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webrtc/stats: provide the twcc stats when available

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Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/2207>
This commit is contained in:
Matthew Waters 2021-04-29 21:11:25 +10:00
parent 166082f3c3
commit 1ab58736df
1 changed files with 25 additions and 5 deletions
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30
ext/webrtc/gstwebrtcstats.c
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@ -557,7 +557,8 @@ _get_stats_from_rtp_source_stats (GstWebRTCBin * webrtc,
/* https://www.w3.org/TR/webrtc-stats/#candidatepair-dict* */
static gchar *
_get_stats_from_ice_transport (GstWebRTCBin * webrtc,
GstWebRTCICETransport * transport, GstStructure * s)
GstWebRTCICETransport * transport, const GstStructure * twcc_stats,
GstStructure * s)
{
GstStructure *stats;
gchar *id;
@ -615,6 +616,14 @@ _get_stats_from_ice_transport (GstWebRTCBin * webrtc,
};
*/
/* XXX: these stats are at the rtp session level but there isn't a specific
* stats structure for that. The RTCIceCandidatePairStats is the closest with
* the 'availableIncomingBitrate' and 'availableOutgoingBitrate' fields
*/
if (twcc_stats)
gst_structure_set (stats, "gst-twcc-stats", GST_TYPE_STRUCTURE, twcc_stats,
NULL);
gst_structure_set (s, id, GST_TYPE_STRUCTURE, stats, NULL);
gst_structure_free (stats);
@ -624,7 +633,8 @@ _get_stats_from_ice_transport (GstWebRTCBin * webrtc,
/* https://www.w3.org/TR/webrtc-stats/#dom-rtctransportstats */
static gchar *
_get_stats_from_dtls_transport (GstWebRTCBin * webrtc,
GstWebRTCDTLSTransport * transport, GstStructure * s)
GstWebRTCDTLSTransport * transport, const GstStructure * twcc_stats,
GstStructure * s)
{
GstStructure *stats;
gchar *id;
@ -672,7 +682,9 @@ _get_stats_from_dtls_transport (GstWebRTCBin * webrtc,
gst_structure_set (s, id, GST_TYPE_STRUCTURE, stats, NULL);
gst_structure_free (stats);
ice_id = _get_stats_from_ice_transport (webrtc, transport->transport, s);
ice_id =
_get_stats_from_ice_transport (webrtc, transport->transport, twcc_stats,
s);
g_free (ice_id);
return id;
@ -685,7 +697,8 @@ _get_stats_from_transport_channel (GstWebRTCBin * webrtc,
{
GstWebRTCDTLSTransport *transport;
GObject *rtp_session;
GstStructure *rtp_stats;
GObject *gst_rtp_session;
GstStructure *rtp_stats, *twcc_stats;
GValueArray *source_stats;
gchar *transport_id;
double ts;
@ -700,6 +713,9 @@ _get_stats_from_transport_channel (GstWebRTCBin * webrtc,
g_signal_emit_by_name (webrtc->rtpbin, "get-internal-session",
stream->session_id, &rtp_session);
g_object_get (rtp_session, "stats", &rtp_stats, NULL);
g_signal_emit_by_name (webrtc->rtpbin, "get-session",
stream->session_id, &gst_rtp_session);
g_object_get (gst_rtp_session, "twcc-stats", &twcc_stats, NULL);
gst_structure_get (rtp_stats, "source-stats", G_TYPE_VALUE_ARRAY,
&source_stats, NULL);
@ -709,7 +725,8 @@ _get_stats_from_transport_channel (GstWebRTCBin * webrtc,
"transport %" GST_PTR_FORMAT, stream, rtp_session, source_stats->n_values,
transport);
transport_id = _get_stats_from_dtls_transport (webrtc, transport, s);
transport_id =
_get_stats_from_dtls_transport (webrtc, transport, twcc_stats, s);
/* construct stats objects */
for (i = 0; i < source_stats->n_values; i++) {
@ -732,7 +749,10 @@ _get_stats_from_transport_channel (GstWebRTCBin * webrtc,
}
g_object_unref (rtp_session);
g_object_unref (gst_rtp_session);
gst_structure_free (rtp_stats);
if (twcc_stats)
gst_structure_free (twcc_stats);
g_value_array_free (source_stats);
g_free (transport_id);
}