[Interest] One MediaPlayer on two VideoOutput elements?

Neuer User auslands-kv at gmx.de
Wed Apr 30 21:32:25 CEST 2014


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.
Yeah, would be great if that could be added in the future.

> 
> 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
> 
Nice one, the QmlVideoTee. Will definitely test it :-)

What performance impact should I expect?




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