[Development] QtMultimedia && QML - hard performance regressions on Windows

Denis Shienkov denis.shienkov at gmail.com
Wed Apr 27 14:17:49 CEST 2016


> I've seen something similar and solved it by changing codecs (installed
k-lite
codec pack)

I have the K-Lite codec pack already installed (I'm sorry, if I haven't
mentioned it).

BR,
Denis

2016-04-27 14:10 GMT+03:00 Sergio Martins <sergio.martins at kdab.com>:

> On Wednesday, 27 April 2016 12:37:26 WEST Denis Shienkov wrote:
> > Hi developers.
> >
> > I faced with a big problem with the video playback performance, when I
> try
> > to open the mp4 video file from any of QML video examples. I have a high
> > CPU loading (~40%) and the video is freezing and jerks. But the C++ media
> > player works satisfactory, more or less tolerably (on point 3 from the
> 1-5
> > points)...
>
> I've seen something similar and solved it by changing codecs (installed
> k-lite
> codec pack)
>
>
> Regards,
> --
> SĂ©rgio Martins | sergio.martins at kdab.com | Software Engineer
> Klarälvdalens Datakonsult AB, a KDAB Group company
> Tel: Sweden (HQ) +46-563-540090, USA +1-866-777-KDAB(5322)
> KDAB - The Qt Experts
>
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