From 574f492441002911b7d0f8a44df7a42d2cf233b8 Mon Sep 17 00:00:00 2001
From: Simon Morlat <simon.morlat@linphone.org>
Date: Thu, 20 May 2010 12:10:50 +0200
Subject: [PATCH] add support for retrieving RTP statistics.

---
 coreapi/linphonecore.c | 39 +++++++++++++++++++++++++++++++++++++++
 coreapi/linphonecore.h |  6 ++++++
 2 files changed, 45 insertions(+)

diff --git a/coreapi/linphonecore.c b/coreapi/linphonecore.c
index 3d5cb9a4e..5b4016ffe 100644
--- a/coreapi/linphonecore.c
+++ b/coreapi/linphonecore.c
@@ -379,6 +379,23 @@ char * linphone_call_log_to_str(LinphoneCallLog *cl){
 	return tmp;
 }
 
+/**
+ * Returns RTP statistics computed locally regarding the call.
+ * 
+**/
+const rtp_stats_t *linphone_call_log_get_local_stats(const LinphoneCallLog *cl){
+	return &cl->local_stats;
+}
+
+/**
+ * Returns RTP statistics computed by remote end and sent back via RTCP.
+ *
+ * @note Not implemented yet.
+**/
+const rtp_stats_t *linphone_call_log_get_remote_stats(const LinphoneCallLog *cl){
+	return &cl->remote_stats;
+}
+
 void linphone_call_log_set_user_pointer(LinphoneCallLog *cl, void *up){
 	cl->user_pointer=up;
 }
@@ -3354,6 +3371,28 @@ void linphone_core_set_audio_transports(LinphoneCore *lc, RtpTransport *rtp, Rtp
 	lc->a_rtcp=rtcp;
 }
 
+/**
+ * Retrieve RTP statistics regarding current call.
+ * @param local RTP statistics computed locally.
+ * @param remote RTP statistics computed by far end (obtained via RTCP feedback).
+ *
+ * @note Remote RTP statistics is not implemented yet.
+ *
+ * @returns 0 or -1 if no call is running.
+**/
+ 
+int linphone_core_get_current_call_stats(LinphoneCore *lc, rtp_stats_t *local, rtp_stats_t *remote){
+	LinphoneCall *call=linphone_core_get_current_call (lc);
+	if (call!=NULL){
+		if (lc->audiostream!=NULL){
+			memset(remote,0,sizeof(*remote));
+			audio_stream_get_local_rtp_stats (lc->audiostream,local);
+			return 0;
+		}
+	}
+	return -1;
+}
+
 void net_config_uninit(LinphoneCore *lc)
 {
 	net_config_t *config=&lc->net_conf;
diff --git a/coreapi/linphonecore.h b/coreapi/linphonecore.h
index 945ea25ea..a19f1f7b3 100644
--- a/coreapi/linphonecore.h
+++ b/coreapi/linphonecore.h
@@ -127,6 +127,8 @@ typedef struct _LinphoneCallLog{
 	int duration; /**<Duration of the call in seconds*/
 	char *refkey;
 	void *user_pointer;
+	rtp_stats_t local_stats;
+	rtp_stats_t remote_stats;
 	struct _LinphoneCore *lc;
 } LinphoneCallLog;
 
@@ -137,6 +139,8 @@ void linphone_call_log_set_user_pointer(LinphoneCallLog *cl, void *up);
 void *linphone_call_log_get_user_pointer(const LinphoneCallLog *cl);
 void linphone_call_log_set_ref_key(LinphoneCallLog *cl, const char *refkey);
 const char *linphone_call_log_get_ref_key(const LinphoneCallLog *cl);
+const rtp_stats_t *linphone_call_log_get_local_stats(const LinphoneCallLog *cl);
+const rtp_stats_t *linphone_call_log_get_remote_stats(const LinphoneCallLog *cl);
 char * linphone_call_log_to_str(LinphoneCallLog *cl);
 
 typedef enum{
@@ -785,6 +789,8 @@ void linphone_core_destroy(LinphoneCore *lc);
 /*for advanced users:*/
 void linphone_core_set_audio_transports(LinphoneCore *lc, RtpTransport *rtp, RtpTransport *rtcp);
 
+int linphone_core_get_current_call_stats(LinphoneCore *lc, rtp_stats_t *local, rtp_stats_t *remote);
+
 #ifdef __cplusplus
 }
 #endif