mirror of
https://github.com/notwa/rc
synced 2024-05-18 17:53:23 -07:00
26 lines
1.1 KiB
Bash
26 lines
1.1 KiB
Bash
#!/usr/bin/env zsh
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# YES_ZSH
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cutv() {
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[ $# -le 4 ] || { printf "%s\n" "$0: too many arguments" >&2; return 1; }
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local nel="${1?missing length parameter}"
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local f="${2?missing file parameter}"
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local g="cut."${${f##*/}%.*}".mp4"
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ffmpeg -hide_banner -i "$f" 2>&1 \
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| grep Duration \
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| grep -Eo '[0-9][0-9]:[0-9][0-9]:[0-9][0-9].[0-9][0-9]' | awk -F: '{print (($1*60+$2)*60+$3)+$4/100}' | read len
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[[ "$len" -gt 0 ]] || return 1
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echo "$g"
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ffmpeg \
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-hide_banner -loglevel warning -stats -stats_period 5 \
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-i "$f" -ss "$(((nel<len)*(len-nel)))" \
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-sn -dn -metadata = -map_chapters -1 -movflags +faststart \
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-ar 44100 -acodec libfdk_aac -b:a 256k -cutoff 20000 -af alimiter=level_in=2.5:level_out=0.9 \
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-maxrate 7680k -bufsize 9600k -vcodec libx264 -preset medium -crf 21 -vf scale=1280:720 \
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-threads 2 -y "$g" || return 1
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# -maxrate 7680k -bufsize 9600k -vcodec libx264 -preset medium -crf 21 -vf scale=1280:720
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# -maxrate 9600k -bufsize 12000k -vcodec libx264 -preset medium -crf 22 -vf scale=1280:720
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}
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[ "${SOURCING:-0}" -gt 0 ] || cutv "$@"
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