Does the policy file have to do something with this problem? http://www.red5.org/ticket/636
(I'm using red5) On Sun, Mar 21, 2010 at 11:50 AM, Lucas Lain <[email protected]> wrote: > Does anyone make SoundMixer.computeSpectrum() function to work? > > L. > > > On Sun, Mar 21, 2010 at 10:48 AM, Lucas Lain <[email protected]> wrote: >> Thank you Henry. >> >> It didn't work. I'm still getting the security error :( >> >> I'm trying to play a streaming resource ... but it has nothing to do >> with mi problem ... right? >> >> >> >> On Sun, Mar 21, 2010 at 10:16 AM, Henry Minsky <[email protected]> >> wrote: >>> I am trying to recall if anything in the Laszlo runtime library loads sound >>> from an external source when the >>> LFC is initialized, but I don't think >>> so. >>> >>> >>> >>> On Sun, Mar 21, 2010 at 9:08 AM, Lucas Lain <[email protected]> wrote: >>>> >>>> I can see the red line now! :) >>>> The security error shows up when computeSpectrum is called. >>>> I found this: >>>> >>>> "the Error #2121 happens when you try to call the computeSpectrum >>>> function when another flash file with sound is loaded from a different >>>> domain. >>>> For example, if you have youtube open when trying to view a flash file >>>> that uses computeSpectrum, it will fail because youtube did not grant >>>> your domain access to get its sound info.... >>>> It appears the only "solution" is to put your computeSpectrum in a >>>> try/catch block (or use areSoundsInaccessable method before calling >>>> computeSpectrum ) and simply notify the user that a flash file in a >>>> different window is interfering with your sound visualizations!" >>>> >>>> But I'm not using flash in any window :( >>>> >>>> >>>> On Sun, Mar 21, 2010 at 9:46 AM, Henry Minsky <[email protected]> >>>> wrote: >>>> > I tried to compile and run your example, as follows, and it ran without >>>> > error for me. It displayed a red line >>>> > >>>> > <canvas> >>>> > <class name="spectrum" extends="view"> >>>> > <passthrough> >>>> > import flash.display.Sprite; >>>> > import flash.display.StageAlign; >>>> > import flash.display.StageScaleMode; >>>> > import flash.events.*; >>>> > import flash.media.Sound; >>>> > import flash.media.SoundChannel; >>>> > import flash.media.SoundMixer; >>>> > import flash.media.SoundTransform; >>>> > import flash.net.URLRequest; >>>> > import flash.utils.Timer; >>>> > import flash.geom.Matrix; >>>> > import flash.utils.ByteArray; >>>> > import flash.text.TextField; >>>> > import flash.text.TextFieldAutoSize; >>>> > import flash.text.TextFormat; >>>> > </passthrough> >>>> > >>>> > <attribute name="_ba" value="null"/> >>>> > <attribute name="_gr" value="null"/> >>>> > <method name="init"><![CDATA[ >>>> > this._ba = new ByteArray(); >>>> > this._gr = new Sprite(); >>>> > this._gr.x = 20; >>>> > this._gr.y = 200; >>>> > >>>> > canvas.sprite.addChild(this._gr); >>>> > >>>> > var time:Timer = new Timer(50); >>>> > >>>> > time.addEventListener(TimerEvent.TIMER, timerHandler); >>>> > time.start(); >>>> > ]]> >>>> > </method> >>>> > >>>> > <method name="timerHandler" args="e:Event"><![CDATA[ >>>> > >>>> > var ba:ByteArray = this._ba; >>>> > var gr:Sprite = this._gr; >>>> > >>>> > SoundMixer.computeSpectrum(ba, true); >>>> > var i:int; >>>> > gr.graphics.clear(); >>>> > gr.graphics.lineStyle(0, 0xFF0000); >>>> > gr.graphics.beginFill(0xFF0000); >>>> > gr.graphics.moveTo(0, 0); >>>> > var w:int = 2; >>>> > for (i=0; i<512; i+=w) { >>>> > var t:Number = ba.readFloat(); >>>> > var n:Number = (t * 100); >>>> > gr.graphics.drawRect(i, 0, w, -n); >>>> > } >>>> > ]]> >>>> > </method> >>>> > </class> >>>> > <spectrum/> >>>> > >>>> > </canvas> >>>> > >>>> > Do you have the Flash player installed? >>>> > Try running either in backtrace mode or without debugging enabled, and >>>> > see >>>> > if you can >>>> > get more information about where the errors is coming from. In backtrace >>>> > mode, you can click on the error to inspect it. In non-debug mode, the >>>> > Flash >>>> > debug player will give you a native Flash backtrace. >>>> > >>>> > >>>> > On Sun, Mar 21, 2010 at 8:38 AM, Lucas Lain <[email protected]> >>>> > wrote: >>>> >> >>>> >> Hello Henry, >>>> >> >>>> >> Thank you for your answer. I modified the code and I can compile now. >>>> >> >>>> >> But I can't see the sprite, and I'm getting a runtime error: >>>> >> >>>> >> ERROR @spectrum.lzx≈46: SecurityError: Error #2123 >>>> >> >>>> >> Any Ideas? Could you use this class? >>>> >> >>>> >> Best! >>>> >> >>>> >> L. >>>> >> >>>> >> >>>> >> On Sun, Mar 21, 2010 at 1:47 AM, Henry Minsky <[email protected]> >>>> >> wrote: >>>> >> > Also you will need an extra arg to your handler method >>>> >> > >>>> >> > <method name="timerHandler" args="e:Event"> >>>> >> > >>>> >> > Because the contract for a AS3 event listener is that it needs to >>>> >> > accept >>>> >> > one >>>> >> > argument. >>>> >> > >>>> >> > "This function must accept an Event object as its only parameter and >>>> >> > must >>>> >> > return nothing" >>>> >> > >>>> >> > >>>> >> > >>>> >> > >>>> >> > On Sat, Mar 20, 2010 at 11:39 PM, Henry Minsky >>>> >> > <[email protected]> >>>> >> > wrote: >>>> >> >> >>>> >> >> To get the sprite, just "canvas.sprite" ought to work, although the >>>> >> >> cross >>>> >> >> platform API to get the sprite is canvas.getDisplayObject() >>>> >> >> >>>> >> >> >>>> >> >> >>>> >> >> On Sat, Mar 20, 2010 at 5:21 PM, Lucas Lain <[email protected]> >>>> >> >> wrote: >>>> >> >>> >>>> >> >>> Hello everybody, >>>> >> >>> >>>> >> >>> does anyone know how to add a sprite to an openlaszlo canvas or >>>> >> >>> view? >>>> >> >>> >>>> >> >>> I wrote/modified the attached class to visualize the sound >>>> >> >>> spectrum. >>>> >> >>> >>>> >> >>> This line is the one supposed to do the trick: >>>> >> >>> >>>> >> >>> canvas.content.sprite.addChild(this._gr); >>>> >> >>> >>>> >> >>> >>>> >> >>> Best! >>>> >> >>> >>>> >> >>> >>>> >> >>> -- >>>> >> >>> Lucas >>>> >> >> >>>> >> >> >>>> >> >> >>>> >> >> -- >>>> >> >> Henry Minsky >>>> >> >> Software Architect >>>> >> >> [email protected] >>>> >> >> >>>> >> >> >>>> >> > >>>> >> > >>>> >> > >>>> >> > -- >>>> >> > Henry Minsky >>>> >> > Software Architect >>>> >> > [email protected] >>>> >> > >>>> >> > >>>> >> > >>>> >> >>>> >> >>>> >> >>>> >> -- >>>> >> Lucas >>>> > >>>> > >>>> > >>>> > -- >>>> > Henry Minsky >>>> > Software Architect >>>> > [email protected] >>>> > >>>> > >>>> > >>>> >>>> >>>> >>>> -- >>>> Lucas >>> >>> >>> >>> -- >>> Henry Minsky >>> Software Architect >>> [email protected] >>> >>> >>> >> >> >> >> -- >> Lucas >> > > > > -- > Lucas > -- Lucas
