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feat: add silence detection callbacks for microphone control #89

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feat: add silence detection callbacks for microphone control #89

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10 changes: 10 additions & 0 deletions moshi/moshi/models/lm.py
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Original file line number Diff line number Diff line change
Expand Up @@ -657,6 +657,8 @@ def __init__(
report_loss: bool = False,
return_logits: bool = False,
audio_silence_frame_cnt: int = 1,
on_silence_start: Optional[Callable] = None,
on_speech_start: Optional[Callable] = None,
text_prompt_tokens: Optional[list[int]] = None,
save_voice_prompt_embeddings: bool = False,
sample_rate: int = 32000,
Expand All @@ -673,6 +675,8 @@ def __init__(
self.top_k_text = top_k_text
self.text_prompt_tokens = text_prompt_tokens
self.audio_silence_frame_cnt = audio_silence_frame_cnt
self.on_silence_start = on_silence_start
self.on_speech_start = on_speech_start
self.voice_prompt = None
self.zero_text_code = 3
self._frame_rate = frame_rate
Expand Down Expand Up @@ -1089,9 +1093,15 @@ def _step_audio_silence(self):
pass

async def _step_audio_silence_async(self, is_alive: Optional[Callable]=None):
# Notify silence started if callback provided
if self.on_silence_start is not None:
await self.on_silence_start()
for _ in self._step_audio_silence_core():
if is_alive is not None and not await is_alive():
break
# Notify silence ended (speech starting) if callback provided
if self.on_speech_start is not None:
await self.on_speech_start()

def _step_text_prompt_core(self) -> Iterator[None]:
for text_prompt_token in self.text_prompt_tokens:
Expand Down