Android screen viewing Python client to "scrcpy"

scrcpy_ffplay.py

''' 
Connect to an existing, ADB forwarded Android "scrcpy" session 
and pipe the video stream into FFPlay

https://github.com/Genymobile/scrcpy/
'''

import socket
import struct
import sys
import subprocess
import io

IP = '127.0.0.1'
PORT = 8080

print("Connecting")
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
sock.connect((IP, PORT))

DUMMYBYTE = sock.recv(1)
if not len(DUMMYBYTE):
    print("Failed to connect!")
    exit()
else:
    print("Connected!")

#Receive device specs
deviceName = sock.recv(64)
print("Device Name:",deviceName.decode("utf-8"))

res = sock.recv(4)
WIDTH, HEIGHT = struct.unpack(">HH", res)
print("WxH:",WIDTH,"x",HEIGHT)

#Start FFPlay in pipe mode
ffplayCmd =['ffplay', '-']
ffp = subprocess.Popen(ffplayCmd, stdin = subprocess.PIPE, stdout = subprocess.PIPE)

while True:
    data = sock.recv(10000)
    ffp.stdin.write(data)

startscrserver.bat

@ECHO OFF
adb push scrcpy-server.jar /data/local/tmp/
start /B adb shell CLASSPATH=/data/local/tmp/scrcpy-server.jar app_process / com.genymobile.scrcpy.Server 800 800000 true
timeout 1
start /B adb forward tcp:8080 localabstract:scrcpy

startscrserver.sh

#!/bin/bash
adb push scrcpy-server.jar /data/local/tmp/
adb shell CLASSPATH=/data/local/tmp/scrcpy-server.jar app_process / com.genymobile.scrcpy.Server 800 800000 true
sleep 1
adb forward tcp:8080 localabstract:scrcpy

what's the version of scrcpy-server.jar
when i run command adb shell CLASSPATH=/data/local/tmp/scrcpy-server.jar app_process / com.genymobile.scrcpy.Server 800 800000 true
error info:

[server] ERROR: Exception on thread Thread[main,5,main]
java.lang.IllegalArgumentException: The server version (1.16) does not match the
 client (800)
        at com.genymobile.scrcpy.Server.createOptions(Server.java:119)
        at com.genymobile.scrcpy.Server.main(Server.java:221)
        at com.android.internal.os.RuntimeInit.nativeFinishInit(Native Method)
        at com.android.internal.os.RuntimeInit.main(RuntimeInit.java:388)

Greetings Allong, where can I find scrcpy-server.jar file?