iankelling.org Git - distro-setup/blob - stream-interlude

   1 #!/bin/bash
   2 # I, Ian Kelling, follow the GNU license recommendations at
   3 # https://www.gnu.org/licenses/license-recommendations.en.html. They
   4 # recommend that small programs, < 300 lines, be licensed under the
   5 # Apache License 2.0. This file contains or is part of one or more small
   6 # programs. If a small program grows beyond 300 lines, I plan to switch
   7 # its license to GPL.
   8
   9 # Copyright 2024 Ian Kelling
  10
  11 # Licensed under the Apache License, Version 2.0 (the "License");
  12 # you may not use this file except in compliance with the License.
  13 # You may obtain a copy of the License at
  14
  15 #     http://www.apache.org/licenses/LICENSE-2.0
  16
  17 # Unless required by applicable law or agreed to in writing, software
  18 # distributed under the License is distributed on an "AS IS" BASIS,
  19 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  20 # See the License for the specific language governing permissions and
  21 # limitations under the License.
  22
  23 set -e; . /usr/local/lib/bash-bear; set +e
  24
  25 obs-interlude() {
  26   p=$(cat /p/obs-ws-pass)
  27   if [[ -e /tmp/no-obs-auto-scene-switch ]]; then
  28     rm -f /tmp/no-obs-auto-scene-switch
  29     if [[ -s /tmp/last-obs-i3-mark ]]; then
  30       mark=$(cat /tmp/last-obs-i3-mark)
  31       obs-cmd -w obsws://localhost:4455/$p scene switch $mark
  32     fi
  33   else
  34     touch /tmp/no-obs-auto-scene-switch
  35     obs-cmd -w obsws://localhost:4455/$p scene switch interlude
  36   fi
  37
  38 }
  39
  40 ffmpeg-interlude() {
  41   f=/tmp/iank-ffmpeg-interlude-toggle
  42
  43   # interlude off
  44   if [[ -e $f ]]; then
  45
  46     rm -f $f
  47     # note: get _6 from looking for "parsed" ffmpeg debug output.
  48     zsend -b tcp://127.0.0.1:5557 Parsed_drawbox_6 t 0
  49     zsend -b tcp://127.0.0.1:5557 Parsed_drawtext_7 reinit "text=''"
  50
  51   else
  52
  53     # I started an attempt to track if I was muted before an interlude,
  54     # but decided against it. Seems easier to handle unmuting with
  55     # whatever normal process I have for it.
  56     #
  57     # muted=$(pactl get-source-mute @DEFAULT_SOURCE@ | awk '{print $2}')
  58
  59     zsend Parsed_volume_1 volume 0
  60     zsend -b tcp://127.0.0.1:5557 Parsed_drawbox_6 t fill
  61     zsend -b tcp://127.0.0.1:5557 Parsed_drawtext_7 reinit "text='$(date "+%H\:%M %Z") - Be right back'"
  62     touch $f
  63   fi
  64 }
  65
  66 zsend() {
  67   local out
  68   if [[ $1 == -b ]]; then
  69     zmq_args=("$1" "$2")
  70     shift 2
  71   fi
  72   out=$(printf "%s\n" "$*" | zmqsend ${zmq_args[@]} ||:)
  73   if [[ $out != "0 Success" ]]; then
  74     i3-nagbar -m "FAILED zmqsend: $*" -t error -f "pango:monospace 30"
  75   fi
  76 }
  77
  78
  79 if pgrep '^obs$' &>/dev/null; then
  80   obs-interlude
  81 else
  82   ffmpeg-interlude
  83 fi