<div dir="ltr">Hi List<div><br></div><div>I want to send audio to an onvif-compliant IP camera (Amcrest) and therefore, I have compiled gstreamer-1.14.1-* on Ubuntu 16.04 (installed to /usr/local). I now tried:</div><div><ol><li>./gst-plugins-good-1.14.1/tests/examples/rtsp/test-onvif rtsp://<a href="http://admin:XXXX@192.168.2.116:554/cam/realmonitor?channel=1&subtype=0&unicast=true&proto=Onvi" target="_blank">admin:XXXX@192.168.2.116:554/cam/realmonitor?channel=1&subtype=0&unicast=true&proto=Onvi</a><br>But nothing is audible on the camera. While the program is running, I cannot send audio via the manufacturer's android app so I think the connection is established.<br></li><li>I changed the audio signal in test-onvif.c to a sine signal (by removing `wave=red-noise`). Without suggess</li><li>Wireshark shows that there is data exchanged between ubuntu and the camera<br><span style="color:rgb(0,0,0);font-family:Consolas,"Lucida Console",monospace;font-size:12.8px;text-align:start;background-color:rgb(240,247,255);text-decoration-style:initial;text-decoration-color:initial;float:none;display:inline">`58422       149.274903247   192.168.2.125   192.168.2.116   RTCP    126     Receiver Report</span><span style="color:rgb(0,0,0);font-family:Consolas,"Lucida Console",monospace;font-size:12.8px;text-align:start;background-color:rgb(240,247,255);text-decoration-style:initial;text-decoration-color:initial">  </span><span style="color:rgb(0,0,0);font-family:Consolas,"Lucida Console",monospace;font-size:12.8px;text-align:start;background-color:rgb(240,247,255);text-decoration-style:initial;text-decoration-color:initial;float:none;display:inline"><span> </span>Source description`</span><span style="color:rgb(0,0,0);font-family:Consolas,"Lucida Console",monospace;font-size:12.8px;text-align:start;background-color:rgb(240,247,255);text-decoration-style:initial;text-decoration-color:initial"> </span><br></li><li>I build the gst-rtsp-server-1.14.1/examples/test-onvif-backchannel and replaced `fakesink` with `pulseaudiosink` and confirmed `/usr/local/bin/gst-launch-1.0 audiotestsrc ! pulsesink` works. `test-onvif` connects but again, I cannot hear any sound.</li></ol><div>How can I trace/narrow down the problem? </div><div><br></div><div>Best</div><div>Stefan</div></div></div>