diff options
author | Bent Bisballe Nyeng <deva@aasimon.org> | 2019-11-03 15:36:47 +0100 |
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committer | Bent Bisballe Nyeng <deva@aasimon.org> | 2019-11-03 15:36:47 +0100 |
commit | 76288efeead86fd5799d9771e50bf3222aaa8e71 (patch) | |
tree | 5a30f504041907fd60379138619a0c3aeff1839f /libs/zita-resampler/resampler.h |
Diffstat (limited to 'libs/zita-resampler/resampler.h')
-rw-r--r-- | libs/zita-resampler/resampler.h | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/libs/zita-resampler/resampler.h b/libs/zita-resampler/resampler.h new file mode 100644 index 0000000..5dbff4f --- /dev/null +++ b/libs/zita-resampler/resampler.h @@ -0,0 +1,76 @@ +// ---------------------------------------------------------------------------- +// +// Copyright (C) 2006-2012 Fons Adriaensen <fons@linuxaudio.org> +// +// This program 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. +// +// This program 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 this program. If not, see <http://www.gnu.org/licenses/>. +// +// ---------------------------------------------------------------------------- + + +#ifndef __RESAMPLER_H +#define __RESAMPLER_H + + +#include <zita-resampler/resampler-table.h> + + +class Resampler +{ +public: + + Resampler (void); + ~Resampler (void); + + int setup (unsigned int fs_inp, + unsigned int fs_out, + unsigned int nchan, + unsigned int hlen); + + int setup (unsigned int fs_inp, + unsigned int fs_out, + unsigned int nchan, + unsigned int hlen, + double frel); + + void clear (void); + int reset (void); + int nchan (void) const { return _nchan; } + int filtlen (void) const { return inpsize (); } // Deprecated + int inpsize (void) const; + double inpdist (void) const; + int process (void); + + unsigned int inp_count; + unsigned int out_count; + float *inp_data; + float *out_data; + void *inp_list; + void *out_list; + +private: + + Resampler_table *_table; + unsigned int _nchan; + unsigned int _inmax; + unsigned int _index; + unsigned int _nread; + unsigned int _nzero; + unsigned int _phase; + unsigned int _pstep; + float *_buff; + void *_dummy [8]; +}; + + +#endif |