From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mailout3.w1.samsung.com ([210.118.77.13]:24435 "EHLO mailout3.w1.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932970Ab1IBJdi (ORCPT ); Fri, 2 Sep 2011 05:33:38 -0400 MIME-version: 1.0 Content-transfer-encoding: 7BIT Content-type: text/plain; charset=UTF-8 Received: from euspt2 ([210.118.77.13]) by mailout3.w1.samsung.com (Sun Java(tm) System Messaging Server 6.3-8.04 (built Jul 29 2009; 32bit)) with ESMTP id <0LQW00L4G2K050B0@mailout3.w1.samsung.com> for linux-media@vger.kernel.org; Fri, 02 Sep 2011 10:33:36 +0100 (BST) Received: from linux.samsung.com ([106.116.38.10]) by spt2.w1.samsung.com (iPlanet Messaging Server 5.2 Patch 2 (built Jul 14 2004)) with ESMTPA id <0LQW00J4O2JZY1@spt2.w1.samsung.com> for linux-media@vger.kernel.org; Fri, 02 Sep 2011 10:33:36 +0100 (BST) Date: Fri, 02 Sep 2011 11:33:35 +0200 From: Sylwester Nawrocki Subject: Re: Using atmel-isi for direct output on framebuffer ? In-reply-to: <20110902111853.292d7f26@skate> To: Thomas Petazzoni Cc: "Wu, Josh" , linux-media@vger.kernel.org Message-id: <4E60A2EF.10105@samsung.com> References: <20110901170555.568af6ea@skate> <4C79549CB6F772498162A641D92D532802A09156@penmb01.corp.atmel.com> <20110902111853.292d7f26@skate> Sender: linux-media-owner@vger.kernel.org List-ID: Hi, On 09/02/2011 11:18 AM, Thomas Petazzoni wrote: > Doing the YUV -> RGB within the V4L2 driver is something I understand > quite well. The part I miss is how the V4L2 driver interacts with the > framebuffer driver to output the camera image into the framebuffer. > >> For V4L2_CAP_VIDEO_OVERLAY type driver, I don't know much about that. > > Hum, ok, found http://v4l2spec.bytesex.org/spec/x6570.htm which seems > to explain a bit the userspace interface for this. Most up to date documentation is hosted at linuxtv.org: http://linuxtv.org/downloads/v4l-dvb-apis/overlay.html