[linux-dvb] EPG (Electronic Program Guide) Tools
dheitmueller at kernellabs.com
Tue May 26 20:05:00 CEST 2009
On Tue, May 26, 2009 at 1:51 PM, Chris Capon <ttabyss at gmail.com> wrote:
> 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.
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:
If you have any questions, feel free to drop me a line.
Devin J. Heitmueller - Kernel Labs
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