[mythtv] CC (was: mythmusic cvs commits that require another library?)

Lonnie Hutchinson chinacat at chinacat.org
Fri Feb 14 09:20:22 EST 2003

I'm going on vacation tomorrow,  so I'm going to drop off this list for
a while. I'll pick it up after that (if someone else hasn't).

Thanks for the advice

On Fri, 2003-02-14 at 00:41, Erik Arendse wrote:
> Hi everybody,
> I'm back in the game. Yes, I was working on CC, but was very busy building 
> our kitchen and suddenly ran into a flue virus. Been in bed for a few 
> days... Busy weekend, but coding will start again monday 17 feb.
> At 14-2-03 02:43, Lonnie Hutchinson wrote:
> >I believe Erik is working on CC, he sent an email to this list a few
> >days ago asking for help testing it. I volunteered and haven't yet heard
> >back from him, so I started looking into what needs to be done. It looks
> >like a decoder needs to be written, and rather than writing one I
> >thought using an existing one (zvbi) would be appropriate.
> >
> >I will look into what needs to be done to support this without an
> >external library if you would prefer.
> If you want to implement this weekend yourself: Robert Kulagowski put a 
> myth-cc.c source on this list some time back, it is a stripped CC decoder. 
> Strip it further, put it in libvbitext. In NuppelVideoRecorder.cpp function 
> ::doVbiThread() is a test on vbimode where the CC branch is marked TODO. 
> Just reading from the /dev/vbi and stuffing it to the decoder should be 
> sufficient. Tricky bit is converting the decoded stuff into text you want 
> on the display. Have a look at the way the teletext splits the text into 
> single-colored strings (oops, not sure if that is in CVS yet, but it should 
> work that way...) which are fed to the textbuffer. I was hoping CC could 
> use the same text layout, but perhaps you have to modify the OSDTypeCC 
> class (osdtypes.cpp) a little.
> I think scrolling & buffering should be handled by the recorder, not the 
> player. If not you loose all onscreen text if you rewind just a second.
> >Lonnie
> >
> >On Thu, 2003-02-13 at 09:16, Isaac Richards wrote:
> > > In this case, I'd rather the appropriate support were added directly, 
> > like the
> > > teletext stuff is.  I believe Erik Arendse (did the existing teletext
> > > support) is working on adding support for CC support here in the US, 
> > though.
> > >
> > > Isaac
> >
> >
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