144 lines
4.9 KiB
Python
144 lines
4.9 KiB
Python
#
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# Copyright (c) 2024–2025, Daily
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#
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# SPDX-License-Identifier: BSD 2-Clause License
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#
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import argparse
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import asyncio
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import os
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from dotenv import load_dotenv
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from loguru import logger
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from pipecat.audio.mixers.soundfile_mixer import SoundfileMixer
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from pipecat.audio.vad.silero import SileroVADAnalyzer
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from pipecat.frames.frames import MixerEnableFrame, MixerUpdateSettingsFrame
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from pipecat.pipeline.pipeline import Pipeline
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from pipecat.pipeline.runner import PipelineRunner
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from pipecat.pipeline.task import PipelineParams, PipelineTask
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from pipecat.processors.aggregators.openai_llm_context import OpenAILLMContext
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from pipecat.services.cartesia.tts import CartesiaTTSService
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from pipecat.services.deepgram.stt import DeepgramSTTService
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from pipecat.services.openai.llm import OpenAILLMService
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from pipecat.transports.base_transport import BaseTransport, TransportParams
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from pipecat.transports.network.fastapi_websocket import FastAPIWebsocketParams
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from pipecat.transports.services.daily import DailyParams
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load_dotenv(override=True)
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OFFICE_SOUND_FILE = os.path.join(
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os.path.dirname(__file__), "assets", "office-ambience-24000-mono.mp3"
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)
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# We store functions so objects (e.g. SileroVADAnalyzer) don't get
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# instantiated. The function will be called when the desired transport gets
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# selected.
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transport_params = {
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"daily": lambda: DailyParams(
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audio_in_enabled=True,
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audio_out_enabled=True,
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audio_out_mixer=SoundfileMixer(
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sound_files={"office": OFFICE_SOUND_FILE},
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default_sound="office",
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volume=2.0,
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),
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vad_analyzer=SileroVADAnalyzer(),
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),
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"twilio": lambda: FastAPIWebsocketParams(
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audio_in_enabled=True,
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audio_out_enabled=True,
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audio_out_mixer=SoundfileMixer(
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sound_files={"office": OFFICE_SOUND_FILE},
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default_sound="office",
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volume=2.0,
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),
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vad_analyzer=SileroVADAnalyzer(),
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),
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"webrtc": lambda: TransportParams(
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audio_in_enabled=True,
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audio_out_enabled=True,
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audio_out_mixer=SoundfileMixer(
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sound_files={"office": OFFICE_SOUND_FILE},
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default_sound="office",
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volume=2.0,
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),
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vad_analyzer=SileroVADAnalyzer(),
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),
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}
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async def run_example(transport: BaseTransport, _: argparse.Namespace, handle_sigint: bool):
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stt = DeepgramSTTService(api_key=os.getenv("DEEPGRAM_API_KEY"))
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tts = CartesiaTTSService(
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api_key=os.getenv("CARTESIA_API_KEY"),
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voice_id="71a7ad14-091c-4e8e-a314-022ece01c121", # British Reading Lady
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)
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llm = OpenAILLMService(api_key=os.getenv("OPENAI_API_KEY"))
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messages = [
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{
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"role": "system",
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"content": "You are a helpful LLM in a WebRTC call. Your goal is to demonstrate your capabilities in a succinct way. Your output will be converted to audio so don't include special characters in your answers. Respond to what the user said in a creative and helpful way.",
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},
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]
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context = OpenAILLMContext(messages)
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context_aggregator = llm.create_context_aggregator(context)
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pipeline = Pipeline(
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[
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transport.input(), # Transport user input
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stt, # STT
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context_aggregator.user(), # User responses
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llm, # LLM
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tts, # TTS
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transport.output(), # Transport bot output
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context_aggregator.assistant(), # Assistant spoken responses
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]
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)
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task = PipelineTask(
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pipeline,
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params=PipelineParams(
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allow_interruptions=True,
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enable_metrics=True,
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enable_usage_metrics=True,
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report_only_initial_ttfb=True,
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),
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)
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@transport.event_handler("on_client_connected")
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async def on_client_connected(transport, participant):
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# Show how to use mixer control frames.
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logger.info(f"Listening for background sound for a bit...")
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await asyncio.sleep(5.0)
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logger.info(f"Reducing volume...")
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await task.queue_frame(MixerUpdateSettingsFrame({"volume": 0.5}))
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await asyncio.sleep(5.0)
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logger.info(f"Disabling background sound for a bit...")
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await task.queue_frame(MixerEnableFrame(False))
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await asyncio.sleep(5.0)
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logger.info(f"Re-enabling background sound and starting bot...")
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await task.queue_frame(MixerEnableFrame(True))
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# Kick off the conversation.
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messages.append({"role": "system", "content": "Please introduce yourself to the user."})
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await task.queue_frames([context_aggregator.user().get_context_frame()])
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@transport.event_handler("on_client_disconnected")
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async def on_client_disconnected(transport, client):
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logger.info(f"Client disconnected")
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await task.cancel()
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runner = PipelineRunner(handle_sigint=handle_sigint)
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await runner.run(task)
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if __name__ == "__main__":
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from pipecat.examples.run import main
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main(run_example, transport_params=transport_params)
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