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| author | Sean Whitton <spwhitton@spwhitton.name> | 2021-10-18 15:43:47 -0700 |
|---|---|---|
| committer | Sean Whitton <spwhitton@spwhitton.name> | 2021-10-18 15:43:47 -0700 |
| commit | 00f9199e7b033450264c78fb9fa1e56928b8f8f8 (patch) | |
| tree | 6a7b2902a9fc26396348d911f499f85e4c196ec2 | |
| parent | 7800b532dc7c4c42b8bc79b481612b6897348b42 (diff) | |
| download | dotfiles-00f9199e7b033450264c78fb9fa1e56928b8f8f8.tar.gz | |
whitenoise script: attempt to detect whether earphones connected
| -rwxr-xr-x | scripts/desktop/whitenoise | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/scripts/desktop/whitenoise b/scripts/desktop/whitenoise index ab86cfde..f8b1c4af 100755 --- a/scripts/desktop/whitenoise +++ b/scripts/desktop/whitenoise @@ -1,8 +1,19 @@ #!/bin/sh -cvlc --quiet --loop ~/annex/media/sounds/R*.ogg & -whitenoise=$! +# values for melete -- possibly if we query pulseaudio/pipewire instead we +# would not need to encode values like these +snd_card_num=0 +node_num=0x21 + +# to save battery power, only output the white noise if earphones connected +if grep -A4 "Node $node_num" "/proc/asound/card${snd_card_num}/codec#0" \ + | grep 'Amp-Out vals: \[0x00 0x00\]' >/dev/null; then + cvlc --quiet --loop ~/annex/media/sounds/R*.ogg & + whitenoise=$! +fi nmcli radio all off zenity --info --title="whitenoise" --text="whitenoise" nmcli radio all on -kill $whitenoise +if [ "x$whitenoise" != "x" ]; then + kill $whitenoise +fi |