109 lines
3.4 KiB
Python
109 lines
3.4 KiB
Python
import argparse
|
|
import asyncio
|
|
import os
|
|
import sys
|
|
|
|
import aiohttp
|
|
from dotenv import load_dotenv
|
|
from livekit import api # pip install livekit-api
|
|
from loguru import logger
|
|
|
|
from pipecat.frames.frames import TextFrame
|
|
from pipecat.pipeline.pipeline import Pipeline
|
|
from pipecat.pipeline.runner import PipelineRunner
|
|
from pipecat.pipeline.task import PipelineTask
|
|
from pipecat.services.cartesia import CartesiaTTSService
|
|
from pipecat.transports.services.livekit import LiveKitParams, LiveKitTransport
|
|
|
|
load_dotenv(override=True)
|
|
|
|
logger.remove(0)
|
|
logger.add(sys.stderr, level="DEBUG")
|
|
|
|
|
|
def generate_token(room_name: str, participant_name: str, api_key: str, api_secret: str) -> str:
|
|
token = api.AccessToken(api_key, api_secret)
|
|
token.with_identity(participant_name).with_name(participant_name).with_grants(
|
|
api.VideoGrants(
|
|
room_join=True,
|
|
room=room_name,
|
|
)
|
|
)
|
|
|
|
return token.to_jwt()
|
|
|
|
|
|
async def configure_livekit():
|
|
parser = argparse.ArgumentParser(description="LiveKit AI SDK Bot Sample")
|
|
parser.add_argument(
|
|
"-r", "--room", type=str, required=False, help="Name of the LiveKit room to join"
|
|
)
|
|
parser.add_argument("-u", "--url", type=str, required=False, help="URL of the LiveKit server")
|
|
|
|
args, unknown = parser.parse_known_args()
|
|
|
|
room_name = args.room or os.getenv("LIVEKIT_ROOM_NAME")
|
|
url = args.url or os.getenv("LIVEKIT_URL")
|
|
api_key = os.getenv("LIVEKIT_API_KEY")
|
|
api_secret = os.getenv("LIVEKIT_API_SECRET")
|
|
|
|
if not room_name:
|
|
raise Exception(
|
|
"No LiveKit room specified. Use the -r/--room option from the command line, or set LIVEKIT_ROOM_NAME in your environment."
|
|
)
|
|
|
|
if not url:
|
|
raise Exception(
|
|
"No LiveKit server URL specified. Use the -u/--url option from the command line, or set LIVEKIT_URL in your environment."
|
|
)
|
|
|
|
if not api_key or not api_secret:
|
|
raise Exception(
|
|
"LIVEKIT_API_KEY and LIVEKIT_API_SECRET must be set in environment variables."
|
|
)
|
|
|
|
token = generate_token(room_name, "Say One Thing", api_key, api_secret)
|
|
|
|
user_token = generate_token(room_name, "User", api_key, api_secret)
|
|
logger.info(f"User token: {user_token}")
|
|
|
|
return (url, token, room_name)
|
|
|
|
|
|
async def main():
|
|
async with aiohttp.ClientSession() as session:
|
|
(url, token, room_name) = await configure_livekit()
|
|
|
|
transport = LiveKitTransport(
|
|
url=url,
|
|
token=token,
|
|
room_name=room_name,
|
|
params=LiveKitParams(audio_out_enabled=True, audio_out_sample_rate=16000),
|
|
)
|
|
|
|
tts = CartesiaTTSService(
|
|
api_key=os.getenv("CARTESIA_API_KEY"),
|
|
voice_id="79a125e8-cd45-4c13-8a67-188112f4dd22", # British Lady
|
|
)
|
|
|
|
runner = PipelineRunner()
|
|
|
|
task = PipelineTask(Pipeline([tts, transport.output()]))
|
|
|
|
# Register an event handler so we can play the audio when the
|
|
# participant joins.
|
|
@transport.event_handler("on_first_participant_joined")
|
|
async def on_first_participant_joined(transport, participant_id):
|
|
await asyncio.sleep(1)
|
|
await task.queue_frame(
|
|
TextFrame(
|
|
"Hello there! How are you doing today? Would you like to talk about the weather?"
|
|
)
|
|
)
|
|
|
|
await runner.run(task)
|
|
|
|
|
|
if __name__ == "__main__":
|
|
asyncio.run(main())
|