kleines Filmröllchen c748c0726a SoundPlayer: Don't enqueue samples depending on the GUI loop ...

Previously, SoundPlayer would read and enqueue samples in the GUI loop
(through a Timer). Apart from general problems with doing audio on the
GUI thread, this is particularly bad as the audio would lag or drop out
when the GUI lags (e.g. window resizes and moves, changing the
visualizer). As Piano does, now SoundPlayer enqueues more audio once the
audio server signals that a buffer has finished playing. The GUI-
dependent decoding is still kept as a "backup" and to start the entire
cycle, but it's not solely depended on. A queue of buffer IDs is used to
keep track of playing buffers and how many there are. The buffer
overhead, i.e. how many buffers "too many" currently exist, is currently
set to its absolute minimum of 2.

2022-01-02 22:18:37 +01:00

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