From: Maxim Levitsky <maximlevitsky@gmail.com>
To: Haavard Holm <haavard.holm@ntnu.no>
Cc: video4linux-list@redhat.com
Subject: Re: Varying frame rate
Date: Sun, 16 Aug 2009 03:43:52 +0300 [thread overview]
Message-ID: <1250383433.28382.2.camel@localhost.localdomain> (raw)
In-Reply-To: <4A872D3F.6020003@ntnu.no>
On Sat, 2009-08-15 at 23:48 +0200, Haavard Holm wrote:
> Hello,
>
> I am writing an application that capture video/pictures from a webcam.
> My program is built on moinejf.free.fr/*svv*.*c*
> which again is built on v4l2spec.bytesex.org/v4l2spec/*capture*.*c*
>
> OS is linux 2.6.29.6-217.2.3.fc11.x86_64
> Webcam is "Logitech Quickcam Pro for Notebooks" (046d:0991)
>
> My obeservation is : Depending on what my camera focus on, the framerate
> varies from 5 to 15 fps. I have tried several times, same result.
>
> Why is that. How can I avoid this ?
I have observed similar issues with uvc camera on my aspire one (low
frame rate while the illumination is low)
Probably this is a hardware issue, and maybe there is a control to turn
this off.
Best regards,
Maxim Levitsky
>
> Best regards
>
> Håvard Holm
>
> --
> video4linux-list mailing list
> Unsubscribe mailto:video4linux-list-request@redhat.com?subject=unsubscribe
> https://www.redhat.com/mailman/listinfo/video4linux-list
--
video4linux-list mailing list
Unsubscribe mailto:video4linux-list-request@redhat.com?subject=unsubscribe
https://www.redhat.com/mailman/listinfo/video4linux-list
next prev parent reply other threads:[~2009-08-16 0:44 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-08-15 21:48 Varying frame rate Haavard Holm
2009-08-16 0:43 ` Maxim Levitsky [this message]
2009-08-16 6:03 ` Jean-Francois Moine
2009-08-16 6:09 ` Maxim Levitsky
2009-08-16 8:35 ` Haavard Holm
2009-08-16 9:09 ` Jean-Francois Moine
2009-08-17 13:52 ` RE : " Jonathan Lafontaine
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1250383433.28382.2.camel@localhost.localdomain \
--to=maximlevitsky@gmail.com \
--cc=haavard.holm@ntnu.no \
--cc=video4linux-list@redhat.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox