public void EnumerateClientsAndPortsPrimitive()
{
using (var seq = new AlsaSequencer(AlsaIOType.Output, AlsaIOMode.NonBlocking)) {
var cli = new AlsaClientInfo();
cli.Client = -1;
while (seq.QueryNextClient(cli))
{
TextWriter.Null.WriteLine("Client:" + cli.Client);
foreach (var cpi in cli.GetType().GetProperties())
{
TextWriter.Null.WriteLine($" [{cpi}]\t{cpi.GetValue (cli)}");
}
var port = new AlsaPortInfo();
port.Client = cli.Client;
port.Port = -1;
while (seq.QueryNextPort(port))
{
TextWriter.Null.WriteLine(" Port:" + port.Id);
foreach (var ppi in port.GetType().GetProperties())
{
TextWriter.Null.WriteLine($" [{ppi}]\t{ppi.GetValue (port)}");
}
}
}
}
}
// app generates messages --> [RETURNED PORT] --> [output device port]
AlsaPortInfo CreateOutputConnectedPort(AlsaPortInfo pinfo, string portName = "alsa-sharp output")
{
var portId = output.CreateSimplePort(portName, output_connected_cap, midi_port_type);
var sub = new AlsaPortSubscription();
sub.Sender.Client = (byte)output_client_id;
sub.Sender.Port = (byte)portId;
sub.Destination.Client = (byte)pinfo.Client;
sub.Destination.Port = (byte)pinfo.Port;
output.SubscribePort(sub);
return(output.GetPort(sub.Sender.Client, sub.Sender.Port));
}
// [input device port] --> [RETURNED PORT] --> app handles messages
AlsaPortInfo CreateInputConnectedPort(AlsaSequencer seq, AlsaPortInfo pinfo, string portName = "alsa-sharp input")
{
var portId = seq.CreateSimplePort(portName, input_connected_cap, midi_port_type);
var sub = new AlsaPortSubscription();
sub.Destination.Client = (byte)seq.CurrentClientId;
sub.Destination.Port = (byte)portId;
sub.Sender.Client = (byte)pinfo.Client;
sub.Sender.Port = (byte)pinfo.Port;
seq.SubscribePort(sub);
return(seq.GetPort(sub.Destination.Client, sub.Destination.Port));
}
IEnumerable <AlsaPortInfo> EnumerateMatchingPorts(AlsaSequencer seq, AlsaPortCapabilities cap)
{
var cinfo = new AlsaClientInfo {
Client = -1
};
while (seq.QueryNextClient(cinfo))
{
var pinfo = new AlsaPortInfo {
Client = cinfo.Client, Port = -1
};
while (seq.QueryNextPort(pinfo))
{
if ((pinfo.PortType & midi_port_type) != 0 &&
(pinfo.Capabilities & cap) == cap)
{
yield return(pinfo.Clone());
}
}
}
}
public AlsaMidiPortDetails(AlsaPortInfo port)
{
this.port = port;
}
