From cf168e78fdada731702ca1ebfcbbafe8a49f9dbc Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jean-Philippe=20Andr=C3=A9?= <jpeg@videolan.org>
Date: Tue, 10 Nov 2009 18:10:37 +0100
Subject: [PATCH] Stream: Export stream_FilterNew

---
 include/vlc_stream.h      | 5 +++++
 src/input/stream_filter.c | 3 +++
 src/libvlccore.sym        | 1 +
 3 files changed, 9 insertions(+)

diff --git a/include/vlc_stream.h b/include/vlc_stream.h
index 96a2f0e5f7..c2c40ab9b9 100644
--- a/include/vlc_stream.h
+++ b/include/vlc_stream.h
@@ -181,6 +181,11 @@ VLC_EXPORT( stream_t *,__stream_MemoryNew, (vlc_object_t *p_obj, uint8_t *p_buff
 #define stream_UrlNew( a, b ) __stream_UrlNew( VLC_OBJECT(a), b )
 VLC_EXPORT( stream_t *,__stream_UrlNew, (vlc_object_t *p_this, const char *psz_url ) );
 
+/**
+ * Try to add a stream filter to an open stream.
+ * @return New stream to use, or NULL if the filter could not be added.
+ **/
+VLC_EXPORT( stream_t*, stream_FilterNew, ( stream_t *p_source, const char *psz_stream_filter ) );
 /**
  * @}
  */
diff --git a/src/input/stream_filter.c b/src/input/stream_filter.c
index 213643f58f..fc06b6fa5f 100644
--- a/src/input/stream_filter.c
+++ b/src/input/stream_filter.c
@@ -29,6 +29,8 @@
 #include <vlc_stream.h>
 #include <libvlc.h>
 
+#include <assert.h>
+
 #include "stream.h"
 
 static void StreamDelete( stream_t * );
@@ -37,6 +39,7 @@ stream_t *stream_FilterNew( stream_t *p_source,
                             const char *psz_stream_filter )
 {
     stream_t *s;
+    assert( p_source != NULL );
 
     s = stream_CommonNew( VLC_OBJECT( p_source ) );
     if( s == NULL )
diff --git a/src/libvlccore.sym b/src/libvlccore.sym
index 06274d9a53..fb1480a3ed 100644
--- a/src/libvlccore.sym
+++ b/src/libvlccore.sym
@@ -388,6 +388,7 @@ stream_Control
 stream_Delete
 stream_DemuxNew
 stream_DemuxSend
+stream_FilterNew
 __stream_MemoryNew
 stream_Peek
 stream_Read