Mel/linux-audiomixer
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add main logic for everything I need

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Mel
2025-12-06 04:30:11 +01:00
parent 5dd435dcbf
commit 193e99d955
1 changed files with 131 additions and 45 deletions
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176
src/midimixer/main.py
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@@ -1,3 +1,5 @@
#! /usr/bin/env python3
import json
import mido
import subprocess
@@ -57,46 +59,52 @@ nanoKontrol2_mapping: dict[int, str] = {
}
audiomixer_mapping = {
"Slider_1": "mic1.output",
"Solo_1": "mic1.output",
"Mute_1": "mic1.output",
"Record_1": "mic1.output",
"Slider_2": "mic2.output",
"Solo_2": "mic2.output",
"Mute_2": "mic2.output",
"Record_2": "mic2.output",
"Slider_3": "system.output",
"Solo_3": "system.output",
"Mute_3": "system.output",
"Record_3": "system.output",
"Slider_4": "discord.output",
"Solo_4": "discord.output",
"Mute_4": "discord.output",
"Record_4": "discord.output",
"Slider_5": "music.output",
"Solo_5": "music.output",
"Mute_5": "music.output",
"Record_5": "music.output",
"Slider_6": "music.output",
"Solo_6": "music.output",
"Mute_6": "music.output",
"Record_6": "music.output",
"Slider_7": "music.output",
"Solo_7": "music.output",
"Mute_7": "music.output",
"Record_7": "music.output",
"Slider_8": "browser.output",
"Solo_8": "browser.output",
"Mute_8": "browser.output",
"Record_8": "browser.output",
"Slider_1": "mic1.input",
"Solo_1": "mic1.input",
"Mute_1": "mic1.input",
"Record_1": "obs_mic1.input",
"Slider_2": "mic2.input",
"Solo_2": "mic2.input",
"Mute_2": "mic2.input",
# "Record_2": "mic2.input",
"Slider_3": "system.input",
"Solo_3": "system.input",
"Mute_3": "system.input",
"Record_3": "obs_game.input",
"Slider_4": "discord.input",
"Solo_4": "discord.input",
"Mute_4": "discord.input",
"Record_4": "obs_discord.input",
"Slider_5": "music.input",
"Solo_5": "music.input",
"Mute_5": "music.input",
"Record_5": "obs_music.input",
"Slider_6": "obs.input",
"Solo_6": "obs.input",
"Mute_6": "obs.input",
# "Record_6": "obs.input",
"Slider_7": "music.input",
"Solo_7": "music.input",
"Mute_7": "music.input",
# "Record_7": "music.input",
"Slider_8": "browser.input",
"Solo_8": "browser.input",
"Mute_8": "browser.input",
"Record_8": "obs_browser.input",
"Knob_1": "alsa_output.usb-Focusrite_Scarlett_2i2_USB_Y8T4J6E095585D-00.Direct__Direct__sink",
"Knob_2": "alsa_output.pci-0000_10_00.4.analog-stereo",
"Knob_3": "obs_system.output",
"Knob_4": "obs_discord.output",
"Knob_5": "obs_music.output",
"Knob_8": "obs_browser.output",
"Prev": "XF86Previous",
"Next": "XF86Next",
"Knob_2": "alsa_output.pci-0000_7d_00.6.analog-stereo",
"Knob_3": "obs_game.input",
"Knob_4": "obs_discord.input",
"Knob_5": "obs_music.input",
"Knob_8": "obs_browser.input",
"Prev": "XF86AudioPrev",
"Next": "XF86AudioNext",
"Play": "XF86AudioPlay",
"Stop": "XF86AudioStop",
"Record": "alsa_output.pci-0000_7d_00.6.analog-stereo",
"Marker_set": "vts ctrl+v+2",
"Marker_prev": "vts ctrl+v+3",
"Cycle": "vts ctrl+v+0",
}
@@ -183,27 +191,105 @@ def set_volume(volume: int, device: str) -> None:
subprocess.Popen(["/usr/bin/wpctl", "set-volume", device_id, str(volume)])
def press_hotkey(hotkey: str) -> None:
subprocess.Popen(["/usr/bin/xdotool", "key", hotkey])
def reset() -> None:
for channel in audiomixer_mapping:
if channel.startswith("Mute_") or channel == "Record":
set_mute(False, audiomixer_mapping[channel])
elif channel.startswith("Record_"):
set_mute(True, audiomixer_mapping[channel])
def vts_hotkey(hotkey: str) -> None:
vts = subprocess.run(
["/usr/bin/xdotool", "search", "--name", "Vtube Studio"],
capture_output=True,
text=True,
).stdout
subprocess.Popen(
[
"/usr/bin/xdotool",
"key",
"--window",
vts,
f"{hotkey}",
]
)
def main():
with mido.open_input("nanoKONTROL2:nanoKONTROL2 _ CTRL 28:0") as mixer:
midi_device = [
device for device in mido.get_input_names() if "nanoKONTROL2" in device
]
# Unmute all channels for me and mute all OBS channels when program starts (usually at boot)
reset()
with mido.open_input(midi_device[0]) as mixer:
for update in mixer:
midi_input = nanoKontrol2_mapping[update.control]
# Mute speakers
if midi_input == "Record":
if update.value == 127:
set_mute(toggle=True, device=audiomixer_mapping["Knob_2"])
else:
set_mute(toggle=False, device=audiomixer_mapping["Knob_2"])
# Set volume per channel
if midi_input in sliders:
set_volume(
volume=update.value,
device=audiomixer_mapping[nanoKontrol2_mapping[update.control]],
)
if midi_input in buttons:
if midi_input.startswith("Mute") and update.value == 127:
set_mute(toggle=True, device=audiomixer_mapping[midi_input])
elif midi_input.startswith("Mute") and update.value == 0:
set_mute(toggle=False, device=audiomixer_mapping[midi_input])
# Muting channels for user
if (
midi_input in buttons
and midi_input.startswith("Mute_")
and update.value == 127
):
set_mute(toggle=True, device=audiomixer_mapping[midi_input])
elif (
midi_input in buttons
and midi_input.startswith("Mute_")
and update.value == 0
):
set_mute(toggle=False, device=audiomixer_mapping[midi_input])
# Enabling channels for OBS
if (
midi_input in buttons
and midi_input.startswith("Record_")
and update.value == 0
):
set_mute(toggle=True, device=audiomixer_mapping[midi_input])
elif (
midi_input in buttons
and midi_input.startswith("Record_")
and update.value == 127
):
set_mute(toggle=False, device=audiomixer_mapping[midi_input])
# Media controls
if midi_input in ["Prev", "Next"] and update.value == 127:
press_hotkey(hotkey=audiomixer_mapping[midi_input])
if midi_input in ["Play", "Stop"] and (
update.value == 127 or update.value == 0
):
press_hotkey(hotkey=audiomixer_mapping[midi_input])
try:
if (
midi_input in ["Marker_prev", "Marker_next"] and update.value == 127
) or midi_input in ["Cycle", "Marker_set"]:
if audiomixer_mapping[midi_input].startswith("vts"):
vts_hotkey(hotkey=audiomixer_mapping[midi_input].split(" ")[1])
except KeyError:
pass
# TODO define mixers in config files
# TODO user config for audio streams