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Record linux desktop audio using script which can be set as keybind
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| #!/bin/bash | |
| # This program is free software; you can redistribute it and/or modify | |
| # it under the terms of the GNU General Public License as published by | |
| # the Free Software Foundation; either version 3 of the License, or | |
| # (at your option) any later version. | |
| # | |
| # This program is distributed in the hope that it will be useful, | |
| # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| # GNU General Public License for more details. | |
| # | |
| # You should have received a copy of the GNU General Public License | |
| # along with this program. If not, see <https://www.gnu.org/licenses/>. | |
| # | |
| # The file TaskCompletedSound.wav is from the project ShareX, | |
| # which is licensed under the GNU General Public License v3.0. | |
| # https://github.com/ShareX/ShareX/blob/a06ba651ca452871a13a12f4361370a025a38042/ShareX/Resources/TaskCompletedSound.wav | |
| # pactl list short sources | |
| sourceName=alsa_output.usb-Schiit_Audio_Schiit_Modi_3-00.analog-stereo.monitor | |
| sourceChannels=2 | |
| sourceRate=44100 | |
| outputDir=/tmp/audioRecordHotkey | |
| tempRecordFile="$outputDir/temp.wav" | |
| pidFile="$outputDir/pid" | |
| mkdir -p $outputDir | |
| if [ -f $pidFile ]; then | |
| # Get PID of the ffmpeg which is recording | |
| pid=$(cat $pidFile) | |
| rm $pidFile | |
| # Tell ffmpeg to stop | |
| kill -2 $pid | |
| # Wait until ffmpeg has cleanly stopped | |
| tail --pid=$pid -f /dev/null | |
| if [ -f $tempRecordFile ]; then | |
| # Create output file from temporary | |
| timestamp=`date +%F_%T.%N` | |
| outputFile="$outputDir/$timestamp.mp3" | |
| # Remove silence from beginning/end and normalize volume | |
| ffmpeg -i $tempRecordFile -af silenceremove=1:0:-80dB,areverse,silenceremove=1:0:-80dB,areverse,loudnorm -y $outputFile | |
| # Copy the file path to clipboard so it can be pasted | |
| # Uncomment "-sel c" to use Ctrl C clipboard instead of middle click | |
| echo "file:$outputFile" | xclip -t text/uri-list #-sel c | |
| rm $tempRecordFile | |
| # Play sound | |
| currentDir="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )" | |
| mpv "$currentDir/TaskCompletedSound.wav" | |
| fi | |
| else | |
| # Start recording | |
| ffmpeg -f pulse -ac $sourceChannels -ar $sourceRate -i $sourceName -ar 44100 -q:a 1 -y $tempRecordFile & | |
| # Save PID of ffmpeg | |
| echo $! > $pidFile | |
| fi |
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