[MPlayer-users] upgraded, now having quality issues

[Bryan J. Opfer]

> [Automatic answer: RTFM (read DOCS, FAQ), also read DOCS/bugreports.html]
> On Tue, Jun 03, 2003 at 11:15:28AM -0700, Bryan J. Opfer wrote:
> > [Automatic answer: RTFM (read DOCS, FAQ), also read DOCS/bugreports.html]
> > I recently set up a new computer to encode my video captures.  So, I
> > figured I would start using the latest MPlayer as well.  I was using
> > MPlayer-0.90pre9 on my old system.  Since I have upgraded, I have noticed
> > the quality of my divx files has gone down.  There is a lot more
> > blockiness and the video looks pretty bad in high motion.
> >
> > My assumption is that some of the defaults changed between the pre version
> > and the release version.  I have read the man page many times and searched
> > the mailing list and found some threads about the options to get the best
> > quality, but it has not helped much.
> >
> > With my pre version of mplayer I used the following options:
> >
> > 	vcodec=mpeg4:vbitrate=1000:vhq:keyint=30:vpass=1
> >
> > and the same for vpass=2.
> >
> > With the latest mplayer I am using:
> >
> > 	vcodec=mpeg4:vbitrate=1000:vhq:v4mv:keyint=30:
> > 	vlelim=-4:vcelim=7:lumi_mask=0.05:dark_mask=0.01:vpass=1
>
> You should probably compare using the same options, not different
> ones...

I should have mentioned in the original email that I did try with the same
options and got poor quality there as well.

> > and, again, the same for vpass=2.
> >
> > Can anyone out there help me out with what options I should be using on
> > the latest version, so that I can get the same quality that I did in the
> > pre version?
>
> I would recommend reporting this to the ffmpeg-devel list, since it's
> probably not mplayer-specific. Also, keep in mind that a keyframe
> interval of 30 is going to give rather bad quality, since keyframes
> are very large. the default (something like 250) makes more sense, and
> you can just go up to 132 if you want to remain within the official
> mpeg4 spec.

I will change that and see what happens.  Also, I will consult the ffmpeg
list.

Thanks,
Bryan