[FFmpeg-user] alternating checkerboard

[Mark Filipak (ffmpeg)]

I don't know the details of the filters that work on pixels ('blend', for example). I hope a 
knowledgeable person will respond with suggestions.

I'd like to experiment with a filter that mixes pixels from 2 progressive streams on an alternating 
checkerboard pattern. Got any suggestions?
  _________________    _________________    _________________
|# # # # # # # # #   | % % % % % % % %    |#%#%#%#%#%#%#%#%#
| # # # # # # # #    |% % % % % % % % %   |%#%#%#%#%#%#%#%#%
|# # # # # # # # # + | % % % % % % % %  = |#%#%#%#%#%#%#%#%#
| # # # # # # # #    |% % % % % % % % %   |%#%#%#%#%#%#%#%#%
|# # # # # # # # #   | % % % % % % % %    |#%#%#%#%#%#%#%#%#


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