public ChannelHintsProxy(ChannelHints hints)
{
behav = (int)hints.behav;
dflt = hints.dflt; min = hints.min; max = hints.max;
x = hints.x; y = hints.y; height = hints.height; width = hints.width;
attributes = IntPtr.Zero;
}
/// <summary>
/// Legacy channel access method. Should be avoided in favor of csound 6's new thread-safe
/// access methods as used in subclasses.
/// Used internally by Get/SetValueDirect methods in subclasses ideally called from
/// within the same thread between calls to PerformKsmps or PerformBuffer.
/// If used between different threads (not recommended - use threadsafe property "Value" instead),
/// you should acquire and use a lock (see GetLock method) to arbitrate potential race conditions.
/// </summary>
/// <returns>a pointer to unmanaged memory where the channel's data begins</returns>
//internal IntPtr GetChannelPointer()
//{
// int flags = (sizeof(int)) + (int)(((uint)Direction) << 4);
// CsoundStatus result = Csound6Net.Int2StatusEnum(NativeMethods.csoundGetChannelPtr(csound, out m_pChannel, Name, flags));
// if (((int)result) < 0) throw new Csound6NetException(Csound6NetException.ChannelAccessFailed, Name, result);
// }
// return m_pChannel;
//}
/// <summary>
/// Provides a dictionary of all currently defined channels resulting from compilation of an orchestra
/// containing channel definitions.
/// Entries, keyed by name, are polymorphically assigned to their correct data type: control, audio, string, pvc.
/// Used by the Csound6SoftwareBus class to initialize its contents.
/// </summary>
/// <returns>a dictionary of all currently defined channels keyed by their name to its ChannelInfo</returns>
public IDictionary <string, ChannelInfo> GetChannelList()
{
IDictionary <string, ChannelInfo> channels = new SortedDictionary <string, ChannelInfo>();
IntPtr ppChannels = IntPtr.Zero;
int size = Csound6.NativeMethods.csoundListChannels(csound, out ppChannels);
if ((ppChannels != IntPtr.Zero) && (size >= 0))
{
int proxySize = Marshal.SizeOf(typeof(ChannelInfoProxy));
for (int i = 0; i < size; i++)
{
var proxy = Marshal.PtrToStructure(ppChannels + (i * proxySize), typeof(ChannelInfoProxy)) as ChannelInfoProxy;
string chanName = Marshal.PtrToStringAnsi(proxy.name);
ChannelInfo info = new ChannelInfo(chanName, (ChannelType)(proxy.type & 15), (ChannelDirection)(proxy.type >> 4));
var hintProxy = proxy.hints;
var hints = new ChannelHints((ChannelBehavior)hintProxy.behav, hintProxy.dflt, hintProxy.min, hintProxy.max)
{
x = hintProxy.x,
y = hintProxy.y,
height = hintProxy.height,
width = hintProxy.width,
attributes = (hintProxy.attributes != IntPtr.Zero) ? Marshal.PtrToStringAnsi(hintProxy.attributes) : null
};
info.Hints = hints;
channels.Add(chanName, info);
}
Csound6.NativeMethods.csoundDeleteChannelList(csound, ppChannels);
}
return(channels);
}
