| /external/libopus/celt/ |
| kiss_fft.h | 81 int nfft; member in struct:kiss_fft_state
116 kiss_fft_state *opus_fft_alloc_twiddles(int nfft,void * mem,size_t * lenmem, const kiss_fft_state *base);
118 kiss_fft_state *opus_fft_alloc(int nfft,void * mem,size_t * lenmem);
125 * fin should be f[0] , f[1] , ... ,f[nfft-1]
126 * fout will be F[0] , F[1] , ... ,F[nfft-1]
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| /external/eigen/unsupported/Eigen/src/FFT/ |
| ei_fftw_impl.h | 60 void fwd(complex_type * dst,complex_type * src,int nfft) {
61 if (m_plan==NULL) m_plan = fftwf_plan_dft_1d(nfft,src,dst, FFTW_FORWARD, FFTW_ESTIMATE|FFTW_PRESERVE_INPUT);
65 void inv(complex_type * dst,complex_type * src,int nfft) {
66 if (m_plan==NULL) m_plan = fftwf_plan_dft_1d(nfft,src,dst, FFTW_BACKWARD , FFTW_ESTIMATE|FFTW_PRESERVE_INPUT);
70 void fwd(complex_type * dst,scalar_type * src,int nfft) {
71 if (m_plan==NULL) m_plan = fftwf_plan_dft_r2c_1d(nfft,src,dst,FFTW_ESTIMATE|FFTW_PRESERVE_INPUT);
75 void inv(scalar_type * dst,complex_type * src,int nfft) {
77 m_plan = fftwf_plan_dft_c2r_1d(nfft,src,dst,FFTW_ESTIMATE|FFTW_PRESERVE_INPUT);
103 void fwd(complex_type * dst,complex_type * src,int nfft) {
104 if (m_plan==NULL) m_plan = fftw_plan_dft_1d(nfft,src,dst, FFTW_FORWARD, FFTW_ESTIMATE|FFTW_PRESERVE_INPUT)
192 get_plan(nfft,false,dst,src).fwd(fftw_cast(dst), fftw_cast(src),nfft ); local
199 get_plan(nfft,false,dst,src).fwd(fftw_cast(dst), fftw_cast(src) ,nfft); local
213 get_plan(nfft,true,dst,src).inv(fftw_cast(dst), fftw_cast(src),nfft ); local
220 get_plan(nfft,true,dst,src).inv(fftw_cast(dst), fftw_cast(src),nfft ); local
[all...] |
| /external/speex/libspeex/ |
| _kiss_fft_guts.h | 32 int nfft; member in struct:kiss_fft_state
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