SudoPod
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A basic streaming audio player with integrated API.
package
{
import flash.events.Event;
import flash.events.MouseEvent;
import flash.media.SoundTransform;
import flash.display.Sprite;
import flash.media.SoundMixer;
import flash.display.MovieClip;
import flash.net.URLRequest;
import flash.media.Sound;
import flash.events.ProgressEvent;
import flash.media.SoundChannel;
import flash.utils.ByteArray;
import flash.display.Graphics;
import flash.events.IOErrorEvent;
import flash.display.NativeWindow;
import flash.events.ServerSocketConnectEvent;
import flash.net.Socket;
import flash.events.OutputProgressEvent;
import flash.net.ServerSocket;
public class sudoPod extends MovieClip
{
public var volumeDial:Sprite;
private var _volume:Number = 0.5;
private var window:NativeWindow;
private var audioPath:String = "http://sudoradio.com:8000/";
private var sound:Sound;
private var soundChannel:SoundChannel;
private var playbackActive:Boolean;
private var localhostSocket:ServerSocket;
// TODO: Update to custom class using vectors
private var localhostClients:Object;
private var lastX:Number;
public function sudoPod()
{
initUI();
initSound();
initLocalhost();
}
public function get volume():Number
{
return _volume;
}
public function set volume(level:Number):void
{
_volume = Math.max(0, Math.min(1, level));
// Add SO for remembering last volume on restart
// Add volume tween/fader
var t:SoundTransform = SoundMixer.soundTransform;
t.volume = _volume;
SoundMixer.soundTransform = t;
volumeDial.rotation = _volume * 120.0;
}
private function update():void
{
drawSpectrum();
}
private function initUI():void
{
volumeDial.rotation = _volume * 120.0;
volumeDial.addEventListener(MouseEvent.MOUSE_DOWN, dialHandler);
window = stage.nativeWindow;
window.stage.addEventListener(MouseEvent.MOUSE_DOWN, downHandler);
this.addEventListener(MouseEvent.MOUSE_WHEEL, wheelHandler);
this.addEventListener(Event.ENTER_FRAME, frameHandler);
}
private function initSound():void
{
sound = new Sound();
sound.addEventListener(Event.COMPLETE, completeHandler);
sound.addEventListener(Event.ID3, id3Handler);
sound.addEventListener(IOErrorEvent.IO_ERROR, ioErrorHandler);
sound.addEventListener(ProgressEvent.PROGRESS, progressHandler);
volume = _volume;
playbackActive = true;
loadSound(audioPath);
}
private function initLocalhost():void
{
localhostClients = new Object();
localhostSocket = new ServerSocket();
localhostSocket.addEventListener(Event.CONNECT, localhostConnect);
localhostSocket.addEventListener(Event.CLOSE, localhostClose);
localhostSocket.bind(21337, "0.0.0.0");
localhostSocket.listen();
}
private function startPlayback():void
{
if (!playbackActive)
{
playbackActive = true;
initSound();
}
}
private function stopPlayback():void
{
if (playbackActive)
{
playbackActive = false;
soundChannel.stop();
sound.removeEventListener(Event.COMPLETE, completeHandler);
sound.removeEventListener(Event.ID3, id3Handler);
sound.removeEventListener(IOErrorEvent.IO_ERROR, ioErrorHandler);
sound.removeEventListener(ProgressEvent.PROGRESS, progressHandler);
sound.close();
}
}
private function loadSound(path:String):void
{
audioPath = path;
sound.load(new URLRequest(audioPath));
soundChannel = sound.play();
}
private function drawSpectrum():void
{
var bytes:ByteArray = new ByteArray();
var g:Graphics = spectrumGraph.graphics;
g.clear();
SoundMixer.computeSpectrum(bytes, true, 4);
renderBytes(g, [0x0066CC, 0x00CC66], bytes);
SoundMixer.computeSpectrum(bytes, false, 0);
renderBytes(g, [0x6600CC, 0xCC0066], bytes);
}
private function renderBytes(g:Graphics, c:Array, bytes:ByteArray):void
{
const PLOT_WIDTH:int = 200;
const CHANNEL_LENGTH:int = 256;
const L_OFF = -0;
const R_OFF = 0;
g.lineStyle(0, c[0], 0.8);
g.beginFill(c[0], 0.5);
g.moveTo(L_OFF, CHANNEL_LENGTH * 2);
var n:Number = 0;
for (var i:int = 0; i < CHANNEL_LENGTH; i++) {
n = (bytes.readFloat() * PLOT_WIDTH);
g.lineTo(-n + L_OFF, (CHANNEL_LENGTH * 2) - (i * 2));
}
g.lineTo(L_OFF, 0);
g.endFill();
g.lineStyle(0, c[1], 0.8);
g.beginFill(c[1], 0.5);
g.moveTo(R_OFF, CHANNEL_LENGTH * 2);
for (i = CHANNEL_LENGTH; i > 0; i--) {
n = (bytes.readFloat() * PLOT_WIDTH);
g.lineTo(n + R_OFF, i * 2);
}
g.lineTo(R_OFF, 0);
g.endFill();
}
private function frameHandler(e:Event):void
{
update();
}
private function downHandler(e:MouseEvent):void
{
window.startMove();
}
private function dialHandler(e:MouseEvent):void
{
e.stopPropagation();
lastX = mouseX;
volumeDial.addEventListener(MouseEvent.MOUSE_MOVE, dialMoveHandler);
this.addEventListener(MouseEvent.MOUSE_UP, upHandler);
}
private function upHandler(e:MouseEvent):void
{
volumeDial.removeEventListener(MouseEvent.MOUSE_MOVE, dialMoveHandler);
this.removeEventListener(MouseEvent.MOUSE_UP, upHandler);
}
private function dialMoveHandler(e:MouseEvent):void
{
volume += (mouseX - lastX) / 100.0;
lastX = mouseX;
}
private function wheelHandler(e:MouseEvent):void
{
volume += e.delta / 100.0;
}
private function completeHandler(e:Event):void
{
trace("Complete:", e);
}
private function id3Handler(e:Event):void
{
trace("ID3:", e);
}
private function ioErrorHandler(e:Event):void
{
trace("IO Error:", e);
}
private function progressHandler(e:ProgressEvent):void
{
// trace("Progress:", e);
/*
bytesLoadedText.text = e.bytesLoaded.toString();
bytesTotalText.text = e.bytesTotal.toString();
var p:Number = e.bytesLoaded / e.bytesTotal;
percentLoadedText.text = Math.round(p * 100.0).toString() + "%";
*/
}
/////////////////////////////////////////////////////////////
/////////////////// localhost server ////////////////////////
/////////////////////////////////////////////////////////////
private function localhostConnect(e:ServerSocketConnectEvent):void
{
var socket:Socket = e.socket as Socket;
localhostClients[socket.remoteAddress + socket.remotePort] = socket;
socket.addEventListener(ProgressEvent.SOCKET_DATA, localhostSocketData);
socket.addEventListener(Event.CLOSE, localhostClientClose);
socket.addEventListener(IOErrorEvent.IO_ERROR, localhostIOError);
socket.addEventListener(OutputProgressEvent.OUTPUT_PROGRESS, localhostProgress);
trace("Connect: " + socket.remoteAddress + ":" + socket.remotePort);
}
private function closeLocalhostSocket(socket:Socket):void
{
trace("Close: " + socket.remoteAddress + ":" + socket.remotePort);
socket.removeEventListener(ProgressEvent.SOCKET_DATA, localhostSocketData);
socket.removeEventListener(Event.CLOSE, localhostClientClose);
socket.removeEventListener(IOErrorEvent.IO_ERROR, localhostIOError);
socket.removeEventListener(OutputProgressEvent.OUTPUT_PROGRESS, localhostProgress);
localhostClients[socket.remoteAddress + socket.remotePort] = null;
if (socket.connected)
socket.close();
socket = null;
}
private function localhostProgress(e:OutputProgressEvent):void
{
if (e.bytesPending == 0)
{
var socket:Socket = e.target as Socket;
closeLocalhostSocket(socket);
}
}
private function genHTML():String
{
var html:String = "";
html += "<html>\n"
html += " <head>\n";
html += " <title>sudoPod API</title>\n";
html += " </head>\n";
html += " <body>\n";
html += " <h1>sudoPod</h1>\n";
html += " <p>\n";
html += " <button onclick='window.location = \"/volumeUp\"'>Volume +</button><br/><br/>\n";
html += " Volume: " + Math.round(volume * 100.0).toString() + "%<br/><br/>\n";
html += " <button onclick='window.location = \"/volumeDown\"'>Volume -</button>\n";
html += " </p><br/<br/>\n";
html += " <p>\n";
html += " <button onclick='window.location = \"/start\"'>start</button>\n";
html += " <button onclick='window.location = \"/stop\"'>stop</button>\n";
html += " </p>\n";
html += " <p>status</p>\n";
html += " <p>Playing: " + (playbackActive ? "true" : "false") + "</p>\n";
html += " <p>Path: " + audioPath + "</p>\n";
html += " <p>Position: " + Math.round(soundChannel.position / 1000.0) + " seconds</p>\n";
html += " <p>Volume: " + Math.round(volume * 100.0).toString() + "%</p>\n";
html += " <p>\n";
html += " <button onclick='window.location = \"/\"'>Refresh</button><br/>\n";
html += " </p>\n";
html += " </body>\n";
html += "</html>";
return html;
}
private function localhostSocketData(e:ProgressEvent):void
{
var socket:Socket = e.target as Socket;
var msg:String = socket.readUTFBytes(socket.bytesAvailable);
var html:String = "<!DOCTYPE html>\n";
trace(socket.remoteAddress + ":" + socket.remotePort + "<" + msg.substr(0, msg.indexOf("\n")));
// check for http GET /
if (msg.substr(0, 11) == "GET /hello ")
{
html += "<html>\n<head>\n<title>Hello HTML</title>\n</head>\n<body>\n<p>sudoPod API!</p>\n</body>\n</html>";
socket.writeUTFBytes(html);
socket.flush();
}
else if (msg.substr(0, 6) == "GET / ")
{
html += genHTML();
socket.writeUTFBytes(html);
socket.flush();
}
else if (msg.substr(0, 11) == "GET /start ")
{
startPlayback();
html += genHTML();
socket.writeUTFBytes(html);
socket.flush();
}
else if (msg.substr(0, 10) == "GET /stop ")
{
stopPlayback();
html += genHTML();
socket.writeUTFBytes(html);
socket.flush();
}
else if (msg.substr(0, 14) == "GET /volumeUp ")
{
volume += 0.1;
html += genHTML();
socket.writeUTFBytes(html);
socket.flush();
}
else if (msg.substr(0, 16) == "GET /volumeDown ")
{
volume -= 0.1;
html += genHTML();
socket.writeUTFBytes(html);
socket.flush();
}
else if (msg.substr(0, 17) == "GET /favicon.ico ")
{
// Noisebridge icon (w/counterfit header)
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for (var i:int = 0; i < bytes.length; i++)
{
socket.writeByte(bytes[i]);
}
socket.flush();
}
else
{
closeLocalhostSocket(socket);
}
}
private function localhostClientClose(e:Event):void
{
var socket:Socket = e.target as Socket;
closeLocalhostSocket(socket);
}
private function localhostIOError(e:IOErrorEvent):void
{
// TODO: Add error handling and recover
trace("ERROR: " + e.text);
}
private function localhostClose(e:Event):void
{
// TODO: Add error handling and recover
trace("localhost Server socket closed.");
}
}
}