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avfilter/avf_showspectrum: check if frame clone is set

This commit is contained in:
Paul B Mahol 2020-01-14 16:46:50 +01:00
parent cc752233fb
commit 7e4b0d377f
1 changed files with 6 additions and 1 deletions
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7
libavfilter/avf_showspectrum.c
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@ -1365,6 +1365,8 @@ static int plot_spectrum_column(AVFilterLink *inlink, AVFrame *insamples)
s->xpos = 0;
if (!s->single_pic && (s->sliding != FULLFRAME || s->xpos == 0)) {
if (s->old_pts < outpicref->pts) {
AVFrame *clone;
if (s->legend) {
char *units = get_time(ctx, insamples->pts /(float)inlink->sample_rate, x);
if (!units)
@ -1393,7 +1395,10 @@ static int plot_spectrum_column(AVFilterLink *inlink, AVFrame *insamples)
av_free(units);
}
s->old_pts = outpicref->pts;
ret = ff_filter_frame(outlink, av_frame_clone(s->outpicref));
clone = av_frame_clone(s->outpicref);
if (!clone)
return AVERROR(ENOMEM);
ret = ff_filter_frame(outlink, clone);
if (ret < 0)
return ret;
return 0;