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// -------------------------------------------------------------------------
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// Copyright (C) 2005-2007 Fons Adriaensen <fons@kokkinizita.net>
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 2 of the License, or
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// (at your option) any later version.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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// -------------------------------------------------------------------------
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//#define USE_SSE_AND_3DN
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enum { CONV_OPT_SSE = 1, CONV_OPT_3DN = 2 };
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Convdata (size_t part, size_t lmax, unsigned int opts);
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size_t part (void) const { return _part; }
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unsigned int npar (void) const { return _npar; }
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unsigned int opts (void) const { return _opts; }
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void prepare_part (unsigned int ipar, float gain, float *data, int step = 1);
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void prepare_done (void);
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int get_refc (void) const { return _refc; }
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int inc_refc (void) { return ++_refc; }
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int dec_refc (void) { return --_refc; }
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static void swap (fftwf_complex *p, size_t n);
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friend class Convolver;
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int _refc; // reference counter
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size_t _part; // partition size in frames
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unsigned int _opts; // optimization flags
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unsigned int _npar; // number of partitions
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unsigned int _nact; // number of active partitions
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float _norm; // gain normalization
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float *_buff; // input buffer
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fftwf_complex **_fftd; // transformed partitions
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fftwf_plan _plan; // fftw plan
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Convolver (size_t part, size_t size, unsigned int opts, unsigned int nip, unsigned int nop);
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float *wr_ptr (unsigned int i) const { return _ip_buff + i * _part; }
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float *rd_ptr (unsigned int i) const { return _op_buff + 2 * i * _part; }
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int set_conv (unsigned int ip, unsigned int op, Convdata *C);
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Convdata *get_conv (unsigned int ip, unsigned int op) const { return _conv [ip + _nip * op]; }
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size_t part (void) const { return _part; }
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unsigned int npar (void) const { return _npar; }
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unsigned int opts (void) const { return _opts; }
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unsigned int nip (void) const { return _nip; }
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unsigned int nop (void) const { return _nop; }
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size_t _part; // partition size in frames
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unsigned int _opts; // optimization flags
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unsigned int _npar; // number of partitions
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unsigned int _nip; // number of inputs
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unsigned int _nop; // number of outputs
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Convdata **_conv; // array of Convdata pointers
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fftwf_plan _fwd_plan; // fftw plans
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fftwf_plan _rev_plan; //
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float *_ip_buff; // input buffer
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float *_op_buff; // output buffer
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float *_oA_buff; // alternating output buffers
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fftwf_complex **_fwd_data; // circular array of input parts
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fftwf_complex *_mac_data; // multiplied data accumulator
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float *_wr_buff; // input pointer for input 0
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float *_rd_buff; // output pointer for output 0
added
removed
source/convolve.h
