VC5Decompressor: support GoPro HERO10/HERO11 CFA pattern

[kmilos]

Should be a more performant variant of https://github.com/darktable-org/rawspeed/pull/308

Didn't bother w/ further generalization because of the 1 vs 2 vs many rule ;) (GPR codec seems to use only these 2 patterns)

[codecov[bot]]

Codecov Report

Merging #372 (7ab3837) into develop (d723728) will decrease coverage by 0.08%. The diff coverage is 42.42%.

@@             Coverage Diff             @@
##           develop     #372      +/-   ##
===========================================
- Coverage    59.58%   59.50%   -0.09%     
===========================================
  Files          207      207              
  Lines        12625    12643      +18     
  Branches      1766     1769       +3     
===========================================
  Hits          7523     7523              
- Misses        4964     4981      +17     
- Partials       138      139       +1     

Flag	Coverage Δ
integration	47.42% <46.66%> (-0.07%)	:arrow_down:
rpu_u	47.42% <46.66%> (-0.07%)	:arrow_down:
unittests	21.78% <0.00%> (-0.04%)	:arrow_down:

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
src/librawspeed/decompressors/VC5Decompressor.cpp	72.87% <42.42%> (-2.83%)	:arrow_down:

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[LebedevRI]

BTW, someone still needs to contribute a raw sample from GoPo HERO11 to https://raw.pixls.us/.

[kmilos]

Yeah, admittedly not the most elegant...