1. rtsp rtp rtcp
https://hope-wisdom.blog.csdn.net/article/details/138259027
2.rtsp加速
https://mp.weixin.qq.com/s/0C1b-8pFw0HaE1xpNbrxxw
3. 实现了一部分获取数据
import socket
import base64
import threading
import struct# 定义 RTSP 请求
def send_rtsp_request(rtsp_method, rtsp_url, cseq, auth=None, transport=None):request = f"{rtsp_method} {rtsp_url} RTSP/1.0\r\n"request += f"CSeq: {cseq}\r\n"if transport:request += f"Transport: {transport}\r\n"if auth:request += f"Authorization: Basic {auth}\r\n"request += "User-Agent: Vision MC\r\n"request += "\r\n"return request# 解析 SDP 信息
def parse_sdp(sdp):sdp_lines = sdp.split('\r\n')protocol = Noneport = Nonefor line in sdp_lines:if line.startswith('m=video'):parts = line.split(' ')port = int(parts[1])protocol = parts[2]break # 找到第一个媒体描述后就可以停止了return protocol, port# 接收 RTP 数据
def recv_rtp_data(sock):while True:try:rtp_data, _ = sock.recvfrom(4096)print(rtp_data)# # 解析 RTP 数据包# version = (rtp_data[0] & 0xC0) >> 6# padding = (rtp_data[0] & 0x20) >> 5# extension = (rtp_data[0] & 0x10) >> 4# csrc_count = rtp_data[0] & 0x0F# marker = (rtp_data[1] & 0x80) >> 7# payload_type = rtp_data[1] & 0x7F# sequence_number = struct.unpack('!H', rtp_data[2:4])[0]# timestamp = struct.unpack('!I', rtp_data[4:8])[0]# ssrc = struct.unpack('!I', rtp_data[8:12])[0]# payload = rtp_data[12:]## # 处理 RTP 数据包的有效负载# print(payload)except Exception as e:print(f"Error receiving RTP data: {e}")break# 定义 RTSP 服务器地址和端口
server_address = ('192.168.1.64', 554)# RTSP URL
rtsp_url = "rtsp://192.168.1.64:554/Streaming/Channels/1"
rtsp_url1 = "rtsp://192.168.1.64:554/Streaming/Channels/1/trackID=1"# 用户名和密码
username = "admin"
password = "av3926867"# 将用户名和密码编码为 Base64 字符串
auth_str = base64.b64encode(f"{username}:{password}".encode()).decode()# 创建 TCP 连接
with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as client_socket:client_socket.connect(server_address)# 发送 DESCRIBE 请求rtsp_request = send_rtsp_request("DESCRIBE", rtsp_url, 1, auth_str)client_socket.sendall(rtsp_request.encode())# 接收并打印 RTSP 响应rtsp_response = client_socket.recv(4096).decode()print(rtsp_response)# 解析 SDPprotocol, port = parse_sdp(rtsp_response)# 设置 RTP 数据接收套接字rtp_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)rtp_socket.settimeout(15)rtp_socket.bind(('0.0.0.0', 0)) # 动态分配本地端口local_rtp_port = rtp_socket.getsockname()[1]# 发送 SETUP 请求transport = f"RTP/AVP/TCP;unicast;interleaved=0-1"rtsp_request = send_rtsp_request("SETUP", rtsp_url1, 2, auth_str, transport)client_socket.sendall(rtsp_request.encode())rtsp_response = client_socket.recv(4096).decode()print(rtsp_response)# 启动接收 RTP 数据的线程rtp_thread = threading.Thread(target=recv_rtp_data, args=(rtp_socket,))rtp_thread.start()# 发送 PLAY 请求rtsp_request = send_rtsp_request("PLAY", rtsp_url, 3, auth_str)client_socket.sendall(rtsp_request.encode())# 接收并解析 RTSP 响应rtsp_response = client_socket.recv(4096).decode()print(rtsp_response)# 等待 RTP 数据接收线程结束rtp_thread.join()其中关于rtp的报文解析没有做
