From: Oleg Broytman <phd@phdru.name>
Date: Sun, 7 Jun 2020 00:33:01 +0000 (+0300)
Subject: Feat(PulseAudio): Get/save volume for different ports
X-Git-Url: https://git.phdru.name/?p=audio-cdr-video.git;a=commitdiff_plain;h=b8ad2e7882014370f6c7c06e1de203d03ccf53af

Feat(PulseAudio): Get/save volume for different ports

Separate volumes for speakers and headphones.
---

diff --git a/audio/pa-bt b/audio/pa-bt
index bccd88e..878a5dd 100755
--- a/audio/pa-bt
+++ b/audio/pa-bt
@@ -1,5 +1,8 @@
 #! /bin/sh
 
+active_port=`pactl list sinks | awk '/Active Port:/ {print $3; exit}'`
+VOLUME_FILE=~/.config/pulse/volume-$active_port
+
 "`dirname \"$0\"`"/pa-kill
 sleep 1
 pulseaudio -L "module-bluetooth-device address="$1" sink_name=btheadset profile=a2dp" -D &&
@@ -11,4 +14,4 @@ set-sink-volume btheadset 45858
 " | pacmd &&
 
 echo 0 > "$HOME"/.config/pulse/mute &&
-echo 45858 > "$HOME"/.config/pulse/volume
+echo 45858 > "$HOME"/.config/pulse/$VOLUME_FILE
diff --git a/audio/pa-volume b/audio/pa-volume
index 90c5acf..56da9a2 100755
--- a/audio/pa-volume
+++ b/audio/pa-volume
@@ -1,8 +1,10 @@
 #! /usr/bin/env bash
 # From http://crunchbanglinux.org/forums/topic/11392/pulseaudio-volume-control-with-media-keys/
 
-declare -i CURVOL=`cat ~/.config/pulse/volume` #Reads in the current volume
 default_sink=`pactl list sinks | awk '/Name:/ {print $2; exit}'`
+active_port=`pactl list sinks | awk '/Active Port:/ {print $3; exit}'`
+VOLUME_FILE=~/.config/pulse/volume-$active_port
+CURVOL=`cat $VOLUME_FILE` # Reads in the current volume
 
 if [[ $1 == "increase" ]]
 then
@@ -25,6 +27,6 @@ fi
 if [[ $CURVOL -ge 0 && $CURVOL -le 65540 ]] # Check to see if the volume is a valid number (65540 was needed in this case because of how I rounded the increment)
 then
    pactl set-sink-volume "$default_sink" $CURVOL
-   echo $CURVOL > ~/.config/pulse/volume # Write the new volume to disk to be read the next time the script is run.
+   echo $CURVOL > $VOLUME_FILE # Write the new volume to disk to be read the next time the script is run.
    exit
 fi