Ultra HDR is a true HDR image format, and is backcompatible. libultrahdr is the reference codec for the Ultra HDR format. The codecs that support the format can render the HDR intent of the image on HDR displays; other codecs can still decode and display the SDR intent of the image.
very large gainmap scale factors result in large heap requirements during ShepardsIDW instantiation. As large downsample factors are not beneficial from quality stand point and also for embedded devices profile point of view, add an upper bound to the config
very large gainmap scale factors result in large heap requirements during ShepardsIDW instantiation. As large downsample factors are not beneficial from quality stand point and also for embedded devices profile point of view, add an upper bound to the config
fixes oss-fuzz: 70927
Test: ./ultrahdr_unit_test