Hi,
gst-v4l2 is open source in
https://developer.nvidia.com/embedded/r32-2-3_Release_v1.0/Sources/T210/public_sources.tbz2
Please remove the print in gstv4l2allocator.c and rebuild/replace libgstnvvideo4linux2.so
GST_WARNING_OBJECT (allocator, "V4L2 provided buffer has bytesused %"
G_GUINT32_FORMAT " which is too small to include data_offset %"
G_GUINT32_FORMAT, group->planes[i].bytesused,
group->planes[i].data_offset);