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For those who want the answer, it can be found in the SDL example http://wiki.videolan.org/LibVLC_SampleCode_SDL .

To access pixels, the callbacks have to be used. In the callback (unlock) function (defined by vlc see SDL example), a pointer to the pixels date is given.

Cheers,
KiD

Just to be more specific about my question. I'm using libvlc to decode videos in a c++ app (based on this code http://wiki.videolan.org/LibVLC_SampleCode_Qt ). So, libvlc decodes a video and pass the result to a window (Qt here). I want to do some processing on the image before I display it. This is...

Well...
Could you give me a link to some doc? (How to implement a plugin for example? or Some sample code...)

Hello!

How to get the data pointer on the decoded image (unsigned char* or char* or whatever)?
Is there any callback where I can get the pointer on the data each time a new image is decoded?

Thanks,
KiD

N.B.: I'm on Ubuntu 11.4. I have installed libvlc-dev 1.1.9 from synaptic (ubuntu ppa)