From 9f42237e25f82264371e25a92483ff070fd0bda8 Mon Sep 17 00:00:00 2001
From: Daniel Siepmann <coding@daniel-siepmann.de>
Date: Fri, 1 Apr 2022 09:40:31 +0200
Subject: [PATCH] Add screen recording "setup"

Change i3 config to match current hardware setup.
Add custom dmenu script to start and stop recording.

Move internal dmenu scripts into local variables.
---
 home/files/i3                                 |  2 +-
 overlays/dmenu-custom-scripts/default.nix     | 68 +++++++++++++------
 .../start-videorecording.sh                   | 17 +++++
 3 files changed, 67 insertions(+), 20 deletions(-)
 create mode 100644 overlays/dmenu-custom-scripts/start-videorecording.sh

diff --git a/home/files/i3 b/home/files/i3
index 5345889..099ec52 100644
--- a/home/files/i3
+++ b/home/files/i3
@@ -216,7 +216,7 @@ mode "$mode_setup" {
     bindsym v exec xrandr --auto --output DP2-1 --primary --scale 1x1 --mode 2560x1440 --output eDP1 --mode 1920x1080 --left-of DP2-1 && setxkbmap -option ctrl:nocaps && setxkbmap -option compose:ralt && setxkbmap -option numpad:mac
     # bindsym h exec xrandr --output eDP1 --off --output DP1 --scale 1x1 --mode 2560x1440 && setxkbmap -option ctrl:nocaps && setxkbmap -option compose:ralt && setxkbmap -option numpad:mac
     bindsym i exec xrandr --output DP1 --off --output DP2 --off --output eDP1 --scale 1x1 --mode 1920x1080 && xbacklight -set 10
-    bindsym r exec xrandr --output DP1 --primary --mode 1920x1080 --output eDP1 --mode 1920x1080 --left-of DP1 && xbacklight -set 100;
+    bindsym r exec xrandr --output DP2-1 --primary --mode 1920x1080 --output eDP1 --mode 1920x1080 --left-of DP2-1 && xbacklight -set 100;
 
     # Mirror
     # xrandr --output eDP1 --rate 60 --mode 1920x1080 --fb 1920x1080 --output DP1 --mode 1920x1080 --same-as eDP1
diff --git a/overlays/dmenu-custom-scripts/default.nix b/overlays/dmenu-custom-scripts/default.nix
index 15ef236..58088e2 100644
--- a/overlays/dmenu-custom-scripts/default.nix
+++ b/overlays/dmenu-custom-scripts/default.nix
@@ -1,4 +1,5 @@
-self: super: {
+self: super:
+let
 
   # Still has many references to Ubuntu system tools.
   # Will migrate step by step and update references.
@@ -96,18 +97,41 @@ self: super: {
     text = builtins.readFile ./xdebug.sh;
   };
 
+  dmenu-custom-scripts-start-videorecording = super.pkgs.writeShellApplication {
+    name = "dmenu-custom-scripts-start-videorecording";
+
+    runtimeInputs = [
+      super.pkgs.dmenu
+    ];
+
+    text = builtins.readFile ./start-videorecording.sh;
+  };
+
+  dmenu-custom-scripts-stop-videorecording = super.pkgs.writeShellApplication {
+    name = "dmenu-custom-scripts-stop-videorecording";
+
+    text = ''
+      kill "$(cat /tmp/runningRecording.txt)"
+      rm /tmp/runningRecording.txt
+      notify-send "Stoped recording"
+    '';
+  };
+
+in {
   dmenu-custom-scripts = super.pkgs.writeShellApplication {
     name = "dmenu_selection";
 
     # TODO: Find way to remove the nix prefixes from "files"
     text = ''
       scripts=()
-      scripts+=("${super.pkgs.dmenu-custom-scripts-calc.name}")
-      scripts+=("${super.pkgs.dmenu-custom-scripts-notifications.name}")
-      scripts+=("${super.pkgs.dmenu-custom-scripts-system.name}")
-      scripts+=("${super.pkgs.dmenu-custom-scripts-docs-php.name}")
-      scripts+=("${super.pkgs.dmenu-custom-scripts-php-version.name}")
-      scripts+=("${super.pkgs.dmenu-custom-scripts-xdebug.name}")
+      scripts+=("${dmenu-custom-scripts-calc.name}")
+      scripts+=("${dmenu-custom-scripts-notifications.name}")
+      scripts+=("${dmenu-custom-scripts-system.name}")
+      scripts+=("${dmenu-custom-scripts-php-version.name}")
+      scripts+=("${dmenu-custom-scripts-docs-php.name}")
+      scripts+=("${dmenu-custom-scripts-xdebug.name}")
+      scripts+=("${dmenu-custom-scripts-start-videorecording.name}")
+      scripts+=("${dmenu-custom-scripts-stop-videorecording.name}")
 
       OIFS="$IFS" IFS=$'\n'
       scriptsString="''${scripts[*]}"
@@ -116,23 +140,29 @@ self: super: {
       action=$(echo -e "$scriptsString" | dmenu -i -l 20)
 
       case "$action" in
-      "${super.pkgs.dmenu-custom-scripts-calc.name}")
-        bash "${super.pkgs.dmenu-custom-scripts-calc}/bin/${super.pkgs.dmenu-custom-scripts-calc.name}" || exit 0
+      "${dmenu-custom-scripts-calc.name}")
+        bash "${dmenu-custom-scripts-calc}/bin/${dmenu-custom-scripts-calc.name}" || exit 0
         ;;
-      "${super.pkgs.dmenu-custom-scripts-notifications.name}")
-        bash "${super.pkgs.dmenu-custom-scripts-notifications}/bin/${super.pkgs.dmenu-custom-scripts-notifications.name}" || exit 0
+      "${dmenu-custom-scripts-notifications.name}")
+        bash "${dmenu-custom-scripts-notifications}/bin/${dmenu-custom-scripts-notifications.name}" || exit 0
         ;;
-      "${super.pkgs.dmenu-custom-scripts-system.name}")
-        bash "${super.pkgs.dmenu-custom-scripts-system}/bin/${super.pkgs.dmenu-custom-scripts-system.name}" || exit 0
+      "${dmenu-custom-scripts-system.name}")
+        bash "${dmenu-custom-scripts-system}/bin/${dmenu-custom-scripts-system.name}" || exit 0
         ;;
-      "${super.pkgs.dmenu-custom-scripts-docs-php.name}")
-        bash "${super.pkgs.dmenu-custom-scripts-docs-php}/bin/${super.pkgs.dmenu-custom-scripts-docs-php.name}" || exit 0
+      "${dmenu-custom-scripts-docs-php.name}")
+        bash "${dmenu-custom-scripts-docs-php}/bin/${dmenu-custom-scripts-docs-php.name}" || exit 0
         ;;
-      "${super.pkgs.dmenu-custom-scripts-php-version.name}")
-        bash "${super.pkgs.dmenu-custom-scripts-php-version}/bin/${super.pkgs.dmenu-custom-scripts-php-version.name}" || exit 0
+      "${dmenu-custom-scripts-php-version.name}")
+        bash "${dmenu-custom-scripts-php-version}/bin/${dmenu-custom-scripts-php-version.name}" || exit 0
         ;;
-      "${super.pkgs.dmenu-custom-scripts-xdebug.name}")
-        bash "${super.pkgs.dmenu-custom-scripts-xdebug}/bin/${super.pkgs.dmenu-custom-scripts-xdebug.name}" || exit 0
+      "${dmenu-custom-scripts-xdebug.name}")
+        bash "${dmenu-custom-scripts-xdebug}/bin/${dmenu-custom-scripts-xdebug.name}" || exit 0
+        ;;
+      "${dmenu-custom-scripts-start-videorecording.name}")
+        bash "${dmenu-custom-scripts-start-videorecording}/bin/${dmenu-custom-scripts-start-videorecording.name}" || exit 0
+        ;;
+      "${dmenu-custom-scripts-stop-videorecording.name}")
+        bash "${dmenu-custom-scripts-stop-videorecording}/bin/${dmenu-custom-scripts-stop-videorecording.name}" || exit 0
         ;;
       *)
         exit 0
diff --git a/overlays/dmenu-custom-scripts/start-videorecording.sh b/overlays/dmenu-custom-scripts/start-videorecording.sh
new file mode 100644
index 0000000..4d492fb
--- /dev/null
+++ b/overlays/dmenu-custom-scripts/start-videorecording.sh
@@ -0,0 +1,17 @@
+availableDevices=$(pacmd list-sources | grep 'name:' | grep 'input' | sed 's/^.*name: <//' | sed 's/>$//')
+audioDevice=$(echo -e "$availableDevices" | dmenu -i -l 5 -p "Select Audio Input")
+
+if [ -z "$audioDevice" ]; then
+    exit 1;
+fi
+
+recordingFile="/home/daniels/Videos/Recordings/output-$(date +'%F_%T').mkv" 
+ffmpeg -video_size 1920x1080 -framerate 60 -f x11grab -i :0+1920x1080 -f pulse -i "$audioDevice" "$recordingFile" &
+sleep 1
+if [ -f "$recordingFile" ];
+then
+    recordingPid=$!
+    echo "$recordingPid" > /tmp/runningRecording.txt
+else
+    notify-send -u critical "Could not start recording" "Check screen setup?"
+fi