From ec550c42b0fd96d375c6036a18e16821ba11e2eb Mon Sep 17 00:00:00 2001
From: Marty Sluijtman <marty.wanderer@disroot.org>
Date: Sat, 30 Nov 2024 23:23:50 +0100
Subject: [PATCH] Butcher script

---
 src/bin/butcher | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)
 create mode 100755 src/bin/butcher

diff --git a/src/bin/butcher b/src/bin/butcher
new file mode 100755
index 0000000..3db56cf
--- /dev/null
+++ b/src/bin/butcher
@@ -0,0 +1,31 @@
+#!/usr/bin/env nu
+
+def main [input: string, --resize(-r): string, --length(-l): string = "00:00:05"] {
+    let resize = if ($resize | is-empty ) { "" } else { $resize }
+    destroy (glitch $input $resize $length)
+}
+
+def glitch [input: string, resize: string, length: string] {
+    let output = [ ($input | path parse | get stem ) "_glitch.mkv" ] | str join
+    let filter = if ($resize | is-not-empty) {
+        $"\'scale=($resize):-2,fps=60,frei0r=filter_name=glitch0r:filter_params=0.2|0.8|.04|1,rgbashift=rh=4:bh=-2,interlace=lowpass=complex\'"
+    } else {
+        "\'fps=60,frei0r=filter_name=glitch0r:filter_params=0.2|0.8|.04|1,rgbashift=rh=4:bh=-2,interlace=lowpass=complex\'"
+    }
+    #echo $"ffmpeg -loop 1 -i ($input) -filter_complex ($filter) -to ($length) ($output) -y"
+    ffmpeg -loop 1 -i $input -filter_complex $filter -to $length $output -y
+    echo $output
+}
+
+def destroy [input: string] {
+    let output = ($input | path parse | get stem )
+    let pngOutput = [ $output "_animated.png" ] | str join
+    let mp4Output = [ ($input | path parse | get stem ) "_animated.mp4" ] | str join
+    let mp4OutputFixed = [ ($mp4Output | path parse | get stem ) "_fixed.mp4" ] | str join
+    echo $"Creating destroyed png image at: ($pngOutput)"
+    magick -monitor $input $"APNG:($pngOutput)"
+    echo $"Creating video at: ($mp4Output)"
+    ffmpeg -i $pngOutput -vcodec libx265 -pix_fmt yuva420p $mp4Output -y
+    echo $"Fixing video at: ($mp4OutputFixed)"
+    ffmpeg -i $mp4Output $mp4OutputFixed -y
+}