render to egl texture

[Joel Winarske]

In my use case (video player) I just need to initialize the pipeline and
return a texture id.

Is there a way to determine the texture id without loading a frame?

Is the texture id constant over the lifecycle of the pipeline?


On Mon, Mar 8, 2021 at 9:57 PM Matthew Waters <ystreet00 at gmail.com> wrote:

> That is one option if you're looking to use glimagesink's rendering.  If
> you're rendering the texture yourself, something like
> https://gitlab.freedesktop.org/gstreamer/gst-plugins-base/-/blob/master/tests/examples/gl/sdl/sdlshare.c
> is more appropriate.
>
> Cheers
> -Matt
>
> On 9/3/21 1:37 pm, Joel Winarske wrote:
>
> I'm figuring a pipeline like this:
> uridecodebin uri=file:///usr/local/share/assets/video.mp4 !
> video/x-raw(memory:GLMemory),format=RGBA,texture-target=2D ! glimagesink
>
> To get the texture id I see a pattern in the cube example of attaching
> callback to "client-draw" of glimagesink, then mapping the video buffer
> which provides access to the texture id.  Is this the only way to access
> the texture id?
>
> Thanks,
> Joel
>
>
> On Mon, Mar 8, 2021 at 4:59 PM Joel Winarske <joel.winarske at gmail.com>
> wrote:
>
>> Thank you for that.
>>
>> What is the current recommended pattern for rendering to a GL texture
>> which gets consumed by a shared context?  The shared context handles the
>> rendering.
>>
>> Cheers,
>> Joel
>>
>>
>> On Mon, Mar 8, 2021 at 4:32 PM Matthew Waters <ystreet00 at gmail.com>
>> wrote:
>>
>>> No.
>>>
>>> clutter has not been recommended for many years.  gst-plugins-gl neither
>>> for many more.  gst-plugins-gl has been migrated into gst-plugins-bad as
>>> can be seen from the latest commit on that repo:
>>> https://github.com/freedesktop/gstreamer-gst-plugins-gl/commit/bedade404ec82432742a901c663f18dfaa24356f)
>>> and then promoted to gst-plugins-base and is available as the libgstgl-1.0
>>> library.
>>>
>>> Cheers
>>> -Matt
>>>
>>> On 9/3/21 8:59 am, Joel Winarske wrote:
>>>
>>> Is
>>> https://github.com/freedesktop/gstreamer-gst-plugins-gl/blob/master/tests/examples/clutter
>>> still the recommended pattern for rendering to an EGL texture?
>>>
>>> Thanks,
>>> Joel
>>>
>>>
>>> _______________________________________________
>>> gstreamer-devel mailing listgstreamer-devel at lists.freedesktop.orghttps://lists.freedesktop.org/mailman/listinfo/gstreamer-devel
>>>
>>>
>>>
>
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