rtspsrc resets the timestamp

[Baby Octopus]

Hi,

I'm trying to restream rtsp video coming from a IP camera. I see that
rtspsrc resets the timestamp after first 5 seconds due to state change
dynamically. This is causing issues in playback

This is the print that I see

gst-launch-1.0 rtspsrc location=rtsp://admin:admin@192.168.2.87:550 !
rtph264depay ! fakesink silent=0 -v -m

/GstPipeline:pipeline0/GstFakeSink:fakesink0: last-message = chain   *******
(fakesink0:sink) (20394 bytes, dts: 0:00:04.734, pts: 0:00:04.719, duration:
none, offset: -1, offset_end: -1, flags: 00002000 delta-unit )
0x7fbbb4025cf0
/GstPipeline:pipeline0/GstFakeSink:fakesink0: last-message = chain   *******
(fakesink0:sink) (22388 bytes, dts: 0:00:04.792, pts: 0:00:04.789, duration:
none, offset: -1, offset_end: -1, flags: 00002000 delta-unit )
0x7fbbb4024130
/GstPipeline:pipeline0/GstFakeSink:fakesink0: last-message = chain   *******
(fakesink0:sink) (20210 bytes, dts: 0:00:04.802, pts: 0:00:04.789, duration:
none, offset: -1, offset_end: -1, flags: 00002000 delta-unit )
0x7fbbb4024df0
*/GstPipeline:pipeline0/GstFakeSink:fakesink0: last-message = chain  
******* (fakesink0:sink) (21287 bytes, dts: 0:00:04.863, pts: 0:00:04.859,
duration: none, offset: -1, offset_end: -1, flags: 00002000 delta-unit )
0x7fbbb40248a0*
Got message #216 from element "rtpsession0" (element):
/GstPipeline:pipeline0/GstRTSPSrc:rtspsrc0/GstRtpBin:manager/GstRtpSsrcDemux:rtpssrcdemux0.GstPad:rtcp_src_4294961314:
caps = "application/x-rtcp\,\ ssrc\=\(uint\)4294961314"
application/x-rtp-source-sdes, cname=(string)Private;
/GstPipeline:pipeline0/GstRTSPSrc:rtspsrc0/GstRtpBin:manager/GstRtpJitterBuffer:rtpjitterbuffer0.GstPad:sink_rtcp:
caps = "application/x-rtcp\,\ ssrc\=\(uint\)4294961314"
Got message #220 from element "rtpsession1" (element):
application/x-rtp-source-sdes, cname=(string)Private;
Got message #227 from element "rtpptdemux1" (state-changed):
GstMessageStateChanged, old-state=(GstState)GST_STATE_NULL,
new-state=(GstState)GST_STATE_READY,
pending-state=(GstState)GST_STATE_PLAYING;
Got message #228 from element "rtpptdemux1" (state-changed):
GstMessageStateChanged, old-state=(GstState)GST_STATE_READY,
new-state=(GstState)GST_STATE_PAUSED,
pending-state=(GstState)GST_STATE_PLAYING;
Got message #229 from element "rtpptdemux1" (state-changed):
GstMessageStateChanged, old-state=(GstState)GST_STATE_PAUSED,
new-state=(GstState)GST_STATE_PLAYING,
pending-state=(GstState)GST_STATE_VOID_PENDING;
/GstPipeline:pipeline0/GstRTSPSrc:rtspsrc0/GstRtpBin:manager/GstRtpJitterBuffer:rtpjitterbuffer1.GstPad:sink_rtcp:
caps = "application/x-rtcp\,\ ssrc\=\(uint\)3663668030"
Got message #230 from element "rtpjitterbuffer1" (state-changed):
GstMessageStateChanged, old-state=(GstState)GST_STATE_NULL,
new-state=(GstState)GST_STATE_READY,
pending-state=(GstState)GST_STATE_PLAYING;
Got message #231 from pad "rtpjitterbuffer1:src" (stream-status):
GstMessageStreamStatus,
type=(GstStreamStatusType)GST_STREAM_STATUS_TYPE_CREATE,
owner=(GstElement)"\(GstRtpJitterBuffer\)\ rtpjitterbuffer1",
object=(GstTask)"\(GstTask\)\ rtpjitterbuffer1:src";
Got message #232 from element "rtpjitterbuffer1" (state-changed):
GstMessageStateChanged, old-state=(GstState)GST_STATE_READY,
new-state=(GstState)GST_STATE_PAUSED,
pending-state=(GstState)GST_STATE_PLAYING;
Got message #233 from element "rtpjitterbuffer1" (state-changed):
GstMessageStateChanged, old-state=(GstState)GST_STATE_PAUSED,
new-state=(GstState)GST_STATE_PLAYING,
pending-state=(GstState)GST_STATE_VOID_PENDING;
Got message #237 from pad "rtpjitterbuffer1:src" (stream-status):
GstMessageStreamStatus,
type=(GstStreamStatusType)GST_STREAM_STATUS_TYPE_ENTER,
owner=(GstElement)"\(GstRtpJitterBuffer\)\ rtpjitterbuffer1",
object=(GstTask)"\(GstTask\)\ rtpjitterbuffer1:src";
*/GstPipeline:pipeline0/GstFakeSink:fakesink0: last-message = chain  
******* (fakesink0:sink) (22258 bytes, dts: 0:00:00.024, pts: 0:00:00.022,
duration: none, offset: -1, offset_end: -1, flags: 00002000 delta-unit )
0x7fbbb4024df0*
/GstPipeline:pipeline0/GstFakeSink:fakesink0: last-message = chain   *******
(fakesink0:sink) (22823 bytes, dts: 0:00:00.028, pts: 0:00:00.022, duration:
none, offset: -1, offset_end: -1, flags: 00002000 delta-unit )
0x7fbbb40248a0
/GstPipeline:pipeline0/GstFakeSink:fakesink0: last-message = chain   *******
(fakesink0:sink) (22268 bytes, dts: 0:00:00.085, pts: 0:00:00.092, duration:
none, offset: -1, offset_end: -1, flags: 00002000 delta-unit )
0x7fbbb4024ac0
/GstPipeline:pipeline0/GstFakeSink:fakesink0: last-message = chain   *******
(fakesink0:sink) (23612 bytes, dts: 0:00:00.096, pts: 0:00:00.092, duration:
none, offset: -1, offset_end: -1, flags: 00002000 delta-unit )
0x7fbbb4023120
/GstPipeline:pipeline0/GstFakeSink:fakesink0: last-message = chain   *******
(fakesink0:sink) (23390 bytes, dts: 0:00:00.154, pts: 0:00:00.162, duration:
none, offset: -1, offset_end: -1, flags: 00002000 delta-unit )
0x7fbbb4023230
/GstPipeline:pipeline0/GstFakeSink:fakesink0: last-message = chain   *******
(fakesink0:sink) (20201 bytes, dts: 0:00:00.220, pts: 0:00:00.221, duration:
none, offset: -1, offset_end: -1, flags: 00002000 delta-unit )
0x7fbbb4023bc0
/GstPipeline:pipeline0/GstFakeSink:fakesink0: last-message = chain   *******
(fakesink0:sink) (20105 bytes, dts: 0:00:00.224, pts: 0:00:00.221, duration:
none, offset: -1, offset_end: -1, flags: 00002000 delta-unit )
0x7fbbb40239a0
/GstPipeline:pipeline0/GstFakeSink:fakesink0: last-message = chain   *******
(fakesink0:sink) (20951 bytes, dts: 0:00:00.294, pts: 0:00:00.291, duration:
none, offset: -1, offset_end: -1, flags: 00002000 delta-unit )
0x7fbbb4026040

Can someone tell why is the timestamp reset dynamically?



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