QApplication sets the locale, so change the LC_NUMERIC category back to "C" for libmpv. See: http://qt-project.org/doc/qt-5/qcoreapplication.html#locale-settings
QApplication sets the locale, so change the LC_NUMERIC category back to "C" for libmpv. See: http://qt-project.org/doc/qt-5/qcoreapplication.html#locale-settings