undefined symbol: gst_dmabuf_allocator_new

[ChrisLiuv]

Hi

I use plugin bad template to construct my custom element,

https://developer.ridgerun.com/wiki/index.php?title=Creating_a_New_GStreamer_Element_or_Application_Using_Templates

I try to use gst_dmabuf_allocator_new() function but when I use
gst-inspect-1.0 to check, it shows undefined symbol.

My element is based on GstElement.

GObject
 +----GInitiallyUnowned
       +----GstObject
             +----GstElement
                   +----GstMyFilter

How to add dma buf support on my element?

Thanks a lot.




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