public static MidiThruConnection[] Find(string persistentOwnerID, out MidiError error)
{
if (persistentOwnerID == null)
{
throw new ArgumentNullException(nameof(persistentOwnerID));
}
IntPtr ret;
using (var nssstr = new NSString(persistentOwnerID)) {
error = MIDIThruConnectionFind(nssstr.Handle, out ret);
}
using (var data = Runtime.GetNSObject <NSData> (ret)) {
var typeSize = Marshal.SizeOf(typeof(MidiThruConnectionRef));
var totalObjs = (int)data.Length / typeSize;
if (totalObjs == 0)
{
return(null);
}
var basePtr = data.Bytes.ToInt32();
var connections = new MidiThruConnection[totalObjs];
for (int i = 0; i < totalObjs; i++)
{
connections[i] = new MidiThruConnection((uint)(basePtr + i * typeSize));
}
return(connections);
}
}
public MidiEndpoint CreateVirtualSource(string name, out MidiError statusCode)
{
IntPtr ptr;
statusCode = (MidiError)CoreMidiInterop.MIDISourceCreate(Handle, Midi.ToCFStringRef(name), out ptr);
return(statusCode == MidiError.Ok ? new MidiEndpoint(ptr, name, true, null) : null);
}
public MidiEndpoint CreateVirtualDestination(string name, out MidiError statusCode)
{
IntPtr ptr;
var d = new ReadDispatcher();
statusCode = (MidiError)CoreMidiInterop.MIDIDestinationCreate(Handle, Midi.ToCFStringRef(name),
d.DispatchProc, IntPtr.Zero, out ptr);
return(statusCode == MidiError.Ok ? new MidiEndpoint(ptr, name, true, d) : null);
}
public static MidiThruConnection Create(string persistentOwnerID, MidiThruConnectionParams connectionParams, out MidiError error)
{
MidiThruConnectionRef ret;
using (var data = connectionParams.WriteStruct ()) {
var retStr = NSString.CreateNative (persistentOwnerID);
error = MIDIThruConnectionCreate (retStr, data.Handle, out ret);
NSString.ReleaseNative (retStr);
}
if (error != MidiError.Ok)
return null;
return new MidiThruConnection (ret);
}
public static MidiThruConnection[]? Find(string persistentOwnerID, out MidiError error)
{
if (persistentOwnerID is null)
{
throw new ArgumentNullException(nameof(persistentOwnerID));
}
IntPtr ret;
var persistentOwnerIDHandle = CFString.CreateNative(persistentOwnerID);
try {
error = MIDIThruConnectionFind(persistentOwnerIDHandle, out ret);
} finally {
CFString.ReleaseNative(persistentOwnerIDHandle);
}
using (var data = Runtime.GetNSObject <NSData> (ret)) {
if (data is null)
{
return(null);
}
var typeSize = Marshal.SizeOf(typeof(MidiThruConnectionRef));
var totalObjs = (int)data.Length / typeSize;
if (totalObjs == 0)
{
return(null);
}
var connections = new MidiThruConnection[totalObjs];
unsafe {
uint *handles = (uint *)(IntPtr)data.Bytes;
for (int i = 0; i < totalObjs; i++)
{
connections [i] = new MidiThruConnection(handles [i]);
}
}
return(connections);
}
}
public static MidiThruConnection[] Find(string persistentOwnerID, out MidiError error)
{
if (persistentOwnerID == null)
throw new ArgumentNullException (nameof (persistentOwnerID));
IntPtr ret;
using (var nssstr = new NSString (persistentOwnerID)) {
error = MIDIThruConnectionFind (nssstr.Handle, out ret);
}
using (var data = Runtime.GetNSObject<NSData> (ret)) {
var typeSize = Marshal.SizeOf (typeof (MidiThruConnectionRef));
var totalObjs = (int) data.Length / typeSize;
if (totalObjs == 0)
return null;
var basePtr = data.Bytes.ToInt32 ();
var connections = new MidiThruConnection[totalObjs];
for (int i = 0; i < totalObjs; i++)
connections[i] = new MidiThruConnection ((uint)(basePtr + i * typeSize));
return connections;
}
}
public MidiThruConnectionParams?GetParams(out MidiError error)
{
if (Handle == InvalidRef)
{
throw new ObjectDisposedException("MidiThruConnection");
}
IntPtr ret;
error = MIDIThruConnectionGetParams(Handle, out ret);
if (error != MidiError.Ok || ret == IntPtr.Zero)
{
return(null);
}
using (var data = Runtime.GetNSObject <NSData> (ret, true)) {
if (data is null)
{
return(null);
}
var cnnParams = new MidiThruConnectionParams();
cnnParams.ReadStruct(data);
return(cnnParams);
}
}
internal MidiException (MidiError code) : base (code.ToString ())
{
ErrorCode = code;
}
public static MidiThruConnection?Create(string persistentOwnerID, MidiThruConnectionParams connectionParams, out MidiError error)
{
MidiThruConnectionRef ret;
using (var data = connectionParams.WriteStruct()) {
var retStr = CFString.CreateNative(persistentOwnerID);
try {
error = MIDIThruConnectionCreate(retStr, data.Handle, out ret);
} finally {
CFString.ReleaseNative(retStr);
}
}
if (error != MidiError.Ok)
{
return(null);
}
return(new MidiThruConnection(ret));
}
public MidiEndpoint CreateVirtualDestination (string name, out MidiError status)
{
var m = new MidiEndpoint (this, name, out status);
if (status == MidiError.Ok)
return m;
m.Dispose ();
return null;
}
public MidiEndpoint CreateVirtualSource (string name, out MidiError statusCode)
{
using (var nsstr = new NSString (name)){
MidiObjectRef ret;
var code = MIDISourceCreate (handle, nsstr.Handle, out ret);
if (code != 0){
statusCode = (MidiError) code;
return null;
}
statusCode = MidiError.Ok;
return new MidiEndpoint (ret, true);
}
}
internal MidiException (MidiError code) : base (code == MidiError.NotPermitted ? "NotPermitted, does your app Info.plist include the 'audio' key in the UIBackgroundModes section?" : code.ToString ())
{
ErrorCode = code;
}
internal MidiEndpoint (MidiClient client, string name, out MidiError code)
{
using (var nsstr = new NSString (name)){
GCHandle gch = GCHandle.Alloc (this);
code = MIDIDestinationCreate (client.handle, nsstr.Handle, Read, GCHandle.ToIntPtr (gch), out handle);
EndpointName = name;
}
}
public MidiThruConnectionParams GetParams(out MidiError error)
{
if (Handle == InvalidRef)
throw new ObjectDisposedException ("MidiThruConnection");
IntPtr ret;
error = MIDIThruConnectionGetParams (Handle, out ret);
if (error != MidiError.Ok || ret == IntPtr.Zero)
return null;
using (var data = Runtime.GetNSObject<NSData> (ret, true)) {
if (data == null)
return null;
var cnnParams = new MidiThruConnectionParams ();
cnnParams.ReadStruct (data);
return cnnParams;
}
}
