Thanks for the fast reply.
Weird. Maybe my video.
There is my code
var loader:VideoLoader = new VideoLoader("video/video.flv", {name:"myVideo", container:conteneurVideo, width:720, height:486,smooting:true, bgColor:0x000000, autoPlay:false, volume:0});
var queue:LoaderMax = new LoaderMax({name:"mainQueue", onComplete:completeHandler});
queue.append( loader );
queue.load();
function completeHandler(pEvt:LoaderEvent):void
{
loader.addEventListener(VideoLoader.VIDEO_PLAY, onVideoPlayHandler);
loader.playVideo();
}