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authorMichaël Ball <git@michaelball.name>2021-02-21 11:47:16 +0000
committerMichaël Ball <git@michaelball.name>2021-02-21 11:47:16 +0000
commit3de82782746019f605456d57226815eb9aac8369 (patch)
tree33e1c5e5be3b9b40484fcf78ba774e1d6c7a5ee5 /volume-pulseaudio
Initial commit
Diffstat (limited to 'volume-pulseaudio')
-rwxr-xr-xvolume-pulseaudio175
1 files changed, 175 insertions, 0 deletions
diff --git a/volume-pulseaudio b/volume-pulseaudio
new file mode 100755
index 0000000..4bfdba6
--- /dev/null
+++ b/volume-pulseaudio
@@ -0,0 +1,175 @@
+#!/bin/bash
+# Displays the default device, volume, and mute status for i3blocks
+
+set -a
+
+AUDIO_HIGH_SYMBOL=${AUDIO_HIGH_SYMBOL:-' '}
+
+AUDIO_MED_THRESH=${AUDIO_MED_THRESH:-50}
+AUDIO_MED_SYMBOL=${AUDIO_MED_SYMBOL:-' '}
+
+AUDIO_LOW_THRESH=${AUDIO_LOW_THRESH:-0}
+AUDIO_LOW_SYMBOL=${AUDIO_LOW_SYMBOL:-' '}
+
+AUDIO_MUTED_SYMBOL=${AUDIO_MUTED_SYMBOL:-' '}
+
+AUDIO_DELTA=${AUDIO_DELTA:-5}
+
+DEFAULT_COLOR=${DEFAULT_COLOR:-"#ffffff"}
+MUTED_COLOR=${MUTED_COLOR:-"#a0a0a0"}
+
+LONG_FORMAT=${LONG_FORMAT:-'${SYMB} ${VOL}% [${INDEX}:${NAME}]'}
+SHORT_FORMAT=${SHORT_FORMAT:-'${SYMB} ${VOL}% [${INDEX}]'}
+USE_ALSA_NAME=${USE_ALSA_NAME:-0}
+USE_DESCRIPTION=${USE_DESCRIPTION:-0}
+
+SUBSCRIBE=${SUBSCRIBE:-0}
+
+MIXER=${MIXER:-""}
+SCONTROL=${SCONTROL:-""}
+
+while getopts F:Sf:adH:M:L:X:T:t:C:c:i:m:s:h opt; do
+ case "$opt" in
+ S) SUBSCRIBE=1 ;;
+ F) LONG_FORMAT="$OPTARG" ;;
+ f) SHORT_FORMAT="$OPTARG" ;;
+ a) USE_ALSA_NAME=1 ;;
+ d) USE_DESCRIPTION=1 ;;
+ H) AUDIO_HIGH_SYMBOL="$OPTARG" ;;
+ M) AUDIO_MED_SYMBOL="$OPTARG" ;;
+ L) AUDIO_LOW_SYMBOL="$OPTARG" ;;
+ X) AUDIO_MUTED_SYMBOL="$OPTARG" ;;
+ T) AUDIO_MED_THRESH="$OPTARG" ;;
+ t) AUDIO_LOW_THRESH="$OPTARG" ;;
+ C) DEFAULT_COLOR="$OPTARG" ;;
+ c) MUTED_COLOR="$OPTARG" ;;
+ i) AUDIO_INTERVAL="$OPTARG" ;;
+ m) MIXER="$OPTARG" ;;
+ s) SCONTROL="$OPTARG" ;;
+ h) printf \
+"Usage: volume-pulseaudio [-S] [-F format] [-f format] [-p] [-a|-d] [-H symb] [-M symb]
+ [-L symb] [-X symb] [-T thresh] [-t thresh] [-C color] [-c color] [-i inter]
+ [-m mixer] [-s scontrol] [-h]
+Options:
+-F, -f\tOutput format (-F long format, -f short format) to use, with exposed variables:
+\${SYMB}, \${VOL}, \${INDEX}, \${NAME}
+-S\tSubscribe to volume events (requires persistent block, always uses long format)
+-a\tUse ALSA name if possible
+-d\tUse device description instead of name if possible
+-H\tSymbol to use when audio level is high. Default: '$AUDIO_HIGH_SYMBOL'
+-M\tSymbol to use when audio level is medium. Default: '$AUDIO_MED_SYMBOL'
+-L\tSymbol to use when audio level is low. Default: '$AUDIO_LOW_SYMBOL'
+-X\tSymbol to use when audio is muted. Default: '$AUDIO_MUTED_SYMBOL'
+-T\tThreshold for medium audio level. Default: $AUDIO_MED_THRESH
+-t\tThreshold for low audio level. Default: $AUDIO_LOW_THRESH
+-C\tColor for non-muted audio. Default: $DEFAULT_COLOR
+-c\tColor for muted audio. Default: $MUTED_COLOR
+-i\tInterval size of volume increase/decrease. Default: $AUDIO_DELTA
+-m\tUse the given mixer.
+-s\tUse the given scontrol.
+-h\tShow this help text
+" && exit 0;;
+ esac
+done
+
+if [[ -z "$MIXER" ]] ; then
+ MIXER="default"
+ if amixer -D pulse info >/dev/null 2>&1 ; then
+ MIXER="pulse"
+ fi
+fi
+
+if [[ -z "$SCONTROL" ]] ; then
+ SCONTROL=$(amixer -D "$MIXER" scontrols | sed -n "s/Simple mixer control '\([^']*\)',0/\1/p" | head -n1)
+fi
+
+CAPABILITY=$(amixer -D $MIXER get $SCONTROL | sed -n "s/ Capabilities:.*cvolume.*/Capture/p")
+
+
+function move_sinks_to_new_default {
+ DEFAULT_SINK=$1
+ pacmd list-sink-inputs | grep index: | grep -o '[0-9]\+' | while read SINK
+ do
+ pacmd move-sink-input $SINK $DEFAULT_SINK
+ done
+}
+
+function set_default_playback_device_next {
+ inc=${1:-1}
+ num_devices=$(pacmd list-sinks | grep -c index:)
+ sink_arr=($(pacmd list-sinks | grep index: | grep -o '[0-9]\+'))
+ default_sink_index=$(( $(pacmd list-sinks | grep index: | grep -no '*' | grep -o '^[0-9]\+') - 1 ))
+ default_sink_index=$(( ($default_sink_index + $num_devices + $inc) % $num_devices ))
+ default_sink=${sink_arr[$default_sink_index]}
+ pacmd set-default-sink $default_sink
+ move_sinks_to_new_default $default_sink
+}
+
+case "$BLOCK_BUTTON" in
+ 1) set_default_playback_device_next ;;
+ 2) amixer -q -D $MIXER sset $SCONTROL $CAPABILITY toggle ;;
+ 3) set_default_playback_device_next -1 ;;
+ 4) amixer -q -D $MIXER sset $SCONTROL $CAPABILITY $AUDIO_DELTA%+ ;;
+ 5) amixer -q -D $MIXER sset $SCONTROL $CAPABILITY $AUDIO_DELTA%- ;;
+esac
+
+function print_format {
+ echo "$1" | envsubst '${SYMB}${VOL}${INDEX}${NAME}'
+}
+
+function print_block {
+ ACTIVE=$(pacmd list-sinks | grep "state\: RUNNING" -B4 -A7 | grep "index:\|name:\|volume: front\|muted:")
+ [ -z "$ACTIVE" ] && ACTIVE=$(pacmd list-sinks | grep "index:\|name:\|volume: front\|muted:" | grep -A3 '*')
+ for name in INDEX NAME VOL MUTED; do
+ read $name
+ done < <(echo "$ACTIVE")
+ INDEX=$(echo "$INDEX" | grep -o '[0-9]\+')
+ VOL=$(echo "$VOL" | grep -o "[0-9]*%" | head -1 )
+ VOL="${VOL%?}"
+
+ NAME=$(echo "$NAME" | sed \
+'s/.*<.*\.\(.*\)>.*/\1/; t;'\
+'s/.*<\(.*\)>.*/\1/; t;'\
+'s/.*/unknown/')
+
+ if [[ $USE_ALSA_NAME == 1 ]] ; then
+ ALSA_NAME=$(pacmd list-sinks |\
+awk '/^\s*\*/{f=1}/^\s*index:/{f=0}f' |\
+grep "alsa.name\|alsa.mixer_name" |\
+head -n1 |\
+sed 's/.*= "\(.*\)".*/\1/')
+ NAME=${ALSA_NAME:-$NAME}
+ elif [[ $USE_DESCRIPTION == 1 ]] ; then
+ DESCRIPTION=$(pacmd list-sinks |\
+awk '/^\s*\*/{f=1}/^\s*index:/{f=0}f' |\
+grep "device.description" |\
+head -n1 |\
+sed 's/.*= "\(.*\)".*/\1/')
+ NAME=${DESCRIPTION:-$NAME}
+ fi
+
+ if [[ $MUTED =~ "no" ]] ; then
+ SYMB=$AUDIO_HIGH_SYMBOL
+ [[ $VOL -le $AUDIO_MED_THRESH ]] && SYMB=$AUDIO_MED_SYMBOL
+ [[ $VOL -le $AUDIO_LOW_THRESH ]] && SYMB=$AUDIO_LOW_SYMBOL
+ COLOR=$DEFAULT_COLOR
+ else
+ SYMB=$AUDIO_MUTED_SYMBOL
+ COLOR=$MUTED_COLOR
+ fi
+
+ if [[ $SUBSCRIBE == 1 ]] ; then
+ print_format "$LONG_FORMAT"
+ else
+ print_format "$LONG_FORMAT"
+ print_format "$SHORT_FORMAT"
+ echo "$COLOR"
+ fi
+}
+
+print_block
+if [[ $SUBSCRIBE == 1 ]] ; then
+ while read -r EVENT; do
+ print_block
+ done < <(pactl subscribe | stdbuf -oL grep change)
+fi