This video codec is used by games such as Richman 4, and Zwei: The Arges Adventure.
The decoder logic is based on code from the FFmpeg project.
-- v3: loader/wine.inf: Enable ir50_32 video codec. ir50_32: Implement decompression to 24-bit RGB. ir50_32: Implement IV50_DecompressGetFormat. ir50_32: Implement IV50_DecompressQuery. ir50_32: Implement IV50_GetInfo. ir50_32: Add stub dll.