mirror of
https://github.com/f4exb/sdrangel.git
synced 2024-11-25 17:28:50 -05:00
739 lines
26 KiB
C++
739 lines
26 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
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// Copyright (C) 2020, 2023 Edouard Griffiths, F4EXB <f4exb06@gmail.com> //
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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 <stdio.h>
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#include <errno.h>
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#include <QDebug>
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#include "dsp/samplesinkfifo.h"
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#include "util/messagequeue.h"
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#include "sigmffiledata.h"
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#include "sigmffileconvert.h"
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#include "sigmffileinputsettings.h"
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#include "sigmffileinputworker.h"
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MESSAGE_CLASS_DEFINITION(SigMFFileInputWorker::MsgReportEOF, Message)
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MESSAGE_CLASS_DEFINITION(SigMFFileInputWorker::MsgReportTrackChange, Message)
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SigMFFileInputWorker::SigMFFileInputWorker(std::ifstream *samplesStream,
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SampleSinkFifo* sampleFifo,
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const QTimer& timer,
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MessageQueue *fileInputMessageQueue,
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QObject* parent) :
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QObject(parent),
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m_running(false),
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m_currentTrackIndex(0),
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m_ifstream(samplesStream),
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m_fileBuf(0),
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m_convertBuf(0),
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m_bufsize(0),
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m_chunksize(0),
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m_sampleFifo(sampleFifo),
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m_samplesCount(0),
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m_timer(timer),
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m_fileInputMessageQueue(fileInputMessageQueue),
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m_samplerate(48000),
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m_accelerationFactor(1),
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m_samplesize(16),
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m_samplebytes(2),
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m_throttlems(FILESOURCE_THROTTLE_MS),
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m_throttleToggle(false),
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m_sigMFConverter(nullptr)
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{
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}
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SigMFFileInputWorker::~SigMFFileInputWorker()
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{
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if (m_running) {
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stopWork();
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}
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if (m_fileBuf != 0) {
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free(m_fileBuf);
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}
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if (m_convertBuf != 0) {
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free(m_convertBuf);
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}
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}
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void SigMFFileInputWorker::startWork()
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{
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qDebug() << "SigMFFileInputWorker::startWork: ";
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if (m_ifstream->is_open())
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{
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qDebug() << "SigMFFileInputWorker::startWork: file stream open, starting...";
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m_elapsedTimer.start();
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connect(&m_timer, SIGNAL(timeout()), this, SLOT(tick()));
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m_running = true;
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}
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else
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{
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qDebug() << "SigMFFileInputWorker::startWork: file stream closed, not starting.";
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}
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}
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void SigMFFileInputWorker::stopWork()
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{
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qDebug() << "SigMFFileInputWorker::stopWork";
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disconnect(&m_timer, SIGNAL(timeout()), this, SLOT(tick()));
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m_running = false;
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}
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void SigMFFileInputWorker::setMetaInformation(const SigMFFileMetaInfo *metaInfo, const QList<SigMFFileCapture> *captures)
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{
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m_metaInfo = metaInfo;
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m_captures = captures;
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m_samplerate = m_metaInfo->m_coreSampleRate;
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m_samplesize = m_metaInfo->m_dataType.m_sampleBits;
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setConverter();
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setSampleRate();
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}
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void SigMFFileInputWorker::setTrackIndex(int trackIndex)
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{
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m_currentTrackIndex = trackIndex;
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m_samplesCount = m_captures->at(m_currentTrackIndex).m_sampleStart;
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int sampleRate = m_captures->at(m_currentTrackIndex).m_sampleRate;
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if (sampleRate != m_samplerate)
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{
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m_samplerate = sampleRate;
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setSampleRate();
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}
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MsgReportTrackChange *message = MsgReportTrackChange::create(m_currentTrackIndex);
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m_fileInputMessageQueue->push(message);
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}
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void SigMFFileInputWorker::setAccelerationFactor(int accelerationFactor)
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{
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m_accelerationFactor = accelerationFactor;
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setSampleRate();
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}
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void SigMFFileInputWorker::setSampleRate()
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{
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bool running = m_running;
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if (running) {
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stopWork();
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}
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m_samplebytes = SigMFFileInputSettings::bitsToBytes(m_samplesize);
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m_chunksize = (m_accelerationFactor * m_samplerate * 2 * m_samplebytes * m_throttlems) / 1000;
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setBuffers(m_chunksize);
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if (running) {
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startWork();
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}
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}
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void SigMFFileInputWorker::setBuffers(std::size_t chunksize)
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{
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if (chunksize > m_bufsize)
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{
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m_bufsize = chunksize;
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int nbSamples = m_bufsize/(2 * m_samplebytes);
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if (m_fileBuf == 0)
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{
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qDebug() << "FileInputThread::setBuffers: Allocate file buffer";
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m_fileBuf = (quint8*) malloc(m_bufsize);
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}
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else
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{
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qDebug() << "FileInputThread::setBuffers: Re-allocate file buffer";
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quint8 *buf = m_fileBuf;
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m_fileBuf = (quint8*) realloc((void*) m_fileBuf, m_bufsize);
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if (!m_fileBuf) free(buf);
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}
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if (m_convertBuf == 0)
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{
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qDebug() << "FileInputThread::setBuffers: Allocate conversion buffer";
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m_convertBuf = (quint8*) malloc(nbSamples*sizeof(Sample));
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}
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else
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{
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qDebug() << "FileInputThread::setBuffers: Re-allocate conversion buffer";
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quint8 *buf = m_convertBuf;
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m_convertBuf = (quint8*) realloc((void*) m_convertBuf, nbSamples*sizeof(Sample));
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if (!m_convertBuf) free(buf);
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}
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qDebug() << "FileInputThread::setBuffers: size: " << m_bufsize
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<< " #samples: " << nbSamples;
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}
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}
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void SigMFFileInputWorker::tick()
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{
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if (m_running)
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{
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qint64 throttlems = m_elapsedTimer.restart();
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if (throttlems != m_throttlems)
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{
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m_throttlems = throttlems;
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m_chunksize = 2 * m_samplebytes * ((m_samplerate * m_accelerationFactor * (m_throttlems+(m_throttleToggle ? 1 : 0))) / 1000);
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m_throttleToggle = !m_throttleToggle;
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setBuffers(m_chunksize);
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}
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// read samples directly feeding the SampleFifo (no callback)
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if (m_samplesCount + m_chunksize > m_totalSamples) {
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m_ifstream->read(reinterpret_cast<char*>(m_fileBuf), m_totalSamples - m_samplesCount);
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} else {
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m_ifstream->read(reinterpret_cast<char*>(m_fileBuf), m_chunksize);
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}
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if ((m_samplesCount + m_chunksize > m_totalSamples) || m_ifstream->eof())
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{
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writeToSampleFifo(m_fileBuf, (qint32) m_ifstream->gcount()); // take what has been read
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MsgReportEOF *message = MsgReportEOF::create();
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m_fileInputMessageQueue->push(message);
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}
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else
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{
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writeToSampleFifo(m_fileBuf, (qint32) m_chunksize);
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m_samplesCount += m_chunksize / (2 * m_samplebytes);
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if ((m_currentTrackIndex + 1 < m_captures->size())
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&& (m_samplesCount > m_captures->at(m_currentTrackIndex+1).m_sampleStart))
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{
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m_currentTrackIndex++;
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int sampleRate = m_captures->at(m_currentTrackIndex).m_sampleRate;
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if (sampleRate != m_samplerate)
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{
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m_samplerate = sampleRate;
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setSampleRate();
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}
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MsgReportTrackChange *message = MsgReportTrackChange::create(m_currentTrackIndex);
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m_fileInputMessageQueue->push(message);
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}
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}
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}
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}
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void SigMFFileInputWorker::setConverter()
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{
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if (m_metaInfo->m_dataType.m_floatingPoint) // float
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{
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if (m_metaInfo->m_dataType.m_complex)
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{
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if (m_metaInfo->m_dataType.m_bigEndian)
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{
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if (m_metaInfo->m_dataType.m_swapIQ) {
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m_sigMFConverter = new SigMFConverter<float, SDR_RX_SAMP_SZ, 32, true, true, true>();
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} else {
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m_sigMFConverter = new SigMFConverter<float, SDR_RX_SAMP_SZ, 32, true, true, false>();
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}
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}
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else
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{
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if (m_metaInfo->m_dataType.m_swapIQ) {
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m_sigMFConverter = new SigMFConverter<float, SDR_RX_SAMP_SZ, 32, true, false, true>();
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} else {
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m_sigMFConverter = new SigMFConverter<float, SDR_RX_SAMP_SZ, 32, true, false, false>();
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}
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}
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}
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else
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{
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if (m_metaInfo->m_dataType.m_bigEndian) {
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m_sigMFConverter = new SigMFConverter<float, SDR_RX_SAMP_SZ, 32, false, true, false>();
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} else {
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m_sigMFConverter = new SigMFConverter<float, SDR_RX_SAMP_SZ, 32, false, false, false>();
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}
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}
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}
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else if ((m_metaInfo->m_dataType.m_signed) && (m_samplesize == 8)) // i8
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{
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if (m_metaInfo->m_dataType.m_complex)
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{
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if (m_metaInfo->m_dataType.m_swapIQ) {
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m_sigMFConverter = new SigMFConverter<int8_t, SDR_RX_SAMP_SZ, 8, true, false, true>();
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} else {
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m_sigMFConverter = new SigMFConverter<int8_t, SDR_RX_SAMP_SZ, 8, true, false, false>();
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}
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}
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else
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{
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m_sigMFConverter = new SigMFConverter<int8_t, SDR_RX_SAMP_SZ, 8, false, false, false>();
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}
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}
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else if ((!m_metaInfo->m_dataType.m_signed) && (m_samplesize == 8)) // u8
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{
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if (m_metaInfo->m_dataType.m_complex)
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{
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if (m_metaInfo->m_dataType.m_swapIQ) {
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m_sigMFConverter = new SigMFConverter<uint8_t, SDR_RX_SAMP_SZ, 8, true, false, true>();
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} else {
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m_sigMFConverter = new SigMFConverter<uint8_t, SDR_RX_SAMP_SZ, 8, true, false, false>();
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}
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}
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else
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{
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m_sigMFConverter = new SigMFConverter<uint8_t, SDR_RX_SAMP_SZ, 8, false, false, false>();
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}
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}
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else if ((m_metaInfo->m_dataType.m_signed) && (m_samplesize == 16)) // i16
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{
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if (m_metaInfo->m_dataType.m_complex)
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{
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if (m_metaInfo->m_dataType.m_bigEndian)
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{
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if (m_metaInfo->m_dataType.m_swapIQ) {
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m_sigMFConverter = new SigMFConverter<int16_t, SDR_RX_SAMP_SZ, 16, true, true, true>();
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} else {
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m_sigMFConverter = new SigMFConverter<int16_t, SDR_RX_SAMP_SZ, 16, true, true, false>();
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}
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}
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else
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{
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if (m_metaInfo->m_dataType.m_swapIQ) {
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m_sigMFConverter = new SigMFConverter<int16_t, SDR_RX_SAMP_SZ, 16, true, false, true>();
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} else {
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m_sigMFConverter = new SigMFConverter<int16_t, SDR_RX_SAMP_SZ, 16, true, false, false>();
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}
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}
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}
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else
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{
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if (m_metaInfo->m_dataType.m_bigEndian) {
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m_sigMFConverter = new SigMFConverter<int16_t, SDR_RX_SAMP_SZ, 16, false, true, false>();
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} else {
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m_sigMFConverter = new SigMFConverter<int16_t, SDR_RX_SAMP_SZ, 16, false, false, false>();
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}
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}
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}
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else if ((!m_metaInfo->m_dataType.m_signed) && (m_samplesize == 16)) // u16
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{
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if (m_metaInfo->m_dataType.m_complex)
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{
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if (m_metaInfo->m_dataType.m_bigEndian)
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{
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if (m_metaInfo->m_dataType.m_swapIQ) {
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m_sigMFConverter = new SigMFConverter<uint16_t, SDR_RX_SAMP_SZ, 16, true, true, true>();
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} else {
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m_sigMFConverter = new SigMFConverter<uint16_t, SDR_RX_SAMP_SZ, 16, true, true, false>();
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}
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}
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else
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{
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if (m_metaInfo->m_dataType.m_swapIQ) {
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m_sigMFConverter = new SigMFConverter<uint16_t, SDR_RX_SAMP_SZ, 16, true, false, true>();
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} else {
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m_sigMFConverter = new SigMFConverter<uint16_t, SDR_RX_SAMP_SZ, 16, true, false, false>();
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}
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}
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}
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else
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{
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if (m_metaInfo->m_dataType.m_bigEndian) {
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m_sigMFConverter = new SigMFConverter<uint16_t, SDR_RX_SAMP_SZ, 16, false, true, false>();
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} else {
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m_sigMFConverter = new SigMFConverter<uint16_t, SDR_RX_SAMP_SZ, 16, false, false, false>();
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}
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}
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}
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else if ((m_metaInfo->m_dataType.m_signed) && (m_samplesize == 24)) // i24 (SDRangel special)
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{
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m_sigMFConverter = new SigMFConverter<int32_t, SDR_RX_SAMP_SZ, 24, true, false, false>();
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}
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else if ((m_metaInfo->m_dataType.m_signed) && (m_samplesize == 32)) // i32
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{
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if (m_metaInfo->m_dataType.m_complex)
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{
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if (m_metaInfo->m_dataType.m_bigEndian)
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{
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if (m_metaInfo->m_dataType.m_swapIQ) {
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m_sigMFConverter = new SigMFConverter<int32_t, SDR_RX_SAMP_SZ, 32, true, true, true>();
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} else {
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m_sigMFConverter = new SigMFConverter<int32_t, SDR_RX_SAMP_SZ, 32, true, true, false>();
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}
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}
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else
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{
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if (m_metaInfo->m_dataType.m_swapIQ) {
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m_sigMFConverter = new SigMFConverter<int32_t, SDR_RX_SAMP_SZ, 32, true, false, true>();
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} else {
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m_sigMFConverter = new SigMFConverter<int32_t, SDR_RX_SAMP_SZ, 32, true, false, false>();
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}
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}
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}
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else
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{
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if (m_metaInfo->m_dataType.m_bigEndian) {
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m_sigMFConverter = new SigMFConverter<int32_t, SDR_RX_SAMP_SZ, 32, false, true, false>();
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} else {
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m_sigMFConverter = new SigMFConverter<int32_t, SDR_RX_SAMP_SZ, 32, false, false, false>();
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}
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}
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}
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else if ((!m_metaInfo->m_dataType.m_signed) && (m_samplesize == 32)) // u32
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{
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if (m_metaInfo->m_dataType.m_complex)
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{
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if (m_metaInfo->m_dataType.m_bigEndian)
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{
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if (m_metaInfo->m_dataType.m_swapIQ) {
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m_sigMFConverter = new SigMFConverter<uint32_t, SDR_RX_SAMP_SZ, 32, true, true, true>();
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} else {
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m_sigMFConverter = new SigMFConverter<uint32_t, SDR_RX_SAMP_SZ, 32, true, true, false>();
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}
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}
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else
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{
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if (m_metaInfo->m_dataType.m_swapIQ) {
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m_sigMFConverter = new SigMFConverter<uint32_t, SDR_RX_SAMP_SZ, 32, true, false, true>();
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} else {
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m_sigMFConverter = new SigMFConverter<uint32_t, SDR_RX_SAMP_SZ, 32, true, false, false>();
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}
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}
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}
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else
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{
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if (m_metaInfo->m_dataType.m_bigEndian) {
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m_sigMFConverter = new SigMFConverter<uint32_t, SDR_RX_SAMP_SZ, 32, false, true, false>();
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} else {
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m_sigMFConverter = new SigMFConverter<uint32_t, SDR_RX_SAMP_SZ, 32, false, false, false>();
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}
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}
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}
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}
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void SigMFFileInputWorker::writeToSampleFifo(const quint8* buf, qint32 nbBytes)
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{
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if (!m_sigMFConverter)
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{
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qDebug("SigMFFileInputWorker::writeToSampleFifo: no converter - probably sample format is not supported");
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return;
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}
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#if defined(__WINDOWS__) || (BYTE_ORDER == LITTLE_ENDIAN)
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if ((m_metaInfo->m_dataType.m_complex) && (!m_metaInfo->m_dataType.m_bigEndian) && (!m_metaInfo->m_dataType.m_swapIQ))
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{
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if ((m_samplesize == 16) && (SDR_RX_SAMP_SZ == 16))
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{
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m_sampleFifo->write(buf, nbBytes);
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return;
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}
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if ((m_samplesize == 24) && (SDR_RX_SAMP_SZ == 24))
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{
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m_sampleFifo->write(buf, nbBytes);
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return;
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}
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}
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#endif
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int nbSamples = m_sigMFConverter->convert((FixReal *) m_convertBuf, buf, nbBytes);
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m_sampleFifo->write(m_convertBuf, nbSamples*sizeof(Sample));
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}
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void SigMFFileInputWorker::writeToSampleFifoBAK(const quint8* buf, qint32 nbBytes)
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{
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if (m_metaInfo->m_dataType.m_floatingPoint) // FP assumes 32 bit floats (float) always
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{
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FixReal *convertBuf = (FixReal *) m_convertBuf;
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const float *fileBuf = (float *) buf;
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int nbSamples;
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if (m_metaInfo->m_dataType.m_complex)
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{
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nbSamples = nbBytes / (2 * m_samplebytes);
|
|
for (int is = 0; is < nbSamples; is++)
|
|
{
|
|
convertBuf[2*is] = fileBuf[2*is] * SDR_RX_SCALEF;
|
|
convertBuf[2*is+1] = fileBuf[2*is+1] * SDR_RX_SCALEF;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
nbSamples = nbBytes / m_samplebytes;
|
|
for (int is = 0; is < nbSamples; is++)
|
|
{
|
|
convertBuf[2*is] = fileBuf[is] * SDR_RX_SCALEF;
|
|
convertBuf[2*is+1] = 0;
|
|
}
|
|
}
|
|
|
|
m_sampleFifo->write((quint8*) convertBuf, nbSamples*sizeof(Sample));
|
|
}
|
|
else if (m_metaInfo->m_dataType.m_signed) // signed integers
|
|
{
|
|
if (m_samplesize == 8)
|
|
{
|
|
FixReal *convertBuf = (FixReal *) m_convertBuf;
|
|
const int8_t *fileBuf = (int8_t *) buf;
|
|
int nbSamples;
|
|
|
|
if (m_metaInfo->m_dataType.m_complex)
|
|
{
|
|
nbSamples = nbBytes / (2 * m_samplebytes);
|
|
for (int is = 0; is < nbSamples; is++)
|
|
{
|
|
convertBuf[2*is] = fileBuf[2*is];
|
|
convertBuf[2*is] <<= (SDR_RX_SAMP_SZ == 16) ? 8 : 16;
|
|
convertBuf[2*is+1] = fileBuf[2*is+1];
|
|
convertBuf[2*is+1] <<= (SDR_RX_SAMP_SZ == 16) ? 8 : 16;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
nbSamples = nbBytes / m_samplebytes;
|
|
for (int is = 0; is < nbSamples; is++)
|
|
{
|
|
convertBuf[2*is] = fileBuf[is];
|
|
convertBuf[2*is] <<= (SDR_RX_SAMP_SZ == 16) ? 8 : 16;
|
|
convertBuf[2*is+1] = 0;
|
|
}
|
|
}
|
|
|
|
m_sampleFifo->write((quint8*) convertBuf, nbSamples*sizeof(Sample));
|
|
}
|
|
else if (m_samplesize == 16)
|
|
{
|
|
if (SDR_RX_SAMP_SZ == 16)
|
|
{
|
|
if (m_metaInfo->m_dataType.m_complex)
|
|
{
|
|
m_sampleFifo->write(buf, nbBytes);
|
|
}
|
|
else
|
|
{
|
|
FixReal *convertBuf = (FixReal *) m_convertBuf;
|
|
const int16_t *fileBuf = (int16_t *) buf;
|
|
int nbSamples = nbBytes / m_samplebytes;
|
|
|
|
for (int is = 0; is < nbSamples; is++)
|
|
{
|
|
convertBuf[2*is] = fileBuf[2*is];
|
|
convertBuf[2*is+1] = 0;
|
|
}
|
|
|
|
m_sampleFifo->write((quint8*) convertBuf, nbSamples*sizeof(Sample));
|
|
}
|
|
}
|
|
else if (SDR_RX_SAMP_SZ == 24)
|
|
{
|
|
FixReal *convertBuf = (FixReal *) m_convertBuf;
|
|
const int16_t *fileBuf = (int16_t *) buf;
|
|
int nbSamples;
|
|
|
|
if (m_metaInfo->m_dataType.m_complex)
|
|
{
|
|
nbSamples = nbBytes / (2 * m_samplebytes);
|
|
for (int is = 0; is < nbSamples; is++)
|
|
{
|
|
convertBuf[2*is] = fileBuf[2*is] << 8;
|
|
convertBuf[2*is+1] = fileBuf[2*is+1] << 8;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
nbSamples = nbBytes / m_samplebytes;
|
|
for (int is = 0; is < nbSamples; is++)
|
|
{
|
|
convertBuf[2*is] = fileBuf[is] << 8;
|
|
convertBuf[2*is+1] = 0;
|
|
}
|
|
}
|
|
|
|
m_sampleFifo->write((quint8*) convertBuf, nbSamples*sizeof(Sample));
|
|
}
|
|
}
|
|
else if (m_samplesize == 24)
|
|
{
|
|
if (SDR_RX_SAMP_SZ == 24)
|
|
{
|
|
if (m_metaInfo->m_dataType.m_complex)
|
|
{
|
|
m_sampleFifo->write(buf, nbBytes);
|
|
}
|
|
else
|
|
{
|
|
FixReal *convertBuf = (FixReal *) m_convertBuf;
|
|
const int32_t *fileBuf = (int32_t *) buf;
|
|
int nbSamples = nbBytes / m_samplebytes;
|
|
|
|
for (int is = 0; is < nbSamples; is++)
|
|
{
|
|
convertBuf[2*is] = fileBuf[2*is];
|
|
convertBuf[2*is+1] = 0;
|
|
}
|
|
|
|
m_sampleFifo->write((quint8*) convertBuf, nbSamples*sizeof(Sample));
|
|
}
|
|
}
|
|
else if (SDR_RX_SAMP_SZ == 16)
|
|
{
|
|
FixReal *convertBuf = (FixReal *) m_convertBuf;
|
|
const int32_t *fileBuf = (int32_t *) buf;
|
|
int nbSamples;
|
|
|
|
if (m_metaInfo->m_dataType.m_complex)
|
|
{
|
|
nbSamples = nbBytes / (2 * m_samplebytes);
|
|
for (int is = 0; is < nbSamples; is++)
|
|
{
|
|
convertBuf[2*is] = fileBuf[2*is] >> 8;
|
|
convertBuf[2*is+1] = fileBuf[2*is+1] >> 8;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
nbSamples = nbBytes / m_samplebytes;
|
|
for (int is = 0; is < nbSamples; is++)
|
|
{
|
|
convertBuf[2*is] = fileBuf[is] >> 8;
|
|
convertBuf[2*is+1] = 0;
|
|
}
|
|
}
|
|
|
|
m_sampleFifo->write((quint8*) convertBuf, nbSamples*sizeof(Sample));
|
|
}
|
|
}
|
|
if (m_samplesize == 32)
|
|
{
|
|
FixReal *convertBuf = (FixReal *) m_convertBuf;
|
|
const int32_t *fileBuf = (int32_t *) buf;
|
|
int nbSamples;
|
|
|
|
if (m_metaInfo->m_dataType.m_complex)
|
|
{
|
|
nbSamples = nbBytes / (2 * m_samplebytes);
|
|
for (int is = 0; is < nbSamples; is++)
|
|
{
|
|
convertBuf[2*is] = fileBuf[2*is] >> ((SDR_RX_SAMP_SZ == 24) ? 8 : 16);
|
|
convertBuf[2*is+1] = fileBuf[2*is+1] >> ((SDR_RX_SAMP_SZ == 24) ? 8 : 16);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
nbSamples = nbBytes / m_samplebytes;
|
|
for (int is = 0; is < nbSamples; is++)
|
|
{
|
|
convertBuf[2*is] = fileBuf[is] >> ((SDR_RX_SAMP_SZ == 24) ? 8 : 16);
|
|
convertBuf[2*is+1] = 0;
|
|
}
|
|
}
|
|
|
|
m_sampleFifo->write((quint8*) convertBuf, nbSamples*sizeof(Sample));
|
|
}
|
|
}
|
|
else // unsigned integers
|
|
{
|
|
if (m_samplesize == 8)
|
|
{
|
|
FixReal *convertBuf = (FixReal *) m_convertBuf;
|
|
const uint8_t *fileBuf = (uint8_t *) buf;
|
|
int nbSamples;
|
|
|
|
if (m_metaInfo->m_dataType.m_complex)
|
|
{
|
|
nbSamples = nbBytes / (2 * m_samplebytes);
|
|
for (int is = 0; is < nbSamples; is++)
|
|
{
|
|
convertBuf[2*is] = fileBuf[2*is] - 128;
|
|
convertBuf[2*is] <<= (SDR_RX_SAMP_SZ == 16) ? 8 : 16;
|
|
convertBuf[2*is+1] = fileBuf[2*is+1] - 128;
|
|
convertBuf[2*is+1] <<= (SDR_RX_SAMP_SZ == 16) ? 8 : 16;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
nbSamples = nbBytes / m_samplebytes;
|
|
for (int is = 0; is < nbSamples; is++)
|
|
{
|
|
convertBuf[2*is] = fileBuf[is] - 128;
|
|
convertBuf[2*is] <<= (SDR_RX_SAMP_SZ == 16) ? 8 : 16;
|
|
convertBuf[2*is+1] = 0;
|
|
}
|
|
}
|
|
|
|
m_sampleFifo->write((quint8*) convertBuf, nbSamples*sizeof(Sample));
|
|
}
|
|
else if (m_samplesize == 16)
|
|
{
|
|
FixReal *convertBuf = (FixReal *) m_convertBuf;
|
|
const uint16_t *fileBuf = (uint16_t *) buf;
|
|
int nbSamples;
|
|
|
|
if (m_metaInfo->m_dataType.m_complex)
|
|
{
|
|
nbSamples = nbBytes / (2 * m_samplebytes);
|
|
for (int is = 0; is < nbSamples; is++)
|
|
{
|
|
convertBuf[2*is] = fileBuf[2*is] - 32768;
|
|
convertBuf[2*is] <<= (SDR_RX_SAMP_SZ == 16) ? 0 : 8;
|
|
convertBuf[2*is+1] = fileBuf[2*is+1] - 32768;
|
|
convertBuf[2*is+1] <<= (SDR_RX_SAMP_SZ == 16) ? 0 : 8;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
nbSamples = nbBytes / m_samplebytes;
|
|
for (int is = 0; is < nbSamples; is++)
|
|
{
|
|
convertBuf[2*is] = fileBuf[is] - 32768;
|
|
convertBuf[2*is] <<= (SDR_RX_SAMP_SZ == 16) ? 0 : 8;
|
|
convertBuf[2*is+1] = 0;
|
|
}
|
|
}
|
|
|
|
m_sampleFifo->write((quint8*) convertBuf, nbSamples*sizeof(Sample));
|
|
}
|
|
else if (m_samplesize == 32)
|
|
{
|
|
FixReal *convertBuf = (FixReal *) m_convertBuf;
|
|
const uint32_t *fileBuf = (uint32_t *) buf;
|
|
int nbSamples;
|
|
|
|
if (m_metaInfo->m_dataType.m_complex)
|
|
{
|
|
nbSamples = nbBytes / (2 * m_samplebytes);
|
|
for (int is = 0; is < nbSamples; is++)
|
|
{
|
|
convertBuf[2*is] = (fileBuf[2*is] >> ((SDR_RX_SAMP_SZ == 24) ? 8 : 16))
|
|
- ((SDR_RX_SAMP_SZ == 24) ? (1<<23) : (1<<15));
|
|
convertBuf[2*is+1] = (fileBuf[2*is+1] >> ((SDR_RX_SAMP_SZ == 24) ? 8 : 16))
|
|
- ((SDR_RX_SAMP_SZ == 24) ? (1<<23) : (1<<15));;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
nbSamples = nbBytes / m_samplebytes;
|
|
for (int is = 0; is < nbSamples; is++)
|
|
{
|
|
convertBuf[2*is] = (fileBuf[is] >> ((SDR_RX_SAMP_SZ == 24) ? 8 : 16))
|
|
- ((SDR_RX_SAMP_SZ == 24) ? (1<<23) : (1<<15));
|
|
convertBuf[2*is+1] = 0;
|
|
}
|
|
}
|
|
|
|
m_sampleFifo->write((quint8*) convertBuf, nbSamples*sizeof(Sample));
|
|
}
|
|
}
|
|
}
|