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fix(plugins/sarvam): shorten TTS WS pool duration to 50s and refresh on get #5704

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fix(plugins/sarvam): shorten TTS WS pool duration to 50s and refresh on get #5704

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8 changes: 6 additions & 2 deletions livekit-plugins/livekit-plugins-sarvam/livekit/plugins/sarvam/tts.py
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Original file line number Diff line number Diff line change
Expand Up @@ -468,8 +468,12 @@ def __init__(
self._pool = utils.ConnectionPool[aiohttp.ClientWebSocketResponse](
connect_cb=self._connect_ws,
close_cb=self._close_ws,
max_session_duration=3600, # 1 hour
mark_refreshed_on_get=False,
# Sarvam's server closes the WebSocket after 60 s of inactivity
# (https://docs.sarvam.ai/api-reference-docs/api-guides-tutorials/text-to-speech/streaming-api/web-socket),
# so the pool must recycle connections well before that threshold and
# treat each get() as a refresh, mirroring Cartesia / Neuphonic / Murf / AsyncAI.
max_session_duration=50,
mark_refreshed_on_get=True,
)

async def _connect_ws(self, timeout: float) -> aiohttp.ClientWebSocketResponse:
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