blob: 74fcf1fae05ee440c3250f8f21a636565653a7f2 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
|
#!/bin/sh
set -eu
usage() {
cat <<-'EOF'
Usage:
volume ACTION
volume -h
EOF
}
help() {
cat <<-'EOF'
Options:
-h, --help show this message
ACTION one of:
- up
- down
- toggle
- rotate
Manage the audio output.
Examples:
Increase the volume:
$ volume up
Toggle mute/unmute in the current audio output:
$ volume toggle
Change the audio output:
$ volume rotate
EOF
}
for flag in "$@"; do
case "$flag" in
(--)
break
;;
(--help)
usage
help
exit
;;
(*)
;;
esac
done
while getopts 'h' flag; do
case "$flag" in
(h)
usage
help
exit
;;
(*)
usage >&2
exit 2
;;
esac
done
shift $((OPTIND - 1))
ACTION="${1:-}"
eval "$(assert-arg -- "$ACTION" 'ACTION')"
case "$ACTION" in
up)
pactl set-sink-volume @DEFAULT_SINK@ +10%
;;
down)
pactl set-sink-volume @DEFAULT_SINK@ -10%
;;
toggle)
pactl set-sink-mute @DEFAULT_SINK@ toggle
;;
rotate)
pacmd set-default-sink "$(
pacmd list-sinks |
grep index |
grep -v 'index: 0$' |
awk '
{
n = $(NF)
sinks[i++] = n
last = n
if ($1 == "*") {
curr = n
}
}
END {
print curr == last ? sinks[0] : sinks[i - 1]
}'
)"
;;
*)
printf 'Bad ACTION: %s.\n\n' "$ACTION" >&2
usage >&2
exit 2
;;
esac
|
