When sending the "clear" command to
[jit.qt.movie @colormode uyvy @adapt mode 1]
is the sent out black a "half wide" matrix of the loaded movie or is it a matrix of the movies dimension, or something else?
The matrix sent out in response to a bang following a clear message (the
clear message doesn’t cause any output by itself) is the same "uyvy
matrix" used by the movie for drawing into, so yes, half-width compared
to the viewing dimensions of the movie.