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GLSpectrum: fixed SSB handling

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This commit is contained in:
f4exb 2023-07-09 00:00:51 +02:00
parent 8824bd5e44
commit 7ec955fc61
1 changed files with 7 additions and 4 deletions
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11
sdrgui/gui/glspectrumview.cpp
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@ -2706,7 +2706,7 @@ void GLSpectrumView::applyChanges()
if (m_sampleRate > 0) if (m_sampleRate > 0)
{ {
float timeScaleDiv = ((float)m_sampleRate / (float)m_timingRate) * (m_ssbSpectrum ? 2 : 1); float timeScaleDiv = ((float)m_sampleRate / (float)m_timingRate);
float halfFFTSize = m_fftSize / 2; float halfFFTSize = m_fftSize / 2;
if (halfFFTSize > m_fftOverlap) { if (halfFFTSize > m_fftOverlap) {
@ -2800,7 +2800,7 @@ void GLSpectrumView::applyChanges()
if (m_sampleRate > 0) if (m_sampleRate > 0)
{ {
float timeScaleDiv = ((float)m_sampleRate / (float)m_timingRate) * (m_ssbSpectrum ? 2 : 1); float timeScaleDiv = ((float)m_sampleRate / (float)m_timingRate);
float halfFFTSize = m_fftSize / 2; float halfFFTSize = m_fftSize / 2;
if (halfFFTSize > m_fftOverlap) { if (halfFFTSize > m_fftOverlap) {
@ -4329,7 +4329,10 @@ void GLSpectrumView::zoom(const QPointF& p, int y)
float zoomFreq = m_frequencyScale.getRangeMin() + pwx*m_frequencyScale.getRange(); float zoomFreq = m_frequencyScale.getRangeMin() + pwx*m_frequencyScale.getRange();
// Calculate current centre frequency // Calculate current centre frequency
float currentCF = (m_frequencyZoomFactor == 1) ? m_centerFrequency : ((m_frequencyZoomPos - 0.5) * m_sampleRate + m_centerFrequency); int adjSampleRate = m_ssbSpectrum ? m_sampleRate/2 : m_sampleRate;
qint64 adjCenterFrequency = m_centerFrequency + (m_ssbSpectrum ? m_sampleRate/4 : 0);
float currentCF = (m_frequencyZoomFactor == 1) ?
adjCenterFrequency : (m_frequencyZoomPos - 0.5) * adjSampleRate + adjCenterFrequency;
// Calculate difference from frequency under cursor to centre frequency // Calculate difference from frequency under cursor to centre frequency
float freqDiff = (currentCF - zoomFreq); float freqDiff = (currentCF - zoomFreq);
@ -4360,7 +4363,7 @@ void GLSpectrumView::zoom(const QPointF& p, int y)
float zoomedCF = zoomFreq + zoomedFreqDiff; float zoomedCF = zoomFreq + zoomedFreqDiff;
// Calculate zoom position which will set the desired center frequency // Calculate zoom position which will set the desired center frequency
float zoomPos = (zoomedCF - m_centerFrequency) / m_sampleRate + 0.5; float zoomPos = (zoomedCF - adjCenterFrequency) / adjSampleRate + 0.5;
zoomPos = std::max(0.0f, zoomPos); zoomPos = std::max(0.0f, zoomPos);
zoomPos = std::min(1.0f, zoomPos); zoomPos = std::min(1.0f, zoomPos);