glupload never copy metadata

[Cyril Baletaud]

Hi,

In my pipeline, i use a custom metadata API. I need to access this metadata from a GstGLElement.

GstBuffer are uploaded with glupload element, but this element never copy metadata.

In my API, the function gev_infos_meta_transform is never called. (i have connected a identity element before and after glupload to read InfosMeta).

With classic CPU pipeline, my custom metadata works well.

Is this a bug, or may i forgot to do something ?

Thanks .

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[Matthew Waters]

On 14/03/17 20:44, Cyril Baletaud wrote:
> Hi,
>
> In my pipeline, i use a custom metadata API. I need to access this
> metadata from a GstGLElement.
> GstBuffer are uploaded with glupload element, but this element never
> copy metadata.
> In my API, the function gev_infos_meta_transform is never called. (i
> have connected a identity element before and after glupload to read
> InfosMeta).

The GstMeta copying is handled by GstBaseTransfrom's copy_metadata vfunc
which by default does not copy memory specific GstMeta or any GstMeta
with any tags.

Cheers
-Matt

> With classic CPU pipeline, my custom metadata works well.
>
> Is this a bug, or may i forgot to do something ?
>
> Thanks .
>



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