有没有办法通过命令行调整系统音量,以便仍然显示默认音量弹出窗口(在笔记本上按媒体键时弹出的那个)。
我需要这个功能来控制我的遥控器。 它将使用一个lircrc文件和irexec来运行。
我需要这个功能来控制我的遥控器。 它将使用一个lircrc文件和irexec来运行。
DISPLAY=:0
(或者其他值,如果你的显示器不同)以便lirc用户能够将其发送到正确的位置。但也可能不需要。 - Oli--clearmodifiers
参数来使用它。 - Pablo Bianchi--clearmodifiers
,但是对于xbindkeys来说,你绝对需要它。 - wjandrealibnotify-bin
软件包)。#!/bin/sh
usage="usage: $0 -c {up|down|mute} [-i increment] [-m mixer]"
command=
increment=5%
mixer=Master
while getopts i:m:h o
do case "$o" in
i) increment=$OPTARG;;
m) mixer=$OPTARG;;
h) echo "$usage"; exit 0;;
?) echo "$usage"; exit 0;;
esac
done
shift $(($OPTIND - 1))
command=$1
if [ "$command" = "" ]; then
echo "usage: $0 {up|down|mute} [increment]"
exit 0;
fi
display_volume=0
if [ "$command" = "up" ]; then
display_volume=$(amixer set $mixer $increment+ unmute | grep -m 1 "%]" | cut -d "[" -f2|cut -d "%" -f1)
fi
if [ "$command" = "down" ]; then
display_volume=$(amixer set $mixer $increment- unmute | grep -m 1 "%]" | cut -d "[" -f2|cut -d "%" -f1)
fi
icon_name=""
if [ "$command" = "mute" ]; then
if amixer get Master | grep "\[on\]"; then
display_volume=0
icon_name="notification-audio-volume-muted"
amixer set $mixer mute
else
display_volume=$(amixer set $mixer unmute | grep -m 1 "%]" | cut -d "[" -f2|cut -d "%" -f1)
fi
fi
if [ "$icon_name" = "" ]; then
if [ "$display_volume" = "0" ]; then
icon_name="notification-audio-volume-off"
elif [ "$display_volume" -lt "33" ]; then
icon_name="notification-audio-volume-low"
elif [ "$display_volume" -lt "67" ]; then
icon_name="notification-audio-volume-medium"
else
icon_name="notification-audio-volume-high"
fi
fi
notify-send " " -i $icon_name -h int:value:$display_volume -h string:synchronous:volume
您可以使用amixer
来控制音量,例如:
amixer set 'Master' 50%
amixer set 'Master' 10%+
amixer set 'Master' 2dB-
-c 1
来设置声卡,以用于第二个声卡,请参阅man amixer
。
可以使用类似aplay
或paplay
的播放器来播放声音,例如。
paplay /usr/share/sounds/freedesktop/stereo/audio-volume-change.oga
xosd-bin
,命令osd_cat
用于在屏幕上显示文本、状态栏等。osd_cat -b percentage -P 20 -T Status: -f "-adobe-helvetica-bold-*-*--34-*-*-*-*"
man osd_cat
以获取更多信息。libnotify-bin
。#!/bin/sh
# Adjust the volume, play a sound, and show a notification.
#
# Replacement for default Ubuntu volume adjustment behaviour.
#
# Based on https://askubuntu.com/a/12769/301745
command=""
device="pulse"
display_volume=0
icon_name="error"
increment=5
mixer="Master"
usage="usage: $0 [-d device] [-i increment] [-m mixer] (up|down|mute)"
# For compatibility with SSH sessions.
export DISPLAY=:0
_amixer(){
# amixer alias
local set_get="$1"
shift
amixer -D "$device" "$set_get" "$mixer" "$@"
}
_get_display_volume(){
# grep alias
grep -Pom 1 '(?<=\[)[0-9]+(?=%\])'
}
while getopts d:hi:m: opt; do
case "$opt" in
d)
device="$OPTARG"
;;
h)
echo "$usage"
exit 0
;;
i)
increment="$OPTARG"
;;
m)
mixer="$OPTARG"
;;
?)
echo "$usage"
exit 1
;;
esac
done
shift "$(($OPTIND - 1))"
command="$1"
case "$command" in
down)
display_volume="$(
_amixer set "$increment%-" unmute |
_get_display_volume
)"
;;
mute)
if _amixer get | grep -q "\[on\]"; then
display_volume=0
icon_name="notification-audio-volume-muted"
_amixer set mute > /dev/null
else
display_volume="$(
_amixer set unmute |
_get_display_volume
)"
fi
;;
up)
display_volume="$(
_amixer set "$increment%+" unmute |
_get_display_volume
)"
;;
*)
echo "$usage"
exit 1
;;
esac
if [ "$icon_name" = "error" ]; then
if [ "$display_volume" = "0" ]; then
icon_name="notification-audio-volume-off"
elif [ "$display_volume" -lt "33" ]; then
icon_name="notification-audio-volume-low"
elif [ "$display_volume" -lt "67" ]; then
icon_name="notification-audio-volume-medium"
else
icon_name="notification-audio-volume-high"
fi
# In a subshell in the background to minimize latency.
( canberra-gtk-play --id=audio-volume-change & )
fi
notify-send "Volume: $display_volume%" -i "$icon_name" -h "string:synchronous:volume" -h "int:value:$display_volume"
begin
prog = irexec
button = KEY_VOLUMEUP
repeat = 1
delay = 2
config = echo KeyStrPress XF86AudioRaiseVolume KeyStrRelease XF86AudioRaiseVolume | xmacroplay $DISPLAY
end
begin
prog = irexec
button = KEY_VOLUMEDOWN
repeat = 1
delay = 2
config = echo KeyStrPress XF86AudioLowerVolume KeyStrRelease XF86AudioLowerVolume | xmacroplay $DISPLAY
end
begin
prog = irexec
button = KEY_MUTE
config = echo KeyStrPress XF86AudioMute KeyStrRelease XF86AudioMute | xmacroplay $DISPLAY
end