/// <summary>
/// Supports responding to an InputChannelCallback event by providing a method to
/// communicate a value back to csound appropriate to the channel.
/// The "invalue" opcode, which is the only opcode to trigger this event,
/// only supports receiving strings and MYFLT (double) control values.
/// </summary>
/// <param name="value"></param>
public void SetCsoundValue(Csound6NetRealtime csound, object value)
{
if (m_pObject != IntPtr.Zero)
{
switch (Type)
{
case ChannelType.Control:
Marshal.StructureToPtr((double)value, m_pObject, false);
break;
case ChannelType.String:
byte[] buf = new byte[Csound6Channel.GetChannelDataSize(csound, Name)];
string s = value.ToString();
if (s.Length + 1 > buf.Length)
{
s = s.Substring(0, buf.Length - 1);
}
ASCIIEncoding.ASCII.GetBytes(s, 0, s.Length, buf, 0);
buf[s.Length + 1] = 0;
Marshal.Copy(buf, 0, m_pObject, buf.Length);
break;
default: //other types not supported in csound: pvs, audio, var
break;
}
}
}
protected virtual void Dispose(bool disposing)
{
foreach (var nvpair in m_channels)
{
var chan = nvpair.Value;
chan.Dispose();//release channel's unmanaged memory
}
m_channels.Clear();
m_csound = null;
}
/// <summary>
/// Returns the channel type for the channel defined by the provided name
/// </summary>
/// <param name="csound">A reference to the Csound6NetRealtime where the channel is defined</param>
/// <param name="name">The name of the channel as defined to csound</param>
/// <returns>A member of the ChannelType enumeration corresponding to the provided name</returns>
public static ChannelType GetChannelTypeForName(Csound6NetRealtime csound, string name)
{
IntPtr pNothing = IntPtr.Zero;
int type = NativeMethods.csoundGetChannelPtr(csound.Engine, out pNothing, name, 0);
if (type > 0)
{
return((ChannelType)(type & ChannelTypeMask));
}
return(ChannelType.None); //doesn't exist or memory error
}
/**
* \addtogroup PERFTHREAD
* @{
*/
/// <summary>
/// Constructor for creating a performance thread.
/// </summary>
/// <param name="csound"></param>
public Csound6PerformanceThread(Csound6NetRealtime csound)
{
m_csound = csound;
IsPaused = true;
IsRunning = false;
Status = CsoundStatus.MemoryAllocationFailure;
m_queue = new Queue <Csound6PerfThreadMessage>();
m_queueLock = new Csound6Mutex();
if (m_queueLock != null)
{
m_pauseLock = new Csound6ThreadLock();
}
if (m_pauseLock != null)
{
m_flushLock = new Csound6ThreadLock();
}
if (m_flushLock != null)
{
Status = CsoundStatus.Success;
}
}
/**
* \addtogroup CHANNELS
* @{
*/
/// <summary>
/// Provides the current unmanaged memory size in bytes of the channel defined by the provided name
/// </summary>
/// <param name="csound">A reference to the Csound6NetRealtime where the channel is defined</param>
/// <param name="name">The name of the channel as defined to csound</param>
/// <returns>the size in bytes of the named channel</returns>
public static int GetChannelDataSize(Csound6NetRealtime csound, string name)
{
return(NativeMethods.csoundGetChannelDatasize(csound.Engine, name));
}
/**
* \addtogroup CHANNELS
* @{
*/
/// <summary>
/// Creates a software bus already loaded with all channels known to csound.
/// This is only useful after having compiled an orchestra.
/// If created before compiling, the bus will be empty, but can be filled later
/// by calling its Refresh() method.
/// </summary>
/// <param name="csound">the instance of csound to associate with this bus.</param>
public Csound6SoftwareBus(Csound6NetRealtime csound)
{
m_csound = csound;
m_channels = new Dictionary <string, Csound6Channel>();
Refresh();
}
public Csound6ThreadedProcessEventArgs(Csound6NetRealtime _csound)
{
Csound = _csound;
}
