[DOW-101] LiveKit integration

apps/livekit/README.md

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+```
+poetry run python app.py dev
+```

apps/livekit/app.py

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+import asyncio
+import os
+
+from livekit.agents import JobContext, JobRequest, WorkerOptions, cli
+from loguru import logger
+from pydantic_settings import BaseSettings, SettingsConfigDict
+
+from vocode.logging import configure_pretty_logging
+from vocode.streaming.action.end_conversation import EndConversationVocodeActionConfig
+from vocode.streaming.agent.chat_gpt_agent import ChatGPTAgent
+from vocode.streaming.livekit.livekit_conversation import LiveKitConversation
+from vocode.streaming.models.actions import (
+    PhraseBasedActionTrigger,
+    PhraseBasedActionTriggerConfig,
+    PhraseTrigger,
+)
+from vocode.streaming.models.agent import ChatGPTAgentConfig
+from vocode.streaming.models.message import BaseMessage
+from vocode.streaming.models.synthesizer import AzureSynthesizerConfig
+from vocode.streaming.models.transcriber import (
+    DeepgramTranscriberConfig,
+    PunctuationEndpointingConfig,
+)
+from vocode.streaming.output_device.livekit_output_device import LiveKitOutputDevice
+from vocode.streaming.synthesizer.azure_synthesizer import AzureSynthesizer
+from vocode.streaming.transcriber.deepgram_transcriber import DeepgramTranscriber
+
+
+class Settings(BaseSettings):
+
+    livekit_api_key: str = "ENTER_YOUR_LIVE_KIT_API_KEY"
+    livekit_api_secret: str = "ENTER_YOUR_LIVE_KIT_API_SECRET"
+    livekit_ws_url: str = "ENTER_YOUR_LIVE_KIT_WS_URL"
+
+    # This means a .env file can be used to overload these settings
+    # ex: "OPENAI_API_KEY=my_key" will set openai_api_key over the default above
+    model_config = SettingsConfigDict(
+        env_file=".env",
+        env_file_encoding="utf-8",
+        extra="ignore",
+    )
+
+
+async def wait_for_termination(conversation: LiveKitConversation, ctx: JobContext):
+    await conversation.wait_for_termination()
+    await conversation.terminate()
+    await ctx.room.disconnect()
+
+
+async def entrypoint(ctx: JobContext):
+    configure_pretty_logging()
+    output_device = LiveKitOutputDevice()
+    conversation = LiveKitConversation(
+        output_device=output_device,
+        transcriber=DeepgramTranscriber(
+            DeepgramTranscriberConfig.from_livekit_input_device(
+                endpointing_config=PunctuationEndpointingConfig(),
+                api_key=os.getenv("DEEPGRAM_API_KEY"),
+            ),
+        ),
+        agent=ChatGPTAgent(
+            ChatGPTAgentConfig(
+                openai_api_key=os.getenv("OPENAI_API_KEY"),
+                initial_message=BaseMessage(text="What up"),
+                prompt_preamble="""The AI is having a pleasant conversation about life""",
+                actions=[
+                    EndConversationVocodeActionConfig(
+                        action_trigger=PhraseBasedActionTrigger(
+                            config=PhraseBasedActionTriggerConfig(
+                                phrase_triggers=[
+                                    PhraseTrigger(
+                                        phrase="goodbye",
+                                        conditions=["phrase_condition_type_contains"],
+                                    )
+                                ]
+                            )
+                        )
+                    )
+                ],
+            )
+        ),
+        synthesizer=AzureSynthesizer(
+            synthesizer_config=AzureSynthesizerConfig.from_output_device(
+                output_device=output_device,
+                voice_name="en-US-AriaNeural",
+            )
+        ),
+    )
+    await conversation.start_room(ctx.room)
+    asyncio.create_task(wait_for_termination(conversation, ctx))
+
+
+async def request_fnc(req: JobRequest) -> None:
+    logger.info("received request %s", req)
+    await req.accept(entrypoint)
+
+
+if __name__ == "__main__":
+    settings = Settings()
+    cli.run_app(
+        WorkerOptions(
+            request_fnc,
+            api_key=settings.livekit_api_key,
+            api_secret=settings.livekit_api_secret,
+            ws_url=settings.livekit_ws_url,
+        )
+    )

apps/livekit/pyproject.toml

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+[tool.poetry]
+name = "livekit_app"
+version = "0.1.0"
+description = ""
+authors = ["Your Name <[email protected]>"]
+readme = "README.md"
+package-mode = false
+
+[tool.poetry.dependencies]
+python = "^3.11"
+livekit = "^0.11.1"
+livekit-api = "^0.5.0"
+vocode = { path = "../..", develop = true }
+livekit-agents = "^0.7.2"
+
+
+[build-system]
+requires = ["poetry-core"]
+build-backend = "poetry.core.masonry.api"