Video file and graphical item merging

[Nikko_FR]

Hi Guru's

I am looking for a way of merging video files (Avi's, Mpeg's) with graphical items..for example, a text, or a small picture (in C++ or C#).

Does someone know a efficient way to perform this kind of operation? (is there something related to an alpha layer on the graphical item? does someone know a good API to do it? etc etc...)

Many Thanks!

[Deniz]

Can you elaborate the main question? Like, are you trying to insert a frame or modify an image into an already existing frame of a video..?

[Nikko_FR]

not at all....my question was not precise.....I am looking gor an api (C++) or a common and known way of programming in order to develop a small application that will merge video items....

For the begining I would like to merge Avi with others graphics formats....for exemple adding a text to a movie.....

Finally I would like to make it possible with others formats like mpeg....

Scuse me for my bad "french" english :)

[Marc G]

Do you want this merging to happen only onscreen or to you want to store the result back into the video-file?

[Nikko_FR]

in fact I'd like both......but to start, I would take the second solution...take the result back in a file...

Thanks for your answers guys