problem with psp videos

[dakkes]

haay

i have put a movie on my psp
but when I see on my psp by videos
he said that he can't read it
does someone know how it works??

do I need a special program on my psp???

iee

[nusakan]

Can you be more specific?

[dakkes]

Can you be more specific?

I have convert a film from my psp and when I open it on my psp he said that he can't read the file. He said that there is no program for.
But do you know witch program I need to have to play Mp4 films on my psp??

please help me:p

iee