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arcan(1)			  User manual			      arcan(1)

NAME
       aloadimage - Trivial image viewer for Arcan servers

SYNOPSIS
       aloadimage [global_options] file1 file2 ...

DESCRIPTION
       aloadimage  displays  images over an arcan connection point. Each image
       is parsed in a separate and sandboxed process. If multiple  images  are
       provided, a certain number of items will	be processed in	advance.

OPTIONS
       -a, --aspect
	      image into output	window,	maintain source	image aspect radio and
	      pad with a background color.

       -S, --server-size
	      Scale  source images to fit server- suggested content size. This
	      changes the primary type from MEDIA (server side scaling)	to AP-
	      PLICATION	(client	defined	scaling).

       -l, --loop
	      When the playlist	reaches	the end, it will loop  back  from  the
	      beginning	rather than shutting down.

       -t, --step-time
	      Set  the	playlist  automatic  stepping time (default: 0,	manual
	      control).	The time unit is in ticks on a 25Hz clock.

       -b, --block-input
	      Ignore all keyboard and mouse input.

       -d, --display connpath
	      By default, the ARCAN_CONNPATH environment is used in  order  to
	      find an arcan instance to	connect	to. This argument ignores that
	      in favor for the connpath	argument.

       -p, --padcol ,g,b,a
	      When  running  in	 a  scalemode where source size	!= destination
	      size and output window cannot be resized,	the  default  behavior
	      is to center image and pad the sides. This argument can override
	      the  default  colors with	the restriction	that all four channels
	      should be	provided and only decimal encoding in the range	 0-255
	      is accepted.

       -m, --limit-mem limit(mb)
	      Limit the	maximum	decoded	memory sized allowed for eaching load-
	      ing process.

       -r, --readahead limit(count)
	      Set the readahead	limit for worker processes preloading playlist
	      contents.

       -T, --timeout timeout(seconds)
	      Stop/kill	a worker process if it fails to	decode an image	within
	      a	certain	number of seconds.

       -x, --no-sysflt
	      (build-  option)	aloadimage may be built	with syscall filtering
	      for worker processes. This may break image loading in some envi-
	      ronments/libc implementations and	may therefore need to be  dis-
	      abled.

       -H, --vr
	      attempt  to connect as a VR compatible output, requires that the
	      listening	end accepts  HMD_L/R  primary  and  secondary  segment
	      types. Playlist items should be prefixed with the	intended domi-
	      nant eye,	e.g. l:image_l.jpg r:image_r.jpg.

       -h, --help
	      Show a brief summary of commands and usage.

ENVIRONMENT
       ARCAN_CONNPATH
	      Name of the connection point to use when connecting to arcan.

       ARCAN_CONNKEY
	      Key to use for authenticating againgst the connection path.

COPYRIGHT
       Copyright    2017-2020 Bjorn Stahl. 3-clause BSD	licensed. This is free
       software:  you  are  free   to  change and redistribute it. There is NO
       WARRANTY, to the	extent permitted by law.

AUTHOR
       Bjorn Stahl <contact at arcan-fe	dot com>

aloadimage			  August 2020			      arcan(1)

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