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63 lines
2 KiB
Python
63 lines
2 KiB
Python
"""Vonage transport factory."""
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from api.services.pipecat.audio_config import AudioConfig
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from api.services.pipecat.audio_mixer import build_audio_out_mixer
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from api.services.telephony.factory import load_credentials_for_transport
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from pipecat.transports.websocket.fastapi import (
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FastAPIWebsocketParams,
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FastAPIWebsocketTransport,
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)
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from .serializers import VonageFrameSerializer
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async def create_transport(
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websocket,
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workflow_run_id: int,
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audio_config: AudioConfig,
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organization_id: int,
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*,
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vad_config: dict | None = None,
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ambient_noise_config: dict | None = None,
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telephony_configuration_id: int | None = None,
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call_uuid: str,
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):
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"""Create a transport for Vonage connections."""
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config = await load_credentials_for_transport(
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organization_id, telephony_configuration_id, expected_provider="vonage"
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)
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application_id = config.get("application_id")
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private_key = config.get("private_key")
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if not application_id or not private_key:
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raise ValueError(
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f"Incomplete Vonage configuration for organization {organization_id}"
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)
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serializer = VonageFrameSerializer(
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call_uuid=call_uuid,
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application_id=application_id,
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private_key=private_key,
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params=VonageFrameSerializer.InputParams(
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vonage_sample_rate=audio_config.transport_in_sample_rate,
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sample_rate=audio_config.pipeline_sample_rate,
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),
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)
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mixer = await build_audio_out_mixer(
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audio_config.transport_out_sample_rate, ambient_noise_config
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)
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# Vonage uses binary WebSocket mode, not text
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return FastAPIWebsocketTransport(
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websocket=websocket,
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params=FastAPIWebsocketParams(
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audio_in_enabled=True,
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audio_out_enabled=True,
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audio_in_sample_rate=audio_config.transport_in_sample_rate,
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audio_out_sample_rate=audio_config.transport_out_sample_rate,
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audio_out_mixer=mixer,
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serializer=serializer,
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),
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)
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