Using GstVideoOverlay on Mac

[Andy Robinson]

On 12/01/16 14:40, Andy Robinson wrote:
> On 11/01/16 21:07, Sebastian Dröge wrote:
>> Try using glimagesink, it generally works better than osxvideosink and
>> also has more features. Does that work better?
>
> This behaves the same as autovideosink - if I omit the call to
> gst_video_overlay_set_window_handle then it displays the video in a
> separate window. When I include the call to
> gst_video_overlay_set_window_handle then I get no video at all, and my
> NSView has no subviews. Although from inside the program, everything
> seems to be working smoothly.
>
>> Unfortunately I'm not aware of a plain OSX application that uses the
>> GstVideoOverlay interface, only GTK+ applications and plain OSX
>> applications using the CoreAnimation sink.
>
> So are you saying that nobody uses this feature on Mac? Is it possible
> that it simply doesn't work? I don't know what CoreAnimation sink is, it
> doesn't seem to be installed on my system (a "full install" of 1.6.1).
> Is it something I could use for displaying video in a NSView owned by my
> app (which is all I want to do)?
>
> I would really like to find a solution.
>
> Regards,
> Andy Robinson, Seventh String Software, www.seventhstring.com

And P.S. could it have anything to do with the fact that autovideosink 
and glimagesink are BINs rather than single elements (and they fail to 
add the necessary subview) while osxvideosink is a single element (and 
does add the necessary subview)?