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@lloesche lloesche/tox265.sh

Created Mar 13, 2016
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What would you like to do?
encode input file to hevc
#!/bin/bash
set -euo pipefail
infile="$1"
preset=veryfast
audiobitrateperchannel=64
ffmpeg_docker='lloesche/nginx-fatpack'
originfile=$infile
[ ! -f "$infile" ] && \
echo "file $infile not found" && \
exit 1
if type ffmpeg > /dev/null 2>&1 && type ffprobe > /dev/null 2>&1
then
ffmpeg=ffmpeg
ffprobe=ffprobe
else
ffmpeg="docker run -it -v /:/host $ffmpeg_docker ffmpeg"
ffprobe="docker run -i -v /:/host $ffmpeg_docker ffprobe"
pwd=$(pwd)
if [ ${infile:0:1} == '/' ]
then
infile="/host${infile}"
else
infile="/host${pwd}/${infile}"
fi
fi
if ! codec=$($ffprobe -i "$infile" -show_streams -select_streams v:0 2> /dev/null | grep codec_name= | cut -d = -f 2)
then
echo "can't determin codec"
exit 1
fi
if [ "$codec" == "hevc" ]
then
echo "$infile is already h.265"
exit 1
fi
outdir="$(dirname "$infile")"
origoutdir="$(dirname "$originfile")"
outfile="$(basename "$infile").x265.mkv"
audiochannels=$($ffprobe -i "$infile" -show_streams -select_streams a:0 2> /dev/null | grep ^channels= | cut -d = -f 2)
audiobitrate=$(($audiochannels*$audiobitrateperchannel))k
$ffmpeg -i "$infile" -c:v libx265 -x265-params crf=23 -preset $preset -c:a libfdk_aac -b:a $audiobitrate "$outdir/.$outfile" && \
mv -f "$origoutdir/.$outfile" "$origoutdir/$outfile"
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