BT UCRM1A - cr88192/bgbtech_misc GitHub Wiki

Idea:

• Simplistic video codec.
• Simplicity and speed will be priorities.
• Aim for better Q/bpp than MS-CRAM.
• 0ddd-rrrr gggg-bbbb pppp-pppp-pppp-pppp
  • 4x4x1, 12-bit RGB center point, distance (max-center).
• 10ii-iddd drrr-rrgg gggb-bbbb pppp-pppp
  • 8 pixel bits, 15-bit RGB center point, distance
  • iii: 0=2x2x2, 1=2x4x1, 2=Gradient, 3=4x2x1, 4/5=Table, 6=Skip, 7=Resv
  • Skip: 1011-0000 nnnn-nnnn
  • Skip: 1011-0001 rrrr-rrrr nnnn-nnnn nnnn-nnnn
  • Skip+Trans: 1011-0010 xxxx-xxxy yyyy-yynn nnnn-nnnn