How to display video streamed from UDP source?

[Chuck Crisler]

Look at this example:
http://gstreamer.freedesktop.org/data/doc/gstreamer/head/manual/html/chapter-helloworld.html#section-helloworld

Change the filesrc to udpsrc. Use gst-inspect udpsrc to find the needed
properties. You should also reference this link:

http://gstreamer.freedesktop.org/data/doc/gstreamer/head/faq/html/chapter-troubleshooting.html

You can also use export GST_DEBUG=aaa:<dbg level> where aaa is a plugin
name such as udpsrc. dbg level ranges from 1 to 5 or so, 5 being very
verbose.


On Tue, May 7, 2013 at 4:42 PM, Jim Norton <jimnorton at jimnorton.org> wrote:

> I have a small program that uses the GStreamer library to play videos from
> local files and videos on webservers using HTTP.
>
> How does one go about connecting to and playing a UDP video broadcast in C
> using GStreamer?
>
>
> For example, what is required to play the streaming video at this
> hypothetical URI? 10.0.11.255:9001
>
> I have to be able to play a streaming video that is created using the
> following sample VLC command:
>
> cvlc -vvv /vlc/attract.mpg :norm=ntsc :v4l2-width=320 :v4l2-height=240
> :v4l2-standard=45056 :channel=1 --no-sout-audio --sout
> '#transcode{vb="1600",vcodec=**mpgv,acodec=mpga,venc=ffmpeg}:**
> standard{access=udp,mux=ts,**dst=10.0.11.255:9001}' --loop --ttl 1
>
>
> I tried:
>
> // using playbin2 connect to UDP broadcast
> g_object_set (data.playbin2, "uri", "udp://10.0.11.255:9001", NULL);
>
> Then I try to start the stream with the following:
>
> /* Start playing */
>     if( gst_element_set_state (data.playbin2, GST_STATE_PLAYING) ==
> GST_STATE_CHANGE_FAILURE )
>     {
>         g_printerr ("Unable to set the pipeline to the playing state.\n");
>         gst_object_unref (data.playbin2);
>         return( -1 );
>     }
>
> and I get the failure to change state message.
>
> After some more googling, I found out about udpsrc. However, I can't
> figure out how to use it in C code. I've gone through the tutorials, but
> have not found any examples showing how to play a video streaming via VLC
> from a UDP port.
>
> Any and all help would be greatly appreciated.
>
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