[mythtv] DVD playback AV sync issues: all solved (?)

Paul Gardiner lists at glidos.net
Sat Feb 6 08:12:56 UTC 2010

Bill Williamson wrote:
> On Sat, Feb 6, 2010 at 2:30 AM, Paul Gardiner <lists at glidos.net> wrote:
>> Davin McCall wrote:
>>> On 05/02/10 16:52, Taylor Ralph wrote:
>>>> I just found one issue so far. You've got the m_can_double comparison
>>>> backwards which causes 2x deinterlacing to be disabled.
>>> Hmm
>>>            m_can_double = (frame_interval / 2 >
>>> videosync->getRefreshInterval() * 1.005);
>> Is this a good test to have in any case. Wouldn't it be good
>> to, say, be able to use double rate when playing an interlaced
>> 30fps movie on a 50Hz display?
> It would be good were it possible.  As it is you'd have huge
> degridation due to dropped frames.

But the frames you would see, would be better placed temporally
than the 30fps without doubling. Isn't that true? Neither 30fps
or 60fps will look perfect on a 50Hz display, but I would have
thought that 60fps would look slightly better.


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