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;
}
public void BindDataBuffer(byte[] dataBuffer, ALFormat format, int size, int sampleRate, int alignment = 0)
{
openALFormat = format;
dataSize = size;
this.sampleRate = sampleRate;
int unpackedSize = 0;
#if DESKTOPGL
if (alignment > 0)
{
AL.Bufferi(openALDataBuffer, ALBufferi.UnpackBlockAlignmentSoft, alignment);
ALHelper.CheckError("Failed to fill buffer.");
}
#endif
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 buffer 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 buffer channels: {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 != ALError.NoError)
{
Console.WriteLine("Failed to get buffer size: {0}, format={1}, size={2}, sampleRate={3}", AL.GetErrorString(alError), format, size, sampleRate);
Duration = -1;
}
else
{
Duration = (float)(unpackedSize / ((bits / 8) * channels)) / (float)sampleRate;
}
}
}
//Console.WriteLine("Duration: " + Duration + " / size: " + size + " bits: " + bits + " channels: " + channels + " rate: " + sampleRate);
}
public void BufferData <T>(
ReadOnlySpan <T> data, ALFormat format, int sampleRate, int sampleAlignment = 0)
where T : unmanaged
{
AssertNotDisposed();
var controller = ALController.Get();
if (!controller.SupportsFloat32 && (format == ALFormat.MonoFloat32 || format == ALFormat.StereoFloat32))
{
throw new InvalidOperationException("Float data is not supported by this OpenAL driver.");
}
if (!controller.SupportsAdpcm && (format == ALFormat.MonoMSAdpcm || format == ALFormat.StereoMSAdpcm))
{
throw new InvalidOperationException("MS-ADPCM is not supported by this OpenAL driver.");
}
if (!controller.SupportsIma4 && (format == ALFormat.MonoIma4 || format == ALFormat.StereoIma4))
{
throw new InvalidOperationException("IMA/ADPCM is not supported by this OpenAL driver.");
}
if (BufferId != 0)
{
ClearBuffer();
}
BufferId = AL.GenBuffer();
ALHelper.CheckError("Failed to generate OpenAL data buffer.");
if (sampleAlignment > 0)
{
AL.Bufferi(BufferId, ALBufferi.UnpackBlockAlignmentSoft, sampleAlignment);
ALHelper.CheckError("Failed to set buffer alignment.");
}
AL.BufferData(BufferId, format, MemoryMarshal.AsBytes(data), sampleRate);
ALHelper.CheckError("Failed to fill buffer.");
}