Mercurial > hg > svgui

changeset 1055:00891cfaa4d3 3.0-integration

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Make normalise-hybrid logic the same in both draw methods
author Chris Cannam
date Mon, 13 Jun 2016 11:44:03 +0100
parents 5e5873c24142
children b4fd6c67fce5
files layer/SpectrogramLayer.cpp
diffstat 1 files changed, 5 insertions(+), 6 deletions(-) [+]
line wrap: on
line diff
--- a/layer/SpectrogramLayer.cpp	Mon Jun 13 11:42:51 2016 +0100
+++ b/layer/SpectrogramLayer.cpp	Mon Jun 13 11:44:03 2016 +0100
@@ -2265,12 +2265,11 @@
                 } else if (m_normalization == NormalizeColumns) {
                     fft->getNormalizedMagnitudesAt(sx, values, minbin, maxbin - minbin + 1);
                 } else if (m_normalization == NormalizeHybrid) {
-                    float max = fft->getNormalizedMagnitudesAt(sx, values, minbin, maxbin - minbin + 1);
-                    if (max > 0.f) {
-                        for (int i = minbin; i <= maxbin; ++i) {
-                            values[i - minbin] = float(values[i - minbin] *
-                                                       log10f(max));
-                        }
+                    float max = fft->getNormalizedMagnitudesAt
+                        (sx, values, minbin, maxbin - minbin + 1);
+                    float scale = log10f(max + 1.f);
+                    for (int i = minbin; i <= maxbin; ++i) {
+                        values[i - minbin] *= scale;
                     }
                 } else {
                     fft->getMagnitudesAt(sx, values, minbin, maxbin - minbin + 1);