Hi all, I found a script to record cubes sessions, e.g. videos on
webbrowsers.
The problem is that it does not record the sound!
The media vm is based on debian10 template with a lot of stuff installed in
my case.
Any Idea to solve this? Here is the script that I collected from github.
The printf is for debugging.
user@media:~$ cat record_screen.sh
#!/bin/bash
#pass in alsa or pulse to record from sound device
IFS=$
#omit the top pixels to hide tabs and address bar
FIREFOX_Y_BUFFER=94
FIREFOX_X_BUFFER=2
if [[ ${1} =~ alsa ]] ; then
sound="-f alsa -ac 2 -i hw:0"
printf "alsa sound"
fi
if [[ ${1} =~ pulse ]] ; then
sound="-f pulse -ac 2 -i default"
printf "pulse sound"
fi
echo $sound
output=`xwininfo`
width=`echo $output | grep Width: | awk '{print $2}'`
height=`echo $output | grep Height: | awk '{print $2}'`
topleftX=`echo $output | grep "Absolute upper-left X:" | awk '{print $4}'`
topleftY=`echo $output | grep "Absolute upper-left Y:" | awk '{print $4}'`
winid=`echo $output | grep "Window id:" | awk '{print $4}'`
window=`xprop -id $winid WM_CLASS`
window=${window##*WM_CLASS(STRING) = }
window=${window##*, }
window=${window//\"}
window=`echo $window | sed 's/:/_/g'`
if [[ ${window} =~ Firefox ]] || [[ ${window} =~ Icecat ]] ; then
topleftY=$(( ${topleftY} + ${FIREFOX_Y_BUFFER} ))
topleftX=$(( ${topleftX} + ${FIREFOX_X_BUFFER} ))
width=$(( ${width} - ${FIREFOX_X_BUFFER} ))
height=$(( ${height} - ${FIREFOX_Y_BUFFER} ))
fi
ffmpeg -video_size ${width}x${height} -framerate 25 -f x11grab -i
:0.0+${topleftX},${topleftY} ${sound} ${window}.mp4
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