Trying to stream H264 over RTP

Eloi Bail eloi.bail at
Wed Apr 16 10:15:52 PDT 2014


Firewall issues is not in Gstreamer scope, but have you got too ACCEPT on
OUPUT tables.

Regarding RTSP, gst-rtsp-server has examples ( that
will be useful to understand how to use it.



On Tue, Apr 15, 2014 at 10:46 PM, Craig Routledge <web at>wrote:

> On 04/15/2014 01:36 PM, Chuck Crisler wrote:
>> > Set higher logging levels and/or get a packet capture to see if the
>> problem(s) is in the transmit or receive.
> On 04/15/2014 05:46:57 PM, Michael Gruner wrote:
>> You'll need to specify the full set caps from the payloader, just the
>> mimetype isn't enough. For example:
>  And yes, this means that the receiver pipeline is fixed to the sender
>> pipeline's resolution and characteristics. Changing something on the sender
>> will require a new pipeline on the receiver. If this is a problem for you,
>> you might want to try using mpegtsmux or a smarter protocol like RTSP.
> Thank you both.  Nothing seemed obviously wrong in the output when I
> increased
> the debug level.  However, when I ran wireshark, I got an unending list of
> "Destination unreachable (unreachable port)" ICMP packets for the
> destination
> port.
> The weird part is that my firewall should not be blocking this.  I'm
> running
> Fedora 20 with the standard firewall setup, the first two entries of which
> are,
>   -A INPUT -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT
>   -A INPUT -i lo -j ACCEPT
> So all loopback connections should go through.
> Anyone have any ideas?
> Also, I'd like to look into RTSP but although I found a packet receiver
> (rtspsrc)
> with gst-inspect, I can't seem to figure out how to invoke the server.  The
> gstreamer-rtsp-server documentation only lists the library functions.
>  Does it
> have to be done via a program or can I create an RTSP stream with a
> command line?
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