Embed MPlayer in QMainWindow

[Zola]

I wrote this code:

#include "mainwindow.h"
#include <QApplication>
#include <QProcess>

int main(int argc, char *argv[])
{
    QApplication a(argc, argv);
    MainWindow w;
    QProcess *process = new QProcess;
    QString s;
    s = QString("mplayer -wid %1 %2").arg(w.winId()).arg("/home/debian/Desktop/video.mp4");
    process->start(s);
    w.show();

    return a.exec();
}

And it works well on my i386 Ubuntu VM, it embeds MPlayer in Qt MainWindow and plays video as expected, but thats not the case when I try to run the same program on my BeagleBone Black running under Debian Jessie. What can be the problem? I tried to use different display drivers (fbdev and modesetting), also tried changing platforms when running my application and it acts the same.

I figured out that I have error in my /var/log/Xorg.0.log file: "(EE) FBDEV(0): FBIOPUTCMAP: Invalid argument"