SecurityError: Error #2123: Security sandbox violation: BitmapData.draw

i know has been discussed few times , seems working no matter try unable overcome error.  in nutshell trying capture video frames , draw them bitmap using osmf (f4m's specifically).  have looked on , tried suggestions these discussions:

 

http://forums.adobe.com/message/3759490#3759490

http://forums.adobe.com/message/3744741#3744741

http://forums.adobe.com/message/3254112#3254112

 

what trying follows.

 

i created crossdomain.xml root (all testing on local web server), crossdomain looks this:

 

<?xml version="1.0"?>

<!-- http://www.foo.com/crossdomain.xml -->

<!doctype cross-domain-policy system "http://www.macromedia.com/xml/dtds/cross-domain-policy.dtd">

<cross-domain-policy>

  <allow-access-from domain="*"/>

          <site-control permitted-cross-domain-policies="all"/>

  <allow-http-request-headers-from domain="*" headers="*"/>

</cross-domain-policy>

 

my load routine this:

 

_player = new mediaplayersprite();

addchild(_player);

security.loadpolicyfile(url.root + "/crossdomain.xml");

_player.resource = new urlresource(url.tostring());

_player.mediaplayer.addeventlistener(mediaplayerstatechangeevent.media_player_state_change , onplayerstatechange, false, 0, true);

 

then suggested in other discussions, don't try copy bitmap until playing state event in onplayerstatechange handler.  in handler set flag says ok copy bitmap , in onframeenter handler if flag set attempt copy bitmap.

 

i not sure quite else try next.  have monitored traffic test page , can see crossdomain.xml gets loaded, video loads , can hear until can fix of course can not see it.

 

i not sure if matters displayobject holds code never gets added stage.  because exposes bitmap property other objects can access when want , use video data.  mention because maybe security model not completed until gets added stage? 

 

any appreciated.  thanks!

i still stuck on this.. condition occurs seems when netstream.appendbytes being used, checkpolicyfile has no effect.  oversight adobe or there way work around this?

thanks.

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