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Code Issues Releases Activity

avfilter/avf_showspectrum: use av_clip/lrintf

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Signed-off-by: Paul B Mahol <onemda@gmail.com>
This commit is contained in:
Paul B Mahol 2016-01-05 10:05:14 +01:00
parent 0d3b31ae89
commit c31fa1d7b4
1 changed files with 3 additions and 3 deletions
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6
libavfilter/avf_showspectrum.c
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@ -595,7 +595,7 @@ static int plot_spectrum_column(AVFilterLink *inlink, AVFrame *insamples)
a = pow(a, 0.20);
break;
case LOG:
a = 1 + log10(FFMAX(FFMIN(1, a * w), 1e-6)) / 6; // zero = -120dBFS
a = 1 + log10(av_clipd(a * w, 1e-6, 1)) / 6; // zero = -120dBFS
break;
default:
av_assert0(0);
@ -632,7 +632,7 @@ static int plot_spectrum_column(AVFilterLink *inlink, AVFrame *insamples)
(outlink->h - 1) * outpicref->linesize[plane] +
s->xpos;
for (y = 0; y < outlink->h; y++) {
*p = lrint(FFMAX(0, FFMIN(s->combine_buffer[3 * y + plane], 255)));
*p = lrintf(av_clipf(s->combine_buffer[3 * y + plane], 0, 255));
p -= outpicref->linesize[plane];
}
}
@ -660,7 +660,7 @@ static int plot_spectrum_column(AVFilterLink *inlink, AVFrame *insamples)
uint8_t *p = outpicref->data[plane] +
s->xpos * outpicref->linesize[plane];
for (x = 0; x < outlink->w; x++) {
*p = lrint(FFMAX(0, FFMIN(s->combine_buffer[3 * x + plane], 255)));
*p = lrintf(av_clipf(s->combine_buffer[3 * x + plane], 0, 255));
p++;
}
}