the unit of measurement for this filter is confused.
such as "jpeg.main_hdr.width == 80", it means "the original value is 80 (means 640 pixels) " or "the transform value (pixels) is 80 " ?
if it means the original value, the max value should be 255.
if it means the transform value, the max value should not be 255
i had did some test,when i use "jpeg.main_hdr.width == 80", it display blank,
when i use "jpeg.main_hdr.width > 255", the message with 640 pixels(the original value is 80 ) displayed,
it mean that the filter is "the transform value".
damker