2014-11-29 13:09:35 -05:00
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///////////////////////////////////////////////////////////////////////////////////
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// Copyright (C) 2012 maintech GmbH, Otto-Hahn-Str. 15, 97204 Hoechberg, Germany //
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// written by Christian Daniel //
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// //
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// This program is free software; you can redistribute it and/or modify //
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// it under the terms of the GNU General Public License as published by //
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// the Free Software Foundation as version 3 of the License, or //
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// //
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// This program is distributed in the hope that it will be useful, //
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// but WITHOUT ANY WARRANTY; without even the implied warranty of //
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
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// GNU General Public License V3 for more details. //
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// //
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// You should have received a copy of the GNU General Public License //
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// along with this program. If not, see <http://www.gnu.org/licenses/>. //
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///////////////////////////////////////////////////////////////////////////////////
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#ifndef INCLUDE_FCDTHREAD_H
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#define INCLUDE_FCDTHREAD_H
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#include <QThread>
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#include <QMutex>
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#include <QWaitCondition>
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#include "dsp/samplefifo.h"
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#include "dsp/inthalfbandfilter.h"
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2014-11-30 16:59:06 -05:00
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#include <alsa/asoundlib.h>
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2014-11-29 13:09:35 -05:00
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2014-11-30 16:59:06 -05:00
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#define FCDPP_RATE 192000
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2014-11-29 13:09:35 -05:00
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#define BLOCKSIZE 8192
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class FCDThread : public QThread {
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Q_OBJECT
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public:
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FCDThread(SampleFifo* sampleFifo, QObject* parent = NULL);
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~FCDThread();
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void stopWork();
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2014-11-30 16:59:06 -05:00
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bool OpenSource(const char *filename);
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2014-11-29 13:09:35 -05:00
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void CloseSource();
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void set_center_freq(double freq);
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2014-12-01 11:56:27 -05:00
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int work(int n_items);
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2014-11-29 13:09:35 -05:00
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private:
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2014-11-30 16:59:06 -05:00
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snd_pcm_format_t fcd_format;
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snd_pcm_t* fcd_handle = NULL;
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2014-11-29 13:09:35 -05:00
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QMutex m_startWaitMutex;
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QWaitCondition m_startWaiter;
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bool m_running;
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SampleVector m_convertBuffer;
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SampleFifo* m_sampleFifo;
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void run();
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};
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#endif // INCLUDE_FCDTHREAD_H
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