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avfilter/avf_ahistogram: check if frame clone is set

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This commit is contained in:
Paul B Mahol 2020-01-14 16:38:49 +01:00
parent 928020b9d0
commit d580c7a797
1 changed files with 6 additions and 1 deletions
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7
libavfilter/avf_ahistogram.c
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@ -163,6 +163,7 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in)
const int w = s->w;
int c, y, n, p, bin;
uint64_t acmax = 1;
AVFrame *clone;
if (!s->out || s->out->width != outlink->w ||
s->out->height != outlink->h) {
@ -363,7 +364,11 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in)
s->ypos = H;
}
return ff_filter_frame(outlink, av_frame_clone(s->out));
clone = av_frame_clone(s->out);
if (!clone)
return AVERROR(ENOMEM);
return ff_filter_frame(outlink, clone);
}
static int activate(AVFilterContext *ctx)