[MPlayer-users] "uncrop" for VCD
Nico Sabbi
nsabbi at tiscali.it
Wed Jul 28 14:41:22 CEST 2004
JiHO wrote:
> H du Plooy wrote:
>
>> Hi,
>>
>> I ran into the following problem. I have a couple of 16:9 format
>> AVIs that I want to make VCDs of. I found the relevant parameters
>> for this on this list. I get a mpeg output file in 4:3 format, but
>> the people in the movies have egg-head syndrom... If I remove the
>> bit that scales it to 4:3 (can't remember the specifics, it's at
>> home), and leave it to 16:9, the DVD player won't play it.
>>
>> So my question, is there a way to add the black bands at the bottom
>> and top? I'd rather have the black bands in a 4:3 format mpeg file
>> than loose some of the content.
>
>
> -vf expand. you have to calculate how much black you should add to
> your movie to make it 4:3. we discussed something related to this
> matter on this list. find the thread :
> [MPlayer-users] expand (and subtitles, again?)
>
> this was about an automated procedure to produce black bands on top
> and bottom of the movie to make it fit the screen's aspect ratio
> (which is in fact 4:3, so that could do the trick for you).
>
> the only problem I see is that I don't know if -vf expand works with
> mencoder. nothing against this in the manual so it should be ok.
expand works both with mplayer and mencoder.
The filter chain is:
-vf scale=352:-2,expand=352:288
it's not 100% accurate because you should consider the 384x288 size
implied by the 4/3 A/R setting, but it's close enough.
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