Hello, According to the OpenEXR file specification (https://www.openexr.com/documentation/openexrfilelayout.pdf or https://openexr.readthedocs.io/en/latest/) it also supports 32 bit unsigned integer per pixel and an arbitrary amount of channels. I cannot find a 32 bit integer pixel format in ffmpeg and this (https://github.com/FFmpeg/FFmpeg/blob/5aabb2596f409e5871d11e99acdda214f11b400f/libavcodec/exrenc.c#L548) looks like ffmpeg wants 32 bit floats for openexr and even in rgba format (if I understand the specification correctly OpenEXR can have one channel per pixel too). Is it still possible to write one 32 bit integer channel to openexr using ffmpeg or is this not possible? And if it is not possible, can it please be added so that it adheres fully to the specs of EXR?
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