Gstreamer. Multiple pcap to avi

BogdanS bodyaf at gmail.com
Mon Sep 12 21:50:49 UTC 2016


I have multiple .pcap files 01.pcap, 02.pcap,...N.pcap, they includes two
streams, Audio-G.711 Video-H.264. Every pcap has ~1 min of streaming And I
need to make one .avi. I use mergecap.exe to concatenate pcaps to one big
pcap.

mergecap.exe -F pcap 01.pcap 02.pcap ....N.pcap -w out.pcap
After that I use gstreamer to make .avi file

*gst-launch-1.0 filesrc location=out.pcap ! tee name=t ! pcapparse
dst-ip=192.168.2.55 dst-port=5010 ^
        ! application/x-rtp, media=(string)video, clock-rate=(int)90000,
encoding-name=(string)H264, payload=(int)96 ^
        ! rtpjitterbuffer ^
        ! rtph264depay ^
        ! h264parse ^
        ! queue^
        ! mux. t. ! pcapparse dst-ip=192.168.2.55 dst-port=4010 ^
        ! application/x-rtp, media=(string)audio, clock-rate=(int)8000,
encoding-name=(string)PCMA, channels=(int)1, payload=(int)8 ^
        ! rtpjitterbuffer ^
        ! rtppcmadepay ^
        ! queue ^
        ! mux. avimux name=mux ! filesink location=test.avi
*This pipeline works for one pcap well.. When I conatenate two .pcaps, it's
works too. But if it is more than 2 pacaps-> rtpjitterbuffer drops almost
every video packet

...

    0:00:03.856698538 12812   08E3FD28 WARN         rtpjitterbuffer
gstrtpjitterbuffer.c:2163:gst_rtp_jitter_buffer_chain:<rtpjitterbuffer0>
Packet #41238 too late as #57525 was already popped, dropping
    0:00:03.861442222 12812   08E3FD28 WARN         rtpjitterbuffer
gstrtpjitterbuffer.c:2163:gst_rtp_jitter_buffer_chain:<rtpjitterbuffer0>
Packet #41239 too late as #57525 was already popped, dropping
    0:00:03.870865810 12812   08E3FD28 WARN         rtpjitterbuffer
gstrtpjitterbuffer.c:2163:gst_rtp_jitter_buffer_chain:<rtpjitterbuffer0>
Packet #41240 too late as #57525 was already popped, dropping
    0:00:03.876392403 12812   08E3FD28 WARN         rtpjitterbuffer
gstrtpjitterbuffer.c:2163:gst_rtp_jitter_buffer_chain:<rtpjitterbuffer0>
Packet #41241 too late as #57525 was already popped, dropping

and continues...
and continues...
and continues...
...

I was trying :

Change latency in rtpjitterbuffer
Remove rtpjitterbuffer
Don't use tee
Your suggestions why this is happening? I remind you that everything works
up to two pcap's. No matter what pcaps 1 with 2 or 5 with 6 or ...



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