ADC Home > Reference Library > Technical Q&As > QuickTime > Movie Basics >
|
Q:
I'm using QuickTime to draw movie frames into an offscreen
buffer, at which point I draw my own graphics over them and
blit them to the screen. I want to change my code so I instead
draw to the window's back buffer on Mac OS X rather than
to an offscreen. Can I use A:
You can use the
On Mac OS X, QuickTime will avoid the back buffer if it can (instead going through hardware acceleration) which means that you can't then draw "on top" of the video. This is also true on Mac OS 9. [Jun 26 2001] |