From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mx3.redhat.com (mx3.redhat.com [172.16.48.32]) by int-mx1.corp.redhat.com (8.13.1/8.13.1) with ESMTP id n7G0iGWL001179 for ; Sat, 15 Aug 2009 20:44:16 -0400 Received: from mail-yx0-f202.google.com (mail-yx0-f202.google.com [209.85.210.202]) by mx3.redhat.com (8.13.8/8.13.8) with ESMTP id n7G0hwNO032492 for ; Sat, 15 Aug 2009 20:43:58 -0400 Received: by yxe40 with SMTP id 40so3066140yxe.23 for ; Sat, 15 Aug 2009 17:43:58 -0700 (PDT) From: Maxim Levitsky To: Haavard Holm In-Reply-To: <4A872D3F.6020003@ntnu.no> References: <4A872D3F.6020003@ntnu.no> Content-Type: text/plain; charset="UTF-8" Date: Sun, 16 Aug 2009 03:43:52 +0300 Message-Id: <1250383433.28382.2.camel@localhost.localdomain> Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Cc: video4linux-list@redhat.com Subject: Re: Varying frame rate List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: video4linux-list-bounces@redhat.com Errors-To: video4linux-list-bounces@redhat.com List-ID: 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