[gstreamer-bugs] [Bug 640002] New: Lost 1. RTP packages from server after sending RTSP PLAY

GStreamer (bugzilla.gnome.org) bugzilla at gnome.org
Wed Jan 19 14:18:56 PST 2011


https://bugzilla.gnome.org/show_bug.cgi?id=640002
  GStreamer | gst-plugins-good | 0.10.26

           Summary: Lost 1. RTP packages from server after sending RTSP
                    PLAY
    Classification: Desktop
           Product: GStreamer
           Version: 0.10.26
        OS/Version: All
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: gst-plugins-good
        AssignedTo: gstreamer-bugs at lists.sourceforge.net
        ReportedBy: mts at doredevelopment.dk
         QAContact: gstreamer-bugs at lists.sourceforge.net
      GNOME target: ---
     GNOME version: ---


The server based on live555. The client:

  gst-launch rtspsrc location=rtsp://192.168.18.39:8554/22-16-M-short.wav !
decodebin2 ! filesink location=test.raw

The trafic on the network looks like this:
No.     Time        Source                Destination           Protocol Info
10 0.021750    192.168.17.72       192.168.18.39         RTSP SETUP
rtsp://192.168.18.39:8554/22-16-M-short.wav/track1 RTSP/1.0
11 0.023679    192.168.18.39       192.168.17.72         RTSP Reply: RTSP/1.0
200 OK
12 0.061095    192.168.17.72       192.168.18.39         TCP  38021 > rtsp-alt
[ACK] Seq=414 Ack=966
18 0.073468    192.168.17.72       192.168.18.39         RTSP PLAY
rtsp://192.168.18.39:8554/22-16-M-short.wav RTSP/1.0
19 0.074308    192.168.18.39       192.168.17.72         RTP 
PT=DynamicRTP-Type-96, SSRC=0x80006A08, Seq=1495, Time=31077
20 0.074336    192.168.18.39       192.168.17.72         RTSP Reply: RTSP/1.0
200 OK
21 0.074705    192.168.17.72       192.168.18.39         TCP  38021 > rtsp-alt
[ACK] Seq=555 Ack=1164
22 0.094731    192.168.18.39       192.168.17.72         RTP 
PT=DynamicRTP-Type-96, SSRC=0x80006A08, Seq=1496, Time=31079

The output in test.raw do not contain the 882 bytes data from the first RTP
package.

In another dump of network traffic, with the only difference that the first RTP
package arrives after the RTSP OK, the output does contain the first 882 bytes
of data. This behavior is consistence and seen in several sessions.

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