kopia lustrzana https://github.com/f4exb/sdrangel
245 wiersze
8.6 KiB
C++
245 wiersze
8.6 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
|
|
// Copyright (C) 2020 Edouard Griffiths, F4EXB //
|
|
// //
|
|
// File recorder in SigMF format single channel for SI plugins //
|
|
// //
|
|
// 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 <http://www.gnu.org/licenses/>. //
|
|
///////////////////////////////////////////////////////////////////////////////////
|
|
|
|
#include <QCoreApplication>
|
|
#include <QSysInfo>
|
|
#include <QDebug>
|
|
|
|
#include "libsigmf/sigmf_core_generated.h"
|
|
#include "libsigmf/sigmf_sdrangel_generated.h"
|
|
#include "libsigmf/sigmf.h"
|
|
|
|
#include "dsp/dspcommands.h"
|
|
//#include "util/sha512.h" - SHA512 is skipped because it takes too long
|
|
|
|
#include "sigmffilerecord.h"
|
|
|
|
SigMFFileRecord::SigMFFileRecord() :
|
|
FileRecordInterface(),
|
|
m_fileName("test"),
|
|
m_sampleRate(0),
|
|
m_centerFrequency(0),
|
|
m_msShift(0),
|
|
m_recordOn(false),
|
|
m_recordStart(true),
|
|
m_sampleStart(0),
|
|
m_sampleCount(0)
|
|
{
|
|
qDebug("SigMFFileRecord::SigMFFileRecord: test");
|
|
setObjectName("SigMFFileSink");
|
|
m_metaRecord = new sigmf::SigMF<sigmf::Global<core::DescrT, sdrangel::DescrT>,
|
|
sigmf::Capture<core::DescrT, sdrangel::DescrT>,
|
|
sigmf::Annotation<core::DescrT> >();
|
|
}
|
|
|
|
SigMFFileRecord::SigMFFileRecord(const QString& fileName, const QString& hardwareId) :
|
|
FileRecordInterface(),
|
|
m_hardwareId(hardwareId),
|
|
m_fileName(fileName),
|
|
m_sampleRate(0),
|
|
m_centerFrequency(0),
|
|
m_recordOn(false),
|
|
m_recordStart(true),
|
|
m_sampleStart(0),
|
|
m_sampleCount(0)
|
|
{
|
|
qDebug("SigMFFileRecord::SigMFFileRecord: %s", qPrintable(fileName));
|
|
setObjectName("SigMFFileSink");
|
|
m_metaRecord = new sigmf::SigMF<sigmf::Global<core::DescrT, sdrangel::DescrT>,
|
|
sigmf::Capture<core::DescrT, sdrangel::DescrT>,
|
|
sigmf::Annotation<core::DescrT> >();
|
|
}
|
|
|
|
SigMFFileRecord::~SigMFFileRecord()
|
|
{
|
|
qDebug("SigMFFileRecord::~SigMFFileRecord");
|
|
|
|
stopRecording();
|
|
|
|
if (m_metaFile.is_open()) {
|
|
m_metaFile.close();
|
|
}
|
|
|
|
if (m_sampleFile.is_open()) {
|
|
m_sampleFile.close();
|
|
}
|
|
|
|
delete m_metaRecord;
|
|
}
|
|
|
|
void SigMFFileRecord::setFileName(const QString& fileName)
|
|
{
|
|
if (!m_recordOn)
|
|
{
|
|
qDebug("SigMFFileRecord::setFileName: %s", qPrintable(fileName));
|
|
|
|
if (m_metaFile.is_open()) {
|
|
m_metaFile.close();
|
|
}
|
|
|
|
if (m_sampleFile.is_open()) {
|
|
m_sampleFile.close();
|
|
}
|
|
|
|
m_fileName = fileName;
|
|
m_recordStart = true;
|
|
}
|
|
}
|
|
|
|
unsigned int SigMFFileRecord::getNbCaptures() const
|
|
{
|
|
return m_metaRecord->captures.size();
|
|
}
|
|
|
|
void SigMFFileRecord::startRecording()
|
|
{
|
|
|
|
if (m_recordStart)
|
|
{
|
|
qDebug("SigMFFileRecord::startRecording: new record %s", qPrintable(m_fileName));
|
|
clearMeta();
|
|
m_sampleStart = 0;
|
|
m_sampleFileName = m_fileName + ".sigmf-data";
|
|
m_metaFileName = m_fileName + ".sigmf-meta";
|
|
m_sampleFile.open(m_sampleFileName.toStdString().c_str(), std::ios::binary);
|
|
m_metaFile.open(m_metaFileName.toStdString().c_str(), std::ofstream::out);
|
|
makeHeader();
|
|
m_recordStart = false;
|
|
}
|
|
else
|
|
{
|
|
qDebug("SigMFFileRecord::startRecording: start new capture");
|
|
}
|
|
|
|
m_captureStartDT = QDateTime::currentDateTimeUtc().addMSecs(m_msShift);
|
|
m_recordOn = true;
|
|
m_sampleCount = 0;
|
|
}
|
|
|
|
void SigMFFileRecord::stopRecording()
|
|
{
|
|
if (m_recordOn)
|
|
{
|
|
qDebug("SigMFFileRecord::stopRecording: file previous capture");
|
|
makeCapture();
|
|
m_recordOn = false;
|
|
}
|
|
}
|
|
|
|
void SigMFFileRecord::makeHeader()
|
|
{
|
|
m_metaRecord->global.access<core::GlobalT>().author = "SDRangel";
|
|
m_metaRecord->global.access<core::GlobalT>().description = "SDRangel SigMF I/Q recording file";
|
|
m_metaRecord->global.access<core::GlobalT>().sample_rate = m_sampleRate;
|
|
m_metaRecord->global.access<core::GlobalT>().hw = m_hardwareId.toStdString();
|
|
m_metaRecord->global.access<core::GlobalT>().recorder = QString(QCoreApplication::applicationName()).toStdString();
|
|
m_metaRecord->global.access<core::GlobalT>().version = "0.0.2";
|
|
m_metaRecord->global.access<sdrangel::GlobalT>().version = QString(QCoreApplication::applicationVersion()).toStdString();
|
|
m_metaRecord->global.access<sdrangel::GlobalT>().qt_version = QT_VERSION_STR;
|
|
m_metaRecord->global.access<sdrangel::GlobalT>().rx_bits = SDR_RX_SAMP_SZ;
|
|
m_metaRecord->global.access<sdrangel::GlobalT>().arch = QString(QSysInfo::currentCpuArchitecture()).toStdString();
|
|
m_metaRecord->global.access<sdrangel::GlobalT>().os = QString(QSysInfo::prettyProductName()).toStdString();
|
|
QString endianSuffix = QSysInfo::ByteOrder == QSysInfo::LittleEndian ? "le" : "be";
|
|
int size = 8*sizeof(FixReal);
|
|
m_metaRecord->global.access<core::GlobalT>().datatype = QString("ci%1_%2").arg(size).arg(endianSuffix).toStdString();
|
|
}
|
|
|
|
void SigMFFileRecord::makeCapture()
|
|
{
|
|
if (m_sampleCount)
|
|
{
|
|
qDebug("SigMFFileRecord::makeCapture: m_sampleStart: %llu m_sampleCount: %llu", m_sampleStart, m_sampleCount);
|
|
// Flush samples to disk
|
|
m_sampleFile.flush();
|
|
// calculate SHA512 and write it to header
|
|
// m_metaRecord->global.access<core::GlobalT>().sha512 = sw::sha512::file(m_sampleFileName.toStdString()); // skip takes too long
|
|
// Add new capture
|
|
auto recording_capture = sigmf::Capture<core::DescrT, sdrangel::DescrT>();
|
|
recording_capture.get<core::DescrT>().frequency = m_centerFrequency;
|
|
recording_capture.get<core::DescrT>().sample_start = m_sampleStart;
|
|
recording_capture.get<core::DescrT>().length = m_sampleCount;
|
|
recording_capture.get<core::DescrT>().datetime = m_captureStartDT.toString("yyyy-MM-ddTHH:mm:ss.zzzZ").toStdString();
|
|
recording_capture.get<sdrangel::DescrT>().sample_rate = m_sampleRate;
|
|
recording_capture.get<sdrangel::DescrT>().tsms = m_captureStartDT.toMSecsSinceEpoch();
|
|
m_metaRecord->captures.emplace_back(recording_capture);
|
|
m_sampleStart += m_sampleCount;
|
|
// Flush meta to disk
|
|
m_metaFile.seekp(0);
|
|
std::string jsonRecord = json(*m_metaRecord).dump(2);
|
|
m_metaFile << jsonRecord;
|
|
m_metaFile.flush();
|
|
}
|
|
else
|
|
{
|
|
qDebug("SigMFFileRecord::makeCapture: skipped because of no samples");
|
|
}
|
|
}
|
|
|
|
void SigMFFileRecord::clearMeta()
|
|
{
|
|
m_metaRecord->captures.clear();
|
|
}
|
|
|
|
void SigMFFileRecord::feed(const SampleVector::const_iterator& begin, const SampleVector::const_iterator& end, bool positiveOnly)
|
|
{
|
|
(void) positiveOnly;
|
|
// if no recording is active, send the samples to /dev/null
|
|
if(!m_recordOn)
|
|
return;
|
|
|
|
if (begin < end) // if there is something to put out
|
|
{
|
|
m_sampleFile.write(reinterpret_cast<const char*>(&*(begin)), (end - begin)*sizeof(Sample));
|
|
m_sampleCount += end - begin;
|
|
}
|
|
}
|
|
|
|
void SigMFFileRecord::start()
|
|
{
|
|
}
|
|
|
|
void SigMFFileRecord::stop()
|
|
{
|
|
stopRecording();
|
|
}
|
|
|
|
bool SigMFFileRecord::handleMessage(const Message& message)
|
|
{
|
|
if (DSPSignalNotification::match(message))
|
|
{
|
|
if (m_recordOn) {
|
|
makeCapture();
|
|
m_captureStartDT = QDateTime::currentDateTimeUtc();
|
|
m_sampleCount = 0;
|
|
}
|
|
|
|
DSPSignalNotification& notif = (DSPSignalNotification&) message;
|
|
m_sampleRate = notif.getSampleRate();
|
|
m_centerFrequency = notif.getCenterFrequency();
|
|
qDebug() << "SigMFFileRecord::handleMessage: DSPSignalNotification: "
|
|
<< " m_inputSampleRate: " << m_sampleRate
|
|
<< " m_centerFrequency: " << m_centerFrequency;
|
|
|
|
return true;
|
|
}
|
|
else
|
|
{
|
|
return false;
|
|
}
|
|
} |