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Fix Race risks if process_audio is called concurrently.

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Xin Wang
2026-02-06 08:26:56 +08:00
parent 26458faa6c
commit 0576231d8d
1 changed files with 47 additions and 45 deletions
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2
core/duplex_pipeline.py
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@@ -111,6 +111,7 @@ class DuplexPipeline:
max_buffer_seconds = settings.max_audio_buffer_seconds if hasattr(settings, "max_audio_buffer_seconds") else 30 max_buffer_seconds = settings.max_audio_buffer_seconds if hasattr(settings, "max_audio_buffer_seconds") else 30
self._max_audio_buffer_bytes = int(settings.sample_rate * 2 * max_buffer_seconds) self._max_audio_buffer_bytes = int(settings.sample_rate * 2 * max_buffer_seconds)
self._last_vad_status: str = "Silence" self._last_vad_status: str = "Silence"
self._process_lock = asyncio.Lock()
# Interruption handling # Interruption handling
self._interrupt_event = asyncio.Event() self._interrupt_event = asyncio.Event()
@@ -208,6 +209,7 @@ class DuplexPipeline:
return return
try: try:
async with self._process_lock:
# 1. Process through VAD # 1. Process through VAD
vad_result = self.vad_processor.process(pcm_bytes, settings.chunk_size_ms) vad_result = self.vad_processor.process(pcm_bytes, settings.chunk_size_ms)