A few years back, I wrote some util library around DShow/DSound to let me play MP3s in a Windows C++ application. Is that still the normal way to do it in a C++/MFC app, or is that an area of DirectX that has been subsumed into the general Windows APIs?

The motivation is simply we use the standard Windows PlaySound method for WAVs, and would like to be able to play MP3s using a similarly simple API, either provided by Windows or something we write to wrap more complex functionality.

EDIT: this is for a large, commercial, closed-source project. And we only want to play things simply, paying a lot for a library won't fly.