Files
webrtc/desktop_stream_track.py
2023-01-24 23:25:39 -08:00

95 lines
3.1 KiB
Python
Executable File

#!/usr/bin/env python3
import av
import asyncio
from aiortc import VideoStreamTrack
import Xlib
import Xlib.display
import os
import pyautogui
import numpy
import evdev
import keymap
pyautogui.FAILSAFE = False
# https://ffmpeg.org/ffmpeg-devices.html#x11grab
class DesktopStreamTrack(VideoStreamTrack):
def __init__(self):
super().__init__()
self.resolution = Xlib.display.Display(os.environ["DISPLAY"]).screen().root.get_geometry()
options = {
'draw_mouse': '1',
'i':':0.0+0,0',
'framerate':'20',
'video_size': str(self.resolution.width) + "x" + str(self.resolution.height)
}
self.container = av.open(':0', format='x11grab', options=options)
self.ui = evdev.UInput()
self.valid_actions = ["keyboard", "click", "rightclick", "mousemove", "joystick", "paste"]
async def recv(self):
pts, time_base = await self.next_timestamp()
frame = None
while frame is None:
frame = next(self.container.decode(video=0))
frame.pts = pts
frame.time_base = time_base
return frame
def handle_action(self, action, data):
if action == "mousemove":
x = numpy.interp(data["cursorPositionX"], (0, data["displayWidth"]), (0, self.resolution.width))
y = numpy.interp(data["cursorPositionY"], (0, data["displayHeight"]), (0, self.resolution.height))
pyautogui.moveTo(x, y, _pause=False)
# elif action == "joystick":
# x = numpy.interp(data["x"], (-38, 38), (0, self.resolution.width))
# y = numpy.interp(data["y"], (-38, 38), (self.resolution.height, 0))
# print(f'{data["y"]} {self.resolution.height} {y}')
# pyautogui.moveTo(x, y, _pause=False)
elif action == "click":
pyautogui.click()
elif action == "rightclick":
pyautogui.rightClick()
elif action == "keyboard":
try:
# keymap.reload()
osKey = keymap.iOStoLinux[data["key"]]
self.ui.write(evdev.ecodes.EV_KEY, osKey, data["direction"])
self.ui.syn()
except KeyError:
print(f"Unknown key: {data['key']}")
elif action == "paste":
# might as well support the secureput protocol completely
pyautogui.write(data["payload"]["string"])
def stop(self) -> None:
super().stop()
self.ui.close()
if __name__ == "__main__":
from time import time_ns
import sys
async def test():
frame_count=0
start_time=time_ns()
track = DesktopStreamTrack()
while True:
await track.recv()
now = time_ns()
playtime = now - start_time
playtime_sec = playtime * 0.000000001
if playtime_sec >= 1:
print(f'fps: {frame_count}')
frame_count = 0
start_time = time_ns()
else:
frame_count+=1
# Run event loop
loop = asyncio.new_event_loop()
try:
loop.run_until_complete(test())
except KeyboardInterrupt:
sys.exit(0)