obsws-python/examples/levels/__main__.py
2022-10-26 12:13:32 +01:00

47 lines
1.1 KiB
Python

from enum import IntEnum
from math import log
import obsws_python as obs
LEVELTYPE = IntEnum(
"LEVELTYPE",
"VU POSTFADER PREFADER",
start=0,
)
def on_input_mute_state_changed(data):
"""An input's mute state has changed."""
if data.input_name == DEVICE:
print(f"{DEVICE} mute toggled")
def on_input_volume_meters(data):
"""volume level update every 50 milliseconds"""
def fget(x):
return round(20 * log(x, 10), 1) if x > 0 else -200.0
for device in data.inputs:
name = device["inputName"]
if name == DEVICE and device["inputLevelsMul"]:
left, right = device["inputLevelsMul"]
print(
f"{name} [L: {fget(left[LEVELTYPE.POSTFADER])}, R: {fget(right[LEVELTYPE.POSTFADER])}]",
)
def main():
client = obs.EventClient(subs=(obs.Subs.LOW_VOLUME | obs.Subs.INPUTVOLUMEMETERS))
client.callback.register([on_input_volume_meters, on_input_mute_state_changed])
while cmd := input("<Enter> to exit>\n"):
if not cmd:
break
if __name__ == "__main__":
DEVICE = "Desktop Audio"
main()