rtsp://$(IP):$(PORT)/user=$(USER)&password=$(PWD)&channel=$(Channel)&stream=$(Stream).sdp?real_stream 例子: rtsp://10.6.10.25:554/user=admin&pas♋sword=&channel=1&stream=0.sdp?real_stream channel=短信通道 stream=码流 0𒁃主码 1次码