tcpserversink fails to set_state

[bernhard.graaf]

Why Port 0?


Von meinem Samsung Galaxy Smartphone gesendet.
-------- Ursprüngliche Nachricht --------Von: Krutskikh Ivan <stein.hak at gmail.com> Datum: 23.05.17  13:39  (GMT+01:00) An: Discussion of the development of and with GStreamer <gstreamer-devel at lists.freedesktop.org> Betreff: Re: tcpserversink fails to set_state 
Anyone?

2017-05-16 10:01 GMT+03:00 Krutskikh Ivan <stein.hak at gmail.com>:
I'm still stumbled with this one. Any help would be appreciated.

2017-04-18 11:46 GMT+03:00 Krutskikh Ivan <stein.hak at gmail.com>:
Hi, everyone

The thing I want to accomplish is this: 

Parse pipeline from template like:

rtspsrc name=source latency=100 ! queue ! rtph264depay  ! mpegtsmux name=mux !  tcpserversink port=0  name=sink

Connect client_added to code:

def add_client(self, sink, gsock):
   print 'Adding client for input:', self.input
   self.mainbin.set_state(Gst.State.PLAYING)
   state = self.mainbin.get_state(5 * Gst.SECOND)  # Wait 5 seconds for pipeline to become playing. If not- panic
   if state[1] != Gst.State.PLAYING:
      print 'Failed to start pipeline in time'
      self.interrupt = 1
   else:
      self.clients[gsock] = time.time()

and set mainbin to state Gst.State.READY.

So in theory pipeline would be set to Gst.State.PLAYING upon connection of the first client. But something diffetent is happening:


0:00:10.181936142 22902      0x2fd3720 INFO              GST_STATES gstbin.c:2316:gst_bin_element_set_state:<sink0> current READY pending VOID_PENDING, desired next PAUSED
0:00:10.181958384 22902      0x2fd3720 INFO              GST_STATES gstelement.c:2657:gst_element_change_state:<sink0> have FAILURE change_state return
0:00:10.181964597 22902      0x2fd3720 INFO              GST_STATES gstelement.c:2247:gst_element_abort_state:<sink0> aborting state from READY to PAUSED
0:00:10.181970952 22902      0x2fd3720 INFO              GST_STATES gstbin.c:2780:gst_bin_change_state_func:<pipeline0> child 'sink0' failed to go to state 3(PAUSED)
0:00:10.181982111 22902      0x2fd3720 INFO              GST_STATES gstelement.c:2657:gst_element_change_state:<sink0> have FAILURE change_state return
0:00:10.181986271 22902      0x2fd3720 INFO              GST_STATES gstelement.c:2247:gst_element_abort_state:<sink0> aborting state from READY to READY
0:00:10.181991927 22902      0x2fd3720 WARN                     bin gstbin.c:2642:reset_state:<sink0> Failed to switch back down to READY

Is my scenario possible and what can I do about it? 

Thanks in advance!






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