/////////////////////////////////////////////////////////////////////////////////// // Copyright (C) 2012 maintech GmbH, Otto-Hahn-Str. 15, 97204 Hoechberg, Germany // // written by Christian Daniel // // Copyright (C) 2015-2020 Edouard Griffiths, F4EXB // // Copyright (C) 2020 Jon Beniston, M7RCE // // // // 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 . // /////////////////////////////////////////////////////////////////////////////////// #ifndef SDRBASE_AUDIO_AUDIORESAMPLER_H_ #define SDRBASE_AUDIO_AUDIORESAMPLER_H_ #include "dsp/dsptypes.h" #include "audiofilter.h" class SDRBASE_API AudioResampler { public: AudioResampler(); ~AudioResampler(); void setDecimation(uint32_t decimation); uint32_t getDecimation() const { return m_decimation; } void setAudioFilters(int srHigh, int srLow, int fcLow, int fcHigh, float gain=1.0f); bool downSample(qint16 sampleIn, qint16& sampleOut); bool upSample(qint16 sampleIn, qint16& sampleOut); private: AudioFilter m_audioFilter; uint32_t m_decimation; uint32_t m_decimationCount; }; #endif /* SDRBASE_AUDIO_AUDIORESAMPLER_H_ */