David, I’m was looking to use QQuick API instead of QWidgets.
Instead of a video it could be a shader, or an image. The idea is to have a processing, on a certain input. I also need to do this fast, very fast. Is Qt suitable for this? Regards, Nuno > On 15 Aug 2024, at 21:55, David M. Cotter <d...@kjams.com> wrote: > > Assuming you want multiple layers, you want a QGraphicsScene > https://doc.qt.io/qt-6/qgraphicsscene.html > > Shown through a view > > And into the scene you can add QGraphicsItems > https://doc.qt.io/qt-6/qgraphicsitem.html#details > > One of which can be a pixmap item: > https://doc.qt.io/qt-6/qgraphicspixmapitem.html > > yes? > >> On Aug 15, 2024, at 1:37 AM, Nuno Santos via Interest >> <interest@qt-project.org> wrote: >> >> Hi, >> >> I’m looking to create a pipeline of video processing with C++ only. >> >> I want for instance to create render a video, then an apply a blur effect, >> followed by a tilt effect, followed by hue shift effect, and so on. >> >> I also want to be able to switch the order of the effects. >> >> I know this is possible to make using Qml but I want to have more low level >> and dynamic control and be able to do this from C++. Is this even possible >> using Qt only? >> >> I believe a single QQuickItem is able to render source but in order to >> process is I need to be able to pass the output of that quick item to >> another quick item which will apply the effect on it. >> >> This was the strategy used in a higher level from the Qml side using the >> multi effect source. Isn’t that correct? But is this possible to do with Qt >> 6 and C++ only? Is there any API I should be aware of? >> >> Please advise. >> >> Thanks in advance. >> >> With my best regards, >> >> Nuno >> _______________________________________________ >> Interest mailing list >> Interest@qt-project.org >> https://lists.qt-project.org/listinfo/interest >
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