[MPlayer-users] introducing DVD-to-DivX approach that fixes A/V sync problems

Martin Collins martin at mkcollins.org
Sun Jul 10 04:58:02 CEST 2005


On Sat, 9 Jul 2005 17:09:54 +0200
Joachim Jautz <lists.mplayer-users at jay-jay.net> wrote:

> But for one of them the result was totally out of sync (one
> duplicate frame every ~1/2 sec). I attached the log file that
> was created during this failed test.
> I had to add -mc 0 -noskip in order to get it in sync but that's
> probably not the intended procedure.
...
> Video stream: ... 516.200 secs  11734 frames
> Audio stream: ... 469.224 secs

11734 / 516.2 = 22.7 frames per second
25fps * 469.224 = 11731 frames

So every tenth frame is being duplicated to bring the framerate up
to 25.

What you have here is a funky DVD, I expect Rich will know how best to
deal with it.

Martin




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