73 lines
1.9 KiB
Bash
73 lines
1.9 KiB
Bash
#!/bin/bash
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#
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set -e
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# loglevels: quiet, panic, fatal, error, warning, info, verbose, debug
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LOGLEVEL=info
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# set nice level, 20 lowest, -20 highest
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NICE="nice -n 19"
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# on pass or two pass encoding
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PASSES="2"
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###
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###
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###
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if ! [ -f "$1" ]
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then
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echo ""$!" is not a file. Nothing to convert."
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exit
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fi
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trap cleanup EXIT
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cleanup() {
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set +e
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rm -f "${PASSLOGFILE}-0.log" "${PASSLOGFILE}-0.log.mbtree" "${TEMPFILE}"
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}
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# get creation date
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TIMESTAMP=$(stat -l -t "%Y-%m-%d %H:%M:%S" "$1" | awk '{ print $6" "$7 }')
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# get betrate
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BITRATE=$(ffmpeg -i "$1" 2>&1 |grep bitrate | awk '{print $6}')
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# set task priority to low
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NICE="nice -n 19"
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EXT="mp4"
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DIRECTORY=$(dirname "$1")
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FILENAME=$(basename "$1")
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NOW=$(date "+%Y%m%d%-H%M%S")
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TEMPFILE="$DIRECTORY/.${FILENAME%.*}_${NOW}_ffmpeg.${EXT}"
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#METADATA="-metadata creation_time=\"$TIMESTAMP\""
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if [ "$PASSES" == "1" ]
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then
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# 1 pass encoding
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$NICE ffmpeg -i "$1" -threads auto -loglevel "$LOGLEVEL" -vcodec libx264 -b:v "${BITRATE}k" -vf yadif=1 -acodec libfaac -ab 192k -ar 48000 -sn -metadata creation_time="$TIMESTAMP" -f mp4 -y "${TEMPFILE}"
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else
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# 2 pass encoding
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PASSLOGFILE="$DIRECTORY/.${FILENAME%.*}_${NOW}_ffmpeg"
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$NICE ffmpeg -i "$1" -threads auto -loglevel "$LOGLEVEL" -vcodec libx264 -b:v "${BITRATE}k" -vf yadif=1 -pass 1 -passlogfile "$PASSLOGFILE" -an -sn -f rawvideo -y /dev/null
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$NICE ffmpeg -i "$1" -threads auto -loglevel "$LOGLEVEL" -vcodec libx264 -b:v "${BITRATE}k" -vf yadif=1 -pass 2 -passlogfile "$PASSLOGFILE" -acodec libfaac -ab 192k -ar 48000 -sn -metadata creation_time="$TIMESTAMP" -f mp4 -y "${TEMPFILE}"
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rm "${PASSLOGFILE}-0.log"
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rm "${PASSLOGFILE}-0.log.mbtree"
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fi
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touch -r "$1" "${TEMPFILE}"
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if [ -f "${1%.*}.${EXT}" ]
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then
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mv -f "${TEMPFILE}" "${1%.*}_${NOW}.${EXT}"
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echo
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echo "File "${1%.*}.${EXT}" already exist, moved to: "${1%.*}_${NOW}.${EXT}""
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echo
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else
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mv -i "${TEMPFILE}" "${1%.*}.${EXT}"
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fi
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exit
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