libultrahdr
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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...
These 2 patches add a Arm Neon version for the YUV color gamut conversion as well as the transformYuv420 function.
Test: ./ultrahdr_unit_test Change-Id: I4d42d152db2d1c0ddbaf797505fb117d52c7d2bf
When encoding, the output always seems to be a gain map with 1:4 resolution. This can cause unwanted artifacts in high frequency detail. It would be ideal to have options...
I'm seeing an error ("encountered error while parsing metadata") when using the following command to decode sample JPGs from Adobe: `ultrahdr_app -m 1 -j 04.jpg` Sample images may be found...
Hello. I'm considering to use this library on our media server implementation. In my case, I'm using RHEL(Redhat Enterprise Linux)7 compliant distribution (CentOS 7) In the case of the Linux...
It would be super to have brew formula for this library so people can use it as a delegate for homebrew imagemagick
Image taken on telephoto or ultrawide lens of pixel 6 pro does give this error. normal lens works fine.  I checked the image and everything appears to...
I encountered an issue when combining the SDR base image with the YUV image. The error I received was "Encountered error during encodeJPEGR call, error code -20002." Interestingly, when I...
The gain map spec allows gain maps with either single channel (luminance only) and multi-channel (RGB values in the map and metadata to allow hue/saturation correction as well). Currrently, libultrahdr...