From owner-freebsd-multimedia Wed Mar 26 16:45:22 1997 Return-Path: Received: (from root@localhost) by freefall.freebsd.org (8.8.5/8.8.5) id QAA17319 for multimedia-outgoing; Wed, 26 Mar 1997 16:45:22 -0800 (PST) Received: from Ilsa.StevesCafe.com (sc-gw.StevesCafe.com [205.168.119.191]) by freefall.freebsd.org (8.8.5/8.8.5) with ESMTP id QAA17300 for ; Wed, 26 Mar 1997 16:45:17 -0800 (PST) Received: from localhost (localhost [127.0.0.1]) by Ilsa.StevesCafe.com (8.7.5/8.6.12) with SMTP id RAA16977; Wed, 26 Mar 1997 17:44:53 -0700 (MST) Message-Id: <199703270044.RAA16977@Ilsa.StevesCafe.com> X-Authentication-Warning: Ilsa.StevesCafe.com: Host localhost [127.0.0.1] didn't use HELO protocol X-Mailer: exmh version 1.6.5 12/11/95 From: Steve Passe To: Doug White cc: Amancio Hasty , multimedia@freebsd.org Subject: Re: bt848 driver for this week In-reply-to: Your message of "Wed, 26 Mar 1997 15:59:20 PST." Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Date: Wed, 26 Mar 1997 17:44:53 -0700 Sender: owner-multimedia@freebsd.org X-Loop: FreeBSD.org Precedence: bulk Hi, > Is there any way of interrogating the cards and finding out if the channel > is broadcasting stereo? It doesn't sound like it is doing stereo decode, > although this is the WinCast/dbx. I can't tell with headphones on > standard TV on channels our Sony TV says are on stereo. I suppose I need > to find a movie or something that does a lot of left/right type panning. all I've done to the stereo chips so far is unmute it. the placeholder function for adding stereo support is: /* * setup the dbx chip * XXX FIXME: alot of work to be done here, this merely unmutes it. */ static int set_BTSC( bktr_ptr_t bktr, int control ) { return( i2cWrite( bktr, TDA9850_WADDR, CON3ADDR, control ) ); } to get info on programming the TDA9850 I2C-bus controlled BTSC Stereo/SAP Decoder look at: http://www.semiconductors.philips.com/acrobat/2144.pdf go for it! -- Steve Passe | powered by smp@csn.net | Symmetric MultiProcessor FreeBSD