[mythtv-users] Need help with Air2pc setup

Angel Li angel at miami.edu
Mon Feb 28 21:15:37 UTC 2005


Also, don't install the ivtv drivers unless you really need them. I'll 
rip out that line in the howto that displays info on the saa71115. I 
just assumed that if it had the string "Air2PC" it came from their 
driver. You know what they say about "assume"...

Tom Dombrosky wrote:

>On Mon, 28 Feb 2005 15:44:57 -0500, Byron Poland <wpoland at gmail.com> wrote:
>  
>
>>Hi,
>>
>>I'm trying to set up an Air2pc card and mythtv in my Ubuntu Hoary
>>amd64 machine. Ubuntu has mythtv .17 debs available in its repository,
>>and they seem to work for me. I've successfully downloaded the cvs dvb
>>kernel drivers and incorporated them into my kernel and they seem to
>>load:
>>
>>   byron at glide:~$ dmesg | grep dvb
>>   drivers/media/dvb/b2c2/skystar2.c: FlexCopIIB(rev.195) chip found
>>   drivers/media/dvb/b2c2/skystar2.c: the chip has 38 hardware filters
>>   nxt2002: Waiting for firmware upload (dvb-fe-nxt2002.fw)...
>>
>>The air2pc-howto.html showed a reference to a saa7115 module loading,
>>I didn't have this on my system, did a little googling, and saw it was
>>included with the ivtv driver, so I compiled that and loaded the
>>saa7115 module by hand:
>>
>>   byron at glide:~$ dmesg | grep saa
>>   saa7115: starting probe for adapter SkyStar2 (0x10000)
>>   saa7115: starting probe for adapter SMBus Via Pro adapter at 5000 (0x0)
>>
>>I compiled the dvb-apps from cvs (they crapped out at the
>>ttusb_dec_reset stuff, so i just took that out of the make file).
>>
>>Set up the azap stuff, and I get output like this:
>>byron at glide:~/downloads/dvb-apps/util/szap$ ./azap wpvi
>>using '/dev/dvb/adapter0/frontend0' and '/dev/dvb/adapter0/demux0'
>>
>>   tuning to 773000000 Hz
>>   video pid 0x0000, audio pid 0x0000
>>   status 00 | signal fff0 | snr ea60 | ber 00000000 | unc 00000000 |
>>   status 1f | signal f5f0 | snr cfe6 | ber 00000598 | unc 00000000 |
>>FE_HAS_LOCK
>>   status 1f | signal f580 | snr c27c | ber 00004d48 | unc 00000000 |
>>FE_HAS_LOCK
>>   status 00 | signal 8f30 | snr 5a44 | ber 00000000 | unc 00000000 |
>>   status 1f | signal f930 | snr d27a | ber 00000070 | unc 00000000 |
>>FE_HAS_LOCK
>>   status 00 | signal ae60 | snr 5d90 | ber 00000000 | unc 00000000 |
>>
>>Now when I run mythtv-setup and set up the capture device (following
>>the air2pc-howto) dvb0  detected:
>>
>>   DVB Card Number:       0
>>   Card Name:      Could not get card infor for card #0!
>>   Card Type:           Success
>>
>>This is the first place things seem to diverge from the howto.  Of
>>concern is not getting the card info, and the contradictory: Success.
>>
>>The next place I get stuck is adding the transports for each channel
>>as in the mythdvb patchset howto, and there all I can manage to do is
>>add a Transport ATSC type, and it just defaults to 0 (0,0,0) I think.
>>I have no place to enter a channel number or other info.  For fun I
>>found where this info was stored in the database and manually entered
>>the frequency and modulation I got from my channels.conf  which works
>>with azap.  doing a scan of existing transports just times out at each
>>of the frequencies.
>>
>>As a last resort I did try to download mythtv cvs, and that just fails
>>compilation with in libavcodec because of -march=k8 or something.
>>
>>If anyone has any thoughts or could lead me in a particular direction
>>I'd appreciate it.
>>
>>Thanks
>>
>>
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>>mythtv-users at mythtv.org
>>http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users
>>
>>
>>
>>    
>>
>
>You're compiling myth with the wrong dvb headers.  Make sure the line
>in your settings.pro is correct and then recompile.  You won't be able
>to do any scans until you fix this.
>
>Tom
>  
>
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>
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