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avfilter/avf_avectorscope: check if clone frame is set

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This commit is contained in:
Paul B Mahol 2020-01-14 14:22:17 +01:00
parent 4e1ae43b17
commit f9897eda43
1 changed files with 6 additions and 1 deletions
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7
libavfilter/avf_avectorscope.c
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@ -238,6 +238,7 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *insamples)
AudioVectorScopeContext *s = ctx->priv;
const int hw = s->hw;
const int hh = s->hh;
AVFrame *clone;
unsigned x, y;
unsigned prev_x = s->prev_x, prev_y = s->prev_y;
double zoom = s->zoom;
@ -360,7 +361,11 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *insamples)
s->prev_x = x, s->prev_y = y;
av_frame_free(&insamples);
return ff_filter_frame(outlink, av_frame_clone(s->outpicref));
clone = av_frame_clone(s->outpicref);
if (!clone)
return AVERROR(ENOMEM);
return ff_filter_frame(outlink, clone);
}
static int activate(AVFilterContext *ctx)