From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail.kapsi.fi ([217.30.184.167]:58801 "EHLO mail.kapsi.fi" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932289AbaGITTH (ORCPT ); Wed, 9 Jul 2014 15:19:07 -0400 Message-ID: <53BD95A3.2050509@iki.fi> Date: Wed, 09 Jul 2014 22:18:59 +0300 From: Antti Palosaari MIME-Version: 1.0 To: Andre Newman , Linux Media Mailing List Subject: Re: PCTV T292e whole DVBT2 mux/Ultra HD performance question References: <35906397-E8F4-4229-966F-7ED578441C10@dinkum.org.uk> In-Reply-To: <35906397-E8F4-4229-966F-7ED578441C10@dinkum.org.uk> Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 8bit Sender: linux-media-owner@vger.kernel.org List-ID: Moikka On 07/09/2014 04:14 PM, Andre Newman wrote: > I’m using a T290e for whole mux DVBT2 capture, using this to record the current BBC World Cup Ultra HD tests, works well. :-) > > It seems impossible to buy more T290e’s, everyone want to sell me a T292e, I understand there is a driver now, thanks Antti. I read on Antti’s blog that there is a limit on raw TS performance with the T292, that it didn’t work well with QAM256 because of this... > > I am wondering if this is a hardware limit, or a performance problem that may have been resolved now the driver is a little tiny bit more mature? > > I am very happy to get a T292e and make some tests, help debug if there is a hope that it can handle 40Mbps in hardware.If there is a hardware limit I’d rather not be stuck with a limited tuner! > > The mux I need to record is QAM256 at ~40Mbps and the UHD video is ~36Mbps of this. > > Otherwise what other DVBT2 tuners are there that can capture a raw QAM256 mux at 40Mbps? You simply confused two different devices. There is no such limit on PCTV 292e as far as I know. It is another DVB-T2 device having RTL2832P bridge having problem with stream bandwidth. regards Antti -- http://palosaari.fi/