Threshold should be check against Height*Width*NBands

[vincentsarago]

rio-cogeo/rio_cogeo/cogeo.py

Line 214 in 92bba3a

in_memory = vrt_dst.width * vrt_dst.height < IN_MEMORY_THRESHOLD

[vincentsarago]

I'm going to postpone this change after 2.0.0 because just adding band might not be enough (datatype might have a bigger impact)