Regarding KLV-meta tagging with gstreamer

akash jain akash.dhamasia12 at gmail.com
Sat Feb 27 12:37:30 UTC 2016


Hi all,

i have a few doubts regarding klv-metagging with gstreamer.

Is the actual klv-meta tagging (which is compatible with MISB) is different
from gstreamer-klv-meta-tagging?
If NO then,

how the data which i am sending as meta-data is related to key,length,value?
I am sending meta-data like:

const std::string meta-data = "mymetadata";

Pushing meta-data to appsrc and
appsrc -> mpegtsmuc -> udpsink

If i want to send multiple sensor data like GPS,IMU, i thought of sending
them as

meta-data << "IMUx=" << IMUx << ",IMUy=" << IMUy<< ",IMUz=" << IMUz <<
",Gpsx=" << Gpsx << ",Gpsy=" << Gpsy << ",Gpsz=" << Gpsz << ".";

but that will require decoding of these sensor value in a specific order and
format which is not standard.

How to send them in a way compatible to MISB standard so that any
klv-inspector can able to recognise it ?

Do anyone know of any video player which can decode klv meta-tags?




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