int ReadDataFromDataStream(IntPtr buffer, int needRead)
{
OpenALDataStreamSound currentDataStreamSound = (OpenALDataStreamSound)currentSound;
if (tempDataStreamReadArray.Length < needRead)
{
tempDataStreamReadArray = new byte[needRead];
}
int readed = currentDataStreamSound.dataReadCallback(tempDataStreamReadArray, 0,
needRead);
if (readed != 0)
{
Marshal.Copy(tempDataStreamReadArray, 0, buffer, readed);
}
if (readed < 16)
{
readed = Math.Min(needRead, 16);
NativeUtils.ZeroMemory(buffer, readed);
}
return(readed);
}
//!!!!было. file stream менялся, пока отключено
//protected override Sound _SoundCreate( VirtualFileStream stream, bool closeStreamAfterReading, SoundType soundType, SoundModes mode )
//{
// criticalSection.Enter();
// OpenALSound sound;
// bool initialized;
// if( (int)( mode & SoundModes.Stream ) == 0 )
// {
// sound = new OpenALSampleSound( stream, soundType, null, mode, out initialized );
// if( closeStreamAfterReading )
// stream.Dispose();
// }
// else
// sound = new OpenALFileStreamSound( stream, closeStreamAfterReading, soundType, null, mode, out initialized );
// if( !initialized )
// {
// sound.Dispose();
// sound = null;
// }
// criticalSection.Leave();
// return sound;
//}
protected override Sound _SoundCreateDataBuffer(SoundModes mode, int channels, int frequency, int bufferSize, DataReadDelegate dataReadCallback)
{
criticalSection.Enter();
Sound sound;
if ((mode & SoundModes.Record) != 0)
{
OpenALCaptureSound captureSound = new OpenALCaptureSound(mode, channels, frequency, bufferSize);
if (captureSound.alCaptureDevice == IntPtr.Zero)
{
criticalSection.Leave();
return(null);
}
sound = captureSound;
}
else
{
sound = new OpenALDataStreamSound(mode, channels, frequency, bufferSize, dataReadCallback);
}
criticalSection.Leave();
return(sound);
}
unsafe void DataStreamStartPlay()
{
OpenALDataStreamSound dataStreamSound = (OpenALDataStreamSound)currentSound;
for (int n = 0; n < dataStreamSound.alDataBuffers.Length; n++)
{
int readed = ReadDataFromDataStream((IntPtr)streamBuffer, streamBufferSize);
int alFormat = (currentSound.channels == 1) ? Al.AL_FORMAT_MONO16 :
Al.AL_FORMAT_STEREO16;
Al.alBufferData(dataStreamSound.alDataBuffers[n], alFormat, streamBuffer,
readed, currentSound.frequency);
}
fixed(int *pAlDataBuffers = dataStreamSound.alDataBuffers)
{
Al.alSourceQueueBuffers(alSource, dataStreamSound.alDataBuffers.Length,
pAlDataBuffers);
}
}
unsafe void UpdateDataStream()
{
OpenALDataStreamSound dataStreamSound = (OpenALDataStreamSound)currentSound;
int alFormat = (currentSound.channels == 1) ? Al.AL_FORMAT_MONO16 : Al.AL_FORMAT_STEREO16;
int processed;
Al.alGetSourcei(alSource, Al.AL_BUFFERS_PROCESSED, out processed);
OpenALSoundWorld.CheckError();
while (processed != 0)
{
int alBuffer = 0;
int readed = ReadDataFromDataStream((IntPtr)streamBuffer, streamBufferSize);
Al.alSourceUnqueueBuffers(alSource, 1, ref alBuffer);
OpenALSoundWorld.CheckError();
Al.alBufferData(alBuffer, alFormat, streamBuffer, readed, currentSound.frequency);
OpenALSoundWorld.CheckError();
Al.alSourceQueueBuffers(alSource, 1, ref alBuffer);
OpenALSoundWorld.CheckError();
processed--;
}
int state;
Al.alGetSourcei(alSource, Al.AL_SOURCE_STATE, out state);
OpenALSoundWorld.CheckError();
if (state != Al.AL_PLAYING)
{
Al.alGetSourcei(alSource, Al.AL_BUFFERS_PROCESSED, out processed);
Al.alSourcePlay(alSource);
}
}
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 SoundCreateDataBuffer( SoundMode mode, int channels, int frequency,
int bufferSize, DataReadDelegate dataReadCallback )
{
criticalSection.Enter();
Sound sound;
if( ( mode & SoundMode.Record ) != 0 )
{
OpenALCaptureSound captureSound = new OpenALCaptureSound(
mode, channels, frequency, bufferSize );
if( captureSound.alCaptureDevice == IntPtr.Zero )
{
criticalSection.Leave();
return null;
}
sound = captureSound;
}
else
{
sound = new OpenALDataStreamSound( mode, channels, frequency, bufferSize,
dataReadCallback );
}
criticalSection.Leave();
return sound;
}
