From 3e8ccc39e2dbe3234f1bfdf1176686eca3013e79 Mon Sep 17 00:00:00 2001
From: Henrik Lissner <henrik@lissner.net>
Date: Sat, 25 Aug 2018 20:23:51 +0200
Subject: [PATCH] Rewrite rec script

+ Auto-optimizing gifs
+ Add -s option so screencasts can be toggled via keybind
+ Add keybind to sxhkd
---
 base/arch-desktop/bin/rec              | 43 +++++++++++++++++++++++---
 base/arch-desktop/config/sxhkd/sxhkdrc |  2 +-
 2 files changed, 39 insertions(+), 6 deletions(-)

diff --git a/base/arch-desktop/bin/rec b/base/arch-desktop/bin/rec
index 10d6ddb7..99e32814 100755
--- a/base/arch-desktop/bin/rec
+++ b/base/arch-desktop/bin/rec
@@ -1,14 +1,47 @@
 #!/usr/bin/env bash
 
 # Select a region and record it.
+#
+# If given a gif, it will record an mp4 and convert it afterwards using the
+# mov2gif script included in this repo (which is powered by gifsicle and
+# ffmpeg).
+#
+# Usage: rec somefile.mp4
+#        rec another.gif
 
-read -r X Y W H G ID < <(slop -f "%x %y %w %h %g %i")
-dest=${1:-$(mktemp -t recXXX.webm)}
+if [[ $1 == -s ]]; then
+  is_script=1
+  shift
+fi
 
-ffmpeg -f x11grab -s "$W"x"$H" -i :0.0+$X,$Y "$dest"
+if [[ -f /tmp/_stop ]]; then
+  echo q > /tmp/_stop
+  if [[ $is_script ]]; then
+    ding error &
+  else
+    echo "Stopped previous recording"
+  fi
+  exit 0
+fi
 
-if [[ -f $dest ]]; then
-  mv $dest .
+read -r X Y W H < <(slop -f "%x %y %w %h")
+dest=${1:-./rec.mp4}
+if [[ $dest == *.gif ]]; then
+  echo "Detected gif"
+  mp4dest="${dest%.*}.mp4"
+fi
+
+if [[ $is_script ]]; then
+  ding &
+  touch /tmp/_stop
+  ffmpeg -y -f x11grab -s "$W"x"$H" -i :0.0+$X,$Y -framerate 30 "${mp4dest:-$dest}" </tmp/_stop
+  rm -f /tmp/_stop
+else
+  ffmpeg -y -f x11grab -s "$W"x"$H" -i :0.0+$X,$Y -framerate 30 "${mp4dest:-$dest}"
+fi
+
+if [[ -f $mp4dest ]]; then
+  mov2gif "$mp4dest" "$dest" && rm -fv "$mp4dest"
 fi
 
 # vim:set ft=sh shiftwidth=2:
diff --git a/base/arch-desktop/config/sxhkd/sxhkdrc b/base/arch-desktop/config/sxhkd/sxhkdrc
index 17694851..a6c55d4a 100644
--- a/base/arch-desktop/config/sxhkd/sxhkdrc
+++ b/base/arch-desktop/config/sxhkd/sxhkdrc
@@ -31,7 +31,7 @@ Print
 mod4 + Print
     maim ~/screenshots/$(date +%F-%T).png && notify-send "Fullscreen screenshot saved"
 mod4 + shift + Print
-    maim -d 3 ~/screenshots/$(date +%F-%T).png && notify-send "Screenshot saved"
+    rec -s ~/screenshots/$(date +%F-%T).mp4
 
 Pause
     mpc -q toggle   # play/pause music