For smptealph element to work as expected the following compositing
element should mix with the default "over" operator, as described
in its documentation.
Export GES library API in headers when we're building the
library itself, otherwise import the API from the headers.
This fixes linker warnings on Windows when building with MSVC.
Fix up some missing config.h includes when building the lib which
is needed to get the export api define from config.h
Fixes https://gitlab.freedesktop.org/gstreamer/gst-editing-services/issues/42
Now subclassing a ghostpad with an alpha property so that
we can multiply the alpha of the frame positioning meta
and the alpha of that pad, setting it on the compositor pad.
https://bugzilla.gnome.org/show_bug.cgi?id=797169
We were using the actual mixer pad to release the smart mixer
pad, which seemed to be on purpose, but was not properly handle,
moreover, it is now forbiden to pass a pad not inside a GstElement
when releasing it.
Also properly remove ghost pads from Smart mixer, we were planly
failling at it.
And fix a computation bug where we would be having mixing order
reversed between layers.
And make sure that the positionner does not mix up Transition handling
of the zorder
g-ir-scanner includes section docs as class/interface docs if the section name is equal to the lowercase type name.
Since all the documentation is in section blocks, rename them to match the type names.
https://bugzilla.gnome.org/show_bug.cgi?id=727776
