On Apr 10, 2008, at 5:24 AM, Xin wrote:
First, sorry for my english, I'm a catalan.
Well, I'm a newbee in Mac and Cocoa and I have tried to make an
application for capture an image of web. It's all ok. My app work
correctly, except when I capture a module of vídeo. In this cases
the result is wrongly. How you can see in this image of a video in
youtube.com:
- http://img238.imageshack.us/img238/5626/capturaxq0.png
The static page is correctly captured, but the video in youtube no.
Do you know what is the problem?
Video (Quicktime, Flash, etc.) is usually done directly on a graphics
card texture for efficiency, and thus you can't capture it this way.
You may have to resort to the Carbon-level window manager calls, which
read back from the window server (see Son of Grab sample under 10.5).
Cheers!
--Chris Ryland / Em Software, Inc. / www.emsoftware.com
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