From 0bb7408e557f5d5ee3f8c1d001012e5c204c20b4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?M=C3=A5ns=20Rullg=C3=A5rd?= <mans@mansr.com>
Date: Fri, 6 Aug 2010 22:25:36 +0000
Subject: [PATCH] avfilter: do not crash on null link src/dst in
avfilter_destroy()
Originally committed as revision 24719 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
libavfilter/avfilter.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/libavfilter/avfilter.c b/libavfilter/avfilter.c
index d4ce97792d8..02cdb56a052 100644
--- a/libavfilter/avfilter.c
+++ b/libavfilter/avfilter.c
@@ -429,6 +429,7 @@ void avfilter_destroy(AVFilterContext *filter)
for(i = 0; i < filter->input_count; i ++) {
if(filter->inputs[i]) {
+ if (filter->inputs[i]->src)
filter->inputs[i]->src->outputs[filter->inputs[i]->srcpad] = NULL;
avfilter_formats_unref(&filter->inputs[i]->in_formats);
avfilter_formats_unref(&filter->inputs[i]->out_formats);
@@ -437,6 +438,7 @@ void avfilter_destroy(AVFilterContext *filter)
}
for(i = 0; i < filter->output_count; i ++) {
if(filter->outputs[i]) {
+ if (filter->outputs[i]->dst)
filter->outputs[i]->dst->inputs[filter->outputs[i]->dstpad] = NULL;
avfilter_formats_unref(&filter->outputs[i]->in_formats);
avfilter_formats_unref(&filter->outputs[i]->out_formats);
--
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