/data/data/com.whatsapp/shared_prefs/com.whatsapp_preferences.xml Once the file opens, you can see some code written in it. The purpose is to change a value of a variable to suit our needs. For this find the integer ‘name’ and change its media limit value to a desired number like 500 from the default 16. This will change the file sharing limit on your whatsapp to 500MB instead of the original 16MB. You can enter any limit you want as long as it is less than 2 GB or 2048 MB.

You remove audio by using the  -an  flag. ffmpeg -i example.mkv -c copy -an example-nosound.mkv Full ffmpeg documentation  here . ----- add audio to video file ffmpeg -i pk4.mp4 -i toutput.m4a -map 0 -map 1 -codec copy pk8.mp4 ----- merger 2 audio file ffmpeg -i tabrakmasuk.m4a -i tabrakmasuk2.m4a -filter_complex "[0:a][1:a]concat=n=2:v=0:a=1" toutput.m4a