LinuxQuestions.org
Latest LQ Deal: Latest LQ Deals
Go Back   LinuxQuestions.org > Forums > Linux Forums > Linux - Software
User Name
Password
Linux - Software This forum is for Software issues.
Having a problem installing a new program? Want to know which application is best for the job? Post your question in this forum.

Notices


Reply
  Search this Thread
Old 12-15-2014, 06:41 PM   #1
KansaiRobot
Member
 
Registered: Dec 2013
Location: Japan
Distribution: Debian...very few times Ubuntu
Posts: 51

Rep: Reputation: 0
V4L2 programs gives different results


Hello

I have written a program in C using V4l2 to capture images from a web camera. Actually the program does more than that. It also let's you specify the exposure value (manually) so as to get shots with different exposures.

So far so good, I tried it, it takes the photos (well sometimes select gives you a time out- as I post in another thread-but ok)

The problem is when I take a photo with the same settings on luvcview, the results- the pictures- are different . This is particularly so with extreme values for exposure (say maximum and maximum -1)

Does anybody have any experience with V4L2 programming that can comment on what could be happening here?

I suppose my last resource would be trying to find the source code for luvcview and reading it...

Thanks a lot
 
Old 12-22-2014, 02:45 AM   #2
shakti.mickey
LQ Newbie
 
Registered: May 2013
Posts: 9

Rep: Reputation: Disabled
Can u tell me a way to install virtual box offline on linux mint distro without usingvthe software package option. How to download the package file and how to install it.....
 
  


Reply


Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is Off
HTML code is Off



Similar Threads
Thread Thread Starter Forum Replies Last Post
LXer: Top Linux and open-source programs survey results LXer Syndicated Linux News 0 02-06-2013 06:42 AM
mythtv and v4l2 webcam radiodee1 Linux - Software 2 10-15-2010 08:49 AM
File searching programs not returning expected results Shadow ZERO Linux - Software 3 07-26-2007 02:35 PM
BTTV and V4L2, what's different ? jhome4u Linux - Software 0 12-12-2003 09:56 AM
bttv 0.7.90 v4l2 The Yeti Lives Linux - Newbie 0 06-11-2003 08:09 PM

LinuxQuestions.org > Forums > Linux Forums > Linux - Software

All times are GMT -5. The time now is 12:31 PM.

Main Menu
Advertisement
My LQ
Write for LQ
LinuxQuestions.org is looking for people interested in writing Editorials, Articles, Reviews, and more. If you'd like to contribute content, let us know.
Main Menu
Syndicate
RSS1  Latest Threads
RSS1  LQ News
Twitter: @linuxquestions
Open Source Consulting | Domain Registration