From owner-freebsd-questions@FreeBSD.ORG Sat Dec 6 23:17:27 2014 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id DDEF56E1 for ; Sat, 6 Dec 2014 23:17:27 +0000 (UTC) Received: from mail-la0-x22d.google.com (mail-la0-x22d.google.com [IPv6:2a00:1450:4010:c03::22d]) (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 5E7C1E63 for ; Sat, 6 Dec 2014 23:17:27 +0000 (UTC) Received: by mail-la0-f45.google.com with SMTP id gq15so2388408lab.18 for ; Sat, 06 Dec 2014 15:17:25 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=IHuNDKXqlrSHW/yJbl+ZrDpY0ZbCxxSpAO1d7GSA5RI=; b=jSEqu3yrOM8MLGS+h11k32igwrQhqTlhhlBvayz4rm7ch96t7AS8BtvaUik1Ar8dOZ wSPqZEy2dyu6pBc84ck1JT4VKjQskzQZuMXMxHKLjyB1zzLBhWJ5znzxHZaCrvgoTJHE kh+Xpuc8o2RVgjGaTGu+znCtZHIpA8JQpXl1378jztTSPtn32koXYJYdhrqyh2//IXN3 MKYeCOqBmf7N371Dp7QWe92hstLH2ly3POUztUzstWGs41Z3R7Td+lYskb2Ir1syOa4Q BptKreR5wlJ6tpi2DbGerIfnTX5D5Mhp1XWEm35gH2l9s0TwrRPQKcHeKXCTW7od8G2b 1ehw== MIME-Version: 1.0 X-Received: by 10.112.219.227 with SMTP id pr3mr9278744lbc.63.1417907845306; Sat, 06 Dec 2014 15:17:25 -0800 (PST) Received: by 10.25.215.212 with HTTP; Sat, 6 Dec 2014 15:17:25 -0800 (PST) In-Reply-To: <20141206234358.0b17f55f.freebsd@edvax.de> References: <20141206234358.0b17f55f.freebsd@edvax.de> Date: Sat, 6 Dec 2014 15:17:25 -0800 Message-ID: Subject: Re: Dropping audio in ffmpeg conversion From: Waitman Gobble To: Polytropon Content-Type: text/plain; charset=UTF-8 X-Content-Filtered-By: Mailman/MimeDel 2.1.18-1 Cc: FreeBSD Questions X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 06 Dec 2014 23:17:28 -0000 On Sat, Dec 6, 2014 at 2:43 PM, Polytropon wrote: > I'm searching for a convenient way to drop audio from > an AVI file (video and audio) upon conversion to MP4. > My tool of choice is ffmpeg, which works perfectly fine > with the default options: > > % ffmpeg -i in.avi out.mp4 > > The quality loss, the "pixelated" and "blocky" output > is what I expect, and the result file is small. I just > can't find a way to get rid of audio (which I don't > need). Reading "man ffmeg" told me about "sinks" which > "do nothing", but I'm too stupid to conclude how to use > them properly. What I want to have is a converted video > with no audio track at all (also smaller file size). > > Can ffmpeg do this, or do I have to "preprocess" the > input file with mencoder somehow? > > Does anybody know how to proceed? > > > > -- > Polytropon > Magdeburg, Germany > Happy FreeBSD user since 4.0 > Andra moi ennepe, Mousa, ... > _______________________________________________ > freebsd-questions@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-questions > To unsubscribe, send any mail to " > freebsd-questions-unsubscribe@freebsd.org" > I think it's -an switch. -- Waitman Gobble Los Altos California USA 510-830-7975