BGM should not be played before ME when calling me_play and bgm_play together

[khiav223577]

I call me_play and bgm_play in order. It is expected to play the ME first, and then play the BGM when the ME stops.
It works in RPG Maker XP. But in mkxp, sometimes BGM will briefly play and then stop in less than one second.

Audio.me_play(prelude_name, 80, 100)
Audio.bgm_play('bgm_name', 80, 100)

I guess it is because ME is checked for every 10ms. In between every checks, BGM may play.

mkxp/src/audio.cpp

Line 235 in ae59fcd

SDL_Delay(AUDIO_SLEEP);