sway/swaygrab/swaygrab.1.txt

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swaygrab (1)
============
Name
----
swaygrab - Grab image data from the current sway session.
Synopsis
--------
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'swaygrab' [options] [file]
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Grabs pixels from an output and writes them to _file_. The image will be passed to
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ImageMagick convert for processing.
Options
-------
*-h, --help*::
Show help message and quit.
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*-c, \--capture*::
Captures multiple frames as video and passes them into ffmpeg. Continues until
you send SIGTERM (ctrl+c) to swaygrab.
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*-o, \--output* <output>::
Use the specified _output_. If no output is defined the currently focused
output in sway will be used.
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*-v, \--version*::
Print the version (of swaymsg) and quit.
*-s, --socket* <path>::
Use the specified socket path. Otherwise, swaymsg will ask sway where the
socket is (which is the value of $SWAYSOCK, then of $I3SOCK).
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*-R, --rate* <rate>::
Specify a framerate (in frames per second). Used in combination with -c.
Default is 30. Must be an integer.
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*-r, --raw*::
Instead of invoking ImageMagick or ffmpeg, dump raw rgba data to stdout.
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*-f, --focused*::
Capture only the currently focused container.
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Environment Variables
---------------------
swaygrab reads the following environment variables.
*SWAYGRAB_FFMPEG_OPTS*::
Pass additional arguments to FFmpeg when starting a capture.
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Examples
--------
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swaygrab output.png::
Grab the contents of currently focused output and write to output.png.
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swaygrab -c -o HDMI-A-1 output.webm::
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Capture a webm of HDMI-A-1.
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SWAYGRAB_FFMPEG_OPTS="-f alsa -i pulse" swaygrab -c::
Capture the focused output and encode audio from the default recording
device.
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Authors
-------
Maintained by Drew DeVault <sir@cmpwn.com>, who is assisted by other open
source contributors. For more information about sway development, see
<https://github.com/SirCmpwn/sway>.