From owner-freebsd-questions@freebsd.org Mon Oct 31 21:05:18 2016 Return-Path: Delivered-To: freebsd-questions@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 71A68C28850 for ; Mon, 31 Oct 2016 21:05:18 +0000 (UTC) (envelope-from sm@ara-ler.com) Received: from mailman.ysv.freebsd.org (mailman.ysv.freebsd.org [IPv6:2001:1900:2254:206a::50:5]) by mx1.freebsd.org (Postfix) with ESMTP id 4F88A1022 for ; Mon, 31 Oct 2016 21:05:18 +0000 (UTC) (envelope-from sm@ara-ler.com) Received: by mailman.ysv.freebsd.org (Postfix) id 4ED77C2884F; Mon, 31 Oct 2016 21:05:18 +0000 (UTC) Delivered-To: questions@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 4E79DC2884E for ; Mon, 31 Oct 2016 21:05:18 +0000 (UTC) (envelope-from sm@ara-ler.com) Received: from mail-yw0-x22e.google.com (mail-yw0-x22e.google.com [IPv6:2607:f8b0:4002:c05::22e]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 1DE2B1021 for ; Mon, 31 Oct 2016 21:05:18 +0000 (UTC) (envelope-from sm@ara-ler.com) Received: by mail-yw0-x22e.google.com with SMTP id h14so157964107ywa.2 for ; Mon, 31 Oct 2016 14:05:18 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ara-ler-com.20150623.gappssmtp.com; s=20150623; h=date:from:to:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=l+Gox9Suz3qfmKKzapLc+i6EltC2ppSrAlZoOKwtgks=; b=smg9ER4DxEHzrw30Q+clbThklRprUAZaR+COtMnosa8gd976fj2R14iv2adn9SNbW4 t6rdpP9h3CMea4OZ0YX8KC9USIUAvwux/sYiXoyR/oxCKprTuf6O1dp3H9a/Qfx6PR5X NSZVHIXPmZUm+bTaQFz79eQas+H8N7/58OjEleKm5r15TLj4goqqGCSfiIdGw0IbX/6c y457+5PGsIkPP2q6+eoq2h2DE6xYLqVfiaNpN9MjmmpXAJwDwKlbs1qSPRMJsaRL5u9r HYrfdgJq+XDYfOFsZX1FrO8odJe3ob9iszynBCjlu2aClCADFScqe9KLycyOhg1Olj02 A7VQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:date:from:to:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=l+Gox9Suz3qfmKKzapLc+i6EltC2ppSrAlZoOKwtgks=; b=YQ9JrD6pbx/K1Ur6zqexdzi9TuTrCUqnJ4x8DC27L3GqMBBj9kTi/98mTt5OIkgZqP D8P69eR/+94CbYyL9JwvWZFgWlDMTJtkwoYR7e//vnMH57PJF3/3dKIk6qs1iihiF71h qTuILHLMOdklhx3FefGDLdSRnQJcd/M5Mhbno4oUP1n/08sxgbPoMOYDdBvCIeep563j gh8LGW91EC3oePPIWe33TpGe2MML2g1x7rQdP7r0jpGPyh6mue6xh3lJIpwjb6zs/cIs mJcIrJNiBjuVPoEnG0lwa3ztClaPd+l82ReUp9N+mZ+tDRyRsKn9DQQ4gTMzXYwXKSmc J7Lw== X-Gm-Message-State: ABUngvcoMbMN/qvGvOa2fQBHITr/8N3biNtCM+DVPLefk/Ufdm1WJvT4dT4yRcHcSDT+Mw== X-Received: by 10.36.146.84 with SMTP id l81mr8929291itd.37.1477947917032; Mon, 31 Oct 2016 14:05:17 -0700 (PDT) Received: from debian.ara-ler.com (50-243-135-133-static.hfc.comcastbusiness.net. [50.243.135.133]) by smtp.gmail.com with ESMTPSA id m12sm11084497iod.19.2016.10.31.14.05.15 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 31 Oct 2016 14:05:16 -0700 (PDT) Date: Mon, 31 Oct 2016 15:05:15 -0600 From: Sergey Manucharian To: questions@freebsd.org, Olivier Subject: Re: mencoder for a webcam Message-ID: <20161031210514.GC12154@debian.ara-ler.com> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.23 (2014-03-12) X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 31 Oct 2016 21:05:18 -0000 Excerpts from Olivier's message from Wed 05-Oct-16 16:05: > I used to have it working, but I cannot find how to get that working > again: > > I have a webcam installed, webcamd running, and pwcview can show me the > video. > > How can I use mencoder to capture and save the stream? > > I used to have something of the form: > > /usr/local/bin/mencoder tv:// -tv noaudio:fps=10 -nosound -ovc lavc > -ofps 10 -lavcopts vcodec=mpeg4:vbitrate=400 -o -really-quiet Have you tried ffmpeg instead? I used to use mencoder much, but after having many issues with it, switched to ffmpeg. This example works fine for me: $ ffmpeg -f v4l2 -framerate 25 -video_size 640x480 -i /dev/video0 output.mkv -- Sergey