From 1deb034e3d873f577a38bc483e6256b0346ee874 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Olivier=20Cr=C3=AAte?= Date: Thu, 15 Oct 2020 21:23:08 -0400 Subject: [PATCH] webrtcstats: Get the remote-inbound stats from the right RTPSource This also means that we need to get the clock-rate from the codec instead of from the RTPSource, as the remote one doesn't include a clock rate. Part-of: --- ext/webrtc/gstwebrtcstats.c | 214 +++++++++++++++++++++++++++----------------- 1 file changed, 131 insertions(+), 83 deletions(-) diff --git a/ext/webrtc/gstwebrtcstats.c b/ext/webrtc/gstwebrtcstats.c index 0401f70..8436f32 100644 --- a/ext/webrtc/gstwebrtcstats.c +++ b/ext/webrtc/gstwebrtcstats.c @@ -99,6 +99,105 @@ _gst_structure_take_structure (GstStructure * s, const char *fieldname, #define FIXED_16_16_TO_DOUBLE(v) ((double) ((v & 0xffff0000) >> 16) + ((v & 0xffff) / 65536.0)) #define FIXED_32_32_TO_DOUBLE(v) ((double) ((v & G_GUINT64_CONSTANT (0xffffffff00000000)) >> 32) + ((v & G_GUINT64_CONSTANT (0xffffffff)) / 4294967296.0)) +/* https://www.w3.org/TR/webrtc-stats/#remoteinboundrtpstats-dict* */ +static gboolean +_get_stats_from_remote_rtp_source_stats (GstWebRTCBin * webrtc, + TransportStream * stream, const GstStructure * source_stats, + guint ssrc, guint clock_rate, const gchar * codec_id, + const gchar * transport_id, GstStructure * s) +{ + gboolean have_rb = FALSE, internal = FALSE; + int lost; + GstStructure *r_in; + gchar *r_in_id, *out_id; + guint32 rtt; + guint fraction_lost, jitter; + double ts; + + gst_structure_get_double (s, "timestamp", &ts); + gst_structure_get (source_stats, "internal", G_TYPE_BOOLEAN, &internal, + "have-rb", G_TYPE_BOOLEAN, &have_rb, NULL); + + /* This isn't what we're looking for */ + if (internal == TRUE || have_rb == FALSE) + return FALSE; + + r_in_id = g_strdup_printf ("rtp-remote-inbound-stream-stats_%u", ssrc); + out_id = g_strdup_printf ("rtp-outbound-stream-stats_%u", ssrc); + + r_in = gst_structure_new_empty (r_in_id); + _set_base_stats (r_in, GST_WEBRTC_STATS_REMOTE_INBOUND_RTP, ts, r_in_id); + + /* RTCRtpStreamStats */ + gst_structure_set (r_in, "local-id", G_TYPE_STRING, out_id, NULL); + gst_structure_set (r_in, "ssrc", G_TYPE_UINT, ssrc, NULL); + gst_structure_set (r_in, "codec-id", G_TYPE_STRING, codec_id, NULL); + gst_structure_set (r_in, "transport-id", G_TYPE_STRING, transport_id, NULL); + /* To be added: kind */ + + /* RTCReceivedRtpStreamStats */ + + if (gst_structure_get_int (source_stats, "rb-packetslost", &lost)) + gst_structure_set (r_in, "packets-lost", G_TYPE_INT, lost, NULL); + + if (clock_rate && gst_structure_get_uint (source_stats, "rb-jitter", &jitter)) + gst_structure_set (r_in, "jitter", G_TYPE_DOUBLE, + CLOCK_RATE_VALUE_TO_SECONDS (jitter, clock_rate), NULL); + + /* RTCReceivedRtpStreamStats: + + unsigned long long packetsReceived; + unsigned long packetsDiscarded; + unsigned long packetsRepaired; + unsigned long burstPacketsLost; + unsigned long burstPacketsDiscarded; + unsigned long burstLossCount; + unsigned long burstDiscardCount; + double burstLossRate; + double burstDiscardRate; + double gapLossRate; + double gapDiscardRate; + + Can't be implemented frame re-assembly happens after rtpbin: + + unsigned long framesDropped; + unsigned long partialFramesLost; + unsigned long fullFramesLost; + */ + + /* RTCRemoteInboundRTPStreamStats */ + + if (gst_structure_get_uint (source_stats, "rb-fractionlost", &fraction_lost)) + gst_structure_set (r_in, "fraction-lost", G_TYPE_DOUBLE, + (double) fraction_lost / 256.0, NULL); + + if (gst_structure_get_uint (source_stats, "rb-round-trip", &rtt)) { + /* 16.16 fixed point to double */ + double val = FIXED_16_16_TO_DOUBLE (rtt); + gst_structure_set (r_in, "round-trip-time", G_TYPE_DOUBLE, val, NULL); + } + + /* RTCRemoteInboundRTPStreamStats: + + To be added: + + DOMString localId; + double totalRoundTripTime; + unsigned long long reportsReceived; + unsigned long long roundTripTimeMeasurements; + */ + + gst_structure_set (r_in, "gst-rtpsource-stats", GST_TYPE_STRUCTURE, + source_stats, NULL); + + _gst_structure_take_structure (s, r_in_id, &r_in); + + g_free (r_in_id); + g_free (out_id); + + return TRUE; +} + /* https://www.w3.org/TR/webrtc-stats/#inboundrtpstats-dict* https://www.w3.org/TR/webrtc-stats/#outboundrtpstats-dict* */ static void @@ -107,7 +206,7 @@ _get_stats_from_rtp_source_stats (GstWebRTCBin * webrtc, const gchar * codec_id, const gchar * transport_id, GstStructure * s) { guint ssrc, fir, pli, nack, jitter; - int lost, clock_rate; + int clock_rate; guint64 packets, bytes; gboolean internal; double ts; @@ -117,71 +216,10 @@ _get_stats_from_rtp_source_stats (GstWebRTCBin * webrtc, G_TYPE_INT, &clock_rate, "internal", G_TYPE_BOOLEAN, &internal, NULL); if (internal) { - GstStructure *r_in, *out; + GstStructure *out; gchar *out_id, *r_in_id; - gboolean have_rb = FALSE; out_id = g_strdup_printf ("rtp-outbound-stream-stats_%u", ssrc); - r_in_id = g_strdup_printf ("rtp-remote-inbound-stream-stats_%u", ssrc); - - gst_structure_get (source_stats, "have-rb", G_TYPE_BOOLEAN, &have_rb, NULL); - - r_in = gst_structure_new_empty (r_in_id); - _set_base_stats (r_in, GST_WEBRTC_STATS_REMOTE_INBOUND_RTP, ts, r_in_id); - - /* RTCRtpStreamStats */ - gst_structure_set (r_in, "local-id", G_TYPE_STRING, out_id, NULL); - gst_structure_set (r_in, "ssrc", G_TYPE_UINT, ssrc, NULL); - gst_structure_set (r_in, "codec-id", G_TYPE_STRING, codec_id, NULL); - gst_structure_set (r_in, "transport-id", G_TYPE_STRING, transport_id, NULL); - /* To be added: kind */ - - /* RTCReceivedRtpStreamStats: - - To be added: - - unsigned long long packetsReceived; - long long packetsLost; - double jitter; - unsigned long packetsDiscarded; - unsigned long packetsRepaired; - unsigned long burstPacketsLost; - unsigned long burstPacketsDiscarded; - unsigned long burstLossCount; - unsigned long burstDiscardCount; - double burstLossRate; - double burstDiscardRate; - double gapLossRate; - double gapDiscardRate; - - Can't be implemented frame re-assembly happens after rtpbin: - - unsigned long framesDropped; - unsigned long partialFramesLost; - unsigned long fullFramesLost; - */ - - - /* RTCRemoteInboundRTPStreamStats */ - - if (have_rb) { - guint32 rtt; - if (gst_structure_get_uint (source_stats, "rb-round-trip", &rtt)) { - /* 16.16 fixed point to double */ - double val = FIXED_16_16_TO_DOUBLE (rtt); - gst_structure_set (r_in, "round-trip-time", G_TYPE_DOUBLE, val, NULL); - } - } - - /* RTCRemoteInboundRTPStreamStats: - - To be added: - - DOMString localId; - double totalRoundTripTime; - unsigned long long reportsReceived; - unsigned long long roundTripTimeMeasurements; - */ out = gst_structure_new_empty (out_id); _set_base_stats (out, GST_WEBRTC_STATS_OUTBOUND_RTP, ts, out_id); @@ -209,8 +247,10 @@ _get_stats_from_rtp_source_stats (GstWebRTCBin * webrtc, gst_structure_set (out, "nack-count", G_TYPE_UINT, nack, NULL); /* XXX: mediaType, trackId, sliCount, qpSum */ - gst_structure_set (out, "remote-id", G_TYPE_STRING, r_in_id, NULL); - + r_in_id = g_strdup_printf ("rtp-remote-inbound-stream-stats_%u", ssrc); + if (gst_structure_has_field (s, r_in_id)) + gst_structure_set (out, "remote-id", G_TYPE_STRING, r_in_id, NULL); + g_free (r_in_id); /* RTCOutboundRTPStreamStats: @@ -264,12 +304,9 @@ _get_stats_from_rtp_source_stats (GstWebRTCBin * webrtc, gst_structure_set (out, "gst-rtpsource-stats", GST_TYPE_STRUCTURE, source_stats, NULL); - _gst_structure_take_structure (s, out_id, &out); - _gst_structure_take_structure (s, r_in_id, &r_in); g_free (out_id); - g_free (r_in_id); } else { GstStructure *in, *r_out; gchar *r_out_id, *in_id; @@ -427,10 +464,13 @@ _get_stats_from_rtp_source_stats (GstWebRTCBin * webrtc, /* RTCSentRtpStreamStats */ if (have_sr) { - if (gst_structure_get_uint64 (source_stats, "sr-octet-count", &bytes)) - gst_structure_set (r_out, "bytes-sent", G_TYPE_UINT64, bytes, NULL); - if (gst_structure_get_uint64 (source_stats, "sr-packet-count", &packets)) - gst_structure_set (r_out, "packets-sent", G_TYPE_UINT64, packets, NULL); + guint sr_bytes, sr_packets; + + if (gst_structure_get_uint (source_stats, "sr-octet-count", &sr_bytes)) + gst_structure_set (r_out, "bytes-sent", G_TYPE_UINT, sr_bytes, NULL); + if (gst_structure_get_uint (source_stats, "sr-packet-count", &sr_packets)) + gst_structure_set (r_out, "packets-sent", G_TYPE_UINT, sr_packets, + NULL); } /* RTCSentRtpStreamStats: @@ -642,7 +682,7 @@ _get_stats_from_dtls_transport (GstWebRTCBin * webrtc, static void _get_stats_from_transport_channel (GstWebRTCBin * webrtc, TransportStream * stream, const gchar * codec_id, guint ssrc, - GstStructure * s) + guint clock_rate, GstStructure * s) { GstWebRTCDTLSTransport *transport; GObject *rtp_session; @@ -682,11 +722,14 @@ _get_stats_from_transport_channel (GstWebRTCBin * webrtc, /* skip foreign sources */ gst_structure_get (stats, "ssrc", G_TYPE_UINT, &stats_ssrc, NULL); - if (ssrc && stats_ssrc && ssrc != stats_ssrc) - continue; - - _get_stats_from_rtp_source_stats (webrtc, stream, stats, codec_id, - transport_id, s); + if (gst_structure_get_uint (stats, "ssrc", &stats_ssrc) && + ssrc == stats_ssrc) + _get_stats_from_rtp_source_stats (webrtc, stream, stats, codec_id, + transport_id, s); + else if (gst_structure_get_uint (stats, "rb-ssrc", &stats_ssrc) && + ssrc == stats_ssrc) + _get_stats_from_remote_rtp_source_stats (webrtc, stream, stats, ssrc, + clock_rate, codec_id, transport_id, s); } g_object_unref (rtp_session); @@ -698,13 +741,14 @@ _get_stats_from_transport_channel (GstWebRTCBin * webrtc, /* https://www.w3.org/TR/webrtc-stats/#codec-dict* */ static void _get_codec_stats_from_pad (GstWebRTCBin * webrtc, GstPad * pad, - GstStructure * s, gchar ** out_id, guint * out_ssrc) + GstStructure * s, gchar ** out_id, guint * out_ssrc, guint * out_clock_rate) { GstStructure *stats; GstCaps *caps; gchar *id; double ts; guint ssrc = 0; + gint clock_rate = 0; gst_structure_get_double (s, "timestamp", &ts); @@ -715,7 +759,7 @@ _get_codec_stats_from_pad (GstWebRTCBin * webrtc, GstPad * pad, caps = gst_pad_get_current_caps (pad); if (caps && gst_caps_is_fixed (caps)) { GstStructure *caps_s = gst_caps_get_structure (caps, 0); - gint pt, clock_rate; + gint pt; if (gst_structure_get_int (caps_s, "payload", &pt)) gst_structure_set (stats, "payload-type", G_TYPE_UINT, pt, NULL); @@ -742,6 +786,9 @@ _get_codec_stats_from_pad (GstWebRTCBin * webrtc, GstPad * pad, if (out_ssrc) *out_ssrc = ssrc; + + if (out_clock_rate) + *out_clock_rate = clock_rate; } static gboolean @@ -750,9 +797,9 @@ _get_stats_from_pad (GstWebRTCBin * webrtc, GstPad * pad, GstStructure * s) GstWebRTCBinPad *wpad = GST_WEBRTC_BIN_PAD (pad); TransportStream *stream; gchar *codec_id; - guint ssrc; + guint ssrc, clock_rate; - _get_codec_stats_from_pad (webrtc, pad, s, &codec_id, &ssrc); + _get_codec_stats_from_pad (webrtc, pad, s, &codec_id, &ssrc, &clock_rate); if (!wpad->trans) goto out; @@ -761,7 +808,8 @@ _get_stats_from_pad (GstWebRTCBin * webrtc, GstPad * pad, GstStructure * s) if (!stream) goto out; - _get_stats_from_transport_channel (webrtc, stream, codec_id, ssrc, s); + _get_stats_from_transport_channel (webrtc, stream, codec_id, ssrc, + clock_rate, s); out: g_free (codec_id); -- 2.7.4