[gst-devel] GstRtpBin Elemenst Signal "on-timeout"

[Aniruddha]

Hi Eric,
          Thanks for the reply. The rtspsrc element you mentioned is probably a RTSP Client. But i am implementing a RTSP Server. The pipeline i am using is a general pipeline we use for implementing gstrtpbin as a RTP sender. The pipeline is as below :-

gst-launch-0.10 gstrtpbin name=rtpbin filesrc location=<filename> ! mpeg4videoparse ! rtpmp4vpay ! rtpbin.send_rtp_sink_2 rtpbin.send_rtp_src_2 ! udpsink port=5000 host=<IP> name=vrtpsink rtpbin.send_rtcp_src_2 ! udpsink port=5001 host=<IP> sync=false async=false name=vrtcpsink udpsrc port=5005 name=vrtpsrc ! rtpbin.recv_rtcp_sink_2

Please suggest on how to implement the "time out" when the client crashes.

Regards
Aniruddha
  ----- Original Message ----- 
  From: Eric Zhang 
  To: Aniruddha ; Discussion of the development of GStreamer 
  Sent: Monday, December 15, 2008 9:11 AM
  Subject: Re: [gst-devel] GstRtpBin Elemenst Signal "on-timeout"


  Hi, gstreamer-devel:

      1. If the client crash/power failure/network disconnected, there is no way to send TEARDOWN to server so the server will keep sending packets to the client. I think there is no way to notify server stopping the streaming.

      2. on-bye-timeout, on-timeout will be emitted by GstRtpBin if bye packet is received or there is no any packets received for a while. I noticed you mentioned "TEARDOWN", so I think maybe you're playing a RTSP movie and so rtspsrc maybe is used in your pipeline. Rtspsrc uses GstRtpBin internally and connects these signals then do the EOS logics. So I am surprised you have a GstRtpBin element in your pipeline and wanna connect these signals manually. Paste your pipeline here, maybe it can make things clear.

  Eric Zhang


  2008/12/12 Aniruddha <aniruddhachourasia at tataelxsi.co.in>

    Hi All,
            I am using GstRtpBin element in the gst-plugins-bad-0.10.8 for implementing
    rtsp/rtp streaming over udp. I am able to stream properly. Both SR and RRs are 
    getting transfered. But when the client stops because of any reason(crash, power
    failure, network disconnection, etc) without giving a TEARDOWN signal, the 
    server should also stop streaming. I have attached a signal handler for the signals 
    on-timeout, on-bye-timeout, on-bye-ssrc emitted by the gstrtpbin element. But the 
    signal handlers are not getting called. Following is the sample code for the above 
    implementation:-

    ------------------------------------------------------------------------------------------------------------------------------------
    void on_bye_ssrc (GstElement* object,
                                           guint arg0,
                                           guint arg1,
                                           gpointer user_data)
    {
            printf ("\n\n######### Inside on-bye-ssrc() callback function#########\n\n");
    }


    void on_bye_timeout (GstElement* object,
                                           guint arg0,
                                           guint arg1,
                                           gpointer user_data)
    {
            printf ("\n\n#########Inside on-bye-timeout() callback function#########\n\n");
    }



    void on_timeout (GstElement* object,
                                           guint arg0,
                                           guint arg1,
                                           gpointer user_data)
    {
            printf ("\n\n#########Inside on-timeout() callback function#########\n\n");
    }

    int main (){
    ---
    ---
    g_signal_connect (pstGstRtpBin, "on-bye-ssrc", G_CALLBACK (on_bye_ssrc), NULL);
    g_signal_connect (pstGstRtpBin, "on-timeout", G_CALLBACK (on_timeout), NULL);
    g_signal_connect (pstGstRtpBin, "on-bye-timeout", G_CALLBACK (on_bye_timeout), NULL);
    ---
    ---
    }
    ------------------------------------------------------------------------------------------------------------------------------------

    Please suggest how to attach the signal handlers.


    Regards
    Aniruddha



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