///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2019 Edouard Griffiths, F4EXB //
// //
// This program is free software; you can redistribute it and/or modify //
// it under the terms of the GNU General Public License as published by //
// the Free Software Foundation as version 3 of the License, or //
// (at your option) any later version. //
// //
// This program is distributed in the hope that it will be useful, //
// but WITHOUT ANY WARRANTY; without even the implied warranty of //
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
// GNU General Public License V3 for more details. //
// //
// You should have received a copy of the GNU General Public License //
// along with this program. If not, see . //
///////////////////////////////////////////////////////////////////////////////////
#include
#include
#include
#include
#include
#include "dsp/samplesourcefifo.h"
#include "dsp/basebandsamplesink.h"
#include "testsinkthread.h"
TestSinkThread::TestSinkThread(SampleSourceFifo* sampleFifo, QObject* parent) :
QThread(parent),
m_running(false),
m_bufsize(0),
m_samplesChunkSize(0),
m_sampleFifo(sampleFifo),
m_samplesCount(0),
m_samplerate(0),
m_log2Interpolation(0),
m_throttlems(TESTSINK_THROTTLE_MS),
m_maxThrottlems(50),
m_throttleToggle(false),
m_buf(0)
{
}
TestSinkThread::~TestSinkThread()
{
if (m_running) {
stopWork();
}
if (m_buf) delete[] m_buf;
}
void TestSinkThread::startWork()
{
qDebug() << "TestSinkThread::startWork: ";
m_maxThrottlems = 0;
m_startWaitMutex.lock();
m_elapsedTimer.start();
start();
while(!m_running) {
m_startWaiter.wait(&m_startWaitMutex, 100);
}
m_startWaitMutex.unlock();
}
void TestSinkThread::stopWork()
{
qDebug() << "TestSinkThread::stopWork";
m_running = false;
wait();
}
void TestSinkThread::setSamplerate(int samplerate)
{
if (samplerate != m_samplerate)
{
qDebug() << "TestSinkThread::setSamplerate:"
<< " new:" << samplerate
<< " old:" << m_samplerate;
bool wasRunning = false;
if (m_running)
{
stopWork();
wasRunning = true;
}
// resize sample FIFO
if (m_sampleFifo) {
m_sampleFifo->resize(samplerate); // 1s buffer
}
// resize output buffer
if (m_buf) delete[] m_buf;
m_buf = new int16_t[samplerate*(1< 6)) {
return;
}
if (log2Interpolation != m_log2Interpolation)
{
qDebug() << "TestSinkThread::setLog2Interpolation:"
<< " new:" << log2Interpolation
<< " old:" << m_log2Interpolation;
bool wasRunning = false;
if (m_running)
{
stopWork();
wasRunning = true;
}
// resize output buffer
if (m_buf) delete[] m_buf;
m_buf = new int16_t[m_samplerate*(1<readAdvance(readUntil, m_samplesChunkSize);
SampleVector::iterator beginRead = readUntil - m_samplesChunkSize;
m_samplesCount += m_samplesChunkSize;
int chunkSize = std::min((int) m_samplesChunkSize, m_samplerate);
if (m_log2Interpolation == 0)
{
m_interpolators.interpolate1(&beginRead, m_buf, 2*chunkSize);
feedSpectrum(m_buf, 2*chunkSize);
//m_ofstream->write(reinterpret_cast(&(*beginRead)), m_samplesChunkSize*sizeof(Sample));
}
else
{
switch (m_log2Interpolation)
{
case 1:
m_interpolators.interpolate2_cen(&beginRead, m_buf, chunkSize*(1<write(reinterpret_cast(m_buf), m_samplesChunkSize*(1< Sample {
return Sample{s.m_real, s.m_imag};
}
);
m_spectrumSink->feed(m_samplesVector.m_vector.begin(), m_samplesVector.m_vector.begin() + (bufSize/2), false);
}