rtcllm/rtcllm/rtc.py
2024-09-09 17:48:32 +08:00

230 lines
6.3 KiB
Python

import asyncio
import random
import json
from functools import partial
from appPublic.dictObject import DictObject
from appPublic.hf import hf_socks5proxy
from aiortc import MediaStreamTrack, RTCPeerConnection, RTCSessionDescription, RTCIceCandidate
from aiortc.sdp import candidate_from_sdp, candidate_to_sdp
from aiortc.contrib.media import MediaBlackhole, MediaPlayer, MediaRecorder, MediaRelay
# from websockets.asyncio.client import connect
# from websockets.asyncio.client import connect
from websockets.client import connect
import websockets
from stt import asr
from vad import AudioTrackVad
from a2a import LLMAudioStreamTrack
videos = ['./1.mp4', './2.mp4']
async def pc_get_local_candidates(pc, peer):
its = pc.__dict__.get('_RTCPeerConnection__iceTransports')
coros = map(lambda t: t.iceGatherer.gather(), its )
await asyncio.gather(*coros)
ss = pc.__dict__.get('_RTCPeerConnection__iceTransport')
if not peer.l_candidates:
peer.l_candidates = []
peer.sdp_id = 0
for t in its:
for c in t._connection.local_candidates:
if c not in peer.l_candidates:
print(f'{c=}, {dir(c)}')
c.sdpMid = str(peer.sdp_id)
peer.sdp_id += 1
peer.l_candidates.append(c)
pc.emit('icecandidate', c)
RTCPeerConnection.get_local_candidates = pc_get_local_candidates
class RTCLLM:
def __init__(self, ws_url, iceServers):
# self.stt_model = WhisperModel('large-v3', device="cuda", compute_type="float16")
self.ws_url = ws_url
self.llmtrack = LLMAudioStreamTrack('/d/models/mini-omni')
self.feed = awaitify(self.llmtrack._feed)
self.iceServers = iceServers
self.peers = DictObject()
self.vid = 0
self.info = {
'id':'rtcllm_agent',
'name':'rtcllm_agent'
}
self.dc = None
self.loop = asyncio.get_event_loop()
async def ws_send(self, s):
await self.ws.send(s)
def get_pc(self, data):
return self.peers[data['from'].id].pc
async def run(self):
async with connect(self.ws_url) as self.ws:
await self.login()
while True:
msg = await self.ws.recv()
data = DictObject(**json.loads(msg))
d = data.data
print(f'ws recv(): {d.type=}')
func = self.handlers.get(d.type)
if func:
f = partial(func, self)
await f(d)
self.ws.close()
async def login(self):
await self.ws_send(json.dumps({
'type':'login',
'info':self.info
}))
async def on_icecandidate(self, pc, to, candidate):
if candidate:
candi = {
'candidate':'candidate:' + candidate.to_sdp(),
'sdpMid':candidate.sdpMid,
'type': candidate.type
}
print('***********on_icecandidate()', candi)
await self.ws_send(json.dumps({
"type":"iceCandidate",
"to":to,
"candidate":candi
}))
async def save_onlineList(self, data):
print(f'{self}, {type(self)}')
self.onlineList = data.onlineList
async def vad_voiceend(self, peer, audio):
ret = await self.feed(audio)
print(f'self.feed("{audio}") return {ret}')
os.remove(audio)
async def auto_accept_call(self, data):
opts = DictObject(iceServers=self.iceServers)
pc = RTCPeerConnection(opts)
self.peers[data['from'].id] = DictObject(**{
'info':data['from'],
'pc':pc
})
pc.addTrack(self.llmtrack)
await self.ws_send(json.dumps({'type':'callAccepted', 'to':data['from']}))
async def pc_track(self, peerid, track):
peer = self.peers[peerid]
pc = peer.pc
if track.kind == 'audio':
f = partial(self.vad_voiceend, peer)
vadtrack = AudioTrackVad(track, stage=2, onvoiceend=f)
peer.vadtrack = vadtrack
vadtrack.start_vad()
async def pc_connectionState_changed(self, peerid):
peer = self.peers[peerid]
pc = peer.pc
print(f'conn_state={pc.connectionState} ...........')
if pc.connectionState == 'connected':
peer.dc = pc.createDataChannel(peer.info.name)
return
if pc.connectionState == 'closed':
await pc.close()
if peer.dc:
await peer.dc.close()
await self.ws_send(json.dumps({
'type':'disconnect',
'to': peer.info
}))
peers = {
k:v for k,v in self.peers.items() if k != peerid
}
self.peers = peers
async def response_offer(self, data):
pc = self.get_pc(data)
peer = self.peers[data['from'].id]
if pc is None:
print(f'{self.peers=}, {data=}')
return
pc.on("connectionstatechange", partial(self.pc_connectionState_changed, data['from'].id))
pc.on('track', partial(self.pc_track, data['from'].id))
pc.on('icecandidate', partial(self.on_icecandidate, pc, data['from']))
offer = RTCSessionDescription(** data.offer)
await pc.setRemoteDescription(offer)
answer = await pc.createAnswer()
await pc.setLocalDescription(answer)
await self.ws_send(json.dumps({
'type':'answer',
'answer':{'type':pc.localDescription.type, 'sdp':pc.localDescription.sdp},
'to':data['from']
}))
cands = await pc.get_local_candidates(peer)
"""
offer = await pc.createOffer()
await pc.setLocalDescription(offer)
await self.ws_send(json.dumps({
'type':'offer',
'offer': {'type':pc.localDescription.type, 'sdp':pc.localDescription.sdp},
'to':data['from']
}))
"""
async def accept_answer(self, data):
pc = self.get_pc(data)
answer = RTCSessionDescription(data.answer);
pc.setRemoteDescription(answer)
async def accept_iceCandidate(self, data):
pc = self.get_pc(data)
candidate = data.candidate
print('accepted candidate=', candidate)
"""
rtc_candidate = RTCIceCandidate(
ip=ip,
port=port,
protocol=protocol,
priority=priority,
foundation=foundation,
component=component,
type=type,
sdpMid=candidate['sdpMid'],
sdpMLineIndex=candidate['sdpMLineIndex']
)
"""
rtc_candidate = candidate_from_sdp(candidate['candidate'].split(":", 1)[1])
rtc_candidate.sdpMid = candidate['sdpMid']
rtc_candidate.sdpMLineIndex = candidate['sdpMLineIndex']
await pc.addIceCandidate(rtc_candidate)
print('addIceCandidate ok')
handlers = {
'onlineList':save_onlineList,
'callRequest':auto_accept_call,
'offer':response_offer,
'answer':accept_answer,
'iceCandidate':accept_iceCandidate,
}
async def main():
hf_socks5proxy()
agent = RTCLLM(ws_url='wss://sage.open-computing.cn/wss/ws/rtc_signaling.ws',
iceServers=[{
'urls':'stun:stun.open-computing.cn:13478'},{
'urls':'turn:stun.open-computing.cn:13479',
'username':'turn',
'credential':'server'
}])
print('running ...')
await agent.run()
if __name__ == '__main__':
asyncio.run(main())