remove SileroVAD() frame processor

This commit is contained in:
Aleix Conchillo Flaqué
2025-05-15 11:43:35 -07:00
parent a51af35024
commit 95c25efab7
4 changed files with 5 additions and 204 deletions

View File

@@ -1,97 +0,0 @@
#
# Copyright (c) 20242025, Daily
#
# SPDX-License-Identifier: BSD 2-Clause License
#
from typing import Optional
from loguru import logger
from pipecat.audio.vad.silero import SileroVADAnalyzer
from pipecat.audio.vad.vad_analyzer import VADParams, VADState
from pipecat.frames.frames import (
AudioRawFrame,
Frame,
StartFrame,
StartInterruptionFrame,
StopInterruptionFrame,
UserStartedSpeakingFrame,
UserStoppedSpeakingFrame,
)
from pipecat.processors.frame_processor import FrameDirection, FrameProcessor
class SileroVAD(FrameProcessor):
def __init__(
self,
*,
sample_rate: Optional[int] = None,
vad_params: VADParams = VADParams(),
audio_passthrough: bool = False,
):
super().__init__()
self._vad_analyzer = SileroVADAnalyzer(sample_rate=sample_rate, params=vad_params)
self._audio_passthrough = audio_passthrough
self._processor_vad_state: VADState = VADState.QUIET
#
# FrameProcessor
#
async def process_frame(self, frame: Frame, direction: FrameDirection):
await super().process_frame(frame, direction)
if isinstance(frame, StartFrame):
self._vad_analyzer.set_sample_rate(frame.audio_in_sample_rate)
if isinstance(frame, AudioRawFrame):
await self._analyze_audio(frame)
if self._audio_passthrough:
await self.push_frame(frame, direction)
else:
await self.push_frame(frame, direction)
#
# Handle interruptions
#
async def _handle_interruptions(self, frame: Frame):
if self.interruptions_allowed:
# Make sure we notify about interruptions quickly out-of-band.
if isinstance(frame, UserStartedSpeakingFrame):
logger.debug("User started speaking")
await self._start_interruption()
# Push an out-of-band frame (i.e. not using the ordered push
# frame task) to stop everything, specially at the output
# transport.
await self.push_frame(StartInterruptionFrame())
elif isinstance(frame, UserStoppedSpeakingFrame):
logger.debug("User stopped speaking")
await self._stop_interruption()
await self.push_frame(StopInterruptionFrame())
await self.push_frame(frame)
async def _analyze_audio(self, frame: AudioRawFrame):
# Check VAD and push event if necessary. We just care about changes
# from QUIET to SPEAKING and vice versa.
new_vad_state = self._vad_analyzer.analyze_audio(frame.audio)
if (
new_vad_state != self._processor_vad_state
and new_vad_state != VADState.STARTING
and new_vad_state != VADState.STOPPING
):
new_frame = None
if new_vad_state == VADState.SPEAKING:
new_frame = UserStartedSpeakingFrame()
elif new_vad_state == VADState.QUIET:
new_frame = UserStoppedSpeakingFrame()
if new_frame:
await self._handle_interruptions(new_frame)
self._processor_vad_state = new_vad_state