[gst-devel] multipoint rtp streams?

[Dirk Griffioen]

Hi Wim,

Thanks for the reply!

I had a look at it and it was quite helpful ...

I came up with the following python example that seems to do the 
streaming. I'll post it below, maybe someone finds it usefull.

Best regards, Dirk


//////

import gst

host1 = "127.0.0.1"
port1 = 1234

host2 = "192.168.0.1"
port2 = 4321

audiotestsrc = gst.element_factory_make("audiotestsrc")
audioconvert = gst.element_factory_make("audioconvert")
rtprawpay  = gst.element_factory_make("rtpL16pay")
multiudpsink = gst.element_factory_make("multiudpsink")

pipeline = gst.Pipeline('server')
pipeline.add(audiotestsrc, audioconvert, rtprawpay, multiudpsink)

gst.element_link_many(audiotestsrc, audioconvert, rtprawpay, multiudpsink)

def client_added(sink, host, port):
    print host, ":", port

multiudpsink.connect("client_added", client_added)

multiudpsink.emit("add", host1, port1)
multiudpsink.emit("add", host2, port2)


def print_stats():
    def _print(data, host, port):
        stats = "%s:%s bytes_sent: %s, packets_sent: %s, connect_time: 
%s" %(host, port, data[0], data[1], data[2])
        print stats
    data = multiudpsink.emit("get_stats", host1, port1)
    _print(data, host1, port1)
    data = multiudpsink.emit("get_stats", host2, port2)
    _print(data, host2, port2)
   
    return True

import glib
glib.timeout_add_seconds(1, print_stats)

pipeline.set_state(gst.STATE_PLAYING)

import gtk
gtk.main()





> gst-rtsp-server uses it when the media can be shared between clients.
> Like here: http://cgit.freedesktop.org/gstreamer/gst-rtsp-server/tree/gst/rtsp-server/rtsp-media.c#n1487
>
> Wim
>
> On Mon, Oct 19, 2009 at 8:32 AM, Dirk Griffioen
> <dirk.griffioen at barcelonamedia.org> wrote:
>   
>> Hi Wim,
>>
>> Thanks for the reply!
>>
>> I would like to know if it is possible to stream 1 source to multiple
>> destinations with the rtp pipeline by adding more udpsinks.
>>
>>
>> Check out multiudpsink.
>>
>>
>>
>> Sadly, Google did not point me to an example of how to use this, but I
>> presume by looking at the documentation I have to use the 'add' signal?
>>
>> Which I think means I cannot do it from the commandline, but need Python or
>> C.
>>
>> Could you maybe give me hint on it's use?
>>
>> Best regards, Dirk
>>
>>
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