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Audio Input: quarter sample rate heterodyne for mono signals

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This commit is contained in:
f4exb
2020-11-13 19:55:09 +01:00
parent 6e3add76e3
commit 9cdcfeef70
7 changed files with 70 additions and 34 deletions
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plugins/samplesource/audioinput/audioinputgui.cpp
+4 -2
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@@ -37,7 +37,8 @@ AudioInputGui::AudioInputGui(DeviceUISet *deviceUISet, QWidget* parent) :
m_deviceUISet(deviceUISet),
m_forceSettings(true),
m_settings(),
m_sampleSource(NULL)
m_sampleSource(nullptr),
m_centerFrequency(0)
{
m_sampleSource = (AudioInput*) m_deviceUISet->m_deviceAPI->getSampleSource();
@@ -130,6 +131,7 @@ void AudioInputGui::handleInputMessages()
{
DSPSignalNotification* notif = (DSPSignalNotification*) message;
m_sampleRate = notif->getSampleRate();
m_centerFrequency = notif->getCenterFrequency();
qDebug("AudioInputGui::handleInputMessages: DSPSignalNotification: SampleRate: %d", notif->getSampleRate());
updateSampleRateAndFrequency();
@@ -160,7 +162,7 @@ void AudioInputGui::updateSampleRateAndFrequency()
*/
{
m_deviceUISet->getSpectrum()->setSampleRate(m_sampleRate);
m_deviceUISet->getSpectrum()->setCenterFrequency(0);
m_deviceUISet->getSpectrum()->setCenterFrequency(m_centerFrequency);
m_deviceUISet->getSpectrum()->setSsbSpectrum(false);
m_deviceUISet->getSpectrum()->setLsbDisplay(false);
}