[vlc-devel] How to blend images only on Y channel?

[Peter Tap]

Folks,

In my video filter, I need to blend an image with the movie being shown. However, I just want to blend them on the Y channel without modifying the other two channels. I am wondering if anyone can share any insight on how this can be done. For the moment, I am just using filter_configureBlend and blending on all channels.

Thank you in advance for your help.

Regards,
Peter
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