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#!/bin/sh
# dmenu for recordings with ffmpeg
# dependencies: pipewire-pulse/pulseaudio, ffmpeg, dmenu, slop
# Original: https://github.com/whoisYoges/record-with-ffmpeg
set -e
videodir="${XDG_VIDEOS_DIR:-$HOME/Videos}/ffmpeg/"
audiodir="$videodir"
title="$(date +ffmpeg-"%Y-%m-%d-%H-%M-%S")"
recordingresolution="$(xrandr | sed -n 's/\s*\([0-9]\+x[0-9]\+\).*\*.*/\1/p')"
outputresolution="$recordingresolution"
display="$DISPLAY"
fps="30"
crf="22" # 18
codecvideo="libx264"
codecaudio="libmp3lame"
preset="veryfast"
videoext="mp4"
audioext="wav"
# use pactl list source to check the infos
monitoraudioinput="alsa_output.pci-0000_00_1b.0.analog-stereo.monitor"
microphoneaudioinput="alsa_input.pci-0000_00_1b.0.analog-stereo"
monitoraudiochannel="2"
microphoneaudiochannel="2"
monitoraudiofrequency="48000"
microphoneaudiofrequency="48000"
outputaudiofrequency="44100"
internalAudioOnly() {
ffmpeg \
-f pulse -ac "$monitoraudiochannel" -ar "$monitoraudiofrequency" -i "$monitoraudioinput" \
-acodec "$codecaudio" -ar "$outputaudiofrequency" -q:a 1 "$title.$audioext"
}
microphoneOnly() {
ffmpeg \
-f pulse -ac "$microphoneaudiochannel" -ar "$microphoneaudiofrequency" -i "$microphoneaudioinput" \
-acodec "$codecaudio" -ar "$outputaudiofrequency" -q:a 1 "$title.$audioext"
}
internalAudioAndMicrophone() {
ffmpeg \
-f pulse -ac "$monitoraudiochannel" -ar "$monitoraudiofrequency" -i "$monitoraudioinput" \
-f pulse -ac "$microphoneaudiochannel" -ar "$microphoneaudiofrequency" -i "$microphoneaudioinput" \
-filter_complex amix=inputs=2 \
-acodec "$codecaudio" -ar "$outputaudiofrequency" -q:a 1 "$title.$audioext"
}
videoWithoutAudio() {
ffmpeg \
-f x11grab -r "$fps" -s "$recordingresolution" -i "$display" \
-vcodec "$codecvideo" -preset "$preset" -crf "$crf" \
-pix_fmt yuv420p -s "$outputresolution" "$title.$videoext"
}
videoWithInternalAudio() {
ffmpeg \
-f pulse -ac "$monitoraudiochannel" -ar "$monitoraudiofrequency" -i "$monitoraudioinput" \
-f x11grab -r "$fps" -s "$recordingresolution" -i "$display" \
-vcodec "$codecvideo" -preset "$preset" -crf "$crf" \
-acodec "$codecaudio" -ar "$outputaudiofrequency" -q:a 1 \
-pix_fmt yuv420p -s "$outputresolution" "$title.$videoext"
}
videoWithMicrophone() {
ffmpeg \
-f pulse -ac "$microphoneaudiochannel" -ar "$microphoneaudiofrequency" -i "$microphoneaudioinput" \
-f x11grab -r "$fps" -s "$recordingresolution" -i "$display" \
-vcodec "$codecvideo" -preset "$preset" -crf "$crf" \
-acodec "$codecaudio" -ar "$outputaudiofrequency" -q:a 1 \
-pix_fmt yuv420p -s "$outputresolution" "$title.$videoext"
}
videoWithMicrophoneAndInternalAudio() {
ffmpeg \
-f pulse -ac "$monitoraudiochannel" -ar "$monitoraudiofrequency" -i "$monitoraudioinput" \
-f pulse -ac "$microphoneaudiochannel" -ar "$microphoneaudiofrequency" -i "$microphoneaudioinput" \
-filter_complex amix=inputs=2 \
-f x11grab -r "$fps" -s "$recordingresolution" -i "$display" \
-vcodec "$codecvideo" -preset "$preset" -crf "$crf" \
-acodec "$codecaudio" -ar "$outputaudiofrequency" -q:a 1 \
-pix_fmt yuv420p -s "$outputresolution" "$title.$videoext"
}
audio() {
choice=${1:-$(printf "Quit
1 Internal audio
2 Microphone
3 Both" | dmenu -i -p "Audio")}
case $choice in
Quit) return 0 ;;
1*) cd "$audiodir" && internalAudioOnly ;;
2*) cd "$audiodir" && microphoneOnly ;;
3*) cd "$audiodir" && internalAudioAndMicrophone ;;
*) return 1 ;;
esac
}
video() {
choice=${1:-$(printf "Quit
1 Without audio
2 With internal audio
3 With mic
4 With both" | dmenu -i -p "Video")}
case $choice in
Quit) return 0 ;;
1*) cd "$videodir" && videoWithoutAudio ;;
2*) cd "$videodir" && videoWithInternalAudio ;;
3*) cd "$videodir" && videoWithMicrophone ;;
4*) cd "$videodir" && videoWithMicrophoneAndInternalAudio ;;
*) return 1 ;;
esac
}
setSelectionVal() {
X=$1 Y=$2 W=$3 H=$4
[ $((W % 2)) -eq 1 ] && W=$((W + 1))
[ $((H % 2)) -eq 1 ] && H=$((H + 1))
recordingresolution="$W"x"$H"
outputresolution="$recordingresolution"
display="$display"+"$X","$Y"
}
videosel() {
slop=$(slop -q -f "%x %y %w %h") || return 1
# shellcheck disable=SC2086
setSelectionVal $slop
video "$1"
}
main() {
[ ! -d "$audiodir" ] && mkdir -p "$audiodir"
[ ! -d "$videodir" ] && mkdir -p "$videodir"
choice=${1:-$(printf "Quit
1 Audio
2 Video
3 Video Selection" | dmenu -i -p "Mode")}
case $choice in
Quit) return 0 ;;
1*) audio "$2" ;;
2*) video "$2" ;;
3*) videosel "$2" ;;
*) return 1 ;;
esac
}
main "$@"
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