* #27232: jni: added pjproject checkout as regular git content
We will remove it once the next release of pjsip (with Android support)
comes out and is merged into SFLphone.
diff --git a/jni/pjproject-android/.svn/pristine/7f/7fed08acf20717af7fb4ad1a82cd12d28d78d9c2.svn-base b/jni/pjproject-android/.svn/pristine/7f/7fed08acf20717af7fb4ad1a82cd12d28d78d9c2.svn-base
new file mode 100644
index 0000000..173be9a
--- /dev/null
+++ b/jni/pjproject-android/.svn/pristine/7f/7fed08acf20717af7fb4ad1a82cd12d28d78d9c2.svn-base
@@ -0,0 +1,858 @@
+/* $Id$ */
+/*
+ * Copyright (C) 2008-2011 Teluu Inc. (http://www.teluu.com)
+ * Copyright (C) 2003-2008 Benny Prijono <benny@prijono.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include <pjmedia/rtcp_xr.h>
+#include <pjmedia/errno.h>
+#include <pjmedia/rtcp.h>
+#include <pj/assert.h>
+#include <pj/log.h>
+#include <pj/os.h>
+#include <pj/sock.h>
+#include <pj/string.h>
+
+#if defined(PJMEDIA_HAS_RTCP_XR) && (PJMEDIA_HAS_RTCP_XR != 0)
+
+#define THIS_FILE "rtcp_xr.c"
+
+
+#if PJ_HAS_HIGH_RES_TIMER==0
+# error "High resolution timer needs to be enabled"
+#endif
+
+
+/* RTCP XR payload type */
+#define RTCP_XR 207
+
+/* RTCP XR block types */
+#define BT_LOSS_RLE 1
+#define BT_DUP_RLE 2
+#define BT_RCPT_TIMES 3
+#define BT_RR_TIME 4
+#define BT_DLRR 5
+#define BT_STATS 6
+#define BT_VOIP_METRICS 7
+
+
+#define DEFAULT_GMIN 16
+
+
+#if 0
+# define TRACE_(x) PJ_LOG(3,x)
+#else
+# define TRACE_(x) ;
+#endif
+
+void pjmedia_rtcp_xr_init( pjmedia_rtcp_xr_session *session,
+ struct pjmedia_rtcp_session *parent_session,
+ pj_uint8_t gmin,
+ unsigned frames_per_packet)
+{
+ pj_bzero(session, sizeof(pjmedia_rtcp_xr_session));
+
+ session->name = parent_session->name;
+ session->rtcp_session = parent_session;
+ pj_memcpy(&session->pkt.common, &session->rtcp_session->rtcp_sr_pkt.common,
+ sizeof(pjmedia_rtcp_common));
+ session->pkt.common.pt = RTCP_XR;
+
+ /* Init config */
+ session->stat.rx.voip_mtc.gmin = (pj_uint8_t)(gmin? gmin : DEFAULT_GMIN);
+ session->ptime = session->rtcp_session->pkt_size * 1000 /
+ session->rtcp_session->clock_rate;
+ session->frames_per_packet = frames_per_packet;
+
+ /* Init Statistics Summary fields which have non-zero default */
+ session->stat.rx.stat_sum.jitter.min = (unsigned) -1;
+ session->stat.rx.stat_sum.toh.min = (unsigned) -1;
+
+ /* Init VoIP Metrics fields which have non-zero default */
+ session->stat.rx.voip_mtc.signal_lvl = 127;
+ session->stat.rx.voip_mtc.noise_lvl = 127;
+ session->stat.rx.voip_mtc.rerl = 127;
+ session->stat.rx.voip_mtc.r_factor = 127;
+ session->stat.rx.voip_mtc.ext_r_factor = 127;
+ session->stat.rx.voip_mtc.mos_lq = 127;
+ session->stat.rx.voip_mtc.mos_cq = 127;
+
+ session->stat.tx.voip_mtc.signal_lvl = 127;
+ session->stat.tx.voip_mtc.noise_lvl = 127;
+ session->stat.tx.voip_mtc.rerl = 127;
+ session->stat.tx.voip_mtc.r_factor = 127;
+ session->stat.tx.voip_mtc.ext_r_factor = 127;
+ session->stat.tx.voip_mtc.mos_lq = 127;
+ session->stat.tx.voip_mtc.mos_cq = 127;
+}
+
+void pjmedia_rtcp_xr_fini(pjmedia_rtcp_xr_session *session)
+{
+ PJ_UNUSED_ARG(session);
+}
+
+PJ_DEF(void) pjmedia_rtcp_build_rtcp_xr( pjmedia_rtcp_xr_session *sess,
+ unsigned rpt_types,
+ void **rtcp_pkt, int *len)
+{
+ pj_uint16_t size = 0;
+
+ /* Receiver Reference Time Report Block */
+ /* Build this block if we have received packets since last build */
+ if ((rpt_types == 0 || (rpt_types & PJMEDIA_RTCP_XR_RR_TIME)) &&
+ sess->rx_last_rr != sess->rtcp_session->stat.rx.pkt)
+ {
+ pjmedia_rtcp_xr_rb_rr_time *r;
+ pjmedia_rtcp_ntp_rec ntp;
+
+ r = (pjmedia_rtcp_xr_rb_rr_time*) &sess->pkt.buf[size];
+ pj_bzero(r, sizeof(pjmedia_rtcp_xr_rb_rr_time));
+
+ /* Init block header */
+ r->header.bt = BT_RR_TIME;
+ r->header.specific = 0;
+ r->header.length = pj_htons(2);
+
+ /* Generate block contents */
+ pjmedia_rtcp_get_ntp_time(sess->rtcp_session, &ntp);
+ r->ntp_sec = pj_htonl(ntp.hi);
+ r->ntp_frac = pj_htonl(ntp.lo);
+
+ /* Finally */
+ size += sizeof(pjmedia_rtcp_xr_rb_rr_time);
+ sess->rx_last_rr = sess->rtcp_session->stat.rx.pkt;
+ }
+
+ /* DLRR Report Block */
+ /* Build this block if we have received RR NTP (rx_lrr) before */
+ if ((rpt_types == 0 || (rpt_types & PJMEDIA_RTCP_XR_DLRR)) &&
+ sess->rx_lrr)
+ {
+ pjmedia_rtcp_xr_rb_dlrr *r;
+ pjmedia_rtcp_xr_rb_dlrr_item *dlrr_item;
+ pj_timestamp ts;
+
+ r = (pjmedia_rtcp_xr_rb_dlrr*) &sess->pkt.buf[size];
+ pj_bzero(r, sizeof(pjmedia_rtcp_xr_rb_dlrr));
+
+ /* Init block header */
+ r->header.bt = BT_DLRR;
+ r->header.specific = 0;
+ r->header.length = pj_htons(sizeof(pjmedia_rtcp_xr_rb_dlrr)/4 - 1);
+
+ /* Generate block contents */
+ dlrr_item = &r->item;
+ dlrr_item->ssrc = pj_htonl(sess->rtcp_session->peer_ssrc);
+ dlrr_item->lrr = pj_htonl(sess->rx_lrr);
+
+ /* Calculate DLRR */
+ if (sess->rx_lrr != 0) {
+ pj_get_timestamp(&ts);
+ ts.u64 -= sess->rx_lrr_time.u64;
+
+ /* Convert DLRR time to 1/65536 seconds resolution */
+ ts.u64 = (ts.u64 << 16) / sess->rtcp_session->ts_freq.u64;
+ dlrr_item->dlrr = pj_htonl(ts.u32.lo);
+ } else {
+ dlrr_item->dlrr = 0;
+ }
+
+ /* Finally */
+ size += sizeof(pjmedia_rtcp_xr_rb_dlrr);
+ }
+
+ /* Statistics Summary Block */
+ /* Build this block if we have received packets since last build */
+ if ((rpt_types == 0 || (rpt_types & PJMEDIA_RTCP_XR_STATS)) &&
+ sess->stat.rx.stat_sum.count > 0)
+ {
+ pjmedia_rtcp_xr_rb_stats *r;
+ pj_uint8_t specific = 0;
+
+ r = (pjmedia_rtcp_xr_rb_stats*) &sess->pkt.buf[size];
+ pj_bzero(r, sizeof(pjmedia_rtcp_xr_rb_stats));
+
+ /* Init block header */
+ specific |= sess->stat.rx.stat_sum.l ? (1 << 7) : 0;
+ specific |= sess->stat.rx.stat_sum.d ? (1 << 6) : 0;
+ specific |= sess->stat.rx.stat_sum.j ? (1 << 5) : 0;
+ specific |= (sess->stat.rx.stat_sum.t & 3) << 3;
+ r->header.bt = BT_STATS;
+ r->header.specific = specific;
+ r->header.length = pj_htons(9);
+
+ /* Generate block contents */
+ r->ssrc = pj_htonl(sess->rtcp_session->peer_ssrc);
+ r->begin_seq = pj_htons((pj_uint16_t)
+ (sess->stat.rx.stat_sum.begin_seq & 0xFFFF));
+ r->end_seq = pj_htons((pj_uint16_t)
+ (sess->stat.rx.stat_sum.end_seq & 0xFFFF));
+ if (sess->stat.rx.stat_sum.l) {
+ r->lost = pj_htonl(sess->stat.rx.stat_sum.lost);
+ }
+ if (sess->stat.rx.stat_sum.d) {
+ r->dup = pj_htonl(sess->stat.rx.stat_sum.dup);
+ }
+ if (sess->stat.rx.stat_sum.j) {
+ r->jitter_min = pj_htonl(sess->stat.rx.stat_sum.jitter.min);
+ r->jitter_max = pj_htonl(sess->stat.rx.stat_sum.jitter.max);
+ r->jitter_mean =
+ pj_htonl((unsigned)sess->stat.rx.stat_sum.jitter.mean);
+ r->jitter_dev =
+ pj_htonl(pj_math_stat_get_stddev(&sess->stat.rx.stat_sum.jitter));
+ }
+ if (sess->stat.rx.stat_sum.t) {
+ r->toh_min = sess->stat.rx.stat_sum.toh.min;
+ r->toh_max = sess->stat.rx.stat_sum.toh.max;
+ r->toh_mean = (unsigned) sess->stat.rx.stat_sum.toh.mean;
+ r->toh_dev = pj_math_stat_get_stddev(&sess->stat.rx.stat_sum.toh);
+ }
+
+ /* Reset TX statistics summary each time built */
+ pj_bzero(&sess->stat.rx.stat_sum, sizeof(sess->stat.rx.stat_sum));
+ sess->stat.rx.stat_sum.jitter.min = (unsigned) -1;
+ sess->stat.rx.stat_sum.toh.min = (unsigned) -1;
+
+ /* Finally */
+ size += sizeof(pjmedia_rtcp_xr_rb_stats);
+ pj_gettimeofday(&sess->stat.rx.stat_sum.update);
+ }
+
+ /* Voip Metrics Block */
+ /* Build this block if we have received packets */
+ if ((rpt_types == 0 || (rpt_types & PJMEDIA_RTCP_XR_VOIP_METRICS)) &&
+ sess->rtcp_session->stat.rx.pkt)
+ {
+ pjmedia_rtcp_xr_rb_voip_mtc *r;
+ pj_uint32_t c11;
+ pj_uint32_t c13;
+ pj_uint32_t c14;
+ pj_uint32_t c22;
+ pj_uint32_t c23;
+ pj_uint32_t c31;
+ pj_uint32_t c32;
+ pj_uint32_t c33;
+ pj_uint32_t ctotal, m;
+ unsigned est_extra_delay;
+
+ r = (pjmedia_rtcp_xr_rb_voip_mtc*) &sess->pkt.buf[size];
+ pj_bzero(r, sizeof(pjmedia_rtcp_xr_rb_voip_mtc));
+
+ /* Init block header */
+ r->header.bt = BT_VOIP_METRICS;
+ r->header.specific = 0;
+ r->header.length = pj_htons(8);
+
+ /* Use temp vars for easiness. */
+ c11 = sess->voip_mtc_stat.c11;
+ c13 = sess->voip_mtc_stat.c13;
+ c14 = sess->voip_mtc_stat.c14;
+ c22 = sess->voip_mtc_stat.c22;
+ c23 = sess->voip_mtc_stat.c23;
+ c33 = sess->voip_mtc_stat.c33;
+ m = sess->ptime * sess->frames_per_packet;
+
+ /* Calculate additional transition counts. */
+ c31 = c13;
+ c32 = c23;
+ ctotal = c11 + c14 + c13 + c22 + c23 + c31 + c32 + c33;
+
+ if (ctotal) {
+ pj_uint32_t p32, p23;
+
+ //original version:
+ //p32 = c32 / (c31 + c32 + c33);
+ if (c31 + c32 + c33 == 0)
+ p32 = 0;
+ else
+ p32 = (c32 << 16) / (c31 + c32 + c33);
+
+ //original version:
+ //if ((c22 + c23) < 1) {
+ // p23 = 1;
+ //} else {
+ // p23 = 1 - c22 / (c22 + c23);
+ //}
+ if (c23 == 0) {
+ p23 = 0;
+ } else {
+ p23 = (c23 << 16) / (c22 + c23);
+ }
+
+ /* Calculate loss/discard densities, scaled of 0-256 */
+ if (c11 == 0)
+ sess->stat.rx.voip_mtc.gap_den = 0;
+ else
+ sess->stat.rx.voip_mtc.gap_den = (pj_uint8_t)
+ ((c14 << 8) / (c11 + c14));
+ if (p23 == 0)
+ sess->stat.rx.voip_mtc.burst_den = 0;
+ else
+ sess->stat.rx.voip_mtc.burst_den = (pj_uint8_t)
+ ((p23 << 8) / (p23 + p32));
+
+ /* Calculate (average) durations, in ms */
+ if (c13 == 0) {
+ c13 = 1;
+ ctotal += 1;
+ }
+ sess->stat.rx.voip_mtc.gap_dur = (pj_uint16_t)
+ ((c11+c14+c13) * m / c13);
+ sess->stat.rx.voip_mtc.burst_dur = (pj_uint16_t)
+ ((ctotal - (c11+c14+c13)) * m / c13);
+
+ /* Callculate loss/discard rates, scaled 0-256 */
+ sess->stat.rx.voip_mtc.loss_rate = (pj_uint8_t)
+ ((sess->voip_mtc_stat.loss_count << 8) / ctotal);
+ sess->stat.rx.voip_mtc.discard_rate = (pj_uint8_t)
+ ((sess->voip_mtc_stat.discard_count << 8) / ctotal);
+ } else {
+ /* No lost/discarded packet yet. */
+ sess->stat.rx.voip_mtc.gap_den = 0;
+ sess->stat.rx.voip_mtc.burst_den = 0;
+ sess->stat.rx.voip_mtc.gap_dur = 0;
+ sess->stat.rx.voip_mtc.burst_dur = 0;
+ sess->stat.rx.voip_mtc.loss_rate = 0;
+ sess->stat.rx.voip_mtc.discard_rate = 0;
+ }
+
+ /* Set round trip delay (in ms) to RTT calculated after receiving
+ * DLRR or DLSR.
+ */
+ if (sess->stat.rtt.last)
+ sess->stat.rx.voip_mtc.rnd_trip_delay = (pj_uint16_t)
+ (sess->stat.rtt.last / 1000);
+ else if (sess->rtcp_session->stat.rtt.last)
+ sess->stat.rx.voip_mtc.rnd_trip_delay = (pj_uint16_t)
+ (sess->rtcp_session->stat.rtt.last / 1000);
+
+ /* End system delay = RTT/2 + current jitter buffer size +
+ * EXTRA (estimated extra delay)
+ * EXTRA will cover additional delay introduced by other components of
+ * audio engine, e.g: sound device, codec, AEC, PLC, WSOLA.
+ * Since it is difficult to get the exact value of EXTRA, estimation
+ * is taken to be totally around 30ms + sound device latency.
+ */
+ est_extra_delay = 30;
+
+#if PJMEDIA_SOUND_IMPLEMENTATION!=PJMEDIA_SOUND_NULL_SOUND
+ est_extra_delay += PJMEDIA_SND_DEFAULT_REC_LATENCY +
+ PJMEDIA_SND_DEFAULT_PLAY_LATENCY;
+#endif
+
+ sess->stat.rx.voip_mtc.end_sys_delay = (pj_uint16_t)
+ (sess->stat.rx.voip_mtc.rnd_trip_delay / 2 +
+ sess->stat.rx.voip_mtc.jb_nom +
+ est_extra_delay);
+
+ /* Generate block contents */
+ r->ssrc = pj_htonl(sess->rtcp_session->peer_ssrc);
+ r->loss_rate = sess->stat.rx.voip_mtc.loss_rate;
+ r->discard_rate = sess->stat.rx.voip_mtc.discard_rate;
+ r->burst_den = sess->stat.rx.voip_mtc.burst_den;
+ r->gap_den = sess->stat.rx.voip_mtc.gap_den;
+ r->burst_dur = pj_htons(sess->stat.rx.voip_mtc.burst_dur);
+ r->gap_dur = pj_htons(sess->stat.rx.voip_mtc.gap_dur);
+ r->rnd_trip_delay = pj_htons(sess->stat.rx.voip_mtc.rnd_trip_delay);
+ r->end_sys_delay = pj_htons(sess->stat.rx.voip_mtc.end_sys_delay);
+ /* signal & noise level encoded in two's complement form */
+ r->signal_lvl = (pj_uint8_t)
+ ((sess->stat.rx.voip_mtc.signal_lvl >= 0)?
+ sess->stat.rx.voip_mtc.signal_lvl :
+ (sess->stat.rx.voip_mtc.signal_lvl + 256));
+ r->noise_lvl = (pj_uint8_t)
+ ((sess->stat.rx.voip_mtc.noise_lvl >= 0)?
+ sess->stat.rx.voip_mtc.noise_lvl :
+ (sess->stat.rx.voip_mtc.noise_lvl + 256));
+ r->rerl = sess->stat.rx.voip_mtc.rerl;
+ r->gmin = sess->stat.rx.voip_mtc.gmin;
+ r->r_factor = sess->stat.rx.voip_mtc.r_factor;
+ r->ext_r_factor = sess->stat.rx.voip_mtc.ext_r_factor;
+ r->mos_lq = sess->stat.rx.voip_mtc.mos_lq;
+ r->mos_cq = sess->stat.rx.voip_mtc.mos_cq;
+ r->rx_config = sess->stat.rx.voip_mtc.rx_config;
+ r->jb_nom = pj_htons(sess->stat.rx.voip_mtc.jb_nom);
+ r->jb_max = pj_htons(sess->stat.rx.voip_mtc.jb_max);
+ r->jb_abs_max = pj_htons(sess->stat.rx.voip_mtc.jb_abs_max);
+
+ /* Finally */
+ size += sizeof(pjmedia_rtcp_xr_rb_voip_mtc);
+ pj_gettimeofday(&sess->stat.rx.voip_mtc.update);
+ }
+
+ /* Add RTCP XR header size */
+ size += sizeof(sess->pkt.common);
+
+ /* Set RTCP XR header 'length' to packet size in 32-bit unit minus one */
+ sess->pkt.common.length = pj_htons((pj_uint16_t)(size/4 - 1));
+
+ /* Set the return values */
+ *rtcp_pkt = (void*) &sess->pkt;
+ *len = size;
+}
+
+
+void pjmedia_rtcp_xr_rx_rtcp_xr( pjmedia_rtcp_xr_session *sess,
+ const void *pkt,
+ pj_size_t size)
+{
+ const pjmedia_rtcp_xr_pkt *rtcp_xr = (pjmedia_rtcp_xr_pkt*) pkt;
+ const pjmedia_rtcp_xr_rb_rr_time *rb_rr_time = NULL;
+ const pjmedia_rtcp_xr_rb_dlrr *rb_dlrr = NULL;
+ const pjmedia_rtcp_xr_rb_stats *rb_stats = NULL;
+ const pjmedia_rtcp_xr_rb_voip_mtc *rb_voip_mtc = NULL;
+ const pjmedia_rtcp_xr_rb_header *rb_hdr = (pjmedia_rtcp_xr_rb_header*)
+ rtcp_xr->buf;
+ unsigned pkt_len, rb_len;
+
+ if (rtcp_xr->common.pt != RTCP_XR)
+ return;
+
+ pkt_len = pj_ntohs((pj_uint16_t)rtcp_xr->common.length);
+
+ if ((pkt_len + 1) > (size / 4))
+ return;
+
+ /* Parse report rpt_types */
+ while ((pj_int32_t*)rb_hdr < (pj_int32_t*)pkt + pkt_len)
+ {
+ rb_len = pj_ntohs((pj_uint16_t)rb_hdr->length);
+
+ /* Just skip any block with length == 0 (no report content) */
+ if (rb_len) {
+ switch (rb_hdr->bt) {
+ case BT_RR_TIME:
+ rb_rr_time = (pjmedia_rtcp_xr_rb_rr_time*) rb_hdr;
+ break;
+ case BT_DLRR:
+ rb_dlrr = (pjmedia_rtcp_xr_rb_dlrr*) rb_hdr;
+ break;
+ case BT_STATS:
+ rb_stats = (pjmedia_rtcp_xr_rb_stats*) rb_hdr;
+ break;
+ case BT_VOIP_METRICS:
+ rb_voip_mtc = (pjmedia_rtcp_xr_rb_voip_mtc*) rb_hdr;
+ break;
+ default:
+ break;
+ }
+ }
+ rb_hdr = (pjmedia_rtcp_xr_rb_header*)
+ ((pj_int32_t*)rb_hdr + rb_len + 1);
+ }
+
+ /* Receiving RR Time */
+ if (rb_rr_time) {
+ /* Save LRR from NTP timestamp of the RR time block report */
+ sess->rx_lrr = ((pj_ntohl(rb_rr_time->ntp_sec) & 0x0000FFFF) << 16) |
+ ((pj_ntohl(rb_rr_time->ntp_frac) >> 16) & 0xFFFF);
+
+ /* Calculate RR arrival time for DLRR */
+ pj_get_timestamp(&sess->rx_lrr_time);
+
+ TRACE_((sess->name, "Rx RTCP SR: ntp_ts=%p", sess->rx_lrr,
+ (pj_uint32_t)(sess->rx_lrr_time.u64*65536/
+ sess->rtcp_session->ts_freq.u64)));
+ }
+
+ /* Receiving DLRR */
+ if (rb_dlrr) {
+ pj_uint32_t lrr, now, dlrr;
+ pj_uint64_t eedelay;
+ pjmedia_rtcp_ntp_rec ntp;
+
+ /* LRR is the middle 32bit of NTP. It has 1/65536 second
+ * resolution
+ */
+ lrr = pj_ntohl(rb_dlrr->item.lrr);
+
+ /* DLRR is delay since LRR, also in 1/65536 resolution */
+ dlrr = pj_ntohl(rb_dlrr->item.dlrr);
+
+ /* Get current time, and convert to 1/65536 resolution */
+ pjmedia_rtcp_get_ntp_time(sess->rtcp_session, &ntp);
+ now = ((ntp.hi & 0xFFFF) << 16) + (ntp.lo >> 16);
+
+ /* End-to-end delay is (now-lrr-dlrr) */
+ eedelay = now - lrr - dlrr;
+
+ /* Convert end to end delay to usec (keeping the calculation in
+ * 64bit space)::
+ * sess->ee_delay = (eedelay * 1000) / 65536;
+ */
+ if (eedelay < 4294) {
+ eedelay = (eedelay * 1000000) >> 16;
+ } else {
+ eedelay = (eedelay * 1000) >> 16;
+ eedelay *= 1000;
+ }
+
+ TRACE_((sess->name, "Rx RTCP XR DLRR: lrr=%p, dlrr=%p (%d:%03dms), "
+ "now=%p, rtt=%p",
+ lrr, dlrr, dlrr/65536, (dlrr%65536)*1000/65536,
+ now, (pj_uint32_t)eedelay));
+
+ /* Only save calculation if "now" is greater than lrr, or
+ * otherwise rtt will be invalid
+ */
+ if (now-dlrr >= lrr) {
+ unsigned rtt = (pj_uint32_t)eedelay;
+
+ /* Check that eedelay value really makes sense.
+ * We allow up to 30 seconds RTT!
+ */
+ if (eedelay <= 30 * 1000 * 1000UL) {
+ /* "Normalize" rtt value that is exceptionally high.
+ * For such values, "normalize" the rtt to be three times
+ * the average value.
+ */
+ if (rtt>((unsigned)sess->stat.rtt.mean*3) && sess->stat.rtt.n!=0)
+ {
+ unsigned orig_rtt = rtt;
+ rtt = (unsigned)sess->stat.rtt.mean*3;
+ PJ_LOG(5,(sess->name,
+ "RTT value %d usec is normalized to %d usec",
+ orig_rtt, rtt));
+ }
+
+ TRACE_((sess->name, "RTCP RTT is set to %d usec", rtt));
+ pj_math_stat_update(&sess->stat.rtt, rtt);
+ }
+ } else {
+ PJ_LOG(5, (sess->name, "Internal RTCP NTP clock skew detected: "
+ "lrr=%p, now=%p, dlrr=%p (%d:%03dms), "
+ "diff=%d",
+ lrr, now, dlrr, dlrr/65536,
+ (dlrr%65536)*1000/65536,
+ dlrr-(now-lrr)));
+ }
+ }
+
+ /* Receiving Statistics Summary */
+ if (rb_stats) {
+ pj_uint8_t flags = rb_stats->header.specific;
+
+ pj_bzero(&sess->stat.tx.stat_sum, sizeof(sess->stat.tx.stat_sum));
+
+ /* Range of packets sequence reported in this blocks */
+ sess->stat.tx.stat_sum.begin_seq = pj_ntohs(rb_stats->begin_seq);
+ sess->stat.tx.stat_sum.end_seq = pj_ntohs(rb_stats->end_seq);
+
+ /* Get flags of valid fields */
+ sess->stat.tx.stat_sum.l = (flags & (1 << 7)) != 0;
+ sess->stat.tx.stat_sum.d = (flags & (1 << 6)) != 0;
+ sess->stat.tx.stat_sum.j = (flags & (1 << 5)) != 0;
+ sess->stat.tx.stat_sum.t = (flags & (3 << 3)) != 0;
+
+ /* Fetch the reports info */
+ if (sess->stat.tx.stat_sum.l) {
+ sess->stat.tx.stat_sum.lost = pj_ntohl(rb_stats->lost);
+ }
+
+ if (sess->stat.tx.stat_sum.d) {
+ sess->stat.tx.stat_sum.dup = pj_ntohl(rb_stats->dup);
+ }
+
+ if (sess->stat.tx.stat_sum.j) {
+ sess->stat.tx.stat_sum.jitter.min = pj_ntohl(rb_stats->jitter_min);
+ sess->stat.tx.stat_sum.jitter.max = pj_ntohl(rb_stats->jitter_max);
+ sess->stat.tx.stat_sum.jitter.mean= pj_ntohl(rb_stats->jitter_mean);
+ pj_math_stat_set_stddev(&sess->stat.tx.stat_sum.jitter,
+ pj_ntohl(rb_stats->jitter_dev));
+ }
+
+ if (sess->stat.tx.stat_sum.t) {
+ sess->stat.tx.stat_sum.toh.min = rb_stats->toh_min;
+ sess->stat.tx.stat_sum.toh.max = rb_stats->toh_max;
+ sess->stat.tx.stat_sum.toh.mean= rb_stats->toh_mean;
+ pj_math_stat_set_stddev(&sess->stat.tx.stat_sum.toh,
+ pj_ntohl(rb_stats->toh_dev));
+ }
+
+ pj_gettimeofday(&sess->stat.tx.stat_sum.update);
+ }
+
+ /* Receiving VoIP Metrics */
+ if (rb_voip_mtc) {
+ sess->stat.tx.voip_mtc.loss_rate = rb_voip_mtc->loss_rate;
+ sess->stat.tx.voip_mtc.discard_rate = rb_voip_mtc->discard_rate;
+ sess->stat.tx.voip_mtc.burst_den = rb_voip_mtc->burst_den;
+ sess->stat.tx.voip_mtc.gap_den = rb_voip_mtc->gap_den;
+ sess->stat.tx.voip_mtc.burst_dur = pj_ntohs(rb_voip_mtc->burst_dur);
+ sess->stat.tx.voip_mtc.gap_dur = pj_ntohs(rb_voip_mtc->gap_dur);
+ sess->stat.tx.voip_mtc.rnd_trip_delay =
+ pj_ntohs(rb_voip_mtc->rnd_trip_delay);
+ sess->stat.tx.voip_mtc.end_sys_delay =
+ pj_ntohs(rb_voip_mtc->end_sys_delay);
+ /* signal & noise level encoded in two's complement form */
+ sess->stat.tx.voip_mtc.signal_lvl = (pj_int8_t)
+ ((rb_voip_mtc->signal_lvl > 127)?
+ ((int)rb_voip_mtc->signal_lvl - 256) :
+ rb_voip_mtc->signal_lvl);
+ sess->stat.tx.voip_mtc.noise_lvl = (pj_int8_t)
+ ((rb_voip_mtc->noise_lvl > 127)?
+ ((int)rb_voip_mtc->noise_lvl - 256) :
+ rb_voip_mtc->noise_lvl);
+ sess->stat.tx.voip_mtc.rerl = rb_voip_mtc->rerl;
+ sess->stat.tx.voip_mtc.gmin = rb_voip_mtc->gmin;
+ sess->stat.tx.voip_mtc.r_factor = rb_voip_mtc->r_factor;
+ sess->stat.tx.voip_mtc.ext_r_factor = rb_voip_mtc->ext_r_factor;
+ sess->stat.tx.voip_mtc.mos_lq = rb_voip_mtc->mos_lq;
+ sess->stat.tx.voip_mtc.mos_cq = rb_voip_mtc->mos_cq;
+ sess->stat.tx.voip_mtc.rx_config = rb_voip_mtc->rx_config;
+ sess->stat.tx.voip_mtc.jb_nom = pj_ntohs(rb_voip_mtc->jb_nom);
+ sess->stat.tx.voip_mtc.jb_max = pj_ntohs(rb_voip_mtc->jb_max);
+ sess->stat.tx.voip_mtc.jb_abs_max = pj_ntohs(rb_voip_mtc->jb_abs_max);
+
+ pj_gettimeofday(&sess->stat.tx.voip_mtc.update);
+ }
+}
+
+/* Place seq into a 32-bit sequence number space based upon a
+ * heuristic for its most likely location.
+ */
+static pj_uint32_t extend_seq(pjmedia_rtcp_xr_session *sess,
+ const pj_uint16_t seq)
+{
+
+ pj_uint32_t extended_seq, seq_a, seq_b, diff_a, diff_b;
+ if(sess->uninitialized_src_ref_seq) {
+ /* This is the first sequence number received. Place
+ * it in the middle of the extended sequence number
+ * space.
+ */
+ sess->src_ref_seq = seq | 0x80000000u;
+ sess->uninitialized_src_ref_seq = PJ_FALSE;
+ extended_seq = sess->src_ref_seq;
+ } else {
+ /* Prior sequence numbers have been received.
+ * Propose two candidates for the extended sequence
+ * number: seq_a is without wraparound, seq_b with
+ * wraparound.
+ */
+ seq_a = seq | (sess->src_ref_seq & 0xFFFF0000u);
+ if(sess->src_ref_seq < seq_a) {
+ seq_b = seq_a - 0x00010000u;
+ diff_a = seq_a - sess->src_ref_seq;
+ diff_b = sess->src_ref_seq - seq_b;
+ } else {
+ seq_b = seq_a + 0x00010000u;
+ diff_a = sess->src_ref_seq - seq_a;
+ diff_b = seq_b - sess->src_ref_seq;
+ }
+
+ /* Choose the closer candidate. If they are equally
+ * close, the choice is somewhat arbitrary: we choose
+ * the candidate for which no rollover is necessary.
+ */
+ if(diff_a < diff_b) {
+ extended_seq = seq_a;
+ } else {
+ extended_seq = seq_b;
+ }
+
+ /* Set the reference sequence number to be this most
+ * recently-received sequence number.
+ */
+ sess->src_ref_seq = extended_seq;
+ }
+
+ /* Return our best guess for a 32-bit sequence number that
+ * corresponds to the 16-bit number we were given.
+ */
+ return extended_seq;
+}
+
+void pjmedia_rtcp_xr_rx_rtp( pjmedia_rtcp_xr_session *sess,
+ unsigned seq,
+ int lost,
+ int dup,
+ int discarded,
+ int jitter,
+ int toh, pj_bool_t toh_ipv4)
+{
+ pj_uint32_t ext_seq;
+
+ /* Get 32 bit version of sequence */
+ ext_seq = extend_seq(sess, (pj_uint16_t)seq);
+
+ /* Update statistics summary */
+ sess->stat.rx.stat_sum.count++;
+
+ if (sess->stat.rx.stat_sum.begin_seq == 0 ||
+ sess->stat.rx.stat_sum.begin_seq > ext_seq)
+ {
+ sess->stat.rx.stat_sum.begin_seq = ext_seq;
+ }
+
+ if (sess->stat.rx.stat_sum.end_seq == 0 ||
+ sess->stat.rx.stat_sum.end_seq < ext_seq)
+ {
+ sess->stat.rx.stat_sum.end_seq = ext_seq;
+ }
+
+ if (lost >= 0) {
+ sess->stat.rx.stat_sum.l = PJ_TRUE;
+ if (lost > 0)
+ sess->stat.rx.stat_sum.lost++;
+ }
+
+ if (dup >= 0) {
+ sess->stat.rx.stat_sum.d = PJ_TRUE;
+ if (dup > 0)
+ sess->stat.rx.stat_sum.dup++;
+ }
+
+ if (jitter >= 0) {
+ sess->stat.rx.stat_sum.j = PJ_TRUE;
+ pj_math_stat_update(&sess->stat.rx.stat_sum.jitter, jitter);
+ }
+
+ if (toh >= 0) {
+ sess->stat.rx.stat_sum.t = toh_ipv4? 1 : 2;
+ pj_math_stat_update(&sess->stat.rx.stat_sum.toh, toh);
+ }
+
+ /* Update burst metrics.
+ * There are two terms introduced in the RFC 3611: gap & burst.
+ * Gap represents good stream condition, lost+discard rate <= 1/Gmin.
+ * Burst represents the opposite, lost+discard rate > 1/Gmin.
+ */
+ if (lost >= 0 && discarded >= 0) {
+ if(lost > 0) {
+ sess->voip_mtc_stat.loss_count++;
+ }
+ if(discarded > 0) {
+ sess->voip_mtc_stat.discard_count++;
+ }
+ if(!lost && !discarded) {
+ /* Number of good packets since last lost/discarded */
+ sess->voip_mtc_stat.pkt++;
+ }
+ else {
+ if(sess->voip_mtc_stat.pkt >= sess->stat.rx.voip_mtc.gmin) {
+ /* Gap condition */
+ if(sess->voip_mtc_stat.lost == 1) {
+ /* Gap -> Gap */
+ sess->voip_mtc_stat.c14++;
+ }
+ else {
+ /* Burst -> Gap */
+ sess->voip_mtc_stat.c13++;
+ }
+ sess->voip_mtc_stat.lost = 1;
+ sess->voip_mtc_stat.c11 += sess->voip_mtc_stat.pkt;
+ }
+ else {
+ /* Burst condition */
+ sess->voip_mtc_stat.lost++;
+ if(sess->voip_mtc_stat.pkt == 0) {
+ /* Consecutive losts */
+ sess->voip_mtc_stat.c33++;
+ }
+ else {
+ /* Any good packets, but still bursting */
+ sess->voip_mtc_stat.c23++;
+ sess->voip_mtc_stat.c22 += (sess->voip_mtc_stat.pkt - 1);
+ }
+ }
+
+ sess->voip_mtc_stat.pkt = 0;
+ }
+ }
+}
+
+void pjmedia_rtcp_xr_tx_rtp( pjmedia_rtcp_xr_session *session,
+ unsigned ptsize )
+{
+ PJ_UNUSED_ARG(session);
+ PJ_UNUSED_ARG(ptsize);
+}
+
+PJ_DEF(pj_status_t) pjmedia_rtcp_xr_update_info(
+ pjmedia_rtcp_xr_session *sess,
+ unsigned info,
+ pj_int32_t val)
+{
+ int v = val;
+
+ switch(info) {
+ case PJMEDIA_RTCP_XR_INFO_SIGNAL_LVL:
+ sess->stat.rx.voip_mtc.signal_lvl = (pj_int8_t) v;
+ break;
+
+ case PJMEDIA_RTCP_XR_INFO_NOISE_LVL:
+ sess->stat.rx.voip_mtc.noise_lvl = (pj_int8_t) v;
+ break;
+
+ case PJMEDIA_RTCP_XR_INFO_RERL:
+ sess->stat.rx.voip_mtc.rerl = (pj_uint8_t) v;
+ break;
+
+ case PJMEDIA_RTCP_XR_INFO_R_FACTOR:
+ sess->stat.rx.voip_mtc.ext_r_factor = (pj_uint8_t) v;
+ break;
+
+ case PJMEDIA_RTCP_XR_INFO_MOS_LQ:
+ sess->stat.rx.voip_mtc.mos_lq = (pj_uint8_t) v;
+ break;
+
+ case PJMEDIA_RTCP_XR_INFO_MOS_CQ:
+ sess->stat.rx.voip_mtc.mos_cq = (pj_uint8_t) v;
+ break;
+
+ case PJMEDIA_RTCP_XR_INFO_CONF_PLC:
+ if (v >= 0 && v <= 3) {
+ sess->stat.rx.voip_mtc.rx_config &= 0x3F;
+ sess->stat.rx.voip_mtc.rx_config |= (pj_uint8_t) (v << 6);
+ }
+ break;
+
+ case PJMEDIA_RTCP_XR_INFO_CONF_JBA:
+ if (v >= 0 && v <= 3) {
+ sess->stat.rx.voip_mtc.rx_config &= 0xCF;
+ sess->stat.rx.voip_mtc.rx_config |= (pj_uint8_t) (v << 4);
+ }
+ break;
+
+ case PJMEDIA_RTCP_XR_INFO_CONF_JBR:
+ if (v >= 0 && v <= 15) {
+ sess->stat.rx.voip_mtc.rx_config &= 0xF0;
+ sess->stat.rx.voip_mtc.rx_config |= (pj_uint8_t) v;
+ }
+ break;
+
+ case PJMEDIA_RTCP_XR_INFO_JB_NOM:
+ sess->stat.rx.voip_mtc.jb_nom = (pj_uint16_t) v;
+ break;
+
+ case PJMEDIA_RTCP_XR_INFO_JB_MAX:
+ sess->stat.rx.voip_mtc.jb_max = (pj_uint16_t) v;
+ break;
+
+ case PJMEDIA_RTCP_XR_INFO_JB_ABS_MAX:
+ sess->stat.rx.voip_mtc.jb_abs_max = (pj_uint16_t) v;
+ break;
+
+ default:
+ return PJ_EINVAL;
+ }
+
+ return PJ_SUCCESS;
+}
+
+#endif