Force Ffmpeg Into Non-Interactive Mode
Fleeting- Référence externe : https://stackoverflow.com/questions/28372647/how-to-force-ffmpeg-into-non-interactive-mode
-nostdin - To explicitly disable console interactions. Without -y this will cause ffmpeg to error out if the target file exists.
— https://stackoverflow.com/questions/28372647/how-to-force-ffmpeg-into-non-interactive-mode