mirror of
https://github.com/onyx-and-iris/voicemeeter-api-python.git
synced 2024-11-22 19:10:47 +00:00
323 lines
7.6 KiB
Python
323 lines
7.6 KiB
Python
import time
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from abc import abstractmethod
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from enum import IntEnum
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from math import log
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from typing import Union
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from .iremote import IRemote
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from .kinds import kinds_all
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from .meta import bus_mode_prop, device_prop, float_prop
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BusModes = IntEnum(
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"BusModes",
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"normal amix bmix repeat composite tvmix upmix21 upmix41 upmix61 centeronly lfeonly rearonly",
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start=0,
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)
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class Bus(IRemote):
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"""
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Implements the common interface
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Defines concrete implementation for bus
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"""
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@abstractmethod
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def __str__(self):
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pass
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@property
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def identifier(self) -> str:
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return f"bus[{self.index}]"
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@property
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def mute(self) -> bool:
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return self.getter("mute") == 1
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@mute.setter
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def mute(self, val: bool):
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self.setter("mute", 1 if val else 0)
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@property
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def mono(self) -> bool:
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return self.getter("mono") == 1
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@mono.setter
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def mono(self, val: bool):
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self.setter("mono", 1 if val else 0)
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@property
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def eq(self) -> bool:
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return self.getter("eq.On") == 1
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@eq.setter
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def eq(self, val: bool):
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self.setter("eq.On", 1 if val else 0)
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@property
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def eq_ab(self) -> bool:
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return self.getter("eq.ab") == 1
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@eq_ab.setter
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def eq_ab(self, val: bool):
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self.setter("eq.ab", 1 if val else 0)
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@property
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def sel(self) -> bool:
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return self.getter("sel") == 1
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@sel.setter
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def sel(self, val: bool):
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self.setter("sel", 1 if val else 0)
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@property
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def label(self) -> str:
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return self.getter("Label", is_string=True)
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@label.setter
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def label(self, val: str):
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self.setter("Label", str(val))
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@property
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def gain(self) -> float:
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return round(self.getter("gain"), 1)
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@gain.setter
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def gain(self, val: float):
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self.setter("gain", val)
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@property
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def monitor(self) -> bool:
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return self.getter("monitor") == 1
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@monitor.setter
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def monitor(self, val: bool):
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self.setter("monitor", 1 if val else 0)
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def fadeto(self, target: float, time_: int):
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self.setter("FadeTo", f"({target}, {time_})")
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time.sleep(self._remote.DELAY)
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def fadeby(self, change: float, time_: int):
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self.setter("FadeBy", f"({change}, {time_})")
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time.sleep(self._remote.DELAY)
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class PhysicalBus(Bus):
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@classmethod
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def make(cls, remote, i, kind):
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"""
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Factory method for PhysicalBus.
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Returns a PhysicalBus class.
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"""
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kls = (cls,)
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if kind.name == "potato":
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EFFECTS_cls = _make_effects_mixin()
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kls += (EFFECTS_cls,)
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return type(
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"PhysicalBus",
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kls,
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{
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"device": BusDevice.make(remote, i),
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},
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)
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def __str__(self):
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return f"{type(self).__name__}{self.index}"
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class BusDevice(IRemote):
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@classmethod
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def make(cls, remote, i):
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"""
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Factory function for bus.device.
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Returns a BusDevice class of a kind.
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"""
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DEVICE_cls = type(
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f"BusDevice{remote.kind}",
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(cls,),
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{
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**{
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param: device_prop(param)
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for param in [
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"wdm",
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"ks",
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"mme",
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"asio",
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]
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},
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},
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)
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return DEVICE_cls(remote, i)
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@property
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def identifier(self) -> str:
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return f"Bus[{self.index}].device"
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@property
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def name(self) -> str:
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return self.getter("name", is_string=True)
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@property
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def sr(self) -> int:
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return int(self.getter("sr"))
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class VirtualBus(Bus):
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@classmethod
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def make(cls, kind):
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"""
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Factory method for VirtualBus.
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If basic kind subclass physical bus.
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Returns a VirtualBus class.
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"""
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kls = (cls,)
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if kind.name == "basic":
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kls += (PhysicalBus,)
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elif kind.name == "potato":
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EFFECTS_cls = _make_effects_mixin()
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kls += (EFFECTS_cls,)
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return type("VirtualBus", kls, {})
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def __str__(self):
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return f"{type(self).__name__}{self.index}"
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class BusLevel(IRemote):
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def __init__(self, remote, index):
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super().__init__(remote, index)
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self.range = _make_bus_level_maps[remote.kind.name][self.index]
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def getter(self, mode):
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"""
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Returns a tuple of level values for the channel.
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If observables thread running and level updates are subscribed to, fetch values from cache
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Otherwise call CAPI func.
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"""
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def fget(x):
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return round(20 * log(x, 10), 1) if x > 0 else -200.0
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if self._remote.running and self._remote.event.ldirty:
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vals = self._remote.cache["bus_level"][self.range[0] : self.range[-1]]
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else:
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vals = [self._remote.get_level(mode, i) for i in range(*self.range)]
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return tuple(fget(val) for val in vals)
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@property
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def identifier(self) -> str:
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return f"Bus[{self.index}]"
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@property
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def all(self) -> tuple:
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return self.getter(3)
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@property
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def isdirty(self) -> bool:
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"""
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Returns dirty status for this specific channel.
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Expected to be used in a callback only.
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"""
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if self._remote.running:
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return any(self._remote._bus_comp[self.range[0] : self.range[-1]])
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is_updated = isdirty
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def make_bus_level_map(kind):
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return tuple((i, i + 8) for i in range(0, (kind.phys_out + kind.virt_out) * 8, 8))
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_make_bus_level_maps = {kind.name: make_bus_level_map(kind) for kind in kinds_all}
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def _make_bus_mode_mixin():
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"""Creates a mixin of Bus Modes."""
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def identifier(self) -> str:
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return f"Bus[{self.index}].mode"
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def get(self) -> str:
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time.sleep(0.01)
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for i, val in enumerate(
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[
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self.amix,
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self.bmix,
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self.repeat,
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self.composite,
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self.tvmix,
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self.upmix21,
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self.upmix41,
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self.upmix61,
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self.centeronly,
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self.lfeonly,
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self.rearonly,
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]
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):
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if val:
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return BusModes(i + 1).name
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return "normal"
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return type(
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"BusModeMixin",
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(IRemote,),
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{
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"identifier": property(identifier),
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**{mode.name: bus_mode_prop(mode.name) for mode in BusModes},
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"get": get,
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},
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)
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def _make_effects_mixin():
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"""creates an fx mixin"""
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return type(
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"FX",
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(),
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{
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**{
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f"return{param}": float_prop(f"return{param}")
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for param in ["reverb", "delay", "fx1", "fx2"]
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},
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},
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)
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def bus_factory(is_phys_bus, remote, i) -> Union[PhysicalBus, VirtualBus]:
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"""
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Factory method for buses
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Returns a physical or virtual bus subclass
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"""
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BUS_cls = (
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PhysicalBus.make(remote, i, remote.kind)
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if is_phys_bus
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else VirtualBus.make(remote.kind)
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)
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BUSMODEMIXIN_cls = _make_bus_mode_mixin()
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return type(
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f"{BUS_cls.__name__}{remote.kind}",
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(BUS_cls,),
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{
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"levels": BusLevel(remote, i),
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"mode": BUSMODEMIXIN_cls(remote, i),
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},
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)(remote, i)
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def request_bus_obj(phys_bus, remote, i) -> Bus:
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"""
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Bus entry point. Wraps factory method.
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Returns a reference to a bus subclass of a kind
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"""
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return bus_factory(phys_bus, remote, i)
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