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https://github.com/onyx-and-iris/vban-cmd-python.git
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remove gui from example (will readd later)
add observer to example
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onyx-and-iris
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# Simple Tkinter GUI
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No dependencies required, Tkinter should come packaged with Python 3.9+.
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This is a demonstration app with very limited control, showing strips across all three versions.
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### Use
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Ensure VBAN is enabled and the TEXT incoming stream is configured and ON.
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Set the kind_id, ip, streamname and port in the code.
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@ -1,159 +0,0 @@
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import tkinter as tk
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from functools import partial
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from tkinter import ttk
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from typing import NamedTuple
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import vban_cmd
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from vban_cmd import kinds
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class ExampleAppErrors(Exception):
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pass
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class App(tk.Tk):
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"""Topmost Level of App"""
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@classmethod
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def make(cls, kind: NamedTuple):
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"""
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Factory function for App
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Returns an App class of a kind
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"""
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APP_cls = type(
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f"App{kind.name}",
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(cls,),
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{
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"name": kind.name,
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"ins": kind.ins,
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"outs": kind.outs,
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},
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)
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return APP_cls
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def __init__(self):
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super().__init__()
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self.title(f"Voicemeeter{self.name} Example Program")
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self.phys_in, self.virt_in = self.ins
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self.col = self.phys_in + self.virt_in
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self.row = 3
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self.w = {"basic": 300, "banana": 600, "potato": 800}
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self.h = 150
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self.defaultsizes = {
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"basic": f"{self.w[self.name]}x{self.h}",
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"banana": f"{self.w[self.name]}x{self.h}",
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"potato": f"{self.w[self.name]}x{self.h}",
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}
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self.geometry(self.defaultsizes[self.name])
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""" create tkinter variables, generate widgets and configure rows/cols """
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self.gains = {
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"strip": [tk.DoubleVar() for i in range(self.phys_in + self.virt_in)],
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}
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self.levels = {
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"strip": [tk.DoubleVar() for i in range(self.phys_in + self.virt_in)],
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}
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[
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self._make_single_channel(i, j)
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for i, j in enumerate(i for i in range(0, self.col * 2, 2))
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]
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scales = [
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widget for widget in self.winfo_children() if isinstance(widget, tk.Scale)
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]
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[
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scale.bind("<Double-Button-1>", partial(self.reset_gain, index=i))
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for i, scale in enumerate(scales)
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]
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""" configure grid """
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self.col_row_configure()
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""" initiate watchers """
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[self.watch_levels(i) for i in range(self.col)]
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@property
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def id_(self):
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return "strip"
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def _make_single_channel(self, i, j):
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"""
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Creates a label, progressbar, scale, and mute
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"""
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ttk.Label(self, text=f"{vban.strip[i].label}").grid(
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column=j, row=0, columnspan=2
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)
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ttk.Progressbar(
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self,
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maximum=72,
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orient="vertical",
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mode="determinate",
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variable=self.levels[self.id_][i],
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).grid(column=j, row=1)
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ttk.Scale(
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self,
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from_=12.0,
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to=-60.0,
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orient="vertical",
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variable=self.gains[self.id_][i],
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command=partial(self.scale_callback, index=i),
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).grid(column=j + 1, row=1)
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ttk.Button(
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self,
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text="MUTE",
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command=partial(self.toggle, "mute", i),
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style=f"Mute{i}.TButton",
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).grid(column=j, row=2, columnspan=2, sticky=(tk.W, tk.E))
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def scale_callback(self, *args, index=None):
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"""callback function for scale widgets"""
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vban.strip[index].gain = self.gains[self.id_][index].get()
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def reset_gain(self, *args, index=None):
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"""reset gain to 0 when double click mouse"""
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vban.strip[index].gain = 0
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self.gains[self.id_][index].set(0)
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def toggle(self, param, index):
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"""toggles a strip parameter"""
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setattr(vban.strip[index], param, not getattr(vban.strip[index], param))
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def col_row_configure(self):
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[self.columnconfigure(i, weight=1) for i in range(self.col * 2)]
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[child.grid_configure(padx=1, pady=1) for child in self.winfo_children()]
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def watch_levels(self, i):
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self.after(1, self.watch_levels_step, i)
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def watch_levels_step(self, i):
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val = vban.strip[i].levels.prefader[0] + vban.strip[i].gain
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self.levels[self.id_][i].set((0 if vban.strip[i].mute else 100 + (val - 30)))
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self.after(20, self.watch_levels_step, i)
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_apps = {kind.name: App.make(kind) for kind in kinds.kinds_all}
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def connect(kind_id: str) -> App:
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"""return App of the kind requested"""
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try:
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APP_cls = _apps[kind_id]
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return APP_cls()
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except KeyError:
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raise ExampleAppErrors(f"Invalid kind: {kind_id}")
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if __name__ == "__main__":
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kind_id = "potato"
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opts = {
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# make sure VBAN is configured on remote machine then set IP accordingly
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"ip": "ws.local",
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"streamname": "workstation",
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"port": 6990,
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}
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with vban_cmd.api(kind_id, **opts) as vban:
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app = connect(kind_id)
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app.mainloop()
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43
examples/observer/__main__.py
Normal file
43
examples/observer/__main__.py
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import vban_cmd
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class Observer:
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def __init__(self, vban):
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self.vban = vban
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def on_update(self, subject):
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if subject == "pdirty":
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print("pdirty!")
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if subject == "ldirty":
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info = (
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f"[{self.vban.bus[0]} {self.vban.bus[0].levels.is_updated}]",
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f"[{self.vban.bus[1]} {self.vban.bus[1].levels.is_updated}]",
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f"[{self.vban.bus[2]} {self.vban.bus[2].levels.is_updated}]",
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f"[{self.vban.bus[3]} {self.vban.bus[3].levels.is_updated}]",
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f"[{self.vban.bus[4]} {self.vban.bus[4].levels.is_updated}]",
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f"[{self.vban.bus[5]} {self.vban.bus[5].levels.is_updated}]",
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f"[{self.vban.bus[6]} {self.vban.bus[6].levels.is_updated}]",
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f"[{self.vban.bus[7]} {self.vban.bus[7].levels.is_updated}]",
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)
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print(" ".join(info))
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def main():
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with vban_cmd.api(kind_id, **opts) as vban:
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obs = Observer(vban)
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vban.subject.add(obs)
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while cmd := input("Press <Enter> to exit\n"):
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if not cmd:
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break
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if __name__ == "__main__":
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kind_id = "potato"
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opts = {
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"ip": "<ip address>",
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"streamname": "Command1",
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"port": 6980,
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}
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main()
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