static gboolean
refresh_rtcp_rr_ssrcs_map (KmsRtcpDemux * rtcpdemux, GstBuffer * buffer)
{
GstRTCPBuffer rtcp = { NULL, };
GstRTCPPacket packet;
GstRTCPType type;
gboolean ret = TRUE;
guint32 remote_ssrc, local_ssrc;
gst_rtcp_buffer_map (buffer, GST_MAP_READ, &rtcp);
if (!gst_rtcp_buffer_get_first_packet (&rtcp, &packet)) {
ret = FALSE;
goto end;
}
type = gst_rtcp_packet_get_type (&packet);
if (type != GST_RTCP_TYPE_RR) {
ret = TRUE;
goto end;
}
remote_ssrc = gst_rtcp_packet_rr_get_ssrc (&packet);
ret =
g_hash_table_contains (rtcpdemux->priv->rr_ssrcs,
GUINT_TO_POINTER (remote_ssrc));
if (!ret && (gst_rtcp_packet_get_rb_count (&packet) > 0)) {
gst_rtcp_packet_get_rb (&packet, 0, &local_ssrc, NULL, NULL, NULL, NULL,
NULL, NULL);
GST_TRACE_OBJECT (rtcpdemux, "remote_ssrc (%u) - local_ssrc(%u)",
remote_ssrc, local_ssrc);
g_hash_table_insert (rtcpdemux->priv->rr_ssrcs,
GUINT_TO_POINTER (remote_ssrc), GUINT_TO_POINTER (local_ssrc));
ret = TRUE;
}
end:
gst_rtcp_buffer_unmap (&rtcp);
return ret;
}
static GstFlowReturn
gst_rdt_manager_chain_rtcp (GstPad * pad, GstObject * parent,
GstBuffer * buffer)
{
GstRDTManager *src;
#ifdef HAVE_RTCP
gboolean valid;
GstRTCPPacket packet;
gboolean more;
#endif
src = GST_RDT_MANAGER (parent);
GST_DEBUG_OBJECT (src, "got rtcp packet");
#ifdef HAVE_RTCP
valid = gst_rtcp_buffer_validate (buffer);
if (!valid)
goto bad_packet;
/* position on first packet */
more = gst_rtcp_buffer_get_first_packet (buffer, &packet);
while (more) {
switch (gst_rtcp_packet_get_type (&packet)) {
case GST_RTCP_TYPE_SR:
{
guint32 ssrc, rtptime, packet_count, octet_count;
guint64 ntptime;
guint count, i;
gst_rtcp_packet_sr_get_sender_info (&packet, &ssrc, &ntptime, &rtptime,
&packet_count, &octet_count);
GST_DEBUG_OBJECT (src,
"got SR packet: SSRC %08x, NTP %" G_GUINT64_FORMAT
", RTP %u, PC %u, OC %u", ssrc, ntptime, rtptime, packet_count,
octet_count);
count = gst_rtcp_packet_get_rb_count (&packet);
for (i = 0; i < count; i++) {
guint32 ssrc, exthighestseq, jitter, lsr, dlsr;
guint8 fractionlost;
gint32 packetslost;
gst_rtcp_packet_get_rb (&packet, i, &ssrc, &fractionlost,
&packetslost, &exthighestseq, &jitter, &lsr, &dlsr);
GST_DEBUG_OBJECT (src, "got RB packet %d: SSRC %08x, FL %u"
", PL %u, HS %u, JITTER %u, LSR %u, DLSR %u", ssrc, fractionlost,
packetslost, exthighestseq, jitter, lsr, dlsr);
}
break;
}
case GST_RTCP_TYPE_RR:
{
guint32 ssrc;
guint count, i;
ssrc = gst_rtcp_packet_rr_get_ssrc (&packet);
GST_DEBUG_OBJECT (src, "got RR packet: SSRC %08x", ssrc);
count = gst_rtcp_packet_get_rb_count (&packet);
for (i = 0; i < count; i++) {
guint32 ssrc, exthighestseq, jitter, lsr, dlsr;
guint8 fractionlost;
gint32 packetslost;
gst_rtcp_packet_get_rb (&packet, i, &ssrc, &fractionlost,
&packetslost, &exthighestseq, &jitter, &lsr, &dlsr);
GST_DEBUG_OBJECT (src, "got RB packet %d: SSRC %08x, FL %u"
", PL %u, HS %u, JITTER %u, LSR %u, DLSR %u", ssrc, fractionlost,
packetslost, exthighestseq, jitter, lsr, dlsr);
}
break;
}
case GST_RTCP_TYPE_SDES:
{
guint chunks, i, j;
gboolean more_chunks, more_items;
chunks = gst_rtcp_packet_sdes_get_chunk_count (&packet);
GST_DEBUG_OBJECT (src, "got SDES packet with %d chunks", chunks);
more_chunks = gst_rtcp_packet_sdes_first_chunk (&packet);
i = 0;
while (more_chunks) {
guint32 ssrc;
ssrc = gst_rtcp_packet_sdes_get_ssrc (&packet);
GST_DEBUG_OBJECT (src, "chunk %d, SSRC %08x", i, ssrc);
more_items = gst_rtcp_packet_sdes_first_item (&packet);
j = 0;
while (more_items) {
GstRTCPSDESType type;
guint8 len;
gchar *data;
gst_rtcp_packet_sdes_get_item (&packet, &type, &len, &data);
GST_DEBUG_OBJECT (src, "item %d, type %d, len %d, data %s", j,
type, len, data);
more_items = gst_rtcp_packet_sdes_next_item (&packet);
j++;
}
more_chunks = gst_rtcp_packet_sdes_next_chunk (&packet);
i++;
}
break;
}
case GST_RTCP_TYPE_BYE:
{
guint count, i;
gchar *reason;
reason = gst_rtcp_packet_bye_get_reason (&packet);
GST_DEBUG_OBJECT (src, "got BYE packet (reason: %s)",
GST_STR_NULL (reason));
g_free (reason);
count = gst_rtcp_packet_bye_get_ssrc_count (&packet);
for (i = 0; i < count; i++) {
guint32 ssrc;
ssrc = gst_rtcp_packet_bye_get_nth_ssrc (&packet, i);
GST_DEBUG_OBJECT (src, "SSRC: %08x", ssrc);
}
break;
}
case GST_RTCP_TYPE_APP:
GST_DEBUG_OBJECT (src, "got APP packet");
break;
default:
GST_WARNING_OBJECT (src, "got unknown RTCP packet");
break;
}
more = gst_rtcp_packet_move_to_next (&packet);
}
gst_buffer_unref (buffer);
return GST_FLOW_OK;
bad_packet:
{
GST_WARNING_OBJECT (src, "got invalid RTCP packet");
return GST_FLOW_OK;
}
#else
return GST_FLOW_OK;
#endif
}
