mirror of
https://github.com/f4exb/sdrangel.git
synced 2025-11-03 13:11:20 -05:00
108 lines
3.7 KiB
C++
108 lines
3.7 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
|
|
// Copyright (C) 2012 maintech GmbH, Otto-Hahn-Str. 15, 97204 Hoechberg, Germany //
|
|
// written by Christian Daniel //
|
|
// Copyright (C) 2014 John Greb <hexameron@spam.no> //
|
|
// Copyright (C) 2015-2016, 2018-2020 Edouard Griffiths, F4EXB <f4exb06@gmail.com> //
|
|
// Copyright (C) 2023 Jon Beniston, M7RCE <jon@beniston.com> //
|
|
// //
|
|
// 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/>. //
|
|
///////////////////////////////////////////////////////////////////////////////////
|
|
|
|
#ifndef INCLUDE_FILEINPUTWORKER_H
|
|
#define INCLUDE_FILEINPUTWORKER_H
|
|
|
|
#include <QTimer>
|
|
#include <QElapsedTimer>
|
|
#include <iostream>
|
|
#include <fstream>
|
|
#include <cstdlib>
|
|
|
|
#include "util/message.h"
|
|
|
|
#define FILESOURCE_THROTTLE_MS 50
|
|
|
|
class SampleSinkFifo;
|
|
class MessageQueue;
|
|
|
|
class FileInputWorker : public QObject {
|
|
Q_OBJECT
|
|
|
|
public:
|
|
class MsgReportEOF : public Message {
|
|
MESSAGE_CLASS_DECLARATION
|
|
|
|
public:
|
|
static MsgReportEOF* create() {
|
|
return new MsgReportEOF();
|
|
}
|
|
|
|
private:
|
|
MsgReportEOF() :
|
|
Message()
|
|
{ }
|
|
};
|
|
|
|
FileInputWorker(
|
|
#ifdef ANDROID
|
|
QFile *samplesStream,
|
|
#else
|
|
std::ifstream *samplesStream,
|
|
#endif
|
|
SampleSinkFifo* sampleFifo,
|
|
const QTimer& timer,
|
|
MessageQueue *fileInputMessageQueue,
|
|
QObject* parent = NULL);
|
|
~FileInputWorker();
|
|
|
|
void startWork();
|
|
void stopWork();
|
|
void setSampleRateAndSize(int samplerate, quint32 samplesize);
|
|
void setBuffers(std::size_t chunksize);
|
|
bool isRunning() const { return m_running; }
|
|
quint64 getSamplesCount() const { return m_samplesCount; }
|
|
void setSamplesCount(quint64 samplesCount) { m_samplesCount = samplesCount; }
|
|
|
|
private:
|
|
volatile bool m_running;
|
|
|
|
#ifdef ANDROID
|
|
QFile *m_ifstream;
|
|
#else
|
|
std::ifstream* m_ifstream;
|
|
#endif
|
|
quint8 *m_fileBuf;
|
|
quint8 *m_convertBuf;
|
|
std::size_t m_bufsize;
|
|
qint64 m_chunksize;
|
|
SampleSinkFifo* m_sampleFifo;
|
|
quint64 m_samplesCount;
|
|
const QTimer& m_timer;
|
|
MessageQueue *m_fileInputMessageQueue;
|
|
|
|
int m_samplerate; //!< File I/Q stream original sample rate
|
|
quint64 m_samplesize; //!< File effective sample size in bits (I or Q). Ex: 16, 24.
|
|
quint64 m_samplebytes; //!< Number of bytes used to store a I or Q sample. Ex: 2. 4.
|
|
qint64 m_throttlems;
|
|
QElapsedTimer m_elapsedTimer;
|
|
bool m_throttleToggle;
|
|
|
|
//void decimate1(SampleVector::iterator* it, const qint16* buf, qint32 len);
|
|
void writeToSampleFifo(const quint8* buf, qint32 nbBytes);
|
|
|
|
private slots:
|
|
void tick();
|
|
};
|
|
|
|
#endif // INCLUDE_FILEINPUTWORKER_H
|