void Mediator::Play(Type type, Company company)
{
//Set requested device
if (SetActiveDevice(type, company)){
active_Player->play(); //Play on successful set
}
else{
cout << "Device already active or no such device in console" << endl;
}
}
bool FAudioDeviceManager::ShutdownAudioDevice(uint32 Handle)
{
if (!IsValidAudioDeviceHandle(Handle))
{
return false;
}
check(NumActiveAudioDevices > 0);
--NumActiveAudioDevices;
// If there are more than 1 device active, check to see if this handle is the main audio device handle
if (NumActiveAudioDevices >= 1)
{
uint32 MainDeviceHandle = GEngine->GetAudioDeviceHandle();
if (NumActiveAudioDevices == 1)
{
// If we only have one audio device left, then set the active
// audio device to be the main audio device
SetActiveDevice(MainDeviceHandle);
}
// If this is the main device handle and there's more than one reference to the main device,
// don't shut it down until it's the very last handle to get shut down
// this is because it's possible for some PIE sessions to be using the main audio device as a fallback to
// preserve CPU performance on low-performance machines
if (NumWorldsUsingMainAudioDevice > 0 && MainDeviceHandle == Handle)
{
--NumWorldsUsingMainAudioDevice;
return true;
}
}
uint32 Index = GetIndex(Handle);
uint8 Generation = GetGeneration(Handle);
check(int32(Index) < Generations.Num());
// Bump up the generation at the given index. This will invalidate
// the handle without needing to broadcast to everybody who might be using the handle
Generations[Index] = ++Generation;
// Make sure we have a non-null device ptr in the index slot, then delete it
FAudioDevice* AudioDevice = Devices[Index];
check(AudioDevice != nullptr);
// Tear down the audio device
AudioDevice->Teardown();
delete AudioDevice;
// Nullify the audio device slot for future audio device creations
Devices[Index] = nullptr;
// Add this index to the list of free indices
++FreeIndicesSize;
FreeIndices.Enqueue(Index);
return true;
}
