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Fixing metrics and adding extra guard after sanitization.

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This commit is contained in:
filipi87
2026-05-12 16:11:01 -03:00
parent 7f98dba925
commit c2bdc1aada
1 changed files with 9 additions and 4 deletions
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13
src/pipecat/services/nvidia/sagemaker/tts.py
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@@ -174,7 +174,7 @@ class NvidiaSageMakerHTTPTTSService(TTSService):
logger.debug(f"{self}: Generating TTS [{text}]")
text = sanitize_text_for_tts(text)
if not text:
if not text or not any(c.isalnum() for c in text):
return
try:
@@ -199,8 +199,12 @@ class NvidiaSageMakerHTTPTTSService(TTSService):
yield ErrorFrame(error="SageMaker TTS returned no audio stream")
return
first_chunk = True
async for chunk in response["Body"].iter_chunks(chunk_size=self.chunk_size):
if chunk:
if first_chunk:
await self.stop_ttfb_metrics()
first_chunk = False
yield TTSAudioRawFrame(
audio=chunk,
sample_rate=self.sample_rate,
@@ -210,8 +214,8 @@ class NvidiaSageMakerHTTPTTSService(TTSService):
except Exception as e:
logger.error(f"{self}: SageMaker TTS error: {e}")
yield ErrorFrame(error=f"SageMaker TTS error: {e}")
finally:
await self.stop_ttfb_metrics()
await self.start_tts_usage_metrics(text)
@dataclass
@@ -489,7 +493,7 @@ class NvidiaSageMakerWebsocketTTSService(InterruptibleTTSService):
text = sanitize_text_for_tts(text)
logger.debug(f"{self}: sanitized text: {text}")
if not text:
if not text or not any(c.isalnum() for c in text):
return
try:
@@ -499,6 +503,7 @@ class NvidiaSageMakerWebsocketTTSService(InterruptibleTTSService):
assert self._client is not None
await self._client.send_json({"type": "input_text.append", "text": text})
await self._client.send_json({"type": "input_text.commit"})
await self.start_tts_usage_metrics(text)
yield None
except Exception as e:
logger.error(f"{self}: TTS error: {e}")