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Failed to use DMA buffer between decoder and encoder.

The pipeline of: gst-launch-1.0 -v filesrc location=in264.bits ! h264parse ! vaapih264dec ! vaapipostproc ! video/x-raw(memory:DMABuf) ! vaapih264enc ! filesink location=out.h264

and gst-launch-1.0 -v filesrc location=huge264.bits ! h264parse ! vaapih264dec ! video/x-raw(memory:DMABuf) ! vaapih264enc ! filesink location=out.h264

fails with reason not-negotiated (-4)