[mythtv-commits] Ticket #13494: Add framerate-based sync setting

[MythTV]

#13494: Add framerate-based sync setting
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 Reporter:  madscientist159          |          Owner:  Peter Bennett
     Type:  Patch - Feature          |         Status:  assigned
 Priority:  minor                    |      Milestone:  needs_triage
Component:  MythTV - Video Playback  |        Version:  v29-fixes
 Severity:  low                      |     Resolution:
 Keywords:                           |  Ticket locked:  0
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Comment (by madscientist159):

 I need to run a full calibration, because the actual delay through the
 system is some formula of (n / fps) + fixed_delay, where I don't (yet)
 know exact values of fixed_delay, but the number of frames is definitely
 somewhere between 3 and 6 inclusive.  Given the hardware, I suspect it's
 either 3 or 4, but a setting 5 frames with a 50ms fixed delay has been
 working reasonably OK so far.

 I still have to build a bit of custom equipment to try to accurately
 measure the delay before I can tune further.  Homebrew equipment can be
 all kinds of fun! :)

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Ticket URL: <https://code.mythtv.org/trac/ticket/13494#comment:3>
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