[FFmpeg-devel] Changing the color of the pixel

Víctor Paesa wzrlpy
Sat Apr 5 18:53:07 CEST 2008


Vitor Sessak said:
> Hi
> Vicente Soriano wrote:
>> Hi!
>> I'm trying to make a program that changes the color of some pixels by
>> another pixels (pixels from another video file, aka BlueScreening). I
>> have started to use the libavcodec functions, but i cannot access to
>> the color of the pixels. I guess it is in the "data" var of the
>> "AVFrame" struct, but, i don't know how to change the color. Sorry for
>> my bad english, and thanks for this community.
> I do not looks like you want your program to be part of the FFmpeg
> project. So this should be in libav-user mailing list.
> Also, since in average people who don't follow one rule do not follow
> the others, one tip: if you don't know already what "top-posting" is,
> google for it and don't do it in any ffmpeg-related mailing-list.

And instead of creating your own program it might be easier for you
to create a "bluescreening" video filter.

See http://wiki.multimedia.cx/index.php?title=Libavfilter


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