BinkDX8SurfaceType@4 is a specific technical function within the Bink Video software library, typically found in the file binkw32.dll
In the context of DirectX 8 and the Bink SDK, surface types are enumerated numbers. While codes vary by SDK version, Type-4 typically correlates to specific texture formats—often (16-bit color) or a related uncompressed video surface format. Binkdx8surfacetype-4
Many users mistakenly try to fix DLL errors by putting files into Windows system folders. For Bink errors, the file be in the same folder as the game's main .exe file. Check C:\Windows\System32 or C:\Windows\SysWOW64 . Binkdx8surfacetype-4
If we accept the mapping Index 4 → ARGB8888, here’s how such a surface behaves in a DirectX 8/Bink integration: Binkdx8surfacetype-4