mirror of
https://github.com/f4exb/sdrangel.git
synced 2024-11-04 07:51:14 -05:00
80 lines
2.9 KiB
C++
80 lines
2.9 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
|
|
// Copyright (C) 2015 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 //
|
|
// //
|
|
// 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/>. //
|
|
///////////////////////////////////////////////////////////////////////////////////
|
|
|
|
#ifndef INCLUDE_FILESOURCETHREAD_H
|
|
#define INCLUDE_FILESOURCETHREAD_H
|
|
|
|
#include <QThread>
|
|
#include <QMutex>
|
|
#include <QWaitCondition>
|
|
#include <QTimer>
|
|
#include <QElapsedTimer>
|
|
#include <iostream>
|
|
#include <fstream>
|
|
#include <cstdlib>
|
|
|
|
#include "dsp/inthalfbandfilter.h"
|
|
|
|
#define FILESOURCE_THROTTLE_MS 50
|
|
|
|
class SampleSinkFifo;
|
|
|
|
class FileSourceThread : public QThread {
|
|
Q_OBJECT
|
|
|
|
public:
|
|
FileSourceThread(std::ifstream *samplesStream, SampleSinkFifo* sampleFifo, QObject* parent = NULL);
|
|
~FileSourceThread();
|
|
|
|
void startWork();
|
|
void stopWork();
|
|
void setSampleRateAndSize(int samplerate, quint32 samplesize);
|
|
void setBuffers(std::size_t chunksize);
|
|
bool isRunning() const { return m_running; }
|
|
std::size_t getSamplesCount() const { return m_samplesCount; }
|
|
void setSamplesCount(int samplesCount) { m_samplesCount = samplesCount; }
|
|
|
|
void connectTimer(const QTimer& timer);
|
|
|
|
private:
|
|
QMutex m_startWaitMutex;
|
|
QWaitCondition m_startWaiter;
|
|
volatile bool m_running;
|
|
|
|
std::ifstream* m_ifstream;
|
|
quint8 *m_fileBuf;
|
|
quint8 *m_convertBuf;
|
|
std::size_t m_bufsize;
|
|
std::size_t m_chunksize;
|
|
SampleSinkFifo* m_sampleFifo;
|
|
std::size_t m_samplesCount;
|
|
|
|
int m_samplerate; //!< File I/Q stream original sample rate
|
|
quint32 m_samplesize; //!< File effective sample size in bits (I or Q). Ex: 16, 24.
|
|
quint32 m_samplebytes; //!< Number of bytes used to store a I or Q sample. Ex: 2. 4.
|
|
int m_throttlems;
|
|
QElapsedTimer m_elapsedTimer;
|
|
bool m_throttleToggle;
|
|
|
|
void run();
|
|
//void decimate1(SampleVector::iterator* it, const qint16* buf, qint32 len);
|
|
void writeToSampleFifo(const quint8* buf, qint32 nbBytes);
|
|
private slots:
|
|
void tick();
|
|
};
|
|
|
|
#endif // INCLUDE_FILESOURCETHREAD_H
|