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ristsink: Implement per session stats

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As we can now have multiple sessions, stats need to be implemented per
session. This follow RTPSession model with sources. The stats are now:

  sent-original-packets: 0
  sent-retransmitted-packets: 0
       session-stats:
            session-id=0
              sent-original-packets=0
              sent-retransmitted-packets=0
              round-trip-time=0
            session-id=1
              sent-original-packets=0
              sent-retransmitted-packets=0
              round-trip-time=0
            . . .

session-stats is a GValueArray as there is no better alternatives.
This commit is contained in:
Nicolas Dufresne 2019-05-03 17:44:14 -04:00 committed by Nicolas Dufresne
parent 4bba95ead2
commit 73edff67c7
1 changed files with 62 additions and 33 deletions
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95
gst/rist/gstristsink.c
View file

@ -51,6 +51,9 @@
* ]|
*/
/* using GValueArray, which has not replacement */
#define GLIB_DISABLE_DEPRECATION_WARNINGS
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
@ -601,46 +604,72 @@ gst_rist_sink_start (GstRistSink * sink)
static GstStructure *
gst_rist_sink_create_stats (GstRistSink * sink)
{
GObject *session = NULL, *source = NULL;
GstStructure *sstats = NULL, *ret;
guint64 pkt_sent = 0, rtx_sent = 0, rtt;
guint rb_rtt = 0;
RistSenderBond *bond;
GstStructure *ret;
GValueArray *session_stats;
guint64 total_pkt_sent = 0, total_rtx_sent = 0;
gint i;
bond = g_ptr_array_index (sink->bonds, 0);
ret = gst_structure_new_empty ("rist/x-sender-stats");
session_stats = g_value_array_new (sink->bonds->len);
g_signal_emit_by_name (sink->rtpbin, "get-internal-session", 0, &session);
if (!session)
return ret;
for (i = 0; i < sink->bonds->len; i++) {
GObject *session = NULL, *source = NULL;
GstStructure *sstats = NULL, *stats;
guint64 pkt_sent = 0, rtx_sent = 0, rtt;
guint rb_rtt = 0;
GValue value = G_VALUE_INIT;
g_signal_emit_by_name (session, "get-source-by-ssrc", sink->rtp_ssrc,
&source);
if (source) {
g_object_get (source, "stats", &sstats, NULL);
gst_structure_get_uint64 (sstats, "packets-sent", &pkt_sent);
gst_structure_free (sstats);
g_clear_object (&source);
g_signal_emit_by_name (sink->rtpbin, "get-internal-session", i, &session);
if (!session)
continue;
stats = gst_structure_new_empty ("rist/x-sender-session-stats");
bond = g_ptr_array_index (sink->bonds, i);
g_signal_emit_by_name (session, "get-source-by-ssrc", sink->rtp_ssrc,
&source);
if (source) {
g_object_get (source, "stats", &sstats, NULL);
gst_structure_get_uint64 (sstats, "packets-sent", &pkt_sent);
gst_structure_free (sstats);
g_clear_object (&source);
}
g_signal_emit_by_name (session, "get-source-by-ssrc", bond->rtcp_ssrc,
&source);
if (source) {
g_object_get (source, "stats", &sstats, NULL);
gst_structure_get_uint (sstats, "rb-round-trip", &rb_rtt);
gst_structure_free (sstats);
g_clear_object (&source);
}
g_object_unref (session);
g_object_get (bond->rtx_send, "num-rtx-packets", &rtx_sent, NULL);
/* rb_rtt is in Q16 in NTP time */
rtt = gst_util_uint64_scale (rb_rtt, GST_SECOND, 65536);
gst_structure_set (stats, "session-id", G_TYPE_INT, i,
"sent-original-packets", G_TYPE_UINT64, pkt_sent,
"sent-retransmitted-packets", G_TYPE_UINT64, rtx_sent,
"round-trip-time", G_TYPE_UINT64, rtt, NULL);
g_value_init (&value, GST_TYPE_STRUCTURE);
g_value_take_boxed (&value, stats);
g_value_array_append (session_stats, &value);
g_value_unset (&value);
total_pkt_sent += pkt_sent;
total_rtx_sent += rtx_sent;
}
g_signal_emit_by_name (session, "get-source-by-ssrc", bond->rtcp_ssrc,
&source);
if (source) {
g_object_get (source, "stats", &sstats, NULL);
gst_structure_get_uint (sstats, "rb-round-trip", &rb_rtt);
gst_structure_free (sstats);
g_clear_object (&source);
}
g_object_unref (session);
g_object_get (bond->rtx_send, "num-rtx-packets", &rtx_sent, NULL);
/* rb_rtt is in Q16 in NTP time */
rtt = gst_util_uint64_scale (rb_rtt, GST_SECOND, 65536);
gst_structure_set (ret, "sent-original-packets", G_TYPE_UINT64, pkt_sent,
"sent-retransmitted-packets", G_TYPE_UINT64, rtx_sent,
"round-trip-time", G_TYPE_UINT64, rtt, NULL);
gst_structure_set (ret,
"sent-original-packets", G_TYPE_UINT64, total_pkt_sent,
"sent-retransmitted-packets", G_TYPE_UINT64, total_rtx_sent,
"session-stats", G_TYPE_VALUE_ARRAY, session_stats, NULL);
g_value_array_free (session_stats);
return ret;
}