private void PlatformSetIsLooped(bool value)
{
_looped = value;
if (HasSourceId)
{
AL.Source(SourceId, ALSourceb.Looping, _looped);
ALHelper.CheckError("Failed to set source loop state.");
}
}
public OALSoundBuffer()
{
try
{
AL.GenBuffers(1, out openAlDataBuffer);
ALHelper.CheckError("Failed to generate OpenAl data buffer");
}
catch (DllNotFoundException e)
{
}
}
/// <summary>
///
/// </summary>
/// <param name="dataBuffer"></param>
/// <param name="format"></param>
/// <param name="size"></param>
/// <param name="sampleRate"></param>
/// <param name="alignment"></param>
public void BindDataBuffer(byte[] dataBuffer, ALFormat format, int size, int sampleRate, int alignment = 0)
{
openAlFormat = format;
dataSize = size;
this.sampleRate = sampleRate;
int unpackedSize = 0;
AL.BufferData(openAlDataBuffer, openAlFormat, dataBuffer, size, this.sampleRate);
ALHelper.CheckError("Failed to fill buffer");
int bits, channels;
AL.GetBuffer(openAlDataBuffer, ALGetBufferi.Bits, out bits);
ALError alError = AL.GetError();
if (alError != ALError.NoError)
{
Console.WriteLine("Failed to get bufer bits: {0},format = {1}, size={2}, sampleRate={3}", AL.GetErrorString(alError), format, size, sampleRate);
Duration = -1;
}
else
{
AL.GetBuffer(openAlDataBuffer, ALGetBufferi.Channels, out channels);
alError = AL.GetError();
if (alError != ALError.NoError)
{
Console.WriteLine("Failed to get bufer bits: {0},format = {1}, size={2}, sampleRate={3}", AL.GetErrorString(alError), format, size, sampleRate);
Duration = -1;
}
else
{
AL.GetBuffer(openAlDataBuffer, ALGetBufferi.Size, out unpackedSize);
alError = AL.GetError();
if (alError != AL.GetError())
{
Console.WriteLine("Failed to get bufer bits: {0},format = {1}, size={2}, sampleRate={3}", AL.GetErrorString(alError), format, size, sampleRate);
Duration = -1;
}
else
{
Duration = (float)(unpackedSize / ((bits / 8) * channels)) / (float)sampleRate;
}
}
}
}
private OpenAlSoundController()
{
if (!OpenSoundController())
{
return;
}
_bSoundAvailable = true;
allSourcesArray = new int[MAX_NUMBER_OF_SOURCES];
AL.GenSources(allSourcesArray);
ALHelper.CheckError("Failed to generate sources");
availableSourcesCollection = new List <int>(allSourcesArray);
inUseSourcesCollection = new List <int>();
}
/// <summary>
///
/// </summary>
private void PlatformPlay()
{
SourceId = 0;
HasSourceId = false;
SourceId = controller.ReserveSource();
HasSourceId = true;
int bufferId = _effect.SoundBuffer.OpenALDataBuffer;
AL.Source(SourceId, ALSourcei.Buffer, bufferId);
ALHelper.CheckError("Failed to bind buffer to source");
if (!HasSourceId)
{
return;
}
//Distance Model
AL.DistanceModel(ALDistanceModel.InverseDistanceClamped);
ALHelper.CheckError("Failed set source distance");
//Pan
AL.Source(SourceId, ALSource3f.Position, _pan, 0, 0);
ALHelper.CheckError("Failed to set Source pan.");
//Volume
AL.Source(SourceId, ALSourcef.Gain, _alVolume);
ALHelper.CheckError("Failed to set source volume");
//Looping
AL.Source(SourceId, ALSourceb.Looping, IsLooped);
ALHelper.CheckError("Failed to set source loop state");
//Pitch
AL.Source(SourceId, ALSourcef.Pitch, ToAlPitch(_pitch));
ALHelper.CheckError("Failed to set source pitch");
AL.SourcePlay(SourceId);
ALHelper.CheckError("Failed to play source");
SoundState = SoundState.Playing;
}
protected virtual void Dispose(bool disposing)
{
if (!_isDisposed)
{
if (disposing)
{
//Clean up managed objects
}
//Release unmanaged resources
if (AL.IsBuffer(openAlDataBuffer))
{
ALHelper.CheckError("Failed to fetch buffer state.");
AL.DeleteBuffers(1, ref openAlDataBuffer);
ALHelper.CheckError("Failed to delete buffer");
}
_isDisposed = true;
}
}
void Dispose(bool disposing)
{
if (!_isDisposed)
{
if (disposing)
{
if (_bSoundAvailable)
{
for (int i = 0; i < allSourcesArray.Length; i++)
{
AL.DeleteSource(allSourcesArray[i]);
ALHelper.CheckError("Failed to delete source");
}
CleanUpOpenAl();
}
}
_isDisposed = true;
}
}
