Date: Wed, 26 Mar 1997 17:44:53 -0700 From: Steve Passe <smp@csn.net> To: Doug White <dwhite@resnet.uoregon.edu> Cc: Amancio Hasty <hasty@rah.star-gate.com>, multimedia@freebsd.org Subject: Re: bt848 driver for this week Message-ID: <199703270044.RAA16977@Ilsa.StevesCafe.com> In-Reply-To: Your message of "Wed, 26 Mar 1997 15:59:20 PST." <Pine.BSI.3.95.970326154700.22414B-100000@resnet.uoregon.edu>
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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
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