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Issues with APStreamline

hello dear fellow
I’m trying to setup a pi zero w as compagnon computer essentialy for acting as gateway mavlink over IP and streaming
I’ve not used provided APSync image because it’s a pi zero and because I want to be able to fully understand all config points
I’ve an up and running mavlink-routerd
compiled APweb is working ok also
APStreamline looks to work also ok
except 2 things :

  • I can’t start APStreamline from APWeb interface
~/APWeb $ ./web_server -p3000
Unable to connect to the stream server
Error in launching the stream server

and some times I have this

~/APWeb $ ./web_server -p3000
Unable to connect to the stream server
Error in launching the stream server
Unable to connect to the stream server
Stream server running with PID: 3721
Unable to connect to the stream server
Stream server running with PID: 3721
Unable to connect to the stream server
  • and if I start it manualy it looks ok on APWeb but when I try to watch stream on vlc over network I got theses errors
~/start_apstreamline/bin $ ./stream_server zt2lr3lk4x
Interface : zt2lr3lk4x
Address : 10.244.206.209
***APStreamline***
Access the following video streams using VLC or gst-launch following the instructions here: https://github.com/shortstheory/adaptive-streaming#usage
==============================
/dev/video0 (papalook webcam ): rtsp://10.244.206.209:8554/cam7
/dev/video1 (papalook webcam ): rtsp://10.244.206.209:8554/cam8
/dev/video10 (bcm2835-codec-decode): rtsp://10.244.206.209:8554/cam0
/dev/video11 (bcm2835-codec-encode): rtsp://10.244.206.209:8554/cam5
/dev/video12 (bcm2835-codec-isp): rtsp://10.244.206.209:8554/cam6
/dev/video13 (bcm2835-isp): rtsp://10.244.206.209:8554/cam1
/dev/video14 (bcm2835-isp): rtsp://10.244.206.209:8554/cam2
/dev/video15 (bcm2835-isp): rtsp://10.244.206.209:8554/cam3
/dev/video16 (bcm2835-isp): rtsp://10.244.206.209:8554/cam4

(stream_server:3688): GStreamer-CRITICAL **: 12:37:01.856: gst_element_set_state: assertion 'GST_IS_ELEMENT (element)' failed

(stream_server:3688): GStreamer-CRITICAL **: 12:37:01.858: gst_object_unref: assertion 'object != NULL' failed

(stream_server:3688): GStreamer-CRITICAL **: 12:37:01.858: gst_element_set_state: assertion 'GST_IS_ELEMENT (element)' failed

(stream_server:3688): GStreamer-CRITICAL **: 12:37:01.859: gst_object_unref: assertion '((GObject *) object)->ref_count > 0' failed
Stream disconnected!

as I’m wating for good pi zero compatible cam i’m just testing with standard USB web cam (/dev/video[0\1]) I dont expecting ultra fast stream but just seeing somthing
Dont be afraid with strange interface name it’s a vpn virtual interface

thank’sfor any helpfull idea and remarks

Servers by jDrones