[MPlayer-users] mplayer playing 1080i60 video at half the speed (30fps)

[Pasi Kärkkäinen]

On Tue, Dec 08, 2009 at 09:25:00PM +0200, Uoti Urpala wrote:
> On Tue, 2009-12-08 at 17:49 +0000, Carl Eugen Hoyos wrote:
> > Pasi Kärkkäinen <pasik <at> iki.fi> writes:
> > 
> > > Link to the file in question:
> > > http://www.xen.org/media/Movies/XenSummitAsia09/2009-11-19-morning/Iandemo.MTS
> > 
> > Works fine with -demuxer lavf -nocorrect-pts
> 

Yeah, seems to work like this:
mplayer -vo vdpau -vc ffh264vdpau -nocorrect-pts -demuxer lavf Iandemo.MTS

(using the latest svn tree).

> For low enough values of "fine". As a rule of thumb using
> "-nocorrect-pts" together with "-demuxer lavf" will produce inaccurate
> results (it could work right if the video used a codec with no frame
> reordering, but in that case you'd never get any benefit from using it
> either). It can keep the timing inaccuracies in the old svn code from
> causing boundlessly increasing sync loss, but it will not give accurate
> timing. Try for example enabling time display on OSD and see what
> happens after about 20 seconds in the video.
> 

Hmm.. I was watching around one minute, and av-sync/lipsync still seemed ok.
Thanks for the replies!

-- Pasi