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rtpssrcdemux: Add support for reduce size rtcp

Browse source 
According to RFC 5506, reduce size packages can be sent, this
packages may not be compound, so we need to add support for
getting ssrc from other types of packages.

https://bugzilla.gnome.org/show_bug.cgi?id=750327
This commit is contained in:
Jose Antonio Santos Cadenas 2015-06-03 12:22:42 +02:00 committed by Sebastian Dröge
parent f8f23bbf5d
commit f563176349
1 changed files with 9 additions and 2 deletions
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11
gst/rtpmanager/gstrtpssrcdemux.c
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@ -678,7 +678,7 @@ gst_rtp_ssrc_demux_rtcp_chain (GstPad * pad, GstObject * parent,
demux = GST_RTP_SSRC_DEMUX (parent);
if (!gst_rtcp_buffer_validate (buf))
if (!gst_rtcp_buffer_validate_reduced (buf))
goto invalid_rtcp;
gst_rtcp_buffer_map (buf, GST_MAP_READ, &rtcp);
@ -687,7 +687,9 @@ gst_rtp_ssrc_demux_rtcp_chain (GstPad * pad, GstObject * parent,
goto invalid_rtcp;
}
/* first packet must be SR or RR or else the validate would have failed */
/* first packet must be SR or RR, or in case of a reduced size RTCP packet
* it must be APP, RTPFB or PSFB feeadback, or else the validate would
* have failed */
switch (gst_rtcp_packet_get_type (&packet)) {
case GST_RTCP_TYPE_SR:
/* get the ssrc so that we can route it to the right source pad */
@ -697,6 +699,11 @@ gst_rtp_ssrc_demux_rtcp_chain (GstPad * pad, GstObject * parent,
case GST_RTCP_TYPE_RR:
ssrc = gst_rtcp_packet_rr_get_ssrc (&packet);
break;
case GST_RTCP_TYPE_APP:
case GST_RTCP_TYPE_RTPFB:
case GST_RTCP_TYPE_PSFB:
ssrc = gst_rtcp_packet_fb_get_sender_ssrc (&packet);
break;
default:
goto unexpected_rtcp;
}