Query the fading status of the music stream.
Defined in <SDL_mixer.h>
void); Mix_Fading Mix_FadingMusic(
(Mix_Fading) Returns the current fading status of the music stream.
This reports one of three values:
If music is not currently playing, this returns MIX_NO_FADING
.
This function is available since SDL_mixer 2.0.0.