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rtpjitterbuffer: implement rtx statistics

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This commit is contained in:
Torrie Fischer 2013-11-12 11:19:25 -05:00 committed by Wim Taymans
parent be01e80e6b
commit 22ceb80ba9
2 changed files with 54 additions and 0 deletions
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41
gst/rtpmanager/gstrtpjitterbuffer.c
View file

@ -149,6 +149,7 @@ enum
PROP_RTX_DELAY_REORDER,
PROP_RTX_RETRY_TIMEOUT,
PROP_RTX_RETRY_PERIOD,
PROP_RTX_STATS,
PROP_LAST
};
@ -399,6 +400,9 @@ static void remove_all_timers (GstRtpJitterBuffer * jitterbuffer);
static void wait_next_timeout (GstRtpJitterBuffer * jitterbuffer);
static GstStructure *gst_rtp_jitter_buffer_create_stats (GstRtpJitterBuffer *
jitterbuffer);
static void
gst_rtp_jitter_buffer_class_init (GstRtpJitterBufferClass * klass)
{
@ -554,6 +558,23 @@ gst_rtp_jitter_buffer_class_init (GstRtpJitterBufferClass * klass)
"Try to get a retransmission for this many ms "
"(-1 automatic)", -1, G_MAXINT, DEFAULT_RTX_RETRY_PERIOD,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
/**
* GstRtpJitterBuffer::rtx-stats:
*
* Various retransmission statistics. This property returns a GstStructure
* with name application/x-rtp-jitterbuffer-stats with the following fields:
*
* "count" G_TYPE_UINT64 The number of retransmissions requested
* "success-count" G_TYPE_UINT64 The number of successful retransmissions
* "rtx-per-packet" G_TYPE_DOUBLE Average number of RTX per packet
* "rtx-rtt" G_TYPE_UINT64 Average round trip time per RTX
*
* Since: 1.2.1
*/
g_object_class_install_property (gobject_class, PROP_RTX_STATS,
g_param_spec_boxed ("rtx-stats", "RTX statistics",
"Various retransmission statistics", GST_TYPE_STRUCTURE,
G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
/**
* GstRtpJitterBuffer::request-pt-map:
@ -3207,8 +3228,28 @@ gst_rtp_jitter_buffer_get_property (GObject * object,
g_value_set_int (value, priv->rtx_retry_period);
JBUF_UNLOCK (priv);
break;
case PROP_RTX_STATS:
g_value_take_boxed (value,
gst_rtp_jitter_buffer_create_stats (jitterbuffer));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static GstStructure *
gst_rtp_jitter_buffer_create_stats (GstRtpJitterBuffer * jbuf)
{
GstStructure *s;
JBUF_LOCK (jbuf->priv);
s = gst_structure_new ("application/x-rtp-jitterbuffer-stats",
"count", G_TYPE_UINT64, jbuf->priv->num_rtx_requests,
"success-count", G_TYPE_UINT64, jbuf->priv->num_rtx_success,
"rtx-per-packet", G_TYPE_DOUBLE, jbuf->priv->avg_rtx_num,
"rtx-rtt", G_TYPE_UINT64, jbuf->priv->avg_rtx_rtt, NULL);
JBUF_UNLOCK (jbuf->priv);
return s;
}

13
tests/check/elements/rtpjitterbuffer.c
View file

@ -999,6 +999,8 @@ GST_START_TEST (test_rtx_two_missing)
GstEvent *out_event;
gint jb_latency_ms = 200;
gint i;
GstStructure *rtx_stats;
const GValue *rtx_stat;
GstRTPBuffer rtp = GST_RTP_BUFFER_INIT;
setup_testharness (&data);
@ -1111,6 +1113,17 @@ GST_START_TEST (test_rtx_two_missing)
/* should still have only seen 1 packet lost events */
g_assert_cmpint (data.lost_event_count, ==, 1);
g_object_get (data.jitter_buffer, "stats", &rtx_stats, NULL);
rtx_stat = gst_structure_get_value (rtx_stats, "count");
g_assert_cmpuint (g_value_get_uint64 (rtx_stat), ==, 5);
rtx_stat = gst_structure_get_value (rtx_stats, "success-count");
g_assert_cmpuint (g_value_get_uint64 (rtx_stat), ==, 1);
rtx_stat = gst_structure_get_value (rtx_stats, "rtx-rtt");
g_assert_cmpuint (g_value_get_uint64 (rtx_stat), ==, 0);
destroy_testharness (&data);
}