2.2.4

- Added tests (using xcode)
- Added a define to enable callback-based audio I/O instead of using actual audio devices
- Fixed a crash on Windows when there's no access to the microphone
- Misc fixes

os/windows/AudioInputWASAPI.cpp

@@ -321,6 +321,8 @@ DWORD WINAPI AudioInputWASAPI::StartThread(void* arg) {
 }
 
 void AudioInputWASAPI::RunThread() {
+	if(failed)
+		return;
 	SetThreadPriority(GetCurrentThread(), THREAD_PRIORITY_HIGHEST);
 
 	HANDLE waitArray[]={shutdownEvent, streamSwitchEvent, audioSamplesReadyEvent};