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 void GenerateRecordDriverList()
{
DSENUMCALLBACKW callback = new DSENUMCALLBACKW(SoundCaptureCallback);
DSound.DirectSoundCaptureEnumerateW(callback, null);
recordDriverIndex = recordDriverGuids.Count != 0 ? 0 : -1;
}
public unsafe bool RestoreSoundBuffers(out bool restored)
{
IDirectSoundBuffer *soundBuffer = (IDirectSoundBuffer *)soundBuffers[0].ToPointer();
int hr;
restored = false;
uint status;
hr = IDirectSoundBuffer.GetStatus(soundBuffer, out status);
if (Wrapper.FAILED(hr))
{
DirectSoundWorld.Warning("IDirectSoundBuffer.GetStatus", hr);
return(false);
}
if ((status & DSound.DSBSTATUS_BUFFERLOST) != 0)
{
int DSERR_BUFFERLOST = DSound.Get_DSERR_BUFFERLOST();
// Since the app could have just been activated, then
// DirectSound may not be giving us control yet, so
// the restoring the buffer may fail.
// If it does, sleep until DirectSound gives us control.
do
{
hr = IDirectSoundBuffer.Restore(soundBuffer);
if (hr == DSERR_BUFFERLOST)
{
Thread.Sleep(10);
}
}while((hr = IDirectSoundBuffer.Restore(soundBuffer)) == DSERR_BUFFERLOST);
restored = true;
}
return(true);
}
unsafe public DirectCaptureSound(SoundMode mode, int channels, int frequency, int bufferSize)
{
SoundMode newMode = mode | SoundMode.Loop | SoundMode.Software;
int hr;
if (DirectSoundWorld.Instance.recordDriverIndex == -1)
{
DirectSoundWorld.Warning("Recording failed. No active device.");
return;
}
GUID deviceGuid = DirectSoundWorld.Instance.recordDriverGuids[
DirectSoundWorld.Instance.recordDriverIndex];
//soundCapture
void */*IDirectSoundCapture8*/ tempSoundCapture;
hr = DSound.DirectSoundCaptureCreate(&deviceGuid, out tempSoundCapture, null);
if (Wrapper.FAILED(hr))
{
DirectSoundWorld.Warning("DirectSoundCaptureCreate", hr);
return;
}
soundCapture = (IDirectSoundCapture8 *)tempSoundCapture;
//waveFormat
waveFormat = (WAVEFORMATEX *)NativeUtils.Alloc(NativeMemoryAllocationType.SoundAndVideo,
sizeof(WAVEFORMATEX));
NativeUtils.ZeroMemory((IntPtr)waveFormat, sizeof(WAVEFORMATEX));
waveFormat->wFormatTag = DSound.WAVE_FORMAT_PCM;
waveFormat->nChannels = (ushort)channels;
waveFormat->nSamplesPerSec = (uint)frequency;
waveFormat->wBitsPerSample = 16;
waveFormat->nBlockAlign = (ushort)((waveFormat->nChannels * waveFormat->wBitsPerSample) / 8);
waveFormat->nAvgBytesPerSec = waveFormat->nSamplesPerSec * waveFormat->nBlockAlign;
//captureBuffer
DSCBUFFERDESC bufferDesc = new DSCBUFFERDESC();
//ZeroMemory( &bufferDesc, sizeof( DSCBUFFERDESC ) );
bufferDesc.dwSize = (uint)sizeof(DSCBUFFERDESC);
bufferDesc.dwBufferBytes = (uint)bufferSize;
bufferDesc.lpwfxFormat = waveFormat;
void */*IDirectSoundCaptureBuffer*/ tempCaptureBuffer;
hr = IDirectSoundCapture8.CreateCaptureBuffer(soundCapture,
ref bufferDesc, out tempCaptureBuffer, null);
if (Wrapper.FAILED(hr))
{
DirectSoundWorld.Warning("CreateCaptureBuffer", hr);
IDirectSoundCapture8.Release(soundCapture);
soundCapture = null;
return;
}
captureBuffer = (IDirectSoundCaptureBuffer *)tempCaptureBuffer;
//get bufferSize
DSCBCAPS bufferCaps = new DSCBCAPS();
//ZeroMemory( &bufferCaps, sizeof( DSCBCAPS ) );
bufferCaps.dwSize = (uint)sizeof(DSCBCAPS);
IDirectSoundCaptureBuffer.GetCaps(captureBuffer, ref bufferCaps);
this.bufferSize = (int)bufferCaps.dwBufferBytes;
Init(null, newMode, 100000.0f, channels, frequency);
}
public static void Error(string methodName, int /*HRESULT*/ result)
{
string error = DSound.GetOutString(DSound.DXGetErrorStringW(result));
Error(string.Format("{0} ({1})", error, methodName));
}
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);
}
