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SampleSourceFifo refactoring and Tx code reorganization

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This commit is contained in:
f4exb
2019-11-15 01:04:24 +01:00
parent 246ff824af
commit 3b74153ec6
198 changed files with 13267 additions and 7750 deletions
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plugins/samplesink/limesdroutput/limesdroutputthread.cpp
+29 -12
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@@ -18,10 +18,12 @@
#include <errno.h>
#include <algorithm>
#include "dsp/samplesourcefifo.h"
#include "limesdroutputthread.h"
#include "limesdroutputsettings.h"
LimeSDROutputThread::LimeSDROutputThread(lms_stream_t* stream, SampleSourceFifoDB* sampleFifo, QObject* parent) :
LimeSDROutputThread::LimeSDROutputThread(lms_stream_t* stream, SampleSourceFifo* sampleFifo, QObject* parent) :
QThread(parent),
m_running(false),
m_stream(stream),
@@ -108,39 +110,54 @@ void LimeSDROutputThread::run()
// Interpolate according to specified log2 (ex: log2=4 => decim=16)
void LimeSDROutputThread::callback(qint16* buf, qint32 len)
{
SampleVector::iterator beginRead;
m_sampleFifo->readAdvance(beginRead, len/(1<<m_log2Interp));
beginRead -= len/(1<<m_log2Interp);
SampleVector& data = m_sampleFifo->getData();
unsigned int iPart1Begin, iPart1End, iPart2Begin, iPart2End;
m_sampleFifo->read(len/(1<<m_log2Interp), iPart1Begin, iPart1End, iPart2Begin, iPart2End);
if (iPart1Begin != iPart1End) {
callbackPart(buf, data, iPart1Begin, iPart1End);
}
unsigned int shift = (iPart1End - iPart1Begin)*(1<<m_log2Interp);
if (iPart2Begin != iPart2End) {
callbackPart(buf + 2*shift, data, iPart2Begin, iPart2End);
}
}
void LimeSDROutputThread::callbackPart(qint16* buf, SampleVector& data, unsigned int iBegin, unsigned int iEnd)
{
SampleVector::iterator beginRead = data.begin() + iBegin;
int len = 2*(iEnd - iBegin)*(1<<m_log2Interp);
if (m_log2Interp == 0)
{
m_interpolators.interpolate1(&beginRead, buf, len*2);
m_interpolators.interpolate1(&beginRead, buf, len);
}
else
{
switch (m_log2Interp)
{
case 1:
m_interpolators.interpolate2_cen(&beginRead, buf, len*2);
m_interpolators.interpolate2_cen(&beginRead, buf, len);
break;
case 2:
m_interpolators.interpolate4_cen(&beginRead, buf, len*2);
m_interpolators.interpolate4_cen(&beginRead, buf, len);
break;
case 3:
m_interpolators.interpolate8_cen(&beginRead, buf, len*2);
m_interpolators.interpolate8_cen(&beginRead, buf, len);
break;
case 4:
m_interpolators.interpolate16_cen(&beginRead, buf, len*2);
m_interpolators.interpolate16_cen(&beginRead, buf, len);
break;
case 5:
m_interpolators.interpolate32_cen(&beginRead, buf, len*2);
m_interpolators.interpolate32_cen(&beginRead, buf, len);
break;
case 6:
m_interpolators.interpolate64_cen(&beginRead, buf, len*2);
m_interpolators.interpolate64_cen(&beginRead, buf, len);
break;
default:
break;
}
}
}