Comment # 47
on bug 76564
from Rainer Hochecker
(In reply to comment #41) > (In reply to comment #40) > > If you set "sync playback to display" in XBMC, an inaccurate clock has no > > impact on dropped or skipped frames. Suppose you only have a 24Hz mode and > > play material which is 23.976. It would slightly speed up playback: every > > vblank interval a frame is rendered. > > If you observe skipped frames, the render thread may have been blocked too > > long or a vertical retrace was missed. > > Hello FernetMenta, > > Thanks for commenting, as you are one of the experts on this subject in XBMC. > > "sync playback to display" is definately enabled on my system and still I am > seeing skipped or missed frames depending on if the clock is too slow or too > fast, respectively. > Also, the patches from Christian already proved that a clock that is closer > to the television display clock DOES have an influence on skipping/missing > frames. If the clock had no impact there wouldn't be a problem in the first > place. > > The posted xrandr logs also show my television does have a 23.976 mode. Again, a wrong speed does NOT have direct influence on dropped or skipped frames. If you see a some kind of relationship you have to look for the missing piece.
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