public void Send()
{
using (var seq = new AlsaSequencer(AlsaIOType.Output, AlsaIOMode.NonBlocking)) {
var cinfo = new AlsaClientInfo {
Client = -1
};
int lastClient = -1;
while (seq.QueryNextClient(cinfo))
{
if (cinfo.Name.Contains("TiMidity"))
{
lastClient = cinfo.Client;
}
}
if (lastClient < 0)
{
Console.Error.WriteLine("TiMidity not found. Not testable.");
return; // not testable
}
int targetPort = 3;
try {
seq.GetPort(lastClient, targetPort);
} catch {
Console.Error.WriteLine("TiMidity port #3 not available. Not testable.");
return; // not testable
}
int appPort = seq.CreateSimplePort("alsa-sharp-test-output", AlsaPortCapabilities.Write | AlsaPortCapabilities.NoExport, AlsaPortType.Application | AlsaPortType.MidiGeneric);
try {
seq.ConnectTo(appPort, lastClient, targetPort);
var setup = new byte [] { 0xC0, 0x48, 0xB0, 7, 110, 0xB0, 11, 127 };
var keyon = new byte [] { 0x90, 0x40, 0x70 };
var keyoff = new byte [] { 0x80, 0x40, 0x70 };
seq.Send(appPort, setup, 0, setup.Length);
seq.Send(appPort, keyon, 0, keyon.Length);
System.Threading.Thread.Sleep(100);
seq.Send(appPort, keyoff, 0, keyoff.Length);
System.Threading.Thread.Sleep(100);
seq.DisconnectTo(appPort, lastClient, targetPort);
} finally {
seq.DeleteSimplePort(appPort);
}
}
}
public void InputToObserveSystemAnnoucements()
{
bool passed = false;
var evt = new AlsaSequencerEvent();
AlsaSequencer inseq = null;
int appPort = -1;
Task task = new TaskFactory().StartNew(() => {
using (inseq = new AlsaSequencer(AlsaIOType.Input, AlsaIOMode.None)) {
appPort = inseq.CreateSimplePort("alsa-sharp-test-input", AlsaPortCapabilities.Write | AlsaPortCapabilities.NoExport, AlsaPortType.Application | AlsaPortType.MidiGeneric);
inseq.ConnectFrom(appPort, AlsaSequencer.ClientSystem, AlsaPortInfo.PortSystemAnnouncement);
try {
inseq.ResetPoolInput();
// ClientStart, PortStart, PortSubscribed, PortUnsubscribed, PortExit
inseq.Input(evt, appPort);
Assert.AreEqual(AlsaSequencerEventType.ClientStart, evt.EventType, "evt1");
inseq.Input(evt, appPort);
Assert.AreEqual(AlsaSequencerEventType.PortStart, evt.EventType, "evt2");
inseq.Input(evt, appPort);
Assert.AreEqual(AlsaSequencerEventType.PortSubscribed, evt.EventType, "evt3");
passed = true;
} finally {
inseq.DisconnectFrom(appPort, AlsaSequencer.ClientSystem, AlsaPortInfo.PortSystemAnnouncement);
appPort = -1;
}
}
});
Thread.Sleep(50); // give some time for announcement client to start.
// create another port, which is a dummy and just subscribes to notify the system to raise an announcement event.
var cinfo = new AlsaClientInfo {
Client = -1
};
int lastClient = -1;
var outseq = new AlsaSequencer(AlsaIOType.Input, AlsaIOMode.NonBlocking);
while (outseq.QueryNextClient(cinfo))
{
if (cinfo.Name.Contains("Midi Through"))
{
lastClient = cinfo.Client;
}
}
if (lastClient < 0)
{
Console.Error.WriteLine("Midi Through not found. Not testable.");
return; // not testable
}
int targetPort = 0;
int testPort = outseq.CreateSimplePort("alsa-sharp-test-output", AlsaPortCapabilities.Write | AlsaPortCapabilities.NoExport, AlsaPortType.Application | AlsaPortType.MidiGeneric);
try {
outseq.ConnectTo(testPort, lastClient, targetPort);
outseq.DisconnectTo(testPort, lastClient, targetPort);
Thread.Sleep(50); // give some time for announcement client to finish.
Assert.IsTrue(passed, "failed to receive an announcement");
} finally {
outseq.DeleteSimplePort(testPort);
}
}
