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audiovisualwaveform: clamp audio values so they stay inbounds

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itsmattkc
2020-06-22 00:39:38 +10:00
parent 1725f01459
commit 6ebcb7162e
1 changed files with 6 additions and 3 deletions
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app/audio/audiovisualwaveform.cpp
+6 -3
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@@ -231,10 +231,13 @@ void AudioVisualWaveform::DrawSample(QPainter *painter, const QVector<SamplePerC
int channel_half_height = channel_height / 2;
for (int i=0;i<sample.size();i++) {
qfloat16 max = qMin(sample.at(i).max, static_cast<qfloat16>(1.0f));
qfloat16 min = qMax(sample.at(i).min, static_cast<qfloat16>(-1.0));
if (Config::Current()[QStringLiteral("RectifiedWaveforms")].toBool()) {
int channel_bottom = y + channel_height * (i + 1);
int diff = qRound((sample.at(i).max - sample.at(i).min) * channel_half_height);
int diff = qRound((max - min) * channel_half_height);
painter->drawLine(x,
channel_bottom - diff,
@@ -244,9 +247,9 @@ void AudioVisualWaveform::DrawSample(QPainter *painter, const QVector<SamplePerC
int channel_mid = y + channel_height * i + channel_half_height;
painter->drawLine(x,
channel_mid + qRound(sample.at(i).min * static_cast<float>(channel_half_height)),
channel_mid + qRound(min * static_cast<float>(channel_half_height)),
x,
channel_mid + qRound(sample.at(i).max * static_cast<float>(channel_half_height)));
channel_mid + qRound(max * static_cast<float>(channel_half_height)));
}
}
}