[MEncoder-users] Problem with MPEG2 on standalone DVD player

[Giacomo Comes]

On Thu, Oct 12, 2006 at 09:40:47AM +0300, Gennady Ovcharov wrote:
> Hi all,
> 
> I'm having problem to play in my standalone DVD player (Panasonic S49)
> a mpeg2 file made with mencoder.
> On TV screen I see appearance "light green square blocks".
> If I see mpeg2 file on my computer with mplayer - all fine.
> 
> I made:
> step1:
>   input stream - AVI source (1.avi)
> step2:
>   tunning mencoder for producing MPEG2+AC3 output file:
>       mencoder -vf scale=720:576,harddup -of mpeg -mpegopts \
>           format=dvd -srate 48000 -af lavcresample=48000 -ofps 25 \
>           -ovc lavc -oac lavc -lavcopts vcodec=mpeg2video:aspect=4/3: \
>           vrc_buf_size=1835:vrc_maxrate=9800:vbitrate=4900:keyint=15: \
>           acodec=ac3:abitrate=192:trell:mbd=2:dc=10:cbp:mv0 1.avi -o 1.mpg
> result: high quality MPEG2+AC3 file (if play on computer with mplayer)
> step3:
>   Using "DVDlab 1.53 Pro" for authorizing DVD image included 1.mpg
> step4:
>   Burn DVD-Video disk with Nero 7
> 
> Result of my works see above :(
> 
> I think maybe problem with my standalone player. I repeat all steps,
> but used Canopus ProCoder 2 as transcode tool.
> Result - surprise! All fine. And standalone player and computer.
> 
> If to say the truth, best quality file, that file produced with mencoder :)
> 
> 
> Probably anybody know the how and why of things.
> 
> Which parameters should I tune in mencoder to correct this problems?
> 
> 
> Thanks in advance and sorry for my english,
> 
I remember once that a user was having this kind of problem
(green square blocks). He was using a prebuild version of mplayer.
Once he compiled mplayer himself the problem disappeared.

If you haven't compiled mplayer yourself, give it a try.

Giacomo