TQ2440

[root@EmbedSky ma]# ./camera
QWidget::paintEngine: Should no longer be called
QPainter::begin: Paint device returned engine == 0, type: 1
QString::arg: Argument missing: VIDIOC_S_FMT, Invalid argument



在移植qt到TQ2440开发板时出现这样的错误，请高手指导，另外想问一下支持tq2440+4.3视频格式有哪些？