>
> I wouldn't see that it would be difficult to write a yuvtool to copy  
> the chroma channels into the luma and show the video image this way.
> Maybe include it in a set of video tools to display more engineering  
> information about a yuv stream...
>

I have written a channel splitter available on my yuvtools page 
http://silicontrip.net/~mark/lavtools/ 
  called yuvdiag.

It's a bit of a hack job, but it shows the U and V channels in the  
luma channel.  You might find this useful to do noise diagnostics.
It also has a rudimentary chroma and luma scopes, which I would like  
to add axis information to.

I wouldn't mind adding more diagnostic features, if anyone has any  
suggestions.

Mark

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