CameraEGLStreamConsumer::acquireFD implementation

In usr/src/jetson_multimedia_api/include/CameraEGLStreamConsumer.h, one of the abstract methods of class CameraEGLStreamConsumer is acquireFD. Is there any sample implementation for this method? Moreover, CameraEGLStreamConsumer is a consumer class. Is its producer counterpart available as well? My ultimate goal is to have producer/consumer for DMA buffers. Any help will be highly appreciated.

There is no sample for it. For capturing camera frame data in DMA buffer(NvBuffer) on Jetpack 4, please refer to the samples:


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