From owner-freebsd-multimedia Tue Jan 2 9:26:10 2001 From owner-freebsd-multimedia@FreeBSD.ORG Tue Jan 2 09:26:08 2001 Return-Path: Delivered-To: freebsd-multimedia@freebsd.org Received: from gilberto.physik.rwth-aachen.de (gilberto.physik.rwth-aachen.de [137.226.30.2]) by hub.freebsd.org (Postfix) with ESMTP id 76DD537B402 for ; Tue, 2 Jan 2001 09:26:05 -0800 (PST) Received: (from kuku@localhost) by gilberto.physik.rwth-aachen.de (8.9.3/8.9.3) id SAA39198; Tue, 2 Jan 2001 18:26:00 +0100 (CET) (envelope-from kuku) Date: Tue, 2 Jan 2001 18:24:40 +0100 From: Christoph Kukulies To: Orion Hodson Cc: freebsd-multimedia@freebsd.org Subject: Re: mpg123 or other tool - advice sought Message-ID: <20010102182440.A39148@gil.physik.rwth-aachen.de> References: <200101021546.QAA38666@gilberto.physik.rwth-aachen.de> <200101021626.RAA38852@gilberto.physik.rwth-aachen.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Mailer: Mutt 1.0i In-Reply-To: <200101021626.RAA38852@gilberto.physik.rwth-aachen.de>; from O.Hodson@cs.ucl.ac.uk on Tue, Jan 02, 2001 at 04:26:59PM +0000 Sender: owner-freebsd-multimedia@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org On Tue, Jan 02, 2001 at 04:26:59PM +0000, Orion Hodson wrote: > <200101021546.QAA38666@gilberto.physik.rwth-aachen.de>Christoph Kukulies writes > : > > > > I want to start writing some code that reads an mp3 file > > and does some processing on the data? (Fourier transform, filtering etc.) > > > > I thought starting out with the source of mpg123 but found some > > precompiled files in the distribution. > > > > Any comments? > > > > Other suggestions? > > It might be easier and more useful to operate on sample streams / > files, i.e. mpg123 will write to stdout and you could pipe this into > whatever filters,transform programs you care to write. Actually I'd prefer to rewind or set the filepointer back and forth in the .mp3 file rather than piping through stdin/out. But thanks nonetheless for the idea. OTOH it would easify things in other areas (like decoding etc.) > > $0.02 > - Orion > -- Chris Christoph P. U. Kukulies kuku@gil.physik.rwth-aachen.de To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-multimedia" in the body of the message