/// <summary>
/// Update the <see cref="SplitterState"/> from user parameter.
/// </summary>
/// <param name="context">The splitter context.</param>
/// <param name="parameter">The user parameter.</param>
/// <param name="input">The raw input data after the <paramref name="parameter"/>.</param>
public void Update(SplitterContext context, ref SplitterInParameter parameter, ReadOnlySpan <byte> input)
{
ClearLinks();
int destinationCount;
if (context.IsBugFixed)
{
destinationCount = parameter.DestinationCount;
}
else
{
destinationCount = Math.Min(context.GetDestinationCountPerStateForCompatibility(), parameter.DestinationCount);
}
if (destinationCount > 0)
{
ReadOnlySpan <int> destinationIds = MemoryMarshal.Cast <byte, int>(input);
Memory <SplitterDestination> destination = context.GetDestinationMemory(destinationIds[0]);
SetDestination(ref destination.Span[0]);
DestinationCount = destinationCount;
for (int i = 1; i < destinationCount; i++)
{
Memory <SplitterDestination> nextDestination = context.GetDestinationMemory(destinationIds[i]);
destination.Span[0].Link(ref nextDestination.Span[0]);
destination = nextDestination;
}
}
Debug.Assert(parameter.Id == Id);
if (parameter.Id == Id)
{
SampleRate = parameter.SampleRate;
HasNewConnection = true;
}
}
/// <summary>
/// Update one or multiple <see cref="SplitterState"/> from user parameters.
/// </summary>
/// <param name="inputHeader">The splitter header.</param>
/// <param name="input">The raw data after the splitter header.</param>
private void UpdateState(ref SplitterInParameterHeader inputHeader, ref ReadOnlySpan <byte> input)
{
for (int i = 0; i < inputHeader.SplitterCount; i++)
{
SplitterInParameter parameter = MemoryMarshal.Read <SplitterInParameter>(input);
Debug.Assert(parameter.IsMagicValid());
if (parameter.IsMagicValid())
{
if (parameter.Id >= 0 && parameter.Id < _splitters.Length)
{
ref SplitterState splitter = ref GetState(parameter.Id);
splitter.Update(this, ref parameter, input.Slice(Unsafe.SizeOf <SplitterInParameter>()));
}
input = input.Slice(0x1C + (int)parameter.DestinationCount * 4);
}
}
