From: Clément Bœsch <u@pkh.me>
Date: Sun, 16 Nov 2014 20:12:50 +0000 (+0100)
Subject: avfilter/signalstats: fix different buffers for out frame if burn is enabled
X-Git-Url: https://git.sesse.net/?a=commitdiff_plain;h=b424e67abf0dc9b5f8ca4d281baceee7d7b932f2;p=ffmpeg

avfilter/signalstats: fix different buffers for out frame if burn is enabled

This was the original intend.
---

diff --git a/libavfilter/vf_signalstats.c b/libavfilter/vf_signalstats.c
index 47545aa080f..8c6a2d6bbd4 100644
--- a/libavfilter/vf_signalstats.c
+++ b/libavfilter/vf_signalstats.c
@@ -294,8 +294,10 @@ static int filter_frame(AVFilterLink *link, AVFrame *in)
 
     prev = s->frame_prev;
 
-    if (s->outfilter != FILTER_NONE)
+    if (s->outfilter != FILTER_NONE) {
         out = av_frame_clone(in);
+        av_frame_make_writable(out);
+    }
 
     for (fil = 0; fil < FILT_NUMB; fil ++)
         if ((s->filters & 1<<fil) && filters_def[fil].init)