[Laszlo-user] help with LzSprite object in extensions/av/videoview

[Henry Minsky]

There is a magic resource compiled into the Laszlo swf runtime which
is a video movieclip object, with the special name "__LZvideo" . In
the source code which generates the library there is this piece of
code

            // 9.2 A definevideostream tag inside a movieClip so we
can attach video streams
            movieClip = new Script(1);  // add single frame movieClip
            export("__LZvideo", movieClip);
            video = new VideoStream(160,120);
            movieClip.getFrameAt(0).addInstance(video, 8, offScreen,
null, "__lzvideo");

So the code you refer to below is attaching that specially named
resource to the sprite. The sprite is the "runtime-dependent"
graphical object  in the laszlo runtime which is responsible for
displaying graphics and text, as well as audio and video.





On 7/23/07, Pierre Augier <pierre.augier at inrialpes.fr> wrote:
> Hi all
>
> i'm modifiing videoview, and i would like to know what does this code
> (in the init method) :
>
>
>             var mc =
> immediateparent.sprite.attachResourceToChildView("__LZvideo", this.sprite);
>             this.sprite.setMovieClip(mc);
>             this.__LZmovieClipRef = this.sprite.__LZmovieClipRef;
>
>
> does anyone have docs / knows what is a sprite ? and what are the
> __Lzvideo and __LZmovieClipRef variables/object ??? (sry i'm very new to
> "flash" programming)
>
> i've found a donc on LzSprite in the doc, but there is not so much
> details about this. I guess this byte of code is attaching a "core"
> flash video  object, but i would be happy to learn more about that.
>
> regards
>
> Pierre
>
>
>
>
>
>


-- 
Henry Minsky
Software Architect
hminsky at laszlosystems.com