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rtpsession: Always send application requested feedback in immediate mode

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Send as many application requested feedback messages in immediate mode, even if they
have already been sent.

https://bugzilla.gnome.org/show_bug.cgi?id=654583
This commit is contained in:
Olivier Crête 2011-06-08 15:57:37 -04:00 committed by Mark Nauwelaerts
parent 354faabda0
commit 6095d2a3f0
2 changed files with 26 additions and 2 deletions
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27
gst/rtpmanager/rtpsession.c
View file

@ -60,6 +60,7 @@ enum
#define DEFAULT_SOURCES NULL
#define DEFAULT_RTCP_MIN_INTERVAL (RTP_STATS_MIN_INTERVAL * GST_SECOND)
#define DEFAULT_RTCP_FEEDBACK_RETENTION_WINDOW (2 * GST_SECOND)
#define DEFAULT_RTCP_IMMEDIATE_FEEDBACK_THRESHOLD (3)
enum
{
@ -78,6 +79,7 @@ enum
PROP_FAVOR_NEW,
PROP_RTCP_MIN_INTERVAL,
PROP_RTCP_FEEDBACK_RETENTION_WINDOW,
PROP_RTCP_IMMEDIATE_FEEDBACK_THRESHOLD,
PROP_LAST
};
@ -492,6 +494,14 @@ rtp_session_class_init (RTPSessionClass * klass)
0, G_MAXUINT64, DEFAULT_RTCP_FEEDBACK_RETENTION_WINDOW,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class,
PROP_RTCP_IMMEDIATE_FEEDBACK_THRESHOLD,
g_param_spec_uint ("rtcp-immediate-feedback-threshold",
"RTCP Immediate Feedback threshold",
"The maximum number of members of a RTP session for which immediate"
" feedback is used",
0, G_MAXUINT, DEFAULT_RTCP_IMMEDIATE_FEEDBACK_THRESHOLD,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
klass->get_source_by_ssrc =
GST_DEBUG_FUNCPTR (rtp_session_get_source_by_ssrc);
@ -550,6 +560,8 @@ rtp_session_init (RTPSession * sess)
sess->first_rtcp = TRUE;
sess->allow_early = TRUE;
sess->rtcp_feedback_retention_window = DEFAULT_RTCP_FEEDBACK_RETENTION_WINDOW;
sess->rtcp_immediate_feedback_threshold =
DEFAULT_RTCP_IMMEDIATE_FEEDBACK_THRESHOLD;
sess->rtcp_pli_requests = g_array_new (FALSE, FALSE, sizeof (guint32));
@ -649,6 +661,9 @@ rtp_session_set_property (GObject * object, guint prop_id,
rtp_stats_set_min_interval (&sess->stats,
(gdouble) g_value_get_uint64 (value) / GST_SECOND);
break;
case PROP_RTCP_IMMEDIATE_FEEDBACK_THRESHOLD:
sess->rtcp_immediate_feedback_threshold = g_value_get_uint (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
@ -703,6 +718,9 @@ rtp_session_get_property (GObject * object, guint prop_id,
case PROP_RTCP_MIN_INTERVAL:
g_value_set_uint64 (value, sess->stats.min_interval * GST_SECOND);
break;
case PROP_RTCP_IMMEDIATE_FEEDBACK_THRESHOLD:
g_value_set_uint (value, sess->rtcp_immediate_feedback_threshold);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
@ -3143,8 +3161,13 @@ rtp_session_request_early_rtcp (RTPSession * sess, GstClockTime current_time,
if (current_time + T_dither_max > sess->next_rtcp_check_time)
goto dont_send;
/* RFC 4585 section 3.5.2 step 4 */
if (sess->allow_early == FALSE)
/* RFC 4585 section 3.5.2 step 4
* Don't send if allow_early is FALSE, but not if we are in
* immediate mode, meaning we are part of a group of at most the
* application-specific threshold.
*/
if (sess->total_sources > sess->rtcp_immediate_feedback_threshold &&
sess->allow_early == FALSE)
goto dont_send;
if (T_dither_max) {

1
gst/rtpmanager/rtpsession.h
View file

@ -232,6 +232,7 @@ struct _RTPSession {
gboolean change_ssrc;
gboolean favor_new;
GstClockTime rtcp_feedback_retention_window;
guint rtcp_immediate_feedback_threshold;
GArray *rtcp_pli_requests;
GstClockTime last_keyframe_request;