From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from 7of9.schinagl.nl ([88.159.158.68]:59891 "EHLO 7of9.schinagl.nl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932338Ab2DQNo7 (ORCPT ); Tue, 17 Apr 2012 09:44:59 -0400 Message-ID: <4F8D73D4.70509@schinagl.nl> Date: Tue, 17 Apr 2012 15:44:52 +0200 From: Oliver Schinagl MIME-Version: 1.0 To: Anssi Hannula CC: Florian Fainelli , linux-media@vger.kernel.org, marbugge@cisco.com, hverkuil@cisco.com Subject: Re: [RFC] HDMI-CEC proposal References: <4F86F3A6.9040305@gmail.com> <4F873CE7.4040401@schinagl.nl> <4F8D70A7.4050105@iki.fi> In-Reply-To: <4F8D70A7.4050105@iki.fi> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-media-owner@vger.kernel.org List-ID: Yes, the library to talk to the device is opensource, the hardware, not so much. :) On 17-04-12 15:31, Anssi Hannula wrote: > 12.04.2012 23:36, Oliver Schinagl kirjoitti: >> Since a lot of video cards dont' support CEC at all (not even >> connected), don't have hdmi, but work perfectly fine with dvi->hdmi >> adapters, CEC can be implemented in many other ways (think media centers) >> >> One such exammple is using USB/Arduino >> >> http://code.google.com/p/cec-arduino/wiki/ElectricalInterface >> >> Having an AVR with v-usb code and cec code doesn't look all that hard >> nor impossible, so one could simply have a USB plug on one end, and an >> HDMI plug on the other end, utilizing only the CEC pins. >> >> This would make it more something like LIRC if anything. > There already exists a device like this (USB CEC adapter with hdmi > in/out) with open source userspace driver, developed for the XBMC Media > Center (apparently MythTV is also supported): > > http://www.pulse-eight.com/store/products/104-usb-hdmi-cec-adapter.aspx > http://libcec.pulse-eight.com/ > https://github.com/Pulse-Eight/libcec >