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Old 06-04-2011, 02:42 PM   #1
MODYSAMA
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Registered: Dec 2010
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Unhappy Video For Linux *** need explanation


Excuse me,
I am a beginner.
I have many inquires:

1)What is the rule of V4L in motion software for detecting images?I am in need to details in simple way of declaration,please.

2)UVC (USB video device class).. What is the meaning by saying it is a device class? I can't understand it's definition from Wikipedia.

3)Is any webcam support UVC, also supports V4L ?

Sorry for my bad.
.
Thanks in advance.

Last edited by MODYSAMA; 06-04-2011 at 05:01 PM.
 
Old 06-04-2011, 05:01 PM   #2
TB0ne
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Registered: Jul 2003
Location: Birmingham, Alabama
Distribution: SuSE, RedHat, Slack,CentOS
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Quote:
Originally Posted by MODYSAMA View Post
Excuse me,
I am a beginner. I have many inquires:
1)What is the rule of V4L in motion software for detecting images?I am in need to details in simple way of declaration,please.
As has been explained to you before:
http://www.linuxquestions.org/questi...raries-879694/
http://www.linuxquestions.org/questi...ion-sw-871546/

the 'rule' is however you set it up, and what software/libraries you're using
Quote:
2)UVC (USB video device class).. What is the meaning by saying it is a device class? I can't understand it's definition from Wikipedia.
Doesn't get much simpler than the Wikipedia entry. And as others have suggested to you in the past, have you tried Google???
Quote:
3)Is any webcam support UVC, is that mean it also support V4L ?
No idea what you mean here...
 
Old 06-04-2011, 05:15 PM   #3
MODYSAMA
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Registered: Dec 2010
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Exclamation

I got what I want from my other post and answers. I see I am asking a different questions.
Quote:
Originally Posted by TB0ne View Post
No idea what you mean here...
I mean that, Is for each webcam support UVC, have to support V4L?

Last edited by MODYSAMA; 06-04-2011 at 05:16 PM.
 
Old 06-04-2011, 06:00 PM   #4
TB0ne
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Registered: Jul 2003
Location: Birmingham, Alabama
Distribution: SuSE, RedHat, Slack,CentOS
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Rep: Reputation: 3693Reputation: 3693Reputation: 3693Reputation: 3693Reputation: 3693Reputation: 3693Reputation: 3693Reputation: 3693Reputation: 3693Reputation: 3693Reputation: 3693
Quote:
Originally Posted by MODYSAMA View Post
I got what I want from my other post and answers.I see I am asking a different questions.
No, you're not. You're asking about motion detection/image capture. The 'rules' are whatever you make it..however you set it up, is how it will work.
Quote:
I mean that, Is for each webcam support UVC, have to support V4L?
UVC is a driver for different models of webcams. It has nothing to do with V4L. Again, Google can help you.

Last edited by TB0ne; 06-04-2011 at 06:03 PM.
 
  


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