[mythtv-commits] Ticket #13334: Improved Video timing and Synchronization

[MythTV]

#13334: Improved Video timing and Synchronization
-------------------------------------+-------------------------------
 Reporter:  Peter Bennett            |          Owner:  Peter Bennett
     Type:  Patch - Feature          |         Status:  assigned
 Priority:  minor                    |      Milestone:  30.0
Component:  MythTV - Video Playback  |        Version:  Master Head
 Severity:  medium                   |     Resolution:
 Keywords:                           |  Ticket locked:  0
-------------------------------------+-------------------------------

Comment (by jpilk):

 Unfortunately that commit broke playback of DVB radio, where I normally
 see a blank screen.  I haven't tried it with the 'interactive' OSD or
 other visuals.

 The audio playback is chopped into brief chunks between longer gaps.  el7
 with old intel hardware gives this, while my f28 vdpau-box currently
 reports an even larger 'audio ahead' value of almost a day.

 I may be able to build with patches now, although I haven't done it yet.

 {{{

 2018-11-03 11:19:18.893017 I  Player(1): AV Sync, audio ahead by 28473771
 ms
 2018-11-03 11:19:18.922569 I  Player(1): AV Sync, audio ahead by 28473761
 ms
 2018-11-03 11:19:18.953193 I  Player(1): AV Sync, audio ahead by 28473751
 ms
 2018-11-03 11:19:18.982027 I  Player(1): Waiting for video buffers...
 2018-11-03 11:19:19.093990 N  Player(1): Waited 111ms for video buffers
 AUUUUUUUUUUUAAAAAAAAAAAAAAAAAAAP
 2018-11-03 11:19:19.201245 N  Player(1): Waited 219ms for video buffers
 AUUUUUUUUUUUAAAAAAAAAAAAAAAAAAAP

 ....

 2018-11-03 11:19:19.844902 N  Player(1): Waited 862ms for video buffers
 AUUUUUUUUUUUAAAAAAAAAAAAAAAAAAAP
 2018-11-03 11:19:19.952255 N  Player(1): Waited 970ms for video buffers
 AUUUUUUUUUUUAAAAAAAAAAAAAAAAAAAP
 2018-11-03 11:19:20.059534 N  Player(1): Waited 1077ms for video buffers
 AUUUUUUUUUUUAAAAAAAAAAAAAAAAAAAP
 2018-11-03 11:19:20.166880 N  Player(1): Waited 1184ms for video buffers
 AUUUUUUUUUUUAAAAAAAAAAAAAAAAAAAP
 2018-11-03 11:19:20.228758 I  Player(1): Resetting AV Sync2, lateness =
 1218000
 2018-11-03 11:19:20.228773 I  Player(1): AV Sync, audio ahead by 28477747
 ms
 2018-11-03 11:19:20.270954 I  Player(1): AV Sync, audio ahead by 28477749
 ms

 }}}

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Ticket URL: <https://code.mythtv.org/trac/ticket/13334#comment:11>
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