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added encoding validation in DeepgramTTSService

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This commit is contained in:
Om Chauhan
2025-12-31 08:33:17 +05:30
parent 2e700c8576
commit 0663bbc2fb
1 changed files with 11 additions and 1 deletions
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12
src/pipecat/services/deepgram/tts.py
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@@ -51,6 +51,8 @@ class DeepgramTTSService(WebsocketTTSService):
message for conversational AI use cases. message for conversational AI use cases.
""" """
SUPPORTED_ENCODINGS = ("linear16", "mulaw", "alaw")
def __init__( def __init__(
self, self,
*, *,
@@ -68,9 +70,17 @@ class DeepgramTTSService(WebsocketTTSService):
voice: Voice model to use for synthesis. Defaults to "aura-2-helena-en". voice: Voice model to use for synthesis. Defaults to "aura-2-helena-en".
base_url: WebSocket base URL for Deepgram API. Defaults to "wss://api.deepgram.com". base_url: WebSocket base URL for Deepgram API. Defaults to "wss://api.deepgram.com".
sample_rate: Audio sample rate in Hz. If None, uses service default. sample_rate: Audio sample rate in Hz. If None, uses service default.
encoding: Audio encoding format. Defaults to "linear16". encoding: Audio encoding format. Defaults to "linear16". Must be one of SUPPORTED_ENCODINGS.
**kwargs: Additional arguments passed to parent InterruptibleTTSService class. **kwargs: Additional arguments passed to parent InterruptibleTTSService class.
Raises:
ValueError: If encoding is not in SUPPORTED_ENCODINGS.
""" """
if encoding.lower() not in self.SUPPORTED_ENCODINGS:
raise ValueError(
f"Unsupported encoding '{encoding}'. Must be one of {', '.join(self.SUPPORTED_ENCODINGS)} for WebSocket TTS."
)
super().__init__( super().__init__(
sample_rate=sample_rate, sample_rate=sample_rate,
pause_frame_processing=True, pause_frame_processing=True,