[mythtv] Redone FFmpeg 4.4.1

[John Pilkington]

Once again I find that my reply didn't go to the intended list.  This is 
a lightly eddited version:

On 30/11/2021 16:13, Peter Bennett wrote:

>>
>> FWIW I now have ffmpeg-resync-0 at f521387...
>> {{{
>>
>> VDPAU Normal
>> Single rate deinterlacer, High Quality, Driver preferred, 
>> shows in the Playback Data popup as VDPAU Advanced.
>> Double rate deinterlacer None.  (Rapid pans are very unsmooth with it.)
>>
>> Playback seems acceptable, transitions between 1080p and 1080i OK
>> Skipping is instantaneous and non-blocky.
>>
>> I'll probably stay with it for a bit.
>>
>> }}}
>>
>>>
>>> John P
>>>
>>
>>
> That is the ffmpeg-resync-0 before the rebase. The latest 
> ffmpeg-resync-0 is rebased and there is a database schema upgrade in 
> line with master.
> 
> Peter

Yes, thanks for that.  I had noticed the change of hash - and your 
warning of the (inconspicuous) DB update.  In view of that, and IIUC its 
irreversibility, I'm likely to hold back for longer.  Fortunately the 
current build looks good.

John