unsafe protected override void OnDispose()
{
DirectSoundWorld.criticalSection.Enter();
if (soundBuffers.Count != freeSoundBuffers.Count)
{
Log.Fatal("DirectSound.OnDispose: soundBuffers.Count == freeSoundBuffers.Count");
}
for (int n = soundBuffers.Count - 1; n >= 0; n--)
{
IDirectSoundBuffer *soundBuffer = (IDirectSoundBuffer *)soundBuffers[n].ToPointer();
IDirectSoundBuffer.Release(soundBuffer);
}
soundBuffers.Clear();
freeSoundBuffers.Clear();
if (waveFormat != null)
{
NativeUtils.Free((IntPtr)waveFormat);
waveFormat = null;
}
DirectSoundWorld.criticalSection.Leave();
base.OnDispose();
}
public unsafe IDirectSoundBuffer *GetBuffer(int needBufferSize)
{
if (freeSoundBuffers.Count == 0)
{
IDirectSoundBuffer *soundBuffer = CreateBuffer(needBufferSize);
if (soundBuffer == null)
{
return(null);
}
soundBuffers.Add((IntPtr)soundBuffer);
freeSoundBuffers.Push((IntPtr)soundBuffer);
}
if (soundBuffers.Count >= 256)
{
Log.Fatal("DirectSound.GetBuffer: soundBuffers.Count >= 256.");
}
return((IDirectSoundBuffer *)freeSoundBuffers.Pop().ToPointer());
}
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 bool FillSoundBuffersWithData()
{
IDirectSoundBuffer *soundBuffer = (IDirectSoundBuffer *)soundBuffers[0].ToPointer();
int hr;
void *lockedBuffer = null;
uint lockedBufferSize = 0;
hr = IDirectSoundBuffer.Lock(soundBuffer, 0, (uint)soundSamples.Length,
&lockedBuffer, &lockedBufferSize, (void **)null, (uint *)null, 0);
if (Wrapper.FAILED(hr))
{
DirectSoundWorld.Warning("IDirectSoundBuffer.Lock", hr);
return(false);
}
if ((int)lockedBufferSize < soundSamples.Length)
{
Log.Fatal("DirectSampleSound.FillSoundBuffersWithData: " +
"lockedBufferSize >= soundSamples->Length");
}
Marshal.Copy(soundSamples, 0, (IntPtr)lockedBuffer, soundSamples.Length);
if (soundSamples.Length < (int)lockedBufferSize)
{
// fill with silence remaining bytes
NativeUtils.FillMemory((IntPtr)((byte *)lockedBuffer + soundSamples.Length),
(int)lockedBufferSize - soundSamples.Length,
(byte)(waveFormat->wBitsPerSample == 8 ? 128 : 0));
}
IDirectSoundBuffer.Unlock(soundBuffer, lockedBuffer, lockedBufferSize, (void *)null, 0);
return(true);
}
unsafe protected override void PreDetachVirtualChannel()
{
DirectSoundWorld.criticalSection.Enter();
DirectFileStreamSound currentFileStreamSound = currentSound as DirectFileStreamSound;
if (currentFileStreamSound != null)
{
DirectSoundWorld.Instance.fileStreamRealChannels.Remove(this);
}
if (currentSound3DBuffer != null)
{
IDirectSound3DBuffer8.Release(currentSound3DBuffer);
currentSound3DBuffer = null;
}
if (currentSoundBuffer != null)
{
IDirectSoundBuffer.Stop(currentSoundBuffer);
currentSound.FreeBuffer(currentSoundBuffer);
currentSoundBuffer = null;
}
if (streamBuffer != null)
{
NativeUtils.Free((IntPtr)streamBuffer);
streamBuffer = null;
}
needStopAfterBufferRead = false;
streamBufferLength = 0;
needStopVirtualChannel = false;
currentSound = null;
DirectSoundWorld.criticalSection.Leave();
}
public unsafe void FreeBuffer(IDirectSoundBuffer *soundBuffer)
{
freeSoundBuffers.Push((IntPtr)soundBuffer);
}
unsafe void UpdateVolume2()
{
float value = CurrentVirtualChannel.GetTotalVolume() * CurrentVirtualChannel.GetRolloffFactor();
int volume;
if (value > 0.001f)
{
volume = (int)(20.0f * 100.0f * Math.Log10(value));
}
else
{
volume = DSound.DSBVOLUME_MIN;
}
if (volume < DSound.DSBVOLUME_MIN)
{
volume = DSound.DSBVOLUME_MIN;
}
if (volume > DSound.DSBVOLUME_MAX)
{
volume = DSound.DSBVOLUME_MAX;
}
//update volume for dublicate buffers (IDirectSoundBuffer8.SetVolume problem)
//it need have volume not equal to original buffer.
bool isOriginalBuffer = false;
IDirectSoundBuffer *originalBuffer = (IDirectSoundBuffer *)
currentSound.soundBuffers[0].ToPointer();
isOriginalBuffer = originalBuffer == currentSoundBuffer;
if (!isOriginalBuffer)
{
int originalBufferVolume = 0;
IDirectSoundBuffer.GetVolume(originalBuffer, out originalBufferVolume);
if (volume == originalBufferVolume)
{
if (volume == DSound.DSBVOLUME_MAX)
{
volume = DSound.DSBVOLUME_MAX - 1;
}
else
{
volume++;
}
}
}
//change volume
int hr = IDirectSoundBuffer.SetVolume(currentSoundBuffer, volume);
if (Wrapper.FAILED(hr))
{
DirectSoundWorld.Warning("IDirectSoundBuffer.SetVolume", hr);
}
//update volume of dublicate buffers
if (isOriginalBuffer)
{
List <DirectSoundRealChannel> realChannels = DirectSoundWorld.Instance.realChannels;
for (int nRealChannel = 0; nRealChannel < realChannels.Count; nRealChannel++)
{
DirectSoundRealChannel realChannel = realChannels[nRealChannel];
if (realChannel != this && realChannel.currentSound == currentSound)
{
realChannel.UpdateVolume();
}
}
}
}
unsafe protected override void PostAttachVirtualChannel()
{
DirectSoundWorld.criticalSection.Enter();
int hr;
currentSound = (DirectSound)CurrentVirtualChannel.CurrentSound;
bool mode3d = (int)(currentSound.Mode & SoundMode.Mode3D) != 0;
bool loop = (int)(currentSound.Mode & SoundMode.Loop) != 0;
//DirectSampleSound
DirectSampleSound currentSampleSound = currentSound as DirectSampleSound;
if (currentSampleSound != null)
{
int lastBufferCount = currentSound.soundBuffers.Count;
currentSoundBuffer = currentSound.GetBuffer(currentSampleSound.soundSamples.Length);
if (currentSoundBuffer == null)
{
PreDetachVirtualChannel();
DirectSoundWorld.criticalSection.Leave();
return;
}
bool needFillData = false;
if (lastBufferCount == 0)
{
needFillData = true;
}
bool restored = false;
if (!currentSound.RestoreSoundBuffers(out restored))
{
PreDetachVirtualChannel();
DirectSoundWorld.criticalSection.Leave();
return;
}
if (restored)
{
needFillData = true;
}
if (needFillData)
{
if (!currentSampleSound.FillSoundBuffersWithData())
{
PreDetachVirtualChannel();
DirectSoundWorld.criticalSection.Leave();
return;
}
}
}
//DirectFileStreamSound, DirectDataStreamSound
DirectFileStreamSound currentFileStreamSound = currentSound as DirectFileStreamSound;
DirectDataStreamSound currentDataStreamSound = currentSound as DirectDataStreamSound;
if (currentFileStreamSound != null || currentDataStreamSound != null)
{
int needBufferSize;
if (currentFileStreamSound != null)
{
int numSamples = (int)currentFileStreamSound.vorbisFile.pcm_total(-1);
int channels;
int rate;
currentFileStreamSound.vorbisFile.get_info(-1, out channels, out rate);
int sizeInBytes = numSamples * channels * 2;
needBufferSize = sizeInBytes / 2;
if (needBufferSize > 65536 * 2)
{
needBufferSize = 65536 * 2;
}
}
else
{
needBufferSize = currentDataStreamSound.creationBufferSize;
}
currentSoundBuffer = currentSound.GetBuffer(needBufferSize);
if (currentSoundBuffer == null)
{
PreDetachVirtualChannel();
DirectSoundWorld.criticalSection.Leave();
return;
}
streamBuffer = (byte *)NativeUtils.Alloc(NativeMemoryAllocationType.SoundAndVideo,
currentSound.bufferSize);
streamBufferLength = 0;
bool restored = false;
if (!currentSound.RestoreSoundBuffers(out restored))
{
PreDetachVirtualChannel();
DirectSoundWorld.criticalSection.Leave();
return;
}
if (restored)
{
//buffer will be cleared in the BeginStreamPlay()
}
}
//currentSound3DBuffer
if (mode3d)
{
void */*IDirectSound3DBuffer8*/ sound3DBuffer;
GUID guid = DSound.IID_IDirectSound3DBuffer8;
hr = IDirectSoundBuffer.QueryInterface(currentSoundBuffer, ref guid, &sound3DBuffer);
if (Wrapper.FAILED(hr))
{
PreDetachVirtualChannel();
DirectSoundWorld.Warning("IDirectSoundBuffer.QueryInterface", hr);
DirectSoundWorld.criticalSection.Leave();
return;
}
currentSound3DBuffer = (IDirectSound3DBuffer8 *)sound3DBuffer;
}
//update parameters
if (mode3d)
{
UpdatePosition2();
UpdateVelocity2();
}
else
{
UpdatePan2();
}
UpdatePitch2();
UpdateVolume2();
UpdateTime2();
if (currentFileStreamSound != null || currentDataStreamSound != null)
{
BeginStreamPlay();
}
uint playFlags = 0;
if (loop || currentFileStreamSound != null || currentDataStreamSound != null)
{
playFlags |= DSound.DSBPLAY_LOOPING;
}
hr = IDirectSoundBuffer.Play(currentSoundBuffer, 0, 0, playFlags);
if (Wrapper.FAILED(hr))
{
PreDetachVirtualChannel();
DirectSoundWorld.Warning("IDirectSoundBuffer.Play", hr);
DirectSoundWorld.criticalSection.Leave();
return;
}
if (currentFileStreamSound != null)
{
DirectSoundWorld.Instance.fileStreamRealChannels.Add(this);
}
needStopVirtualChannel = false;
DirectSoundWorld.criticalSection.Leave();
}
unsafe protected override void PreDetachVirtualChannel()
{
DirectSoundWorld.criticalSection.Enter();
DirectFileStreamSound currentFileStreamSound = currentSound as DirectFileStreamSound;
if( currentFileStreamSound != null )
DirectSoundWorld.Instance.fileStreamRealChannels.Remove( this );
if( currentSound3DBuffer != null )
{
IDirectSound3DBuffer8.Release( currentSound3DBuffer );
currentSound3DBuffer = null;
}
if( currentSoundBuffer != null )
{
IDirectSoundBuffer.Stop( currentSoundBuffer );
currentSound.FreeBuffer( currentSoundBuffer );
currentSoundBuffer = null;
}
if( streamBuffer != null )
{
NativeUtils.Free( (IntPtr)streamBuffer );
streamBuffer = null;
}
needStopAfterBufferRead = false;
streamBufferLength = 0;
needStopVirtualChannel = false;
currentSound = null;
DirectSoundWorld.criticalSection.Leave();
}
unsafe protected override void PostAttachVirtualChannel()
{
DirectSoundWorld.criticalSection.Enter();
int hr;
currentSound = (DirectSound)CurrentVirtualChannel.CurrentSound;
bool mode3d = (int)( currentSound.Mode & SoundMode.Mode3D ) != 0;
bool loop = (int)( currentSound.Mode & SoundMode.Loop ) != 0;
//DirectSampleSound
DirectSampleSound currentSampleSound = currentSound as DirectSampleSound;
if( currentSampleSound != null )
{
int lastBufferCount = currentSound.soundBuffers.Count;
currentSoundBuffer = currentSound.GetBuffer( currentSampleSound.soundSamples.Length );
if( currentSoundBuffer == null )
{
PreDetachVirtualChannel();
DirectSoundWorld.criticalSection.Leave();
return;
}
bool needFillData = false;
if( lastBufferCount == 0 )
needFillData = true;
bool restored = false;
if( !currentSound.RestoreSoundBuffers( out restored ) )
{
PreDetachVirtualChannel();
DirectSoundWorld.criticalSection.Leave();
return;
}
if( restored )
needFillData = true;
if( needFillData )
{
if( !currentSampleSound.FillSoundBuffersWithData() )
{
PreDetachVirtualChannel();
DirectSoundWorld.criticalSection.Leave();
return;
}
}
}
//DirectFileStreamSound, DirectDataStreamSound
DirectFileStreamSound currentFileStreamSound = currentSound as DirectFileStreamSound;
DirectDataStreamSound currentDataStreamSound = currentSound as DirectDataStreamSound;
if( currentFileStreamSound != null || currentDataStreamSound != null )
{
int needBufferSize;
if( currentFileStreamSound != null )
{
int numSamples = (int)currentFileStreamSound.vorbisFile.pcm_total( -1 );
int channels;
int rate;
currentFileStreamSound.vorbisFile.get_info( -1, out channels, out rate );
int sizeInBytes = numSamples * channels * 2;
needBufferSize = sizeInBytes / 2;
if( needBufferSize > 65536 * 2 )
needBufferSize = 65536 * 2;
}
else
{
needBufferSize = currentDataStreamSound.creationBufferSize;
}
currentSoundBuffer = currentSound.GetBuffer( needBufferSize );
if( currentSoundBuffer == null )
{
PreDetachVirtualChannel();
DirectSoundWorld.criticalSection.Leave();
return;
}
streamBuffer = (byte*)NativeUtils.Alloc( NativeMemoryAllocationType.SoundAndVideo,
currentSound.bufferSize );
streamBufferLength = 0;
bool restored = false;
if( !currentSound.RestoreSoundBuffers( out restored ) )
{
PreDetachVirtualChannel();
DirectSoundWorld.criticalSection.Leave();
return;
}
if( restored )
{
//buffer will be cleared in the BeginStreamPlay()
}
}
//currentSound3DBuffer
if( mode3d )
{
void*/*IDirectSound3DBuffer8*/ sound3DBuffer;
GUID guid = DSound.IID_IDirectSound3DBuffer8;
hr = IDirectSoundBuffer.QueryInterface( currentSoundBuffer, ref guid, &sound3DBuffer );
if( Wrapper.FAILED( hr ) )
{
PreDetachVirtualChannel();
DirectSoundWorld.Warning( "IDirectSoundBuffer.QueryInterface", hr );
DirectSoundWorld.criticalSection.Leave();
return;
}
currentSound3DBuffer = (IDirectSound3DBuffer8*)sound3DBuffer;
}
//update parameters
if( mode3d )
{
UpdatePosition2();
UpdateVelocity2();
}
else
UpdatePan2();
UpdatePitch2();
UpdateVolume2();
UpdateTime2();
if( currentFileStreamSound != null || currentDataStreamSound != null )
BeginStreamPlay();
uint playFlags = 0;
if( loop || currentFileStreamSound != null || currentDataStreamSound != null )
playFlags |= DSound.DSBPLAY_LOOPING;
hr = IDirectSoundBuffer.Play( currentSoundBuffer, 0, 0, playFlags );
if( Wrapper.FAILED( hr ) )
{
PreDetachVirtualChannel();
DirectSoundWorld.Warning( "IDirectSoundBuffer.Play", hr );
DirectSoundWorld.criticalSection.Leave();
return;
}
if( currentFileStreamSound != null )
DirectSoundWorld.Instance.fileStreamRealChannels.Add( this );
needStopVirtualChannel = false;
DirectSoundWorld.criticalSection.Leave();
}
