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https://github.com/foo-dogsquared/dotfiles.git
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122 lines
3.2 KiB
Bash
122 lines
3.2 KiB
Bash
#!/bin/sh
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# Records a part of the screen.
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# Note this is a toggle command.
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# There could only have one recording instance running at a time.
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# Minimum requirements:
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# awk - GNU Awk v5.0.1
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# date - v8.31 GNU implentation
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# ffmpeg - version n4.2.1; built with GCC; based from the Arch Linux repo
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# slop - v7.4
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# xwininfo - v1.1.5
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# Having used `xwininfo`, it needs to have the legacy graphics stack (X11-based) on Linux
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function error_cleanup() {
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# rm "$pic_filepath"
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echo "$red An error occurred on line $1\n $reset"
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}
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help_section="
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Simply captures a recording with ffmpeg.
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This is more reliable than OBS Studio (since I don't how to fully utilize it yet).
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Usage: $0 [-o/--output <OUTPUT_PATH>]
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Options:
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-h, --help - show the help section
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-o, --output <string> - the path of the output (default: '~/Videos')
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--disable-cursor - disable rendering of the mouse cursor in the recording
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--follow-mouse - enable following of the mouse in the center of the recording
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--enable-notification - disable success notification
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"
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# setting up a exit trap in case of error
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trap 'error_cleanup $LINENO' ERR
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OUTPUT=${VIDEOS:-"$HOME/Videos"}
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MOUSELESS=0
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FOLLOW_MOUSE=0
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ENABLE_NOTIFICATION=0
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while [[ $# -gt 0 ]]
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do
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case $1 in
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-h|--help)
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echo "$help_section"
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exit 0;;
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-o|--output)
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OUTPUT="$2"
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shift
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shift;;
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--disable-cursor)
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MOUSELESS=1
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shift;;
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--follow-mouse)
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FOLLOW_MOUSE=1
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shift;;
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--enable-notification)
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ENABLE_NOTIFICATION=1
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shift;;
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*)
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shift;;
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esac
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done
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# Constants
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RECORDING_FILE="/tmp/fds-ffmpeg-currently-recording";
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if [[ ! -f $RECORDING_FILE ]]; then
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notify-send --expire-time=1500 "Screen capture selection" "Select a region to record.";
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dimensions=$(slop -f "%x %y %w %h %g %i") || {
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notify-send --expire-time=1500 "Screen capture failed" "Selection mode has been exited. Cancelling the recording.";
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exit 1;
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};
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read -r pos_x pos_y width height grid id <<< $dimensions
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date_format=$(date +%F-%H-%M-%S)
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recording_command="ffmpeg -y -f x11grab "
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if [[ $MOUSELESS == 1 ]]; then
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recording_command+="-draw_mouse 0 ";
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fi
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if [[ $FOLLOW_MOUSE == 1 ]]; then
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recording_command+="-follow_mouse centered ";
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fi
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recording_command+="-s ${width}x${height} -i :0.0+${pos_x},$pos_y ${OUTPUT}/$date_format.mkv -nostdin"
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$recording_command &
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PROCESS_ID="$!"
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RETURN_CODE="$?"
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sleep 1;
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if [[ "$RETURN_CODE" != 0 ]]; then
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notify-send "Recording start has failed";
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exit 1;
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fi
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if [[ $ENABLE_NOTIFICATION == 1 ]]; then
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notify-send --expire-time=1000 "Recording started successfully" "Process ID is at "$PROCESS_ID"";
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fi
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touch "$RECORDING_FILE";
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echo "$PROCESS_ID" >> $RECORDING_FILE;
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else
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PROCESS_ID=$(<"$RECORDING_FILE")
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kill $PROCESS_ID
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if [[ $? != 0 ]]; then
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notify-send "Recording stop failed" "There's a problem while trying to kill the process. Process ID is at $WINDOW_ID";
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exit 1;
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fi
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notify-send "Recording stop successful"
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rm "$RECORDING_FILE"
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fi |