mirror of
https://github.com/notwa/rc
synced 2024-05-18 17:53:23 -07:00
76 lines
2.2 KiB
Bash
Executable File
76 lines
2.2 KiB
Bash
Executable File
#!/usr/bin/env zsh
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# YES_ZSH NO_BASH NO_DASH NO_ASH
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rs() { ### @-
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### record screen. does not record audio.
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### currently only works on Windows (gdigrab).
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### i'm sure there's something equivalent for Linux.
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###
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### **TODO:** consider renaming because rs(1) already exists.
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local o_overwrite= o_rate=30 o_duration=0
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local o_x=0 o_y=0 o_w=1920 o_h=1080
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local o_filename="output.mp4"
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local opt=
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while getopts -- 'yr:t:o:s:h' opt; do
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case $opt in
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y) o_overwrite='-y';;
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r) o_rate=$OPTARG;;
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t) o_duration=$OPTARG;;
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o) o_x=${OPTARG%%,*}
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o_y=${${OPTARG#*,}%%,*};;
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s) o_w=${OPTARG%%,*}
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o_h=${${OPTARG#*,}%%,*};;
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?) local fd=0
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[ $opt = h ] && fd=0 || fd=2
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echo -E "usage: $0 [-r framerate] [-t duration] [-o x,y] [-s w,h] [filename]" >&$fd
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[ $opt = h ]
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return
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esac
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done
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shift $((OPTIND-1))
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if [ "$#" -gt 0 ]; then
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o_filename="$1"
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shift
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if [ "$#" -gt 0 ]; then
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echo -E "too many arguments"
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return 1
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fi
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fi
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local extless="${o_filename%.*}"
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local ext="${o_filename##*.}"
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# TODO: handle extensionless case (-f mp4) or something?
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local duration=()
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if [ "$o_duration" -gt 0 ]; then
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duration=(-t $o_duration)
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fi
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# TODO: try -qp 0 with fullscreen (instead of -crf 17)
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ffmpeg -hide_banner -loglevel warning \
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-rtbufsize 100M -f gdigrab \
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-framerate "$o_rate" \
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-offset_x "$o_x" -offset_y "$o_y" \
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-video_size "$o_w"x"$o_h" \
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-draw_mouse 0 -i desktop \
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-c:v libx264 -preset superfast -crf 17 \
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-me_method 1 -partitions i4x4 -x264opts no-cabac \
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-r "$o_rate" ${duration[@]} \
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$o_overwrite "$o_filename" || return
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ffmpeg -hide_banner -loglevel warning \
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-i "$o_filename" \
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-sn -dn -metadata = -map_chapters -1 -movflags +faststart \
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-crf 22 -maxrate 3840k -bufsize 4800k \
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-c:v libx264 -pix_fmt yuv420p -profile:v high -preset slow -threads 0 \
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$o_overwrite "$extless.enc.$ext" || return
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}
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[ -n "${preload+-}" ] || rs "$@"
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