One solution is to disable OSD (--no-osd or other way)
(i searched through vlc source but cant find any specific preference for disabling only "screenshot taken" message)
Subj. Can vlc imem input understand several (e.x. two) frames? If i pass buffer twice bigger than one-frame buffer, can imem understand that it contains two frames, than play or stream that frames using specified fps, and thus calling next GET callback two times later? Or GET callback must return ex...