Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756688AbXIRXBy (ORCPT ); Tue, 18 Sep 2007 19:01:54 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752125AbXIRXBr (ORCPT ); Tue, 18 Sep 2007 19:01:47 -0400 Received: from mx1.redhat.com ([66.187.233.31]:36100 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751990AbXIRXBq (ORCPT ); Tue, 18 Sep 2007 19:01:46 -0400 Date: Tue, 18 Sep 2007 19:00:58 -0400 From: Alan Cox To: Mauro Carvalho Chehab Cc: Jelle Foks , "video4linux-list@redhat.com" , "linux-kernel@vger.kernel.org" , Alan Cox , "akpm@linux-foundation.org" , "linux-dvb@linuxtv.org" Subject: Re: [linux-dvb] [PATCH] Userspace tuner Message-ID: <20070918230058.GA17234@devserv.devel.redhat.com> References: <20070913131353.GB26972@linuxtv.org> <46E95C54.4060502@gmail.com> <46E99F36.8090809@hauppauge.com> <20070914135237.GB19311@devserv.devel.redhat.com> <46EF8A1F.7040309@foks.8m.com> <1190156165.7883.24.camel@areia> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1190156165.7883.24.camel@areia> User-Agent: Mutt/1.4.1i Organization: Red Hat UK Cyf., Amberley Place, 107-111 Peascod Street, Windsor, Berkshire, SL4 1TE, Y Deyrnas Gyfunol. Cofrestrwyd yng Nghymru a Lloegr o'r rhif cofrestru 3798903 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1040 Lines: 19 On Tue, Sep 18, 2007 at 07:56:05PM -0300, Mauro Carvalho Chehab wrote: > proprietary format. This way, an userspace app may use the userspace > library as a "fallback method" for unknown FOURCC formats. The result > will be probably far away from an optimal result on some cases (since it > probably mean double buffering), but this will at least allow userspace > apps to work. As performance become an issue, the userspace app > developer may use the GPL code at userspace API as a reference to write > a proper optimized format driver for its apps. You can dynamically load libraries based on constructed path names which means you can write a simple library for media conversions which in turn will try and open libv4l-format-ABCD.so for any format it doesn't know - and thus is extensible - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/