From 94c90b3261fe1eb8b8f4131c4eb135b611e10e30 Mon Sep 17 00:00:00 2001 From: Paul B Mahol Date: Sat, 24 Jul 2021 17:30:58 +0200 Subject: [PATCH] avfilter/avf_showspectrum: fix not rendering all channels with fscale=log:mode=separate --- libavfilter/avf_showspectrum.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/libavfilter/avf_showspectrum.c b/libavfilter/avf_showspectrum.c index f9ff5b567d..8aa6c668fa 100644 --- a/libavfilter/avf_showspectrum.c +++ b/libavfilter/avf_showspectrum.c @@ -977,8 +977,8 @@ static int plot_channel_log(AVFilterContext *ctx, void *arg, int jobnr, int nb_j a0 = get_value(ctx, ch, yy+0); a1 = get_value(ctx, ch, FFMIN(yy+1, h-1)); for (float j = pos0; j < pos1 && y + j - pos0 < h; j++) { - float row = (s->mode == COMBINED) ? y + j - pos0 : ch * h + y + j - pos0; - float *out = &s->color_buffer[ch][3 * FFMIN(lrintf(row), h-1)]; + float row = (s->mode == COMBINED) ? av_clipf(y + j - pos0, 0, h - 1) : ch * h + av_clipf(y + j - pos0, 0, h - 1); + float *out = &s->color_buffer[ch][3 * lrintf(row)]; float lerpfrac = (j - pos0) / delta; pick_color(s, yf, uf, vf, lerpfrac * a1 + (1.f-lerpfrac) * a0, out);