From 1f575867fa279fb0f2947ad5c9a3118062d5e06f Mon Sep 17 00:00:00 2001
From: Vidhu Kant Sharma <vidhukant@protonmail.ch>
Date: Sun, 12 Dec 2021 02:08:59 +0530
Subject: Pushing the script

---
 discord_input.sh | 103 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 103 insertions(+)
 create mode 100755 discord_input.sh

diff --git a/discord_input.sh b/discord_input.sh
new file mode 100755
index 0000000..e895f6b
--- /dev/null
+++ b/discord_input.sh
@@ -0,0 +1,103 @@
+#!/usr/bin/env bash
+
+switch_discord_input=ask # ask|yes|no
+sink_name=merged_streams
+sink_description=""
+
+while getopts 'n:s:N:S' flag; do
+  case "${flag}" in
+    n) no_of_streams="${OPTARG}" ;;
+    s) switch_discord_input="${OPTARG}" ;;
+    N) sink_name="${OPTARG}" ;;
+    D) sink_description="${OPTARG}" ;;
+    *) ;;
+  esac
+done
+
+if [ "$sink_description" == "" ]; then
+  sink_description="$sink_name"
+fi
+
+# get the amount of streams to merge if not specified
+if [ "$no_of_streams" = "" ]; then
+  printf "\033[1;36mEnter number of sinks/sources to merge: \033[0m"
+  read -r no_of_streams
+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 | egrep '(.*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 | egrep '(.*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;31mDiscord 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 ] || [ "$response" == Y ]; then
+          echo did it
+          pacmd move-source-output "$discord_idx" "$sink_name.monitor"
+          break
+        elif [ "$response" == n ] || [ "$response" == N ]; then
+          break
+        else 
+          printf "\033[1;36mPlease enter a valid input (y/n):\033[0m "
+        fi
+      done
+    else
+      echo did it
+      pacmd move-source-output "$discord_idx" "$sink_name.monitor"
+    fi
+  fi
+fi
+
+
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