[mythtv] Ticket #11899: Garbled CCs on some stations

Jim Stichnoth stichnot at gmail.com
Thu Oct 17 04:43:54 UTC 2013


On Wed, Oct 16, 2013 at 8:58 PM, faginbagin <mythtv at hbuus.com> wrote:

>
>
> On 10/16/2013 6:25 PM, MythTV wrote:
> > #11899: Garbled CCs on some stations
> > -----------------------------------+----------------------------
> >   Reporter:  faginbagin <mythtv@…>  |          Owner:  stichnot
> >       Type:  Bug Report - General   |         Status:  accepted
> >   Priority:  minor                  |      Milestone:  0.27.1
> > Component:  MythTV - Captions      |        Version:  0.27-fixes
> >   Severity:  medium                 |     Resolution:
> >   Keywords:                         |  Ticket locked:  0
> > -----------------------------------+----------------------------
> > Changes (by stichnot):
> >
> >   * milestone:  unknown => 0.27.1
> >
> >
> > Comment:
> >
> >   Helen, after committing e20a6310b1 to master, your two samples seem to
> >   show the captions perfectly.  Are you able to apply this patch to your
> >   0.27 test environment?  If so, I'd appreciate if you could do more
> >   extensive testing on your recordings before I commit it to 0.27-fixes.
> >
> >   Note that for HD broadcasts, the default is always to prefer CEA-708
> >   "digital" captions, so you need to go into the Subtitles submenu during
> >   playback to enable the CEA-608 "VBI" captions for testing.
> >
> > --
> > Ticket URL: <http://code.mythtv.org/trac/ticket/11899#comment:4>
> > MythTV <http://www.mythtv.org>
> > MythTV Media Center
> >
>
> Many thanks for your efforts. I will try to backport that changeset and
> test. As for 708 vs 608, this channel only provides 608 captions, so
> there's no need to go into the menu to choose VBI CC as opposed to ATSC CC.
> ATSC CC doesn't show up in the menu.
>

I was referring to the last sentence in the original ticket description,
"Closed captions on HD broadcast stations and other basic cable stations
appear to be OK."  If these HD broadcast stations are ATSC and have both
608 and 708 captions, it would be good to verify the 608 captions as well.

Jim
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