From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from perceval.ideasonboard.com ([95.142.166.194]:52153 "EHLO perceval.ideasonboard.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753479Ab3AVP3T (ORCPT ); Tue, 22 Jan 2013 10:29:19 -0500 From: Laurent Pinchart To: Adriano Martins Cc: linux-media@vger.kernel.org Subject: Re: yavta - Broken pipe Date: Tue, 22 Jan 2013 16:31:04 +0100 Message-ID: <2391937.KLGgbijk6r@avalon> In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" Sender: linux-media-owner@vger.kernel.org List-ID: Hi Adriano, On Tuesday 22 January 2013 09:31:58 Adriano Martins wrote: > Hello Laurent and all. > > Can you explain me what means the message in yavta output: > > "Unable to start streaming: Broken pipe (32)." This means that the ISP hardware pipeline hasn't been properly configured. Unlike most V4L2 devices, the OMAP3 ISP requires userspace to configure the hardware pipeline before starting the video stream. You can do so with the media-ctl utility (available at http://git.ideasonboard.org/media-ctl.git). Plenty of examples should be available online. > I'm using omap3isp driver on DM3730 processor and a ov5640 sensor. I > configured it as parallel mode, but I can't get data from /dev/video6 > (OMAP3 ISP resizer output) -- Regards, Laurent Pinchart