您好，我正在尝试使用 AS3 Worker 录制用户声音，当涉及到 Worker 和主场景之间的通信时，一切正常，但我认为录制功能在这里有问题，我使用的是来自 bytearray.org 的 Record Clash（http： //www.bytearray.org/?p=1858），这是我的代码我错过了什么：
package objects
{
import flash.events.Event;
import flash.system.MessageChannel;
import flash.system.Worker;
import flash.system.WorkerDomain;
import flash.utils.ByteArray;
import starling.display.Button;
import starling.display.Image;
import starling.display.Sprite;
import starling.events.Event;
public class RecordComponent extends Sprite
{
private var audioContainer:Image;
private var recButton:Button;
private var playButton:Button;
private var stopButton:Button;
//background thread for recording
private var worker:Worker;
private var wtm:MessageChannel;
private var mtw:MessageChannel;
private var output:ByteArray;
public function RecordComponent()
{
super();
worker = WorkerDomain.current.createWorker(Workers.RecordWorker);
wtm = worker.createMessageChannel(Worker.current);
mtw = Worker.current.createMessageChannel(worker);
worker.setSharedProperty("wtm",wtm);
worker.setSharedProperty("mtw",mtw);
worker.start();
wtm.addEventListener(flash.events.Event.CHANNEL_MESSAGE,onChannelMessage);
this.addEventListener(starling.events.Event.ADDED_TO_STAGE, onAddedToStage);
}
protected function onChannelMessage(event:flash.events.Event):void
{
output = wtm.receive();
}
protected function onAddedToStage(event:starling.events.Event):void
{
this.removeEventListener(starling.events.Event.ADDED_TO_STAGE, onAddedToStage);
drawScreen();
}
private function drawScreen():void
{
audioContainer = new Image( Assets.getAtlas().getTexture("audioContainer") );
addChild(audioContainer);
//record button
recButton = new Button( Assets.getAtlas().getTexture("recordButton") );
recButton.x=Math.ceil(194/2 - recButton.width/2);
recButton.y=5;
addChild(recButton);
//stop button
stopButton = new Button( Assets.getAtlas().getTexture("stopButton") );
stopButton.x=recButton.x+10;
stopButton.y=10;
stopButton.visible = false;
addChild(stopButton);
//play button
playButton = new Button( Assets.getAtlas().getTexture("playButton") );
playButton.x=Math.ceil(194 - playButton.width)-25;
playButton.y=10;
playButton.visible = false;
addChild(playButton);
this.addEventListener(starling.events.Event.TRIGGERED, buttons_triggeredHandler);
}
private function buttons_triggeredHandler(event:starling.events.Event):void
{
var currentButton:Button = event.target as Button;
switch(currentButton)
{
case recButton:
startRecording();
break;
case stopButton:
stopRecording();
break;
case playButton:
playRecording();
break;
}
}
private function playRecording():void
{
mtw.send("RECORD_PLAY");
}
private function stopRecording():void
{
stopButton.visible = false;
recButton.x = 25;
playButton.visible = true;
recButton.visible = true;
mtw.send("RECORD_STOP");
//
}
private function startRecording():void
{
recButton.visible = false;
stopButton.visible = true;
playButton.visible = false;
mtw.send("RECORD_START");
}
}
}
唱片工作者
package
{
import flash.display.Sprite;
import flash.events.Event;
import flash.media.Microphone;
import flash.system.MessageChannel;
import flash.system.Worker;
import org.as3wavsound.WavSound;
import org.bytearray.micrecorder.MicRecorder;
import org.bytearray.micrecorder.encoder.WaveEncoder;
import org.bytearray.micrecorder.events.RecordingEvent;
public class RecordWorker extends Sprite
{
private var wtm:MessageChannel;
private var mtw:MessageChannel;
// volume in the final WAV file will be downsampled to 50%
private var volume:Number = .75;
// we create the WAV encoder to be used by MicRecorder
private var wavEncoder:WaveEncoder = new WaveEncoder( volume );
// we create the MicRecorder object which does the job
private var recorder:MicRecorder = new MicRecorder( wavEncoder,Microphone.getEnhancedMicrophone() );
public function RecordWorker()
{
wtm = Worker.current.getSharedProperty("wtm");
mtw = Worker.current.getSharedProperty("mtw");
mtw.addEventListener(Event.CHANNEL_MESSAGE,command_Handler);
}
//message received from the main component
protected function command_Handler(event:Event):void
{
switch(mtw.receive())
{
case "RECORD_START":
trace("recording.....");
recorder.record();
recorder.addEventListener(RecordingEvent.RECORDING, onRecording);
recorder.addEventListener(flash.events.Event.COMPLETE, onRecordComplete);
break;
case "RECORD_STOP":
trace("record stopped....");
recorder.stop();
break;
case "RECORD_PLAY":
if(recorder.output.length>0)
{
var player:WavSound = new WavSound(recorder.output);
player.play();
}
break;
}
}
private function onRecording(event:RecordingEvent):void
{
trace ( event.time );
}
private function onRecordComplete(event:flash.events.Event):void
{
}
}
}
anny 帮助将被应用
谢谢， 哈立德