rstp backchannel

[Bram]

Hi,

 
I’ve been trying to get an rtsp backchannel stream with rtspsrc from gstreamer 1.14. I can’t get the backchannel to play noise.

I’ve got the following pipeline which works for the receving streams #0 and #1 as video and audio. 

 
GST_DEBUG_DUMP_DOT_DIR=/home/sysadm/dot gst-launch-1.0 rtspsrc location=rtsp://admin:kito56proq@dahua1 debug=true backchannel=1 name=d d. ! rtph264depay ! avdec_h264 ! videoconvert ! autovideosink d. ! application/x-rtp,clock-rate=16000 ! rtpmp4gdepay ! avdec_aac ! audioconvert ! autoaudiosink d. ! audiotestsrc is-live=true wave=red-noise ! avenc_aac ! rtpmp4gpay  ! application/x-rtp, media=audio,payload=97 ! appsink name=out

 
What do I need to do to get stream #2 connected to the noisegenerator?


 
Thx,

 
Bram
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