我明白了,下面的代码适用于我的情况
// onmetadata function get all timestamp and corresponding fileposition..
function onMetaData(informationObject:Object):void
{
for (var propertyName:String in informationObject)
{
if (propertyName == "keyframes")
{
var kfObject:Object = informationObject[propertyName];
var timeArray:Array = kfObject["times"];
var filePositionArray:Array = kfObject["filepositions"];
for(var i:int=0;i<timeArray.length;i++)
{
var tagPosition:int = filePositionArray[i];//Read the tag size;
var timestamp:Number = timeArray[i];//read the timestamp;
tags.push({timestamp:timestamp,tagPosition:tagPosition});
}
}
}
}
// onseek click get approximate timestamp and its fileposition
protected function seek_click(seektime:Number):void
{
var currentTime:Number = 0;
var previousTime:Number = 0;
for (var i:int=1; i<tags.length; i++)
{
currentTime = tags[i].timestamp;
previousTime = tags[i-1].timestamp;
if(previousTime < seektime)
{
if(seektime < currentTime)
{
seekPos = tags[i-1].tagPosition;
stream.seek(previousTime);
break;
}
}
}
}
// append bytes on seekposition
private function netStatusHandler(event:NetStatusEvent):void
{
switch (event.info.code)
{
case "NetStream.Seek.Notify" :
stream.appendBytesAction(NetStreamAppendBytesAction.RESET_SEEK);
totalfilePositionArray.position = seekPos;
var bytes:filePositionArray = new filePositionArray();
totalfilePositionArray.readBytes(bytes);
stream.appendBytes(bytes);
stream.resume();
break;
}
}
用于将元数据关键帧注入 flv 文件。使用一些注入器工具 fe。FLV 元数据注入器
http://www.buraks.com/flvmdi/