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rtpbin: allow configurable rtcp stream syncing interval

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... rather than necessarily syncing at each RTCP SR.
This commit is contained in:
Mark Nauwelaerts 2011-08-08 12:09:41 +02:00
parent afd26f0078
commit f29c253934
2 changed files with 37 additions and 0 deletions
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36
gst/rtpmanager/gstrtpbin.c
View file

@ -213,6 +213,9 @@ struct _GstRtpBinPrivate
gint shutdown;
gboolean autoremove;
/* UNIX (ntp) time of last SR sync used */
guint64 last_unix;
};
/* signals and args */
@ -245,6 +248,7 @@ enum
#define DEFAULT_AUTOREMOVE FALSE
#define DEFAULT_BUFFER_MODE RTP_JITTER_BUFFER_MODE_SLAVE
#define DEFAULT_USE_PIPELINE_CLOCK FALSE
#define DEFAULT_RTCP_SYNC_INTERVAL 0
enum
{
@ -254,6 +258,7 @@ enum
PROP_DO_LOST,
PROP_IGNORE_PT,
PROP_NTP_SYNC,
PROP_RTCP_SYNC_INTERVAL,
PROP_AUTOREMOVE,
PROP_BUFFER_MODE,
PROP_USE_PIPELINE_CLOCK,
@ -1103,6 +1108,16 @@ gst_rtp_bin_associate (GstRtpBin * bin, GstRtpBinStream * stream, guint8 len,
GST_DEBUG_OBJECT (bin, "client %p min delta %" G_GINT64_FORMAT, client,
min);
/* bail out if we adjusted recently enough */
if (all_sync && (last_unix - bin->priv->last_unix) <
bin->rtcp_sync_interval * GST_MSECOND) {
GST_DEBUG_OBJECT (bin, "discarding RTCP sender packet for sync; "
"previous sender info too recent "
"(previous UNIX %" G_GUINT64_FORMAT ")", bin->priv->last_unix);
return;
}
bin->priv->last_unix = last_unix;
/* calculate offsets for each stream */
for (walk = client->streams; walk; walk = g_slist_next (walk)) {
GstRtpBinStream *ostream = (GstRtpBinStream *) walk->data;
@ -1677,6 +1692,19 @@ gst_rtp_bin_class_init (GstRtpBinClass * klass)
"Synchronize received streams to the NTP clock", DEFAULT_NTP_SYNC,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
/**
* GstRtpBin::rtcp-sync-interval:
*
* Determines how often to sync streams using RTCP data.
*
* Since: 0.10.31
*/
g_object_class_install_property (gobject_class, PROP_RTCP_SYNC_INTERVAL,
g_param_spec_uint ("rtcp-sync-interval", "RTCP Sync Interval",
"RTCP SR interval synchronization (ms) (0 = always)",
0, G_MAXUINT, DEFAULT_RTCP_SYNC_INTERVAL,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
gstelement_class->change_state = GST_DEBUG_FUNCPTR (gst_rtp_bin_change_state);
gstelement_class->request_new_pad =
GST_DEBUG_FUNCPTR (gst_rtp_bin_request_new_pad);
@ -1706,6 +1734,7 @@ gst_rtp_bin_init (GstRtpBin * rtpbin, GstRtpBinClass * klass)
rtpbin->do_lost = DEFAULT_DO_LOST;
rtpbin->ignore_pt = DEFAULT_IGNORE_PT;
rtpbin->ntp_sync = DEFAULT_NTP_SYNC;
rtpbin->rtcp_sync_interval = DEFAULT_RTCP_SYNC_INTERVAL;
rtpbin->priv->autoremove = DEFAULT_AUTOREMOVE;
rtpbin->buffer_mode = DEFAULT_BUFFER_MODE;
rtpbin->use_pipeline_clock = DEFAULT_USE_PIPELINE_CLOCK;
@ -1821,6 +1850,9 @@ gst_rtp_bin_set_property (GObject * object, guint prop_id,
case PROP_NTP_SYNC:
rtpbin->ntp_sync = g_value_get_boolean (value);
break;
case PROP_RTCP_SYNC_INTERVAL:
rtpbin->rtcp_sync_interval = g_value_get_uint (value);
break;
case PROP_IGNORE_PT:
rtpbin->ignore_pt = g_value_get_boolean (value);
break;
@ -1883,6 +1915,9 @@ gst_rtp_bin_get_property (GObject * object, guint prop_id,
case PROP_NTP_SYNC:
g_value_set_boolean (value, rtpbin->ntp_sync);
break;
case PROP_RTCP_SYNC_INTERVAL:
g_value_set_uint (value, rtpbin->rtcp_sync_interval);
break;
case PROP_AUTOREMOVE:
g_value_set_boolean (value, rtpbin->priv->autoremove);
break;
@ -2108,6 +2143,7 @@ gst_rtp_bin_change_state (GstElement * element, GstStateChange transition)
case GST_STATE_CHANGE_NULL_TO_READY:
break;
case GST_STATE_CHANGE_READY_TO_PAUSED:
priv->last_unix = 0;
GST_LOG_OBJECT (rtpbin, "clearing shutdown flag");
g_atomic_int_set (&priv->shutdown, 0);
break;

1
gst/rtpmanager/gstrtpbin.h
View file

@ -50,6 +50,7 @@ struct _GstRtpBin {
gboolean do_lost;
gboolean ignore_pt;
gboolean ntp_sync;
guint rtcp_sync_interval;
RTPJitterBufferMode buffer_mode;
gboolean buffering;
gboolean use_pipeline_clock;