Using OpenCV Library in Flex

hello everyone. I am quite new to Alchemy. I have been trying to create a Video Recorder for Flex using proper encoding techniques. I tried out this code for Capturing and storing video: http://tdotblog.info/?q=node/1 It works fine but there is no concept of P-, B- and I-frames in the file, so the file created is extremely hungry and unexpectedly large in size.
So, I thought of creating something in C/C++ and porting it into Flex using Alchemy. I managed to create a video encoder successfully in C using the OpenCV Library and Xvid encoding format.
Now I want to create a SWC file out of it using Alchemy. But Alchemy refuses to accept any external libraries during compilation. So, I have to compile the OpenCV libraries using Alchemy so that they can be linked.
I don't know how do I go about it. I cannot find any way of Compiling OpenCV .lib files using Alchemy. Kindly help me out with this one.

Hi guy,
I would like to understand your pb. You want to build opencv with alchemy ? (create an swc?) and link this on in an other swc used in action script?
I have two questions for u.
Did you build succesfully opencv with alchemy? And how do you link the opencv.swc created with your swc used in action script?
Ty

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    <s:Application  xmlns:fx="http://ns.adobe.com/mxml/2009"
                   xmlns:s="library://ns.adobe.com/flex/spark"
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                private function initfunc():void
                    b1.addEventListener(MouseEvent.CLICK,handleEvent);
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    regards,
    saran r

    hi,
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            <s:Button x="380" y="48" label="I" height="43" width="44" fontSize="24" fontWeight="bold" click="keyboard_clickHandler(event)" label.PRIMARY="i"/>
            <s:Button x="424" y="48" label="O" height="43" width="44" fontSize="24" fontWeight="bold" click="keyboard_clickHandler(event)" label.PRIMARY="o"/>
            <s:Button x="468" y="48" label="P" height="43" width="44" fontSize="24" fontWeight="bold" click="keyboard_clickHandler(event)" label.PRIMARY="p"/>
            <s:Button x="512" y="48" label="{" height="43" width="44" fontSize="24" fontWeight="bold" click="keyboard_clickHandler(event)" label.PRIMARY="["/>
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            <s:Button x="5" y="91" label="CapsLock" height="43" width="80" fontSize="12" fontWeight="bold" click="caps_clickHandler(event)"/>
            <s:Button x="85" y="91" label="A" height="43" width="44" fontSize="24" fontWeight="bold" click="keyboard_clickHandler(event)" label.PRIMARY="a"/>
            <s:Button x="129" y="91" label="S" height="43" width="44" fontSize="24" fontWeight="bold" click="keyboard_clickHandler(event)" label.PRIMARY="s"/>
            <s:Button x="173" y="91" label="D" height="43" width="44" fontSize="24" fontWeight="bold" click="keyboard_clickHandler(event)" label.PRIMARY="d"/>
            <s:Button x="217" y="91" label="F" height="43" width="44" fontSize="24" fontWeight="bold" click="keyboard_clickHandler(event)" label.PRIMARY="f"/>
            <s:Button x="261" y="91" label="G" height="43" width="44" fontSize="24" fontWeight="bold" click="keyboard_clickHandler(event)" label.PRIMARY="g"/>
            <s:Button x="305" y="91" label="H" height="43" width="44" fontSize="24" fontWeight="bold" click="keyboard_clickHandler(event)" label.PRIMARY="h"/>
            <s:Button x="349" y="91" label="J" height="43" width="44" fontSize="24" fontWeight="bold" click="keyboard_clickHandler(event)" label.PRIMARY="j"/>
            <s:Button x="393" y="91" label="K" height="43" width="44" fontSize="24" fontWeight="bold" click="keyboard_clickHandler(event)" label.PRIMARY="k"/>
            <s:Button x="437" y="91" label="L" height="43" width="44" fontSize="24" fontWeight="bold" click="keyboard_clickHandler(event)" label.PRIMARY="l"/>
            <s:Button x="481" y="91" label=":" height="43" width="44" fontSize="24" fontWeight="bold" click="keyboard_clickHandler(event)" label.PRIMARY=";"/>
            <s:Button x="525" y="91" label="&quot;" height="43" width="44" fontSize="24" fontWeight="bold" click="keyboard_clickHandler(event)" label.PRIMARY="'"/>
            <s:Button x="569" y="91" label="Enter" height="43" width="88" fontSize="24" fontWeight="bold" click="enter_clickHandler(event)"/>
            <s:Button x="5" y="134" label="Shift" height="43" width="106" fontSize="24" fontWeight="bold" click="shift_clickHandler(event)"/>
            <s:Button x="111" y="134" label="Z" height="43" width="44" fontSize="24" fontWeight="bold" click="keyboard_clickHandler(event)" label.PRIMARY="z"/>
            <s:Button x="155" y="134" label="X" height="43" width="44" fontSize="24" fontWeight="bold" click="keyboard_clickHandler(event)" label.PRIMARY="x"/>
            <s:Button x="199" y="134" label="C" height="43" width="44" fontSize="24" fontWeight="bold" click="keyboard_clickHandler(event)" label.PRIMARY="c"/>
            <s:Button x="243" y="134" label="V" height="43" width="44" fontSize="24" fontWeight="bold" click="keyboard_clickHandler(event)" label.PRIMARY="v"/>
            <s:Button x="287" y="134" label="B" height="43" width="44" fontSize="24" fontWeight="bold" click="keyboard_clickHandler(event)" label.PRIMARY="b"/>
            <s:Button x="331" y="134" label="N" height="43" width="44" fontSize="24" fontWeight="bold" click="keyboard_clickHandler(event)" label.PRIMARY="n"/>
            <s:Button x="375" y="134" label="M" height="43" width="44" fontSize="24" fontWeight="bold" click="keyboard_clickHandler(event)" label.PRIMARY="m"/>
            <s:Button x="419" y="134" label="&lt;" height="43" width="44" fontSize="24" fontWeight="bold" click="keyboard_clickHandler(event)" label.PRIMARY=","/>
            <s:Button x="463" y="134" label="&gt;" height="43" width="44" fontSize="24" fontWeight="bold" click="keyboard_clickHandler(event)" label.PRIMARY="."/>
            <s:Button x="507" y="134" label="?" height="43" width="44" fontSize="24" fontWeight="bold" click="keyboard_clickHandler(event)" label.PRIMARY="/"/>
            <s:Button x="551" y="134" label="Shift" height="43" width="106" fontSize="24" fontWeight="bold" click="shift_clickHandler(event)"/>
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    Here is one way:
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    HTH,

  • How to use virtual keyboard in flex application

    hi..
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    saran r

    hi,
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    virtualkeypad1.mxml
    <?xml  version="1.0" encoding="utf-8"?>
    <s:Application xmlns:fx="http://ns.adobe.com/mxml/2009"
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                 import flash.utils.getQualifiedSuperclassName;
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                 private var shiftState:Boolean = false;
                 private var capsState:Boolean = false;
                 protected function  keyboard_clickHandler(event:MouseEvent):void
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                     if (shiftState == true) shift_clickHandler(null);
                 protected function caps_clickHandler(event:MouseEvent):void
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                 protected function tab_clickHandler(event:MouseEvent):void
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                 protected function shift_clickHandler(event:MouseEvent):void
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                     if (shiftState == true)
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                 protected function enter_clickHandler(event:MouseEvent):void
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                 protected function  backspace_clickHandler(event:MouseEvent):void
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                     this[inpText].text = tmpStr.substr(0,tmpStr.length-1);
                 protected function  application1_creationCompleteHandler(event:FlexEvent):void
                     inp1.setFocus();               
                 protected function focus_enterHandler(event:MouseEvent):void
                     inpText = event.currentTarget.id;
             ]]>
         </fx:Script>
         <s:states>
             <s:State name="PRIMARY"/>
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         <fx:Declarations>
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             <s:Button x="49" y="5" label="!" height="43" width="44"  fontSize="24" fontWeight="bold" click="keyboard_clickHandler(event)"  label.PRIMARY="1"/>
             <s:Button x="93" y="5" label="@" height="43" width="44"  fontSize="24" fontWeight="bold" click="keyboard_clickHandler(event)"  label.PRIMARY="2"/>
             <s:Button x="137" y="5" label="#" height="43" width="44"  fontSize="24" fontWeight="bold" click="keyboard_clickHandler(event)"  label.PRIMARY="3"/>
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             <s:Button x="269" y="5" label="^" height="43" width="44"  fontSize="24" fontWeight="bold" click="keyboard_clickHandler(event)"  label.PRIMARY="6"/>
             <s:Button x="313" y="5" label="&amp;" height="43"  width="44" fontSize="24" fontWeight="bold"  click="keyboard_clickHandler(event)" label.PRIMARY="7"/>
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             <s:Button x="489" y="5" label="_" height="43" width="44"  fontSize="24" fontWeight="bold" click="keyboard_clickHandler(event)"  label.PRIMARY="-"/>
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             <s:Button x="577" y="5" label="Backspace" height="43"  width="80" fontSize="11" fontWeight="bold"  click="backspace_clickHandler(event)"/>
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             <s:Button x="72" y="48" label="Q" height="43" width="44"  fontSize="24" fontWeight="bold" click="keyboard_clickHandler(event)"  label.PRIMARY="q"/>
             <s:Button x="116" y="48" label="W" height="43" width="44"  fontSize="24" fontWeight="bold" click="keyboard_clickHandler(event)"  label.PRIMARY="w"/>
             <s:Button x="160" y="48" label="E" height="43" width="44"  fontSize="24" fontWeight="bold" click="keyboard_clickHandler(event)"  label.PRIMARY="e"/>
             <s:Button x="204" y="48" label="R" height="43" width="44"  fontSize="24" fontWeight="bold" click="keyboard_clickHandler(event)"  label.PRIMARY="r"/>
             <s:Button x="248" y="48" label="T" height="43" width="44"  fontSize="24" fontWeight="bold" click="keyboard_clickHandler(event)"  label.PRIMARY="t"/>
             <s:Button x="292" y="48" label="Y" height="43" width="44"  fontSize="24" fontWeight="bold" click="keyboard_clickHandler(event)"  label.PRIMARY="y"/>
             <s:Button x="336" y="48" label="U" height="43" width="44"  fontSize="24" fontWeight="bold" click="keyboard_clickHandler(event)"  label.PRIMARY="u"/>
             <s:Button x="380" y="48" label="I" height="43" width="44"  fontSize="24" fontWeight="bold" click="keyboard_clickHandler(event)"  label.PRIMARY="i"/>
             <s:Button x="424" y="48" label="O" height="43" width="44"  fontSize="24" fontWeight="bold" click="keyboard_clickHandler(event)"  label.PRIMARY="o"/>
             <s:Button x="468" y="48" label="P" height="43" width="44"  fontSize="24" fontWeight="bold" click="keyboard_clickHandler(event)"  label.PRIMARY="p"/>
             <s:Button x="512" y="48" label="{" height="43" width="44"  fontSize="24" fontWeight="bold" click="keyboard_clickHandler(event)"  label.PRIMARY="["/>
             <s:Button x="556" y="48" label="}" height="43" width="44"  fontSize="24" fontWeight="bold" click="keyboard_clickHandler(event)"  label.PRIMARY="]"/>
             <s:Button x="600" y="48" label="|" height="43" width="57"  fontSize="24" fontWeight="bold" click="keyboard_clickHandler(event)"  label.PRIMARY="\"/>
             <s:Button x="5" y="91" label="CapsLock" height="43"  width="80" fontSize="12" fontWeight="bold"  click="caps_clickHandler(event)"/>
             <s:Button x="85" y="91" label="A" height="43" width="44"  fontSize="24" fontWeight="bold" click="keyboard_clickHandler(event)"  label.PRIMARY="a"/>
             <s:Button x="129" y="91" label="S" height="43" width="44"  fontSize="24" fontWeight="bold" click="keyboard_clickHandler(event)"  label.PRIMARY="s"/>
             <s:Button x="173" y="91" label="D" height="43" width="44"  fontSize="24" fontWeight="bold" click="keyboard_clickHandler(event)"  label.PRIMARY="d"/>
             <s:Button x="217" y="91" label="F" height="43" width="44"  fontSize="24" fontWeight="bold" click="keyboard_clickHandler(event)"  label.PRIMARY="f"/>
             <s:Button x="261" y="91" label="G" height="43" width="44"  fontSize="24" fontWeight="bold" click="keyboard_clickHandler(event)"  label.PRIMARY="g"/>
             <s:Button x="305" y="91" label="H" height="43" width="44"  fontSize="24" fontWeight="bold" click="keyboard_clickHandler(event)"  label.PRIMARY="h"/>
             <s:Button x="349" y="91" label="J" height="43" width="44"  fontSize="24" fontWeight="bold" click="keyboard_clickHandler(event)"  label.PRIMARY="j"/>
             <s:Button x="393" y="91" label="K" height="43" width="44"  fontSize="24" fontWeight="bold" click="keyboard_clickHandler(event)"  label.PRIMARY="k"/>
             <s:Button x="437" y="91" label="L" height="43" width="44"  fontSize="24" fontWeight="bold" click="keyboard_clickHandler(event)"  label.PRIMARY="l"/>
             <s:Button x="481" y="91" label=":" height="43" width="44"  fontSize="24" fontWeight="bold" click="keyboard_clickHandler(event)"  label.PRIMARY=";"/>
             <s:Button x="525" y="91" label="&quot;" height="43"  width="44" fontSize="24" fontWeight="bold"  click="keyboard_clickHandler(event)" label.PRIMARY="'"/>
             <s:Button x="569" y="91" label="Enter" height="43" width="88"  fontSize="24" fontWeight="bold" click="enter_clickHandler(event)"/>
             <s:Button x="5" y="134" label="Shift" height="43" width="106"  fontSize="24" fontWeight="bold" click="shift_clickHandler(event)"/>
             <s:Button x="111" y="134" label="Z" height="43" width="44"  fontSize="24" fontWeight="bold" click="keyboard_clickHandler(event)"  label.PRIMARY="z"/>
             <s:Button x="155" y="134" label="X" height="43" width="44"  fontSize="24" fontWeight="bold" click="keyboard_clickHandler(event)"  label.PRIMARY="x"/>
             <s:Button x="199" y="134" label="C" height="43" width="44"  fontSize="24" fontWeight="bold" click="keyboard_clickHandler(event)"  label.PRIMARY="c"/>
             <s:Button x="243" y="134" label="V" height="43" width="44"  fontSize="24" fontWeight="bold" click="keyboard_clickHandler(event)"  label.PRIMARY="v"/>
             <s:Button x="287" y="134" label="B" height="43" width="44"  fontSize="24" fontWeight="bold" click="keyboard_clickHandler(event)"  label.PRIMARY="b"/>
             <s:Button x="331" y="134" label="N" height="43" width="44"  fontSize="24" fontWeight="bold" click="keyboard_clickHandler(event)"  label.PRIMARY="n"/>
             <s:Button x="375" y="134" label="M" height="43" width="44"  fontSize="24" fontWeight="bold" click="keyboard_clickHandler(event)"  label.PRIMARY="m"/>
             <s:Button x="419" y="134" label="&lt;" height="43"  width="44" fontSize="24" fontWeight="bold"  click="keyboard_clickHandler(event)" label.PRIMARY=","/>
             <s:Button x="463" y="134" label="&gt;" height="43"  width="44" fontSize="24" fontWeight="bold"  click="keyboard_clickHandler(event)" label.PRIMARY="."/>
             <s:Button x="507" y="134" label="?" height="43" width="44"  fontSize="24" fontWeight="bold" click="keyboard_clickHandler(event)"  label.PRIMARY="/"/>
             <s:Button x="551" y="134" label="Shift" height="43"  width="106" fontSize="24" fontWeight="bold"  click="shift_clickHandler(event)"/>
         </s:Group>
    </s:Application>
    thanks in  advance,
    saran r

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              > in tomcat everything works fine. What do I need to do special for
              weblogic?
              >
              > ERROR FROM WEBLOGIC
              >
              > /control/register/newMember.jsp(1): Error in using tag library
              uri='http://jakarta.apache.org/taglibs/random-1.0'
              > prefix='randME': For tag 'string', cannot load extra info class
              'org.apache.taglibs.random.RandomStrgTEI'
              > probably occurred due to an error in /control/register/newMember.jsp line
              1:
              > <%@ taglib uri="http://jakarta.apache.org/taglibs/random-1.0"
              prefix="randME"
              > %>
              >
              > taglibs-random.jar is in WEB-INF/lib
              > random.tld is in WEB-INF
              >
              > the taglib include in my jsp looks like this:
              > <%@ taglib uri="http://jakarta.apache.org/taglibs/random-1.0"
              prefix="randME"
              > %>
              >
              > the call in my jsp looks like this:
              > <randME:number id="random1" range="10000000-99999999"/>
              >
              > my web.xml looks like this:
              > <taglib>
              > <taglib-uri>http://jakarta.apache.org/taglibs/random-1.0</taglib-uri>
              > <taglib-location>/WEB-INF/random.tld</taglib-location>
              > </taglib>
              >
              > any help would be appreciated
              

  • Error in using tag library uri='weblogic.tld'

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    Hmmm...
    I'm trying to config my userprofile by creating it in the tools application (myserver/tools/index.jsp),
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    Server Error in my webbrowser. The weblogic.log prints out an errormessage that
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    weblogic.servlet.jsp.JspException: (line 24): Error in using tag library uri='weblogic.tld'
    prefix='wl': For tag 'repeat', cannot load extra info class 'weblogicx.jsp.tags.RepeatTagInfo'
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