[MPlayer-users] LAVC optimizations

[Filip Kalinski]

On Wed, Jan 04, 2023 at 10:03:11PM +0000, nico wrote:
                ^^^^ ?!?!
> [Automatic answer: RTFM (read DOCS, FAQ), also read DOCS/bugreports.html]
> 
> 
> Hi,
> 
> every time I encode in Mpeg1video with 2 passes at VCD resolution  I
> notice that black areas are never really black, but full of many little
> greyish blocks (also in the case of horizontal border stripes).
> 
> 
> Another problem is the presence of mosquito noise.
> 
> The command I use is:
> 
> mencoder -nosound -ovc lavc -lavcopts 
> vpass=1:vcodec=mpeg1video:vhq=1:vbitrate=963:keyint=15:vrc_maxrate=2500:vqmax=12 1.mpg -o film.mpg -of mpeg -vop pp,expand=352:288,scale=352:272,crop=718:554:2:10,pp -pp 0x2007f -sws 2
> 
> 
> I wonder if adding a dark_mask or some other kind of preprocessing may
> help.
> 
> Please, can anyone advice on the best way to  encode?
> 

I will not tell you that, but I can advice you to put back yout system
clock 20 years back :-))

-- 
Filip Kalinski <filon at pld.org.pl>