udpsrc has no data for windows

Anuj Pahuja kamikazeanuj at gmail.com
Thu Jun 30 07:49:23 UTC 2016


> Send pipeline now is:
> gst-launch-1.0 -e audiotestsrc wave=2 samplesperbuffer=512 !
> audio/x-raw,format=S16LE,rate=8000,channels=1 ! udpsink buffer-size=1000000
> clients="192.168.1.101:5018"
>
> Receive pipeline now is:
> gst-launch-1.0 -e udpsrc address="192.168.1.101" buffer-size=1000000
> port=5018 caps="audio/x-raw,format=S16LE,rate=8000,channels=1" ! fakesink
> dump=TRUE
>
> Still no data displayed for the receiver pipeline on my windows 7 machine!
>
> I attached the new wireshark capture file obtained from the receiver
> machine which now shows no fragmentation. I think the IP layer does support
> fragmentation and reassembly but there are a number of possible drawbacks
> there as well.
>
> I followed the udp stream in wireshark [40 packets total for test session]
> and saved the raw packet data to a file [size 40960 bytes]. I used Audacity
> [a free, open source, cross-platform software for recording and editing
> sounds from here:  http://audacity.sourceforge.net/ ] to import the raw
> audio data, gave it the audio data format, and it plays just fine.
>
> I used my own C++ udp receiver test app to capture data during the same
> test session as above and also saved it to a raw file. I compared it to the
> wireshark capture file and it is identical. This shows that my test app is
> in fact receiving all the udp data for the no-fragmentation case.
>

Sorry to hijack this thread but I was having similar problems on Windows.
Here's the thread:

http://gstreamer-devel.966125.n4.nabble.com/Multicast-RTP-not-working-on-Windows-td4677923.html

Couldn't figure a solution to this.
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