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ATV Demod: use sample period for line duration adjustment step

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This commit is contained in:
f4exb 2017-03-24 01:01:53 +01:00
parent 87c63b41bb
commit ce7c65ae38
2 changed files with 13 additions and 7 deletions
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12
plugins/channelrx/demodatv/atvdemod.cpp
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@ -737,12 +737,12 @@ void ATVDemod::applySettings()
m_intNumberSamplePerLine = (int) (m_objConfig.m_fltLineDuration * m_objConfig.m_intSampleRate);
m_intNumberOfRowsToDisplay = (int) (m_objConfig.m_fltRatioOfRowsToDisplay * m_objConfig.m_fltLineDuration * m_objConfig.m_intSampleRate);
// qDebug() << "ATVDemod::applySettings:"
// << " m_fltLineDuration: " << m_objConfig.m_fltLineDuration
// << " m_fltFramePerS: " << m_objConfig.m_fltFramePerS
// << " m_intNumberOfLines: " << m_intNumberOfLines
// << " m_intNumberSamplePerLine: " << m_intNumberSamplePerLine
// << " m_intNumberOfRowsToDisplay: " << m_intNumberOfRowsToDisplay;
qDebug() << "ATVDemod::applySettings:"
<< " m_fltLineDuration: " << m_objConfig.m_fltLineDuration
<< " m_fltFramePerS: " << m_objConfig.m_fltFramePerS
<< " m_intNumberOfLines: " << m_intNumberOfLines
<< " m_intNumberSamplePerLine: " << m_intNumberSamplePerLine
<< " m_intNumberOfRowsToDisplay: " << m_intNumberOfRowsToDisplay;
m_intNumberSamplePerTop = (int) ((m_objConfig.m_fltTopDurationUs * m_objConfig.m_intSampleRate) / m_fltSecondToUs);
m_objRegisteredATVScreen->resizeATVScreen(m_intNumberSamplePerLine, m_intNumberOfLines);

8
plugins/channelrx/demodatv/atvdemodgui.cpp
View File

@ -205,6 +205,7 @@ bool ATVDemodGUI::handleMessage(const Message& objMessage)
int sampleRate = ((ATVDemod::MsgReportEffectiveSampleRate&)objMessage).getSampleRate();
ui->channelSampleRateText->setText(tr("%1k").arg(sampleRate/1000.0f, 0, 'f', 0));
setRFFiltersSlidersRange(sampleRate);
lineTimeUpdate();
return true;
}
@ -618,7 +619,12 @@ void ATVDemodGUI::lineTimeUpdate()
{
float nominalLineTime = getNominalLineTime(ui->nbLines->currentIndex(), ui->fps->currentIndex());
int lineTimeScaleFactor = (int) std::log10(nominalLineTime);
m_fltLineTimeMultiplier = std::pow(10.0, lineTimeScaleFactor-3);
if (m_objATVDemod->getEffectiveSampleRate() == 0) {
m_fltLineTimeMultiplier = std::pow(10.0, lineTimeScaleFactor-3);
} else {
m_fltLineTimeMultiplier = 1.0f / m_objATVDemod->getEffectiveSampleRate();
}
float lineTime = nominalLineTime + m_fltLineTimeMultiplier * ui->lineTime->value();