| Tom Tsou | 3522229 | 2016-06-22 16:16:30 -0700 | [diff] [blame] | 1 | #ifndef _CHANNELIZER_BASE_H_ |
| 2 | #define _CHANNELIZER_BASE_H_ |
| 3 | |
| 4 | class ChannelizerBase { |
| 5 | protected: |
| 6 | ChannelizerBase(size_t m, size_t blockLen, size_t hLen); |
| 7 | ~ChannelizerBase(); |
| 8 | |
| 9 | /* Channelizer parameters */ |
| 10 | size_t m; |
| 11 | size_t hLen; |
| 12 | size_t blockLen; |
| 13 | |
| 14 | /* Channelizer filterbank sub-filters */ |
| 15 | float **subFilters; |
| 16 | |
| 17 | /* Input/Output buffers */ |
| 18 | float **hInputs, **hOutputs, **hist; |
| 19 | float *fftInput, *fftOutput; |
| 20 | |
| 21 | /* Pointer to opaque FFT instance */ |
| 22 | struct fft_hdl *fftHandle; |
| 23 | |
| 24 | /* Initializer internals */ |
| 25 | bool initFilters(); |
| 26 | bool initFFT(); |
| 27 | void releaseFilters(); |
| 28 | |
| 29 | /* Map overlapped FFT and filter I/O buffers */ |
| 30 | bool mapBuffers(); |
| 31 | |
| 32 | /* Buffer length validity checking */ |
| 33 | bool checkLen(size_t innerLen, size_t outerLen); |
| 34 | public: |
| Martin Hauke | 066fd04 | 2019-10-13 19:08:00 +0200 | [diff] [blame] | 35 | /* Initialize channelizer/synthesis filter internals */ |
| Tom Tsou | 3522229 | 2016-06-22 16:16:30 -0700 | [diff] [blame] | 36 | bool init(); |
| 37 | }; |
| 38 | |
| 39 | #endif /* _CHANNELIZER_BASE_H_ */ |