public override Sound SoundCreate(VirtualFileStream stream, bool closeStreamAfterReading,
SoundType soundType, SoundMode mode)
{
criticalSection.Enter();
OpenALSound sound;
bool initialized;
if ((int)(mode & SoundMode.Stream) == 0)
{
sound = new OpenALSampleSound(stream, soundType, null, mode, out initialized);
if (closeStreamAfterReading)
{
stream.Close();
}
}
else
{
sound = new OpenALFileStreamSound(stream, closeStreamAfterReading, soundType, null,
mode, out initialized);
}
if (!initialized)
{
sound.Dispose();
sound = null;
}
criticalSection.Leave();
return(sound);
}
unsafe bool FileStream(int alStreamBuffer)
{
OpenALFileStreamSound fileStreamSound = (OpenALFileStreamSound)currentSound;
int size = 0;
streamDataAvailable = true;
while (size < streamBufferSize)
{
byte *pointer = streamBuffer + size;
int readBytes = fileStreamSound.vorbisFile.read((IntPtr)pointer,
streamBufferSize - size, 0, 2, 1, IntPtr.Zero);
//convert to mono for 3D
if (readBytes > 0 && fileStreamSound.needConvertToMono)
{
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)
{
size += readBytes;
}
else
{
break;
}
}
if (size == 0)
{
streamDataAvailable = false;
return(false);
}
int alFormat = (currentSound.channels == 1) ? Al.AL_FORMAT_MONO16 :
Al.AL_FORMAT_STEREO16;
Al.alBufferData(alStreamBuffer, alFormat, streamBuffer, size, currentSound.frequency);
OpenALSoundWorld.CheckError();
return(true);
}
public override Sound SoundCreate(string name, SoundMode mode)
{
criticalSection.Enter();
OpenALSound sound;
sound = (OpenALSound)base.SoundCreate(name, mode);
if (sound != null)
{
criticalSection.Leave();
return(sound);
}
VirtualFileStream stream = CreateFileStream(name);
if (stream == null)
{
criticalSection.Leave();
Log.Warning(string.Format("Creating sound \"{0}\" failed.", name));
return(null);
}
bool initialized;
if ((mode & SoundMode.Stream) == 0)
{
sound = new OpenALSampleSound(stream, SoundType.Unknown, name, mode, out initialized);
stream.Close();
}
else
{
sound = new OpenALFileStreamSound(stream, true, SoundType.Unknown, name, mode,
out initialized);
}
if (!initialized)
{
sound.Dispose();
sound = null;
}
criticalSection.Leave();
return(sound);
}
public void UpdateFileStreamFromThread()
{
if (currentSound == null)
{
return;
}
//update buffers
int processed;
Al.alGetSourcei(alSource, Al.AL_BUFFERS_PROCESSED, out processed);
OpenALSoundWorld.CheckError();
while (processed != 0)
{
int alStreamBuffer = 0;
Al.alSourceUnqueueBuffers(alSource, 1, ref alStreamBuffer);
OpenALSoundWorld.CheckError();
FileStream(alStreamBuffer);
if (streamDataAvailable)
{
Al.alSourceQueueBuffers(alSource, 1, ref alStreamBuffer);
OpenALSoundWorld.CheckError();
}
processed--;
}
//play if buffer stopped (from behind internal buffers processed)
int state;
Al.alGetSourcei(alSource, Al.AL_SOURCE_STATE, out state);
OpenALSoundWorld.CheckError();
bool stoppedNoQueued = false;
if (state == Al.AL_STOPPED)
{
int queued;
Al.alGetSourcei(alSource, Al.AL_BUFFERS_QUEUED, out queued);
if (queued != 0)
{
Al.alSourcePlay(alSource);
}
else
{
stoppedNoQueued = true;
}
}
//file stream played
OpenALFileStreamSound fileStreamSound = (OpenALFileStreamSound)currentSound;
if (!streamDataAvailable && stoppedNoQueued)
{
if ((currentSound.Mode & SoundMode.Loop) != 0)
{
//loop play. we need recreate vorbis file
//stop and unqueues sources
Al.alSourceStop(alSource);
Al.alGetSourcei(alSource, Al.AL_BUFFERS_PROCESSED, out processed);
OpenALSoundWorld.CheckError();
while (processed != 0)
{
int alStreamBuffer = 0;
Al.alSourceUnqueueBuffers(alSource, 1, ref alStreamBuffer);
OpenALSoundWorld.CheckError();
processed--;
}
//recreate vorbis file
fileStreamSound.Rewind();
FileStreamStartPlay();
//Pause = false;
Al.alSourcePlay(alSource);
OpenALSoundWorld.CheckError();
}
else
{
CurrentVirtualChannel.Stop();
}
}
}
unsafe protected override void PostAttachVirtualChannel()
{
OpenALSoundWorld.criticalSection.Enter();
currentSound = (OpenALSound)CurrentVirtualChannel.CurrentSound;
OpenALSampleSound sampleSound = currentSound as OpenALSampleSound;
OpenALDataBufferSound streamSound = null;
OpenALFileStreamSound fileStreamSound = null;
OpenALDataStreamSound dataStreamSound = null;
if (sampleSound == null)
{
streamSound = currentSound as OpenALDataBufferSound;
fileStreamSound = currentSound as OpenALFileStreamSound;
dataStreamSound = currentSound as OpenALDataStreamSound;
}
//create streamBuffer
if (fileStreamSound != null)
{
int bufferSize = 0;
int numSamples = (int)fileStreamSound.vorbisFile.pcm_total(-1);
int channels;
int rate;
fileStreamSound.vorbisFile.get_info(-1, out channels, out rate);
if (fileStreamSound.needConvertToMono)
{
channels = 1;
}
int sizeInBytes = numSamples * channels * 2;
bufferSize = sizeInBytes / 2;
if (bufferSize > 65536 * 4)
{
bufferSize = 65536 * 4;
}
streamBufferSize = bufferSize;
streamBuffer = (byte *)NativeUtils.Alloc(NativeMemoryAllocationType.SoundAndVideo, streamBufferSize);
}
if (dataStreamSound != null)
{
streamBufferSize = dataStreamSound.bufferSize;
streamBuffer = (byte *)NativeUtils.Alloc(NativeMemoryAllocationType.SoundAndVideo,
streamBufferSize);
}
//init source
bool mode3d = (currentSound.Mode & SoundMode.Mode3D) != 0;
bool loop = (currentSound.Mode & SoundMode.Loop) != 0;
if (alSource == 0)
{
Al.alGenSources(1, out alSource);
if (OpenALSoundWorld.CheckError())
{
PreDetachVirtualChannel();
OpenALSoundWorld.criticalSection.Leave();
return;
}
}
if (sampleSound != null)
{
//no stream sound
Al.alSourcei(alSource, Al.AL_BUFFER, sampleSound.alBuffer);
if (OpenALSoundWorld.CheckError())
{
PreDetachVirtualChannel();
OpenALSoundWorld.criticalSection.Leave();
return;
}
}
if (fileStreamSound != null)
{
FileStreamStartPlay();
}
if (dataStreamSound != null)
{
DataStreamStartPlay();
}
Al.alSourcei(alSource, Al.AL_SOURCE_RELATIVE, mode3d ? Al.AL_FALSE : Al.AL_TRUE);
//update parameters
if (mode3d)
{
UpdatePosition2();
UpdateVelocity2();
}
else
{
UpdatePan2();
}
UpdatePitch2();
UpdateVolume2();
if (sampleSound != null)
{
Al.alSourcei(alSource, Al.AL_LOOPING, loop ? Al.AL_TRUE : Al.AL_FALSE);
}
else
{
Al.alSourcei(alSource, Al.AL_LOOPING, Al.AL_FALSE);
}
if (OpenALSoundWorld.CheckError())
{
PreDetachVirtualChannel();
OpenALSoundWorld.criticalSection.Leave();
return;
}
UpdateTime2();
//unpause
Al.alSourcePlay(alSource);
OpenALSoundWorld.CheckError();
//add to fileStreamChannels
if (fileStreamSound != null)
{
OpenALSoundWorld.Instance.fileStreamRealChannels.Add(this);
}
OpenALSoundWorld.criticalSection.Leave();
}
unsafe internal protected override void PostAttachVirtualChannel()
{
OpenALSoundWorld.criticalSection.Enter();
currentSound = (OpenALSound)CurrentVirtualChannel.Sound;
OpenALSampleSound sampleSound = currentSound as OpenALSampleSound;
OpenALDataBufferSound streamSound = null;
OpenALFileStreamSound fileStreamSound = null;
OpenALDataStreamSound dataStreamSound = null;
if (sampleSound == null)
{
streamSound = currentSound as OpenALDataBufferSound;
fileStreamSound = currentSound as OpenALFileStreamSound;
dataStreamSound = currentSound as OpenALDataStreamSound;
}
//create streamBuffer
if (fileStreamSound != null)
{
var stream = OpenALSoundWorld.CreateFileStream2(currentSound.Name);
if (stream == null)
{
//Log.Warning( string.Format( "Creating sound \"{0}\" failed.", currentSound.Name ) );
PreDetachVirtualChannel();
OpenALSoundWorld.criticalSection.Leave();
return;
}
fileStreamVorbisFile = new VorbisFile.File();
fileStreamVorbisFileReader = new VorbisFileReader(stream, true);
if (!fileStreamVorbisFileReader.OpenVorbisFile(fileStreamVorbisFile))
{
//Log.Warning( string.Format( "Creating sound \"{0}\" failed.", currentSound.Name ) );
PreDetachVirtualChannel();
OpenALSoundWorld.criticalSection.Leave();
return;
}
int numSamples = (int)fileStreamVorbisFile.pcm_total(-1);
fileStreamVorbisFile.get_info(-1, out var channels, out var frequency);
//int numSamples = (int)fileStreamSound.vorbisFile.pcm_total( -1 );
//fileStreamSound.vorbisFile.get_info( -1, out var channels, out var rate );
if (fileStreamSound.needConvertToMono)
{
channels = 1;
}
int sizeInBytes = numSamples * channels * 2;
int bufferSize = sizeInBytes / 2;
if (bufferSize > 65536 * 4)
{
bufferSize = 65536 * 4;
}
streamBufferSize = bufferSize;
streamBuffer = (byte *)NativeUtility.Alloc(NativeUtility.MemoryAllocationType.SoundAndVideo, streamBufferSize);
}
if (dataStreamSound != null)
{
streamBufferSize = dataStreamSound.bufferSize;
streamBuffer = (byte *)NativeUtility.Alloc(NativeUtility.MemoryAllocationType.SoundAndVideo, streamBufferSize);
}
//create al data buffers
if (fileStreamSound != null || dataStreamSound != null)
{
if (streamAlDataBuffers == null)
{
streamAlDataBuffers = new int[2];
fixed(int *pAlDataBuffers = streamAlDataBuffers)
Al.alGenBuffers(streamAlDataBuffers.Length, pAlDataBuffers);
if (OpenALSoundWorld.CheckError())
{
streamAlDataBuffers = null;
PreDetachVirtualChannel();
OpenALSoundWorld.criticalSection.Leave();
return;
}
}
}
//init source
bool mode3d = (currentSound.Mode & SoundModes.Mode3D) != 0;
bool loop = (currentSound.Mode & SoundModes.Loop) != 0;
if (alSource == 0)
{
Al.alGenSources(1, out alSource);
if (OpenALSoundWorld.CheckError())
{
PreDetachVirtualChannel();
OpenALSoundWorld.criticalSection.Leave();
return;
}
}
if (sampleSound != null)
{
//no stream sound
Al.alSourcei(alSource, Al.AL_BUFFER, sampleSound.alBuffer);
if (OpenALSoundWorld.CheckError())
{
PreDetachVirtualChannel();
OpenALSoundWorld.criticalSection.Leave();
return;
}
}
if (fileStreamSound != null)
{
FileStreamStartPlay();
}
if (dataStreamSound != null)
{
DataStreamStartPlay();
}
Al.alSourcei(alSource, Al.AL_SOURCE_RELATIVE, mode3d ? Al.AL_FALSE : Al.AL_TRUE);
//update parameters
if (mode3d)
{
UpdatePosition2();
UpdateVelocity2();
}
else
{
UpdatePan2();
}
UpdatePitch2();
UpdateVolume2();
if (sampleSound != null)
{
Al.alSourcei(alSource, Al.AL_LOOPING, loop ? Al.AL_TRUE : Al.AL_FALSE);
}
else
{
Al.alSourcei(alSource, Al.AL_LOOPING, Al.AL_FALSE);
}
if (OpenALSoundWorld.CheckError())
{
PreDetachVirtualChannel();
OpenALSoundWorld.criticalSection.Leave();
return;
}
UpdateTime2();
//unpause
Al.alSourcePlay(alSource);
OpenALSoundWorld.CheckError();
//add to fileStreamChannels
if (fileStreamSound != null)
{
OpenALSoundWorld.fileStreamRealChannels.Add(this);
}
OpenALSoundWorld.criticalSection.Leave();
}
public override Sound SoundCreate( VirtualFileStream stream, bool closeStreamAfterReading,
SoundType soundType, SoundMode mode )
{
criticalSection.Enter();
OpenALSound sound;
bool initialized;
if( (int)( mode & SoundMode.Stream ) == 0 )
{
sound = new OpenALSampleSound( stream, soundType, null, mode, out initialized );
if( closeStreamAfterReading )
stream.Close();
}
else
{
sound = new OpenALFileStreamSound( 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();
OpenALSound sound;
sound = (OpenALSound)base.SoundCreate( name, mode );
if( sound != null )
{
criticalSection.Leave();
return sound;
}
VirtualFileStream stream = CreateFileStream( name );
if( stream == null )
{
criticalSection.Leave();
Log.Warning( string.Format( "Creating sound \"{0}\" failed.", name ) );
return null;
}
bool initialized;
if( ( mode & SoundMode.Stream ) == 0 )
{
sound = new OpenALSampleSound( stream, SoundType.Unknown, name, mode, out initialized );
stream.Close();
}
else
{
sound = new OpenALFileStreamSound( stream, true, SoundType.Unknown, name, mode,
out initialized );
}
if( !initialized )
{
sound.Dispose();
sound = null;
}
criticalSection.Leave();
return sound;
}
