From b70d89a033dacf53758256f875f1b23ce0ae13f1 Mon Sep 17 00:00:00 2001
From: Robert Nagy <ronag89@gmail.com>
Date: Mon, 16 Apr 2012 08:17:25 +0200
Subject: lavfi: add avfilter_unref_bufferp()

Signed-off-by: Anton Khirnov <anton@khirnov.net>
---
 libavfilter/buffer.c | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'libavfilter/buffer.c')

diff --git a/libavfilter/buffer.c b/libavfilter/buffer.c
index be0da26ea1..e3ebc9b8c7 100644
--- a/libavfilter/buffer.c
+++ b/libavfilter/buffer.c
@@ -84,6 +84,12 @@ void avfilter_unref_buffer(AVFilterBufferRef *ref)
     av_free(ref);
 }
 
+void avfilter_unref_bufferp(AVFilterBufferRef **ref)
+{
+    avfilter_unref_buffer(*ref);
+    *ref = NULL;
+}
+
 int avfilter_copy_frame_props(AVFilterBufferRef *dst, const AVFrame *src)
 {
     dst->pts    = src->pts;
-- 
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