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Diffstat (limited to 'src/Resampler.h')
-rw-r--r-- | src/Resampler.h | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/src/Resampler.h b/src/Resampler.h new file mode 100644 index 0000000..b4795ca --- /dev/null +++ b/src/Resampler.h @@ -0,0 +1,72 @@ +/* + Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010, 2011 Her Majesty + the Queen in Right of Canada (Communications Research Center Canada) + */ +/* + This file is part of CRC-DADMOD. + + CRC-DADMOD 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, either version 3 of the + License, or (at your option) any later version. + + CRC-DADMOD 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 for more details. + + You should have received a copy of the GNU General Public License + along with CRC-DADMOD. If not, see <http://www.gnu.org/licenses/>. + */ + +#ifndef RESAMPLER_H +#define RESAMPLER_H + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#include "porting.h" +#include "ModCodec.h" +#include "kiss_fftsimd.h" + + +#include <sys/types.h> +#include <kiss_fft.h> +#include <tools/kiss_fftr.h> +#include <complex> +typedef std::complex<float> complexf; + + +class Resampler : public ModCodec +{ +public: + Resampler(size_t inputRate, size_t outputRate, size_t resolution = 512); + virtual ~Resampler(); + Resampler(const Resampler&); + Resampler& operator=(const Resampler&); + + + int process(Buffer* const dataIn, Buffer* dataOut); + const char* name() { return "Resampler"; } + +protected: + FFT_PLAN myFftPlan1; + FFT_PLAN myFftPlan2; + size_t L; + size_t M; + size_t K; + size_t myFftSizeIn; + size_t myFftSizeOut; + FFT_TYPE* myFftIn; + FFT_TYPE* myFftOut; + complexf* myBufferIn; + complexf* myBufferOut; + FFT_TYPE* myFront; + FFT_TYPE* myBack; + float *myWindow; + float myFactor; +}; + + +#endif // RESAMPLER_H |