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 mAS839No021739 for ; Fri, 28 Nov 2008 03:03:09 -0500 Received: from web39708.mail.mud.yahoo.com (web39708.mail.mud.yahoo.com [209.191.106.54]) by mx3.redhat.com (8.13.8/8.13.8) with SMTP id mAS82uCx008088 for ; Fri, 28 Nov 2008 03:02:56 -0500 Date: Fri, 28 Nov 2008 00:02:55 -0800 (PST) From: wei kin To: video4linux-list@redhat.com MIME-Version: 1.0 Message-ID: <82224.60450.qm@web39708.mail.mud.yahoo.com> Content-Type: text/plain; charset=us-ascii Subject: Unable to achieve 30fps using 'read()' in C Reply-To: kin2031@yahoo.com 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: Hi all, I am new in v4l programming. What I did in my code is I used 'read( )' in C programming to read images from my Logitech Quickcam Express. My problem is I can't get 30frames per second, what I got is just 5fps when I loop and read for 200times. Do anyone know why is it under performance? Thanks Rgds, nik2031 -- video4linux-list mailing list Unsubscribe mailto:video4linux-list-request@redhat.com?subject=unsubscribe https://www.redhat.com/mailman/listinfo/video4linux-list