[MPlayer-dev-eng] libmpeg2 V0.40b plays jerky/jumpy

[Diego Biurrun]

Jan Knutar writes:
> On Wednesday 25 August 2004 14:06, Michael Niedermayer wrote:
> > 
> > On Wednesday 25 August 2004 05:21, Jan Knutar wrote:
> > > > -vf spp still doesn't work..
> > >
> > > I've found situations where it doesn't work with ffmpeg either, so there's
> > > probably a bug in spp itself.
> > 
> > send bugreport ...
> 
> I have here an mpeg1 video, with sequence of 2 b frames.
> I can trigger the bug with any mpeg with b frames...
> 
> mplayer -vfm ffmpeg -vf spp=0 -vo xv clip.mpeg
> --> Looks like B frames aren't shown
> 
> mplayer -vfm ffmpeg -vf spp=0 -vo xmga clip.mpeg
> --> The screen flashes between grey and the clip itself.
> Pausing always pauses at the grey, never on the actual
> picture.
> 
> mplayer -vfm ffmpeg -vf spp=0 -dr -vo xv clip.mpeg
> -> Looks OK
> 
> mplayer -vfm ffmpeg -vf spp=0 -dr -vo xmga clip.mpeg
> -> Looks OK
> 
> Tested with current CVS. Was reproducible on any mpeg with
> B frames, so I hope it wont be necessary to upload sample...

Here is a small (2MB) sample that illustrates this:

http://mplayerhq.hu/~diego/bomb.mpeg

Diego