From fc0150cc74aa068f45413d3e8674cd6db01a9fb6 Mon Sep 17 00:00:00 2001
From: xdrm-brackets <doowap31@gmail.com>
Date: Tue, 10 Apr 2018 13:53:57 +0200
Subject: [PATCH] [lib.audio-manager] maybe latency minfix ??

---
 parcel/lib/audio-manager.js | 98 ++++++++++++++++++-------------------
 1 file changed, 48 insertions(+), 50 deletions(-)

diff --git a/parcel/lib/audio-manager.js b/parcel/lib/audio-manager.js
index be439d5..e32ed3f 100644
--- a/parcel/lib/audio-manager.js
+++ b/parcel/lib/audio-manager.js
@@ -211,7 +211,49 @@ export default class AudioManager{
 	---------------------------------------------------------*/
 	send(_audioprocess){
 
-		/* (1) Manage analyser
+		/* Exit here if not connected */
+		if( this.ws === null || this.ws.readyState !== 1 )
+			return;
+
+
+		/* (1) WebSocket send packet
+		---------------------------------------------------------*/
+		/* (1) Initialize buffer (Float32Array) */
+		let buf32 = new Float32Array(AudioManager.BUFFER_SIZE);
+
+		/* (2) Extract stream into buffer */
+		_audioprocess.inputBuffer.copyFromChannel(buf32, 0);
+
+		/* (4) Convert for WS connection (Int16Array) */
+		let buf16 = this.f32toi16(buf32);
+
+		/* (5) Send buffer through websocket */
+		this.ws.send(buf16);
+
+
+
+		/* (2) WebSocket buffer stack read
+		---------------------------------------------------------*/
+		setTimeout(function(){
+
+			/* (1) Pop too large stack */
+			this.stack.length > this.stack_size && this.stack.pop();
+
+			/* (2) Read input buffer stack */
+			if( this.stack.length > 0 ){
+
+				// 1. extract our source
+				let source_node = this.stack.shift();
+
+				// 2. Play source node
+				source_node.start();
+
+			}
+
+		}.bind(this), 0);
+
+
+		/* (3) Manage analyser
 		---------------------------------------------------------*/
 		/* (1) Process only if 'freq_drawer' is set */
 		if( this.freq_drawer instanceof Function ){
@@ -223,7 +265,7 @@ export default class AudioManager{
 			this.analyser.getByteFrequencyData(freqArray);
 
 			// 3. Send to callback
-			this.freq_drawer(freqArray);
+			setTimeout(this.freq_drawer.bind(this,freqArray), 0);
 
 		}
 
@@ -237,61 +279,17 @@ export default class AudioManager{
 			this.analyser.getByteTimeDomainData(waveArray);
 
 			// 3. Send to callback
-			this.wave_drawer(waveArray);
+			setTimeout(this.wave_drawer.bind(this,waveArray), 0);
 
 		}
 
 
 
-		/* (2) WebSocket send packet
-		---------------------------------------------------------*/
-		/* (1) Exit here if not connected */
-		if( this.ws === null || this.ws.readyState !== 1 )
-			return;
-
-		/* (2) Initialize buffer (Float32Array) */
-		let buf32 = new Float32Array(AudioManager.BUFFER_SIZE);
-
-		/* (3) Extract stream into buffer */
-		_audioprocess.inputBuffer.copyFromChannel(buf32, 0);
-
-		/* (4) Convert for WS connection (Int16Array) */
-		let buf16 = this.f32toi16(buf32);
-
-		/* (5) Send buffer through websocket */
-		this.ws.send(buf16);
-
-		/* (6) Pop too large stack */
-		this.stack.length > this.stack_size && this.stack.pop();
-
-		/* (7) Read input buffer stack */
-		if( this.stack.length > 0 ){
-
-			// 1. extract our nodes
-			let tmp = this.stack.shift();
-			let source_node = tmp[0];
-			let gain_node   = tmp[1];
-
-			// 2. set default gain to fade-in
-			// ( this.test === true ) && gain_node.gain.setValueAtTime(0.1, this.ctx.currentTime);
-			// ( this.test === true ) && gain_node.gain.exponentialRampToValueAtTime(1, this.ctx.currentTime+AudioManager.CHUNK_DURATION*this.fade_in);
-
-			// 3. set final gain to fadeout
-			// ( this.test === true ) && gain_node.gain.setValueAtTime(1, this.ctx.currentTime+AudioManager.CHUNK_DURATION*(1-this.fade_out));
-			// ( this.test === true ) && gain_node.gain.exponentialRampToValueAtTime(0.1, this.ctx.currentTime+AudioManager.CHUNK_DURATION );
-
-			source_node.start(this.ctx.currentTime);
-		}
-
-		/* (7) Pop stack if exceeded */
-
-
-
-
-
 		// DEBUG
 		this.dbg.data.packets_sent++;
 		this.dbg.data.kB_sent += buf16.length * 16. / 8 / 1024;
+
+
 	}
 
 	/* (5) Play received chunks (Int16Array)
@@ -320,7 +318,7 @@ export default class AudioManager{
 		gain.connect(this.master);
 
 		/* (7) Push in buffer stack */
-		this.stack.push([source, gain]);
+		this.stack.push(source);
 
 	}