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Replace screen recording implementation mainly with ffmpeg
Finally figured out how to record with ffmpeg without lag or maybe that could've been a case of bad luck because of my hardware. In any case, I also learned about the and the here-string. Worth it for me.
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foo-dogsquared
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@ -1,16 +1,17 @@
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#!/bin/sh
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# Records the screen with OBS Studio.
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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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# This script depends on the following
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# programs along with the indicated version:
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# OBS Studio - 23.2.1-2
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# xdotool - version 3.20160805.1
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# echo (part of coreutils 8.31)
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# notify-send - 0.7.8
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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 a notify-send means you also need to
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# have a notification server (such as dunst) to be up at the time.
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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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@ -18,86 +19,72 @@ function error_cleanup() {
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}
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help_section="
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Simply captures a recording with OBS Studio.
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Simply captures a recording with ffmpeg.
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Note it requires you to set a hotkey for recording in
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OBS Studio in order to run this script properly.
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The default hotkey set in this script is 'Shift+R'.
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If your hotkey is any different,
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change the OBS_RECORDING_HOTKEY variable
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in this script accordingly.
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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>] [-s/--select]
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[-d/--delay <SECONDS>] [--help]
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Usage: $0 [-o/--output <OUTPUT_PATH>] [-s/--selection]
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Options:
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-h, --help - show the help section
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-p, --profile <string> - indicate the profile (default: 'Untitled')
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-s, --scene <string> - the scene to be used (default: 'Untitled')
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-o, --output <string> - the path of the output (default: '~/Videos')
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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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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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-p|--profile)
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PROFILE="$2"
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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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-s|--scene)
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SCENE="$2"
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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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RECORDING_FILE="/tmp/currently-recording"
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OBS_RECORDING_HOTKEY="shift+r"
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# Constants
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RECORDING_FILE="/tmp/fds-ffmpeg-currently-recording";
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# The program simply checks for the
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if [[ ! -f $RECORDING_FILE ]]; then
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obs_command="obs --startrecording --minimize-to-tray "
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dimensions=$(slop -f "%x %y %w %h %g %i") || exit 1;
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read -r pos_x pos_y width height grid id <<< $dimensions
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if [[ -n "$PROFILE" ]]; then
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obs_command+="--profile $PROFILE "
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fi
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date_format=$(date +%F-%H-%M-%S)
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if [[ -n "$SCENE" ]]; then
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obs_command+="--scene $SCENE "
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fi
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recording_command="ffmpeg -y -f x11grab -s ${width}x${height} -i :0.0+${pos_x},$pos_y ${OUTPUT}/$date_format.mkv -nostdin"
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eval $obs_command &
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$recording_command &
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WINDOW_ID="$!"
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RETURN_CODE="$?"
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sleep 1;
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if [[ $? != 0 ]]; then
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notify-send "Recording starting failed" "Did not successfully started recording."
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if [[ "$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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WINDOW_ID=$(xdotool search --name "OBS [[:digit:]]+" | head -n1)
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notify-send "Recording started." "Found a OBS Studio window instance with the window ID $WINDOW_ID." --expire-time=1000
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notify-send "Recording started successfully" "Process ID is at "$WINDOW_ID"";
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touch $RECORDING_FILE
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echo $WINDOW_ID >> $RECORDING_FILE
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touch "$RECORDING_FILE";
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echo "$WINDOW_ID" >> $RECORDING_FILE;
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else
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current_window_id=$(xdotool getactivewindow)
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WINDOW_ID=$(<"$RECORDING_FILE")
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xdotool windowkill $WINDOW_ID
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kill $WINDOW_ID
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if [[ $? != 0 ]]; then
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notify-send "Recording stop process failed" "There's a problem with stopping recording. Might want to manually stop the recording yourself."
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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 ended." "The recording should be cancelled now."
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xdotool windowactivate $current_window_id
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notify-send "Recording stop successful"
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rm "$RECORDING_FILE"
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fi
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@ -158,8 +158,7 @@ bindsym Shift+Print exec ~/.scripts/maim-screenshot.sh --delay 3
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bindsym Control+Shift+Print exec ~/.scripts/maim-screenshot.sh --select --delay 3
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# Screen record (Alt + Print)
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bindsym $mod+Print exec ~/.scripts/screen-record.sh --scene barless-screen
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bindsym $mod+Shift+Print exec ~/.scripts/screen-record.sh --scene fullscreen
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bindsym $mod+Print exec ~/.scripts/ffmpeg-screen-record.sh --output ~/recordings
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# Define names for default workspaces for which we configure key bindings later on.
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# We use variables to avoid repeating the names in multiple places.
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