forked from Anonymousdog/displaycameras
/
omxplayer_dbuscontrol
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/
omxplayer_dbuscontrol
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#!/bin/bash
# Based on dbus.sh from the https://github.com/anselanza/omx-layers project
#set -x
# This script is specifically modified to support multiple omxplayer instances
# registered at custom dbus addresses (for use with RPis and Ubiquity camera
# systems. Since these instances run as background processes as root and the
# RPi is presumed to be single use (with no other omxplayer instances running,
# it is protected from being run by regular user.
# If non-root operation is desired, comment out the next four lines.
if [[ $EUID -ne 0 ]]; then
echo "This script must be run as root"
exit 1
fi
OMXPLAYER_DBUS_ADDR="/tmp/omxplayerdbus.${USER:-root}"
OMXPLAYER_DBUS_PID="/tmp/omxplayerdbus.${USER:-root}.pid"
export DBUS_SESSION_BUS_ADDRESS=`cat $OMXPLAYER_DBUS_ADDR`
export DBUS_SESSION_BUS_PID=`cat $OMXPLAYER_DBUS_PID`
[ -z "$DBUS_SESSION_BUS_ADDRESS" ] && { echo "Must have DBUS_SESSION_BUS_ADDRESS" >&2; exit 1; }
case $2 in
getplaystatus)
playstatus=`dbus-send --print-reply=literal --session --reply-timeout=500 --dest=org.mpris.MediaPlayer2.omxplayer.$1 /org/mpris/MediaPlayer2 org.freedesktop.DBus.Properties.PlaybackStatus 2>/dev/null`
[ $? -ne 0 ] && exit 1
playstatus="$(sed 's/^ *//;s/ *$//;' <<< "$playstatus")"
echo $playstatus
;;
status)
playstatus=`dbus-send --print-reply=literal --session --reply-timeout=500 --dest=org.mpris.MediaPlayer2.omxplayer.$1 /org/mpris/MediaPlayer2 org.freedesktop.DBus.Properties.PlaybackStatus 2>/dev/null`
[ $? -ne 0 ] && exit 1
playstatus="$(sed 's/^ *//;s/ *$//;' <<< "$playstatus")"
source=$(dbus-send --print-reply=literal --session --reply-timeout=500 --dest=org.mpris.MediaPlayer2.omxplayer.$1 /org/mpris/MediaPlayer2 org.mpris.MediaPlayer2.Player.GetSource 2>/dev/null)
[ $? -ne 0 ] && exit 1
source="$(sed 's/^ *//;s/ *$//;' <<< "$source")"
position=`dbus-send --print-reply=literal --session --reply-timeout=500 --dest=org.mpris.MediaPlayer2.omxplayer.$1 /org/mpris/MediaPlayer2 org.freedesktop.DBus.Properties.Position 2>/dev/null`
[ $? -ne 0 ] && exit 1
position="$(awk '{print $2}' <<< "$position")"
position="$(($position/1000000))sec"
echo "$playstatus $source"
echo "at $position"
;;
getduration)
duration=`dbus-send --print-reply=literal --session --reply-timeout=500 --dest=org.mpris.MediaPlayer2.omxplayer.$1 /org/mpris/MediaPlayer2 org.freedesktop.DBus.Properties.Duration 2>/dev/null`
[ $? -ne 0 ] && exit 1
duration="$(awk '{print $2}' <<< "$duration")"
duration="$(($duration/1000000)) sec"
echo $duration
;;
getposition)
position=`dbus-send --print-reply=literal --session --reply-timeout=500 --dest=org.mpris.MediaPlayer2.omxplayer.$1 /org/mpris/MediaPlayer2 org.freedesktop.DBus.Properties.Position 2>/dev/null`
[ $? -ne 0 ] && exit 1
position="$(awk '{print $2}' <<< "$position")"
position="$(($position/1000000))s"
echo $position
;;
setvideopos)
dbus-send --print-reply=literal --session --dest=org.mpris.MediaPlayer2.omxplayer.$1 /org/mpris/MediaPlayer2 org.mpris.MediaPlayer2.Player.VideoPos objpath:/not/used string:"$3" >/dev/null
;;
setalpha)
dbus-send --print-reply=literal --session --dest=org.mpris.MediaPlayer2.omxplayer.$1 /org/mpris/MediaPlayer2 org.mpris.MediaPlayer2.Player.SetAlpha objpath:/not/used int64:"$3" >/dev/null
;;
setvideocroppos)
dbus-send --print-reply=literal --session --dest=org.mpris.MediaPlayer2.omxplayer.$1 /org/mpris/MediaPlayer2 org.mpris.MediaPlayer2.Player.SetVideoCropPos objpath:/not/used string:"$3 $4 $5 $6" >/dev/null
;;
getsource)
source=$(dbus-send --print-reply=literal --session --reply-timeout=500 --dest=org.mpris.MediaPlayer2.omxplayer.$1 /org/mpris/MediaPlayer2 org.mpris.MediaPlayer2.Player.GetSource 2>/dev/null)
[ $? -ne 0 ] && exit 1
echo "$source" | sed 's/^ *//'
;;
stop)
dbus-send --print-reply=literal --session --dest=org.mpris.MediaPlayer2.omxplayer.$1 /org/mpris/MediaPlayer2 org.mpris.MediaPlayer2.Player.Stop >/dev/null
;;
pause)
dbus-send --print-reply=literal --session --dest=org.mpris.MediaPlayer2.omxplayer.$1 /org/mpris/MediaPlayer2 org.mpris.MediaPlayer2.Player.Pause >/dev/null
;;
quit)
dbus-send --print-reply=literal --session --dest=org.mpris.MediaPlayer2.omxplayer.$1 /org/mpris/MediaPlayer2 org.mpris.MediaPlayer2.Quit 2>/dev/null
;;
*)
echo "usage: $0 screen_name stop|pause|quit|status|getplaystatus|getsource|getduration|getposition" >&2
exit 1
;;
esac