[mythtv] ATSC question

Devin Heitmueller devin.heitmueller at gmail.com
Mon Feb 22 19:29:25 UTC 2010

On Mon, Feb 22, 2010 at 1:44 PM, Tim <blooflame at comcast.net> wrote:
> ATSC standards have a section for 'Content Identifiers'.  I am curious as to
> whether that kind of information gets passed through a tuner card to the
> software, and whether software like MythTV uses it.  I have so far been
> unable to determine if the data is actually included in information from
> content providers; if anyone knows please post.

Yeah, it's part of the ATSC PSIP spec, and the tuner will pass it
through to the software if it wants it (it's sent on MPEG PID 0x1FFB).
 It's required for broadcasters to send it, since it's used for V-Chip
style content ratings.  The cable providers doing ClearQAM aren't
required to send the info though, and as far as I know most do not.

I don't know if MythTV actually uses any of the info though.


Devin J. Heitmueller
AIM: devinheitmueller

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