midi cc out

Author: AntoineBellemare

src/goofi/nodes/outputs/midiccout.py

@@ -0,0 +1,86 @@
+import threading
+import mido
+from goofi.data import Data, DataType
+from goofi.node import Node
+from goofi.params import StringParam, IntParam, BoolParam
+
+class MidiCCout(Node):
+    def config_input_slots():
+        return {
+            "cc1": DataType.ARRAY,
+            "cc2": DataType.ARRAY,
+            "cc3": DataType.ARRAY,
+            "cc4": DataType.ARRAY,
+            "cc5": DataType.ARRAY
+        }
+
+    def config_output_slots():
+        return {
+            "midi_status": DataType.STRING
+        }
+
+    def config_params():
+        available_ports = mido.get_output_names()
+        return {
+            "MIDI": {
+                "port_name": StringParam("", options=available_ports, doc="MIDI output port name"),
+                "channel": IntParam(1, 1, 15, doc="MIDI channel"),
+                "cc1": IntParam(1, 0, 127, doc="MIDI CC number for input 1"),
+                "cc2": IntParam(2, 0, 127, doc="MIDI CC number for input 2"),
+                "cc3": IntParam(3, 0, 127, doc="MIDI CC number for input 3"),
+                "cc4": IntParam(4, 0, 127, doc="MIDI CC number for input 4"),
+                "cc5": IntParam(5, 0, 127, doc="MIDI CC number for input 5")
+            }
+        }
+
+    def send_cc(self, outport, cc_number, value, channel):
+        """Send a MIDI CC message."""
+        # convert cc_number to int
+        cc_number = int(cc_number)
+        value = int(value)
+        outport.send(mido.Message('control_change', control=cc_number, value=value, channel=channel))
+
+    def process(self, cc1: Data, cc2: Data, cc3: Data, cc4: Data, cc5: Data):
+        port_name = self.params.MIDI["port_name"].value
+        channel = self.params.MIDI["channel"].value
+        channel = channel - 1  # MIDI channels are 0-indexed
+        cc_numbers = [
+            self.params.MIDI["cc1"].value,
+            self.params.MIDI["cc2"].value,
+            self.params.MIDI["cc3"].value,
+            self.params.MIDI["cc4"].value,
+            self.params.MIDI["cc5"].value
+        ]
+        cc_data = [cc1, cc2, cc3, cc4, cc5]
+
+        outport = mido.open_output(port_name) if port_name != 'goofi' else self.goofi_port
+
+        alert_on = False
+        try:
+            threads = []
+            for i, data in enumerate(cc_data):
+                if data is not None and len(data.data) > 0:
+                    for value in data.data:
+                        if value < 0 or value > 127:
+                            print(f'Value outside of MIDI 0-127 range: {value}')
+                            alert_on = True
+                            error_message = f'Value outside of MIDI 0-127 range: {value}'
+                            pass
+                        t = threading.Thread(target=self.send_cc, args=(outport, cc_numbers[i], value, channel))
+                        t.start()
+                        threads.append(t)
+
+            for t in threads:
+                t.join()
+        finally:
+            if port_name != 'goofi':
+                outport.close()  # Ensure that the MIDI port is closed when done
+
+        if alert_on:
+            return {
+                "midi_status": (f"CC messages sent with errors\n{error_message}", cc1.meta)
+            }
+        else:
+            return {
+                "midi_status": ("CC messages sent successfully", cc1.meta)
+            }