mirror of
https://github.com/notwa/rc
synced 2024-11-05 06:39:02 -08:00
28 lines
1.2 KiB
Bash
Executable file
28 lines
1.2 KiB
Bash
Executable file
#!/usr/bin/env zsh
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# YES_ZSH NO_BASH NO_DASH NO_ASH
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cutv() {
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argc $# -ge 2 "$0" || return
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argc $# -le 4 "$0" || return
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local nel="${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>0))" -eq 1 ] || 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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[ -n "${preload+-}" ] || . ~/sh/preload || exit 2
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eval ${preload:-preload} argc
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[ -n "${preload+-}" ] || cutv "$@"
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