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avfilter/avf_aphasemeter: make frame writable before writing to it

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This commit is contained in:
Paul B Mahol 2022-03-04 13:41:24 +01:00
parent de07c57d5a
commit 2a5a14f3ca
1 changed files with 1 additions and 0 deletions
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libavfilter/avf_aphasemeter.c
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@ -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],