Audio only after switch to classic Video from StageVideo

Question

I see a problem while switching renderer.
1. Use flash.media.Video to render a video.
2. Swith to StageVideo to render.
3. Use flash.media.Video to render the video again. Now, you can see the audio-only problem.

Answer 1

This is the sample code to test. Both occured in Flash Player 10.2 and 10.3.
<?xml version="1.0" encoding="utf-8"?>
<s:Application xmlns:fx="http://ns.adobe.com/mxml/2009"
               xmlns:s="library://ns.adobe.com/flex/spark"
               xmlns:mx="library://ns.adobe.com/flex/mx"
               applicationComplete="application1_applicationCompleteHandler(event)"
               backgroundAlpha="0" viewSourceURL="srcview/index.html">
    <fx:Script>
        <![CDATA[
            import mx.events.FlexEvent;
            private var ns:NetStream;
            private var nc:NetConnection;
            private var video:Video;
            private var stageVideo:StageVideo;
            protected function application1_applicationCompleteHandler(event:FlexEvent):void
                nc  = new NetConnection();
                nc.client = this;
                nc.connect("rtmp://cp67126.edgefcs.net/ondemand");
                nc.addEventListener(NetStatusEvent.NET_STATUS, onStatus);
            public function onBWDone( ):void
            public function onStatus( event:NetStatusEvent ):void
                ns = new NetStream(nc);
                ns.client = this;
                ns.play( "mp4:mediapm/ovp/content/demo/video/elephants_dream/elephants_dream_768x428_24.0fps_408kb ps" );
                stageVideo = stage.stageVideos[0];
                button2_clickHandler(null);
                //                stageVideo.attachNetStream(ns);
                //                stageVideo.viewPort = new Rectangle(0, 0, 640, 480);
            public function onMetaData(info:Object):void
            protected function button1_clickHandler(event:MouseEvent=null):void
                stageVideo.attachNetStream(ns);
                stageVideo.viewPort = new Rectangle(0,0,640,480);
                if (video)
                    uic.removeChild( video );
                    video.attachNetStream( null );
                    video = null;
            protected function button2_clickHandler(event:MouseEvent=null):void
                stageVideo.viewPort = new Rectangle(0,0,0,0);
                stageVideo.attachNetStream( null );
                video = new Video( 640, 480 );
                video.x = 640;
                video.attachNetStream(ns);
                uic.addChild( video );
        ]]>
    </fx:Script>
    <s:layout>
        <s:VerticalLayout />
    </s:layout>
    <mx:UIComponent id="uic" width="100%" height="100%"/>
    <s:HGroup width="100%">
        <s:Button label="StageVideo" click="button1_clickHandler(event)" />
        <s:Button label="Classic" click="button2_clickHandler(event)" />
    </s:HGroup>
</s:Application>