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Old 12-12-2003, 09:56 AM   #1
LQ Newbie
Registered: Dec 2003
Posts: 7

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BTTV and V4L2, what's different ?


I'm little bit confused with BTTV and V4L2. I don't understand what's
different ?.
BTTV is dead now and V4L2 is the next generation driver for a TV, a frame
grabber, and so on. Is this correct ?
If so, then I have to use V4L2 from now on when developing an application
that displays video imagery on my Linux machine.

One more question.
I think If I use V4L2 along with XVideo, then I can directly transfer video
image to a grphics card without any action by a CPU.
If this is correct, Can I write texts or draw lines on the video image directly
transferred to the graphic card from a frame grabber ?

I'm new in this video related job on Linux. So, please help me out...



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