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sdrangel/plugins/samplesource/fcd/fcdthread.h

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///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2012 maintech GmbH, Otto-Hahn-Str. 15, 97204 Hoechberg, Germany //
// written by Christian Daniel //
// //
// 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_FCDTHREAD_H
#define INCLUDE_FCDTHREAD_H
#include <QThread>
#include <QMutex>
#include <QWaitCondition>
#include "dsp/samplefifo.h"
#include "dsp/inthalfbandfilter.h"
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#include <alsa/asoundlib.h>
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#define FCDPP_RATE 192000
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#define BLOCKSIZE 8192
class FCDThread : public QThread {
Q_OBJECT
public:
FCDThread(SampleFifo* sampleFifo, QObject* parent = NULL);
~FCDThread();
void stopWork();
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bool OpenSource(const char *filename);
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void CloseSource();
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int work(int n_items);
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private:
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snd_pcm_format_t fcd_format;
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snd_pcm_t* fcd_handle;
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QMutex m_startWaitMutex;
QWaitCondition m_startWaiter;
bool m_running;
SampleVector m_convertBuffer;
SampleFifo* m_sampleFifo;
void run();
};
#endif // INCLUDE_FCDTHREAD_H