简易DLNA投屏

Tonyha7

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import socket from urllib.parse import urlparse import requests from xml.etree import ElementTree as ET   def find_devices():     ssdp_request = (         "M-SEARCH * HTTP/1.1\r\n"         "HOST: 239.255.255.250:1900\r\n"         "MAN: \"ssdp:discover\"\r\n"         "MX: 2\r\n"         "ST: urn:schemas-upnp-org:device:MediaRenderer:1\r\n"         "\r\n"     ).encode()       sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)     sock.setsockopt(socket.IPPROTO_IP, socket.IP_MULTICAST_TTL, 2)     sock.settimeout(3)     sock.sendto(ssdp_request, ("239.255.255.250", 1900))       locations = set()     try:         while True:             data, _ = sock.recvfrom(4096)             response = data.decode('utf-8', errors='ignore')             for line in response.split('\r\n'):                 if line.lower().startswith('location:'):                     location = line.split(':', 1)[1].strip()                     locations.add(location)     except socket.timeout:         pass     finally:         sock.close()     return list(locations)   def play(control_url, video_url):     soap_action = "urn:schemas-upnp-org:service:AVTransport:1#SetAVTransportURI"     headers = {         "Content-Type": 'text/xml; charset="utf-8"',         "SOAPAction": f'"{soap_action}"'     }       soap_body = f"""<?xml version="1.0" encoding="utf-8"?>     <s:Envelope xmlns:s="http://schemas.xmlsoap.org/soap/envelope/"         s:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/">         <s:Body>             <u:SetAVTransportURI xmlns:u="urn:schemas-upnp-org:service:AVTransport:1">                 <InstanceID>0</InstanceID>                 <CurrentURI>{video_url}</CurrentURI>                 <CurrentURIMetaData></CurrentURIMetaData>             </u:SetAVTransportURI>         </s:Body>     </s:Envelope>"""       try:         response = requests.post(control_url, data=soap_body, headers=headers, timeout=5)         response.raise_for_status()         return True     except Exception as e:         print(f"投屏失败: {str(e)}")         return False   def parse_device(location):     try:         response = requests.get(location, timeout=3)         response.raise_for_status()         root = ET.fromstring(response.content)                   device = root.find('.//{urn:schemas-upnp-org:device-1-0}device')         if device is None:             return None                       friendly_name = device.findtext('{urn:schemas-upnp-org:device-1-0}friendlyName', 'Unknown Device')           url_parts = urlparse(location)         base_url = f"{url_parts.scheme}://{url_parts.hostname}"         if url_parts.port:             base_url += f":{url_parts.port}"           service = root.find('.//{urn:schemas-upnp-org:device-1-0}service'                             '[{urn:schemas-upnp-org:device-1-0}serviceType'                             '="urn:schemas-upnp-org:service:AVTransport:1"]')         if service is None:             return None           control_path = service.findtext('{urn:schemas-upnp-org:device-1-0}controlURL')         control_url = f"{base_url}{control_path}" if control_path else None           return {             'name': friendly_name,             'control_url': control_url,             'location': location         }       except Exception as e:         print(f"Error parsing {location}: {str(e)}")         return None   def main():     print("正在扫描局域网中的DLNA设备...")     locations = find_devices()           if not locations:         print("未找到任何DLNA设备")         return       devices = []     for loc in locations:         if dev_info := parse_device(loc):             if not any(d['control_url'] == dev_info['control_url'] for d in devices):                 devices.append(dev_info)       if not devices:         print("未找到有效的投屏设备")         return       print("\n发现以下设备:")     for idx, dev in enumerate(devices):         print(f"[{idx+1}] {dev['name']}")       try:         choice = int(input("\n请输入设备编号: ")) - 1         selected = devices[choice]         print(f"\n已选择设备:{selected['name']}")         print(f"控制地址: {selected['control_url']}")           video_url = input("请输入要投屏的视频URL(支持常见流媒体格式): ").strip()           if play(selected['control_url'], video_url):             print(f"已发送投屏请求到 {selected['name']}")         else:             print("投屏请求失败")       except (ValueError, IndexError):         print("?")   if __name__ == "__main__":     main()

sgcj110

东西挺不错的，好像前两年论坛里也有人分享过这种直接投屏到电视机的单个程序，不过不是很稳定，我后面是用了乐播投屏破解的，个人感觉还是挺不错的，界面相当简洁，投屏也非常的流畅

大白baymax

zpwz 发表于 2025-1-31 21:13
感谢分享，希望放个成品

成品在这里

通过网盘分享的文件：简易DLNA投屏.exe
链接: https://pan.baidu.com/s/1KQweijFA779FBOaGltcp_g?pwd=qunr 提取码: qunr

hanbazhen

～楼主楼主，央视频4K投屏是什么协议？这个投不了

lakal

感谢感谢

zpwz

hanbazhen 发表于 2025-1-31 20:46
～楼主楼主，央视频4K投屏是什么协议？这个投不了

得装央视投屏助手

zpwz

感谢分享，希望放个成品

Arcticlyc

这个不错，刚好学习一下 upnp 协议

hanbazhen

zpwz 发表于 2025-1-31 21:12
得装央视投屏助手

那是什么协议，有谁做了出来

yjlxn

谢谢楼主的无私分享

雨之幽

任意播放？？

crazyxsl

可以的呢