From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from sirokuusama.dnainternet.net ([83.102.40.133]:39437 "EHLO sirokuusama.dnainternet.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932175Ab2DQNhz (ORCPT ); Tue, 17 Apr 2012 09:37:55 -0400 Message-ID: <4F8D70A7.4050105@iki.fi> Date: Tue, 17 Apr 2012 16:31:19 +0300 From: Anssi Hannula MIME-Version: 1.0 To: Oliver Schinagl 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> In-Reply-To: <4F873CE7.4040401@schinagl.nl> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Sender: linux-media-owner@vger.kernel.org List-ID: 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 -- Anssi Hannula