From e829fa6e222f37de9c26e4e82f0227078f4b6629 Mon Sep 17 00:00:00 2001
From: Simon Morlat <simon.morlat@linphone.org>
Date: Fri, 19 Oct 2012 11:41:03 +0200
Subject: [PATCH] add int linphone_core_decline_call(LinphoneCore *lc,
 LinphoneCall * call, LinphoneReason reason)

---
 coreapi/linphonecall.c |  1 +
 coreapi/linphonecore.c | 33 +++++++++++++++++++++++++++++++--
 coreapi/linphonecore.h |  5 ++++-
 3 files changed, 36 insertions(+), 3 deletions(-)

diff --git a/coreapi/linphonecall.c b/coreapi/linphonecall.c
index 32dc9d59..70395841 100644
--- a/coreapi/linphonecall.c
+++ b/coreapi/linphonecall.c
@@ -2096,6 +2096,7 @@ bool_t linphone_call_is_in_conference(const LinphoneCall *call) {
 
 /**
  * Perform a zoom of the video displayed during a call.
+ * @param call the call.
  * @param zoom_factor a floating point number describing the zoom factor. A value 1.0 corresponds to no zoom applied.
  * @param cx a floating point number pointing the horizontal center of the zoom to be applied. This value should be between 0.0 and 1.0.
  * @param cy a floating point number pointing the vertical center of the zoom to be applied. This value should be between 0.0 and 1.0.
diff --git a/coreapi/linphonecore.c b/coreapi/linphonecore.c
index d96a1905..c0738050 100644
--- a/coreapi/linphonecore.c
+++ b/coreapi/linphonecore.c
@@ -2917,6 +2917,7 @@ static void terminate_call(LinphoneCore *lc, LinphoneCall *call){
 	linphone_call_stop_media_streams(call);
 	if (lc->vtable.display_status!=NULL)
 		lc->vtable.display_status(lc,_("Call ended") );
+	linphone_call_set_state(call,LinphoneCallEnd,"Call terminated");
 }
 
 int linphone_core_redirect_call(LinphoneCore *lc, LinphoneCall *call, const char *redirect_uri){
@@ -2924,7 +2925,6 @@ int linphone_core_redirect_call(LinphoneCore *lc, LinphoneCall *call, const char
 		sal_call_decline(call->op,SalReasonRedirect,redirect_uri);
 		call->reason=LinphoneReasonDeclined;
 		terminate_call(lc,call);
-		linphone_call_set_state(call,LinphoneCallEnd,"Call terminated");
 	}else{
 		ms_error("Bad state for call redirection.");
 		return -1;
@@ -2958,8 +2958,35 @@ int linphone_core_terminate_call(LinphoneCore *lc, LinphoneCall *the_call)
 	}
 	sal_call_terminate(call->op);
 	terminate_call(lc,call);
+	return 0;
+}
 
-	linphone_call_set_state(call,LinphoneCallEnd,"Call terminated");
+/**
+ * Decline a pending incoming call, with a reason.
+ * @param lc the linphone core
+ * @param call the LinphoneCall, must be in the IncomingReceived state.
+ * @param reason the reason for rejecting the call: LinphoneReasonDeclined or LinphoneReasonBusy
+**/
+int linphone_core_decline_call(LinphoneCore *lc, LinphoneCall * call, LinphoneReason reason){
+	SalReason sal_reason=SalReasonUnknown;
+	if (call->state!=LinphoneCallIncomingReceived && call->state!=LinphoneCallIncomingEarlyMedia){
+		ms_error("linphone_core_decline_call(): Cannot decline a call that is in state %s",linphone_call_state_to_string(call->state));
+		return -1;
+	}
+	switch(reason){
+		case LinphoneReasonDeclined:
+			sal_reason=SalReasonDeclined;
+		break;
+		case LinphoneReasonBusy:
+			sal_reason=SalReasonBusy;
+		break;
+		default:
+			ms_error("linphone_core_decline_call(): unsupported reason %s",linphone_reason_to_string(reason));
+			return -1;
+		break;
+	}
+	sal_call_decline(call->op,sal_reason,NULL);
+	terminate_call(lc,call);
 	return 0;
 }
 
@@ -4975,6 +5002,8 @@ const char *linphone_reason_to_string(LinphoneReason err){
 			return "User not found";
 		case LinphoneReasonNotAnswered:
 			return "Not answered";
+		case LinphoneReasonBusy:
+			return "Busy";
 	}
 	return "unknown error";
 }
diff --git a/coreapi/linphonecore.h b/coreapi/linphonecore.h
index ad52c559..d0ecc11a 100644
--- a/coreapi/linphonecore.h
+++ b/coreapi/linphonecore.h
@@ -222,7 +222,8 @@ enum _LinphoneReason{
 	LinphoneReasonBadCredentials, /**<Authentication failed due to bad or missing credentials*/
 	LinphoneReasonDeclined, /**<The call has been declined*/
 	LinphoneReasonNotFound, /**<Destination of the calls was not found.*/
-	LinphoneReasonNotAnswered
+	LinphoneReasonNotAnswered, /**<The call was not answered in time*/
+	LinphoneReasonBusy /**<Phone line was busy */
 };
 
 /**
@@ -964,6 +965,8 @@ int linphone_core_terminate_call(LinphoneCore *lc, LinphoneCall *call);
 
 int linphone_core_redirect_call(LinphoneCore *lc, LinphoneCall *call, const char *redirect_uri);
 
+int linphone_core_decline_call(LinphoneCore *lc, LinphoneCall * call, LinphoneReason reason);
+
 int linphone_core_terminate_all_calls(LinphoneCore *lc);
 
 int linphone_core_pause_call(LinphoneCore *lc, LinphoneCall *call);
-- 
2.39.2