ffmpeg | branch: master | Paul B Mahol <[email protected]> | Fri Mar  4 13:41:24 
2022 +0100| [2a5a14f3ca516410ba599edc7ae400fb9286b0d2] | committer: Paul B Mahol

avfilter/avf_aphasemeter: make frame writable before writing to it

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=2a5a14f3ca516410ba599edc7ae400fb9286b0d2
---

 libavfilter/avf_aphasemeter.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/libavfilter/avf_aphasemeter.c b/libavfilter/avf_aphasemeter.c
index d9302cf867..852fcc8ef7 100644
--- a/libavfilter/avf_aphasemeter.c
+++ b/libavfilter/avf_aphasemeter.c
@@ -266,6 +266,7 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in)
             memset(out->data[0] + i * out->linesize[0], 0, outlink->w * 4);
     } else if (s->do_video) {
         out = s->out;
+        av_frame_make_writable(s->out);
         for (i = outlink->h - 1; i >= 10; i--)
             memmove(out->data[0] + (i  ) * out->linesize[0],
                     out->data[0] + (i-1) * out->linesize[0],

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