From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail.gmx.net ([213.165.64.20]:57672 "HELO mail.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1753061AbZAYQaF (ORCPT ); Sun, 25 Jan 2009 11:30:05 -0500 Cc: linux-dvb@linuxtv.org Content-Type: text/plain; charset="iso-8859-1" Date: Sun, 25 Jan 2009 17:29:59 +0100 From: "Hans Werner" In-Reply-To: Message-ID: <20090125162959.86940@gmx.net> MIME-Version: 1.0 References: <497C3F0F.1040107@makhutov.org> <497C359C.5090308@okg-computer.de> <20090125144112.86930@gmx.net> Subject: Re: [linux-dvb] How to use scan-s2? To: linux-media@vger.kernel.org Content-Transfer-Encoding: 8bit Sender: linux-media-owner@vger.kernel.org List-ID: > On Sun, Jan 25, 2009 at 4:41 PM, Hans Werner wrote: > > > > If you have a stb0899 device, don't forget to add "-k 3". > > > > Oh. Can someone say what's different about the stb0899 here, > > and how -k 3 helps ? > > > Since I've added it, I'll try to defend it :) > > stb0899 driver (or maybe the chip?) has some buffers inside that are not > reset between tunnings. > In that case messages from *previous* channel will arrive after the > tunning > to new channel is complete. > Those messages will create a big mess in the results, such as channels > without names, duplicate channels on different transponders. > -k option specifies how many messages should be ignored before processing > it. I couldn't think of a more elegant way to ignore messages from > previously tuned channel. I use "-k 3" by myself, but after playing around > with "-k 2" saw that its also working. "-k 1" was still not enough. > > The proper way is to have an option to reset that buffer in the driver > after > tunning. > Since I don't know how it can be done and how it will affect tunning of > channels for viewing, I didn't want to go that way and solve it in > scan-s2. > > Regards, > Alex. OK, thanks, I will check if I see that problem. Which card(s) did you see this with? Hans -- Release early, release often. Psssst! Schon vom neuen GMX MultiMessenger gehört? Der kann`s mit allen: http://www.gmx.net/de/go/multimessenger