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From: Steven Toth <stoth@kernellabs.com>
To: linux-media@vger.kernel.org, linux-dvb@linuxtv.org
Cc: Devin Heitmueller <dheitmueller@kernellabs.com>
Subject: Re: [linux-dvb] EPG (Electronic Program Guide) Tools
Date: Wed, 27 May 2009 10:56:37 -0400	[thread overview]
Message-ID: <4A1D54A5.40602@kernellabs.com> (raw)
In-Reply-To: <829197380905261105k6f1a8f9dl1bcd067863e85e67@mail.gmail.com>

>> Where does the EPG come from?
>>
>> Is it incorporated into the output stream through PID's some how or is
>> it read from one of the other devices under adapter0?
>>
>> Are there simple command line tools to read it or do you have to write a
>> custom program to interpret it somehow?
>>
>> Could someone please point me in the right direction to get started?  If
>> no tools exist, perhaps links to either api or lib docs/samples?
>>
>>
>> Much appreciated.
>> Chris.
> 
> Hello Chris,
> 
> The ATSC EPG is sent via the ATSC PSIP protocol.  I do not know of any
> tools currently available to extract the information.  MeTV has a
> working implementation (with some bugs I have seen), and I was looking
> at getting it to work in Kaffeine at some point.
> 
> The spec is freely available here:
> 
> http://www.atsc.org/standards/a_65cr1_with_amend_1.pdf

Chris,

You'd expect to be able to get 3-4 days of advanced data to populate a guide 
with, in reality you can often get as little a six hours and that's it. The 
mandatory side of the spec is weak in this area. six hours is fine for Now / 
Next but of little use for anything else.

Depending on your needs, your mileage may vary.

Regards,

- Steve

-- 
Steven Toth - Kernel Labs
http://www.kernellabs.com

  parent reply	other threads:[~2009-05-27 14:56 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-05-26 17:51 [linux-dvb] EPG (Electronic Program Guide) Tools Chris Capon
2009-05-26 18:05 ` Devin Heitmueller
2009-05-26 19:18   ` Jonathan Isom
2009-05-26 19:31     ` Devin Heitmueller
2009-05-26 19:39       ` Jonathan Isom
2009-05-27  0:20         ` Chris Capon
2009-05-27 14:56   ` Steven Toth [this message]
2009-05-27 15:03     ` Devin Heitmueller
     [not found] <mailman.1.1243418401.15557.linux-dvb@linuxtv.org>
2009-05-27 12:07 ` Adam Charrett

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