Sometime jumping index order frames after nvstreamdemux plugin

Hello @Fiona.Chen, I start with custom app quite complexity but it’s base on deepstream-app.

I found some similar topic issue. That have this simple pipeline to check:

source_1 ~~~>                               ~~~> sink_1
            \                              /
             nvstreammux ~~~> nvstreamdemux
            /                              \
source_2 ~~~>                               ~~~> sink_2

Link topic:

and

Both of them still have no solutions now.