how can I change GstBuffer to NvBuffer?

hello, I want to get buffer from appsink, how can I change GstBuffer to NvBuffer?

Hi,
Please refer to the sample at
https://devtalk.nvidia.com/default/topic/1037450/jetson-tx2/use-gstreamer-or-tegra_multimedia_api-to-decode-video-would-be-more-efficient-and-increase-throughput-/post/5270860/#5270860

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the link is about extracting dmabuf_fd from GstBuffer, but I want to change GstBuffer to NvBuffe for NvVideoConverter, Is there any method?

Hi,
NvVideoconverter is same as gstreamer nvvidconv plugin. Are you able to use nvvidconv in your case?