104 lines
2.9 KiB
Python
104 lines
2.9 KiB
Python
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import asyncio
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import json
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import logging
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import os
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from fractions import Fraction
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import aiohttp_cors
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import aiortc.rtcrtpsender
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import zmq
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from aiohttp import web
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from aiortc import MediaStreamTrack, RTCPeerConnection, RTCSessionDescription, RTCConfiguration, RTCRtpCodecCapability
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from av import VideoFrame
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import H264NV
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ROOT = os.path.dirname(__file__)
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class PlayerStreamTrackx(MediaStreamTrack):
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def __init__(self):
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super().__init__()
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context = zmq.Context()
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self.socket = context.socket(zmq.PULL)
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self.socket.bind("tcp://*:5555")
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self.kind = 'video'
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self.pts = 0
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async def recv(self):
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frame = VideoFrame.from_bytes(self.socket.recv(), 1920, 1080)
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frame.time_base = Fraction(1, 120)
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frame.pts = self.pts
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self.pts += 1
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return frame
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pcs = set()
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px = PlayerStreamTrackx()
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async def offer(request):
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params = await request.json()
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offer = RTCSessionDescription(sdp=params["sdp"], type=params["type"])
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pc = RTCPeerConnection(RTCConfiguration([]))
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# print(request.remote)
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pcs.add(pc)
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rc = pc.addTransceiver(px, 'sendonly')
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rc.setCodecPreferences([RTCRtpCodecCapability(mimeType='video/H264',
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clockRate=90000,
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channels=None,
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parameters={
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'level-asymmetry-allowed': '1',
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'packetization-mode': '1',
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'profile-level-id': '42e01f'
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})])
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await pc.setRemoteDescription(offer)
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answer = await pc.createAnswer()
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await pc.setLocalDescription(answer)
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return web.Response(
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content_type="application/json",
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text=json.dumps(
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{"sdp": pc.localDescription.sdp, "type": pc.localDescription.type}
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),
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)
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async def on_shutdown(app):
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# close peer connections
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coros = [pc.close() for pc in pcs]
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await asyncio.gather(*coros)
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pcs.clear()
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if __name__ == "__main__":
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f0 = aiortc.RTCRtpSender.__init__
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def f1(*args, **kwargs):
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f0(*args, **kwargs)
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if not args[1] == 'audio':
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args[0]._RTCRtpSender__encoder = H264NV.H264NVENCEncoder()
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aiortc.RTCRtpSender.__init__ = f1
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logging.basicConfig(level=logging.INFO)
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app = web.Application()
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app.on_shutdown.append(on_shutdown)
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app.router.add_post("/offer", offer)
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cors = aiohttp_cors.setup(app, defaults={
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"*": aiohttp_cors.ResourceOptions(
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allow_credentials=True,
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expose_headers="*",
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allow_headers="*"
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)
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})
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for route in list(app.router.routes()):
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cors.add(route)
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web.run_app(
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app, access_log=None, host='0.0.0.0', port=8081
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)
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