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rtpsession: Only put RRs and full SDES into regular RTCP packets

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If we may suppress the packet due to the rules of RFC4585 (i.e. when
below the t-rr-int), we can send a smaller RTCP packet without RRs
and full SDES. In theory we could even send a minimal RTCP packet
according to RFC5506, but we don't support that yet.

https://bugzilla.gnome.org/show_bug.cgi?id=746543
This commit is contained in:
Sebastian Dröge 2015-05-04 11:51:41 +02:00
parent 6f830e5bd5
commit 0f7e80ed59
1 changed files with 11 additions and 5 deletions
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16
gst/rtpmanager/rtpsession.c
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@ -3462,7 +3462,7 @@ session_sdes (RTPSession * sess, ReportData * data)
type = gst_rtcp_sdes_name_to_type (field);
/* Early packets are minimal and only include the CNAME */
if (data->is_early && type != GST_RTCP_SDES_CNAME)
if (data->may_suppress && type != GST_RTCP_SDES_CNAME)
continue;
if (type > GST_RTCP_SDES_END && type < GST_RTCP_SDES_PRIV) {
@ -3666,7 +3666,7 @@ generate_rtcp (const gchar * key, RTPSource * source, ReportData * data)
/* send BYE */
make_source_bye (sess, source, data);
is_bye = TRUE;
} else if (!data->is_early) {
} else if (!data->may_suppress) {
/* loop over all known sources and add report blocks. If we are early, we
* just make a minimal RTCP packet and skip this step */
g_hash_table_foreach (sess->ssrcs[sess->mask_idx],
@ -3744,6 +3744,7 @@ rtp_session_on_timeout (RTPSession * sess, GstClockTime current_time,
ReportData data = { GST_RTCP_BUFFER_INIT };
GHashTable *table_copy;
ReportOutput *output;
gboolean must_not_suppress;
g_return_val_if_fail (RTP_IS_SESSION (sess), GST_FLOW_ERROR);
@ -3802,8 +3803,12 @@ rtp_session_on_timeout (RTPSession * sess, GstClockTime current_time,
if (!is_rtcp_time (sess, current_time, &data))
goto done;
GST_DEBUG ("doing RTCP generation %u for %u sources, early %d",
sess->generation, data.num_to_report, data.is_early);
/* We need to send a full RTCP packet */
must_not_suppress = !data.is_early && !data.may_suppress;
GST_DEBUG
("doing RTCP generation %u for %u sources, early %d, may suppress %d",
sess->generation, data.num_to_report, data.is_early, data.may_suppress);
/* generate RTCP for all internal sources */
g_hash_table_foreach (sess->ssrcs[sess->mask_idx],
@ -3815,8 +3820,9 @@ rtp_session_on_timeout (RTPSession * sess, GstClockTime current_time,
/* we keep track of the last report time in order to timeout inactive
* receivers or senders */
if (!data.is_early && !data.may_suppress)
if (must_not_suppress)
sess->last_rtcp_send_time = data.current_time;
sess->last_rtcp_check_time = data.current_time;
sess->first_rtcp = FALSE;
sess->next_early_rtcp_time = GST_CLOCK_TIME_NONE;