Poweruser/OFPMonitor — comment on commit 9de573589781ec6dd189c464a07b4113c2a65f58
File: Unit2.cpp line 1862
By Poweruser:

This line failed and this->error was set to true, if the DirectShow filter being used by the OS to render the wave-file didn't support multichannel volume control. The MP3Timer cuts off the just started sound then.