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Add instant replay

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This commit is contained in:
srcejon
2023-11-22 14:28:35 +00:00
parent cbab429395
commit 7cc9cd1bf1
41 changed files with 2270 additions and 460 deletions
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plugins/samplesource/rtlsdr/rtlsdrinput.cpp
+23 -1
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@@ -45,6 +45,7 @@
MESSAGE_CLASS_DEFINITION(RTLSDRInput::MsgConfigureRTLSDR, Message)
MESSAGE_CLASS_DEFINITION(RTLSDRInput::MsgStartStop, Message)
MESSAGE_CLASS_DEFINITION(RTLSDRInput::MsgSaveReplay, Message)
const quint64 RTLSDRInput::frequencyLowRangeMin = 0UL;
const quint64 RTLSDRInput::frequencyLowRangeMax = 275000UL;
@@ -238,7 +239,7 @@ bool RTLSDRInput::start()
if (m_running) stop();
m_rtlSDRThread = new RTLSDRThread(m_dev, &m_sampleFifo);
m_rtlSDRThread = new RTLSDRThread(m_dev, &m_sampleFifo, &m_replayBuffer);
m_rtlSDRThread->setSamplerate(m_settings.m_devSampleRate);
m_rtlSDRThread->setLog2Decimation(m_settings.m_log2Decim);
m_rtlSDRThread->setFcPos((int) m_settings.m_fcPos);
@@ -374,6 +375,12 @@ bool RTLSDRInput::handleMessage(const Message& message)
return true;
}
else if (MsgSaveReplay::match(message))
{
MsgSaveReplay& cmd = (MsgSaveReplay&) message;
m_replayBuffer.save(cmd.getFilename(), m_settings.m_devSampleRate, getCenterFrequency());
return true;
}
else
{
return false;
@@ -432,6 +439,9 @@ bool RTLSDRInput::applySettings(const RTLSDRSettings& settings, const QList<QStr
qDebug("RTLSDRInput::applySettings: sample rate set to %d", settings.m_devSampleRate);
}
if (settings.m_devSampleRate != m_settings.m_devSampleRate) {
m_replayBuffer.clear();
}
}
}
@@ -574,6 +584,18 @@ bool RTLSDRInput::applySettings(const RTLSDRSettings& settings, const QList<QStr
m_settings.applySettings(settingsKeys, settings);
}
if (settingsKeys.contains("replayLength") || settingsKeys.contains("devSampleRate") || force) {
m_replayBuffer.setSize(m_settings.m_replayLength, m_settings.m_devSampleRate);
}
if (settingsKeys.contains("replayOffset") || settingsKeys.contains("devSampleRate") || force) {
m_replayBuffer.setReadOffset(((unsigned)(m_settings.m_replayOffset * m_settings.m_devSampleRate)) * 2);
}
if (settingsKeys.contains("replayLoop") || force) {
m_replayBuffer.setLoop(m_settings.m_replayLoop);
}
if (forwardChange)
{
int sampleRate = m_settings.m_devSampleRate/(1<<m_settings.m_log2Decim);