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|
#!/usr/bin/env zsh
#
# Copyright (C) 2024-2026 Maria Lisina
# SPDX-License-Identifier: Apache-2.0
#
# Telegram Media Re-encoder
if (( __env != 1 ))
then
exec /usr/bin/env -i PATH="${PATH}" __env=1 "${0}" ${@} 2> /dev/null
fi
set -e
version="3.3"
if [[ -n "${1}" ]]
then
while getopts hl:r:f:ap:c:d opts
do
case "${opts}" in
(h)
help=1
;;
(l)
loglevel=${OPTARG}
;;
(r)
fps=${OPTARG}
;;
(f)
filters="${OPTARG}"
;;
(a)
noaudio=1
;;
(p)
preset=${OPTARG}
;;
(c)
crf=${OPTARG}
;;
(d)
delete=1
;;
(*)
echo "Unrecognized options" \
"\nSee '${0} -h'"
exit 1
;;
esac
done
shift $((OPTIND - 1))
else
help=1
fi
if (( help == 1 ))
then
echo "Telegram Media Re-encoder v${version}" \
"\n\nUsage: ${0} [options] [file]" \
"\n\nOptions:" \
"\n -h\t\tShow help information" \
"\n -l <lvl>\tLog level, default: info" \
"\n -r <num>\tSet custom frame rate" \
"\n -f <str>\tSet custom filters" \
"\n -a\t\tRemove audio stream" \
"\n -p <pst>\tPreset, default: medium" \
"\n -c <num>\tConstant Rate Factor, default: 23" \
"\n -d\t\tDelete original file"
exit 0
fi
for zmod in zsh/files
do
if ! zmodload ${zmod}
then
failed+=(${zmod})
fi
done
if [[ -n "${failed}" ]]
then
echo "Failed to load Z Shell modules: ${failed}" \
"\nUpdate your Z Shell or get a version with all required modules"
exit 1
fi
for req in ffmpeg
do
if ! command -v ${req} > /dev/null
then
missing+=(${req})
fi
done
if [[ -n "${missing}" ]]
then
echo "Missing dependencies: ${missing}" \
"\nFor more information follow: https://command-not-found.com/"
exit 1
fi
if [[ -z "${loglevel}" ]]
then
loglevel=info
fi
if [[ -z "${fps}" ]]
then
fps=source_fps
fi
if [[ -z "${filters}" ]]
then
filters="pad=ceil(iw/2)*2:ceil(ih/2)*2"
fi
if (( noaudio == 1 ))
then
acodec=(an)
else
acodec=(acodec aac)
fi
if [[ -z "${preset}" ]]
then
preset=medium
fi
if [[ -z "${crf}" ]]
then
crf=23
fi
if [[ -z "${1}" ]]
then
echo "No input file specified. See '${0} -h'"
exit 1
fi
exit=0
input=(${@})
for file in ${input}
do
if ! [[ -f "${file}" ]]
then
exit=1
echo "No file found: ${file}"
continue
fi
output="${file%.*}_t.mp4"
echo "Re-encoding: ${file}"
if ffmpeg -i "${file}" \
-loglevel ${loglevel} \
-map_metadata -1 \
-profile:v high \
-vcodec libx264 \
-vf "fps=${fps},${filters}" \
-pix_fmt yuv420p \
-${acodec[@]} \
-preset ${preset} \
-level 4.0 \
-crf ${crf} \
-movflags +faststart \
"${output}" -y 2>&1
then
if (( delete == 1 ))
then
rm -f "${file}"
mv "${output}" "${file%.*}.mp4"
echo "Succesfully re-encoded: ${file%.*}.mp4"
else
echo "Succesfully re-encoded: ${output}"
fi
else
exit=1
echo "Failed to re-encode: ${file}"
fi
done
exit ${exit}
|
