/thirdparty/liblastfm2/src/fingerprint/fplib/OptFFT.h
http://github.com/tomahawk-player/tomahawk · C Header · 63 lines · 28 code · 16 blank · 19 comment · 0 complexity · 5a4fc0e9926a77a18490d4786979e650 MD5 · raw file
- /*
- Copyright 2005-2009 Last.fm Ltd. <mir@last.fm>
- This file is part of liblastfm.
- liblastfm 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.
- liblastfm 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 liblastfm. If not, see <http://www.gnu.org/licenses/>.
- */
- #ifndef __OPT_FFT_H
- #define __OPT_FFT_H
- #include <fftw3.h>
- #include <vector>
- namespace fingerprint
- {
- class OptFFT
- {
- public:
- OptFFT(const size_t maxDataSize);
- ~OptFFT();
- int
- process(float* pInData, const size_t dataSize);
-
- float**
- getFrames() { return m_pFrames; }
- private:
- void applyHann(float* pInData, const size_t dataSize);
- fftwf_plan m_p;
- fftwf_complex * m_pOut;
- float* m_pIn;
- //float m_base;
- int m_numSamples;
- int m_numOutSamples;
- float** m_pFrames;
- int m_maxFrames;
- std::vector<int> m_powTable;
- };
- } // end of namespace
- #endif // OPT_FFT