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SDRPlayV3: implemented transverter feature. Updated documentation

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This commit is contained in:
f4exb
2022-02-06 20:30:00 +01:00
parent 7880a523a7
commit 57a5551401
17 changed files with 395 additions and 32 deletions
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plugins/samplesource/sdrplayv3/sdrplayv3thread.cpp
+100 -2
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@@ -33,7 +33,8 @@ SDRPlayV3Thread::SDRPlayV3Thread(sdrplay_api_DeviceT* dev, SampleSinkFifo* sampl
m_sampleFifo(sampleFifo),
m_samplerate(2000000),
m_log2Decim(0),
m_fcPos(0)
m_fcPos(0),
m_iqOrder(true)
{
}
@@ -149,7 +150,11 @@ void SDRPlayV3Thread::callbackHelper(short *xi, short *xq, sdrplay_api_StreamCbP
iq[i*2+1] = xq[i];
}
thread->callbackIQ(iq, numSamples*2);
if (thread->m_iqOrder) {
thread->callbackIQ(iq, numSamples*2);
} else {
thread->callbackQI(iq, numSamples*2);
}
}
}
@@ -245,3 +250,96 @@ void SDRPlayV3Thread::callbackIQ(const qint16* buf, qint32 len)
m_sampleFifo->write(m_convertBuffer.begin(), it);
}
void SDRPlayV3Thread::callbackQI(const qint16* buf, qint32 len)
{
SampleVector::iterator it = m_convertBuffer.begin();
if (m_log2Decim == 0)
{
m_decimatorsQI.decimate1(&it, buf, len);
}
else
{
if (m_fcPos == 0) // Infradyne
{
switch (m_log2Decim)
{
case 1:
m_decimatorsQI.decimate2_inf(&it, buf, len);
break;
case 2:
m_decimatorsQI.decimate4_inf(&it, buf, len);
break;
case 3:
m_decimatorsQI.decimate8_inf(&it, buf, len);
break;
case 4:
m_decimatorsQI.decimate16_inf(&it, buf, len);
break;
case 5:
m_decimatorsQI.decimate32_inf(&it, buf, len);
break;
case 6:
m_decimatorsQI.decimate64_inf(&it, buf, len);
break;
default:
break;
}
}
else if (m_fcPos == 1) // Supradyne
{
switch (m_log2Decim)
{
case 1:
m_decimatorsQI.decimate2_sup(&it, buf, len);
break;
case 2:
m_decimatorsQI.decimate4_sup(&it, buf, len);
break;
case 3:
m_decimatorsQI.decimate8_sup(&it, buf, len);
break;
case 4:
m_decimatorsQI.decimate16_sup(&it, buf, len);
break;
case 5:
m_decimatorsQI.decimate32_sup(&it, buf, len);
break;
case 6:
m_decimatorsQI.decimate64_sup(&it, buf, len);
break;
default:
break;
}
}
else // Centered
{
switch (m_log2Decim)
{
case 1:
m_decimatorsQI.decimate2_cen(&it, buf, len);
break;
case 2:
m_decimatorsQI.decimate4_cen(&it, buf, len);
break;
case 3:
m_decimatorsQI.decimate8_cen(&it, buf, len);
break;
case 4:
m_decimatorsQI.decimate16_cen(&it, buf, len);
break;
case 5:
m_decimatorsQI.decimate32_cen(&it, buf, len);
break;
case 6:
m_decimatorsQI.decimate64_cen(&it, buf, len);
break;
default:
break;
}
}
}
m_sampleFifo->write(m_convertBuffer.begin(), it);
}