~~And remove the RGB24 without a mask since all the cases that were handled are now handled without a mask.
RV24 is mapped to
VLC_CODEC_BGR24 which corresponded to the default mask on Little-Endian machines.~~
Draft on top of !4024 (merged) to make rebasing easier.
- rebase on master to get the new interop_sw code
- rework some bogus assumption that the mask to memory order depends on endianness
- fix some
- handle the blend component shift per chroma with a function
v19: Draft on top of !4269 (closed)