does anyone who worked on Qt6 have any idea about this?
to be clear: it chooses ONE of multiple cam inputs, and multiplexes the output
to several QGraphicsVideoItems, each one in a different QGraphicsScene (not
"the same scene in different viewers")
> On Jul 7, 2021, at 12:58 PM, David M. Cotter wrote:
>
> i THINK the replacement for QAbstractVideoSurface is QVideoSink, but there's
> lost functionality..
>
> for example, my media app can take multiple cam inputs and route them all to
> multiple QGraphicsScenes in different windows
>
> in qt5 i did this by subclassing QAbstractVideoSurface, instantiate one and
> call camera->setViewFinder() with it.
> there is no setViewFinder() any more. ?? how do we ... do that now?
>
> in the subclass i would be overriding supportedPixelFormats() to supply the
> available format(s) (using supportedPixelFormats() which is gone), and
> overriding present() to send the new frame off to each scene with a
> QGraphicsVideoItem in it, but the present() function is gone. ? it does have
> newVideoFrame(), but that isn't virtual.
>
> how shall i accomplish this?
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