this.audioStream.write(Buffer.from(buffer));
+
-        })
+            function interleave16(leftChannel: any, rightChannel: any) {
+                var length = leftChannel.length + rightChannel.length;
+                var result = new Int16Array(length);
+
+                var inputIndex = 0;
+
+                for (var index = 0; index < length;) {
+                    result[index++] = leftChannel[inputIndex];
+                    result[index++] = rightChannel[inputIndex];
+                    inputIndex++;
+                }
+                return result;
+            }
+
+            //https://github.com/HSU-ANT/jsdafx
+
+            function quantization(audiobufferleft: any, audiobufferright: any) {
+
+                let h = Float32Array.from([1]);
+                let nsState = new Array(0);
+                let ditherstate = new Float32Array(0);
+                let qt = Math.pow(2, 1 - 16);
+
+                //noise shifting order 3
+                h = Float32Array.from([1.623, -0.982, 0.109]);
+                for (let i = 0; i < nsState.length; i++) {
+                    nsState[i] = new Float32Array(h.length);
+                }
+
+
+                function setChannelCount(nc: any) {
+                    if (ditherstate.length !== nc) {
+                        ditherstate = new Float32Array(nc);
+                    }
+                    if (nsState.length !== nc) {
+                        nsState = new Array(nc);
+                        for (let i = 0; i < nsState.length; i++) {
+                            nsState[i] = new Float32Array(h.length);
+                        }
+                    }
+                }
+
+                function hpDither(channel: any) {
+                    const rnd = Math.random() - 0.5;
+                    const d = rnd - ditherstate[channel];
+                    ditherstate[channel] = rnd;
+                    return d;
+                }
+
+
+                setChannelCount(2);
+                const inputs = [audiobufferleft, audiobufferright];
+                const outputs = [audiobufferleft, audiobufferright];
+
+                for (let channel = 0; channel < inputs.length; channel++) {
+                    const inputData = inputs[channel];
+                    const outputData = outputs[channel];
+                    for (let sample = 0; sample < bufferlength; sample++) {
+                        let input = inputData[sample];
+                        // console.log('a2',inputData.length);
+                        for (let i = 0; i < h.length; i++) {
+                            input -= h[i] * nsState[channel][i];
+                        }
+                        // console.log('a3',input);
+                        let d_rand = 0.0;
+                        // ditherstate = new Float32Array(h.length);
+                        d_rand = hpDither(channel);
+                        const tmpOutput = qt * Math.round(input / qt + d_rand);
+                        for (let i = h.length - 1; i >= 0; i--) {
+                            nsState[channel][i] = nsState[channel][i - 1];
+                        }
+                        nsState[channel][0] = tmpOutput - input;
+                        outputData[sample] = tmpOutput;
+                    }
+                }
+                return outputs;
+            }
+
+
+            function convert(n: any) {
+                var v = n < 0 ? n * 32768 : n * 32767;       // convert in range [-32768, 32767]
+                return Math.max(-32768, Math.min(32768, v)); // clamp
+            }
+
+            let newaudio = quantization(leftpcm, rightpcm);
+            // console.log(newaudio.length);
+            let pcmData = Buffer.from(new Int8Array(interleave16(Int16Array.from(newaudio[0], x => convert(x)), Int16Array.from(newaudio[1], x => convert(x))).buffer));
+
+            if (!this.headerSent) {
+                console.log('new header')
+                const header = Buffer.alloc(44)
+                header.write('RIFF', 0)
+                header.writeUInt32LE(2147483600, 4)
+                header.write('WAVE', 8)
+                header.write('fmt ', 12)
+                header.writeUInt8(16, 16)
+                header.writeUInt8(1, 20)
+                header.writeUInt8(2, 22)
+                header.writeUInt32LE(48000, 24)
+                header.writeUInt32LE(16, 28)
+                header.writeUInt8(4, 32)
+                header.writeUInt8(16, 34)
+                header.write('data', 36)
+                header.writeUInt32LE(2147483600 + 44 - 8, 40)
+                this.audioStream.write(Buffer.concat([header, pcmData]));
+                this.headerSent = true;
+            } else {
+                this.audioStream.write(pcmData);
+            }
+
+        });
 
         //QR Code
         ipcMain.handle('showQR', async (_event, _) => {

src/main/plugins/chromecast.ts

@@ -142,8 +142,8 @@ export default class ChromecastPlugin {
             }
             let media = {
                 // Here you can plug an URL to any mp4, webm, mp3 or jpg file with the proper contentType.
-                contentId: 'http://' + this.getIp() + ':9000/audio.webm',
+                contentId: 'http://' + this.getIp() + ':9000/audio.wav',
-                contentType: 'audio/webm',
+                contentType: 'audio/wav',
                 streamType: 'LIVE', // or LIVE
 
                 // Title and cover displayed while buffering

src/renderer/audio/audio.js

@@ -9,6 +9,7 @@ var CiderAudio = {
         vibrantbassNode: null,
         llpw: null,
         analogWarmth: null,
+        recorderNode: null,
     },
     ccON: false,
     mediaRecorder: null,
@@ -140,33 +141,159 @@ var CiderAudio = {
     sendAudio: function (){
         if (!CiderAudio.ccON) {
             CiderAudio.ccON = true
-            let searchInt = setInterval(function () {
+            let searchInt = setInterval(async function () {
                 if (CiderAudio.context != null && CiderAudio.audioNodes.gainNode != null) {
-                    var options = {
+                    // var options = {
-                        mimeType: 'audio/webm; codecs=opus'
+                    //     mimeType: 'audio/webm; codecs=opus'
-                    };
+                    // };
-                    var destnode = CiderAudio.context.createMediaStreamDestination();
+                    // var destnode = CiderAudio.context.createMediaStreamDestination();
-                    CiderAudio.audioNodes.gainNode.connect(destnode)
+                    // CiderAudio.audioNodes.gainNode.connect(destnode)
-                    CiderAudio.mediaRecorder = new MediaRecorder(destnode.stream, options);
+                    // CiderAudio.mediaRecorder = new MediaRecorder(destnode.stream, options);
-                    CiderAudio.mediaRecorder.start(1);
+                    // CiderAudio.mediaRecorder.start(1);
-                    CiderAudio.mediaRecorder.ondataavailable = function (e) {
+                    // CiderAudio.mediaRecorder.ondataavailable = function (e) {
-                        e.data.arrayBuffer().then(buffer => {
+                    //     e.data.arrayBuffer().then(buffer => {
-                            ipcRenderer.send('writeAudio', buffer)
+                    //         ipcRenderer.send('writeAudio', buffer)
+                    //     }
+                    //     );
+                    // }
+                    const worklet = `class RecorderWorkletProcessor extends AudioWorkletProcessor {
+                        static get parameterDescriptors() {
+                          return [{
+                            name: 'isRecording',
+                            defaultValue: 0
+                          },
+                          {
+                            name: 'numberOfChannels',
+                            defaultValue: 2
                           }
-                        );
+                        ];
                         }
                       
+                        constructor() {
+                          super();
+                          this._bufferSize = 4096;
+                          this._buffers = null;
+                          this._initBuffer();
+                        }
+                        _initBuffers(numberOfChannels) {
+                          this._buffers = [];
+                          for (let channel=0; channel < numberOfChannels; channel++) {
+                            this._buffers.push(new Float32Array(this._bufferSize));
+                          }
+                        }
+                      
+                        _initBuffer() {
+                          this._bytesWritten = 0;
+                        }
+                      
+                        _isBufferEmpty() {
+                          return this._bytesWritten === 0;
+                        }
+                      
+                        _isBufferFull() {
+                          return this._bytesWritten === this._bufferSize;
+                        }
+                        _pushToBuffers(audioRawData, numberOfChannels) {
+                          if (this._isBufferFull()) {
+                              this._flush();
+                          }
+                          let dataLength = audioRawData[0].length;
+                          for (let idx=0; idx<dataLength; idx++) {
+                            for (let channel=0; channel < numberOfChannels; channel++) {
+                              let value = audioRawData[channel][idx];
+                              this._buffers[channel][this._bytesWritten] = value;
+                            }
+                            this._bytesWritten += 1;
+                          }
+                        }
+                      
+                        _flush() {
+                          let buffers = [];
+                          this._buffers.forEach((buffer, channel) => {
+                            if (this._bytesWritten < this._bufferSize) {
+                              buffer = buffer.slice(0, this._bytesWritten);
+                            }
+                            buffers[channel] = buffer;
+                          });
+                          this.port.postMessage({
+                            eventType: 'data',
+                            audioBuffer: buffers,
+                            bufferSize: this._bufferSize
+                          });
+                          this._initBuffer();
+                        }
+                      
+                        _recordingStopped() {
+                          this.port.postMessage({
+                            eventType: 'stop'
+                          });
+                        }
+                      
+                        process(inputs, outputs, parameters) {
+                          const isRecordingValues = parameters.isRecording;
+                          const numberOfChannels = parameters.numberOfChannels[0];   
+                          if (this._buffers === null) {
+                            this._initBuffers(numberOfChannels);
+                          }
+                          
+                          for (let dataIndex = 0; dataIndex < isRecordingValues.length; dataIndex++) 
+                          {
+                            const shouldRecord = isRecordingValues[dataIndex] === 1;
+                            if (!shouldRecord && !this._isBufferEmpty()) {
+                              this._flush();
+                              this._recordingStopped();
+                            }
+                      
+                            if (shouldRecord) {
+                              let audioRawData = inputs[0];
+                              this._pushToBuffers(audioRawData, numberOfChannels);
+                            }
+                          }
+                          return true;
+                        }
+                      
+                      }
+                      
+                      registerProcessor('recorder-worklet', RecorderWorkletProcessor);`
+                    let blob = new Blob([worklet], { type: 'application/javascript' });
+                    await CiderAudio.context.audioWorklet.addModule(URL.createObjectURL(blob))
+                    .then(() => {
+        
+                      const channels = 2;
+                      CiderAudio.audioNodes.recorderNode = new window.AudioWorkletNode(CiderAudio.context,
+                        'recorder-worklet',
+                        { parameterData: { numberOfChannels: channels } });
+                        CiderAudio.audioNodes.recorderNode.port.onmessage = (e) => {
+                        const data = e.data;
+                        switch (data.eventType) {
+                          case "data":
+                              const audioData = data.audioBuffer;
+                              const bufferSize = data.bufferSize;
+                                ipcRenderer.send('writeWAV', audioData[0], audioData[1], bufferSize);
+                            break;
+                          case "stop":
+                            break;
+                        }
+                      }
+                      CiderAudio.audioNodes.recorderNode.parameters.get('isRecording').setValueAtTime(1, CiderAudio.context.currentTime);
+                      CiderAudio.audioNodes.gainNode.connect(CiderAudio.audioNodes.recorderNode);
+
+                    });
                     clearInterval(searchInt);
                 }
             }, 1000);
-        }
+        } else {if (CiderAudio.audioNodes.recorderNode != null && CiderAudio.context != null) {
+            CiderAudio.audioNodes.recorderNode.parameters.get('isRecording').setValueAtTime(1, CiderAudio.context.currentTime);
+            // CiderAudio.audioNodes.recorderNode = null;
+            // CiderAudio.ccON = false;
+        }}
        
     },
     stopAudio(){
-        if (CiderAudio.mediaRecorder != null){
+        if (CiderAudio.audioNodes.recorderNode != null && CiderAudio.context != null) {
-            CiderAudio.mediaRecorder.stop();
+            CiderAudio.audioNodes.recorderNode.parameters.get('isRecording').setValueAtTime(0, CiderAudio.context.currentTime);
-            CiderAudio.mediaRecorder = null;
+            // CiderAudio.audioNodes.recorderNode = null;
-            CiderAudio.ccON = false;
+            // CiderAudio.ccON = false;
         }
     },
     analogWarmth_h2_3: function (status, hierarchy){ 

src/renderer/views/app/sidebar.ejs

@@ -96,7 +96,7 @@
                             <span class="usermenu-item-icon"><%- include("../svg/smartphone.svg") %></span>
                             <span class="usermenu-item-name">{{$root.getLz('action.showWebRemoteQR')}}</span>
                 </button>
-                <button class="usermenu-item" v-if="cfg.advanced.AudioContext && isDev" @click="modals.castMenu = true">
+                <button class="usermenu-item" v-if="cfg.advanced.AudioContext" @click="modals.castMenu = true">
                     <span class="usermenu-item-icon"><%- include("../svg/cast.svg") %></span>
                     <span class="usermenu-item-name">Cast</span>
                 </button>