[glimagesink] Adding new property to glimagesink and access it in wayland platform

[Matthew Waters]

Right, so if the current GstGLDisplay/GstGLWindow implementations for
wayland don't work for your platform, you will need to create your own
based on what you have available in the IVI space.  Adding a property
for something that's exposed through other means (like GstVideoOverlay)
is *not* the correct way to go about this.

Cheers
-Matt


On 03/04/17 15:38, Vikas Patil wrote:
>
> Hi Nicolas
>
> In in-vehicle infotainment, we use weston (wayland compositor) with
> ivi-controller (wayland-ivi-extension, layermanager) instead of
> desktop shell for handling and controlling widow surfaces from various
> application.
>
> Now for video playback with weston on i.mx6 soc I found glimagesink is
> the way to use, but as we are not using the desktop-shell there is no
> way to show video surfaces on display without wrapping weston surface
> to ILM (IVI Layermanager) using the ivi-application protocol. So in
> the use case where we need to create two video pipeline with different
> surface id for ILM I wanted to have this property in glimagesink with
> wayland so it can be passed to ivi-application.
>
> See
> https://at.projects.genivi.org/wiki/display/PROJ/Wayland+IVI+Extension+Design
> for more details on ivi-application protocol and IVI ILM.
>
> Thanks & Regards,
>
> Vikash
>
> From: Nicolas Dufresne <nicolas at ndufresne.ca
> <mailto:nicolas at ndufresne.ca>>
>
> To: Discussion of the development of and with GStreamer
>
>                 <gstreamer-devel at lists.freedesktop.org
> <mailto:gstreamer-devel at lists.freedesktop.org>>, Matthew Waters
>
>                 <ystreet00 at gmail.com <mailto:ystreet00 at gmail.com>>
>
> Subject: Re: [glimagesink] Adding new property to glimagesink and
>
>                 access it in wayland platform
>
> Message-ID: <1490971253.3749.1.camel at ndufresne.ca
> <mailto:1490971253.3749.1.camel at ndufresne.ca>>
>
> Content-Type: text/plain; charset="utf-8"
>
>  
>
> Le vendredi 31 mars 2017 à 07:13 +0530, Vikas Patil a écrit :
>
> > This surface-id is for wayland-ivi-extension (in-vehicle infotainment
>
> > layer manager) support in glimagesink. I find GstGlWindow is not
>
> > proper element and it seems it is internally invoked by glimagesink.
>
> > I am working with Wayland platform.
>
>  
>
> Would it be possible to provide some rational to these, slightly empty,
>
> statements. All display sink in GStreamer will display to a "Window"
>
> which is just a holder for a native handle specific to the display
>
> system in place. On X11 this is an XID, on Wayland this is a surface
>
> handle, etc. I also don't see you point about glimagesink using a
>
> GstGLWindow abstraction to display. Why should that mechanism be forked
>
> for cars make no sense to me.
>
>  
>
> regards,
>
> Nicolas
>
>
> On Fri, Mar 31, 2017 at 7:13 AM, Vikas Patil <vikasmpatil at gmail.com
> <mailto:vikasmpatil at gmail.com>> wrote:
>
>     Hi Matthew,
>
>     This surface-id is for wayland-ivi-extension (in-vehicle
>     infotainment layer manager) support in glimagesink. I find
>     GstGlWindow is not proper element and it seems it is internally
>     invoked by glimagesink. I am working with Wayland platform.
>
>     Thanks & Regards,
>     Vikash
>
>     On Mar 31, 2017 4:02 AM, "Matthew Waters" <ystreet00 at gmail.com
>     <mailto:ystreet00 at gmail.com>> wrote:
>
>         Is this surface-id something what would be better suited for the
>         GstVideoOverlay interface that glimagesink and
>         glwindow_wayland already
>         implement?
>
>         Cheers
>         -Matt
>
>
>         On 30/03/17 16:42, Vikas Patil wrote:
>         > Hi All,
>         >
>         > I would like to add new plug-in property (i.e. surface-id ) to
>         > glimagesink [1]. I have added required code to [1] as after
>         looking at
>         > other properties. However I need this property value
>         > to libgstsl.so [2].
>         >
>         > Could anyone guide me how to get new property value from [1]
>         > libgstopengl.so to [2] libgstgl.so?
>         >
>         >
>         > [1]
>         >
>         https://cgit.freedesktop.org/gstreamer/gst-plugins-bad/tree/ext/gl/gstglimagesink.c?id=1.6.0
>         <https://cgit.freedesktop.org/gstreamer/gst-plugins-bad/tree/ext/gl/gstglimagesink.c?id=1.6.0>
>         > [2]
>         >
>         https://cgit.freedesktop.org/gstreamer/gst-plugins-bad/tree/gst-libs/gst/gl/wayland/gstglwindow_wayland_egl.c?id=1.6.0
>         <https://cgit.freedesktop.org/gstreamer/gst-plugins-bad/tree/gst-libs/gst/gl/wayland/gstglwindow_wayland_egl.c?id=1.6.0>
>         >
>         > Thanking you.
>         >
>         > Thanks & regards,
>         > Vikash
>
>
>

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