GStreamer provides a basic support for muxing and demuxing KLV metadata into/from STANAG 4609 files and streams.
This repository contains a sample GStreamer pipelines for insertion and extraction the metadata using MisbCoreNative library.
Demonstrates how to create a test H.264 video and multiplex it into standard compliant STANAG 4609 stream by encodeing MISB 601 metadata and injecting it into the stream
Demonstrates how to extract and decode MISB601 KLV encoded metadata from STANAG 4609 file