Hi. On Thu, Jan 03, 2019 at 08:08:13AM +0000, Long Wind wrote: > ffplay -f video4linux2 -framerate 30 -video_size hd720 /dev/video0 > > sample script above doesn't work: "Segmentation fault"
Kind of works for me: $ ffplay -f video4linux2 -framerate 15 -video_size 640x480 /dev/video0 [video4linux2,v4l2 @ 0xe8a004a0] The driver changed the time per frame from 1/15 to 1/30 Input #0, video4linux2,v4l2, from '/dev/video0':B sq= 0B f=0/0 Duration: N/A, start: 15807.597194, bitrate: 147456 kb/s Stream #0:0: Video: rawvideo (YUY2 / 0x32595559), yuyv422, 640x480, 147456 kb/s, 30 fps, 30 tbr, 1000k tbn, 1000k tbc I prefer mpv for this, but ffplay works too. Since you're getting a SIGSEGV, you may have to follow the usual routine: get a coredump, extract a backtrace with gdb, fill a bugreport. Reco