From daa7ebf69e0af170a6185ab0fa97d55da2919118 Mon Sep 17 00:00:00 2001
From: smorlat <smorlat@3f6dc0c8-ddfe-455d-9043-3cd528dc4637>
Date: Wed, 25 Mar 2009 13:12:49 +0000
Subject: [PATCH] added MSVoidSink

git-svn-id: svn+ssh://svn.savannah.nongnu.org/linphone/trunk@369 3f6dc0c8-ddfe-455d-9043-3cd528dc4637
---
 .../include/mediastreamer2/allfilters.h       |  3 +-
 linphone/mediastreamer2/src/Makefile.am       |  3 +-
 linphone/mediastreamer2/src/void.c            | 61 +++++++++++++++++++
 3 files changed, 65 insertions(+), 2 deletions(-)
 create mode 100644 linphone/mediastreamer2/src/void.c

diff --git a/linphone/mediastreamer2/include/mediastreamer2/allfilters.h b/linphone/mediastreamer2/include/mediastreamer2/allfilters.h
index 25d04967b..58dfb01c1 100644
--- a/linphone/mediastreamer2/include/mediastreamer2/allfilters.h
+++ b/linphone/mediastreamer2/include/mediastreamer2/allfilters.h
@@ -81,7 +81,8 @@ typedef enum MSFilterId{
 	MS_H263_OLD_ENC_ID,
 	MS_MIRE_ID,
 	MS_VFW_ID,
-	MS_ICE_ID
+	MS_ICE_ID,
+	MS_VOID_SINK_ID
 } MSFilterId;
 
 
diff --git a/linphone/mediastreamer2/src/Makefile.am b/linphone/mediastreamer2/src/Makefile.am
index 6d4e07b60..376d1ad98 100644
--- a/linphone/mediastreamer2/src/Makefile.am
+++ b/linphone/mediastreamer2/src/Makefile.am
@@ -30,7 +30,8 @@ libmediastreamer_la_SOURCES=	mscommon.c     \
 				g711common.h \
 				msvolume.c \
 				mswebcam.c \
-				mtu.c
+				mtu.c \
+				void.c
 
 
 libmediastreamer_la_SOURCES+=audiostream.c
diff --git a/linphone/mediastreamer2/src/void.c b/linphone/mediastreamer2/src/void.c
new file mode 100644
index 000000000..b785667ce
--- /dev/null
+++ b/linphone/mediastreamer2/src/void.c
@@ -0,0 +1,61 @@
+/*
+mediastreamer2 library - modular sound and video processing and streaming
+Copyright (C) 2006  Simon MORLAT (simon.morlat@linphone.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 "mediastreamer2/msfilter.h"
+
+
+static void void_sink_process(MSFilter *f){
+	mblk_t *im;
+	while((im=ms_queue_get(f->inputs[0]))!=NULL){
+		freemsg(im);
+	}
+}
+
+#ifdef _MSC_VER
+
+MSFilterDesc ms_void_sink_desc={
+	MS_TEE_ID,
+	"MSVoidSink",
+	N_("A filter that trashes its input (useful for terminating some graphs)."),
+	MS_FILTER_OTHER,
+	NULL,
+	1,
+	0,
+    	NULL,
+	NULL,
+	void_sink_process,
+	NULL,
+	NULL
+};
+
+#else
+
+MSFilterDesc ms_void_sink_desc={
+	.id=MS_TEE_ID,
+	.name="MSVoidSink",
+	.text=N_("A filter that trashes its input (useful for terminating some graphs)."),
+	.category=MS_FILTER_OTHER,
+	.ninputs=1,
+	.noutputs=0,
+	.process=void_sink_process,
+};
+
+#endif
+
+MS_FILTER_DESC_EXPORT(ms_void_sink_desc)