I have no idea what the problem is, but...
a) By "All Green" do you mean the output is a plain green picture,
or does the output simply have a greenish tint to it?
>> Can you encode you fils on the command line without using the lav2mpeg
>> script.
>> You command looks like that than:
>
Well, Steven challenged me so I whipped up a simple spatial filter to
operate on yuv4mpeg streams, y4mspatialfilter.
usage: y4mspatialfilter [-h] [-v] [-L lumaXtaps,lumaXBW,lumaYtaps,lumaYBW]
[-C chromaXtaps,chromaXBW,chromaYtaps,chromaYBW]
-v be somewha