//
public OpenALFileStreamSound(VirtualFileStream stream, bool closeStreamAfterReading,
SoundType soundType, string name, SoundMode mode, out bool initialized)
{
initialized = false;
if (soundType == SoundType.Unknown)
{
if (name != null)
{
soundType = GetSoundTypeByName(name);
}
else
{
soundType = GetSoundTypeByStream(stream);
}
}
if (soundType != SoundType.OGG)
{
Log.Warning(string.Format("Streaming is not supported for \"{0}\" files ({1}).",
soundType, name));
return;
}
vorbisFile = new VorbisFile.File();
vorbisFileReader = new VorbisFileReader(stream, closeStreamAfterReading);
if (!vorbisFileReader.OpenVorbisFile(vorbisFile))
{
vorbisFileReader.Dispose();
Log.Warning(string.Format("Creating sound \"{0}\" failed.", name));
return;
}
long numSamples = vorbisFile.pcm_total(-1);
vorbisFile.get_info(-1, out channels, out frequency);
//convert to mono for 3D
if ((mode & SoundMode.Mode3D) != 0 && channels == 2)
{
needConvertToMono = true;
channels = 1;
}
if (!GenerateBuffers(2))
{
Log.Warning("OpenALSoundSystem: Creating sound failed \"{0}\".", name);
return;
}
double length = (double)numSamples / (double)frequency;
Init(name, mode, (float)length, channels, frequency);
initialized = true;
}
public void Rewind()
{
if (vorbisFile != null)
{
vorbisFile.Dispose();
vorbisFile = null;
}
vorbisFileReader.RewindStreamToBegin();
vorbisFile = new VorbisFile.File();
if (!vorbisFileReader.OpenVorbisFile(vorbisFile))
{
Log.Warning("OpenALSoundSystem: Creating sound failed \"{0}\".", Name);
return;
}
}
unsafe public OpenALSampleSound( VirtualFileStream stream, SoundType soundType, string name,
SoundMode mode, out bool initialized )
{
initialized = false;
byte[] samples;
int sizeInBytes;
float timeLength;
if( string.Compare( Path.GetExtension( name ), ".ogg", true ) == 0 )
{
//ogg
VorbisFileReader vorbisFileReader = new VorbisFileReader( stream, false );
VorbisFile.File vorbisFile = new VorbisFile.File();
if( !vorbisFileReader.OpenVorbisFile( vorbisFile ) )
{
vorbisFile.Dispose();
vorbisFileReader.Dispose();
Log.Warning( "OpenALSoundSystem: Creating sound failed \"{0}\" (Reading failed).",
name );
return;
}
int numSamples = (int)vorbisFile.pcm_total( -1 );
vorbisFile.get_info( -1, out channels, out frequency );
timeLength = (float)vorbisFile.time_total( -1 );
sizeInBytes = numSamples * channels * 2;
samples = new byte[ sizeInBytes ];
fixed( byte* pSamples = samples )
{
int samplePos = 0;
while( samplePos < sizeInBytes )
{
int readBytes = vorbisFile.read( (IntPtr)( pSamples + samplePos ),
sizeInBytes - samplePos, 0, 2, 1, IntPtr.Zero );
if( readBytes <= 0 )
break;
samplePos += readBytes;
}
}
vorbisFile.Dispose();
vorbisFileReader.Dispose();
}
else if( string.Compare( Path.GetExtension( name ), ".wav", true ) == 0 )
{
//wav
string error;
if( !WavLoader.Load( stream, out channels,
out frequency, out samples, out sizeInBytes, out error ) )
{
Log.Warning( "OpenALSoundSystem: Creating sound failed \"{0}\" ({1}).",
name, error );
return;
}
timeLength = (float)( samples.Length / channels / 2 ) / (float)frequency;
}
else
{
Log.Warning( "OpenALSoundSystem: Creating sound failed \"{0}\" (Unknown file type).",
name );
return;
}
//create buffer
Al.alGenBuffers( 1, out alBuffer );
int alFormat = ( channels == 1 ) ? Al.AL_FORMAT_MONO16 : Al.AL_FORMAT_STEREO16;
//bug fix: half volume mono 2D sounds
//convert to stereo
if( ( mode & SoundMode.Mode3D ) == 0 && alFormat == Al.AL_FORMAT_MONO16 )
{
byte[] stereoSamples = new byte[ sizeInBytes * 2 ];
for( int n = 0; n < sizeInBytes; n += 2 )
{
stereoSamples[ n * 2 + 0 ] = samples[ n ];
stereoSamples[ n * 2 + 1 ] = samples[ n + 1 ];
stereoSamples[ n * 2 + 2 ] = samples[ n ];
stereoSamples[ n * 2 + 3 ] = samples[ n + 1 ];
}
samples = stereoSamples;
alFormat = Al.AL_FORMAT_STEREO16;
sizeInBytes *= 2;
}
//convert to mono for 3D
if( ( mode & SoundMode.Mode3D ) != 0 && channels == 2 )
{
byte[] oldSamples = samples;
samples = new byte[ oldSamples.Length / 2 ];
for( int n = 0; n < samples.Length; n += 2 )
{
samples[ n + 0 ] = oldSamples[ n * 2 + 0 ];
samples[ n + 1 ] = oldSamples[ n * 2 + 1 ];
}
alFormat = Al.AL_FORMAT_MONO16;
sizeInBytes /= 2;
}
fixed( byte* pSamples = samples )
{
Al.alBufferData( alBuffer, alFormat, pSamples, sizeInBytes, frequency );
}
if( OpenALSoundWorld.CheckError() )
{
Log.Warning( "OpenALSoundSystem: Creating sound failed \"{0}\".", name );
return;
}
Init( name, mode, timeLength, channels, frequency );
initialized = true;
}
//
public OpenALFileStreamSound( VirtualFileStream stream, bool closeStreamAfterReading,
SoundType soundType, string name, SoundMode mode, out bool initialized )
{
initialized = false;
if( soundType == SoundType.Unknown )
{
if( name != null )
soundType = GetSoundTypeByName( name );
else
soundType = GetSoundTypeByStream( stream );
}
if( soundType != SoundType.OGG )
{
Log.Warning( string.Format( "Streaming is not supported for \"{0}\" files ({1}).",
soundType, name ) );
return;
}
vorbisFile = new VorbisFile.File();
vorbisFileReader = new VorbisFileReader( stream, closeStreamAfterReading );
if( !vorbisFileReader.OpenVorbisFile( vorbisFile ) )
{
vorbisFileReader.Dispose();
Log.Warning( string.Format( "Creating sound \"{0}\" failed.", name ) );
return;
}
long numSamples = vorbisFile.pcm_total( -1 );
vorbisFile.get_info( -1, out channels, out frequency );
//convert to mono for 3D
if( ( mode & SoundMode.Mode3D ) != 0 && channels == 2 )
{
needConvertToMono = true;
channels = 1;
}
if( !GenerateBuffers( 2 ) )
{
Log.Warning( "OpenALSoundSystem: Creating sound failed \"{0}\".", name );
return;
}
double length = (double)numSamples / (double)frequency;
Init( name, mode, (float)length, channels, frequency );
initialized = true;
}
unsafe public OpenALSampleSound(VirtualFileStream stream, SoundType soundType, string name, SoundModes mode, out bool initialized)
{
initialized = false;
byte[] samples;
int sizeInBytes;
float timeLength;
if (string.Compare(Path.GetExtension(name), ".ogg", true) == 0)
{
//ogg
VorbisFileReader vorbisFileReader = new VorbisFileReader(stream, false);
VorbisFile.File vorbisFile = new VorbisFile.File();
if (!vorbisFileReader.OpenVorbisFile(vorbisFile))
{
vorbisFile.Dispose();
vorbisFileReader.Dispose();
Log.Warning("OpenALSoundSystem: Creating sound failed \"{0}\" (Reading failed).", name);
return;
}
int numSamples = (int)vorbisFile.pcm_total(-1);
vorbisFile.get_info(-1, out channels, out frequency);
timeLength = (float)vorbisFile.time_total(-1);
sizeInBytes = numSamples * channels * 2;
samples = new byte[sizeInBytes];
fixed(byte *pSamples = samples)
{
int samplePos = 0;
while (samplePos < sizeInBytes)
{
int readBytes = vorbisFile.read((IntPtr)(pSamples + samplePos), sizeInBytes - samplePos, 0, 2, 1, IntPtr.Zero);
if (readBytes <= 0)
{
break;
}
samplePos += readBytes;
}
}
vorbisFile.Dispose();
vorbisFileReader.Dispose();
}
else if (string.Compare(Path.GetExtension(name), ".wav", true) == 0)
{
//wav
string error;
if (!WavLoader.Load(stream, out channels, out frequency, out samples, out sizeInBytes, out error))
{
Log.Warning("OpenALSoundSystem: Creating sound failed \"{0}\" ({1}).", name, error);
return;
}
timeLength = (float)(samples.Length / channels / 2) / (float)frequency;
}
else
{
Log.Warning("OpenALSoundSystem: Creating sound failed \"{0}\" (Unknown file type).", name);
return;
}
//create buffer
Al.alGenBuffers(1, out alBuffer);
int alFormat = (channels == 1) ? Al.AL_FORMAT_MONO16 : Al.AL_FORMAT_STEREO16;
//bug fix: half volume mono 2D sounds
//convert to stereo
if ((mode & SoundModes.Mode3D) == 0 && alFormat == Al.AL_FORMAT_MONO16)
{
byte[] stereoSamples = new byte[sizeInBytes * 2];
for (int n = 0; n < sizeInBytes; n += 2)
{
stereoSamples[n * 2 + 0] = samples[n];
stereoSamples[n * 2 + 1] = samples[n + 1];
stereoSamples[n * 2 + 2] = samples[n];
stereoSamples[n * 2 + 3] = samples[n + 1];
}
samples = stereoSamples;
alFormat = Al.AL_FORMAT_STEREO16;
sizeInBytes *= 2;
}
//convert to mono for 3D
if ((mode & SoundModes.Mode3D) != 0 && channels == 2)
{
byte[] oldSamples = samples;
samples = new byte[oldSamples.Length / 2];
for (int n = 0; n < samples.Length; n += 2)
{
samples[n + 0] = oldSamples[n * 2 + 0];
samples[n + 1] = oldSamples[n * 2 + 1];
}
alFormat = Al.AL_FORMAT_MONO16;
sizeInBytes /= 2;
}
fixed(byte *pSamples = samples)
Al.alBufferData(alBuffer, alFormat, pSamples, sizeInBytes, frequency);
if (OpenALSoundWorld.CheckError())
{
Log.Warning("OpenALSoundSystem: Creating sound failed \"{0}\".", name);
return;
}
Init(name, mode, timeLength, channels, frequency);
initialized = true;
}
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 & SoundModes.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
{
fileStreamVorbisFile?.Dispose();
fileStreamVorbisFile = null;
fileStreamVorbisFileReader.RewindStreamToBegin();
fileStreamVorbisFile = new VorbisFile.File();
if (!fileStreamVorbisFileReader.OpenVorbisFile(fileStreamVorbisFile))
{
Log.Warning("OpenALSoundSystem: Creating sound failed \"{0}\".", currentSound.Name);
return;
}
}
//fileStreamSound.Rewind();
FileStreamStartPlay();
//Pause = false;
Al.alSourcePlay(alSource);
OpenALSoundWorld.CheckError();
}
else
{
CurrentVirtualChannel.Stop();
}
}
}
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();
}