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avfilter/avf_ahistogram: make frame writable before writing to it

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This commit is contained in:
Paul B Mahol 2022-03-04 13:39:08 +01:00
parent faac31cc86
commit de07c57d5a
1 changed files with 1 additions and 0 deletions
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libavfilter/avf_ahistogram.c
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@ -181,6 +181,7 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in)
}
}
av_frame_make_writable(s->out);
if (s->dmode == SEPARATE) {
for (y = 0; y < w; y++) {
s->combine_buffer[3 * y ] = 0;