From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from lists.gentoo.org (pigeon.gentoo.org [208.92.234.80]) by finch.gentoo.org (Postfix) with ESMTP id 65DE513877A for ; Sat, 6 Sep 2014 15:56:43 +0000 (UTC) Received: from pigeon.gentoo.org (localhost [127.0.0.1]) by pigeon.gentoo.org (Postfix) with SMTP id EC61AE0AB0; Sat, 6 Sep 2014 15:56:36 +0000 (UTC) Received: from mout.gmx.net (mout.gmx.net [212.227.15.18]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by pigeon.gentoo.org (Postfix) with ESMTPS id 996F3E09C9 for ; Sat, 6 Sep 2014 15:56:35 +0000 (UTC) Received: from localhost ([84.133.162.96]) by mail.gmx.com (mrgmx001) with ESMTPSA (Nemesis) id 0Lug4m-1YQ3wA0Y9g-00zrcG for ; Sat, 06 Sep 2014 17:56:34 +0200 Date: Sat, 6 Sep 2014 17:56:33 +0200 From: meino.cramer@gmx.de To: gentoo-user@lists.gentoo.org Subject: Re: [gentoo-user] OT: In search of a hint/ides: Loop recording of a webcam Message-ID: <20140906155633.GB3822@solfire> References: <20140906125933.GA3822@solfire> <20140906154810.602d4cf3@digimed.co.uk> Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-Id: Gentoo Linux mail X-BeenThere: gentoo-user@lists.gentoo.org Reply-to: gentoo-user@lists.gentoo.org MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140906154810.602d4cf3@digimed.co.uk> User-Agent: mutt-ng/devel-r804 (Linux) X-Provags-ID: V03:K0:MFicTiXom5YCCThFKxoaCa05wxeH8fuKQPIAQP30wDSb4f26P3Q m0UX09dH7V+OZtBHxaUC0HEbM5MkymBRFjjdo1CiL8WmRIb6D5Oao8oh6d9lZg6X1o7neet v3qUM63yx3PkZnBwZHQrQUW5ZWv1Wuw+wvlu6fodMfxRAoS9sEJ7IG6Gtw3EUM2XJRL4yyR l8zazxiZTeJlm9PREK4Vg== X-UI-Out-Filterresults: notjunk:1; X-Archives-Salt: c3059087-5d52-47d4-93c3-ea85f28f38fb X-Archives-Hash: 6aa385e352e34d4e1f66672d0ab80fbe Hi Neil, Thanks for reply! :) As mentioned motion detection software is not appropiate for this, since it detects motion ... that is: The bird/s are already "in sight"...add the reaction time between "bird is there" and "motion detection has recognized that there is a bird" and all the false alarms if a bee is flying through the video or a distant bird flies through but does not land etc... I will try the tee-trick (by the way I like tea... ;) and see, what happens. Thanks again for your help! Have a nice weekend! Best regards, mcc Neil Bothwick [14-09-06 16:52]: > On Sat, 6 Sep 2014 14:59:34 +0200, meino.cramer@gmx.de wrote: > > > I already have a script hacked together with a gst-launch command, > > which is able to fetch the Full HD hardware encoded stream from > > the C920 and put it on the harddisk. > > > > But I failed in creating a script which allows me to simultanously > > watch the material which gets recorded just in the same moment. > > > > Is there any software or script or > > which does this loop recording as described above AND is able to pull > > the Full HD stream correctly from the C920? > > Have your script send the video stream to stdout and pipe it through tee, > which will both send it to a file and back to stdout, where your video > player is listening. > > Have you actually tried using motion detection software? I don't know how > powerful your system is, but I have motion processing three SD > streams simultaneously with no significant CPU usage. > > > -- > Neil Bothwick > > Always remember you're unique, just like everyone else.