Initial commit

fedi-compress.sh

@@ -0,0 +1,32 @@
+#! /usr/bin/env bash
+if [[ $# -ne 5 ]]; then
+  echo "It's script.sh [input] [output] [start] [length] [bitrate] you idiot"
+  echo "Converts weebshit to small files for the fediverse with burned-in subs. Audio is always 96k opus"
+  echo "e.g 'script.sh input.mkv output.webm 13:20 50 500k'"
+  exit 1
+fi
+
+unset COLUMNS
+
+COL="\e[32m" # Green
+RESET="\e[0m" # Remove formatting
+
+INPUTFILE=$1
+OUTPUTFILE=$2
+START=$3
+END=$4
+BITRATE=$5
+HEIGHT="360"
+ADDITIONAL="-loglevel error -hide_banner -stats"
+
+THREADS=$(expr $(cat /proc/cpuinfo | grep "model name" | wc -l) - 1)
+
+echo -e "${COL}Using $THREADS threads${RESET}\n"
+
+echo -e "${COL}Extracting subs${RESET}"
+ffmpeg -i "$INPUTFILE" $ADDITIONAL -y /tmp/subs.ass
+echo -e "${COL}Performing first pass${RESET}"
+ffmpeg -i "$INPUTFILE" -ss $START -vf scale=-1:${HEIGHT},ass=/tmp/subs.ass -c:v libvpx-vp9 -b:v $BITRATE -t $END -threads $THREADS $ADDITIONAL -pass 1 -an -sn -f webm -y /dev/null
+echo -e "${COL}Encoding actual video${RESET}"
+ffmpeg -i "$INPUTFILE" -ss $START -vf scale=-1:${HEIGHT},ass=/tmp/subs.ass -c:v libvpx-vp9 -b:v $BITRATE -c:a libopus -b:a 96k -t $END -threads $THREADS $ADDITIONAL -pass 2 -sn -f webm -y $OUTPUTFILE
+rm -rf /tmp/subs.ass