sending DTMF RFC 2833

[Olivier Crête]

Hello,

You need to an the element to actually send the DTMF, between the
rtppcmapay and the sink you wan to add rtpdtmfmux and then connect
rtpdtmfsrc before it. Then it should "just work".

You also need to send the stop event after the start event.

Olivier




On Fri, 2015-11-20 at 07:42 -0800, symeon.mattes wrote:
> I'm going to rephrase a little bit my question in order to simplify
> it. What
> I'm trying to do is send DTMF signals over network. So I would expect
> the
> following to work. Is there anything to do? 
> 
> pipeline_sending=gst_pipeline_new("sending-data"); 
>     dtmf = gst_element_factory_make("rtpdtmfsrc",NULL); 
>     udpsink = gst_element_factory_make("udpsink",NULL); 
>    
> g_object_set(G_OBJECT(udpsink),"port",remotePort.intValue,"host",remo
> teAddress.UTF8String,"bind-port",5004,NULL); 
>     
>     gst_bin_add_many(GST_BIN(pipeline_sending), dtmf,udpsink,NULL); 
> gst_element_link_many(dtmf,udpsink,NULL); 
> 
>     GstStructure *structure = gst_structure_new("dtmf-event", 
>                                   "type",G_TYPE_INT,1, 
>                                   "number",G_TYPE_INT,4, 
>                                   "volume",G_TYPE_INT,25, 
>                                   "start",G_TYPE_BOOLEAN,TRUE,NULL); 
>     GstEvent *event =
> gst_event_new_custom(GST_EVENT_CUSTOM_UPSTREAM,structure); 
>     gst_element_send_event(pipeline_sending,event); 
> 
> 
> 
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-- 
Olivier Crête
olivier.crete at collabora.com