rtpssrcdemux

rtpssrcdemux acts as a demuxer for RTP packets based on the SSRC of the packets. Its main purpose is to allow an application to easily receive and decode an RTP stream with multiple SSRCs.

For each SSRC that is detected, a new pad will be created and the new-ssrc-pad signal will be emitted.

Example pipelines

 gst-launch-1.0 udpsrc caps="application/x-rtp" ! rtpssrcdemux ! fakesink

Takes an RTP stream and send the RTP packets with the first detected SSRC to fakesink, discarding the other SSRCs.

Hierarchy

GObject
    ╰──GInitiallyUnowned
        ╰──GstObject
            ╰──GstElement
                ╰──rtpssrcdemux

Factory details

Authors: – Wim Taymans

Classification: – Demux/Network/RTP

Rank – none

Plugin – rtpmanager

Package – GStreamer Good Plug-ins

Pad Templates

rtcp_sink

application/x-rtcp:

Presence – always

Direction – sink

Object type – GstPad

rtcp_src_%u

application/x-rtcp:

Presence – sometimes

Direction – src

Object type – GstPad

sink

application/x-rtp:

Presence – always

Direction – sink

Object type – GstPad

src_%u

application/x-rtp:

Presence – sometimes

Direction – src

Object type – GstPad

Signals

new-ssrc-pad 

new_ssrc_pad_callback (GstElement * demux,
                       guint ssrc,
                       GstPad * pad,
                       gpointer udata)
def new_ssrc_pad_callback (demux, ssrc, pad, udata):
    #python callback for the 'new-ssrc-pad' signal
function new_ssrc_pad_callback(demux: GstElement * demux, ssrc: guint ssrc, pad: GstPad * pad, udata: gpointer udata): {
    // javascript callback for the 'new-ssrc-pad' signal
}

Emitted when a new SSRC pad has been created.

Parameters:

demux –

the object which received the signal

ssrc –

the SSRC of the pad

pad –

the new pad.

udata –
No description available

Flags: Run Last

removed-ssrc-pad 

removed_ssrc_pad_callback (GstElement * demux,
                           guint ssrc,
                           GstPad * pad,
                           gpointer udata)
def removed_ssrc_pad_callback (demux, ssrc, pad, udata):
    #python callback for the 'removed-ssrc-pad' signal
function removed_ssrc_pad_callback(demux: GstElement * demux, ssrc: guint ssrc, pad: GstPad * pad, udata: gpointer udata): {
    // javascript callback for the 'removed-ssrc-pad' signal
}

Emitted when a SSRC pad has been removed.

Parameters:

demux –

the object which received the signal

ssrc –

the SSRC of the pad

pad –

the removed pad.

udata –
No description available

Flags: Run Last

Action Signals

clear-ssrc 

g_signal_emit_by_name (demux, "clear-ssrc", ssrc);
ret = demux.emit ("clear-ssrc", ssrc)
let ret = demux.emit ("clear-ssrc", ssrc);

Action signal to remove the pad for SSRC.

Parameters:

demux (GstElement *) –

the object which received the signal

ssrc (guint) –

the SSRC of the pad

Flags: Run Last / Action

Properties

max-streams 

“max-streams” guint

The maximum number of streams allowed

Flags : Read / Write

Default value : -1

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