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avfilter/avf_ahistogram: check if frame clone is set
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@ -163,6 +163,7 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in)
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const int w = s->w;
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int c, y, n, p, bin;
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uint64_t acmax = 1;
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AVFrame *clone;
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if (!s->out || s->out->width != outlink->w ||
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s->out->height != outlink->h) {
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@ -363,7 +364,11 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in)
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s->ypos = H;
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}
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return ff_filter_frame(outlink, av_frame_clone(s->out));
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clone = av_frame_clone(s->out);
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if (!clone)
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return AVERROR(ENOMEM);
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return ff_filter_frame(outlink, clone);
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}
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static int activate(AVFilterContext *ctx)
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