flex视音频通讯-摄像头及麦克风检测

flex视音频通讯-摄像头及麦克风检测

< mx:Script >
<! [CDATA[
import mx.controls.VideoDisplay;
import flash.media.Camera;
import flash.media.Microphone;
import mx.controls.Alert;
import mx.events.CloseEvent;
import mx.rpc.events.ResultEvent;
import mx.rpc.events.FaultEvent;
import mx.utils.StringUtil;
import mx.managers.PopUpManager;
import flash.net.NetConnection;
import mx.rpc.soap.mxml.WebService;
import mx.collections.ArrayCollection;

[Bindable]
private var camData:ArrayCollection = new ArrayCollection();
[Bindable]
private var micData:ArrayCollection = new ArrayCollection();

private var mycamera:Camera;
private var mymicrophone:Microphone;
private var isCamera:Boolean = false ;
private var isMicrophone:Boolean = false ;
private var isMicrophone2:Boolean = false ;
private var iserrmsg:Boolean = false ;
private var showtimer:Timer = new Timer( 100 );

NetConnection.defaultObjectEncoding = flash.net.ObjectEncoding.AMF0;

private function login_init(): void
{

camData.removeAll();
for ( var i:String in Camera.names)
{
var item:Object = {data:i,Lable:Camera.getCamera(i).name.toString()};
camData.addItem(item);
}
micData.removeAll();
for ( var j:String in Microphone.names)
{
var item2:Object = {data:i,Lable:Microphone.getMicrophone(Number(j)).name.toString()};
micData.addItem(item2);
}
Cam_init();
Mic_init();
}
private function Cam_init(): void
{
isCamera = false ;
cam_lbl.text = "" ;
var index: int = cam_CB.selectedIndex;
if (index >- 1 )
{
mycamera = Camera.getCamera(index.toString());
}
else
{
mycamera = Camera.getCamera();
}
if (mycamera != null )
{
mycamera.addEventListener(StatusEvent.STATUS,camonStatusHandler);
mycamera.addEventListener(ActivityEvent.ACTIVITY, camactivityHandler);
mycamera.setMode( 240 , 180 , 12 ); // 设置所捕获视频的宽度(160)高度(120)帧速(15)是否控制宽度、高度和帧频(true)
mycamera.setQuality( 0 , 85 ); // 设置输出视像输送的最大带宽(max:0,default:16384)以及画面质量(max:0,1-100)。
mycamera.setKeyFrameInterval( 48 ); // 设置视频传输的帧速和压缩算法(1-48)。
var camvd:VideoDisplay = new VideoDisplay();
camvd.width = 240 ;
camvd.height = 180 ;
vd_canvas.addChild(camvd);
camvd.attachCamera(mycamera);
cam_lbl.text = " 摄像头未接入或被占用 " ;
}
else
{
isCamera = false ;
cam_lbl.text = " 摄像头未安装 " ;
}
}
// 摄像头初始化返回结果
private function camactivityHandler(event:ActivityEvent): void
{
isCamera = true ;
cam_lbl.text = " 摄像头工作正常 " ;
mycamera.removeEventListener(ActivityEvent.ACTIVITY,camactivityHandler);
}
// 检测摄像头允许使用权限
private function camonStatusHandler(event:StatusEvent): void
{
if (mycamera.muted)
{
isCamera = false ;
cam_lbl.text = " 摄像头未允许使用 " ;
}
else
{
mycamera.removeEventListener(StatusEvent.STATUS,camonStatusHandler);
}
}
private function Mic_init(): void
{
isMicrophone = false ;
isMicrophone2 = false ;
mic_lbl.text = "" ;
var index: int = mic_CB.selectedIndex;
if (index >- 1 )
{
mymicrophone = Microphone.getMicrophone(index);
}
else
{
mymicrophone = Microphone.getMicrophone();
}
mymicrophone.setUseEchoSuppression( true );
mymicrophone.setLoopBack( true );
if (mymicrophone != null )
{
showtimer.addEventListener(TimerEvent.TIMER,micvolshow_show);
showtimer.start();
mymicrophone.addEventListener(ActivityEvent.ACTIVITY, micactivityHandler);
mymicrophone.addEventListener(StatusEvent.STATUS, micstatusHandler);
isMicrophone = true ;
mic_lbl.text = " 麦克风未接入或被占用 " ;
}
else
{
isMicrophone = false ;
mic_lbl.text = " 麦克风未安装 " ;
}
}
private function micactivityHandler(event:ActivityEvent): void
{
isMicrophone = true ;
isMicrophone2 = true ;
mic_lbl.text = " 麦克风正常 " ;
mymicrophone.removeEventListener(ActivityEvent.ACTIVITY,micactivityHandler);
}

private function micstatusHandler(event:StatusEvent): void
{
if (mymicrophone.muted)
{
isMicrophone = false ;
mic_lbl.text = " 麦克风未允许使用 " ;
}
else
{
isMicrophone = true ;
mymicrophone.removeEventListener(StatusEvent.STATUS,micstatusHandler);
}
}
private function micvolshow_show(event:TimerEvent): void
{
audioshow_bar.width = int (mymicrophone.activityLevel);
}

]] >
</ mx:Script >
< mx:Style source = " ico/body.css " ></ mx:Style >
< mx:Label x = " 262 " y = " 43 " text = " 摄像头状态： " color = " #000000 " />
< mx:Label x = " 262 " y = " 148 " text = " 麦克风状态： " color = " #000000 " />
< mx:Label x = " 10 " y = " 259 " width = " 426 " textAlign = " center " id = " conn_lbl " color = " #FF0000 " />
< mx:Label x = " 262 " y = " 62 " width = " 178 " id = " cam_lbl " color = " #FF0000 " text = " 没有图像哦 " />
< mx:Label x = " 262 " y = " 169 " width = " 178 " id = " mic_lbl " color = " #FF0000 " text = " 没有声音哦 " />
< mx:Canvas x = " 10 " y = " 9 " width = " 240 " height = " 180 " backgroundImage = " @Embed(source='ico/videobj.png') " id = " vd_canvas " >
</ mx:Canvas >
< mx:ComboBox x = " 258 " y = " 10 " id = " cam_CB " width = " 178 " dataProvider = " {camData} " labelField = " Lable " change = " Cam_init(); " ></ mx:ComboBox >
< mx:ComboBox x = " 258 " y = " 91 " id = " mic_CB " width = " 178 " dataProvider = " {micData} " labelField = " Lable " change = " Mic_init(); " ></ mx:ComboBox >