public override Sound SoundCreate(VirtualFileStream stream, bool closeStreamAfterReading,
SoundType soundType, SoundMode mode)
{
criticalSection.Enter();
DirectSound sound;
bool initialized;
if ((int)(mode & SoundMode.Stream) == 0)
{
sound = new DirectSampleSound(stream, soundType, null, mode, out initialized);
if (closeStreamAfterReading)
{
stream.Close();
}
}
else
{
sound = new DirectFileStreamSound(stream, closeStreamAfterReading, soundType, null,
mode, out initialized);
}
if (!initialized)
{
sound.Dispose();
sound = null;
}
criticalSection.Leave();
return(sound);
}
//file stream
unsafe int ReadDataFromFileStream(IntPtr buffer, int needRead)
{
DirectFileStreamSound currentFileStreamSound = (DirectFileStreamSound)currentSound;
while (streamBufferLength < needRead)
{
int readBytes = currentFileStreamSound.vorbisFile.read(
(IntPtr)(streamBuffer + streamBufferLength),
currentSound.bufferSize - streamBufferLength, 0, 2, 1, IntPtr.Zero);
//convert to mono for 3D
if (readBytes > 0 && currentFileStreamSound.needConvertToMono)
{
byte *pointer = (byte *)streamBuffer + streamBufferLength;
readBytes /= 2;
for (int n = 0; n < readBytes; n += 2)
{
*(pointer + n + 0) = *(pointer + n * 2 + 0);
*(pointer + n + 1) = *(pointer + n * 2 + 1);
}
}
if (readBytes > 0)
{
streamBufferLength += readBytes;
}
else
{
break;
}
}
if (streamBufferLength == 0)
{
return(0);
}
int totalReaded = Math.Min(streamBufferLength, needRead);
NativeUtils.CopyMemory(buffer, (IntPtr)streamBuffer, totalReaded);
streamBufferLength -= totalReaded;
if (streamBufferLength > 0)
{
NativeUtils.MoveMemory((IntPtr)streamBuffer, (IntPtr)(streamBuffer + totalReaded),
streamBufferLength);
}
return(totalReaded);
}
public override Sound SoundCreate(string name, SoundMode mode)
{
criticalSection.Enter();
DirectSound sound;
sound = (DirectSound)base.SoundCreate(name, mode);
if (sound != null)
{
criticalSection.Leave();
return(sound);
}
VirtualFileStream stream = CreateFileStream(name);
if (stream == null)
{
criticalSection.Leave();
DirectSoundWorld.Warning(string.Format("Creating sound \"{0}\" failed.", name));
return(null);
}
bool initialized;
if ((int)(mode & SoundMode.Stream) == 0)
{
sound = new DirectSampleSound(stream, SoundType.Unknown, name,
mode, out initialized);
stream.Close();
}
else
{
sound = new DirectFileStreamSound(stream, true, SoundType.Unknown,
name, mode, out initialized);
}
if (!initialized)
{
sound.Dispose();
sound = null;
}
criticalSection.Leave();
return(sound);
}
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();
}
unsafe void UpdateStreamBuffer(bool firstPart)
{
DirectFileStreamSound currentFileStreamSound = currentSound as DirectFileStreamSound;
void *lockedBuffer = null;
uint lockedBufferSize = 0;
int hr = IDirectSoundBuffer.Lock(currentSoundBuffer,
(uint)(firstPart ? 0 : currentSound.bufferSize / 2),
(uint)(currentSound.bufferSize / 2), &lockedBuffer, &lockedBufferSize,
(void **)null, (uint *)null, 0);
if (Wrapper.FAILED(hr))
{
DirectSoundWorld.Warning("IDirectSoundBuffer.Lock", hr);
return;
}
if ((int)lockedBufferSize < currentSound.bufferSize / 2)
{
Log.Fatal("DirectSoundRealChannel.UpdateStreamBuffer: " +
"lockedBufferSize >= currentSound->bufferSize / 2.");
}
bool repeated = false;
int readed = 0;
again:
if (currentFileStreamSound != null)
{
readed += ReadDataFromFileStream((IntPtr)((byte *)lockedBuffer + readed),
currentSound.bufferSize / 2 - readed);
}
else
{
readed += ReadDataFromDataStream((IntPtr)((byte *)lockedBuffer + readed),
currentSound.bufferSize / 2 - readed);
}
if (readed < currentSound.bufferSize / 2)
{
NativeUtils.FillMemory((IntPtr)((byte *)lockedBuffer + readed),
(int)lockedBufferSize - readed,
(byte)(currentSound.waveFormat->wBitsPerSample == 8 ? 128 : 0));
if ((int)(currentSound.Mode & SoundMode.Loop) != 0)
{
if (currentFileStreamSound != null)
{
//loop play. we need recreate vorbis file
currentFileStreamSound.Rewind();
if (!repeated)
{
repeated = true;
goto again;
}
}
}
}
if (readed == 0)
{
//need stop
if ((int)(currentSound.Mode & SoundMode.Loop) == 0)
{
if (currentFileStreamSound != null)
{
needStopAfterBufferRead = true;
}
}
}
IDirectSoundBuffer.Unlock(currentSoundBuffer, lockedBuffer, lockedBufferSize, null, 0);
}
public override Sound SoundCreate( VirtualFileStream stream, bool closeStreamAfterReading,
SoundType soundType, SoundMode mode )
{
criticalSection.Enter();
DirectSound sound;
bool initialized;
if( (int)( mode & SoundMode.Stream ) == 0 )
{
sound = new DirectSampleSound( stream, soundType, null, mode, out initialized );
if( closeStreamAfterReading )
stream.Close();
}
else
{
sound = new DirectFileStreamSound( stream, closeStreamAfterReading, soundType, null,
mode, out initialized );
}
if( !initialized )
{
sound.Dispose();
sound = null;
}
criticalSection.Leave();
return sound;
}
public override Sound SoundCreate( string name, SoundMode mode )
{
criticalSection.Enter();
DirectSound sound;
sound = (DirectSound)base.SoundCreate( name, mode );
if( sound != null )
{
criticalSection.Leave();
return sound;
}
VirtualFileStream stream = CreateFileStream( name );
if( stream == null )
{
criticalSection.Leave();
DirectSoundWorld.Warning( string.Format( "Creating sound \"{0}\" failed.", name ) );
return null;
}
bool initialized;
if( (int)( mode & SoundMode.Stream ) == 0 )
{
sound = new DirectSampleSound( stream, SoundType.Unknown, name,
mode, out initialized );
stream.Close();
}
else
{
sound = new DirectFileStreamSound( stream, true, SoundType.Unknown,
name, mode, out initialized );
}
if( !initialized )
{
sound.Dispose();
sound = null;
}
criticalSection.Leave();
return sound;
}
