Support for GstMeta in GDP

[Matt Gruenke]

I want to use gdppay/gdpdepay to serialize/deserialize GstMeta, along with the buffers to which it's attached.

https://gstreamer.freedesktop.org/documentation/gdp/index.html?gi-language=c


I'm searching around for any support for GstMeta serialization/deserialization in GDP, and not finding it.  Is any work on this in progress?

https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/tree/master/gst/gdp


I noticed that GstMeta has some hook for transformations.  For serialization, I imagined it might use that.

https://gstreamer.freedesktop.org/documentation/gstreamer/gstmeta.html?gi-language=c#GstMetaTransformFunction


I guess the harder question is how best to de-serialize from GDP.  The Meta type registry might be used as a basis for finding the provider, but I think another hook would be needed to invoke a deserializer.

Any thoughts, ideas, and suggestions are welcome.


Matt

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