[Qt-interest] Phonon - Current image from VideoWidget

[Gustavo de Sá Carvalho Honorato]

Hi,

I'm using Phonon to handle video. I want to get an QImage from VideoWidget
so I can show it as a preview. I tried the snapshot() method, but it returns
an invalid image.

I also tried QPixmap::grabWidget(). It returned a black image. I think
that's because it's executed before the widget is showed.

How can I get an QImage that represents the current frame with Phonon?

Thanks,
  Gustavo
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