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Add .wav file support to File Source plugin

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This commit is contained in:
Jon Beniston 2021-05-21 20:20:34 +01:00
parent 14710596be
commit b036dbfd7d
3 changed files with 74 additions and 3 deletions
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2
plugins/channeltx/filesource/filesourcegui.cpp
View File

@ -427,7 +427,7 @@ void FileSourceGUI::on_showFileDialog_clicked(bool checked)
{
(void) checked;
QString fileName = QFileDialog::getOpenFileName(this,
tr("Open I/Q record file"), ".", tr("SDR I/Q Files (*.sdriq)"), 0, QFileDialog::DontUseNativeDialog);
tr("Open I/Q record file"), ".", tr("SDR I/Q Files (*.sdriq *.wav)"), 0, QFileDialog::DontUseNativeDialog);
if (fileName != "")
{

71
plugins/channeltx/filesource/filesourcesource.cpp
View File

@ -27,11 +27,13 @@
#endif
#include <QDebug>
#include <QRegExp>
#include "dsp/dspcommands.h"
#include "dsp/devicesamplesink.h"
#include "dsp/hbfilterchainconverter.h"
#include "dsp/filerecord.h"
#include "dsp/wavfilerecord.h"
#include "util/db.h"
FileSourceSource::FileSourceSource() :
@ -173,7 +175,74 @@ void FileSourceSource::openFileStream(const QString& fileName)
quint64 fileSize = m_ifstream.tellg();
m_samplesCount = 0;
if (fileSize > sizeof(FileRecord::Header))
if (m_settings.m_fileName.endsWith(".wav"))
{
WavFileRecord::Header header;
m_ifstream.seekg(0, std::ios_base::beg);
bool headerOK = WavFileRecord::readHeader(m_ifstream, header);
m_fileSampleRate = header.m_sampleRate;
if (header.m_auxiHeader.m_size > 0)
{
// Some WAV files written by SDR tools have auxi header
m_centerFrequency = header.m_auxi.m_centerFreq;
m_startingTimeStamp = QDateTime(QDate(
header.m_auxi.m_startTime.m_year,
header.m_auxi.m_startTime.m_month,
header.m_auxi.m_startTime.m_day
), QTime(
header.m_auxi.m_startTime.m_hour,
header.m_auxi.m_startTime.m_minute,
header.m_auxi.m_startTime.m_second,
header.m_auxi.m_startTime.m_milliseconds
)).toMSecsSinceEpoch() / 1000;
}
else
{
// Attempt to extract time and frequency from filename
QRegExp dateTimeRE("([12][0-9][0-9][0-9]).?([01][0-9]).?([0-3][0-9]).?([0-2][0-9]).?([0-5][0-9]).?([0-5][0-9])");
if (dateTimeRE.indexIn(m_settings.m_fileName) != -1)
{
m_startingTimeStamp = QDateTime(QDate(
dateTimeRE.capturedTexts()[1].toInt(),
dateTimeRE.capturedTexts()[2].toInt(),
dateTimeRE.capturedTexts()[3].toInt()
), QTime(
dateTimeRE.capturedTexts()[4].toInt(),
dateTimeRE.capturedTexts()[5].toInt(),
dateTimeRE.capturedTexts()[6].toInt()
)).toMSecsSinceEpoch() / 1000;
}
// Attempt to extract centre frequency from filename
QRegExp freqkRE("(([0-9]+)kHz)");
QRegExp freqRE("(([0-9]+)Hz)");
if (freqkRE.indexIn(m_settings.m_fileName))
{
m_centerFrequency = freqkRE.capturedTexts()[2].toLongLong() * 1000LL;
}
else if (freqRE.indexIn(m_settings.m_fileName))
{
m_centerFrequency = freqRE.capturedTexts()[2].toLongLong();
}
}
m_sampleSize = header.m_bitsPerSample;
if (headerOK && (m_fileSampleRate > 0) && (m_sampleSize > 0))
{
m_recordLengthMuSec = ((fileSize - m_ifstream.tellg()) * 1000000UL) / ((m_sampleSize == 24 ? 8 : 4) * m_fileSampleRate);
}
else
{
qCritical("FileSourceSource::openFileStream: invalid .wav file");
m_recordLengthMuSec = 0;
}
if (getMessageQueueToGUI())
{
FileSourceReport::MsgReportHeaderCRC *report = FileSourceReport::MsgReportHeaderCRC::create(headerOK);
getMessageQueueToGUI()->push(report);
}
}
else if (fileSize > sizeof(FileRecord::Header))
{
FileRecord::Header header;
m_ifstream.seekg(0,std::ios_base::beg);

4
plugins/channeltx/filesource/readme.md
View File

@ -2,7 +2,9 @@
<h2>Introduction</h2>
This plugin reads a file of I/Q samples that have been previously saved with the file record button of other sampling source devices. The file starts with a 32 byte header of all unsigned integer of various sizes containing meta data:
This plugin reads a file of I/Q samples that have been previously saved with the file record button of other sampling source devices. File formats supported include SDRangel's `.sdriq` and signed 16-bit PCM `.wav` files.
`.sqriq` files start with a 32 byte header of all unsigned integer of various sizes containing meta data:
<table>
<tr>