[MPlayer-dev-eng] [PATCH] -autosync corrected A/V sync
lksi at cfht.hawaii.edu
Wed Oct 2 00:45:26 CEST 2002
On Wed, Oct 02, 2002 at 12:10:53AM +0200, Arpi wrote:
> > > Here's the A/V sync patch. Please see the description in the part
> > > of the patch for the man page. (I put it where -dapsync was, but
> > > you may want to move it down to the stream options? ... rename the
> > > option itself? ... whatever you like.) The important thing is it
> > > should be evident from the patch that the default, -autosync 0,
> > > does NOT change the normal sync model of mplayer at all this time!
> > yes, but it seems that you completely ignore the get_delay() result for
> > autosync!=0, it's bad. it must not be ignored, just smoothened.
> > or is there any hidden sideeffect i didn't notice?
> argh i'm so dumb :)
> didn't notice this:
> + float difference = delay - predicted;
> + delay = predicted + difference / (float)autosync;
> so right before kicking out the old value of 'delay' it's used for
> calculating the difference...
No prob. It is less convoluted than my last attempt but still a
little tricky, I admit. Proving that it converges on the proper
A/V sync value is even more tricky... but it should. Let's give
some people the chance to try it this way and see how it works, if
Be seeing you,
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