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avfilter/avf_showspectrum: fix pts offset by one

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This commit is contained in:
Paul B Mahol 2022-04-14 22:11:46 +02:00
parent fe2eb9760f
commit a34fe3dfa9
1 changed files with 2 additions and 1 deletions
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3
libavfilter/avf_showspectrum.c
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@ -1064,6 +1064,7 @@ static int config_output(AVFilterLink *outlink)
int i, fft_size, h, w, ret;
float overlap;
s->old_pts = AV_NOPTS_VALUE;
s->dmax = expf(s->limit * M_LN10 / 20.f);
s->dmin = expf((s->limit - s->drange) * M_LN10 / 20.f);
@ -1610,7 +1611,7 @@ static int activate(AVFilterContext *ctx)
if (s->data == D_UPHASE)
ff_filter_execute(ctx, calc_channel_uphases, NULL, NULL, s->nb_display_channels);
if (s->xpos == 0 || s->sliding != FULLFRAME)
if (s->sliding != FULLFRAME || s->xpos == 0)
s->in_pts = fin->pts;
ret = plot_spectrum_column(inlink, fin);
av_frame_free(&fin);