[mythtv] Close captioning program
Matt Zimmerman
mythtv-dev@snowman.net
Fri Jan 3 16:16:01 EST 2003
On Thu, Jan 02, 2003 at 11:49:03PM -0800, Gregorio Gervasio Jr. wrote:
> VBI decoder -- There seem to be a few decoders floating around.
> Any opinions on what's the best one to start with?
I believe that's what was just posted to the list.
> file encoder -- Are there some standard formats for storing CC data
> streams? I notice NuppelVideo allows for text blocks but it doesn't look
> like anyone uses it. There was also some discussion in the list archives
> about being able to do string searches.
Yes, it would need to be stored in the stream somewhere. I haven't looked
into this text support, but it sounds like the right thing if it is synched
with the other streams.
> display -- I suppose Tivo boxes add the CC stream back to the TV
> output for the TV hardware to decode but that seems like more trouble
> than it's worth. (Is it even feasible through most video cards or
> VGA->NTSC converters?). Anyway, mythtv needs the ability to overlay
> the CC display itself for people not using TV output.
In MythTV, the easiest thing would seem to be displaying the text using the
OSD.
--
- mdz
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