海康威视摄像头 rtsp 地址格式
单播取流格式rtsp://{username:password}@{ip:port}/Steaming/Channels/{number}
多播取流格式rtsp://{username:password}@{ip:port}/Streaming/Channels/{number}?transportmode=unicast
流格式主要由三部分组成：
用户名和用户密码目标地址和端口号通道号和主次码流
number = 由通道号 + 码流序号 组成ccc+nn。
rtsp://admin:hik12345@10.16.4.25:554/Streaming/Channels/1011通道主码流rtsp://admin:hik12345@10.16.4.25:554/Streaming/Channels/通道主码流rtsp://admin:hik12345@10.16.4.25:554/Streaming/Channels/1001 10通道主码流rtsp://admin:hik12345@10.16.4.25:554/Streaming/Channels/1002 10通道子码流rtsp://admin:hik12345@10.16.4.25:554/Streaming/Channels/1003 10通道第三码流rtsp://admin:hik12345@10.16.4.25:554/Streaming/Channels/101?transportmode=unicast 多播1通道主码流
