From 459dc1ae42c505e450a7007560c63ad5497e31d5 Mon Sep 17 00:00:00 2001
From: Jannik Beyerstedt <beyerstedt@consider-it.de>
Date: Mon, 20 Nov 2023 09:33:57 +0100
Subject: [PATCH] zshrc: Add shortcut to compress with ffmpeg

By default, ffmpeg uses crf 23 for h.264 encoding, but for screen
recordings, higher compression is usually fine too.
---
 templates/_zshrc.j2 | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

diff --git a/templates/_zshrc.j2 b/templates/_zshrc.j2
index dcc0925..e866e9c 100644
--- a/templates/_zshrc.j2
+++ b/templates/_zshrc.j2
@@ -109,3 +109,30 @@ alias git-force-push='git push origin $(git rev-parse --abbrev-ref HEAD) --force
 
 # mpv
 alias mpv="mpv --autofit=70%"
+
+# stolen from: https://fem.social/@clerie/110275008064297220
+alias nmap-fast-ping='nmap -n --disable-arp-ping -sn $@'
+
+# ffmpeg shortcuts
+ffmpeg_compress() {
+  if [ -n "$1" ]; then
+    filename=$1:r
+    fileext=$1:e
+    ffmpeg -i $1 -c:v libx264 -preset slow -crf 28 $filename-comp.mp4
+  else
+    echo "ERROR: Please provide a file name"
+  fi
+}
+ffmpeg_reencode() {
+  if [ -n "$1" ]; then
+    filename=$1:r
+    fileext=$1:e
+    if [[ $(uname) == "Darwin" ]]; then
+      ffmpeg -i $1 -c:v h264_videotoolbox -b:v 6000k $filename-reenc.mp4
+    else
+      ffmpeg -i $1 $filename-reenc.mp4
+    fi
+  else
+    echo "ERROR: Please provide a file name"
+  fi
+}