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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/airspyhf/airspyhfworker.cpp
+112 -65
View File
@@ -24,11 +24,12 @@
#include "dsp/samplesinkfifo.h"
#include "airspyhfworker.h"
AirspyHFWorker::AirspyHFWorker(airspyhf_device_t* dev, SampleSinkFifo* sampleFifo, QObject* parent) :
AirspyHFWorker::AirspyHFWorker(airspyhf_device_t* dev, SampleSinkFifo* sampleFifo, ReplayBuffer<float> *replayBuffer, QObject* parent) :
QObject(parent),
m_dev(dev),
m_convertBuffer(AIRSPYHF_BLOCKSIZE),
m_sampleFifo(sampleFifo),
m_replayBuffer(replayBuffer),
m_samplerate(10),
m_log2Decim(0),
m_iqOrder(true)
@@ -74,83 +75,129 @@ void AirspyHFWorker::setLog2Decimation(unsigned int log2_decim)
}
// Decimate according to specified log2 (ex: log2=4 => decim=16)
void AirspyHFWorker::callbackIQ(const float* buf, qint32 len)
void AirspyHFWorker::callbackIQ(const float* inBuf, qint32 len)
{
SampleVector::iterator it = m_convertBuffer.begin();
switch (m_log2Decim)
{
case 0:
m_decimatorsIQ.decimate1(&it, buf, len);
break;
case 1:
m_decimatorsIQ.decimate2_cen(&it, buf, len);
break;
case 2:
m_decimatorsIQ.decimate4_cen(&it, buf, len);
break;
case 3:
m_decimatorsIQ.decimate8_cen(&it, buf, len);
break;
case 4:
m_decimatorsIQ.decimate16_cen(&it, buf, len);
break;
case 5:
m_decimatorsIQ.decimate32_cen(&it, buf, len);
break;
case 6:
m_decimatorsIQ.decimate64_cen(&it, buf, len);
break;
case 7:
m_decimatorsIQ.decimate128_cen(&it, buf, len);
break;
case 8:
m_decimatorsIQ.decimate256_cen(&it, buf, len);
break;
default:
break;
// Save data to replay buffer
m_replayBuffer->lock();
bool replayEnabled = m_replayBuffer->getSize() > 0;
if (replayEnabled) {
m_replayBuffer->write(inBuf, len);
}
const float* buf = inBuf;
qint32 remaining = len;
while (remaining > 0)
{
// Choose between live data or replayed data
if (replayEnabled && m_replayBuffer->useReplay()) {
len = m_replayBuffer->read(remaining, buf);
} else {
len = remaining;
}
remaining -= len;
switch (m_log2Decim)
{
case 0:
m_decimatorsIQ.decimate1(&it, buf, len);
break;
case 1:
m_decimatorsIQ.decimate2_cen(&it, buf, len);
break;
case 2:
m_decimatorsIQ.decimate4_cen(&it, buf, len);
break;
case 3:
m_decimatorsIQ.decimate8_cen(&it, buf, len);
break;
case 4:
m_decimatorsIQ.decimate16_cen(&it, buf, len);
break;
case 5:
m_decimatorsIQ.decimate32_cen(&it, buf, len);
break;
case 6:
m_decimatorsIQ.decimate64_cen(&it, buf, len);
break;
case 7:
m_decimatorsIQ.decimate128_cen(&it, buf, len);
break;
case 8:
m_decimatorsIQ.decimate256_cen(&it, buf, len);
break;
default:
break;
}
}
m_replayBuffer->unlock();
m_sampleFifo->write(m_convertBuffer.begin(), it);
}
void AirspyHFWorker::callbackQI(const float* buf, qint32 len)
void AirspyHFWorker::callbackQI(const float* inBuf, qint32 len)
{
SampleVector::iterator it = m_convertBuffer.begin();
switch (m_log2Decim)
{
case 0:
m_decimatorsQI.decimate1(&it, buf, len);
break;
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;
case 7:
m_decimatorsQI.decimate128_cen(&it, buf, len);
break;
case 8:
m_decimatorsQI.decimate256_cen(&it, buf, len);
break;
default:
break;
// Save data to replay buffer
m_replayBuffer->lock();
bool replayEnabled = m_replayBuffer->getSize() > 0;
if (replayEnabled) {
m_replayBuffer->write(inBuf, len);
}
const float* buf = inBuf;
qint32 remaining = len;
while (remaining > 0)
{
// Choose between live data or replayed data
if (replayEnabled && m_replayBuffer->useReplay()) {
len = m_replayBuffer->read(remaining, buf);
} else {
len = remaining;
}
remaining -= len;
switch (m_log2Decim)
{
case 0:
m_decimatorsQI.decimate1(&it, buf, len);
break;
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;
case 7:
m_decimatorsQI.decimate128_cen(&it, buf, len);
break;
case 8:
m_decimatorsQI.decimate256_cen(&it, buf, len);
break;
default:
break;
}
}
m_replayBuffer->unlock();
m_sampleFifo->write(m_convertBuffer.begin(), it);
}