[MPlayer-users] Generate image file output with mencoder

[Reimar Döffinger]

James Board <jpboard2 at yahoo.com> wrote:
>>Since it is actually a bit trickier than that, your example line
>combined with that should be
>>mencoder IN.avi -nosound -ovc lavc -lavcopts vcodec=png:format=rgb24
>-of lavf -lavfopts format=image2 -vf >filmdint -ofps 24000/1001 -o
>ffmpeg://dummy://OUT%d.png
>
>Thanks, but what does the last part '-o ffmpeg://dummy://OUT%d.png' do?
>Does it somehow call ffmpeg to generate the file?

It is a way to tell ffmpeg what pattern it should use to name the files without MPlayer itself creating a file named like that. You could just use -o img%d.png but then you will get a nonsense empty file in addition to the actual output.