ffmpeg \
	-thread_queue_size 512 \
	-i http://admin:wazz@192.168.2.81/video.cgi \
	-i http://192.168.2.16/webcam/?action=stream \
	-i http://192.168.2.83:8080/?action=stream \
	-filter_complex "nullsrc=size=1020x720 [base]; \
	[0:v] setpts=5*PTS-STARTPTS, scale=720x540, transpose=1 [upperleft]; \
	[1:v] setpts=5*PTS-STARTPTS, scale=480x360 [upperright]; \
	[2:v] setpts=5*PTS-STARTPTS, scale=479x359 [upperright]; \
	[base][upperleft] overlay=shortest=1 [tmp1]; \
	[tmp1][upperright] overlay=shortest=1:x=541 [tmp2]; \
	[tmp2][upperright] overlay=shortest=1:x=541:y=361[output]" \
	-map "[output]" -an -flags +global_header -pix_fmt yuv420p -codec:v libx264 -minrate 200K -maxrate 800K -bufsize 320k -r 15 -f ssegment -segment_time 900 -segment_wrap 720 -reset_timestamps 1 -segment_list_flags +live /store/cam%05d.ts http://localhost:8090/feed1.ffm