bool all_default
uint32_t b_qm_scale
jxl::ColorTransform color_transform
uint32_t dc_level
jxl::FrameEncoding encoding
uint64_t extensions
std::vector<uint32_t> extra_channel_upsampling
uint64_t flags
jxl::FrameType frame_type
uint32_t group_size_shift
bool is_last
std::string name
uint32_t save_as_reference
uint32_t upsampling
uint32_t x_qm_scale