private static void ConvertSamples(IntPtr In, ASIOSampleType Type, IntPtr Out, int Count)
{
switch (Type)
{
//case ASIOSampleType.Int16MSB:
//case ASIOSampleType.Int24MSB:
//case ASIOSampleType.Int32MSB:
//case ASIOSampleType.Float32MSB:
//case ASIOSampleType.Float64MSB:
//case ASIOSampleType.Int32MSB16:
//case ASIOSampleType.Int32MSB18:
//case ASIOSampleType.Int32MSB20:
//case ASIOSampleType.Int32MSB24:
case ASIOSampleType.Int16LSB: Audio.Util.LEi16ToLEf64(In, Out, Count); break;
//case ASIOSampleType.Int24LSB:
case ASIOSampleType.Int32LSB: Audio.Util.LEi32ToLEf64(In, Out, Count); break;
case ASIOSampleType.Float32LSB: Audio.Util.LEf32ToLEf64(In, Out, Count); break;
case ASIOSampleType.Float64LSB: Audio.Util.CopyMemory(Out, In, Count * sizeof(double)); break;
//case ASIOSampleType.Int32LSB16:
//case ASIOSampleType.Int32LSB18:
//case ASIOSampleType.Int32LSB20:
//case ASIOSampleType.Int32LSB24:
default: throw new NotImplementedException("Unsupported sample type");
}
}
/// <summary>
/// Selects the sample convertor based on the input WaveFormat and the output ASIOSampleTtype.
/// </summary>
/// <param name="waveFormat">The wave format.</param>
/// <param name="asioType">The type.</param>
/// <returns></returns>
public static SampleConvertor SelectSampleConvertor(WaveFormat waveFormat, ASIOSampleType asioType)
{
SampleConvertor convertor = null;
bool is2Channels = waveFormat.Channels == 2;
// TODO : IMPLEMENTS OTHER CONVERTOR TYPES
switch (asioType)
{
case ASIOSampleType.ASIOSTInt32LSB:
switch (waveFormat.BitsPerSample)
{
case 16:
convertor = (is2Channels) ? (SampleConvertor)ConvertorShortToInt2Channels : (SampleConvertor)ConvertorShortToIntGeneric;
break;
case 32:
convertor = (is2Channels) ? (SampleConvertor)ConvertorFloatToInt2Channels : (SampleConvertor)ConvertorFloatToIntGeneric;
break;
}
break;
case ASIOSampleType.ASIOSTInt16LSB:
switch (waveFormat.BitsPerSample)
{
case 16:
convertor = (is2Channels) ? (SampleConvertor)ConvertorShortToShort2Channels : (SampleConvertor)ConvertorShortToShortGeneric;
break;
case 32:
convertor = (is2Channels) ? (SampleConvertor)ConvertorFloatToShort2Channels : (SampleConvertor)ConvertorFloatToShortGeneric;
break;
}
break;
case ASIOSampleType.ASIOSTInt24LSB:
switch (waveFormat.BitsPerSample)
{
case 16:
throw new ArgumentException("Not a supported conversion");
case 32:
convertor = ConverterFloatTo24LSBGeneric;
break;
}
break;
case ASIOSampleType.ASIOSTFloat32LSB:
switch (waveFormat.BitsPerSample)
{
case 16:
throw new ArgumentException("Not a supported conversion");
case 32:
convertor = ConverterFloatToFloatGeneric;
break;
}
break;
default:
throw new ArgumentException(
String.Format("ASIO Buffer Type {0} is not yet supported.",
Enum.GetName(typeof(ASIOSampleType), asioType)));
}
return convertor;
}
/// <summary>
/// Selects the sample convertor based on the input WaveFormat and the output ASIOSampleTtype.
/// </summary>
/// <param name="waveFormat">The wave format.</param>
/// <param name="asioType">The type.</param>
/// <returns></returns>
public static SampleConvertor SelectSampleConvertor(WaveFormat waveFormat, ASIOSampleType asioType)
{
SampleConvertor convertor = null;
bool is2Channels = waveFormat.Channels == 2;
if (waveFormat.BitsPerSample != 16 && waveFormat.BitsPerSample != 32)
{
throw new ArgumentException(String.Format("WaveFormat BitsPerSample {0} is not yet supported",
waveFormat.BitsPerSample));
}
// TODO : IMPLEMENTS OTHER CONVERTOR TYPES
switch (asioType)
{
case ASIOSampleType.ASIOSTInt32LSB:
switch (waveFormat.BitsPerSample)
{
case 16:
convertor = (is2Channels) ? ConvertorShortToInt2Channels : (SampleConvertor)ConvertorShortToIntGeneric;
break;
case 32:
convertor = (is2Channels) ? ConvertorFloatToInt2Channels : (SampleConvertor)ConvertorFloatToIntGeneric;
break;
}
break;
case ASIOSampleType.ASIOSTInt16LSB:
switch (waveFormat.BitsPerSample)
{
case 16:
convertor = (is2Channels) ? ConvertorShortToShort2Channels : (SampleConvertor)ConvertorShortToShortGeneric;
break;
case 32:
convertor = (is2Channels) ? ConvertorFloatToShort2Channels : (SampleConvertor)ConvertorFloatToShortGeneric;
break;
}
break;
default:
throw new ArgumentException(
String.Format("ASIO Buffer Type {0} is not yet supported. ASIO Int32 buffer is only supported.",
Enum.GetName(typeof(ASIOSampleType), asioType)));
}
return(convertor);
}
public Channel(ASIOChannelInfo Info)
{
index = Info.channel;
name = Info.name;
type = Info.type;
}
public Buffer(ASIOBufferInfo Info, ASIOSampleType Type, int Count)
{
info = Info;
type = Type;
samples = new Audio.SampleBuffer(Count);
}
public BufferInfo(ASIOBufferInfo Info, ASIOSampleType Type)
{
info = Info;
type = Type;
}
private static void ConvertSamples(IntPtr In, IntPtr Out, ASIOSampleType Type, int Count)
{
switch (Type)
{
//case ASIOSampleType.Int16MSB:
//case ASIOSampleType.Int24MSB:
//case ASIOSampleType.Int32MSB:
//case ASIOSampleType.Float32MSB:
//case ASIOSampleType.Float64MSB:
//case ASIOSampleType.Int32MSB16:
//case ASIOSampleType.Int32MSB18:
//case ASIOSampleType.Int32MSB20:
//case ASIOSampleType.Int32MSB24:
case ASIOSampleType.Int16LSB: Audio.Util.LEf64ToLEi16(In, Out, Count); break;
//case ASIOSampleType.Int24LSB:
case ASIOSampleType.Int32LSB: Audio.Util.LEf64ToLEi32(In, Out, Count); break;
case ASIOSampleType.Float32LSB: Audio.Util.LEf64ToLEf32(In, Out, Count); break;
case ASIOSampleType.Float64LSB: Audio.Util.CopyMemory(Out, In, Count * sizeof(double)); break;
//case ASIOSampleType.Int32LSB16:
//case ASIOSampleType.Int32LSB18:
//case ASIOSampleType.Int32LSB20:
//case ASIOSampleType.Int32LSB24:
default: throw new NotImplementedException("Unsupported sample type");
}
}
public Buffer(ASIOBufferInfo Info, ASIOSampleType Type, int Count)
{
info = Info;
type = Type;
samples = new Audio.SampleBuffer(Count);
}
