[MPlayer-users] PATCH for testing - fixes DVD delay?

[D Richard Felker III]

On Thu, Jan 16, 2003 at 01:39:26AM +0100, Arpi wrote:
> [Automatic answer: RTFM (read DOCS, FAQ), also read DOCS/bugreports.html]
> Hi,
> 
> > > Ok i've found a possible problem, around the mpeg-es demuxer's buffering.
> > > Here's a first try to fix, please test it (i have only a few discs and i
> > > can't really see that delay, at least sometimes 0 seems to be ok sometoimes
> > > -200ms... but probably it's just me or badly mastered disc)
> > >
> > > patch:  http://mplayerhq.hu/~arpi/dvd/pts-try1.diff
> 
> > Yes! AV-Sync is much better for me now. Compared rc2 against CVS. DVD: Diana 
> > Krall - Live In Paris, played through xvidix+hwac3. Here and there I suspect 
> > another 100ms missing but maybe it's just my imagination and/or wishful 
> 
> you see it right, there was - as i thought - B frames delay, causing
> another 100-120ms delay.
> 
> here's an updated patch:
> 
> http://mplayerhq.hu/~arpi/dvd/ptsfix2.diff
> 
> it fixes all delay for me and .so, please test and tell me if it works for
> you too.
> 
> note that i've finally found the problem:
> mpeg1 files have PTS for P & B frames too, but many mpeg2 files have PTS
> for I frames only. since I frames have 3 frames delay, using only (delayed)
> I as reference caused delay...
> 
> as a bonus (and testing material :)) this patch contains TELECINE detection
> and removal. it makes playback of telecined (24fps->30fps) mpegs smoother.

Cool! Does that mean we can do away with having to use -ofps with
mencoder?

Rich