From 72f3786d0f0897ed0fc3356f4fec167219de54a4 Mon Sep 17 00:00:00 2001
From: Nicolas George <nicolas.george@normalesup.org>
Date: Tue, 24 Apr 2012 12:51:37 +0200
Subject: sink_buffer: guard against NULL frames.

This only happens if some filter somewhere is bogus,
but it helps debugging.
---
 libavfilter/sink_buffer.c | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'libavfilter')

diff --git a/libavfilter/sink_buffer.c b/libavfilter/sink_buffer.c
index 3eb66ca7d5..d83f21ba61 100644
--- a/libavfilter/sink_buffer.c
+++ b/libavfilter/sink_buffer.c
@@ -23,6 +23,7 @@
  * buffer video sink
  */
 
+#include "libavutil/avassert.h"
 #include "libavutil/fifo.h"
 #include "avfilter.h"
 #include "buffersink.h"
@@ -98,6 +99,7 @@ static void end_frame(AVFilterLink *inlink)
     AVFilterContext *ctx = inlink->dst;
     BufferSinkContext *buf = inlink->dst->priv;
 
+    av_assert1(inlink->cur_buf);
     if (av_fifo_space(buf->fifo) < sizeof(AVFilterBufferRef *)) {
         /* realloc fifo size */
         if (av_fifo_realloc2(buf->fifo, av_fifo_size(buf->fifo) * 2) < 0) {
-- 
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