From f9897eda43f8f2285593b41ff0efa8bfbad431e2 Mon Sep 17 00:00:00 2001 From: Paul B Mahol Date: Tue, 14 Jan 2020 14:22:17 +0100 Subject: [PATCH] avfilter/avf_avectorscope: check if clone frame is set --- libavfilter/avf_avectorscope.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/libavfilter/avf_avectorscope.c b/libavfilter/avf_avectorscope.c index 0f53b36dfb..b288ff63ff 100644 --- a/libavfilter/avf_avectorscope.c +++ b/libavfilter/avf_avectorscope.c @@ -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)