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@@ -10,6 +10,13 @@ transposed, to stdout.
.P
To transpose a videos means to swap the
X and Y coordinates.
+.SH REQUIREMENTS
+.B blind-transpose
+requires enough free memory to load two full frames into
+memory. A frame requires 32 bytes per pixel it contains.
+.B blind-transpose
+has not been optimised for memory usage, but instead
+for code simplicity.
.SH SEE ALSO
.BR blind (7),
.BR blind-flip (1),