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Update bot manager and noisegate functions to try and improve the logic

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This commit is contained in:
Logan Cusano
2025-07-14 21:04:14 -04:00
parent b5191ef4d0
commit e7ff28da6e
2 changed files with 163 additions and 176 deletions
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177
app/internal/NoiseGatev2.py
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@@ -1,22 +1,17 @@
import audioop
import math
import time
import pyaudio
import discord
import numpy
from internal.logger import create_logger
voice_connection = None
LOGGER = create_logger(__name__)
# noinspection PyUnresolvedReferences
class AudioStream:
def __init__(self, _channels: int = 2, _sample_rate: int = 48000, _frames_per_buffer: int = 1024,
def __init__(self, _channels: int = 2, _sample_rate: int = 48000, _frames_per_buffer: int = 960,
_input_device_index: int = None, _output_device_index: int = None, _input: bool = True,
_output: bool = True, _init_on_startup: bool = True):
# NOTE: frames_per_buffer changed to 960 to match Discord's 20ms frame size
self.paInstance_kwargs = {
'format': pyaudio.paInt16,
'channels': _channels,
@@ -26,14 +21,14 @@ class AudioStream:
'frames_per_buffer': _frames_per_buffer
}
if _input_device_index:
if _input_device_index is not None:
if _input:
self.paInstance_kwargs['input_device_index'] = _input_device_index
else:
LOGGER.warning("[AudioStream.__init__]:\tInput was not enabled."
" Reinitialize with '_input=True'")
if _output_device_index:
if _output_device_index is not None:
if _output:
self.paInstance_kwargs['output_device_index'] = _output_device_index
else:
@@ -41,28 +36,24 @@ class AudioStream:
" Reinitialize with '_output=True'")
if _init_on_startup:
# Init PyAudio instance
LOGGER.info("Creating PyAudio instance")
self.paInstance = pyaudio.PyAudio()
# Define and initialize stream object if we have been passed a device ID (pyaudio.open)
self.stream = None
if _output_device_index or _input_device_index:
if _output_device_index is not None or _input_device_index is not None:
if _init_on_startup:
LOGGER.info("Init stream")
self.init_stream()
def init_stream(self, _new_output_device_index: int = None, _new_input_device_index: int = None):
# Check what device was asked to be changed (or set)
if _new_input_device_index:
if _new_input_device_index is not None:
if self.paInstance_kwargs['input']:
self.paInstance_kwargs['input_device_index'] = _new_input_device_index
else:
LOGGER.warning("[AudioStream.init_stream]:\tInput was not enabled when initialized."
" Reinitialize with '_input=True'")
if _new_output_device_index:
if _new_output_device_index is not None:
if self.paInstance_kwargs['output']:
self.paInstance_kwargs['output_device_index'] = _new_output_device_index
else:
@@ -70,143 +61,115 @@ class AudioStream:
" Reinitialize with '_output=True'")
self.close_if_open()
# Open the stream
self.stream = self.paInstance.open(**self.paInstance_kwargs)
def close_if_open(self):
# Stop the stream if it is started
if self.stream:
if self.stream.is_active():
self.stream.stop_stream()
self.stream.close()
LOGGER.debug("[ReopenStream.close_if_open]:\t Stream was open; It was closed.")
if self.stream and self.stream.is_active():
self.stream.stop_stream()
self.stream.close()
LOGGER.debug("[ReopenStream.close_if_open]:\t Stream was open; It was closed.")
def list_devices(self, _display_input_devices: bool = True, _display_output_devices: bool = True):
LOGGER.info('Getting a list of the devices connected')
info = self.paInstance.get_host_api_info_by_index(0)
numdevices = info.get('deviceCount')
devices = {
'Input': {},
'Output': {}
}
devices = {'Input': {}, 'Output': {}}
for i in range(0, numdevices):
if (self.paInstance.get_device_info_by_host_api_device_index(0, i).get('maxInputChannels')) > 0:
input_device = self.paInstance.get_device_info_by_host_api_device_index(0, i).get('name')
device_info = self.paInstance.get_device_info_by_host_api_device_index(0, i)
if (device_info.get('maxInputChannels')) > 0:
input_device = device_info.get('name')
devices['Input'][i] = input_device
if _display_input_devices:
LOGGER.debug(f"Input Device id {i} - {input_device}")
if (self.paInstance.get_device_info_by_host_api_device_index(0, i).get('maxOutputChannels')) > 0:
output_device = self.paInstance.get_device_info_by_host_api_device_index(0, i).get('name')
if (device_info.get('maxOutputChannels')) > 0:
output_device = device_info.get('name')
devices['Output'][i] = output_device
if _display_output_devices:
LOGGER.debug(f"Output Device id {i} - {output_device}")
return devices
async def stop(self):
await voice_connection.disconnect()
self.close_if_open()
self.stream.close()
self.paInstance.terminate()
# noinspection PyUnresolvedReferences
class NoiseGate(AudioStream):
def __init__(self, _voice_connection, _noise_gate_threshold: int, **kwargs):
super(NoiseGate, self).__init__(_init_on_startup=True, **kwargs)
global voice_connection
voice_connection = _voice_connection
self.voice_connection = _voice_connection
self.THRESHOLD = _noise_gate_threshold
self.NGStream = NoiseGateStream(self)
self.Voice_Connection_Thread = None
def run(self) -> None:
global voice_connection
# Start the audio stream
LOGGER.debug("Starting stream")
self.stream.start_stream()
# Start the stream to discord
self.core()
def core(self, error=None):
if error:
LOGGER.warning(error)
LOGGER.warning(f"Audio stream stopped unexpectedly with error: {error}")
return # Avoid recursion on error
if voice_connection.is_connected() and not voice_connection.is_playing():
if self.voice_connection.is_connected() and not self.voice_connection.is_playing():
LOGGER.debug("Playing stream to discord")
voice_connection.play(self.NGStream, after=self.core)
# The 'after' callback can be prone to loops, simplified here
self.voice_connection.play(self.NGStream, after=lambda e: self.core(e))
async def close(self):
LOGGER.debug("Closing")
await voice_connection.disconnect()
if self.stream.is_active:
self.stream.stop_stream()
LOGGER.debug("Stopping stream")
LOGGER.debug("Closing NoiseGate resources...")
if self.voice_connection and self.voice_connection.is_connected():
self.voice_connection.stop() # Stop sending audio
self.close_if_open() # Close PyAudio stream
if self.paInstance:
self.paInstance.terminate()
LOGGER.debug("NoiseGate resources closed.")
# noinspection PyUnresolvedReferences
class NoiseGateStream(discord.AudioSource):
def __init__(self, _stream):
def __init__(self, noise_gate_instance: NoiseGate):
super(NoiseGateStream, self).__init__()
self.stream = _stream # The actual audio stream object
self.NG_fadeout = 240 / 20 # Fadeout value used to hold the noisegate after de-triggering
self.NG_fadeout_count = 0 # A count set when the noisegate is triggered and was de-triggered
self.process_set_count = 0 # Counts how many processes have been made
self.noise_gate = noise_gate_instance
self.NG_fadeout = 12 # Equivalent to 240ms of audio frames (240 / 20ms)
self.NG_fadeout_count = 0
self.process_set_count = 0
def read(self):
try:
while voice_connection.is_connected():
curr_buffer = bytearray(self.stream.stream.read(960))
buffer_rms = audioop.rms(curr_buffer, 2)
if buffer_rms > 0:
buffer_decibel = 20 * math.log10(buffer_rms)
# Check connection status via the parent NoiseGate instance
if not self.noise_gate.voice_connection.is_connected():
return b''
if self.process_set_count % 10 == 0:
if buffer_decibel >= self.stream.THRESHOLD:
LOGGER.debug(f"[Noisegate Open] {buffer_decibel} db")
else:
LOGGER.debug(f"[Noisegate Closed] {buffer_decibel} db")
# Read from the PyAudio stream, also via the parent instance
curr_buffer = self.noise_gate.stream.read(960, exception_on_overflow=False)
if buffer_decibel >= self.stream.THRESHOLD:
self.NG_fadeout_count = self.NG_fadeout
self.process_set_count += 1
if curr_buffer:
return bytes(curr_buffer)
if not curr_buffer:
return b''
else:
if self.NG_fadeout_count > 0:
self.NG_fadeout_count -= 1
LOGGER.debug(f"Frames in fadeout remaining: {self.NG_fadeout_count}")
self.process_set_count += 1
if curr_buffer:
return bytes(curr_buffer)
buffer_rms = audioop.rms(curr_buffer, 2)
if buffer_rms > 0:
buffer_decibel = 20 * math.log10(buffer_rms)
if self.process_set_count % 10 == 0:
log_msg = f"[{'Open' if buffer_decibel >= self.noise_gate.THRESHOLD else 'Closed'}]"
LOGGER.debug(f"[NoiseGate {log_msg}] {buffer_decibel:.2f} dB")
if buffer_decibel >= self.noise_gate.THRESHOLD:
self.NG_fadeout_count = self.NG_fadeout
self.process_set_count += 1
return bytes(curr_buffer)
elif self.NG_fadeout_count > 0:
self.NG_fadeout_count -= 1
self.process_set_count += 1
return bytes(curr_buffer)
return b'' # Return silence if below threshold and not in fadeout
except IOError as e:
LOGGER.error(f"PyAudio IOError in read(): {e}")
return b'' # Return silence to not break the Discord audio pump
except Exception as e:
LOGGER.warning(e)
pass
def audio_datalist_set_volume(self, datalist, volume):
""" Change value of list of audio chunks """
sound_level = (volume / 100.)
for i in range(len(datalist)):
chunk = numpy.fromstring(datalist[i], numpy.int16)
chunk = chunk * sound_level
datalist[i] = chunk.astype(numpy.int16)
if __name__ == '__main__':
input_index = int(input("Input:\t"))
output_index = int(input("Output:\t"))
ng = NoiseGate(_input_device_index=input_index, _output_device_index=output_index)
ng.list_devices()
ng.start()
LOGGER.error(f"Unhandled exception in NoiseGateStream.read: {e}", exc_info=True)
return b''