https://github.com/mixxxdj/mixxx/blob/9da873a777a147a3afadfb3a988ec42112359d1e/src/effects/effectrack.cpp#L431
https:/ /github. com/mixxxdj/ mixxx/blob/ 9da873a777a147a 3afadfb3a988ec4 2112359d1e/ src/effects/ effectrack. cpp#L431