On Tue, 1 Mar 2005 22:03:36 +0100, Martin Barnasconi <[EMAIL PROTECTED]> wrote: > > Well, MPEGs *can* have subtitle information embedded, AFAIK. Whether or > > not a particular content producer embeds them is another story. Right > > now I don't think Myth supports MPEG subtitles, but the point is the > > information *should* be there and accessible by standard consumer > > devices**... perhaps someone familiar with the Americans with > > Disabilities Act could shed some light. > > Current status is that for PVR cards using the IVTV driver, the sliced > vertical blanking interval (VBI) stream, containing teletext/subtitles/CC, > is now embedded in the MPEG2 program stream (PS). Note that this embedding is > IVTV driver specific. VBI Decoding support in mythtv is in process. > For DVB MPEG transport streams (TS), VBI has its own PID and should be > detected differently. Similar approach, but you need a different detection > procedure here. > > > Not necessarily. AFAIK only Myth has the ability to record VBI data and > > convert it to subtitles for display afterwards. I doubt ReplayTV or > > Tivo can do this. (NB- Myth only supports this currently for analog > > framegrabber (bttv) cards), though support the VBI interface on ivtv > > cards is maturing, so Myth may support them at some point, too.
So does this mean that CC info can be displayed from PVR-250 recordings? If so, do you know what ivtv version is required? Thanks, Lane -- Meetup with other Myth users! http://mythtv.info/moin.cgi/MUG
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