2019-02-24 19:59:09 +00:00
|
|
|
///////////////////////////////////////////////////////////////////////////////////
|
|
|
|
// Copyright (C) 2019 F4EXB //
|
|
|
|
// written by Edouard Griffiths //
|
|
|
|
// //
|
|
|
|
// 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 //
|
2019-04-11 12:32:15 +00:00
|
|
|
// (at your option) any later version. //
|
2019-02-24 19:59:09 +00:00
|
|
|
// //
|
|
|
|
// 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 SDRBASE_AUDIO_AUDIORESAMPLER_H_
|
|
|
|
#define SDRBASE_AUDIO_AUDIORESAMPLER_H_
|
|
|
|
|
|
|
|
#include "dsp/dsptypes.h"
|
|
|
|
#include "audiofilter.h"
|
|
|
|
|
|
|
|
class AudioResampler
|
|
|
|
{
|
|
|
|
public:
|
|
|
|
AudioResampler();
|
|
|
|
~AudioResampler();
|
|
|
|
|
|
|
|
void setDecimation(uint32_t decimation);
|
2019-02-26 15:46:58 +00:00
|
|
|
uint32_t getDecimation() const { return m_decimation; }
|
2019-02-26 23:31:45 +00:00
|
|
|
void setAudioFilters(int srHigh, int srLow, int fcLow, int fcHigh, float gain=1.0f);
|
2019-02-24 19:59:09 +00:00
|
|
|
bool downSample(qint16 sampleIn, qint16& sampleOut);
|
2019-02-26 15:46:58 +00:00
|
|
|
bool upSample(qint16 sampleIn, qint16& sampleOut);
|
2019-02-24 19:59:09 +00:00
|
|
|
|
|
|
|
private:
|
|
|
|
AudioFilter m_audioFilter;
|
|
|
|
uint32_t m_decimation;
|
|
|
|
uint32_t m_decimationCount;
|
|
|
|
};
|
|
|
|
|
|
|
|
#endif /* SDRBASE_AUDIO_AUDIORESAMPLER_H_ */
|