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.
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v2: loader/wine.inf: Enable ir50_32 video codec.
ir50_32: Implement decompression to 15-bit RGB.
https://gitlab.winehq.org/wine/wine/-/merge_requests/1301
Made changes to comdlg32/itemdlg.c to add missing controls, which are the address bar and the up button.
Updated bitmaps in comctl32 and SVG files for history icons.
My changes help to resolve this bug: https://bugs.winehq.org/show_bug.cgi?id=50338.
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v16: comdlg32: Add missing controls and their functionality to IFileDialog, or the common item dialog.
https://gitlab.winehq.org/wine/wine/-/merge_requests/672
> We need the read threads to always be running and returning their next sample because we then deliver them in PTS order.
Somewhat out of curiosity, did you check whether this still applies when DedicatedDeliveryThread is set?
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https://gitlab.winehq.org/wine/wine/-/merge_requests/1311#note_15869