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