From 34b30a75b1a741c704aff64edc12fbfbf51f6523 Mon Sep 17 00:00:00 2001
From: Eddy Pedroni <epedroni@pm.me>
Date: Sun, 16 Nov 2025 18:03:00 +0100
Subject: Add support for virtual devices

---
 daemon/src/device_connection.h | 35 ++++++++++++++++++++++++++---------
 1 file changed, 26 insertions(+), 9 deletions(-)

(limited to 'daemon/src/device_connection.h')

diff --git a/daemon/src/device_connection.h b/daemon/src/device_connection.h
index 5f2b051..9113f04 100644
--- a/daemon/src/device_connection.h
+++ b/daemon/src/device_connection.h
@@ -14,11 +14,18 @@ namespace midi_router
 
 struct Device_Connection : public Sender
 {
-    Device_Connection(Device_Id const & source_id, std::string const & device_name, Submitter & submitter, RtMidiIn::RtMidiCallback callback):
+    Device_Connection(Device_Id const & source_id, std::string const & device_name, Submitter & submitter, RtMidiIn::RtMidiCallback callback, bool virtual_device):
         source_id(source_id),
         device_name(device_name),
-        submitter(submitter) 
+        submitter(submitter),
+        virtual_device(virtual_device)
     {
+        if (virtual_device)
+        {
+            midi_in.openVirtualPort(device_name + " In");
+            midi_out.openVirtualPort(device_name + " Out");
+        }
+
         midi_in.setCallback(callback, this);
         midi_in.ignoreTypes(true, false, true);
     }
@@ -26,6 +33,7 @@ struct Device_Connection : public Sender
     Device_Id const & source_id;
     std::string const & device_name;
     Submitter & submitter;
+    bool const virtual_device;
     RtMidiIn midi_in {};
     RtMidiOut midi_out {};
     std::mutex mutex {};
@@ -34,7 +42,10 @@ struct Device_Connection : public Sender
     send(std::vector<std::uint8_t> const & payload) override
     {
         const std::lock_guard<std::mutex> lock(mutex);
-        if (midi_out.isPortOpen()) midi_out.sendMessage(&payload);
+        if (midi_out.isPortOpen() || virtual_device)
+        {
+            midi_out.sendMessage(&payload);
+        }
     }
 
     std::string
@@ -46,17 +57,23 @@ struct Device_Connection : public Sender
     void
     connect(std::size_t port)
     {
-        const std::lock_guard<std::mutex> lock(mutex);
-        if (!midi_in.isPortOpen()) midi_in.openPort(port);
-        if (!midi_out.isPortOpen()) midi_out.openPort(port);
+        if (!virtual_device)
+        {
+            const std::lock_guard<std::mutex> lock(mutex);
+            if (!midi_in.isPortOpen()) midi_in.openPort(port);
+            if (!midi_out.isPortOpen()) midi_out.openPort(port);
+        }
     }
 
     void
     disconnect()
     {
-        const std::lock_guard<std::mutex> lock(mutex);
-        if (midi_in.isPortOpen()) midi_in.closePort();
-        if (midi_out.isPortOpen()) midi_out.closePort();
+        if (!virtual_device)
+        {
+            const std::lock_guard<std::mutex> lock(mutex);
+            if (midi_in.isPortOpen()) midi_in.closePort();
+            if (midi_out.isPortOpen()) midi_out.closePort();
+        }
     }
 };
 
-- 
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