Auto-ETTR is performed on Auto-ETTR is performed on output stage, while converting from linear internal representation to gamma-corrected output in LibRaw::write_tiff_ppm or LibRaw::copy_mem_image -- Alex Tutubalin @LibRaw LLC reply
Auto-ETTR is performed on output stage, while converting from linear internal representation to gamma-corrected output in LibRaw::write_tiff_ppm or LibRaw::copy_mem_image