Re: Alpha Channel in real time
Re: Alpha Channel in real time
- Subject: Re: Alpha Channel in real time
- From: "Douglas A. Welton" <email@hidden>
- Date: Thu, 16 Sep 2004 18:42:00 -0400
Lorenzo,
I suggest you take a look at three pieces of the QuickTime documentation:
Sequence Grabbers, Component Output, and Video Effects.
Have fun...
- douglas
on 9/16/04 4:39 PM, Lorenzo at email@hidden wrote:
> Hi,
> I have a basic question.
> I have just built an application which makes real-time graphics for TV.
> Now I would like to know how my graphics could be get out and put over a
> real time TV signal using the alpha channel. I mean, my software should be
> used in a TV direction room, and my graphic should go over the current
> signal on air, in real time. Do I need a special video-card, or special
> harware?
>
> My hope is that I can use a background window color with alpha = 1 so I can
> see only the animation and not the background. Then, I don't know anything
> else. Any help?
>
>
>
> Best Regards
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