[Interest] One MediaPlayer on two VideoOutput elements?

Mandeep Sandhu mandeepsandhu.chd at gmail.com
Fri May 2 11:04:01 CEST 2014

On Fri, May 2, 2014 at 12:52 PM, Neuer User <auslands-kv at gmx.de> wrote:
> Just wanted to try out the QmlVideoTee example, but it seems I am
> missing something:
> qabstractvideosurface.h: No such file or directory
>  #include <qabstractvideosurface.h>

Try this instead:

#include <QAbstractVideoSurface>

Qt headers that users use are w/o the ".h" suffix.


>                                    ^
> Where do I find that file?
> Cheers
> Michael
> Am 30.04.2014 17:22, schrieb Lopes Yoann:
>> On Apr 30, 2014, at 12:36 PM, Neuer User wrote:
>>> Hi
>>> I need to show an RTSP video played by a MediaPlayer element on two
>>> different VideoOutput elements. I can't get it to work. Only the last
>>> VideoOutput in the code works.
>>> Am I doing something wrong? Or is this just not expected to work? If so,
>>> how should I achieve this? I don't want to use shader elements as this
>>> certainly reduces performance a lot.
>> It's currently a limitation. The fact that it can be done in QML is misleading, it's more clear with the C++ API where you can only set a video output on a media source, and not the other way around.
>> We should support this in a future release, it doesn't involve many changes.
>> In the meantime the easiest solution, as you mentioned, is to use the ShaderEffect element.
>> There are other (hack-ish) solutions to do this but it requires more work. Here's an example doing just that: https://github.com/marseyeah/QmlVideoTee
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