add apply

add apply to vbancmd and channel modules.

add apply to readme

vbancmd/channel.py

@@ -73,3 +73,10 @@ class Channel(abc.ABC):
     def public_packet(self):
         """ Returns an RT data packet. """
         return self._remote.public_packet
+
+    def apply(self, mapping):
+        """ Sets all parameters of a dict for the strip. """
+        for key, val in mapping.items():
+            if not hasattr(self, key):
+                raise VMCMDErrors(f'Invalid {self.identifier} attribute: {key}')
+            setattr(self, key, val)

vbancmd/vbancmd.py

@@ -74,7 +74,7 @@ class VbanCmd(abc.ABC):
         while self.running:
             if self._rt_register_socket in self.ready_to_write:
                 self._rt_register_socket.sendto(
-                    self._register_rt_header.header + bytes(1), (socket.gethostbyname(self._ip), self._port)
+                    self._register_rt_header.header, (socket.gethostbyname(self._ip), self._port)
                     )
                 count = int.from_bytes(self._register_rt_header.framecounter, 'little') + 1
                 self._register_rt_header.framecounter = count.to_bytes(4, 'little')
@@ -185,6 +185,19 @@ class VbanCmd(abc.ABC):
         """ Restarts Voicemeeter's audio engine. """
         self.set_rt('Command', 'Restart', 1)
 
+    def apply(self, mapping: dict):
+        """ Sets all parameters of a di """
+        for key, submapping in mapping.items():
+            obj, index = key.split('-')
+
+            if obj in ('strip'):
+                target = self.strip[int(index)]
+            elif obj in ('bus'):
+                target = self.bus[int(index)]
+            else:
+                raise ValueError(obj)
+            target.apply(submapping)
+
     def close(self):
         """ sets thread flag, closes sockets """
         self.running = False