我是这个平台的新手，经过大量搜索，我无法解决这个问题。 我的代码在一个项目中的“VideoContainer”上显示错误，但在其他项目中，它工作正常。
<?xml version="1.0" encoding="utf-8"?>
<mx:WindowedApplication xmlns:mx="http://www.adobe.com/2006/mxml"
xmlns:s="library://ns.adobe.com/flex/spark"
xmlns="*"
viewSourceURL="srcview/index.html"
paddingLeft="0"
paddingRight="0"
paddingTop="0"
paddingBottom="0"
layout="absolute"
width="645" height="500"
creationComplete="init()">
<mx:Script>
<![CDATA[
import flash.events.AsyncErrorEvent;
import flash.media.*;
import flash.media.H264Level;
import flash.media.H264VideoStreamSettings;
import flash.media.Video;
import flash.media.VideoCodec;
import flash.media.VideoStreamSettings;
import flash.net.ObjectEncoding;
import mx.controls.*;
import mx.controls.Alert;
import mx.controls.Label;
import mx.controls.Menu;
import mx.events.*;
import mx.events.MenuEvent;
import mx.events.SliderEvent;
private var microphone:Microphone;
private var camera:Camera;
private var video:Video;
private var h264Settings:H264VideoStreamSettings = new H264VideoStreamSettings();
[Bindable]
public var nc:NetConnection;
public var ncl:NetStream;
public var ncr:NetStream;
private var mic:Microphone;
private var customClient:Object;
[Bindable]
public var isSender:Boolean;
private function init():void
{
nc = new NetConnection();
nc.objectEncoding = ObjectEncoding.AMF0; //pass binary data between two servers.
nc.addEventListener( NetStatusEvent.NET_STATUS, netStatusHandler );
nc.connect( "rtmp://wjzoiqyosa.rtmphost.com/fms01");
nc.addEventListener(AsyncErrorEvent.ASYNC_ERROR, asyncHandler);
}
public function asyncHandler(Event:AsyncErrorEvent):void{
trace("In asyncHandler");
}
public function netStatusHandler( event:NetStatusEvent ):void
{
switch( event.info.code ) {
case "NetConnection.Connect.Success":
// Connection succeeded now create components
connectComponents();
// Change to Video view
//vsMain.selectedChild = pnlVideo;
break;
case "NetConnection.Connect.Rejected":
Alert.show( "User limit exceed", "Restricted Usage" );
break;
}
}
public function connectComponents():void
{
init2();
}
public var bandwidth:int;
public var framerate:int;
public var picture:int;
public var keyframe:int;
private function init2():void
{
ncl = new NetStream( nc ); // used to send video on the server
ncr = new NetStream( nc );
video = new Video( 640, 480 );
customClient = new Object();
ncr.client = customClient;
customClient.onBWDoneHandler;
trace("connected");
bandwidth= bandwidth_slider.value;
framerate = sld_framerate.value;
picture = sld_pic.value;
keyframe = sld_keyframe.value;
label1.text = bandwidth.toString();
lbl_framerate.text = framerate.toString();
lbl_pic.text = picture.toString();
lbl_encoder.text = String(textLabel);
camera = Camera.getCamera("0".toString());
// 2k bytes (or ~16kbps) of bandwidth
// camera.setQuality( 65536 / 8, 80 );
// camera.setMode( 320, 240, 5, false );
// Set loopback as compressed
//camera.setLoopback( true );
//video.attachCamera( camera );
camera.setMode(320,240,framerate, false ); // (height, width, frame rate)
//camera.setQuality( 62500, 0 ); // Ensure that no more than 62500 (?K/second) is used to send video
camera.setQuality( bandwidth, picture );
// with a minimum quality of 0
//camera.setMotionLevel(10,500);
camera.setKeyFrameInterval(keyframe); // interpolation
h264Settings.setProfileLevel(H264Profile.BASELINE, H264Level.LEVEL_2);
//ncl.bufferTime = 0.3;
ncl.videoStreamSettings = h264Settings;
/*this.mic = Microphone.getEnhancedMicrophone();
if (!this.mic){
this.mic = Microphone.getMicrophone(-1);
};
this.mic.codec = SoundCodec.SPEEX;
this.mic.framesPerPacket = 1;
this.mic.setSilenceLevel(0, 2000);
this.mic.encodeQuality = 10;
this.mic.setLoopBack(true);
if (this.mic){
this.mic.setUseEchoSuppression(true);
//this.mic.rate = 22;
if (this.mic.gain != 60){
this.mic.gain = 60;
};
};
*/
ncl.attachCamera( camera ); //Specifies a video stream from a camera to be displayed within the boundaries of the Video object in the application.
//ncl.attachAudio(this.mic);
microphone = Microphone.getMicrophone();
ncl.attachAudio( microphone );
ncl.publish("my1");
video.attachNetStream( ncr ); //Specifies a video stream to be displayed within the boundaries of the Video object in the application.
//ncr.bufferTime = 0.3;
ncr.play( "my1" );
videoDisplay.video = video;
}
public function onBWDoneHandler(eventObj: Object):void{
trace("**onBWDone:" +Number(eventObj)+"kbps");
}
public function showHideCanvas():void{
if(canvas.visible == false){
canvas.visible = true;
}
else{
canvas.visible = false;
}
}
private function hideCanvas():void{
canvas.visible = false;
}
private var myMenu:Menu;
private function popUpEncoder():void{
myMenu = new Menu();
var dp:Object = [
{label: "H.264"},
{label: "Sorenson Spark"},
{label: "On2 VP6"}
];
myMenu.dataProvider = dp;
myMenu.addEventListener("itemClick", changeHandler);
popup.popUp = myMenu;
}
private var textLabel:String;
private function changeHandler(event:MenuEvent):void{
textLabel = event.label;
popup.label = textLabel;
popup.close();
}
]]>
</mx:Script>
<VideoContainer id="videoDisplay" x="-2" y="0" width="640" height="480" click="hideCanvas()"/>
<s:Image id="img" x="0" y="0" width="24" height="24" click="showHideCanvas()" smooth="true"
source="@Embed('../images/Settings-icon.png')"/>
<mx:Canvas id="canvas" visible="false" x="0" y="34" width="208" height="267" backgroundAlpha="0.5"
backgroundColor="#646464" borderAlpha="0.0" borderColor="#FFFFFF"
borderVisible="false" color="#FFFFFF" cornerRadius="10">
<mx:HSlider id="bandwidth_slider" x="79" y="5" width="75" maximum="70000"
minimum="0" snapInterval="500"/>
<mx:Label id="label1" x="158" y="13" height="13" fontSize="8"/>
<mx:Label x="12" y="9" color="#FFFFFF" fontFamily="Verdana" fontStyle="normal"
fontWeight="bold" text="Bandwith" textDecoration="none"/>
<mx:HSlider id="sld_framerate" x="79" y="21" width="75" maximum="50"
minimum="0" snapInterval="1" value="15"/>
<mx:Label id="lbl_framerate" x="158" y="29" height="15" fontSize="9"/>
<mx:Label x="0" y="25" color="#FFFFFF" fontFamily="Verdana" fontWeight="bold"
text="Frame Rate"/>
<mx:HSlider id="sld_pic" x="80" y="39" width="75" maximum="100" minimum="0"
snapInterval="1"/>
<mx:Label id="lbl_pic" x="158" y="48" width="19" height="13" fontSize="9"/>
<mx:Label x="29" y="44" width="67" color="#FFFFFF" fontFamily="Verdana" fontWeight="bold"
text="Picture"/>
<mx:HSlider id="sld_keyframe" x="80" y="56" width="75" maximum="50"
value="5" minimum="0" snapInterval="1"/>
<mx:Label x="4" y="61" fontFamily="Verdana" fontWeight="bold" text="Key Frame"/>
<mx:Button x="69" y="141" label="Apply" chromeColor="#28A50F" click="init2();"
color="#FFFFFF" cornerRadius="0" fontFamily="Verdana" fontSize="10"
fontStyle="normal" fontWeight="bold"/>
<mx:PopUpButton id="popup" x="52" y="85" label="Encoder" color="#0A0909"/>
<mx:Label id="lbl_encoder" x="52" y="114" width="88" creationComplete="popUpEncoder()"/>
</mx:Canvas>
</mx:WindowedApplication>
sev.sigev_notify;