[mythtv-users] Subtitle clarity

[Jim Stichnoth]

On Wed, Jun 6, 2012 at 1:59 PM, Alexander Fisher <alex at alexfisher.me.uk> wrote:
> On 6 June 2012 20:49, Jim Stichnoth <stichnot at gmail.com> wrote:
>> On Wed, Jun 6, 2012 at 8:44 AM, Michael T. Dean <mtdean at thirdcontact.com> wrote:
>>> On 06/06/2012 11:32 AM, Alexander Fisher wrote:
>>>>
>>>> Does anybody else have issues with some subtitles (from dvd rips),
>>>> being really difficult to read?
>>>>
>>>> I started watching 'Jean de Florette', with English titles turned on,
>>>> but gave up until I figured out how to fix this issue.
>>>>
>>>> The titles are large enough and appear in the correct part of the
>>>> screen, but they look really odd.  They're grey, with a thin white
>>>> edging.  With no antialiasing, this looks awful.
>>>> The same mkv file played with VLC is *much* more pleasing with solid
>>>> white titles that are easier to follow.
>>>>
>>>> Before I open a ticket and attach a sample, I thought I'd check to see
>>>> if it was a known issue.
>>>>
>>>
>>> DVD subtitles are image-based subtitles.  It's likely a problem with either
>>> bad mastering of the DVD or the scaling of the images and/or overlaying them
>>> on the video that's making them bad.
>>>
>>> In other words, since they're not text-based, it's not a font problem we can
>>> fix.
>>>
>>> It is possible that there is some kind of color palette/transparency issue
>>> in the code, but you should definitely try playing back that DVD with
>>> another DVD player to see if it's just as bad there.
>>
>> From the description, I would bet on a color palette issue, either
>> from a MythTV problem or from an underlying ffmpeg problem.  I haven't
>> seen this issue before.  Please do create a new ticket with a sample
>> and I will investigate.
>
> Hi Jim
>
> Firstly, thanks for spending so much time looking into all the recent
> subtitle issues I've been reporting.
> It's very much appreciated.  I've opened a ticket with a link to a 60
> second sample.
> http://code.mythtv.org/trac/ticket/10811

Alex,

Thanks for your help in improving MythTV's subtitle experience.  I'll
take a look at the sample as soon as I get in front of a TV.

Jim