/// <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);
}
/// <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.Int32LSB:
switch (waveFormat.BitsPerSample)
{
case 16:
convertor = (is2Channels) ? (SampleConvertor)ConvertorShortToInt2Channels : (SampleConvertor)ConvertorShortToIntGeneric;
break;
case 32:
if (waveFormat.Encoding == WaveFormatEncoding.IeeeFloat)
{
convertor = (is2Channels) ? (SampleConvertor)ConvertorFloatToInt2Channels : (SampleConvertor)ConvertorFloatToIntGeneric;
}
else
{
convertor = (is2Channels) ? (SampleConvertor)ConvertorIntToInt2Channels : (SampleConvertor)ConvertorIntToIntGeneric;
}
break;
}
break;
case AsioSampleType.Int16LSB:
switch (waveFormat.BitsPerSample)
{
case 16:
convertor = (is2Channels) ? (SampleConvertor)ConvertorShortToShort2Channels : (SampleConvertor)ConvertorShortToShortGeneric;
break;
case 32:
if (waveFormat.Encoding == WaveFormatEncoding.IeeeFloat)
{
convertor = (is2Channels) ? (SampleConvertor)ConvertorFloatToShort2Channels : (SampleConvertor)ConvertorFloatToShortGeneric;
}
else
{
convertor = (is2Channels) ? (SampleConvertor)ConvertorIntToShort2Channels : (SampleConvertor)ConvertorIntToShortGeneric;
}
break;
}
break;
case AsioSampleType.Int24LSB:
switch (waveFormat.BitsPerSample)
{
case 16:
throw new ArgumentException("Not a supported conversion");
case 32:
if (waveFormat.Encoding == WaveFormatEncoding.IeeeFloat)
{
convertor = ConverterFloatTo24LSBGeneric;
}
else
{
throw new ArgumentException("Not a supported conversion");
}
break;
}
break;
case AsioSampleType.Float32LSB:
switch (waveFormat.BitsPerSample)
{
case 16:
throw new ArgumentException("Not a supported conversion");
case 32:
if (waveFormat.Encoding == WaveFormatEncoding.IeeeFloat)
{
convertor = ConverterFloatToFloatGeneric;
}
else
{
convertor = ConvertorIntToFloatGeneric;
}
break;
}
break;
default:
throw new ArgumentException(
String.Format("ASIO Buffer Type {0} is not yet supported.",
Enum.GetName(typeof(AsioSampleType), asioType)));
}
return(convertor);
}
