From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751479AbZHBBCY (ORCPT ); Sat, 1 Aug 2009 21:02:24 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751110AbZHBBCX (ORCPT ); Sat, 1 Aug 2009 21:02:23 -0400 Received: from mail-in-01.arcor-online.net ([151.189.21.41]:57085 "EHLO mail-in-01.arcor-online.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750857AbZHBBCW (ORCPT ); Sat, 1 Aug 2009 21:02:22 -0400 X-DKIM: Sendmail DKIM Filter v2.8.2 mail-in-12.arcor-online.net 5DC311B3647 Subject: Re: USB devices supporting raw or sliced VBI for closed captioning? From: hermann pitton To: Markus Rechberger , Linus Torvalds , Andrew Morton , Greg KH , Alan Cox Cc: Steve Castellotti , linux-media@vger.kernel.org, linux-kernel@vger.kernel.org In-Reply-To: References: <1249082438.18313.30.camel@odyssey.sc.user.nz.vpn> Content-Type: text/plain Date: Sun, 02 Aug 2009 02:49:19 +0200 Message-Id: <1249174159.3255.13.camel@pc07.localdom.local> Mime-Version: 1.0 X-Mailer: Evolution 2.12.3 (2.12.3-5.fc8) Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Am Samstag, den 01.08.2009, 03:45 +0200 schrieb Markus Rechberger: > Hi, > > On Sat, Aug 1, 2009 at 1:20 AM, Steve Castellotti wrote: > > > > I was wondering if anyone could please point me at a list or similar > > resource for USB capture devices which support raw (or sliced) VBI > > access for producing a closed caption transcript through software such > > as zbvi-ntsc-cc or ccextractor? Specifically I'm wanting a device > > capable of S-Video, Composite, or even Component input, not just ATSC, > > as most USB devices seem focused around these days. > > > > I've managed to get this working with various ivtv and saa713x based > > PCI devices, but aren't aware of any USB implementations of chipsets > > which use those drivers. > > > > > > Searching online, I found this archived message: > > > > http://lists.zerezo.com/video4linux/msg16402.html > > > > which states: > > > >> some em2840 and newer devices are able to capture raw vbi in > >> linux (sliced vbi isn't possible yet) > >> em2820, em2800, em2750 do not support vbi at all. > > > > > > Checking the em28xx driver homepage for recent models, I found this > > entry: > > > > http://mcentral.de/wiki/index.php5/Em2880 > > > >> officially the em2880 is em2840 + DVB_T > > > > > > which implies that not only is the "em2880" series a "newer" device, > > but it should in fact already contain the "em2840" chip specifically > > mentioned. > > > > > > Later on that same page, in the list of devices: > > > > ATI/AMD TV Wonder 600 > > > > > > and on the manufacturer's page: > > > > http://ati.amd.com/products/tvwonder600/usb/index.html > > > > > > Under the list of "Input Connectors": > > > >> S-video input with adapter > > > > > > > > Picking up one of these devices, I attempted to tune into the S-Video > > feed and check the /dev/vbi0 device, but received the same error message > > as I do with all other em28xx devices encountered thus far: > > > >> Cannot capture vbi data with v4l interface: > >> /dev/vbi0 (AMD ATI TV Wonder HD 600) is not a raw vbi device. > > > > > > > > Can anyone please point me in the right direction? > > > > I would much prefer to be certain the next purchase is supported. > > > > > > > > Thanks! > > > > we do support Raw VBI for our devices, Sundtek MediaTV Pro for closed > captioning. > Alternatively we also have full support for ATSC-analogTV USB devices > for the US market ([em288x]-[AVFB4910]-[Trident drx-J]-[tda18271]) the > european product which we are selling is also capable of decoding NTSC > closed caption. > > http://sundtek.de/shop/Digital-TV-Sticks-oxid/Sundtek-MediaTV-Pro.html > (this is just the information about the > European/DVB-T/DVB-C/analogTV(raw VBI) device, we do not have the > US/ATSC/analogTV(rawVBI) product listed there, although we do offer it > to business customers) We support it from Linux 2.6.15 on. > > Best Regards, > Markus Rechberger Hi, anything new about how to deal with commercial advertising on lists, depending totally on our source? Please have a look. Cheers, Hermann