Re: [linux-dvb] EPG (Electronic Program Guide) Tools

[Jonathan Isom <jeisom@gmail.com>]

On Tuesday, May 26, 2009, Devin Heitmueller <dheitmueller@kernellabs.com> wrote:
> On Tue, May 26, 2009 at 1:51 PM, Chris Capon <ttabyss@gmail.com> wrote:
>> Hi:
>> I've installed an HVR-1600 card in a Debian system to receive ATSC
>> digital broadcasts here in Canada.  Everything works great.
>>
>> scan /usr/share/dvb/atsc/us-ATSC-center-frequencies-8VSB > channels.conf
>>
>>        finds a complete list of broadcasters.
>>
>> azap -c channels.conf -r "channel-name"
>>
>>        tunes in the stations and displays signal strength info.
>>
>> cp /dev/dvb/adapter0/dvr0 xx.mpg
>>
>>        captures the output stream which can be played by mplayer.
>>
>>
>>
>> What I'm missing is information about the Electronic Program Guide
>> (EPG).  There doesn't seem to be much info on linuxtv.org on how to read it.
>>
>> 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.
>
Dvbstreamer supports atsc epg. That is what i use
> The spec is freely available here:
>
> http://www.atsc.org/standards/a_65cr1_with_amend_1.pdf
>
> If you have any questions, feel free to drop me a line.
>
> Cheers,
>
> Devin
>
> --
> Devin J. Heitmueller - Kernel Labs
> http://www.kernellabs.com
>
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>

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