void ThreadFunction()
{
unsafe
{
DSound.CoInitialize(null);
}
while (true)
{
criticalSection.Enter();
for (int n = 0; n < fileStreamRealChannels.Count; n++)
{
fileStreamRealChannels[n].UpdateStream();
}
criticalSection.Leave();
while (!IsActive())
{
Thread.Sleep(100);
}
Thread.Sleep(10);
if (needAbortThread)
{
break;
}
}
}
unsafe protected override bool InitLibrary(IntPtr mainWindowHandle,
int maxReal2DChannels, int maxReal3DChannels)
{
NativeLibraryManager.PreLoadLibrary("libogg");
NativeLibraryManager.PreLoadLibrary("libvorbis");
NativeLibraryManager.PreLoadLibrary("libvorbisfile");
NativeLibraryManager.PreLoadLibrary("DirectSoundNativeWrapper");
{
DSoundStructureSizes sizes = new DSoundStructureSizes();
sizes.Init();
DSoundStructureSizes originalSizes;
DSound.GetStructureSizes(out originalSizes);
FieldInfo[] fields = sizes.GetType().GetFields(
BindingFlags.Instance | BindingFlags.NonPublic | BindingFlags.Public);
foreach (FieldInfo field in fields)
{
int originalSize = (int)field.GetValue(originalSizes);
int size = (int)field.GetValue(sizes);
if (originalSize != size)
{
Log.Fatal("DirectXSoundSystem: Invalid unmanaged bridge. " +
"Invalid \"{0}\". Native size = \"{1}\". Managed size = \"{2}\".", field.Name,
originalSize, size);
return(false);
}
}
}
instance = this;
criticalSection = CriticalSection.Create();
DSound.CoInitialize(null);
int hr;
//create IDirectSound using the primary sound device
void */*IDirectSound8*/ directSoundTemp;
hr = DSound.DirectSoundCreate8(null, out directSoundTemp, null);
if (Wrapper.FAILED(hr))
{
if (hr == DSound.Get_DSERR_NODRIVER())
{
Log.InvisibleInfo("DirectXSoundSystem: No sound driver.");
return(false);
}
Error("DirectSoundCreate8", hr);
return(false);
}
directSound = (IDirectSound8 *)directSoundTemp;
//set DirectSound cooperative level
hWnd = mainWindowHandle;
hr = IDirectSound8.SetCooperativeLevel(directSound, hWnd, DSound.DSSCL_PRIORITY);
if (Wrapper.FAILED(hr))
{
Error("SetCooperativeLevel", hr);
return(false);
}
//set primary buffer format
{
hr = SetPrimaryBufferFormat(2, 44100, 16, false);
if (Wrapper.FAILED(hr))
{
hr = SetPrimaryBufferFormat(2, 22050, 16, true);
}
if (Wrapper.FAILED(hr))
{
return(false);
}
}
//get listener
{
void */*IDirectSoundBuffer*/ primaryBuffer = null;
// Obtain primary buffer, asking it for 3D control
DSBUFFERDESC bufferDesc = new DSBUFFERDESC();
//ZeroMemory( &bufferDesc, sizeof( DSBUFFERDESC ) );
bufferDesc.dwSize = (uint)sizeof(DSBUFFERDESC);
bufferDesc.dwFlags = DSound.DSBCAPS_CTRL3D | DSound.DSBCAPS_PRIMARYBUFFER;
hr = IDirectSound8.CreateSoundBuffer(directSound, ref bufferDesc,
out primaryBuffer, null);
if (Wrapper.FAILED(hr))
{
Error("CreateSoundBuffer", hr);
return(false);
}
void */*IDirectSound3DListener*/ listenerTemp = null;
GUID guid = DSound.IID_IDirectSound3DListener;
if (Wrapper.FAILED(hr = IDirectSoundBuffer.QueryInterface(primaryBuffer,
ref guid, &listenerTemp)))
{
IDirectSoundBuffer.Release(primaryBuffer);
Error("QueryInterface", hr);
return(false);
}
listener = (IDirectSound3DListener *)listenerTemp;
IDirectSoundBuffer.Release(primaryBuffer);
}
//update general parameters
{
DS3DLISTENER parameters = new DS3DLISTENER();
parameters.dwSize = (uint)sizeof(DS3DLISTENER);
IDirectSound3DListener.GetAllParameters(listener, ref parameters);
parameters.flDistanceFactor = 1;
parameters.flRolloffFactor = 0;
parameters.flDopplerFactor = DopplerScale;
hr = IDirectSound3DListener.SetAllParameters(listener, ref parameters, DSound.DS3D_IMMEDIATE);
if (Wrapper.FAILED(hr))
{
Warning("IDirectSound3DListener.SetAllParameters", hr);
}
}
GenerateRecordDriverList();
//Channels
realChannels = new List <DirectSoundRealChannel>();
for (int n = 0; n < maxReal2DChannels; n++)
{
DirectSoundRealChannel realChannel = new DirectSoundRealChannel();
AddRealChannel(realChannel, false);
realChannels.Add(realChannel);
}
for (int n = 0; n < maxReal3DChannels; n++)
{
DirectSoundRealChannel realChannel = new DirectSoundRealChannel();
AddRealChannel(realChannel, true);
realChannels.Add(realChannel);
}
fileStreamRealChannels = new List <DirectSoundRealChannel>();
thread = new Thread(new ThreadStart(ThreadFunction));
thread.CurrentCulture = new System.Globalization.CultureInfo("en-US");
thread.IsBackground = true;
thread.Start();
return(true);
}