mirror of
https://github.com/f4exb/sdrangel.git
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299 lines
9.0 KiB
C++
299 lines
9.0 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
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// Copyright (C) 2019 Edouard Griffiths, F4EXB //
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// //
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// This program is free software; you can redistribute it and/or modify //
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// it under the terms of the GNU General Public License as published by //
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// the Free Software Foundation as version 3 of the License, or //
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// (at your option) any later version. //
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// //
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// This program is distributed in the hope that it will be useful, //
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// but WITHOUT ANY WARRANTY; without even the implied warranty of //
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
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// GNU General Public License V3 for more details. //
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// //
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// You should have received a copy of the GNU General Public License //
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// along with this program. If not, see <http://www.gnu.org/licenses/>. //
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///////////////////////////////////////////////////////////////////////////////////
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#include <algorithm>
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#include <chrono>
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#include <thread>
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#include "xtrx/devicextrx.h"
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#include "dsp/samplesourcefifo.h"
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#include "xtrxoutputthread.h"
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XTRXOutputThread::XTRXOutputThread(struct xtrx_dev *dev, unsigned int nbChannels, unsigned int uniqueChannelIndex, QObject* parent) :
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QThread(parent),
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m_running(false),
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m_dev(dev),
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m_nbChannels(nbChannels),
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m_uniqueChannelIndex(uniqueChannelIndex)
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{
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qDebug("XTRXOutputThread::XTRXOutputThread: nbChannels: %u uniqueChannelIndex: %u", nbChannels, uniqueChannelIndex);
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m_channels = new Channel[2];
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}
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XTRXOutputThread::~XTRXOutputThread()
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{
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qDebug("XTRXOutputThread::~XTRXOutputThread");
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if (m_running) {
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stopWork();
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}
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delete[] m_channels;
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}
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void XTRXOutputThread::startWork()
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{
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m_startWaitMutex.lock();
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start();
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while(!m_running) {
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m_startWaiter.wait(&m_startWaitMutex, 100);
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}
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m_startWaitMutex.unlock();
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}
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void XTRXOutputThread::stopWork()
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{
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m_running = false;
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wait();
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}
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unsigned int XTRXOutputThread::getNbFifos()
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{
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unsigned int fifoCount = 0;
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for (unsigned int i = 0; i < 2; i++)
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{
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if (m_channels[i].m_sampleFifo) {
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fifoCount++;
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}
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}
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return fifoCount;
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}
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void XTRXOutputThread::setLog2Interpolation(unsigned int channel, unsigned int log2_interp)
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{
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if (channel < 2) {
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m_channels[channel].m_log2Interp = log2_interp;
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}
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}
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unsigned int XTRXOutputThread::getLog2Interpolation(unsigned int channel) const
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{
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if (channel < 2) {
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return m_channels[channel].m_log2Interp;
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} else {
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return 0;
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}
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}
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void XTRXOutputThread::setFifo(unsigned int channel, SampleSourceFifo *sampleFifo)
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{
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if (channel < 2) {
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m_channels[channel].m_sampleFifo = sampleFifo;
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}
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}
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SampleSourceFifo *XTRXOutputThread::getFifo(unsigned int channel)
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{
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if (channel < 2) {
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return m_channels[channel].m_sampleFifo;
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} else {
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return 0;
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}
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}
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void XTRXOutputThread::run()
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{
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int res;
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m_running = true;
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m_startWaiter.wakeAll();
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unsigned int nbFifos = getNbFifos();
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if ((m_nbChannels != 0) && (nbFifos != 0))
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{
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xtrx_run_params params;
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xtrx_run_params_init(¶ms);
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params.dir = XTRX_TX;
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params.tx_repeat_buf = 0;
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params.tx.paketsize = 2*DeviceXTRX::blockSize;
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params.tx.chs = XTRX_CH_AB;
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params.tx.wfmt = XTRX_WF_16;
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params.tx.hfmt = XTRX_IQ_INT16;
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params.tx.flags |= XTRX_RSP_SWAP_IQ;
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if (m_nbChannels == 1)
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{
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qDebug("XTRXOutputThread::run: SO mode for channel #%u", m_uniqueChannelIndex);
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params.tx.flags |= XTRX_RSP_SISO_MODE;
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if (m_uniqueChannelIndex == 1) {
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params.tx.flags |= XTRX_RSP_SWAP_AB;
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}
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}
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res = xtrx_run_ex(m_dev, ¶ms);
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if (res != 0)
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{
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qCritical("XTRXOutputThread::run: could not start stream err:%d", res);
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m_running = false;
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}
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else
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{
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std::this_thread::sleep_for(std::chrono::milliseconds(50));
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qDebug("XTRXOutputThread::run: stream started");
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}
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const unsigned int elemSize = 4; // XTRX uses 4 byte I+Q samples
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std::vector<std::vector<char>> buffMem(m_nbChannels, std::vector<char>(elemSize*DeviceXTRX::blockSize));
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std::vector<void *> buffs(m_nbChannels);
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master_ts ts = 4096*1024;
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for (std::size_t i = 0; i < m_nbChannels; i++) {
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buffs[i] = buffMem[i].data();
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}
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xtrx_send_ex_info_t nfo;
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nfo.samples = DeviceXTRX::blockSize;
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nfo.buffer_count = m_nbChannels;
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nfo.buffers = (void* const*) buffs.data();
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nfo.flags = XTRX_TX_DONT_BUFFER; // | XTRX_TX_SEND_ZEROS;
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nfo.timeout = 0;
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nfo.out_txlatets = 0;
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nfo.ts = ts;
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while (m_running)
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{
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// if (m_nbChannels > 1) {
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// callbackMO((qint16*) buffs[0], (qint16*) buffs[1], nfo.samples);
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// } else {
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// callbackSO((qint16*) buffs[0], nfo.samples);
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// }
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callbackSO((qint16*) buffs[0], nfo.samples);
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res = xtrx_send_sync_ex(m_dev, &nfo);
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if (res < 0)
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{
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qCritical("XTRXOutputThread::run send error: %d", res);
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qDebug("XTRXOutputThread::run: out_samples: %u out_flags: %u", nfo.out_samples, nfo.out_flags);
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break;
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}
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if (nfo.out_flags & XTRX_TX_DISCARDED_TO) {
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qDebug("XTRXOutputThread::run: underrun");
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}
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if (nfo.out_txlatets) {
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qDebug("XTRXOutputThread::run: out_txlatets: %lu", nfo.out_txlatets);
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}
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nfo.ts += DeviceXTRX::blockSize;
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}
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res = xtrx_stop(m_dev, XTRX_TX);
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if (res != 0)
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{
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qCritical("XTRXOutputThread::run: could not stop stream");
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}
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else
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{
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std::this_thread::sleep_for(std::chrono::milliseconds(50));
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qDebug("XTRXOutputThread::run: stream stopped");
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}
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}
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else
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{
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qWarning("XTRXOutputThread::run: no channels or FIFO allocated. Aborting");
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}
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m_running = false;
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}
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void XTRXOutputThread::callbackPart(qint16* buf, SampleVector& data, unsigned int iBegin, unsigned int iEnd)
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{
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SampleVector::iterator beginRead = data.begin() + iBegin;
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int len = 2*(iEnd - iBegin)*(1<<m_channels[m_uniqueChannelIndex].m_log2Interp);
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if (m_channels[m_uniqueChannelIndex].m_log2Interp == 0)
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{
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m_channels[m_uniqueChannelIndex].m_interpolators.interpolate1(&beginRead, buf, len*2);
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}
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else
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{
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switch (m_channels[m_uniqueChannelIndex].m_log2Interp)
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{
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case 1:
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m_channels[m_uniqueChannelIndex].m_interpolators.interpolate2_cen(&beginRead, buf, len*2);
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break;
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case 2:
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m_channels[m_uniqueChannelIndex].m_interpolators.interpolate4_cen(&beginRead, buf, len*2);
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break;
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case 3:
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m_channels[m_uniqueChannelIndex].m_interpolators.interpolate8_cen(&beginRead, buf, len*2);
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break;
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case 4:
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m_channels[m_uniqueChannelIndex].m_interpolators.interpolate16_cen(&beginRead, buf, len*2);
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break;
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case 5:
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m_channels[m_uniqueChannelIndex].m_interpolators.interpolate32_cen(&beginRead, buf, len*2);
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break;
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case 6:
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m_channels[m_uniqueChannelIndex].m_interpolators.interpolate64_cen(&beginRead, buf, len*2);
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break;
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default:
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break;
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}
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}
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}
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void XTRXOutputThread::callbackSO(qint16* buf, qint32 len)
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{
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if (m_channels[m_uniqueChannelIndex].m_sampleFifo)
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{
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SampleVector& data = m_channels[m_uniqueChannelIndex].m_sampleFifo->getData();
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unsigned int iPart1Begin, iPart1End, iPart2Begin, iPart2End;
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m_channels[m_uniqueChannelIndex].m_sampleFifo->read(len/(1<<m_channels[m_uniqueChannelIndex].m_log2Interp), iPart1Begin, iPart1End, iPart2Begin, iPart2End);
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if (iPart1Begin != iPart1End) {
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callbackPart(buf, data, iPart1Begin, iPart1End);
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}
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unsigned int shift = (iPart1End - iPart1Begin)*(1<<m_channels[m_uniqueChannelIndex].m_log2Interp);
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if (iPart2Begin != iPart2End) {
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callbackPart(buf + 2*shift, data, iPart2Begin, iPart2End);
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}
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}
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else
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{
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std::fill(buf, buf+2*len, 0);
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}
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}
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void XTRXOutputThread::callbackMO(qint16* buf0, qint16* buf1, qint32 len)
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{
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unsigned int uniqueChannelIndex = m_uniqueChannelIndex;
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// channel 0
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m_uniqueChannelIndex = 0;
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callbackSO(buf0, len);
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// channel 1
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m_uniqueChannelIndex = 1;
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callbackSO(buf1, len);
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m_uniqueChannelIndex = uniqueChannelIndex;
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}
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