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|
#!/usr/bin/env zsh
#
# Copyright (C) 2024-2026 Maria Lisina
# SPDX-License-Identifier: Apache-2.0
#
# Telegram Media Re-encoder
set -e
tgencode_version="3.2"
if [[ -n "${1}" ]]
then
while getopts hl:r:f:ap:c:d tgencode_options
do
case "${tgencode_options}" in
(h)
tgencode_help=0
;;
(l)
tgencode_loglevel=${OPTARG}
;;
(r)
tgencode_fps=${OPTARG}
;;
(f)
tgencode_filters="${OPTARG}"
;;
(a)
tgencode_noaudio=0
;;
(p)
tgencode_preset=${OPTARG}
;;
(c)
tgencode_crf=${OPTARG}
;;
(d)
tgencode_delete=0
;;
(*)
echo "Unrecognized options" \
"\nSee '${0} -h'"
exit 1
;;
esac
done
shift $((OPTIND - 1))
else
tgencode_help=0
fi
if [[ -n "${tgencode_help}" ]]
then
echo "Telegram Media Re-encoder v${tgencode_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 tgencode_zmod in zsh/files
do
if ! zmodload ${tgencode_zmod}
then
tgencode_failed="${tgencode_failed} ${tgencode_zmod}"
fi
done
if [[ -n "${tgencode_failed}" ]]
then
echo "Failed to load Z Shell modules:${tgencode_failed}" \
"\nUpdate your Z Shell or get a version with all required modules"
exit 1
fi
for tgencode_req in ffmpeg
do
if ! command -v ${tgencode_req} > /dev/null
then
tgencode_missing="${tgencode_missing} ${tgencode_req}"
fi
done
if [[ -n "${tgencode_missing}" ]]
then
echo "Missing dependencies:${tgencode_missing}" \
"\nFor more information follow: https://command-not-found.com/"
exit 1
fi
if [[ -z "${tgencode_loglevel}" ]]
then
tgencode_loglevel=info
fi
if [[ -z "${tgencode_fps}" ]]
then
tgencode_fps=source_fps
fi
if [[ -z "${tgencode_filters}" ]]
then
tgencode_filters="pad=ceil(iw/2)*2:ceil(ih/2)*2"
fi
if [[ -n "${tgencode_noaudio}" ]]
then
tgencode_acodec=(an)
else
tgencode_acodec=(acodec aac)
fi
if [[ -z "${tgencode_preset}" ]]
then
tgencode_preset=medium
fi
if [[ -z "${tgencode_crf}" ]]
then
tgencode_crf=23
fi
if [[ -z "${1}" ]]
then
echo "No input file specified. See '${0} -h'"
exit 1
fi
tgencode_exit=0
tgencode_input=(${@})
for tgencode_file in ${tgencode_input}
do
if ! [[ -f "${tgencode_file}" ]]
then
tgencode_exit=1
echo "No file found: ${tgencode_file}"
continue
fi
tgencode_output="${tgencode_file%.*}_t.mp4"
echo "Re-encoding: ${tgencode_file}"
if ffmpeg -i "${tgencode_file}" \
-loglevel ${tgencode_loglevel} \
-map_metadata -1 \
-profile:v high \
-vcodec libx264 \
-vf "fps=${tgencode_fps},${tgencode_filters}" \
-pix_fmt yuv420p \
-${tgencode_acodec[@]} \
-preset ${tgencode_preset} \
-level 4.0 \
-crf ${tgencode_crf} \
-movflags +faststart \
"${tgencode_output}" -y
then
if [[ -n "${tgencode_delete}" ]]
then
rm -f "${tgencode_file}"
mv "${tgencode_output}" "${tgencode_file%.*}.mp4"
echo "Succesfully re-encoded: ${tgencode_file%.*}.mp4"
else
echo "Succesfully re-encoded: ${tgencode_output}"
fi
else
tgencode_exit=1
echo "Failed to re-encode: ${tgencode_file}"
fi
done
exit ${tgencode_exit}
|
