std::array<jxl::AuxOut::LayerTotals, kNumImageLayers> layers
size_t num_afv_blocks
size_t num_blocks
size_t num_dct16_blocks
size_t num_dct16x32_blocks
size_t num_dct32_blocks
size_t num_dct32x64_blocks
size_t num_dct4x8_blocks
size_t num_dct64_blocks
size_t num_dct8_blocks
size_t num_dct8x16_blocks
size_t num_dct8x32_blocks
size_t num_small_blocks