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Code Issues Activity Actions

SoundPlayer: Simplify Bars Visualization drawing logic a bit

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The freq_bin in bins_per_group was multiplied only to be divided later,
which could even result in a crash if you set higher buffer size
(like 1000ms) in PlaybackManager, due to rounding errors I presume.
This commit is contained in:
Karol Kosek 2021-09-03 22:55:41 +02:00 • committed by Andreas Kling
parent 918f7cb4a8
commit 43c37ae701
1 changed files with 2 additions and 3 deletions
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5
Userland/Applications/SoundPlayer/BarsVisualizationWidget.cpp
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@ -41,10 +41,9 @@ void BarsVisualizationWidget::paint_event(GUI::PaintEvent& event)
for (double& d : groups)
d = 0.;
int bins_per_group = ceil_div((m_sample_count - 1) / 2, group_count) * freq_bin;
int bins_per_group = ceil_div((m_sample_count - 1) / 2, group_count);
for (int i = 1; i < m_sample_count / 2; i++) {
groups[(i * freq_bin) / bins_per_group] += AK::fabs(m_sample_buffer.data()[i].real());
groups[i / bins_per_group] += AK::fabs(m_sample_buffer.data()[i].real());
}
for (int i = 0; i < group_count; i++)
groups[i] /= max * freq_bin / (m_adjust_frequencies ? (clamp(AK::pow(AK::E<double>, (double)i / group_count * 3.) - 1.75, 1., 15.)) : 1.);