public void BindDataBuffer(byte[] dataBuffer, ALFormat format, int size, int sampleRate, int sampleAlignment = 0)
{
//if ((format == ALFormat.MonoMSAdpcm || format == ALFormat.StereoMSAdpcm) && !OpenALSoundController.Instance.SupportsAdpcm)
// throw new InvalidOperationException("MS-ADPCM is not supported by this OpenAL driver");
/// if ((format == ALFormat.MonoIma4 || format == ALFormat.StereoIma4) && !OpenALSoundController.Instance.SupportsIma4)
// throw new InvalidOperationException("IMA/ADPCM is not supported by this OpenAL driver");
openALFormat = format;
dataSize = size;
int unpackedSize = 0;
if (sampleAlignment > 0)
{
// AL.Bufferi(openALDataBuffer, ALBufferi.UnpackBlockAlignmentSoft, sampleAlignment);
ALHelper.CheckError("Failed to fill buffer.");
}
AL.BufferData(openALDataBuffer, openALFormat, dataBuffer, size, sampleRate);
ALHelper.CheckError("Failed to fill buffer.");
int bits, channels;
Duration = -1;
AL.GetBuffer(openALDataBuffer, ALGetBufferi.Bits, out bits);
ALHelper.CheckError("Failed to get buffer bits");
AL.GetBuffer(openALDataBuffer, ALGetBufferi.Channels, out channels);
ALHelper.CheckError("Failed to get buffer channels");
AL.GetBuffer(openALDataBuffer, ALGetBufferi.Size, out unpackedSize);
ALHelper.CheckError("Failed to get buffer size");
Duration = (float)(unpackedSize / ((bits / 8) * channels)) / (float)sampleRate;
}
private void FreeSource()
{
AL.SourceStop(openALSourceId);
ALHelper.CheckError("Failed to stop source.");
AL.Source(openALSourceId, ALSourcei.Buffer, 0);
ALHelper.CheckError("Failed to free source from buffer.");
Loader.FreeSource(this);
}
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;
}
}
public void Play()
{
openALSourceId = 0;
openALSourceId = Loader.ReserveSource();
AL.GetError();//clear errors
AL.Source(openALSourceId, ALSourcei.Buffer, data.soundBuffer.OpenALDataBuffer);
ALHelper.CheckError("Failed to bind buffer to source.");
// Volume
AL.Source(openALSourceId, ALSourcef.Gain, Audio.MasterVolume);
ALHelper.CheckError("Failed to set source volume.");
// Looping
AL.Source(openALSourceId, ALSourceb.Looping, Looping);
ALHelper.CheckError("Failed to set source loop state.");
AL.SourcePlay(openALSourceId);
ALHelper.CheckError("Failed to play source.");
state = SoundState.Playing;
}
public OALSoundBuffer()
{
AL.GetError();
AL.GenBuffers(1, out openALDataBuffer);
ALHelper.CheckError("Failed to generate OpenAL data buffer.");
}