blob: 37930c51ae3eb968c4853727f1bbfd2b1716c77c (
plain)
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
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
|
#!/usr/bin/env bash
# discord_input.sh: easily merge multiple audio streams together for discord, etc
# Copyright (C) 2021 Vidhu Kant Sharma (vidhukant@protonmail.ch)
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
switch_discord_input=ask
sink_name=merged_streams
sink_description=""
while getopts 'n:s:N:D' flag; do
case "${flag}" in
n) no_of_streams="${OPTARG}" ;;
s) switch_discord_input="${OPTARG}" ;;
N) sink_name="${OPTARG}" ;;
D) sink_description="${OPTARG}" ;;
*) ;;
esac
done
# handle invalid input for -s
if [ "$switch_discord_input" != yes ] && \
[ "$switch_discord_input" != no ] && \
[ "$switch_discord_input" != ask ]
then
echo "ERROR: Please enter a valid input for -s (yes/no/ask)" >&2;exit 1
exit 1
fi
# get the amount of streams to merge if not specified
if [ "$no_of_streams" = "" ]; then
printf "\033[1;36mEnter number of sinks/sources to merge: \033[0m"
read -r no_of_streams
else
# handle invalid input for -n
re='^[0-9]+$'
if ! [[ "$no_of_streams" =~ $re ]] ; then
echo "ERROR: -n is not specified a number!" >&2; exit 1
fi
fi
if [ "$sink_description" == "" ]; then
sink_description="$sink_name"
fi
# create NULL sink to merge all the audio streams
pacmd load-module module-null-sink sink_name="$sink_name"
# change desc of NULL sink and it's monitor for visual purpose
pacmd update-sink-proplist "$sink_name" device.description="$sink_description"
pacmd update-source-proplist "$sink_name.monitor" device.description="\"Monitor of $sink_name\""
i=0; while [ $i -lt "$no_of_streams" ]; do
# get sources and split
SAVEIFS=$IFS
IFS=$'\n'
# somebody help
sources=($(pacmd list-sources | awk '/name:/ {print $2}; /device.description/ {$1=$2=""; print $0}' | sed 's/^[ \t\"]*//; s/[ \t\"]$//' | awk 'NR%2==0 {printf "\033[34m"$0"\t \033[0;32m"f"\033[0m\n"} {f=$0}'))
IFS=$SAVEIFS
# print all the sources with their indices
for (( j=0; j<${#sources[@]}; j++ )); do
unformatted_sink_name="$(echo "${sources[j]}" | sed 's/\x1B\[[0-9;]\{1,\}[A-Za-z]//g')"
new_sink_name="Monitor of $sink_name <$sink_name.monitor>"
# do not print the newly created NULL output's monitor
if [ "$unformatted_sink_name" != "$new_sink_name" ]; then
printf "\033[1;33m%s: %s\n" "$j" "${sources[$j]}"
fi
done
# ask to enter source number
printf "\033[1;36mEnter a value: \033[0m"
read -r source_idx
# extract source name and save it
source_sel=$(echo "${sources[source_idx]}" | sed 's/\x1B\[[0-9;]\{1,\}[A-Za-z]//g' | awk -F "\t" '{print $2}' | sed 's/^[ <]*//; s/>$//')
# finally create loopback
pacmd load-module module-loopback sink="$sink_name" source="$source_sel"
# get new loopback's index and rename loopback
loopback_idx=$(pacmd list-source-outputs | grep -E '(.*index: .*)|(^\s+media.name = .*)' | awk "/Loopback to $sink_name/ {printf f} {f=\$2}")
pacmd update-source-output-proplist "$loopback_idx" media.name="\"Merged stream #$((i+1))\""
i=$((i + 1))
done
# check if switching disabled through flags
if [ "$switch_discord_input" != no ]; then
# get index of discord's source output
discord_idx="$(pacmd list-source-outputs | grep -E '(.*index: .*)|(^\s+application.process.binary = .*)' | awk '/Discord/ {printf f} {f=$2}')"
# ask the user and change discord's input to new input
if [ "$discord_idx" == "" ]; then
printf "\033[1;34mDiscord instance not found/recording. If it is running, please use Discord settings or pavucontrol to manually change its input.\033[0m\n"
else
if [ "$switch_discord_input" == ask ]; then
printf "\033[1;36mDiscord is running, switch discord's input to new merged input?(y/n)\033[0m "
# get response
while :; do
read -r response
if [ "$response" == y ] || [ "$response" == Y ]; then
pacmd move-source-output "$discord_idx" "$sink_name.monitor"
break
elif [ "$response" == n ] || [ "$response" == N ]; then
break
else
printf "\033[1;36mPlease enter a valid input (y/n):\033[0m "
fi
done
else
pacmd move-source-output "$discord_idx" "$sink_name.monitor"
fi
fi
fi
|