* c3 is straightforward
* c2 transform
* c3 preview
* alpha model
* Revert "alpha model": wrong quantization data
This reverts commit b50e573973.
* yuv looks good
* a55b
* const int
* block top deadzone
* new box alpha curve
* update k
* fix debug
* rhd use same offset
* box shift for rhd
* 7e3e
* set new thresh
* update ref
* explain
* remove e2e
* same metric thresh
* process isocc
* model
* cancel extra policy
* update numbers
* new model
* update cereal
* up cereal
Co-authored-by: Comma Device <device@comma.ai>