ActionScript 3.0 :: Used NetStream.appendBytes() ,but Cannot Call BitmapData.draw()?
Nov 14, 2011
the tips: Error #2123: Security sandbox violation: BitmapData.draw: cannot access null. No policy files granted access.
Here is some sample code
[Code]...
This is only sample code use for an explanation. The error would happen when calling the getImage method while the video is playing. The error mentions a policy file not found. Since the file is loaded locally there isn't really a place to put a policy file. Is there a policy setting somewhere that needs to be set or is the BitmapData.draw feature just not available when using appendBytes? It is a local flv file, not an ramp stream from a server.
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Similar Posts:
Apr 9, 2011
I am using NetStream.appendBytes() to play a local video (no server involved) in Adobe AIR. I would like to use BitmapData.draw() to take a picture of the video output, but I am getting this error:
Error #2123: Security sandbox violation: BitmapData.draw: cannot access null. No policy files granted access.
Here is some sample code:
package
{
import flash.display.Sprite;
import flash.filesystem.File;
[Code].....
This is only sample code use for an explanation. The error would happen when calling the getImage method while the video is playing. The error mentions a policy file not found. Since the file is loaded locally there isn't really a place to put a policy file. Is there a policy setting somewhere that needs to be set or is the BitmapData.draw feature just not available when using appendBytes?
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Feb 25, 2010
I am working on an app that will take a snapshot of an rtmp stream of an archived video, save it to a file, and ExternalInterface the file name to the hosting page to javascript it up for display.
I actually have all pieces working great. The only time an error is thrown is when I pause the video, seek to somewhere, and then try to take a snapshot. Then there is a runtime error of:
SecurityError: Error #2123: Security sandbox violation: BitmapData.draw: mySwf.swf cannot access rtmp://myFlashServer/myApp. No policy files granted access.I've seen post after post of suggestions and have tried them, but without success.
I have the crossdomain.xml and my FlashMediaServer security setup fine (it is actually working, except for this one glitch). It just seems to be the pause-then-seek-then-BitMapData.draw() combination which is creating issues.
Another weird thing: after the error is thrown, if I resume the stream and take a snapshot, it works flawlessly again.
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Jan 9, 2012
I am having an issue with using BitmapData.draw(stage). I am getting the following error:
SecurityError: Error #2123: Security sandbox violation: BitmapData.draw: file:///C|/Documents%20and%20Settings/bla...bla...bla.swf cannot access null. No policy files granted access. Here is a portion of my code:
var bd:BitmapData = new BitmapData(2800, 2100); bd.draw(stage);//this is where the error happens All of the files referenced (.xml/.jpg/.swf) are located in the same local folder as the main .swf. How do I get around this error? The main objective is to print the stage using PrintJob(). I am using Flash Professional CS5.5 and publishing to Flash 10.0/10.1. Let me know if I need to supply any more info.
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Apr 14, 2011
I am trying to play a mp4 video file with netstream.appendbytes method. But the video downloading. When I load a flv video file, the player play the flv video but when I am trying a mp4 video file, don't loading. flv works, but mp4 don't works.
My code is
import flash.net.URLRequest;
import flash.net.URLStream;
import flash.events.ProgressEvent;
import flash.events.Event;
import flash.utils.ByteArray;
[Code] .....
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Apr 15, 2011
i am trying to play a mp4 video file with netstream.appendbytes method. but the video down't loading. when i am load a flv video file, the player play the flv video but when i am trying a mp4 video file, don't loading. flv works, but mp4 don't works.my code is
Code:
import flash.net.URLRequest;
import flash.net.URLStream;
[code].....
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Sep 13, 2011
I have a simple flv player which connects to a CDN which can take header byte range requests if a user wants to skip through a flv without the need for the flv to be 100% loaded.I am using a third party http librabry to add the range header to the request.My code plays the flv but when I try to skip to 30 seconds into the video it just freezes. I beleive the cdn does return the file as i can trace through the bytes and the header has the content-range repsonse (below).[code]
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Jul 10, 2010
I am trying to figure out how to use http dynamic streaming with flash 10.1 but I can't get the basic functions working. What is the syntax for using appendbytes with a video file?
package com.player {
import flash.display.Stage;
import flash.net.NetConnection;
[code]......
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Dec 29, 2011
I've been using BitmapData.copyPixels() to draw graphics onto a canvas (Bitmap).I need to rotate the resulting graphics without the use of draw() because it's vastly slower.How can I rotate the target graphic? I'm assuming that there might be a formula or library that I can use which will first reorganize the pixels that make up a graphic based on an origin (point) and radians.I'm pretty certain that I'm not capable of creating such logic, so if there are any known libraries that do this, that would be awesome.I'd like to achieve something similar to XNA's SpriteBatch.Draw() method, which accepts rotation as its 5th argument.
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Jul 15, 2009
I'm currently working on a flash game and I need to know how to addChild a BitmapData or draw a BitmapData to screen. If I can't than how can I give a DisplayObject my BitmapData?
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Mar 18, 2009
I am using the draw() method of the BitmapData to encode a jpeg of part of the image. Now this should be easy enough given the object I want to draw to the bitmap is on the stage at design time so I know its location and dimetions exactly! Heres the code I have in place.
Code:
var myBitmapSource:BitmapData = new BitmapData ( street.width, street.height, false, 0x333333);
myBitmapSource.draw(street, null, null, null, new Rectangle( 96, 5, 571, 450 ), true );
I know for a FACT that no part of the street clip I am drawing out is in negative space, and it's registration is (0,0). However, it cuts off A lot of the top of my image. y=5 in the above rectangle is where I need the top to be, but it cuts the top off of the image... even if I change it to 0, it has no effect.
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Jun 30, 2011
I'm making something that requires me to draw() the youtubeplayer Giving me this pretty error:
[Code]...
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Jul 6, 2011
I'm making a small video players in AS3, and I've found that after calling NetStream.pause() or NetStream.togglePause(), no status messages are being fired any more.If I click the "pause" button while the video is buffering, I never get the Buffer.Full message.Here is some code:
_connection = new NetConnection();
_connection.addEventListener(NetStatusEvent.NET_STATUS, netStatusHandler);
_connection.connect(null);[code].....
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Dec 15, 2009
I'm trying to do some lean blitting for an object that rotates by rotating it once at startup and capturing a BitmapData snapshot of each 5 degrees. The problem I'm having is that the draw() method of the BitmapData object is only picking up pixels in the MovieClip that are below and to the right of the registration point. If I change the MC so that the registration point is in the top left corner, I sometimes get what looks like most of the pixels, but the entire object rotates into and out of the frame, since it's rotating around the corner and not the center.
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Dec 16, 2010
i have a class thats create a class with bitmapData that merge 2 IBitmapDrawable. one of them is 24*20 while the other is 16*16.i want to draw the smaller first in a bitmapData object which its width and height are 24*20 but i want to draw it in the center of the big bounds.
[Code]...
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Oct 28, 2011
A webcam feed is published to a Flash Media Server. Now I want the Augmented Reality layer to be a part of this video capture, rendered into one NetStream.
Has anyone done something like adding a watermark to a NetStream before?
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May 29, 2010
you can see my project here:
[URL]
It uses bitmap data to draw each frame of the video, which is streamed using the netstream class. My question is - how can I optimise the speed at which it plays? It plays fine when the stage is small, but when on full screen it starts to get jerky.
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Oct 2, 2009
I have problem when drawing transparent png image on transparent bitmapData.
code of first frame:
stop();import flash.display.Bitmap;import flash.display.BitmapData;import flash.display.BlendMode;import flash.geom.ColorTransform;import flash.geom.Matrix;
var bmd: BitmapData = new BitmapData(500, 400, true, 0);var bitmap: Bitmap = new flash.display.Bitmap(bmd);addChildAt(bitmap, 1);
[Code]...
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Nov 16, 2011
I want to extract a bitmapdata from one of the first frames of a video flv, and it works correctly in Flash debug with these statements[code]...
When i test this in [url].. not work, I've inserted trace statements before and after this, and only the first are displayed.
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Aug 8, 2010
how can I draw strings onto BitmapData, is there something like Java´s Graphics.drawString()?
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May 20, 2011
the problem may be a simple one but I can't figure it out. I have an image loaded into BitmapData. now I want to take text from a textinput and put it on the BitmapData. Basically it's drawing a text on the BitmapData and get the result as another BitmapData that will consist of the original BitmapData with the text drawn over it on a specified position
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Jan 6, 2012
Right now I only have this code, but I'm not using BitmapData.draw(). How can I write my code using BitmapData.draw()?[code]
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Nov 17, 2009
When is a Bitmap not a Bitmap ?I can apply (using Sandy) an image as a texture :
var material:BitmapMaterial = new BitmapMaterial(new myImage(1,1));
myCone.appearance = new Appearance( material );
I can trace an object and form a bitmap :
[code]......
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Apr 28, 2010
I am trying to copy an image.The green stuff on the first image is a mask(which is not set, its just there to show it)Everything works fine when I dont set a mask to an image (picture 1)But when I set the mask I get picture 2.What I want is to copy a part of the image which is visible when the mask is set. I know what size the mask and image are going to be so I can calculate the size of the area which i need to copy.This is the code I am using, image has registration point in the center, thats why i use matrix.translate (not sure if its the right way).Also there is no image scaling applied (there might be later), thats why I am using matrix.scale.
Code:
var _reflectionHolder:Sprite = new Sprite();
addChild(_reflectionHolder);
_reflectionHolder.y =_targetObject.y + _targetObject.height / 2 + 10;[code]......
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Mar 25, 2008
I'm building a flickr application in flex at the moment but i keep getting sandbox errors when i invoke BitmapData.draw();.After doing some google research i found that the proper policyfile needs to be loaded.i do this using: Code:Now this still doesn't resolve the issues. Upon further research i found that i need to check the policy file first using checkPolicyFile = true;
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Nov 20, 2009
I'm trying to use images from wikimedia to tile a shape, but Wikimedia does not use crossdomain.xml files, so I get a security error whenever I try to do anything with BitmapData.draw().
[Code]...
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Dec 17, 2009
I have a sprite with some objects in it which are transformed in 3D (positioned and rotated). The objects form a coneshape in such a way that the objects that make up the back are hidden.When I use that sprite as a source for the bitmapData.draw() it is drawn from another viewpoint so it seems. In my case the copy is viewed slightly from the bottom and right.
Bottomline:Does anyone know of a way to duplicate the image of a sprite which contains 3D manipulated graphics?
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Jul 15, 2009
I'm currently working on a flash game and I need to know how to addChild a BitmapData or draw a BitmapData to screen. If I can't than how can I give a DisplayObject my BitmapData?
View 4 Replies
Dec 30, 2009
How to tell BitmapData do draw MC on custom coordinates?
when I call draw function, it has not got argument of coordinates, where to draw, and It draws on x=0 and y=o coordinates, and if I want x=50?[code]...
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Jan 26, 2011
I know half of the problem:the embedded movieclip is "content" of a Loader, and you can not draw Loaders directly with bitmapData.draw(aLoader);with a normal Loader, you could access the Loader.content and draw it but not in the embedded case.adobe forums could not give an answer to this and i searched for hours through the web ...
[Embed(source="aMovieClip.swf")]
private static var AMovieClip:Class;
//...
[code]....
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