[MEncoder-users] a question

[Nico Sabbi]

Kirill Radzikhovskyy wrote:

>Hey, I use mencoder to convert divx movies to DVD mpg, for further DVD
>authoring,
>dvdauthor only accepts MPEG files of certain resolution that corresponds to
>PAL DVD or NTSC DVD format
>Anyways, that was just introduction
>
>to convert movies i use (copyed from manual)
>
>mencoder -oac lavc -ovc lavc -of mpeg -mpegopts format=dvd -vf
>scale=720:576,harddup -srate 48000 -af lavcresample=48000 -lavcopts
>vcodec=mpeg2video:vrc_buf_size=1835:vrc_maxrate=9800:vbitrate=5000:keyint=15:acodec=ac3:abitrate=192:aspect=16/9
>-ofps 25  -o output.mpg input.avi
>
>That works fine with input files that have aspect ratio of 16/9.
>
>However I got this really weird movie, which is like extra wide :P
>its resolution is 640 x 272.
>When I use the listed above command, it literally shrinks it to 720:576 (pal
>dvd format) and all faces become like squashed.
>I was wondering , is there a way, not to scale it , but to cut that extra
>wideness to make it usual 16/9, for proper convertion
>
>Thanks in advance,
>
>Kirill R
>
>
>  
>
in this particular case I advise you not to rescale, but to simply use
-vf expand=720:576.
In general,
-vf scale=720:-10,expand=720:576 or use -vf dsize as explained in the manual