From c3eb04900ba471839ecd6611c93b8b55b85d8327 Mon Sep 17 00:00:00 2001
From: smorlat <smorlat@3f6dc0c8-ddfe-455d-9043-3cd528dc4637>
Date: Tue, 1 Dec 2009 14:47:51 +0000
Subject: [PATCH] implement MS_FILTER_GET_SAMPLE_RATE

git-svn-id: svn+ssh://svn.savannah.nongnu.org/linphone/trunk@775 3f6dc0c8-ddfe-455d-9043-3cd528dc4637
---
 linphone/mediastreamer2/src/msrtp.c | 23 +++++++++++++++++++++--
 1 file changed, 21 insertions(+), 2 deletions(-)

diff --git a/linphone/mediastreamer2/src/msrtp.c b/linphone/mediastreamer2/src/msrtp.c
index f1c9cb9bc..36431c929 100644
--- a/linphone/mediastreamer2/src/msrtp.c
+++ b/linphone/mediastreamer2/src/msrtp.c
@@ -303,6 +303,24 @@ static int receiver_set_session(MSFilter * f, void *arg)
 	return 0;
 }
 
+static int receiver_get_sr(MSFilter *f, void *arg){
+	ReceiverData *d = (ReceiverData *) f->data;
+	PayloadType *pt;
+	if (d->session==NULL) {
+		ms_warning("Could not obtain sample rate, session is not set.");
+		return -1;
+	}
+	pt=rtp_profile_get_payload(rtp_session_get_profile(d->session),
+									rtp_session_get_recv_payload_type(d->session));
+	if (pt != NULL) {
+		*(int*)arg=pt->clock_rate;
+	}else{
+		ms_warning("Could not obtain sample rate, payload type is unknown.");
+		return -1;
+	}
+	return 0;
+}
+
 static void receiver_preprocess(MSFilter * f){
 	ReceiverData *d = (ReceiverData *) f->data;
 	if (d->session){
@@ -336,8 +354,9 @@ static void receiver_process(MSFilter * f)
 }
 
 static MSFilterMethod receiver_methods[] = {
-	{MS_RTP_RECV_SET_SESSION, receiver_set_session},
-	{0, NULL}
+	{	MS_RTP_RECV_SET_SESSION	, receiver_set_session	},
+	{	MS_FILTER_GET_SAMPLE_RATE	, receiver_get_sr		},
+	{	0, NULL}
 };
 
 #ifdef _MSC_VER