Initial commit re #1263 (PJSUA-LIB Video API):
 - API designed and reviewed (pjsua.h)
 - Implemented these APIs and added to pjsua sample application:
   - video device enums API
   - video capture preview API
 - refactoring in PJSUA-LIB:
   - video stuffs go to pjsua_vid.c
   - call dump goes to pjsua_dump.c

We're still missing:
 - video call API implementation
 - media info and statistic API implementation



git-svn-id: https://svn.pjsip.org/repos/pjproject/branches/projects/2.0-dev@3609 74dad513-b988-da41-8d7b-12977e46ad98
diff --git a/pjsip/src/pjsua-lib/pjsua_call.c b/pjsip/src/pjsua-lib/pjsua_call.c
index a7705ff..441bc77 100644
--- a/pjsip/src/pjsua-lib/pjsua_call.c
+++ b/pjsip/src/pjsua-lib/pjsua_call.c
@@ -1116,29 +1116,6 @@
 }
 
 
-#if DISABLED_FOR_TICKET_1185
-/*
- * Retrieve the media session associated with this call.
- */
-PJ_DEF(pjmedia_session*) pjsua_call_get_media_session(pjsua_call_id call_id)
-{
-    PJ_ASSERT_RETURN(call_id>=0 && call_id<(int)pjsua_var.ua_cfg.max_calls, 
-		     NULL);
-    return pjsua_var.calls[call_id].session;
-}
-
-
-/*
- * Retrieve the media transport instance that is used for this call.
- */
-PJ_DEF(pjmedia_transport*) pjsua_call_get_media_transport(pjsua_call_id cid)
-{
-    PJ_ASSERT_RETURN(cid>=0 && cid<(int)pjsua_var.ua_cfg.max_calls, 
-		     NULL);
-    return pjsua_var.calls[cid].tp;
-}
-#endif /* Removed in 2.0 */
-
 /* Acquire lock to the specified call_id */
 pj_status_t acquire_call(const char *title,
 				pjsua_call_id call_id,
@@ -1336,13 +1313,13 @@
 	info->media[info->media_cnt].type = call_med->type;
 
 	if (call_med->type == PJMEDIA_TYPE_AUDIO) {
-	    info->media[info->media_cnt].stream.audio.conf_slot = 
+	    info->media[info->media_cnt].stream.aud.conf_slot =
 						call_med->strm.a.conf_slot;
 	} else if (call_med->type == PJMEDIA_TYPE_VIDEO) {
-	    info->media[info->media_cnt].stream.video.capturer =
-						call_med->strm.v.capturer;
-	    info->media[info->media_cnt].stream.video.renderer =
-						call_med->strm.v.renderer;
+	    PJ_TODO(vid_fill_in_call_info);
+	    info->media[info->media_cnt].stream.vid.win_in = PJSUA_INVALID_ID;
+	    info->media[info->media_cnt].stream.vid.cap_dev =
+		    PJMEDIA_VID_INVALID_DEV;
 	} else {
 	    continue;
 	}
@@ -2183,929 +2160,6 @@
 }
 
 
-const char *good_number(char *buf, pj_int32_t val)
-{
-    if (val < 1000) {
-	pj_ansi_sprintf(buf, "%d", val);
-    } else if (val < 1000000) {
-	pj_ansi_sprintf(buf, "%d.%dK", 
-			val / 1000,
-			(val % 1000) / 100);
-    } else {
-	pj_ansi_sprintf(buf, "%d.%02dM", 
-			val / 1000000,
-			(val % 1000000) / 10000);
-    }
-
-    return buf;
-}
-
-static unsigned dump_media_stat(const char *indent, 
-				char *buf, unsigned maxlen,
-				const pjmedia_rtcp_stat *stat,
-				const char *rx_info, const char *tx_info)
-{
-    char last_update[64];
-    char packets[32], bytes[32], ipbytes[32], avg_bps[32], avg_ipbps[32];
-    pj_time_val media_duration, now;
-    char *p = buf, *end = buf+maxlen;
-    int len;
-
-    if (stat->rx.update_cnt == 0)
-	strcpy(last_update, "never");
-    else {
-	pj_gettimeofday(&now);
-	PJ_TIME_VAL_SUB(now, stat->rx.update);
-	sprintf(last_update, "%02ldh:%02ldm:%02ld.%03lds ago",
-		now.sec / 3600,
-		(now.sec % 3600) / 60,
-		now.sec % 60,
-		now.msec);
-    }
-
-    pj_gettimeofday(&media_duration);
-    PJ_TIME_VAL_SUB(media_duration, stat->start);
-    if (PJ_TIME_VAL_MSEC(media_duration) == 0)
-	media_duration.msec = 1;
-
-    len = pj_ansi_snprintf(p, end-p,
-	   "%s     RX %s last update:%s\n"
-	   "%s        total %spkt %sB (%sB +IP hdr) @avg=%sbps/%sbps\n"
-	   "%s        pkt loss=%d (%3.1f%%), discrd=%d (%3.1f%%), dup=%d (%2.1f%%), reord=%d (%3.1f%%)\n"
-	   "%s              (msec)    min     avg     max     last    dev\n"
-	   "%s        loss period: %7.3f %7.3f %7.3f %7.3f %7.3f\n"
-	   "%s        jitter     : %7.3f %7.3f %7.3f %7.3f %7.3f\n"
-#if defined(PJMEDIA_RTCP_STAT_HAS_RAW_JITTER) && PJMEDIA_RTCP_STAT_HAS_RAW_JITTER!=0
-	   "%s        raw jitter : %7.3f %7.3f %7.3f %7.3f %7.3f\n"
-#endif
-#if defined(PJMEDIA_RTCP_STAT_HAS_IPDV) && PJMEDIA_RTCP_STAT_HAS_IPDV!=0
-	   "%s        IPDV       : %7.3f %7.3f %7.3f %7.3f %7.3f\n"
-#endif
-	   "%s",
-	   indent,
-	   rx_info? rx_info : "",
-	   last_update,
-
-	   indent,
-	   good_number(packets, stat->rx.pkt),
-	   good_number(bytes, stat->rx.bytes),
-	   good_number(ipbytes, stat->rx.bytes + stat->rx.pkt * 40),
-	   good_number(avg_bps, (pj_int32_t)((pj_int64_t)stat->rx.bytes * 8 * 1000 / PJ_TIME_VAL_MSEC(media_duration))),
-	   good_number(avg_ipbps, (pj_int32_t)(((pj_int64_t)stat->rx.bytes + stat->rx.pkt * 40) * 8 * 1000 / PJ_TIME_VAL_MSEC(media_duration))),
-	   indent,
-	   stat->rx.loss,
-	   (stat->rx.loss? stat->rx.loss * 100.0 / (stat->rx.pkt + stat->rx.loss) : 0),
-	   stat->rx.discard, 
-	   (stat->rx.discard? stat->rx.discard * 100.0 / (stat->rx.pkt + stat->rx.loss) : 0),
-	   stat->rx.dup, 
-	   (stat->rx.dup? stat->rx.dup * 100.0 / (stat->rx.pkt + stat->rx.loss) : 0),
-	   stat->rx.reorder, 
-	   (stat->rx.reorder? stat->rx.reorder * 100.0 / (stat->rx.pkt + stat->rx.loss) : 0),
-	   indent, indent,
-	   stat->rx.loss_period.min / 1000.0, 
-	   stat->rx.loss_period.mean / 1000.0, 
-	   stat->rx.loss_period.max / 1000.0,
-	   stat->rx.loss_period.last / 1000.0,
-	   pj_math_stat_get_stddev(&stat->rx.loss_period) / 1000.0,
-	   indent,
-	   stat->rx.jitter.min / 1000.0,
-	   stat->rx.jitter.mean / 1000.0,
-	   stat->rx.jitter.max / 1000.0,
-	   stat->rx.jitter.last / 1000.0,
-	   pj_math_stat_get_stddev(&stat->rx.jitter) / 1000.0,
-#if defined(PJMEDIA_RTCP_STAT_HAS_RAW_JITTER) && PJMEDIA_RTCP_STAT_HAS_RAW_JITTER!=0
-	   indent,
-	   stat->rx_raw_jitter.min / 1000.0,
-	   stat->rx_raw_jitter.mean / 1000.0,
-	   stat->rx_raw_jitter.max / 1000.0,
-	   stat->rx_raw_jitter.last / 1000.0,
-	   pj_math_stat_get_stddev(&stat->rx_raw_jitter) / 1000.0,
-#endif
-#if defined(PJMEDIA_RTCP_STAT_HAS_IPDV) && PJMEDIA_RTCP_STAT_HAS_IPDV!=0
-	   indent,
-	   stat->rx_ipdv.min / 1000.0,
-	   stat->rx_ipdv.mean / 1000.0,
-	   stat->rx_ipdv.max / 1000.0,
-	   stat->rx_ipdv.last / 1000.0,
-	   pj_math_stat_get_stddev(&stat->rx_ipdv) / 1000.0,
-#endif
-	   ""
-	   );
-
-    if (len < 1 || len > end-p) {
-	*p = '\0';
-	return (p-buf);
-    }
-    p += len;
-
-    if (stat->tx.update_cnt == 0)
-	strcpy(last_update, "never");
-    else {
-	pj_gettimeofday(&now);
-	PJ_TIME_VAL_SUB(now, stat->tx.update);
-	sprintf(last_update, "%02ldh:%02ldm:%02ld.%03lds ago",
-		now.sec / 3600,
-		(now.sec % 3600) / 60,
-		now.sec % 60,
-		now.msec);
-    }
-
-    len = pj_ansi_snprintf(p, end-p,
-	   "%s     TX %s last update:%s\n"
-	   "%s        total %spkt %sB (%sB +IP hdr) @avg %sbps/%sbps\n"
-	   "%s        pkt loss=%d (%3.1f%%), dup=%d (%3.1f%%), reorder=%d (%3.1f%%)\n"
-	   "%s              (msec)    min     avg     max     last    dev \n"
-	   "%s        loss period: %7.3f %7.3f %7.3f %7.3f %7.3f\n"
-	   "%s        jitter     : %7.3f %7.3f %7.3f %7.3f %7.3f\n",
-	   indent,
-	   tx_info,
-	   last_update,
-
-	   indent,
-	   good_number(packets, stat->tx.pkt),
-	   good_number(bytes, stat->tx.bytes),
-	   good_number(ipbytes, stat->tx.bytes + stat->tx.pkt * 40),
-	   good_number(avg_bps, (pj_int32_t)((pj_int64_t)stat->tx.bytes * 8 * 1000 / PJ_TIME_VAL_MSEC(media_duration))),
-	   good_number(avg_ipbps, (pj_int32_t)(((pj_int64_t)stat->tx.bytes + stat->tx.pkt * 40) * 8 * 1000 / PJ_TIME_VAL_MSEC(media_duration))),
-
-	   indent,
-	   stat->tx.loss,
-	   (stat->tx.loss? stat->tx.loss * 100.0 / (stat->tx.pkt + stat->tx.loss) : 0),
-	   stat->tx.dup, 
-	   (stat->tx.dup? stat->tx.dup * 100.0 / (stat->tx.pkt + stat->tx.loss) : 0),
-	   stat->tx.reorder, 
-	   (stat->tx.reorder? stat->tx.reorder * 100.0 / (stat->tx.pkt + stat->tx.loss) : 0),
-
-	   indent, indent,
-	   stat->tx.loss_period.min / 1000.0, 
-	   stat->tx.loss_period.mean / 1000.0, 
-	   stat->tx.loss_period.max / 1000.0,
-	   stat->tx.loss_period.last / 1000.0,
-	   pj_math_stat_get_stddev(&stat->tx.loss_period) / 1000.0,
-	   indent,
-	   stat->tx.jitter.min / 1000.0,
-	   stat->tx.jitter.mean / 1000.0,
-	   stat->tx.jitter.max / 1000.0,
-	   stat->tx.jitter.last / 1000.0,
-	   pj_math_stat_get_stddev(&stat->tx.jitter) / 1000.0
-	   );
-
-    if (len < 1 || len > end-p) {
-	*p = '\0';
-	return (p-buf);
-    }
-    p += len;
-
-    len = pj_ansi_snprintf(p, end-p,
-	   "%s     RTT msec      : %7.3f %7.3f %7.3f %7.3f %7.3f\n",
-	   indent,
-	   stat->rtt.min / 1000.0,
-	   stat->rtt.mean / 1000.0,
-	   stat->rtt.max / 1000.0,
-	   stat->rtt.last / 1000.0,
-	   pj_math_stat_get_stddev(&stat->rtt) / 1000.0
-	   );
-    if (len < 1 || len > end-p) {
-	*p = '\0';
-	return (p-buf);
-    }
-    p += len;
-
-    return (p-buf);
-}
-
-
-/* Dump media session */
-static void dump_media_session(const char *indent, 
-			       char *buf, unsigned maxlen,
-			       pjsua_call *call)
-{
-    unsigned i;
-    char *p = buf, *end = buf+maxlen;
-    int len;
-
-    for (i=0; i<call->med_cnt; ++i) {
-	pjsua_call_media *call_med = &call->media[i];
-	pjmedia_rtcp_stat stat;
-	pj_bool_t has_stat;
-	pjmedia_transport_info tp_info;
-	char rem_addr_buf[80];
-	char codec_info[32] = {'0'};
-	char rx_info[80] = {'\0'};
-	char tx_info[80] = {'\0'};
-	const char *rem_addr;
-	const char *dir_str;
-	const char *media_type_str;
-
-	switch (call_med->type) {
-	case PJMEDIA_TYPE_AUDIO:
-	    media_type_str = "audio";
-	    break;
-	case PJMEDIA_TYPE_VIDEO:
-	    media_type_str = "video";
-	    break;
-	case PJMEDIA_TYPE_APPLICATION:
-	    media_type_str = "application";
-	    break;
-	default:
-	    media_type_str = "unknown";
-	    break;
-	}
-
-	/* Check if the stream is deactivated */
-	if (call_med->tp == NULL ||
-	    (!call_med->strm.a.stream && !call_med->strm.v.stream))
-	{
-	    len = pj_ansi_snprintf(p, end-p,
-		      "%s #%d %s deactivated\n",
-		      indent, i, media_type_str);
-	    if (len < 1 || len > end-p) {
-		*p = '\0';
-		return;
-	    }
-
-	    p += len;
-	    continue;
-	}
-
-	pjmedia_transport_info_init(&tp_info);
-	pjmedia_transport_get_info(call_med->tp, &tp_info);
-
-	// rem_addr will contain actual address of RTP originator, instead of
-	// remote RTP address specified by stream which is fetched from the SDP.
-	// Please note that we are assuming only one stream per call.
-	//rem_addr = pj_sockaddr_print(&info.stream_info[i].rem_addr,
-	//			     rem_addr_buf, sizeof(rem_addr_buf), 3);
-	if (pj_sockaddr_has_addr(&tp_info.src_rtp_name)) {
-	    rem_addr = pj_sockaddr_print(&tp_info.src_rtp_name, rem_addr_buf, 
-					 sizeof(rem_addr_buf), 3);
-	} else {
-	    pj_ansi_snprintf(rem_addr_buf, sizeof(rem_addr_buf), "-");
-	    rem_addr = rem_addr_buf;
-	}
-
-	if (call_med->dir == PJMEDIA_DIR_NONE) {
-	    /* To handle when the stream that is currently being paused
-	     * (http://trac.pjsip.org/repos/ticket/1079)
-	     */
-	    dir_str = "inactive";
-	} else if (call_med->dir == PJMEDIA_DIR_ENCODING)
-	    dir_str = "sendonly";
-	else if (call_med->dir == PJMEDIA_DIR_DECODING)
-	    dir_str = "recvonly";
-	else if (call_med->dir == PJMEDIA_DIR_ENCODING_DECODING)
-	    dir_str = "sendrecv";
-	else
-	    dir_str = "inactive";
-
-	if (call_med->type == PJMEDIA_TYPE_AUDIO) {
-	    pjmedia_stream *stream = call_med->strm.a.stream;
-	    pjmedia_stream_info info;
-
-	    pjmedia_stream_get_stat(stream, &stat);
-	    has_stat = PJ_TRUE;
-
-	    pjmedia_stream_get_info(stream, &info);
-	    pj_ansi_snprintf(codec_info, sizeof(codec_info), " %.*s @%dkHz",
-			     (int)info.fmt.encoding_name.slen,
-			     info.fmt.encoding_name.ptr,
-			     info.fmt.clock_rate / 1000);
-	    pj_ansi_snprintf(rx_info, sizeof(rx_info), "pt=%d,",
-			     info.fmt.pt);
-	    pj_ansi_snprintf(tx_info, sizeof(tx_info), "pt=%d, ptime=%d,",
-			     info.tx_pt,
-			     info.param->setting.frm_per_pkt*
-			     info.param->info.frm_ptime);
-	} else if (call_med->type == PJMEDIA_TYPE_VIDEO) {
-	    pjmedia_vid_stream *stream = call_med->strm.v.stream;
-	    pjmedia_vid_stream_info info;
-
-	    pjmedia_vid_stream_get_stat(stream, &stat);
-	    has_stat = PJ_TRUE;
-
-	    pjmedia_vid_stream_get_info(stream, &info);
-	    pj_ansi_snprintf(codec_info, sizeof(codec_info), " %.*s",
-	                     (int)info.codec_info.encoding_name.slen,
-			     info.codec_info.encoding_name.ptr);
-	    if (call_med->dir & PJMEDIA_DIR_DECODING) {
-		pjmedia_video_format_detail *vfd;
-		vfd = pjmedia_format_get_video_format_detail(
-					&info.codec_param->dec_fmt, PJ_TRUE);
-		pj_ansi_snprintf(rx_info, sizeof(rx_info),
-				 "pt=%d, size=%dx%d, fps=%.2f,",
-				 info.rx_pt,
-				 vfd->size.w, vfd->size.h,
-				 vfd->fps.num*1.0/vfd->fps.denum);
-	    }
-	    if (call_med->dir & PJMEDIA_DIR_ENCODING) {
-		pjmedia_video_format_detail *vfd;
-		vfd = pjmedia_format_get_video_format_detail(
-					&info.codec_param->enc_fmt, PJ_TRUE);
-		pj_ansi_snprintf(tx_info, sizeof(tx_info),
-				 "pt=%d, size=%dx%d, fps=%.2f,",
-				 info.tx_pt,
-				 vfd->size.w, vfd->size.h,
-				 vfd->fps.num*1.0/vfd->fps.denum);
-	    }
-	} else {
-	    has_stat = PJ_FALSE;
-	}
-
-	len = pj_ansi_snprintf(p, end-p,
-		  "%s  #%d %s%s, %s, peer=%s\n",
-		  indent,
-		  call_med->idx,
-		  media_type_str,
-		  codec_info,
-		  dir_str,
-		  rem_addr);
-	if (len < 1 || len > end-p) {
-	    *p = '\0';
-	    return;
-	}
-	p += len;
-
-	/* Get and ICE SRTP status */
-	if (call_med->tp) {
-	    pjmedia_transport_info tp_info;
-
-	    pjmedia_transport_info_init(&tp_info);
-	    pjmedia_transport_get_info(call_med->tp, &tp_info);
-	    if (tp_info.specific_info_cnt > 0) {
-		unsigned j;
-		for (j = 0; j < tp_info.specific_info_cnt; ++j) {
-		    if (tp_info.spc_info[j].type == PJMEDIA_TRANSPORT_TYPE_SRTP)
-		    {
-			pjmedia_srtp_info *srtp_info =
-				    (pjmedia_srtp_info*) tp_info.spc_info[j].buffer;
-
-			len = pj_ansi_snprintf(p, end-p,
-					       "   %s  SRTP status: %s Crypto-suite: %s",
-					       indent,
-					       (srtp_info->active?"Active":"Not active"),
-					       srtp_info->tx_policy.name.ptr);
-			if (len > 0 && len < end-p) {
-			    p += len;
-			    *p++ = '\n';
-			    *p = '\0';
-			}
-		    } else if (tp_info.spc_info[j].type==PJMEDIA_TRANSPORT_TYPE_ICE) {
-			const pjmedia_ice_transport_info *ii;
-
-			ii = (const pjmedia_ice_transport_info*)
-			     tp_info.spc_info[j].buffer;
-
-			len = pj_ansi_snprintf(p, end-p,
-					       "   %s  ICE role: %s, state: %s, comp_cnt: %u",
-					       indent,
-					       pj_ice_sess_role_name(ii->role),
-					       pj_ice_strans_state_name(ii->sess_state),
-					       ii->comp_cnt);
-			if (len > 0 && len < end-p) {
-			    p += len;
-			    *p++ = '\n';
-			    *p = '\0';
-			}
-		    }
-		}
-	    }
-	}
-
-
-	if (has_stat) {
-	    len = dump_media_stat(indent, p, end-p, &stat,
-				  rx_info, tx_info);
-	    p += len;
-	}
-
-#if defined(PJMEDIA_HAS_RTCP_XR) && (PJMEDIA_HAS_RTCP_XR != 0)
-#   define SAMPLES_TO_USEC(usec, samples, clock_rate) \
-	do { \
-	    if (samples <= 4294) \
-		usec = samples * 1000000 / clock_rate; \
-	    else { \
-		usec = samples * 1000 / clock_rate; \
-		usec *= 1000; \
-	    } \
-	} while(0)
-
-#   define PRINT_VOIP_MTC_VAL(s, v) \
-	if (v == 127) \
-	    sprintf(s, "(na)"); \
-	else \
-	    sprintf(s, "%d", v)
-
-#   define VALIDATE_PRINT_BUF() \
-	if (len < 1 || len > end-p) { *p = '\0'; return; } \
-	p += len; *p++ = '\n'; *p = '\0'
-
-
-	if (call_med->type == PJMEDIA_TYPE_AUDIO) {
-	    pjmedia_stream_info info;
-	    char last_update[64];
-	    char loss[16], dup[16];
-	    char jitter[80];
-	    char toh[80];
-	    char plc[16], jba[16], jbr[16];
-	    char signal_lvl[16], noise_lvl[16], rerl[16];
-	    char r_factor[16], ext_r_factor[16], mos_lq[16], mos_cq[16];
-	    pjmedia_rtcp_xr_stat xr_stat;
-	    unsigned clock_rate;
-	    pj_time_val now;
-
-	    if (pjmedia_stream_get_stat_xr(call_med->strm.a.stream,
-	                                   &xr_stat) != PJ_SUCCESS)
-	    {
-		continue;
-	    }
-
-	    if (pjmedia_stream_get_info(call_med->strm.a.stream, &info)
-		    != PJ_SUCCESS)
-	    {
-		continue;
-	    }
-
-	    clock_rate = info.fmt.clock_rate;
-	    pj_gettimeofday(&now);
-
-	    len = pj_ansi_snprintf(p, end-p, "\n%s  Extended reports:", indent);
-	    VALIDATE_PRINT_BUF();
-
-	    /* Statistics Summary */
-	    len = pj_ansi_snprintf(p, end-p, "%s   Statistics Summary", indent);
-	    VALIDATE_PRINT_BUF();
-
-	    if (xr_stat.rx.stat_sum.l)
-		sprintf(loss, "%d", xr_stat.rx.stat_sum.lost);
-	    else
-		sprintf(loss, "(na)");
-
-	    if (xr_stat.rx.stat_sum.d)
-		sprintf(dup, "%d", xr_stat.rx.stat_sum.dup);
-	    else
-		sprintf(dup, "(na)");
-
-	    if (xr_stat.rx.stat_sum.j) {
-		unsigned jmin, jmax, jmean, jdev;
-
-		SAMPLES_TO_USEC(jmin, xr_stat.rx.stat_sum.jitter.min, 
-				clock_rate);
-		SAMPLES_TO_USEC(jmax, xr_stat.rx.stat_sum.jitter.max, 
-				clock_rate);
-		SAMPLES_TO_USEC(jmean, xr_stat.rx.stat_sum.jitter.mean, 
-				clock_rate);
-		SAMPLES_TO_USEC(jdev, 
-			       pj_math_stat_get_stddev(&xr_stat.rx.stat_sum.jitter),
-			       clock_rate);
-		sprintf(jitter, "%7.3f %7.3f %7.3f %7.3f", 
-			jmin/1000.0, jmean/1000.0, jmax/1000.0, jdev/1000.0);
-	    } else
-		sprintf(jitter, "(report not available)");
-
-	    if (xr_stat.rx.stat_sum.t) {
-		sprintf(toh, "%11d %11d %11d %11d", 
-			xr_stat.rx.stat_sum.toh.min,
-			xr_stat.rx.stat_sum.toh.mean,
-			xr_stat.rx.stat_sum.toh.max,
-			pj_math_stat_get_stddev(&xr_stat.rx.stat_sum.toh));
-	    } else
-		sprintf(toh, "(report not available)");
-
-	    if (xr_stat.rx.stat_sum.update.sec == 0)
-		strcpy(last_update, "never");
-	    else {
-		pj_gettimeofday(&now);
-		PJ_TIME_VAL_SUB(now, xr_stat.rx.stat_sum.update);
-		sprintf(last_update, "%02ldh:%02ldm:%02ld.%03lds ago",
-			now.sec / 3600,
-			(now.sec % 3600) / 60,
-			now.sec % 60,
-			now.msec);
-	    }
-
-	    len = pj_ansi_snprintf(p, end-p, 
-		    "%s     RX last update: %s\n"
-		    "%s        begin seq=%d, end seq=%d\n"
-		    "%s        pkt loss=%s, dup=%s\n"
-		    "%s              (msec)    min     avg     max     dev\n"
-		    "%s        jitter     : %s\n"
-		    "%s        toh        : %s",
-		    indent, last_update,
-		    indent,
-		    xr_stat.rx.stat_sum.begin_seq, xr_stat.rx.stat_sum.end_seq,
-		    indent, loss, dup,
-		    indent, 
-		    indent, jitter,
-		    indent, toh
-		    );
-	    VALIDATE_PRINT_BUF();
-
-	    if (xr_stat.tx.stat_sum.l)
-		sprintf(loss, "%d", xr_stat.tx.stat_sum.lost);
-	    else
-		sprintf(loss, "(na)");
-
-	    if (xr_stat.tx.stat_sum.d)
-		sprintf(dup, "%d", xr_stat.tx.stat_sum.dup);
-	    else
-		sprintf(dup, "(na)");
-
-	    if (xr_stat.tx.stat_sum.j) {
-		unsigned jmin, jmax, jmean, jdev;
-
-		SAMPLES_TO_USEC(jmin, xr_stat.tx.stat_sum.jitter.min, 
-				clock_rate);
-		SAMPLES_TO_USEC(jmax, xr_stat.tx.stat_sum.jitter.max, 
-				clock_rate);
-		SAMPLES_TO_USEC(jmean, xr_stat.tx.stat_sum.jitter.mean, 
-				clock_rate);
-		SAMPLES_TO_USEC(jdev, 
-			       pj_math_stat_get_stddev(&xr_stat.tx.stat_sum.jitter),
-			       clock_rate);
-		sprintf(jitter, "%7.3f %7.3f %7.3f %7.3f", 
-			jmin/1000.0, jmean/1000.0, jmax/1000.0, jdev/1000.0);
-	    } else
-		sprintf(jitter, "(report not available)");
-
-	    if (xr_stat.tx.stat_sum.t) {
-		sprintf(toh, "%11d %11d %11d %11d", 
-			xr_stat.tx.stat_sum.toh.min,
-			xr_stat.tx.stat_sum.toh.mean,
-			xr_stat.tx.stat_sum.toh.max,
-			pj_math_stat_get_stddev(&xr_stat.rx.stat_sum.toh));
-	    } else
-		sprintf(toh,    "(report not available)");
-
-	    if (xr_stat.tx.stat_sum.update.sec == 0)
-		strcpy(last_update, "never");
-	    else {
-		pj_gettimeofday(&now);
-		PJ_TIME_VAL_SUB(now, xr_stat.tx.stat_sum.update);
-		sprintf(last_update, "%02ldh:%02ldm:%02ld.%03lds ago",
-			now.sec / 3600,
-			(now.sec % 3600) / 60,
-			now.sec % 60,
-			now.msec);
-	    }
-
-	    len = pj_ansi_snprintf(p, end-p, 
-		    "%s     TX last update: %s\n"
-		    "%s        begin seq=%d, end seq=%d\n"
-		    "%s        pkt loss=%s, dup=%s\n"
-		    "%s              (msec)    min     avg     max     dev\n"
-		    "%s        jitter     : %s\n"
-		    "%s        toh        : %s",
-		    indent, last_update,
-		    indent,
-		    xr_stat.tx.stat_sum.begin_seq, xr_stat.tx.stat_sum.end_seq,
-		    indent, loss, dup,
-		    indent,
-		    indent, jitter,
-		    indent, toh
-		    );
-	    VALIDATE_PRINT_BUF();
-
-
-	    /* VoIP Metrics */
-	    len = pj_ansi_snprintf(p, end-p, "%s   VoIP Metrics", indent);
-	    VALIDATE_PRINT_BUF();
-
-	    PRINT_VOIP_MTC_VAL(signal_lvl, xr_stat.rx.voip_mtc.signal_lvl);
-	    PRINT_VOIP_MTC_VAL(noise_lvl, xr_stat.rx.voip_mtc.noise_lvl);
-	    PRINT_VOIP_MTC_VAL(rerl, xr_stat.rx.voip_mtc.rerl);
-	    PRINT_VOIP_MTC_VAL(r_factor, xr_stat.rx.voip_mtc.r_factor);
-	    PRINT_VOIP_MTC_VAL(ext_r_factor, xr_stat.rx.voip_mtc.ext_r_factor);
-	    PRINT_VOIP_MTC_VAL(mos_lq, xr_stat.rx.voip_mtc.mos_lq);
-	    PRINT_VOIP_MTC_VAL(mos_cq, xr_stat.rx.voip_mtc.mos_cq);
-
-	    switch ((xr_stat.rx.voip_mtc.rx_config>>6) & 3) {
-		case PJMEDIA_RTCP_XR_PLC_DIS:
-		    sprintf(plc, "DISABLED");
-		    break;
-		case PJMEDIA_RTCP_XR_PLC_ENH:
-		    sprintf(plc, "ENHANCED");
-		    break;
-		case PJMEDIA_RTCP_XR_PLC_STD:
-		    sprintf(plc, "STANDARD");
-		    break;
-		case PJMEDIA_RTCP_XR_PLC_UNK:
-		default:
-		    sprintf(plc, "UNKNOWN");
-		    break;
-	    }
-
-	    switch ((xr_stat.rx.voip_mtc.rx_config>>4) & 3) {
-		case PJMEDIA_RTCP_XR_JB_FIXED:
-		    sprintf(jba, "FIXED");
-		    break;
-		case PJMEDIA_RTCP_XR_JB_ADAPTIVE:
-		    sprintf(jba, "ADAPTIVE");
-		    break;
-		default:
-		    sprintf(jba, "UNKNOWN");
-		    break;
-	    }
-
-	    sprintf(jbr, "%d", xr_stat.rx.voip_mtc.rx_config & 0x0F);
-
-	    if (xr_stat.rx.voip_mtc.update.sec == 0)
-		strcpy(last_update, "never");
-	    else {
-		pj_gettimeofday(&now);
-		PJ_TIME_VAL_SUB(now, xr_stat.rx.voip_mtc.update);
-		sprintf(last_update, "%02ldh:%02ldm:%02ld.%03lds ago",
-			now.sec / 3600,
-			(now.sec % 3600) / 60,
-			now.sec % 60,
-			now.msec);
-	    }
-
-	    len = pj_ansi_snprintf(p, end-p, 
-		    "%s     RX last update: %s\n"
-		    "%s        packets    : loss rate=%d (%.2f%%), discard rate=%d (%.2f%%)\n"
-		    "%s        burst      : density=%d (%.2f%%), duration=%d%s\n"
-		    "%s        gap        : density=%d (%.2f%%), duration=%d%s\n"
-		    "%s        delay      : round trip=%d%s, end system=%d%s\n"
-		    "%s        level      : signal=%s%s, noise=%s%s, RERL=%s%s\n"
-		    "%s        quality    : R factor=%s, ext R factor=%s\n"
-		    "%s                     MOS LQ=%s, MOS CQ=%s\n"
-		    "%s        config     : PLC=%s, JB=%s, JB rate=%s, Gmin=%d\n"
-		    "%s        JB delay   : cur=%d%s, max=%d%s, abs max=%d%s",
-		    indent,
-		    last_update,
-		    /* packets */
-		    indent,
-		    xr_stat.rx.voip_mtc.loss_rate, xr_stat.rx.voip_mtc.loss_rate*100.0/256,
-		    xr_stat.rx.voip_mtc.discard_rate, xr_stat.rx.voip_mtc.discard_rate*100.0/256,
-		    /* burst */
-		    indent,
-		    xr_stat.rx.voip_mtc.burst_den, xr_stat.rx.voip_mtc.burst_den*100.0/256,
-		    xr_stat.rx.voip_mtc.burst_dur, "ms",
-		    /* gap */
-		    indent,
-		    xr_stat.rx.voip_mtc.gap_den, xr_stat.rx.voip_mtc.gap_den*100.0/256,
-		    xr_stat.rx.voip_mtc.gap_dur, "ms",
-		    /* delay */
-		    indent,
-		    xr_stat.rx.voip_mtc.rnd_trip_delay, "ms",
-		    xr_stat.rx.voip_mtc.end_sys_delay, "ms",
-		    /* level */
-		    indent,
-		    signal_lvl, "dB",
-		    noise_lvl, "dB",
-		    rerl, "",
-		    /* quality */
-		    indent,
-		    r_factor, ext_r_factor, 
-		    indent,
-		    mos_lq, mos_cq,
-		    /* config */
-		    indent,
-		    plc, jba, jbr, xr_stat.rx.voip_mtc.gmin,
-		    /* JB delay */
-		    indent,
-		    xr_stat.rx.voip_mtc.jb_nom, "ms",
-		    xr_stat.rx.voip_mtc.jb_max, "ms",
-		    xr_stat.rx.voip_mtc.jb_abs_max, "ms"
-		    );
-	    VALIDATE_PRINT_BUF();
-
-	    PRINT_VOIP_MTC_VAL(signal_lvl, xr_stat.tx.voip_mtc.signal_lvl);
-	    PRINT_VOIP_MTC_VAL(noise_lvl, xr_stat.tx.voip_mtc.noise_lvl);
-	    PRINT_VOIP_MTC_VAL(rerl, xr_stat.tx.voip_mtc.rerl);
-	    PRINT_VOIP_MTC_VAL(r_factor, xr_stat.tx.voip_mtc.r_factor);
-	    PRINT_VOIP_MTC_VAL(ext_r_factor, xr_stat.tx.voip_mtc.ext_r_factor);
-	    PRINT_VOIP_MTC_VAL(mos_lq, xr_stat.tx.voip_mtc.mos_lq);
-	    PRINT_VOIP_MTC_VAL(mos_cq, xr_stat.tx.voip_mtc.mos_cq);
-
-	    switch ((xr_stat.tx.voip_mtc.rx_config>>6) & 3) {
-		case PJMEDIA_RTCP_XR_PLC_DIS:
-		    sprintf(plc, "DISABLED");
-		    break;
-		case PJMEDIA_RTCP_XR_PLC_ENH:
-		    sprintf(plc, "ENHANCED");
-		    break;
-		case PJMEDIA_RTCP_XR_PLC_STD:
-		    sprintf(plc, "STANDARD");
-		    break;
-		case PJMEDIA_RTCP_XR_PLC_UNK:
-		default:
-		    sprintf(plc, "unknown");
-		    break;
-	    }
-
-	    switch ((xr_stat.tx.voip_mtc.rx_config>>4) & 3) {
-		case PJMEDIA_RTCP_XR_JB_FIXED:
-		    sprintf(jba, "FIXED");
-		    break;
-		case PJMEDIA_RTCP_XR_JB_ADAPTIVE:
-		    sprintf(jba, "ADAPTIVE");
-		    break;
-		default:
-		    sprintf(jba, "unknown");
-		    break;
-	    }
-
-	    sprintf(jbr, "%d", xr_stat.tx.voip_mtc.rx_config & 0x0F);
-
-	    if (xr_stat.tx.voip_mtc.update.sec == 0)
-		strcpy(last_update, "never");
-	    else {
-		pj_gettimeofday(&now);
-		PJ_TIME_VAL_SUB(now, xr_stat.tx.voip_mtc.update);
-		sprintf(last_update, "%02ldh:%02ldm:%02ld.%03lds ago",
-			now.sec / 3600,
-			(now.sec % 3600) / 60,
-			now.sec % 60,
-			now.msec);
-	    }
-
-	    len = pj_ansi_snprintf(p, end-p, 
-		    "%s     TX last update: %s\n"
-		    "%s        packets    : loss rate=%d (%.2f%%), discard rate=%d (%.2f%%)\n"
-		    "%s        burst      : density=%d (%.2f%%), duration=%d%s\n"
-		    "%s        gap        : density=%d (%.2f%%), duration=%d%s\n"
-		    "%s        delay      : round trip=%d%s, end system=%d%s\n"
-		    "%s        level      : signal=%s%s, noise=%s%s, RERL=%s%s\n"
-		    "%s        quality    : R factor=%s, ext R factor=%s\n"
-		    "%s                     MOS LQ=%s, MOS CQ=%s\n"
-		    "%s        config     : PLC=%s, JB=%s, JB rate=%s, Gmin=%d\n"
-		    "%s        JB delay   : cur=%d%s, max=%d%s, abs max=%d%s",
-		    indent,
-		    last_update,
-		    /* pakcets */
-		    indent,
-		    xr_stat.tx.voip_mtc.loss_rate, xr_stat.tx.voip_mtc.loss_rate*100.0/256,
-		    xr_stat.tx.voip_mtc.discard_rate, xr_stat.tx.voip_mtc.discard_rate*100.0/256,
-		    /* burst */
-		    indent,
-		    xr_stat.tx.voip_mtc.burst_den, xr_stat.tx.voip_mtc.burst_den*100.0/256,
-		    xr_stat.tx.voip_mtc.burst_dur, "ms",
-		    /* gap */
-		    indent,
-		    xr_stat.tx.voip_mtc.gap_den, xr_stat.tx.voip_mtc.gap_den*100.0/256,
-		    xr_stat.tx.voip_mtc.gap_dur, "ms",
-		    /* delay */
-		    indent,
-		    xr_stat.tx.voip_mtc.rnd_trip_delay, "ms",
-		    xr_stat.tx.voip_mtc.end_sys_delay, "ms",
-		    /* level */
-		    indent,
-		    signal_lvl, "dB",
-		    noise_lvl, "dB",
-		    rerl, "",
-		    /* quality */
-		    indent,
-		    r_factor, ext_r_factor, 
-		    indent,
-		    mos_lq, mos_cq,
-		    /* config */
-		    indent,
-		    plc, jba, jbr, xr_stat.tx.voip_mtc.gmin,
-		    /* JB delay */
-		    indent,
-		    xr_stat.tx.voip_mtc.jb_nom, "ms",
-		    xr_stat.tx.voip_mtc.jb_max, "ms",
-		    xr_stat.tx.voip_mtc.jb_abs_max, "ms"
-		    );
-	    VALIDATE_PRINT_BUF();
-
-
-	    /* RTT delay (by receiver side) */
-	    len = pj_ansi_snprintf(p, end-p, 
-		    "%s   RTT (from recv)      min     avg     max     last    dev",
-		    indent);
-	    VALIDATE_PRINT_BUF();
-	    len = pj_ansi_snprintf(p, end-p, 
-		    "%s     RTT msec      : %7.3f %7.3f %7.3f %7.3f %7.3f", 
-		    indent,
-		    xr_stat.rtt.min / 1000.0,
-		    xr_stat.rtt.mean / 1000.0,
-		    xr_stat.rtt.max / 1000.0,
-		    xr_stat.rtt.last / 1000.0,
-		    pj_math_stat_get_stddev(&xr_stat.rtt) / 1000.0
-		   );
-	    VALIDATE_PRINT_BUF();
-	} /* if audio */;
-#endif
-
-    }
-}
-
-
-/* Print call info */
-void print_call(const char *title,
-	        int call_id, 
-	        char *buf, pj_size_t size)
-{
-    int len;
-    pjsip_inv_session *inv = pjsua_var.calls[call_id].inv;
-    pjsip_dialog *dlg = inv->dlg;
-    char userinfo[128];
-
-    /* Dump invite sesion info. */
-
-    len = pjsip_hdr_print_on(dlg->remote.info, userinfo, sizeof(userinfo));
-    if (len < 0)
-	pj_ansi_strcpy(userinfo, "<--uri too long-->");
-    else
-	userinfo[len] = '\0';
-    
-    len = pj_ansi_snprintf(buf, size, "%s[%s] %s",
-			   title,
-			   pjsip_inv_state_name(inv->state),
-			   userinfo);
-    if (len < 1 || len >= (int)size) {
-	pj_ansi_strcpy(buf, "<--uri too long-->");
-	len = 18;
-    } else
-	buf[len] = '\0';
-}
-
-
-/*
- * Dump call and media statistics to string.
- */
-PJ_DEF(pj_status_t) pjsua_call_dump( pjsua_call_id call_id, 
-				     pj_bool_t with_media, 
-				     char *buffer, 
-				     unsigned maxlen,
-				     const char *indent)
-{
-    pjsua_call *call;
-    pjsip_dialog *dlg;
-    pj_time_val duration, res_delay, con_delay;
-    char tmp[128];
-    char *p, *end;
-    pj_status_t status;
-    int len;
-
-    PJ_ASSERT_RETURN(call_id>=0 && call_id<(int)pjsua_var.ua_cfg.max_calls,
-		     PJ_EINVAL);
-
-    status = acquire_call("pjsua_call_dump()", call_id, &call, &dlg);
-    if (status != PJ_SUCCESS)
-	return status;
-
-    *buffer = '\0';
-    p = buffer;
-    end = buffer + maxlen;
-    len = 0;
-
-    print_call(indent, call_id, tmp, sizeof(tmp));
-    
-    len = pj_ansi_strlen(tmp);
-    pj_ansi_strcpy(buffer, tmp);
-
-    p += len;
-    *p++ = '\r';
-    *p++ = '\n';
-
-    /* Calculate call duration */
-    if (call->conn_time.sec != 0) {
-	pj_gettimeofday(&duration);
-	PJ_TIME_VAL_SUB(duration, call->conn_time);
-	con_delay = call->conn_time;
-	PJ_TIME_VAL_SUB(con_delay, call->start_time);
-    } else {
-	duration.sec = duration.msec = 0;
-	con_delay.sec = con_delay.msec = 0;
-    }
-
-    /* Calculate first response delay */
-    if (call->res_time.sec != 0) {
-	res_delay = call->res_time;
-	PJ_TIME_VAL_SUB(res_delay, call->start_time);
-    } else {
-	res_delay.sec = res_delay.msec = 0;
-    }
-
-    /* Print duration */
-    len = pj_ansi_snprintf(p, end-p, 
-		           "%s  Call time: %02dh:%02dm:%02ds, "
-		           "1st res in %d ms, conn in %dms",
-			   indent,
-		           (int)(duration.sec / 3600),
-		           (int)((duration.sec % 3600)/60),
-		           (int)(duration.sec % 60),
-		           (int)PJ_TIME_VAL_MSEC(res_delay), 
-		           (int)PJ_TIME_VAL_MSEC(con_delay));
-    
-    if (len > 0 && len < end-p) {
-	p += len;
-	*p++ = '\n';
-	*p = '\0';
-    }
-
-    /* Dump session statistics */
-    if (with_media && pjsua_call_has_media(call_id))
-	dump_media_session(indent, p, end-p, call);
-
-    pjsip_dlg_dec_lock(dlg);
-
-    return PJ_SUCCESS;
-}
-
 /* Proto */
 static pj_status_t perform_lock_codec(pjsua_call *call);