

Why can't it be open with SMPlayer's cli? smplayer -no-config -no-quiet -terminal -no-msg-color -input-ipc-server=/tmp/smplayer-mpv-44c1 -msg-level=ffmpeg/demuxer=error -no-fs -hwdec=no -sub-auto=fuzzy -no-input-default-bindings -input-vo-keyboard=no -no-input-cursor -cursor-autohide=no -no-keepaspect -wid=69206033 -monitorpixelaspect=1 -osd-level=1 -osd-scale=1 -osd-bar-align-y=0.6 -sub-ass -embeddedfonts -sub-ass-line-spacing=0 -sub-scale=1 -sub-font=Arial -sub-color=#ffffffff -sub-shadow-color=#ff000000 -sub-border-color=#ff000000 -sub-border-size=0.75 -sub-shadow-offset=2. NEW VERSION SMPlayer is a free media player for Windows, Linux and MacOS. Option to use the AV1 codec with YouTube videos. Fixes buffering and playback of age-restricted videos. The support for YouTube has been improved by using yt-dlp. Fix: the playlist is shuffled after adding files if the shuffle button is on.

The rtsp url for my home ip camera is such format can open it with SMPlayer's gui window. Through Acestream you can watch content online and get a HD quality viewing. (Mac OS) SMPlayer is now also compatible now with Mac OS 10.14 (Mojave).
