ldirty, pdelay, ldelay added. changes to how levels are fetched

ldirty added, true iff level value has changed.

fetching level arrays moved to highest level of the app.

pdelay and ldelay added to _base_vals dataclass.

vmcompact/app.py

@@ -61,6 +61,11 @@ class App(tk.Tk):
 
         # start pdirty watcher
         self.upd_pdirty()
+        self.strip_levels = None
+        self.bus_levels = None
+        self._strip_levels = None
+        self._bus_levels = None
+        self.watch_levels()
 
         self.resizable(False, False)
         if _base_vals.themes_enabled:
@@ -85,6 +90,14 @@ class App(tk.Tk):
     def pdirty(self, val):
         self._pdirty = val
 
+    @property
+    def ldirty(self):
+        return self._ldirty
+
+    @ldirty.setter
+    def ldirty(self, val):
+        self._ldirty = val
+
     @property
     def configuration(self):
         return configuration["app"]
@@ -155,7 +168,27 @@ class App(tk.Tk):
 
     def upd_pdirty_step(self):
         self.pdirty = self.target.pdirty
-        self.after(1, self.upd_pdirty_step)
+        self.after(_base_vals.pdelay, self.upd_pdirty_step)
+
+    def watch_levels(self):
+        self.after(1, self.watch_levels_step)
+
+    def watch_levels_step(self):
+        """
+        Continuously fetch level arrays, only update
+        if ldirty
+        """
+        self._strip_levels = self.target.strip_levels
+        self._bus_levels = self.target.bus_levels
+
+        self.ldirty = not (
+            self.strip_levels == self._strip_levels
+            and self.bus_levels == self._bus_levels
+        )
+        if self.ldirty:
+            self.strip_levels = self._strip_levels
+            self.bus_levels = self._bus_levels
+        self.after(_base_vals.ldelay, self.watch_levels_step)
 
     def dragging(self, event, *args):
         if event.widget is self:

vmcompact/channels.py

@@ -1,6 +1,7 @@
 import tkinter as tk
 from tkinter import ttk
 from functools import partial
+from math import log
 
 from .data import _base_vals
 from .config import StripConfig, BusConfig
@@ -76,6 +77,11 @@ class Channel(ttk.LabelFrame):
         self.setter("gain", self.gain.get())
         self._parent._parent.nav_frame.info_text.set(round(self.gain.get(), 1))
 
+    def convert_level(self, val):
+        if _base_vals.vban_connected:
+            return round(-val * 0.01, 1)
+        return round(20 * log(val, 10), 1) if val > 0 else -200.0
+
     def _make_widgets(self):
         """Creates a progressbar, scale, mute button and config button for a single channel"""
         # Progress bar
@@ -131,7 +137,7 @@ class Channel(ttk.LabelFrame):
         """keeps params synced but ensures sliders are responsive"""
         if self._parent._parent.pdirty and not _base_vals.in_scale_button_1:
             self.sync()
-        self.after(1, self.watch_pdirty_step)
+        self.after(_base_vals.pdelay, self.watch_pdirty_step)
 
     def sync(self):
         """sync params with voicemeeter"""
@@ -201,14 +207,39 @@ class Strip(Channel):
 
     def watch_levels_step(self):
         if not _base_vals.dragging:
-            vals = self.target.levels.prefader
+            if self._parent._parent.ldirty:
-            val = vals[0] if vals[0] > vals[1] else vals[0]
+                if self.index <= self._parent.phys_in:
-            self.level.set(val)
+                    vals = (
-            self.level.set(
+                        self.convert_level(
-                (0 if self.mute.get() else 100 + (val - 18) + self.gain.get())
+                            self._parent._parent.strip_levels[self.index * 2]
-            )
+                        ),
+                        self.convert_level(
+                            self._parent._parent.strip_levels[self.index * 2 + 1]
+                        ),
+                    )
+                else:
+                    vals = (
+                        self.convert_level(
+                            self._parent._parent.strip_levels[
+                                self._parent.phys_in * 2
+                                + (self.index - self._parent.phys_in) * 8
+                            ]
+                        ),
+                        self.convert_level(
+                            self._parent._parent.strip_levels[
+                                self._parent.phys_in * 2
+                                + (self.index - self._parent.phys_in) * 8
+                                + 1
+                            ]
+                        ),
+                    )
+                peak = vals[0] if vals[0] > vals[1] else vals[0]
+                self.level.set(
+                    (0 if self.mute.get() else 100 + (peak - 18) + self.gain.get())
+                )
         self.after(
-            25 if not _base_vals.in_scale_button_1 else 100, self.watch_levels_step
+            _base_vals.ldelay if not _base_vals.in_scale_button_1 else 100,
+            self.watch_levels_step,
         )
 
 
@@ -251,14 +282,18 @@ class Bus(Channel):
 
     def watch_levels_step(self):
         if not _base_vals.dragging:
-            vals = self.target.levels.all
+            if self._parent._parent.ldirty:
-            val = vals[0] if vals[0] > vals[1] else vals[0]
+                vals = (
-            self.level.set(val)
+                    self.convert_level(self._parent._parent.bus_levels[self.index * 8]),
-            self.level.set(
+                    self.convert_level(
-                (0 if self.mute.get() else 100 + (val - 18) + self.gain.get())
+                        self._parent._parent.bus_levels[self.index * 8 + 1]
-            )
+                    ),
+                )
+                peak = vals[0] if vals[0] > vals[1] else vals[0]
+                self.level.set((0 if self.mute.get() else 100 + (peak - 18)))
         self.after(
-            25 if not _base_vals.in_scale_button_1 else 100, self.watch_levels_step
+            _base_vals.ldelay if not _base_vals.in_scale_button_1 else 100,
+            self.watch_levels_step,
         )
 
 
@@ -364,7 +399,7 @@ class ChannelFrame(ttk.Frame):
     def watch_pdirty_step(self):
         if self._parent.pdirty:
             self.watch_labels()
-        self.after(1, self.watch_pdirty_step)
+        self.after(_base_vals.pdelay, self.watch_pdirty_step)
 
     def watch_labels(self):
         for i, labelframe in enumerate(self.labelframes):

vmcompact/config.py

@@ -67,7 +67,7 @@ class Config(ttk.Frame):
         """keeps params synced but ensures sliders are responsive"""
         if self._parent.pdirty and not _base_vals.in_scale_button_1:
             self.sync()
-        self.after(1, self.watch_pdirty_step)
+        self.after(_base_vals.pdelay, self.watch_pdirty_step)
 
 
 class StripConfig(Config):

vmcompact/data.py

@@ -21,6 +21,10 @@ class BaseValues:
     using_theme: bool = False
     # bus assigned as current submix
     submixes: int = 0
+    # pdirty delay
+    pdelay: int = 50
+    # ldirty delay
+    ldelay: int = 50
 
 
 _base_vals = BaseValues()

vmcompact/gainlayer.py

@@ -1,6 +1,7 @@
 import tkinter as tk
 from tkinter import ttk, messagebox as msg
 from functools import partial
+from math import log
 
 from .data import _base_vals
 
@@ -74,6 +75,11 @@ class GainLayer(ttk.LabelFrame):
                 background=f'{"green" if self.on.get() else "white"}',
             )
 
+    def convert_level(self, val):
+        if _base_vals.vban_connected:
+            return round(-val * 0.01, 1)
+        return round(20 * log(val, 10), 1) if val > 0 else -200.0
+
     def _make_widgets(self):
         """Creates a progressbar, scale, on button and config button for a single channel"""
         # Progress bar
@@ -135,7 +141,7 @@ class GainLayer(ttk.LabelFrame):
         """keeps params synced but ensures sliders are responsive"""
         if self._parent._parent.pdirty and not _base_vals.in_scale_button_1:
             self.sync()
-        self.after(1, self.watch_pdirty_step)
+        self.after(_base_vals.pdelay, self.watch_pdirty_step)
 
     def sync(self):
         """sync params with voicemeeter"""
@@ -156,18 +162,45 @@ class GainLayer(ttk.LabelFrame):
 
     def watch_levels_step(self):
         if not _base_vals.dragging:
-            vals = self._parent.target.strip[self.index].levels.prefader
+            if self._parent._parent.ldirty:
-            val = vals[0] if vals[0] > vals[1] else vals[0]
+                if self.index <= self._parent.phys_in:
-            self.level.set(val)
+                    vals = (
-            self.level.set(
+                        self.convert_level(
-                (
+                            self._parent._parent.strip_levels[self.index * 2]
-                    0
+                        ),
-                    if self._parent._parent.channel_frame.strips[self.index].mute.get()
+                        self.convert_level(
-                    else 100 + (val - 18) + self.gain.get()
+                            self._parent._parent.strip_levels[self.index * 2 + 1]
+                        ),
+                    )
+                else:
+                    vals = (
+                        self.convert_level(
+                            self._parent._parent.strip_levels[
+                                self._parent.phys_in * 2
+                                + (self.index - self._parent.phys_in) * 8
+                            ]
+                        ),
+                        self.convert_level(
+                            self._parent._parent.strip_levels[
+                                self._parent.phys_in * 2
+                                + (self.index - self._parent.phys_in) * 8
+                                + 1
+                            ]
+                        ),
+                    )
+                peak = vals[0] if vals[0] > vals[1] else vals[0]
+                self.level.set(
+                    (
+                        0
+                        if self._parent._parent.channel_frame.strips[
+                            self.index
+                        ].mute.get()
+                        else 100 + (peak - 18) + self.gain.get()
+                    )
                 )
-            )
         self.after(
-            25 if not _base_vals.in_scale_button_1 else 100, self.watch_levels_step
+            _base_vals.ldelay if not _base_vals.in_scale_button_1 else 100,
+            self.watch_levels_step,
         )
 
 
@@ -175,6 +208,7 @@ class SubMixFrame(ttk.Frame):
     def __init__(self, parent):
         super().__init__(parent)
         self._parent = parent
+        self.phys_in, self.virt_in = parent.kind.ins
         self.phys_out, self.virt_out = parent.kind.outs
         self.buses = tuple(f"A{i+1}" for i in range(self.phys_out)) + tuple(
             f"B{i+1}" for i in range(self.virt_out)
@@ -232,7 +266,7 @@ class SubMixFrame(ttk.Frame):
     def watch_pdirty_step(self):
         if self._parent.pdirty:
             self.watch_labels()
-        self.after(1, self.watch_pdirty_step)
+        self.after(_base_vals.pdelay, self.watch_pdirty_step)
 
     def watch_labels(self):
         for i, gainlayer in enumerate(self.gainlayers):