mirror of
https://github.com/onyx-and-iris/vban-cmd-python.git
synced 2024-09-27 13:17:01 +01:00
289 lines
8.9 KiB
Python
289 lines
8.9 KiB
Python
from dataclasses import dataclass
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from typing import Generator
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VBAN_SERVICE_RTPACKETREGISTER = 32
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VBAN_SERVICE_RTPACKET = 33
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MAX_PACKET_SIZE = 1436
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HEADER_SIZE = 4 + 1 + 1 + 1 + 1 + 16 + 4
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@dataclass
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class VBAN_VMRT_Packet_Data:
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"""Represents the structure of a VMRT data packet"""
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_voicemeeterType: bytes
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_reserved: bytes
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_buffersize: bytes
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_voicemeeterVersion: bytes
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_optionBits: bytes
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_samplerate: bytes
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_inputLeveldB100: bytes
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_outputLeveldB100: bytes
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_TransportBit: bytes
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_stripState: bytes
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_busState: bytes
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_stripGaindB100Layer1: bytes
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_stripGaindB100Layer2: bytes
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_stripGaindB100Layer3: bytes
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_stripGaindB100Layer4: bytes
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_stripGaindB100Layer5: bytes
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_stripGaindB100Layer6: bytes
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_stripGaindB100Layer7: bytes
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_stripGaindB100Layer8: bytes
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_busGaindB100: bytes
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_stripLabelUTF8c60: bytes
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_busLabelUTF8c60: bytes
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def pdirty(self, other):
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"""True iff any defined parameter has changed"""
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return not (
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self._stripState == other._stripState
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and self._busState == other._busState
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and self._stripLabelUTF8c60 == other._stripLabelUTF8c60
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and self._busLabelUTF8c60 == other._busLabelUTF8c60
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and self._stripGaindB100Layer1 == other._stripGaindB100Layer1
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and self._stripGaindB100Layer2 == other._stripGaindB100Layer2
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and self._stripGaindB100Layer3 == other._stripGaindB100Layer3
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and self._stripGaindB100Layer4 == other._stripGaindB100Layer4
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and self._stripGaindB100Layer5 == other._stripGaindB100Layer5
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and self._stripGaindB100Layer6 == other._stripGaindB100Layer6
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and self._stripGaindB100Layer7 == other._stripGaindB100Layer7
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and self._stripGaindB100Layer8 == other._stripGaindB100Layer8
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and self._busGaindB100 == other._busGaindB100
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)
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@property
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def voicemeetertype(self) -> str:
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"""returns voicemeeter type as a string"""
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type_ = ("basic", "banana", "potato")
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return type_[int.from_bytes(self._voicemeeterType, "little") - 1]
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@property
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def voicemeeterversion(self) -> tuple:
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"""returns voicemeeter version as a tuple"""
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return tuple(
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reversed(
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tuple(
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int.from_bytes(self._voicemeeterVersion[i : i + 1], "little")
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for i in range(4)
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)
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)
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)
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@property
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def samplerate(self) -> int:
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"""returns samplerate as an int"""
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return int.from_bytes(self._samplerate, "little")
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@property
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def inputlevels(self) -> Generator[float, None, None]:
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"""returns the entire level array across all inputs"""
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for i in range(0, 68, 2):
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val = ((1 << 16) - 1) - int.from_bytes(
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self._inputLeveldB100[i : i + 2], "little"
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)
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if val != ((1 << 16) - 1):
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yield val
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@property
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def outputlevels(self) -> Generator[float, None, None]:
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"""returns the entire level array across all outputs"""
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for i in range(0, 128, 2):
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val = ((1 << 16) - 1) - int.from_bytes(
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self._outputLeveldB100[i : i + 2], "little"
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)
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if val != ((1 << 16) - 1):
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yield val
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@property
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def stripstate(self) -> tuple:
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"""returns tuple of strip states accessable through bit modes"""
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return tuple(self._stripState[i : i + 4] for i in range(0, 32, 4))
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@property
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def busstate(self) -> tuple:
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"""returns tuple of bus states accessable through bit modes"""
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return tuple(self._busState[i : i + 4] for i in range(0, 32, 4))
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"""
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these functions return an array of gainlayers[i] across all strips
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ie stripgainlayer1 = [strip[0].gainlayer[0], strip[1].gainlayer[0], strip[2].gainlayer[0]...]
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"""
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@property
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def stripgainlayer1(self) -> tuple:
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return tuple(
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((1 << 16) - 1)
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- int.from_bytes(self._stripGaindB100Layer1[i : i + 2], "little")
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for i in range(0, 16, 2)
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)
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@property
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def stripgainlayer2(self) -> tuple:
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return tuple(
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((1 << 16) - 1)
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- int.from_bytes(self._stripGaindB100Layer2[i : i + 2], "little")
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for i in range(0, 16, 2)
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)
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@property
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def stripgainlayer3(self) -> tuple:
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return tuple(
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((1 << 16) - 1)
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- int.from_bytes(self._stripGaindB100Layer3[i : i + 2], "little")
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for i in range(0, 16, 2)
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)
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@property
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def stripgainlayer4(self) -> tuple:
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return tuple(
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((1 << 16) - 1)
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- int.from_bytes(self._stripGaindB100Layer4[i : i + 2], "little")
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for i in range(0, 16, 2)
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)
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@property
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def stripgainlayer5(self) -> tuple:
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return tuple(
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((1 << 16) - 1)
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- int.from_bytes(self._stripGaindB100Layer5[i : i + 2], "little")
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for i in range(0, 16, 2)
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)
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@property
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def stripgainlayer6(self) -> tuple:
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return tuple(
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((1 << 16) - 1)
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- int.from_bytes(self._stripGaindB100Layer6[i : i + 2], "little")
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for i in range(0, 16, 2)
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)
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@property
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def stripgainlayer7(self) -> tuple:
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return tuple(
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((1 << 16) - 1)
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- int.from_bytes(self._stripGaindB100Layer7[i : i + 2], "little")
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for i in range(0, 16, 2)
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)
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@property
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def stripgainlayer8(self) -> tuple:
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return tuple(
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((1 << 16) - 1)
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- int.from_bytes(self._stripGaindB100Layer8[i : i + 2], "little")
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for i in range(0, 16, 2)
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)
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@property
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def busgain(self) -> tuple:
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"""returns tuple of bus gains"""
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return tuple(
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((1 << 16) - 1) - int.from_bytes(self._busGaindB100[i : i + 2], "little")
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for i in range(0, 16, 2)
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)
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@property
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def striplabels(self) -> tuple:
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"""returns tuple of strip labels"""
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return tuple(
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self._stripLabelUTF8c60[i : i + 60].decode().split("\x00")[0]
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for i in range(0, 480, 60)
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)
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@property
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def buslabels(self) -> tuple:
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"""returns tuple of bus labels"""
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return tuple(
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self._busLabelUTF8c60[i : i + 60].decode().split("\x00")[0]
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for i in range(0, 480, 60)
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)
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@dataclass
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class VBAN_VMRT_Packet_Header:
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"""Represents a RESPONSE RT PACKET header"""
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name = "Voicemeeter-RTP"
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vban: bytes = "VBAN".encode()
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format_sr: bytes = (0x60).to_bytes(1, "little")
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format_nbs: bytes = (0).to_bytes(1, "little")
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format_nbc: bytes = (VBAN_SERVICE_RTPACKET).to_bytes(1, "little")
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format_bit: bytes = (0).to_bytes(1, "little")
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streamname: bytes = name.encode("ascii") + bytes(16 - len(name))
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@property
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def header(self):
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header = self.vban
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header += self.format_sr
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header += self.format_nbs
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header += self.format_nbc
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header += self.format_bit
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header += self.streamname
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assert len(header) == HEADER_SIZE - 4, f"Header expected {HEADER_SIZE-4} bytes"
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return header
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@dataclass
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class TextRequestHeader:
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"""Represents a REQUEST RT PACKET header"""
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name: str
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bps_index: int
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channel: int
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vban: bytes = "VBAN".encode()
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nbs: bytes = (0).to_bytes(1, "little")
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bit: bytes = (0x10).to_bytes(1, "little")
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framecounter: bytes = (0).to_bytes(4, "little")
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@property
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def sr(self):
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return (0x40 + self.bps_index).to_bytes(1, "little")
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@property
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def nbc(self):
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return (self.channel).to_bytes(1, "little")
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@property
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def streamname(self):
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return self.name.encode() + bytes(16 - len(self.name))
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@property
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def header(self):
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header = self.vban
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header += self.sr
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header += self.nbs
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header += self.nbc
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header += self.bit
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header += self.streamname
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header += self.framecounter
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assert len(header) == HEADER_SIZE, f"Header expected {HEADER_SIZE} bytes"
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return header
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@dataclass
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class RegisterRTHeader:
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"""Represents a REGISTER RT PACKET header"""
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name = "Register RTP"
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timeout = 15
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vban: bytes = "VBAN".encode()
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format_sr: bytes = (0x60).to_bytes(1, "little")
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format_nbs: bytes = (0).to_bytes(1, "little")
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format_nbc: bytes = (VBAN_SERVICE_RTPACKETREGISTER).to_bytes(1, "little")
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format_bit: bytes = (timeout & 0x000000FF).to_bytes(1, "little") # timeout
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streamname: bytes = name.encode("ascii") + bytes(16 - len(name))
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framecounter: bytes = (0).to_bytes(4, "little")
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@property
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def header(self):
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header = self.vban
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header += self.format_sr
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header += self.format_nbs
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header += self.format_nbc
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header += self.format_bit
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header += self.streamname
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header += self.framecounter
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assert len(header) == HEADER_SIZE, f"Header expected {HEADER_SIZE} bytes"
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return header
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