From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from lists.gentoo.org ([140.105.134.102] helo=robin.gentoo.org) by nuthatch.gentoo.org with esmtp (Exim 4.60) (envelope-from ) id 1GI3Dr-0003Xl-BA for garchives@archives.gentoo.org; Tue, 29 Aug 2006 13:01:43 +0000 Received: from robin.gentoo.org (localhost [127.0.0.1]) by robin.gentoo.org (8.13.7/8.13.6) with SMTP id k7TCx9wv025117; Tue, 29 Aug 2006 12:59:09 GMT Received: from mail.netspace.net.au (whirlwind.netspace.net.au [203.10.110.76]) by robin.gentoo.org (8.13.7/8.13.6) with ESMTP id k7TCtl2b011003 for ; Tue, 29 Aug 2006 12:55:48 GMT Received: from orpheus (dsl-203-113-239-189.SA.netspace.net.au [203.113.239.189]) by mail.netspace.net.au (Postfix) with ESMTP id 5D093131890 for ; Tue, 29 Aug 2006 22:55:44 +1000 (EST) Subject: Re: [gentoo-user] tweaking mencoder From: Iain Buchanan To: gentoo-user@lists.gentoo.org In-Reply-To: <1156768772.27666.20.camel@orpheus> References: <1155247592.21041.9.camel@orpheus> <200608110821.27162.uwix@iway.na> <1156768772.27666.20.camel@orpheus> Content-Type: text/plain Date: Tue, 29 Aug 2006 22:25:08 +0930 Message-Id: <1156856108.32349.3.camel@orpheus> Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-Id: Gentoo Linux mail X-BeenThere: gentoo-user@gentoo.org Reply-to: gentoo-user@lists.gentoo.org Mime-Version: 1.0 X-Mailer: Evolution 2.6.2 Content-Transfer-Encoding: 7bit X-Archives-Salt: b96c79ee-af13-412b-9039-e0167e96ae35 X-Archives-Hash: f52db074f369b62302f4459a37d077ce On Mon, 2006-08-28 at 22:09 +0930, Iain Buchanan wrote: > On Fri, 2006-08-11 at 08:21 +0100, Uwe Thiem wrote: > > On 10 August 2006 23:06, Iain Buchanan wrote: > > > Hi all, > > > > > > I'm trying out mencoder to try a few different codecs and formats for 1. > > > dvd authoring and 2. just compressing to keep on my HD. > > > > For DVDs, try this: > > > > mencoder -oac lavc -ovc lavc -of mpeg -mpegopts format=dvd \ > > -vf scale=720:576,harddup -srate 48000 -af lavcresample=48000 \ > > -lavcopts vcodec=mpeg2video:vrc_buf_size=1835:vrc_maxrate=9800:\ > > vbitrate=5000:keyint=15:acodec=ac3:abitrate=192:aspect=4/3 \ > > -ofps 25 -o outfile.mpeg infile > > wow! I just got around to trying that a couple of days ago and it > produces great output: fast, small file size, and no noticeable > difference in quality between the mpeg and the original dv! (I watched > many different clips many times over to make sure! on TV and on my LCD) Hmm, on closer inspection, I _do_ notice the output is slightly lower quality. (Don't know why I didn't see it before...) Is there any way I can tweak the quality? Can I change vbitrate, or is 5000 a dvd standard? thanks heaps! -- Iain Buchanan We were so poor we couldn't afford a watchdog. If we heard a noise at night, we'd bark ourselves. -- Crazy Jimmy -- gentoo-user@gentoo.org mailing list