dont fill up our input buffers too much/too fast

lib/input.js

@@ -35,6 +35,8 @@ function Input(args) {
 	this.channels = args.channels;
 	this.bitDepth = args.bitDepth;
 	this.sampleRate = args.sampleRate;
+
+	this.getMoreData = null;
 }
 
 util.inherits(Input, Writable);
@@ -44,6 +46,13 @@ Input.prototype.read = function (samples) {
 	if (this.buffer.length < bytes) bytes = this.buffer.length;
 	var r = this.buffer.slice(0, bytes);
 	this.buffer = this.buffer.slice(bytes);
+
+	if (this.buffer.length <= 131072 && this.getMoreData !== null) {
+		var getMoreData = this.getMoreData;
+		this.getMoreData = null;
+		process.nextTick(getMoreData);
+	}
+
 	return r;
 }
 
@@ -85,6 +94,12 @@ Input.prototype._write = function (chunk, encoding, next) {
 	}
 	*/
 	this.buffer = Buffer.concat([this.buffer, chunk]);
-	next();
+	if (this.buffer.length > 131072) {
+		this.getMoreData = next;
+	} else {
+		next();
+	}
+
+	
 }