Re:Sierra digital cameras on the Apple II
by colinlm on Wednesday September 16, 2026 @08:49AM
(#49726196)
Author here.
Monochrome only, and it downscales. Only 1/4th of the pixels' IDCTs are computed, for "speed".
It is also hardcoded for 640x480 images, again, for "speed" :-)
It's based on picojpeg, heavily reworked to get rid of about all intermediate buffers, core decoder functions rewritten in assembly.
Monochrome only, and it downscales. Only 1/4th of the pixels' IDCTs are computed, for "speed". It is also hardcoded for 640x480 images, again, for "speed" :-)
It's based on picojpeg, heavily reworked to get rid of about all intermediate buffers, core decoder functions rewritten in assembly.